Air Pollution in Mexico City: Real-time Air Quality Index and smog alert.

Current data from stations: Camarones Merced Pedregal Santa Fe Tlahuac UAM Iztapalapa UAM Xochimilco

Locations: Mexico City » Cuauhtémoc Borough » Hogar y Seguridad » Jardines del Pedregal » San Juan de Aragón Segunda Sección » Colonia del Parque » Buenos Aires » Doctores » Campamento Dos de Octubre » San José de Los Cedros » Gavilán I II III y IV » Tetlalpan » La Concepción » San Antonio » Nativitas »

Pollution and air quality forecast for Mexico City. Today is Friday, May 2, 2025. The following air pollution values have been recorded for Mexico City:

particulate matter (PM2.5) dust - 17 (Moderate)
carbon monoxide (CO) - 0 (Good)
particulate matter (PM10) suspended dust - 34 (Moderate)
ozone (O3) - 0 (Good)
nitrogen dioxide (NO2) - 0 (Good)
sulfur dioxide (SO2) - 0 (Good)

Real-time Air Quality Index (AQI) for Mexico City, Monday, August 28, 2023: 2.

AQI 2 Moderate

What is the air quality in Mexico City today? Is the air polluted in Mexico City?. Is there smog?

Today (Monday, August 28, 2023) air quality is moderate in Mexico City. Some pollutants in Mexico City may slightly affect very few hypersensitive individuals. Air pollutants in Mexico City may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Mexico City? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 17 (Moderate) For comparison, the highest level of PM2.5 in Mexico City in the last 7 days was: 29 (Friday, September 1, 2023) and the lowest: 12 (Wednesday, August 30, 2023). The highest PM2.5 values were recorded: 37 (May 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: September (12).

How high is the CO level? (carbon monoxide (CO))
0 (Good)

What is the level of PM10 today in Mexico City? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Mexico City is: 34 (Moderate) The highest PM10 values usually occur in month: 67 (December 2017). The lowest value of particulate matter PM10 pollution in Mexico City is usually recorded in: October (24).

How is the O3 level today in Mexico City? (ozone (O3))
0 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
0 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
0 (Good)

Current data Monday, August 28, 2023, 1:00 AM

PM2,5 17 (Moderate)

CO 0 (Good)

PM10 34 (Moderate)

O3 0 (Good)

NO2 0 (Good)

SO2 0 (Good)

0 (Good)

Data on air pollution from recent days in Mexico City

index	2023-09-04	2023-09-03	2023-09-02	2023-09-01	2023-08-31	2023-08-30	2023-08-29	2023-08-28	2023-07-20	2023-07-19
no2	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	- Good	- Good
pm25	13 Moderate	17 Moderate	18 Moderate	29 Moderate	25 Moderate	12 Good	15 Moderate	12 Good	- Good	- Good
co	1 Good	0 Good	0 Good	1 Good	0 Good	0 Good	1 Good	0 Good	- Good	- Good
so2	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	- Good	- Good
pm10	17 Good	26 Moderate	31 Moderate	36 Moderate	40 Moderate	30 Moderate	29 Moderate	22 Moderate	47 Moderate	52 Unhealthy for Sensitive Groups
o3	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	- Good	- Good
nox	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	- Good	- Good
no	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	- Good	- Good

data source »

pollution pm25 hikersbay.com — Air pollution in Mexico City from July 2019 to May 2020

index	2020-05	2020-04	2019-10	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03	2019-09	2019-08	2019-07
co:ppm	0.51 (Good)	0.56 (Good)	0.61 (Good)	0.57 (Good)	0.7 (Good)	0.65 (Good)	0.81 (Good)	0.86 (Good)	0.6 (Good)	0.64 (Good)	0.61 (Good)	0.53 (Good)	0.63 (Good)	0.64 (Good)	0.64 (Good)	0.6 (Good)	0.69 (Good)	0.91 (Good)	0.82 (Good)	0.57 (Good)	0.62 (Good)	0.59 (Good)	0.69 (Good)	0.56 (Good)	0.75 (Good)	0.72 (Good)	0.74 (Good)	0.83 (Good)	1 (Good)	0.82 (Good)	0.82 (Good)	0.59 (Good)	0.62 (Good)	0.66 (Good)	0.63 (Good)	0.7 (Good)	0.87 (Good)	0.79 (Good)	0.59 (Good)	0.43 (Good)	0.56 (Good)	0.61 (Good)
no2:ppm	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.02 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.02 (Good)	0.02 (Good)
o3:ppm	0.05 (Good)	0.05 (Good)	0.02 (Good)	0.03 (Good)	0.05 (Good)	0.07 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.04 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.02 (Good)	0.03 (Good)	0.02 (Good)	0.04 (Good)	0.05 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.03 (Good)	0.02 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.04 (Good)	0.05 (Good)	0.04 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)	0.03 (Good)
pm10	30 (Moderate)	43 (Moderate)	24 (Moderate)	28 (Moderate)	60 (Unhealthy for Sensitive Groups)	51 (Unhealthy for Sensitive Groups)	50 (Moderate)	42 (Moderate)	27 (Moderate)	33 (Moderate)	28 (Moderate)	39 (Moderate)	30 (Moderate)	36 (Moderate)	47 (Moderate)	55 (Unhealthy for Sensitive Groups)	49 (Moderate)	67 (Unhealthy for Sensitive Groups)	49 (Moderate)	34 (Moderate)	31 (Moderate)	27 (Moderate)	29 (Moderate)	33 (Moderate)	53 (Unhealthy for Sensitive Groups)	47 (Moderate)	45 (Moderate)	53 (Unhealthy for Sensitive Groups)	59 (Unhealthy for Sensitive Groups)	43 (Moderate)	41 (Moderate)	30 (Moderate)	31 (Moderate)	28 (Moderate)	30 (Moderate)	32 (Moderate)	49 (Moderate)	53 (Unhealthy for Sensitive Groups)	37 (Moderate)	25 (Moderate)	27 (Moderate)	28 (Moderate)
pm25	19 (Moderate)	23 (Moderate)	13 (Moderate)	16 (Moderate)	37 (Unhealthy for Sensitive Groups)	26 (Moderate)	29 (Moderate)	24 (Moderate)	15 (Moderate)	21 (Moderate)	18 (Moderate)	20 (Moderate)	17 (Moderate)	22 (Moderate)	26 (Moderate)	25 (Moderate)	27 (Moderate)	33 (Moderate)	22 (Moderate)	16 (Moderate)	16 (Moderate)	16 (Moderate)	20 (Moderate)	20 (Moderate)	33 (Moderate)	26 (Moderate)	25 (Moderate)	25 (Moderate)	35 (Moderate)	23 (Moderate)	26 (Moderate)	16 (Moderate)	19 (Moderate)	17 (Moderate)	19 (Moderate)	22 (Moderate)	32 (Moderate)	29 (Moderate)	20 (Moderate)	12 (Good)	16 (Moderate)	18 (Moderate)
so2:ppm	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0.01 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0.01 (Good)	0 (Good)	0 (Good)	0.01 (Good)	0.01 (Good)	0.01 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0.01 (Good)	0.01 (Good)	0 (Good)	0.01 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)	0 (Good)

data source »

Quality of life in Mexico City

Green and Parks in the City

Mexico City 47%

Philippines: 45% Taiwan: 53% Hong Kong: 52% Vietnam: 42%

particulate matter PM2.5

Mexico City 22 (Moderate)

Pleasure of spending time in the city

Mexico City 40%

Philippines: 39% Taiwan: 47% Hong Kong: 43% Vietnam: 30%

particulate matter PM10

Mexico City 39 (Moderate)

Air Pollution

Mexico City 70%

Philippines: 64% Taiwan: 61% Hong Kong: 67% Vietnam: 78%

Garbage Disposal

Mexico City 28%

Philippines: 35% Taiwan: 65% Hong Kong: 52% Vietnam: 24%

Availability and quality of drinking water

Mexico City 36%

Philippines: 54% Taiwan: 54% Hong Kong: 66% Vietnam: 43%

Cleanliness and tidiness

Mexico City 27%

Philippines: 38% Taiwan: 56% Hong Kong: 54% Vietnam: 29%

Noise and Light pollution

Mexico City 55%

Philippines: 60% Taiwan: 59% Hong Kong: 66% Vietnam: 65%

Water Pollution

Mexico City 72%

Philippines: 74% Taiwan: 58% Hong Kong: 53% Vietnam: 73%

Source: Numbeo

Camarones

Monday, August 28, 2023, 1:00 AM

PM2,5 10 (Good)

particulate matter (PM2.5) dust

CO 0.4 (Good)

carbon monoxide (CO)

PM10 22 (Moderate)

particulate matter (PM10) suspended dust

O3 0.02 (Good)

ozone (O3)

NO2 0.02 (Good)

nitrogen dioxide (NO2)

SO2 0.01 (Good)

sulfur dioxide (SO2)

0.03 (Good)

index_name_nox

0.01 (Good)

index_name_no

Merced

Monday, August 28, 2023, 1:00 AM

PM10 21 (Moderate)

particulate matter (PM10) suspended dust

CO 0.7 (Good)

carbon monoxide (CO)

NO2 0.02 (Good)

nitrogen dioxide (NO2)

SO2 0.01 (Good)

sulfur dioxide (SO2)

O3 0.02 (Good)

ozone (O3)

PM2,5 10 (Good)

particulate matter (PM2.5) dust

0.01 (Good)

index_name_no

0.04 (Good)

index_name_nox

Pedregal

Monday, August 28, 2023, 1:00 AM

O3 0.04 (Good)

ozone (O3)

SO2 0.01 (Good)

sulfur dioxide (SO2)

PM10 21 (Moderate)

particulate matter (PM10) suspended dust

NO2 0.01 (Good)

nitrogen dioxide (NO2)

PM2,5 14 (Moderate)

particulate matter (PM2.5) dust

CO 0.1 (Good)

carbon monoxide (CO)

0 (Good)

index_name_no

0.02 (Good)

index_name_nox

Santa Fe

Wednesday, July 19, 2023, 7:00 PM

PM10 63 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

Tlahuac

Monday, August 28, 2023, 1:00 AM

NO2 0.02 (Good)

nitrogen dioxide (NO2)

CO 0.4 (Good)

carbon monoxide (CO)

O3 0.03 (Good)

ozone (O3)

SO2 0 (Good)

sulfur dioxide (SO2)

PM10 39 (Moderate)

particulate matter (PM10) suspended dust

0 (Good)

index_name_no

0.02 (Good)

index_name_nox

UAM Iztapalapa

Thursday, August 31, 2023, 7:00 AM

PM2,5 25 (Moderate)

particulate matter (PM2.5) dust

0.06 (Good)

index_name_nox

0.02 (Good)

index_name_no

NO2 0.04 (Good)

nitrogen dioxide (NO2)

CO 0.3 (Good)

carbon monoxide (CO)

O3 0.04 (Good)

ozone (O3)

SO2 0.01 (Good)

sulfur dioxide (SO2)

PM10 35 (Moderate)

particulate matter (PM10) suspended dust

UAM Xochimilco

Monday, August 28, 2023, 1:00 AM

CO 0.3 (Good)

carbon monoxide (CO)

O3 0.04 (Good)

ozone (O3)

PM2,5 28 (Moderate)

particulate matter (PM2.5) dust

NO2 0.01 (Good)

nitrogen dioxide (NO2)

SO2 0.01 (Good)

sulfur dioxide (SO2)

0 (Good)

index_name_no

0.02 (Good)

index_name_nox

Camarones

index	2023-08-28	2023-08-29	2023-08-30	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
no2	0.02	0.03	0.03	0.03	0.04	0.03	0.02	0.04
pm25	12	15	11	23	31	21	18	18
co	0.47	0.55	0.44	0.56	0.85	0.59	0.43	0.89
so2	0	0.01	0	0	0.01	0	0	0
pm10	24	31	29	39	39	37	29	22
o3	0.02	0.03	0.04	0.04	0.04	0.04	0.04	0.01
nox	0.03	0.04	0.04	0.03	0.05	0.04	0.02	0.04
no	0.01	0.01	0.01	0.01	0.02	0.01	0	0.01

Merced

index	2023-08-28	2023-08-29	2023-08-30	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
so2	0	0.01	0	0	0.01	0	0	0
pm25	10	17	11	26	28	18	17	14
pm10	19	30	25	40	33	30	25	17
o3	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.01
no2	0.02	0.03	0.03	0.03	0.03	0.03	0.02	0.03
co	0.65	0.83	0.58	0.83	0.86	0.67	0.64	0.89
no	0.01	0.02	0.01	0.01	0.01	0.01	0	0
nox	0.03	0.05	0.04	0.04	0.04	0.04	0.03	0.04

Pedregal

index	2023-08-28	2023-08-29	2023-08-30	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
no2	0.01	0.02	0.02	0.02	0.02	0.01	0.01	0.02
o3	0.03	0.03	0.04	0.04	0.05	0.04	0.05	0.02
co	0.17	0.3	0.23	0.29	0.47	0.37	0.36	0.46
pm25	12	14	14	23	30	17	15	9
pm10	18	22	24	32	36	25	22	13
so2	0.01	0	0	0	0.01	0	0	0
no	0	0.01	0	0	0	0	0	0
nox	0.02	0.03	0.02	0.02	0.02	0.02	0.01	0.02

Santa Fe

index	2023-07-19	2023-07-20
pm10	52	47

Tlahuac

index	2023-08-28	2023-08-29	2023-08-30	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
o3	0.03	0.03	0.04	0.04	0.04	0.04	0.04	0.03
no2	0.01	0.02	0.01	0.01	0.01	0.01	0.01	0.01
pm10	25	32	39	49	34	32	27	18
co	0.28	0.4	0.34	0.37	0.41	0.35	0.37	0.4
so2	0	0	0	0	0.01	0	0	0
no	0	0.01	0	0	0	0	0	0
nox	0.02	0.02	0.02	0.02	0.01	0.02	0.01	0.01

UAM Iztapalapa

index	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
pm25	28	29	18	17	13
nox	-	-	0.03	0.03	0.03
no	-	-	0.01	0	0
no2	-	-	0.03	0.03	0.03
co	0.54	0.67	0.51	0.58	0.66
o3	0.04	0.05	0.04	0.04	0.02
so2	0	0.01	0	0	0
pm10	42	37	30	27	16

UAM Xochimilco

index	2023-08-28	2023-08-29	2023-08-30	2023-08-31	2023-09-01	2023-09-02	2023-09-03	2023-09-04
so2	0	0.01	0	0	0.01	0	0	0
co	0.37	0.56	0.31	0.37	0.48	0.37	0.39	0.41
pm25	13	15	12	26	29	18	16	13
no2	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.02
o3	0.03	0.04	0.04	0.05	0.05	0.04	0.04	0.03
no	0.01	0.01	0.01	0	0.01	0	0	0
nox	0.02	0.04	0.03	0.02	0.03	0.02	0.02	0.02

Camarones

index	2020-05	2020-04	2019-10	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
pm10	24	42	32	28	66	54	61	50	32	38	36	49	40	40	-	62	55	-	-	-	40	36	36	44	64	57	56	63	73	55	54	38	43	38	37	40	55	62	49
so2:ppm	0	0	0	0	0	0	0.01	0	0	0	0	0.01	0	0.01	0	0.01	0.01	0.02	0.01	0.01	0	0	0	0	0.01	0	0.01	0.01	0.01	0.01	0.01	0.01	0	0	0	0.01	0	0.01	0.01
co:ppm	0.47	0.58	0.78	0.65	0.75	0.65	0.95	1.1	0.65	0.68	0.63	0.55	0.76	0.72	0.68	0.71	0.59	0.88	0.92	0.62	0.58	0.6	0.64	0.57	0.82	0.81	0.82	0.91	1.1	0.89	1	0.71	0.75	0.87	0.83	0.84	1	1.1	0.83
pm25	17	21	18	15	40	27	35	27	17	23	21	24	20	22	-	28	28	-	-	-	18	18	23	24	35	29	27	26	34	25	28	16	20	21	20	24	32	30	21
no2:ppm	0.02	0.02	0.02	0.02	0.03	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.05	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03
o3:ppm	0.05	0.05	0.02	0.02	0.05	0.08	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.02	0.02	0.03	0.02	0.02	0.02	0.03	0.04	0.04	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.03	0.03	0.03	0.04	0.03	0.03

Coyoac�n

index	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
pm25	35	27	25	27	37	23	25	16	19	18	19	22	32	30	21
o3:ppm	0.05	0.04	0.04	0.04	0.04	0.02	0.02	0.03	0.03	0.03	0.04	0.04	0.05	0.04	0.03
no2:ppm	0.03	0.02	0.03	0.03	0.04	0.03	0.03	0.02	0.02	0.02	0.03	0.03	0.03	0.03	0.03

Cuajimalpa

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
no2:ppm	0.01	0.01	-	-	0.03	0.02	0.02	0.02	0.02	0.03	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02
o3:ppm	0.06	0.06	0.03	0.04	0.04	0.04	0.04	0.05	0.05	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.04	0.04	0.03	0.02	0.02	0.03	0.03	0.03	0.03	0.04	0.05	0.04	0.03	0.03	0.03	0.03	0.02	0.03	0.03	0.04	0.04	0.04	0.05	0.05	0.04
pm10	33	40	20	23	24	27	27	-	42	34	29	21	25	21	29	27	27	36	38	34	52	36	27	-	21	22	23	45	41	35	41	47	35	30	25	24	24	24	26	39	38	22
co:ppm	0.3	0.3	0.62	0.51	0.48	0.57	0.55	0.85	0.6	0.75	0.98	0.69	0.61	0.7	0.58	0.71	0.73	0.63	0.54	0.84	0.89	0.72	0.55	0.58	0.76	0.66	0.61	0.74	0.67	0.72	0.71	0.97	0.84	0.71	0.51	0.55	0.52	0.52	0.36	0.73	0.67	0.4
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0.01	0.01	0	0	0	0	0	0	0	0	0	0.01	0	0.01	0	0	0	0	0	0	-	-

Hospital General de

index	2020-05	2020-04	2019-10	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
o3:ppm	0.06	0.06	0.02	0.03	0.03	0.03	0.05	0.07	0.03	0.03	0.02	0.03	0.03	0.04	0.03	0.04	0.05	0.05	0.05	0.02	0.03	0.03	0.03	0.03	0.02	0.04	0.05	0.04	0.03	0.03	0.03	0.02	0.02	0.03	0.03	0.03	0.03	0.03	0.05	0.04	0.03
so2:ppm	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0.01	0	0	0.01	0.01	0.01	0	0	0	0	0	0	0	0	0.01	0.01	0.01	0.01	0	0	0	0	0	0	0	0
pm10	-	-	24	28	31	29	61	47	49	44	28	33	26	36	29	35	45	47	55	62	46	34	26	27	27	33	52	45	45	53	55	42	43	26	28	26	28	30	46	46	29
pm25	-	-	14	18	20	18	43	27	30	26	17	22	17	20	18	23	27	24	34	31	22	18	16	16	19	20	34	25	26	26	42	25	27	14	18	18	19	22	32	28	18
no2:ppm	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.04	0.03	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.03	0.02	0.03	0.02	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.02	0.02	0.03	0.03	0.03	0.03	0.03	0.03
co:ppm	0.71	0.73	0.62	0.71	0.63	0.58	0.85	0.65	1	0.97	0.66	0.67	0.63	0.53	0.59	0.64	0.73	0.73	0.85	0.92	0.96	0.67	0.75	0.65	0.65	0.36	0.62	0.66	0.71	0.95	1.1	0.88	0.63	0.53	0.62	0.67	0.76	0.82	1.1	0.95	0.78

Iztacalco

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0.01	0	0.01	0.01	0.01	0.01	0	0	0	0	0	0.01	0	0.01	0.01	0.01	0.01	0.01	0	0	0	0	0	0	0.01	0
co:ppm	0.6	0.65	0.72	0.59	0.76	0.87	0.73	0.87	1.1	1.1	1.1	0.84	0.94	0.9	0.76	0.84	0.81	0.84	0.85	1	1.2	1.1	0.63	0.82	0.77	0.82	0.7	0.93	1	1	1.1	1.2	1	1.1	0.83	0.78	0.85	0.83	0.88	1	1	0.94
pm10	26	39	23	22	24	23	27	51	48	54	42	28	33	28	40	31	38	51	58	49	75	54	36	36	21	24	28	45	38	36	42	50	35	33	24	26	24	24	26	41	45	32
no2:ppm	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.03
o3:ppm	0.05	0.04	0.02	0.03	0.03	0.03	0.03	0.05	0.08	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.03	0.02	0.03	0.02	0.03	0.02	0.03	0.05	0.04	0.03	0.03	0.03	0.02	0.02	0.02	0.03	0.03	0.03	0.04	0.04	0.04	0.03

Merced

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
so2:ppm	0	0	0	0	0	0	0	0	-	0.01	0.01	0	0	0	0.01	0.01	0.01	0.01	0.01	0.01	0.02	0.01	0	0	0	0	0	0.01	0	0.01	0.01	0.01	0.01	0.01	0	0	0	0	0	0	0.01	0
no2:ppm	0.02	0.02	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.05	0.04	0.03	0.03	0.03	0.03	0.03	0.04	0.03	0.04	0.04	0.05	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03
pm25	20	25	14	12	18	21	17	38	28	33	27	16	23	20	21	18	22	27	28	29	32	24	18	17	18	23	21	35	29	32	30	41	28	28	18	21	22	21	25	37	33	23
pm10	34	49	28	29	31	34	32	66	58	63	56	33	41	35	45	33	40	55	66	60	76	62	40	34	36	42	40	63	57	65	70	83	57	50	39	39	38	38	41	61	68	48
co:ppm	1	1.1	0.81	0.58	0.71	0.73	0.76	0.73	-	1.1	1.1	0.76	0.77	0.81	0.72	0.84	0.75	0.85	0.68	0.86	1.2	0.98	0.75	0.83	0.49	1	0.83	0.89	0.92	0.87	1.1	1.2	0.96	1	0.71	0.76	0.8	0.78	0.87	1.1	1.1	1
o3:ppm	0.05	0.05	0.02	0.03	0.03	0.03	0.03	0.05	0.08	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.04	0.03	0.03	0.03	0.03	0.02	0.02	0.02	0.02	0.03	0.03	0.03	0.04	0.03	0.03

Pedregal

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
no2:ppm	0.01	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.03	-	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.04	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	-	0	0	0	0	0	0	0	0	0.01	0.01	0	0	0	0	0	0	0	0	0	0.01	0	0.01	0	0	0	0	0	0	0	0
o3:ppm	0.05	0.05	0.03	0.03	0.04	0.03	0.04	0.06	0.08	0.03	0.04	-	0.03	0.03	0.04	0.03	0.04	0.05	0.05	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.04	0.05	0.05	0.04	0.04	0.04	0.03	0.02	0.03	0.03	0.03	0.03	0.04	0.05	0.04	0.04
co:ppm	0.38	0.42	0.45	0.36	0.42	0.46	0.42	0.52	0.47	0.67	0.57	0.57	0.77	0.56	0.4	0.54	0.55	0.56	0.51	0.58	0.84	0.67	0.47	0.49	0.51	0.49	0.47	0.64	0.48	0.47	0.58	0.69	0.62	0.67	0.41	0.45	0.5	0.5	0.57	0.65	0.51	0.37
pm10	31	39	19	21	22	23	22	55	45	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
pm25	22	23	12	12	14	15	13	37	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

San Juan de Arag�n

index	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05
co:ppm	1	0.93	0.88	0.88	1.2	1	1.1	0.83	0.89	1	0.94	0.93	0.99
so2:ppm	0	0	0	0.01	0.01	0	0	0	0	0	0	0	0
o3:ppm	0.05	0.04	0.03	0.03	0.04	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04
no2:ppm	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.02	0.02	0.03	0.03	0.03	-

Santa Fe

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
co:ppm	0.59	0.49	0.48	-	-	0.65	0.53	0.59	0.63	0.52	0.64	0.31	0.15	0.33	0.45	0.51	0.3	0.3	0.28	0.36	0.66	0.44	0.27	0.4	0.38	0.41	0.33	0.61	0.43	-	0.72	0.71	0.75	0.59	0.53	0.59	0.69	0.62	0.75	0.94	0.69	0.3
o3:ppm	0.05	0.05	0.02	0.03	0.03	0.03	0.03	0.05	0.07	0.03	0.03	0.02	0.03	0.03	0.04	0.03	0.03	0.04	0.04	0.04	0.04	-	0.02	0.02	0.02	0.02	0.03	0.05	0.04	0.04	0.04	0.04	0.03	0.02	0.03	0.03	0.03	0.04	0.04	0.06	0.05	0.03
no2:ppm	0.01	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	-	-	-	-	0.01	0.02	0.02	0.02	0.02	0.02	0.04	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0.01	0.01	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0
pm25	18	20	12	12	16	16	15	31	22	23	20	12	16	17	16	12	19	24	19	23	36	19	18	14	16	16	16	31	23	19	18	26	20	-	-	-	-	-	-	-	-	-
pm10	27	36	21	23	27	27	26	51	45	38	34	21	25	25	33	23	31	41	43	41	67	41	32	24	26	27	29	49	40	36	41	48	38	-	-	-	-	-	-	-	-	-

Tlahuac

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
so2:ppm	0	0	0	-	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
o3:ppm	0.05	0.05	0.03	0.03	0.03	0.04	0.04	0.06	0.07	0.03	0.03	0.03	0.03	0.04	0.04	0.03	0.05	0.04	0.04	0.03	0.04	0.03	0.03	0.03	0.04	0.05	0.05	0.04	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.03	0.04	0.05	0.04	0.03
pm10	33	48	28	30	31	31	33	75	70	48	39	27	37	26	43	26	77	52	69	56	35	28	23	24	33	55	49	44	58	60	41	33	31	27	27	26	27	48	54	34
co:ppm	0.34	0.37	0.31	0.18	0.27	0.31	0.34	0.67	0.52	0.61	0.6	0.36	0.46	0.4	0.33	0.35	0.45	0.52	0.78	0.68	0.49	0.44	0.42	0.55	0.35	0.34	0.36	0.4	0.53	0.66	0.61	0.65	0.47	0.42	0.31	0.31	0.59	0.59	0.38	0.23
no2:ppm	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.02	-	-	-	-	-	-	0.02	0.02	0.03	0.03	0.02	0.02	0.02	0.02	0.02	-	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	-

UAM Iztapalapa

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
no2:ppm	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.03	0.02	0.03	0.03	0.02	0.02	0.02	0.03	0.03	0.03	0.04	0.04	0.02	0.02	0.02	0.03	0.02	0.03	0.03	0.03	0.03	0.04	0.03	0.03	0.02	0.02	0.02	0.02	0.03	0.03	0.03	0.03
co:ppm	0.13	0.23	0.63	0.43	0.53	0.61	0.51	0.42	-	0.54	0.62	0.46	0.56	0.62	0.54	0.55	0.43	0.43	0.56	0.55	0.81	0.88	0.62	0.61	0.66	0.78	0.64	0.89	0.77	0.71	0.73	1.1	0.86	0.86	0.53	0.6	0.65	0.6	0.76	0.98	0.87	0.76
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0.01	0.01	0.01	0	0	0	0	0	0	0	0	0	0.01	0.01	0	0	0	0	0	0	0	0	0
pm10	34	48	25	27	30	31	32	52	-	52	43	26	34	30	38	30	37	52	52	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	21	34	35	53	59	48
o3:ppm	0.05	0.05	0.02	0.03	0.03	0.03	0.03	0.05	0.09	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.02	0.03	0.03	0.03	0.02	0.04	0.05	0.04	0.03	0.03	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.02
pm25	21	25	14	14	18	20	21	30	-	30	24	16	22	20	20	18	25	29	23	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	9.3	19	22	33	28	22

UAM Xochimilco

index	2020-05	2020-04	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2016-11	2016-10	2016-09	2016-08	2016-07	2016-06	2016-05	2016-04	2016-03
pm25	17	24	11	-	14	17	16	42	-	26	20	14	18	15	19	16	20	26	26	23	34	24	12	16	14	16	18	28	25	22	24	30	20	22	14	15	15	15	16	28	27	16
co:ppm	0.56	0.77	0.67	0.38	0.55	0.68	0.66	0.76	-	0.76	0.88	0.66	0.76	0.52	0.41	0.58	0.86	0.77	0.72	0.74	0.9	0.9	0.65	0.69	0.66	0.93	0.7	0.81	0.84	0.81	0.91	0.99	0.52	0.65	0.4	0.41	0.35	0.3	0.31	0.49	0.51	0.28
o3:ppm	0.05	0.05	0.02	0.03	0.04	0.03	0.04	0.06	0.05	0.03	0.03	0.02	0.03	0.03	0.03	0.03	0.03	0.04	0.04	0.04	0.03	0.03	0.03	0.03	0.03	0.02	0.04	0.05	0.05	0.04	0.04	0.04	0.03	0.02	0.03	0.03	0.03	0.03	0.04	0.05	0.04	0.03
no2:ppm	0.01	0.01	0.01	0.01	0.01	0.02	0.02	0.02	0.01	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.04	0.03	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.03	0.02	0.02	0.02	0.02	0.02	0.03	0.02	0.02
so2:ppm	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0	0.01	0	0	0	0	0	0	0	0	0	0

* Pollution data source: https://openaq.org (AirNow) The data is licensed under CC-By 4.0