Air Pollution in San Antonio: Real-time Air Quality Index and smog alert.

The latest data Last 7 days San Antonio pollution March 2016 - May 2020
Current data from stations: UAM Xochimilco
Locations: « Mexico City San Antonio
Pollution and air quality forecast for San Antonio. Today is Monday, May 20, 2024. The following air pollution values have been recorded for San Antonio:
  1. carbon monoxide (CO) - 0 (Good)
  2. ozone (O3) - 0 (Good)
  3. particulate matter (PM2.5) dust - 28 (Moderate)
  4. nitrogen dioxide (NO2) - 0 (Good)
  5. sulfur dioxide (SO2) - 0 (Good)
Real-time Air Quality Index (AQI) for San Antonio, Monday, August 28, 2023: 2.

air quality index: 1
AQI 2 Moderate

What is the air quality in San Antonio today? Is the air polluted in San Antonio?. Is there smog?

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


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

How is the O3 level today in San Antonio? (ozone (O3))
0 (Good)

What is the current level of PM2.5 in San Antonio? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 28 (Moderate) For comparison, the highest level of PM2.5 in San Antonio 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: 42 (May 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: October (11).

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

CO 0 (Good)

O3 0 (Good)

PM2,5 28 (Moderate)

NO2 0 (Good)

SO2 0 (Good)

0 (Good)

0 (Good)

Data on air pollution from recent days in San Antonio

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
so2 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
co 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 1
Good		 0
Good
pm25 13
Moderate		 16
Moderate		 18
Moderate		 29
Moderate		 26
Moderate		 12
Good		 15
Moderate		 13
Moderate
no2 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
o3 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
no 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
nox 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
data source »
Air pollution in San Antonio from March 2016 to May 2020
pollution pm25 hikersbay.com
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 0.56 (Good) 0.77 (Good) 0.67 (Good) 0.38 (Good) 0.55 (Good) 0.68 (Good) 0.66 (Good) 0.76 (Good) - (Good) 0.76 (Good) 0.88 (Good) 0.66 (Good) 0.76 (Good) 0.52 (Good) 0.41 (Good) 0.58 (Good) 0.86 (Good) 0.77 (Good) 0.72 (Good) 0.74 (Good) 0.9 (Good) 0.9 (Good) 0.65 (Good) 0.69 (Good) 0.66 (Good) 0.93 (Good) 0.7 (Good) 0.81 (Good) 0.84 (Good) 0.81 (Good) 0.91 (Good) 0.99 (Good) 0.52 (Good) 0.65 (Good) 0.4 (Good) 0.41 (Good) 0.35 (Good) 0.3 (Good) 0.31 (Good) 0.49 (Good) 0.51 (Good) 0.28 (Good)
no2:ppm 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good)
o3:ppm 0.05 (Good) 0.05 (Good) 0.02 (Good) 0.03 (Good) 0.04 (Good) 0.03 (Good) 0.04 (Good) 0.06 (Good) 0.05 (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) 0.03 (Good) 0.03 (Good) 0.02 (Good) 0.04 (Good) 0.05 (Good) 0.05 (Good) 0.04 (Good) 0.04 (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)
pm25 17 (Moderate) 24 (Moderate) 11 (Good) - (Good) 14 (Moderate) 17 (Moderate) 16 (Moderate) 42 (Unhealthy for Sensitive Groups) - (Good) 26 (Moderate) 20 (Moderate) 14 (Moderate) 18 (Moderate) 15 (Moderate) 19 (Moderate) 16 (Moderate) 20 (Moderate) 26 (Moderate) 26 (Moderate) 23 (Moderate) 34 (Moderate) 24 (Moderate) 12 (Good) 16 (Moderate) 14 (Moderate) 16 (Moderate) 18 (Moderate) 28 (Moderate) 25 (Moderate) 22 (Moderate) 24 (Moderate) 30 (Moderate) 20 (Moderate) 22 (Moderate) 14 (Moderate) 15 (Moderate) 15 (Moderate) 15 (Moderate) 16 (Moderate) 28 (Moderate) 27 (Moderate) 16 (Moderate)
so2:ppm 0 (Good) 0 (Good) 0 (Good) 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 (Good) 0 (Good) 0 (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) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good)
data source »

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

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

UAM Xochimilco

2016-03   2020-05
pollution pm25 hikersbay.com
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