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

The latest data Last 7 days Silao pollution March 2016 - May 2020
Current data from stations: Estaci��n Hospital Ge
Locations: « Silao de la Victoria Silao
Pollution and air quality forecast for Silao. Today is Saturday, May 3, 2025. The following air pollution values have been recorded for Silao:
  1. carbon monoxide (CO) - 2 (Good)
  2. sulfur dioxide (SO2) - 0 (Good)
  3. particulate matter (PM2.5) dust - 7 (Good)
  4. particulate matter (PM10) suspended dust - 15 (Good)
  5. ozone (O3) - 0 (Good)
Real-time Air Quality Index (AQI) for Silao, Saturday, July 1, 2023: 1.

air quality index: 0
AQI 1 Good

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

Today (Saturday, July 1, 2023) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Silao.


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

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

What is the current level of PM2.5 in Silao? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Silao in the last 7 days was: 23 (Saturday, July 1, 2023) and the lowest: 16 (Tuesday, July 4, 2023). The highest PM2.5 values were recorded: 43 (April 2016). The lowest level of particulate matter PM2.5 pollution occurs in month: August (17).

What is the level of PM10 today in Silao? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Silao is: 15 (Good) The highest PM10 values usually occur in month: 101 (January 2017). The lowest value of particulate matter PM10 pollution in Silao is usually recorded in: June (31).

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



Current data Saturday, July 1, 2023, 1:00 AM

CO 2 (Good)

SO2 0 (Good)

PM2,5 7 (Good)

PM10 15 (Good)

O3 0 (Good)

Data on air pollution from recent days in Silao

index 2023-07-08 2023-07-05 2023-07-07 2023-07-03 2023-07-04 2023-07-02 2023-07-06 2023-07-01
so2 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
pm10 36
Moderate		 33
Moderate		 28
Moderate		 25
Moderate		 44
Moderate		 29
Moderate		 30
Moderate		 39
Moderate
o3 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good		 0
Good
pm25 -
Good		 -
Good		 -
Good		 21
Moderate		 16
Moderate		 20
Moderate		 -
Good		 23
Moderate
co -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 -
Good		 1
Good
data source »
Air pollution in Silao from March 2016 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 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 0.05 (Good) 0.05 (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) - (Good) 0.04 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) - (Good) 0 (Good) 0.01 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.04 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.03 (Good) 0.02 (Good) 0.02 (Good) 0.02 (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) 0.03 (Good) 0.03 (Good) 0.03 (Good) 0.04 (Good) 0.05 (Good) 0.05 (Good) 0.05 (Good) 0.04 (Good)
pm10 32 (Moderate) 53 (Unhealthy for Sensitive Groups) 53 (Unhealthy for Sensitive Groups) 54 (Unhealthy for Sensitive Groups) 65 (Unhealthy for Sensitive Groups) 74 (Unhealthy for Sensitive Groups) 52 (Unhealthy for Sensitive Groups) 34 (Moderate) 34 (Moderate) 33 (Moderate) 52 (Unhealthy for Sensitive Groups) 38 (Moderate) 68 (Unhealthy for Sensitive Groups) 62 (Unhealthy for Sensitive Groups) 68 (Unhealthy for Sensitive Groups) 73 (Unhealthy for Sensitive Groups) 72 (Unhealthy for Sensitive Groups) 82 (Unhealthy) 71 (Unhealthy for Sensitive Groups) 46 (Moderate) 40 (Moderate) 41 (Moderate) 50 (Moderate) 31 (Moderate) 51 (Unhealthy for Sensitive Groups) 66 (Unhealthy for Sensitive Groups) 67 (Unhealthy for Sensitive Groups) 57 (Unhealthy for Sensitive Groups) 73 (Unhealthy for Sensitive Groups) 82 (Unhealthy) 54 (Unhealthy for Sensitive Groups) 39 (Moderate) 45 (Moderate) 38 (Moderate) 34 (Moderate) 43 (Moderate) 88 (Unhealthy) 73 (Unhealthy for Sensitive Groups) 61 (Unhealthy for Sensitive Groups) 88 (Unhealthy) 101 (Unhealthy) 77 (Unhealthy for Sensitive Groups) 49 (Moderate) 38 (Moderate) 39 (Moderate) 34 (Moderate) 38 (Moderate) 38 (Moderate) 59 (Unhealthy for Sensitive Groups) 58 (Unhealthy for Sensitive Groups) 43 (Moderate)
so2:ppm 0.01 (Good) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (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) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0 (Good) 0 (Good) 0 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good) 0.01 (Good)
pm25 23 (Moderate) 30 (Moderate) 24 (Moderate) 18 (Moderate) 37 (Unhealthy for Sensitive Groups) 35 (Moderate) 26 (Moderate) 27 (Moderate) 21 (Moderate) 17 (Moderate) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 43 (Unhealthy for Sensitive Groups) 21 (Moderate)
co:ppm - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) - (Good) 1 (Good) 1.3 (Good) 1.5 (Good) 1.3 (Good) 1.4 (Good) 1.3 (Good) 1.2 (Good) 1.6 (Good) 1.3 (Good) 1 (Good) 0.67 (Good) 0.55 (Good) 1.2 (Good) 1.2 (Good) - (Good) - (Good) - (Good) - (Good) 2.2 (Good) 2.6 (Good) 2 (Good) 0.83 (Good) 0.72 (Good) 0.56 (Good) 0.67 (Good) 0.67 (Good) 0.74 (Good) 0.75 (Good) 0.62 (Good) 1.1 (Good) 1.4 (Good) 1.2 (Good) 1.1 (Good) 1 (Good) 0.86 (Good) 0.91 (Good) 1.1 (Good) 1.6 (Good) 1.8 (Good) 2.6 (Good) 2.1 (Good)
data source »

Estaci��n Hospital Ge

Saturday, July 1, 2023, 1:00 AM

CO 1.9 (Good)

carbon monoxide (CO)

SO2 0 (Good)

sulfur dioxide (SO2)

PM2,5 6.6 (Good)

particulate matter (PM2.5) dust

PM10 15 (Good)

particulate matter (PM10) suspended dust

O3 0.06 (Good)

ozone (O3)

Estaci��n Hospital Ge

index 2023-07-01 2023-07-06 2023-07-02 2023-07-04 2023-07-03 2023-07-07 2023-07-05 2023-07-08
so2 0 0.01 0.01 0.01 0.01 0 0.01 0.01
pm10 39 30 29 44 25 28 33 36
o3 0.04 0.04 0.03 0.04 0.03 0.04 0.04 0.04
pm25 23 - 20 16 21 - - -
co 1.2 - - - - - - -

Estación Hospital Ge

index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 2019-09 2019-08 2019-07 2019-06 2019-05 2019-04 2019-03 2019-02 2019-01 2018-12 2018-11 2018-10 2018-09 2018-08 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-11 2017-10 2017-09 2017-08 2017-07 2017-06
o3:ppm 0.05 0.05 0.04 0.03 0.03 - 0.04 0.03 0.03 0.04 0.04 0.04 0.04 0.03 0.02 0.02 - 0 0.01 0.02 0.02 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 0.03 0.04
pm10 32 53 53 54 65 74 52 34 34 33 52 38 68 62 68 73 72 82 71 46 40 41 50 31 51 66 67 57 73 82 54 39 45 38 34 43
so2:ppm 0.01 0.01 0.01 0 0 0 0 0.01 0.01 0 0 0 0 0 0.01 0 0 0.01 0.01 0.01 0.01 0.01 0 0 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0 0 0 0 0
co:ppm - - - - - - - - - - 1 1.3 1.5 1.3 1.4 1.3 1.2 1.6 1.3 1 0.67 0.55 1.2 1.2 - - - - 2.2 2.6 2 0.83 0.72 0.56 0.67 0.67
pm25 23 30 24 18 37 35 26 27 21 17 - - - - - - - - - - - - - - - - - - - - - - - - - -

Estaci�n Hospital Ge

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
pm10 88 73 61 88 101 77 49 38 39 34 38 38 59 58 43
o3:ppm 0.04 0.04 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.03 0.04 0.05 0.05 0.05 0.04
pm25 - - - - - - - - - - - - - 43 21
so2:ppm 0.01 0.01 0.01 0.01 0.01 0.01 0 0 0 0.01 0.01 0.01 0.01 0.01 0.01
co:ppm 0.74 0.75 0.62 1.1 1.4 1.2 1.1 1 0.86 0.91 1.1 1.6 1.8 2.6 2.1

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