Air Pollution in Saint Louis County: Real-time Air Quality Index and smog alert.
Pollution and air quality forecast for Saint Louis County. Today is Thursday, May 2, 2024. The following air pollution values have been recorded for Saint Louis County:- ozone (O3) - 0 (Good)
What is the air quality in Saint Louis County today? Is the air polluted in Saint Louis County?. Is there smog?
Today (Tuesday, April 16, 2024) air quality is good.
The air quality has no effect on health. Everyone can continue their outdoor activities normally in Saint Louis County.
How is the O3 level today in Saint Louis County? (ozone (O3))
0 (Good)
Current data Tuesday, April 16, 2024, 10:00 AM
O3 0 (Good)
Data on air pollution from recent days in Saint Louis County
index
2024-04-09
2024-04-10
2024-04-11
2024-04-12
2024-04-13
2024-04-14
2024-04-15
2024-04-16
o3
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
0
Good
data source »
Air pollution in Saint Louis County from March 2016 to May 2020
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
0.04 (Good)
0.04 (Good)
0.04 (Good)
0.04 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.02 (Good)
0.02 (Good)
0.02 (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)
0.02 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.04 (Good)
0.05 (Good)
0.04 (Good)
0.04 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.02 (Good)
0.02 (Good)
0.02 (Good)
0.04 (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)
0.02 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.03 (Good)
0.04 (Good)
0.04 (Good)
data source »
Voyageurs NP
Tuesday, April 16, 2024, 10:00 AM
O3 0.04 (Good)
ozone (O3)
Voyageurs NP
index
2024-04-16
2024-04-15
2024-04-14
2024-04-13
2024-04-12
2024-04-11
2024-04-10
2024-04-09
o3
0.04
0.04
0.04
0.04
0.04
0.04
0.03
0.03
Voyageurs NP
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
0.04
0.04
0.04
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
0.03
0.03
0.02
0.02
0.03
0.03
0.03
0.04
0.05
0.04
0.04
0.03
0.03
0.03
0.03
0.02
0.02
0.02
0.04
0.03
0.04
0.04
0.04
0.03
0.03
0.03
0.02
0.02
0.03
0.03
0.03
0.03
0.04
0.04
* Pollution data source:
https://openaq.org
(AirNow)
The data is licensed under CC-By 4.0
O3 0 (Good)
Data on air pollution from recent days in Saint Louis County
| index | 2024-04-09 | 2024-04-10 | 2024-04-11 | 2024-04-12 | 2024-04-13 | 2024-04-14 | 2024-04-15 | 2024-04-16 |
|---|---|---|---|---|---|---|---|---|
| o3 | 0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
0 Good |
| 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 | 0.04 (Good) | 0.04 (Good) | 0.04 (Good) | 0.04 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (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) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.04 (Good) | 0.05 (Good) | 0.04 (Good) | 0.04 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.02 (Good) | 0.02 (Good) | 0.02 (Good) | 0.04 (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) | 0.02 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.03 (Good) | 0.04 (Good) | 0.04 (Good) |
O3 0.04 (Good)
ozone (O3)Voyageurs NP
| index | 2024-04-16 | 2024-04-15 | 2024-04-14 | 2024-04-13 | 2024-04-12 | 2024-04-11 | 2024-04-10 | 2024-04-09 |
|---|---|---|---|---|---|---|---|---|
| o3 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.03 | 0.03 |
Voyageurs NP
| 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 | 0.04 | 0.04 | 0.04 | 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 | 0.03 | 0.03 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.04 | 0.05 | 0.04 | 0.04 | 0.03 | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.02 | 0.04 | 0.03 | 0.04 | 0.04 | 0.04 | 0.03 | 0.03 | 0.03 | 0.02 | 0.02 | 0.03 | 0.03 | 0.03 | 0.03 | 0.04 | 0.04 |