Air quality in Saint Louis
Air quality index (AQI) and PM2.5 air pollution in Saint Louis
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Saint Louis Air Quality Map
Real-time Saint Louis air pollution map
Air Quality Data contributor(s)
Station(s) operated by
Contributors
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3
Weather
What is the current weather in Saint Louis?
| Weather | Clear sky |
| Temperature | 44.6°F |
| Humidity | 77% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Cedar Ridge, California | 117 |
| 2 | Watauga, Texas | 111 |
| 3 | Cathlamet, Washington | 104 |
| 4 | Terre Haute, Indiana | 104 |
| 5 | Georgetown, California | 103 |
| 6 | Wimberley, Texas | 102 |
| 7 | Los Ranchos de Albuquerque, New Mexico | 99 |
| 8 | Oakridge, Oregon | 99 |
| 9 | Crooks, South Dakota | 96 |
| 10 | Peaceful Valley, Washington | 96 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Louis aqi ranking
Real-time Saint Louis air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Branch Street | 56 |
| 2 | Forest Park | 53 |
| 3 | Buchanan Street | 52 |
| 4 | Ladue | 49 |
| 5 | BROADWAY (South) | 47 |
| 6 | BLAIR STREET | 42 |
(local time)
SEE WORLD AQI RANKING
US AQI
52
live AQI index
Moderate
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 52 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.4µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Saint Louis is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
How to protect from air pollution in Saint Louis?
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should reduce outdoor exercise |
Forecast
Saint Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Mar 22 | Good 43 US AQI  |  | 66.2°46.4° |  11.2 mp/h |
| Thursday, Mar 23 | Good 40 US AQI | | 46.4°41° | 11.2 mp/h |
| Friday, Mar 24 | Good 19 US AQI | | 59°39.2° | 15.7 mp/h |
| Saturday, Mar 25 | Good 38 US AQI | 80% | 64.4°42.8° | 13.4 mp/h |
| Today | Moderate 52 US AQI | 100% | 51.8°37.4° | 11.2 mp/h |
| Monday, Mar 27 | Good 38 US AQI | | 48.2°37.4° | 8.9 mp/h |
| Tuesday, Mar 28 | Good 24 US AQI |  | 59°35.6° | 6.7 mp/h |
| Wednesday, Mar 29 | Good 14 US AQI |  | 64.4°48.2° | 13.4 mp/h |
| Thursday, Mar 30 | Good 24 US AQI | 100% | 68°60.8° | 17.9 mp/h |
| Friday, Mar 31 | Good 12 US AQI | 100% | 66.2°44.6° | 20.1 mp/h |
Interested in hourly forecast? Get the app
Historical
Historic air quality graph for Saint Louis
How to best protect from air pollution?
Saint Louis air quality data attribution
Contributors 3
- Unidentified Contributor
1 station
Government
- AirKaz Organisation
1 station
Non-profit organization
- 1 Anonymous contributor
1 station
Anonymous
Where is the cleanest air quality in Saint Louis?
