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
3
Weather
What is the current weather in Saint Louis?
| Weather | Clear sky |
| Temperature | 84.2°F |
| Humidity | 35% |
| Wind | 4.6 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Pittsford, New York | 169 |
| 2 | Dale, Indiana | 165 |
| 3 | Upper Saddle River, New Jersey | 165 |
| 4 | Naples, New York | 164 |
| 5 | Rochester, New York | 164 |
| 6 | Wilmington, New York | 164 |
| 7 | Lake Placid, New York | 163 |
| 8 | East Hartford, Connecticut | 162 |
| 9 | Ferdinand, Indiana | 162 |
| 10 | North Adams, Massachusetts | 162 |
(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 | 136 |
| 2 | Buchanan Street | 132 |
| 3 | BLAIR STREET | 103 |
| 4 | Forest Park | 82 |
| 5 | Ladue | 77 |
| 6 | BROADWAY (South) | 68 |
(local time)
SEE WORLD AQI RANKING
US AQI
132
live AQI index
Unhealthy for Sensitive Groups
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Unhealthy for Sensitive Groups | 132 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 48.2µg/m³ | |
PM2.5
x9.6
PM2.5 concentration in Saint Louis is currently 9.6 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 |
 | Run an air purifier GET AN AIR PURIFIER |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Reduce outdoor exercise |
Forecast
Saint Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Friday, Jun 2 | Moderate 56 US AQI  |  | 89.6°66.2° |  8.9 mp/h |
| Saturday, Jun 3 | Moderate 60 US AQI | | 87.8°66.2° | 13.4 mp/h |
| Sunday, Jun 4 | Moderate 69 US AQI | | 84.2°60.8° | 8.9 mp/h |
| Monday, Jun 5 | Moderate 69 US AQI | | 84.2°60.8° | 6.7 mp/h |
| Today | Unhealthy for Sensitive Groups 132 US AQI |  80% | 78.8°64.4° | 8.9 mp/h |
| Wednesday, Jun 7 | Good 50 US AQI  | | 77°55.4° | 8.9 mp/h |
| Thursday, Jun 8 | Good 41 US AQI | | 78.8°55.4° | 4.5 mp/h |
| Friday, Jun 9 | Good 31 US AQI | 100% | 80.6°59° | 8.9 mp/h |
| Saturday, Jun 10 | Good 41 US AQI | 100% | 73.4°60.8° | 15.7 mp/h |
| Sunday, Jun 11 | Good 30 US AQI | | 73.4°57.2° | 13.4 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
3Contributors
- Missouri Department of Natural Resources
1 station
Unidentified Contributor
1 station
Government
- 1 Anonymous contributor
1 station
Anonymous
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Louis?
