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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 CONTRIBUTORS
3 Contributors
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Weather
What is the current weather in Saint Louis?
| Weather | Clear sky |
| Temperature | 73.4°F |
| Humidity | 38% |
| Wind | 3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | York, Pennsylvania | 365 |
| 2 | Gordonville, Pennsylvania | 324 |
| 3 | Lebanon, Pennsylvania | 319 |
| 4 | Harrisburg, Pennsylvania | 296 |
| 5 | Hidden Valley, Arizona | 296 |
| 6 | Woodbury, New Jersey | 295 |
| 7 | Hebron, Pennsylvania | 281 |
| 8 | Camp Hill, Pennsylvania | 280 |
| 9 | Landover, Maryland | 274 |
| 10 | Purcellville, Virginia | 263 |
(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 | Buchanan Street | 87 |
| 2 | BLAIR STREET | 84 |
| 3 | Branch Street | 83 |
| 4 | Forest Park | 64 |
| 5 | Ladue | 57 |
| 6 | BROADWAY (South) | 55 |
(local time)
SEE WORLD AQI RANKING
US AQI
87
live AQI index
Moderate
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 87 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 29.2µg/m³ | |
!
PM2.5
x5.8
PM2.5 concentration in Saint Louis is currently 5.8 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 |
|---|---|---|---|---|
| Sunday, Jun 4 | Moderate 69 US AQI | | 84.2°60.8° |  8.9 mp/h |
| Monday, Jun 5 | Moderate 73 US AQI | | 87.8°60.8° | 6.7 mp/h |
| Tuesday, Jun 6 | Moderate 85 US AQI |  | 80.6°64.4° | 11.2 mp/h |
| Wednesday, Jun 7 | Moderate 72 US AQI |  | 78.8°55.4° | 8.9 mp/h |
| Today | Moderate 87 US AQI | | 78.8°55.4° | 4.5 mp/h |
| Friday, Jun 9 | Moderate 63 US AQI | 60% | 84.2°57.2° | 13.4 mp/h |
| Saturday, Jun 10 | Moderate 54 US AQI | 100% | 84.2°60.8° | 13.4 mp/h |
| Sunday, Jun 11 | Good 31 US AQI  | | 77°57.2° | 11.2 mp/h |
| Monday, Jun 12 | Good 25 US AQI | 60% | 84.2°59° | 6.7 mp/h |
| Tuesday, Jun 13 | Good 32 US AQI | 60% | 80.6°64.4° | 6.7 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
2 Governments
- 1 Anonymous contributor
1 station
Anonymous
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Louis?
