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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
4 Contributors
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Pollen
What is the pollen count in Saint Louis today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Louis?
| Weather | Broken clouds |
| Temperature | 73.4°F |
| Humidity | 73% |
| Wind | 17.3 mp/h |
| Pressure | 30.1 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Edmond, Oklahoma | 78 |
| 2 | Oklahoma City, Oklahoma | 77 |
| 3 | Tampa, Florida | 76 |
| 4 | Corpus Christi, Texas | 67 |
| 5 | Wichita, Kansas | 67 |
| 6 | Tulsa, Oklahoma | 66 |
| 7 | San Antonio, Texas | 63 |
| 8 | Boerne, Texas | 62 |
| 9 | Ann Arbor, Michigan | 60 |
| 10 | Dayton, Ohio | 60 |
(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 | BLAIR STREET | 32 |
| 2 | Forest Park | 32 |
| 3 | Branch Street | 28 |
| 4 | Windswept Drive | 15 |
| 5 | BROADWAY (South) | 13 |
| 6 | Ladue | 4 |
| 7 | Muirfield Lane | 4 |
| 8 | Buchanan Street | 1 |
(local time)
SEE WORLD AQI RANKING
US AQI
12
live AQI index
Good
Overview
What is the current air quality in Saint Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 12 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 2.9µg/m³ | |
| PM10 | 12µg/m³ | |
✓
PM2.5 concentration in Saint Louis air currently meets the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint Louis?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 24 | Good 27 AQI US |  | 60.8° 39.2° |  8.9 mp/h |
| Thursday, Apr 25 | Good 26 AQI US | | 69.8° 50° | 22.4 mp/h |
| Friday, Apr 26 | Good 30 AQI US | | 75.2° 62.6° | 17.9 mp/h |
| Today | Good 12 AQI US | 100% | 75.2° 62.6° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 53 AQI US  | 100% | 77° 59° | 20.1 mp/h |
| Monday, Apr 29 | Good 42 AQI US | 100% | 75.2° 59° | 13.4 mp/h |
| Tuesday, Apr 30 | Good 38 AQI US | 50% | 77° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 44 AQI US | 80% | 82.4° 64.4° | 8.9 mp/h |
| Thursday, May 2 | Moderate 59 AQI US | 100% | 75.2° 60.8° | 13.4 mp/h |
| Friday, May 3 | Moderate 58 AQI US | 100% | 64.4° 48.2° | 15.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Saint Louis air quality data attribution
4Contributors
- Missouri Department of Natural Resources
1 station
Government Contributor
- 3 Anonymous contributors
3 stations
3 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Louis?
AQI US, Metric