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Air quality in St Louis
Air quality index (AQI) and PM2.5 air pollution in St Louis
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St Louis Air Quality Map
Real-time St Louis air pollution map
AIR QUALITY DATA CONTRIBUTORS
3 Contributors
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Pollen
What is the pollen count in St Louis today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 92% |
| Wind | 0 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 101 |
| 2 | Yucaipa, California | 83 |
| 3 | Coachella, California | 78 |
| 4 | Mecca, California | 78 |
| 5 | Redlands, California | 78 |
| 6 | San Bernardino, California | 77 |
| 7 | Banning, California | 76 |
| 8 | Fontana, California | 66 |
| 9 | Pahrump, Nevada | 63 |
| 10 | Pomona, California | 62 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live St Louis aqi ranking
Real-time St Louis air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Hyde Park | 39 |
| 2 | Shaw | 37 |
| 3 | Central West End | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
37
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 37 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in St Louis is currently 1.8 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St Louis?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
St Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, May 1 | Good 26 AQI US |  | 82.4° 60.8° |  13.4 mp/h |
| Thursday, May 2 | Good 17 AQI US | | 73.4° 60.8° | 6.7 mp/h |
| Friday, May 3 | Good 24 AQI US | | 80.6° 60.8° | 11.2 mp/h |
| Today | Good 37 AQI US | 70% | 80.6° 60.8° | 11.2 mp/h |
| Sunday, May 5 | Good 28 AQI US | 80% | 71.6° 51.8° | 8.9 mp/h |
| Monday, May 6 | Moderate 51 AQI US  | 100% | 71.6° 62.6° | 6.7 mp/h |
| Tuesday, May 7 | Moderate 52 AQI US | 100% | 78.8° 64.4° | 15.7 mp/h |
| Wednesday, May 8 | Good 42 AQI US | 100% | 84.2° 66.2° | 15.7 mp/h |
| Thursday, May 9 | Good 37 AQI US |  | 71.6° 57.2° | 17.9 mp/h |
| Friday, May 10 | Good 10 AQI US | | 64.4° 53.6° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
St Louis air quality data attribution
3Contributors
- amlai
1 station
Individual Contributor
- 2 Anonymous contributors
2 stations
2 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
AQI US, Metric