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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
4 Contributors
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Pollen
What is the pollen count in St Louis today?
 | Index | Low | |
 | Tree pollen | Low | |
 | Grass pollen | None | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 73.4°F |
| Humidity | 57% |
| Wind | 8.1 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Arroyo Grande, California | 93 |
| 2 | Santa Maria, California | 92 |
| 3 | Edmond, Oklahoma | 64 |
| 4 | Mecca, California | 64 |
| 5 | Oklahoma City, Oklahoma | 63 |
| 6 | Allentown, Pennsylvania | 62 |
| 7 | Bethlehem, Pennsylvania | 62 |
| 8 | Lewisville, Texas | 61 |
| 9 | Quakertown, Pennsylvania | 60 |
| 10 | Nipomo, California | 59 |
(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 | 20 |
| 2 | Central West End | 16 |
| 3 | Pershing Place | 16 |
| 4 | Shaw | 8 |
(local time)
SEE WORLD AQI RANKING
US AQI
16
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.9µg/m³ | |
✓
PM2.5 concentration in St Louis air currently meets 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 |
|---|---|---|---|---|
| Saturday, Apr 27 | Good 35 AQI US |  | 75.2° 64.4° |  17.9 mp/h |
| Sunday, Apr 28 | Good 15 AQI US | | 73.4° 59° | 8.9 mp/h |
| Monday, Apr 29 | Good 23 AQI US |  | 80.6° 57.2° | 11.2 mp/h |
| Today | Good 16 AQI US | 100% | 77° 60.8° | 8.9 mp/h |
| Wednesday, May 1 | Good 48 AQI US | 100% | 82.4° 62.6° | 13.4 mp/h |
| Thursday, May 2 | Good 36 AQI US | 100% | 71.6° 60.8° | 6.7 mp/h |
| Friday, May 3 | Good 30 AQI US | 50% | 77° 59° | 11.2 mp/h |
| Saturday, May 4 | Good 25 AQI US |  | 66.2° 50° | 8.9 mp/h |
| Sunday, May 5 | Moderate 68 AQI US  |  | 73.4° 55.4° | 8.9 mp/h |
| Monday, May 6 | Moderate 78 AQI US | 100% | 82.4° 57.2° | 22.4 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
St Louis air quality data attribution
4Contributors
- amlai
1 station
Individual Contributor
- 3 Anonymous contributors
3 stations
3 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
AQI US, Metric