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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
5 Contributors
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Pollen
What is the pollen count in St Louis today?
 | Index | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 66.2°F |
| Humidity | 93% |
| Wind | 4.6 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Campo, California | 92 |
| 2 | Mecca, California | 86 |
| 3 | Georgetown, Texas | 85 |
| 4 | Leander, Texas | 82 |
| 5 | Round Rock, Texas | 80 |
| 6 | Cedar Park, Texas | 73 |
| 7 | Palm Desert, California | 72 |
| 8 | Austin, Texas | 71 |
| 9 | Coraopolis, Pennsylvania | 68 |
| 10 | Saint Clair, Pennsylvania | 67 |
(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 | Shaw | 27 |
| 2 | Central West End | 21 |
| 3 | Hyde Park | 17 |
| 4 | Pershing Place | 9 |
| 5 | 216 Haven Street | 8 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.8µg/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 |
|---|---|---|---|---|
| Thursday, May 30 | Good 24 AQI US |  | 77° 60.8° |  13.4 mp/h |
| Friday, May 31 | Good 22 AQI US | | 75.2° 62.6° | 8.9 mp/h |
| Saturday, Jun 1 | Good 11 AQI US |  | 82.4° 60.8° | 6.7 mp/h |
| Today | Good 21 AQI US | | 82.4° 60.8° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US  | | 89.6° 66.2° | 13.4 mp/h |
| Tuesday, Jun 4 | Moderate 58 AQI US | 100% | 82.4° 68° | 13.4 mp/h |
| Wednesday, Jun 5 | Moderate 51 AQI US | 100% | 84.2° 69.8° | 11.2 mp/h |
| Thursday, Jun 6 | Good 49 AQI US | | 80.6° 66.2° | 11.2 mp/h |
| Friday, Jun 7 | Good 17 AQI US |  | 82.4° 59° | 6.7 mp/h |
| Saturday, Jun 8 | Good 26 AQI US | | 77° 62.6° | 13.4 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
5Contributors
- amlai
1 station
Individual Contributor
- 4 Anonymous contributors
4 stations
4 Anonymous Contributors
Data validated and calibrated by IQAirWhere is the cleanest air quality in St Louis?
AQI US, Metric