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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Scattered clouds |
| Temperature | 68°F |
| Humidity | 80% |
| Wind | 5.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Tonasket, Washington | 100 |
| 2 | Nampa, Idaho | 79 |
| 3 | Corpus Christi, Texas | 68 |
| 4 | The Woodlands, Texas | 65 |
| 5 | Buffalo, New York | 61 |
| 6 | Austin, Texas | 59 |
| 7 | Cleveland, Ohio | 59 |
| 8 | Carlisle, Pennsylvania | 58 |
| 9 | Dunmore, Pennsylvania | 58 |
| 10 | Throop, Pennsylvania | 58 |
(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 | 23 |
| 2 | Shaw | 17 |
| 3 | Central West End | 13 |
| 4 | Pershing Place | 11 |
(local time)
SEE WORLD AQI RANKING
US AQI
15
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 15 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.5µg/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 |
|---|---|---|---|---|
| Friday, Apr 26 | Good 21 AQI US |  | 73.4° 62.6° |  15.7 mp/h |
| Saturday, Apr 27 | Good 35 AQI US | | 75.2° 64.4° | 17.9 mp/h |
| Today | Good 15 AQI US | |||
| Monday, Apr 29 | Good 36 AQI US | 100% | 73.4° 59° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 26 AQI US |  | 80.6° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 37 AQI US | 70% | 84.2° 60.8° | 11.2 mp/h |
| Thursday, May 2 | Moderate 59 AQI US  | 100% | 82.4° 66.2° | 15.7 mp/h |
| Friday, May 3 | Moderate 66 AQI US | 100% | 68° 57.2° | 11.2 mp/h |
| Saturday, May 4 | Good 32 AQI US | | 73.4° 51.8° | 4.5 mp/h |
| Sunday, May 5 | Good 10 AQI US | 30% | 68° 57.2° | 6.7 mp/h |
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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