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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 | None | |
 | Grass pollen | None | |
 | Weed pollen | Low |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Broken clouds |
| Temperature | 69.8°F |
| Humidity | 68% |
| Wind | 6.6 mph |
| Pressure | 30 inHg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Sheridan, Wyoming | 220 |
| 2 | El Paso, Texas | 164 |
| 3 | Oakridge, Oregon | 140 |
| 4 | West Carson, California | 113 |
| 5 | Big Sky, Montana | 99 |
| 6 | Tustin, California | 99 |
| 7 | Torrance, California | 96 |
| 8 | Gardena, California | 95 |
| 9 | Galena Park, Texas | 94 |
| 10 | Carson, California | 93 |
(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 | 55 |
| 2 | Shaw | 55 |
| 3 | Central West End | 47 |
(Local time)
SEE WORLD AQI RANKING
US AQI
55
live AQI index
Moderate
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in St Louis is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St Louis?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
St Louis air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Oct 9 | Good 47 AQI US  |  | 78.8° 57.2° |  4.5 mph |
| Thursday, Oct 10 | Good 48 AQI US | | 80.6° 59° | 6.7 mph |
| Friday, Oct 11 | Moderate 52 AQI US | | 86° 62.6° | 11.2 mph |
| Today | Moderate 55 AQI US | | 86° 62.6° | 11.2 mph |
| Sunday, Oct 13 | Moderate 57 AQI US | | 77° 59° | 15.7 mph |
| Monday, Oct 14 | Good 12 AQI US | | 60.8° 46.4° | 8.9 mph |
| Tuesday, Oct 15 | Good 7 AQI US | | 57.2° 44.6° | 11.2 mph |
| Wednesday, Oct 16 | Good 9 AQI US | | 60.8° 39.2° | 6.7 mph |
| Thursday, Oct 17 | Good 34 AQI US | | 68° 42.8° | 11.2 mph |
| Friday, Oct 18 | Moderate 80 AQI US | | 71.6° 46.4° | 11.2 mph |
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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