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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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 69.8°F |
| Humidity | 58% |
| Wind | 6.9 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Occidental, California | 134 |
| 2 | Glendora, California | 89 |
| 3 | San Bernardino, California | 87 |
| 4 | Corpus Christi, Texas | 86 |
| 5 | Glendale, California | 85 |
| 6 | San Fernando, California | 85 |
| 7 | Pasadena, California | 84 |
| 8 | South Pasadena, California | 84 |
| 9 | Alhambra, California | 82 |
| 10 | La Habra, California | 82 |
(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 | 38 |
| 2 | Central West End | 26 |
| 3 | Pershing Place | 20 |
| 4 | 216 Haven Street | 19 |
| 5 | Shaw | 16 |
(local time)
SEE WORLD AQI RANKING
US AQI
20
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 20 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.6µg/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 |
|---|---|---|---|---|
| Tuesday, May 28 | Good 18 AQI US | | 75.2° 55.4° |  8.9 mp/h |
| Wednesday, May 29 | Good 25 AQI US | | 77° 57.2° | 8.9 mp/h |
| Thursday, May 30 | Good 25 AQI US |  | 77° 60.8° | 11.2 mp/h |
| Today | Good 20 AQI US | 70% | 77° 60.8° | 11.2 mp/h |
| Saturday, Jun 1 | Moderate 59 AQI US  | 100% | 73.4° 62.6° | 6.7 mp/h |
| Sunday, Jun 2 | Moderate 64 AQI US |  | 80.6° 59° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 66 AQI US | 100% | 87.8° 68° | 11.2 mp/h |
| Tuesday, Jun 4 | Moderate 57 AQI US | 80% | 86° 69.8° | 13.4 mp/h |
| Wednesday, Jun 5 | Moderate 53 AQI US | 100% | 86° 68° | 8.9 mp/h |
| Thursday, Jun 6 | Good 14 AQI US | | 80.6° 68° | 11.2 mp/h |
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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
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