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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St Louis?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 91% |
| Wind | 3.4 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Georgetown, Texas | 130 |
| 2 | Leander, Texas | 129 |
| 3 | Boerne, Texas | 126 |
| 4 | Cedar Park, Texas | 126 |
| 5 | San Antonio, Texas | 120 |
| 6 | Round Rock, Texas | 118 |
| 7 | New Braunfels, Texas | 115 |
| 8 | Austin, Texas | 110 |
| 9 | Fort Worth, Texas | 104 |
| 10 | Midlothian, Texas | 98 |
(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 | 216 Haven Street | 11 |
| 2 | Shaw | 11 |
| 3 | Pershing Place | 9 |
| 4 | Central West End | 4 |
| 5 | Hyde Park | 0 |
(local time)
SEE WORLD AQI RANKING
US AQI
9
live AQI index
Good
Overview
What is the current air quality in St Louis?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 9 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1.6µg/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 |
|---|---|---|---|---|
| Saturday, May 25 | Good 31 AQI US |  | 78.8° 64.4° |  17.9 mp/h |
| Sunday, May 26 | Good 16 AQI US | | 77° 60.8° | 11.2 mp/h |
| Monday, May 27 | Good 12 AQI US | | 75.2° 59° | 15.7 mp/h |
| Today | Good 9 AQI US | 20% | 75.2° 59° | 15.7 mp/h |
| Wednesday, May 29 | Good 24 AQI US | | 71.6° 55.4° | 6.7 mp/h |
| Thursday, May 30 | Good 21 AQI US | | 73.4° 53.6° | 6.7 mp/h |
| Friday, May 31 | Good 34 AQI US | 100% | 71.6° 57.2° | 15.7 mp/h |
| Saturday, Jun 1 | Moderate 54 AQI US  | 100% | 78.8° 62.6° | 11.2 mp/h |
| Sunday, Jun 2 | Moderate 61 AQI US | 100% | 82.4° 62.6° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 72 AQI US | 90% | 80.6° 66.2° | 8.9 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