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Air quality in Maryland Heights
Air quality index (AQI) and PM2.5 air pollution in Maryland Heights
440 people follow this city
Maryland Heights Air Quality Map
Real-time Maryland Heights air pollution map
AIR QUALITY DATA CONTRIBUTORS
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Pollen
What is the pollen count in Maryland Heights today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Maryland Heights?
| Weather | Scattered clouds |
| Temperature | 64.4°F |
| Humidity | 94% |
| Wind | 3.4 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 90 |
| 2 | Palm Desert, California | 86 |
| 3 | Campo, California | 85 |
| 4 | Georgetown, Texas | 75 |
| 5 | Round Rock, Texas | 75 |
| 6 | Claremont, California | 69 |
| 7 | Glendora, California | 67 |
| 8 | Leander, Texas | 67 |
| 9 | Corpus Christi, Texas | 65 |
| 10 | Cary, Illinois | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Maryland Heights aqi ranking
Real-time Maryland Heights air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Saint Charles | 59 |
| 2 | Maryland Heights Station | 18 |
(local time)
SEE WORLD AQI RANKING
US AQI
55
live AQI index
Moderate
Overview
What is the current air quality in Maryland Heights?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 55 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 11.5µg/m³ | |
| PM10 | 11.7µg/m³ | |
| O3 | 44µg/m³ | |
!
PM2.5
x2.3
PM2.5 concentration in Maryland Heights is currently 2.3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Maryland Heights?
 | 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
Maryland Heights air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 30 | Good 43 AQI US  |  | 77° 62.6° |  11.2 mp/h |
| Friday, May 31 | Moderate 57 AQI US | | 73.4° 62.6° | 8.9 mp/h |
| Saturday, Jun 1 | Moderate 55 AQI US | | 82.4° 60.8° | 6.7 mp/h |
| Today | Moderate 55 AQI US | | 82.4° 60.8° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US | 90% | 89.6° 68° | 13.4 mp/h |
| Tuesday, Jun 4 | Moderate 57 AQI US | 100% | 86° 68° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 50 AQI US | 100% | 80.6° 68° | 8.9 mp/h |
| Thursday, Jun 6 | Good 43 AQI US | 50% | 77° 62.6° | 15.7 mp/h |
| Friday, Jun 7 | Good 16 AQI US |  | 71.6° 57.2° | 15.7 mp/h |
| Saturday, Jun 8 | Good 26 AQI US | | 64.4° 51.8° | 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?
Maryland Heights air quality data attribution
2Contributors
- Missouri Department of Natural Resources
1 station
Government Contributor
- AirGradient
1 station
Corporate Contributor
2 Data sources
Where is the cleanest air quality in Maryland Heights?
AQI US, Metric