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Air quality in Maryland Heights
Air quality index (AQI) and PM2.5 air pollution in Maryland Heights
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Maryland Heights Air Quality Map
Real-time Maryland Heights air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
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 | Broken clouds |
| Temperature | 71.6°F |
| Humidity | 71% |
| Wind | 24.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Corpus Christi, Texas | 62 |
| 2 | Harrisburg, Pennsylvania | 62 |
| 3 | Lancaster, Pennsylvania | 59 |
| 4 | The Woodlands, Texas | 59 |
| 5 | Carlisle, Pennsylvania | 58 |
| 6 | Elizabethtown, Pennsylvania | 58 |
| 7 | Galveston, Texas | 58 |
| 8 | Kalamazoo, Michigan | 57 |
| 9 | Allentown, Pennsylvania | 55 |
| 10 | Ann Arbor, Michigan | 52 |
(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 | Maryland Heights Station | 34 |
(local time)
SEE WORLD AQI RANKING
US AQI
45*
live AQI index
Good
Overview
What is the current air quality in Maryland Heights?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 45* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.8*µg/m³ | |
| O3 | 84*µg/m³ | |
!
PM2.5
x2.2
PM2.5 concentration in Maryland Heights is currently 2.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Maryland Heights?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Maryland Heights air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 45 AQI US |  100% | 75.2° 66.2° |  17.9 mp/h |
| Monday, Apr 29 | Good 42 AQI US | 100% | 75.2° 59° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 36 AQI US |  | 82.4° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 43 AQI US | 60% | 87.8° 64.4° | 8.9 mp/h |
| Thursday, May 2 | Good 45 AQI US | 100% | 82.4° 66.2° | 15.7 mp/h |
| Friday, May 3 | Moderate 54 AQI US  | 100% | 66.2° 53.6° | 13.4 mp/h |
| Saturday, May 4 | Good 12 AQI US | | 69.8° 48.2° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Maryland Heights?
AQI US, Metric