Be the first to measure and contribute air quality data to your community
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
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 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 | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Maryland Heights?
| Weather | Clear sky |
| Temperature | 64.4°F |
| Humidity | 91% |
| Wind | 0 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Palm Springs, California | 132 |
| 2 | The Woodlands, Texas | 97 |
| 3 | Mecca, California | 91 |
| 4 | New Braunfels, Texas | 87 |
| 5 | Corpus Christi, Texas | 86 |
| 6 | San Antonio, Texas | 80 |
| 7 | Lancaster, Pennsylvania | 77 |
| 8 | Georgetown, Texas | 74 |
| 9 | Pahrump, Nevada | 73 |
| 10 | Palm Desert, California | 72 |
(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 | 24 |
(local time)
SEE WORLD AQI RANKING
US AQI
63*
live AQI index
Moderate
Overview
What is the current air quality in Maryland Heights?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 63* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15.7*µg/m³ | |
| O3 | 60*µg/m³ | |
!
PM2.5
x3.1
PM2.5 concentration in Maryland Heights is currently 3.1 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 |
|---|---|---|---|---|
| Today | Moderate 63 AQI US |  | 87.8° 64.4° |  11.2 mp/h |
| Monday, May 20 | Moderate 68 AQI US |  40% | 87.8° 68° | 8.9 mp/h |
| Tuesday, May 21 | Moderate 66 AQI US | 60% | 91.4° 68° | 15.7 mp/h |
| Wednesday, May 22 | Moderate 56 AQI US | 100% | 78.8° 60.8° | 11.2 mp/h |
| Thursday, May 23 | Good 16 AQI US  |  | 77° 55.4° | 6.7 mp/h |
| Friday, May 24 | Good 46 AQI US |  | 84.2° 62.6° | 8.9 mp/h |
| Saturday, May 25 | Moderate 61 AQI US | 100% | 91.4° 68° | 8.9 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Maryland Heights?
AQI US, Metric