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Air quality in Saint Charles
Air quality index (AQI) and PM2.5 air pollution in Saint Charles
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Saint Charles Air Quality Map
Real-time Saint Charles air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in Saint Charles today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Weather
What is the current weather in Saint Charles?
| Weather | Broken clouds |
| Temperature | 53.6°F |
| Humidity | 88% |
| Wind | 6.7 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Yucaipa, California | 83 |
| 2 | San Bernardino, California | 77 |
| 3 | Redlands, California | 73 |
| 4 | Anchorage, Alaska | 72 |
| 5 | Pasadena, California | 71 |
| 6 | La Crescenta-Montrose, California | 70 |
| 7 | Lake Arrowhead, California | 70 |
| 8 | The Woodlands, Texas | 70 |
| 9 | La Canada Flintridge, California | 69 |
| 10 | Sierra Madre, California | 68 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
44*
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10.6*µg/m³ | |
!
PM2.5
x2.1
PM2.5 concentration in Saint Charles is currently 2.1 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint Charles?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
Saint Charles air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 44 AQI US | | 62.6° 44.6° |  6.7 mp/h |
| Saturday, Apr 20 | Good 40 AQI US |  50% | 66.2° 48.2° | 11.2 mp/h |
| Sunday, Apr 21 | Good 14 AQI US | | 59° 39.2° | 8.9 mp/h |
| Monday, Apr 22 | Good 21 AQI US |  | 60.8° 41° | 6.7 mp/h |
| Tuesday, Apr 23 | Good 29 AQI US |  | 66.2° 41° | 11.2 mp/h |
| Wednesday, Apr 24 | Good 38 AQI US | 100% | 66.2° 39.2° | 15.7 mp/h |
| Thursday, Apr 25 | Good 11 AQI US | | 59° 32° | 11.2 mp/h |
| Friday, Apr 26 | Good 11 AQI US | | 64.4° 37.4° | 6.7 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Saint Charles?
No locations are available.
AQI US, Metric