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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Rain |
| Temperature | 60.8°F |
| Humidity | 92% |
| Wind | 8.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Boerne, Texas | 69 |
| 2 | San Antonio, Texas | 67 |
| 3 | Braddock, Pennsylvania | 60 |
| 4 | Urbana, Illinois | 58 |
| 5 | Champaign, Illinois | 57 |
| 6 | Charleston, West Virginia | 57 |
| 7 | Corpus Christi, Texas | 57 |
| 8 | Fort Wayne, Indiana | 56 |
| 9 | Marietta, Ohio | 56 |
| 10 | Beaver, Pennsylvania | 55 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Charles aqi ranking
Real-time Saint Charles air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Aurora and Elgin | 21 |
(local time)
SEE WORLD AQI RANKING
US AQI
21
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 21 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.1µg/m³ | |
| O3 | 0µg/m³ | |
✓
PM2.5 concentration in Saint Charles air currently meets 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 |
|---|---|---|---|---|
| Thursday, Apr 25 | Good 43 AQI US | | 59° 41° |  22.4 mp/h |
| Friday, Apr 26 | Good 33 AQI US | | 75.2° 59° | 20.1 mp/h |
| Saturday, Apr 27 | Good 33 AQI US | | 69.8° 60.8° | 17.9 mp/h |
| Today | Good 21 AQI US | 100% | 69.8° 60.8° | 17.9 mp/h |
| Monday, Apr 29 | Good 41 AQI US | 100% | 68° 50° | 17.9 mp/h |
| Tuesday, Apr 30 | Good 11 AQI US |  | 69.8° 44.6° | 11.2 mp/h |
| Wednesday, May 1 | Good 37 AQI US | 100% | 73.4° 57.2° | 11.2 mp/h |
| Thursday, May 2 | Moderate 69 AQI US  | 100% | 75.2° 55.4° | 17.9 mp/h |
| Friday, May 3 | Moderate 61 AQI US | 100% | 69.8° 48.2° | 17.9 mp/h |
| Saturday, May 4 | Good 10 AQI US | 30% | 53.6° 44.6° | 20.1 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Saint Charles air quality data attribution
1 Data source
Where is the cleanest air quality in Saint Charles?
AQI US, Metric