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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 | Moderate | |
 | Tree pollen | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 53.6°F |
| Humidity | 66% |
| Wind | 13.8 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  San Bernardino, California | 85 |
| 2 | Downey, California | 81 |
| 3 | Signal Hill, California | 80 |
| 4 | Fontana, California | 79 |
| 5 | Redlands, California | 79 |
| 6 | La Habra, California | 78 |
| 7 | San Gabriel, California | 77 |
| 8 | Monterey Park, California | 76 |
| 9 | San Fernando, California | 76 |
| 10 | Hot Springs, South Dakota | 72 |
(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 | 26 |
(local time)
SEE WORLD AQI RANKING
US AQI
26
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 26 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.7µg/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 |
|---|---|---|---|---|
| Wednesday, May 8 | Good 25 AQI US |  | 57.2° 46.4° |  13.4 mp/h |
| Thursday, May 9 | Good 27 AQI US | | 66.2° 44.6° | 11.2 mp/h |
| Friday, May 10 | Good 25 AQI US | | 64.4° 48.2° | 15.7 mp/h |
| Today | Good 26 AQI US | 90% | 64.4° 48.2° | 15.7 mp/h |
| Sunday, May 12 | Good 34 AQI US | 60% | 75.2° 48.2° | 13.4 mp/h |
| Monday, May 13 | Good 44 AQI US | 100% | 68° 55.4° | 11.2 mp/h |
| Tuesday, May 14 | Good 43 AQI US |  | 59° 46.4° | 15.7 mp/h |
| Wednesday, May 15 | Good 9 AQI US | | 66.2° 42.8° | 8.9 mp/h |
| Thursday, May 16 | Good 15 AQI US | 70% | 68° 48.2° | 11.2 mp/h |
| Friday, May 17 | Good 39 AQI US | 90% | 68° 55.4° | 8.9 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Saint Charles air quality data attribution
1 Data source
Where is the cleanest air quality in Saint Charles?
AQI US, Metric