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 Saint Charles
Air quality index (AQI) and PM2.5 air pollution in Saint Charles
848 people follow this city
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 | Low | |
 | Grass pollen | Moderate | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 62.6°F |
| Humidity | 61% |
| Wind | 6.9 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Glendora, California | 82 |
| 2 | Claremont, California | 76 |
| 3 | Canton, Ohio | 74 |
| 4 | Akron, Ohio | 69 |
| 5 | La Verne, California | 68 |
| 6 | Michigan City, Indiana | 68 |
| 7 | Pahrump, Nevada | 68 |
| 8 | Palm Desert, California | 66 |
| 9 | San Fernando, California | 66 |
| 10 | Marina del Rey, California | 65 |
(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 | 49 |
(local time)
SEE WORLD AQI RANKING
US AQI
49
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 49 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 9µg/m³ | |
| O3 | 0µg/m³ | |
!
PM2.5
x1.8
PM2.5 concentration in Saint Charles is currently 1.8 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 |
|---|---|---|---|---|
| Wednesday, May 29 | Good 29 AQI US |  | 69.8° 44.6° |  8.9 mp/h |
| Thursday, May 30 | Good 37 AQI US |  | 77° 48.2° | 8.9 mp/h |
| Friday, May 31 | Good 43 AQI US |  | 62.6° 55.4° | 8.9 mp/h |
| Today | Good 49 AQI US | 100% | 62.6° 55.4° | 8.9 mp/h |
| Sunday, Jun 2 | Moderate 57 AQI US  | | 75.2° 57.2° | 6.7 mp/h |
| Monday, Jun 3 | Moderate 59 AQI US | 80% | 78.8° 55.4° | 15.7 mp/h |
| Tuesday, Jun 4 | Moderate 55 AQI US | | 84.2° 64.4° | 13.4 mp/h |
| Wednesday, Jun 5 | Good 36 AQI US | 100% | 73.4° 60.8° | 15.7 mp/h |
| Thursday, Jun 6 | Good 12 AQI US | 90% | 64.4° 55.4° | 17.9 mp/h |
| Friday, Jun 7 | Good 8 AQI US | | 68° 51.8° | 15.7 mp/h |
Interested in hourly forecast? Get the app
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