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
839 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 | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 60.8°F |
| Humidity | 56% |
| Wind | 4.6 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Deschutes River Woods, Oregon | 96 |
| 2 | Mecca, California | 90 |
| 3 | Thermal, California | 81 |
| 4 | Pahrump, Nevada | 80 |
| 5 | Maricopa, Arizona | 77 |
| 6 | Corpus Christi, Texas | 74 |
| 7 | Coachella, California | 73 |
| 8 | Potomac, Maryland | 72 |
| 9 | Canton, Ohio | 71 |
| 10 | Claremont, California | 64 |
(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 | 27 |
(local time)
SEE WORLD AQI RANKING
US AQI
27
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 27 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4.9µg/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 |
|---|---|---|---|---|
| Friday, May 17 | Moderate 59 AQI US  |  | 82.4° 59° |  8.9 mp/h |
| Saturday, May 18 | Good 44 AQI US | | 77° 59° | 8.9 mp/h |
| Sunday, May 19 | Good 41 AQI US | | 78.8° 57.2° | 15.7 mp/h |
| Today | Good 27 AQI US | 100% | 78.8° 57.2° | 15.7 mp/h |
| Tuesday, May 21 | Moderate 66 AQI US | 100% | 80.6° 62.6° | 24.6 mp/h |
| Wednesday, May 22 | Moderate 56 AQI US | 100% | 69.8° 51.8° | 15.7 mp/h |
| Thursday, May 23 | Good 17 AQI US |  | 71.6° 50° | 6.7 mp/h |
| Friday, May 24 | Good 22 AQI US | 50% | 77° 55.4° | 11.2 mp/h |
| Saturday, May 25 | Good 49 AQI US | 100% | 75.2° 60.8° | 15.7 mp/h |
| Sunday, May 26 | Good 15 AQI US | 100% | 71.6° 51.8° | 11.2 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