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
823 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 | Low | |
 | Tree pollen | Low | |
 | 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 | 73% |
| Wind | 6.9 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lewisville, Texas | 107 |
| 2 | Dallas, Texas | 96 |
| 3 | Fort Worth, Texas | 96 |
| 4 | Midlothian, Texas | 96 |
| 5 | Georgetown, Texas | 94 |
| 6 | Boerne, Texas | 92 |
| 7 | Round Rock, Texas | 92 |
| 8 | Austin, Texas | 91 |
| 9 | San Antonio, Texas | 90 |
| 10 | Leander, Texas | 89 |
(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 | 22 |
(local time)
SEE WORLD AQI RANKING
US AQI
22
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 22 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 4µg/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 |
|---|---|---|---|---|
| Sunday, May 5 | Good 45 AQI US |  | 69.8° 46.4° |  11.2 mp/h |
| Monday, May 6 | Good 42 AQI US |  | 73.4° 57.2° | 15.7 mp/h |
| Tuesday, May 7 | Good 25 AQI US | | 75.2° 53.6° | 15.7 mp/h |
| Today | Good 22 AQI US | 60% | 75.2° 53.6° | 15.7 mp/h |
| Thursday, May 9 | Good 26 AQI US | 100% | 55.4° 42.8° | 17.9 mp/h |
| Friday, May 10 | Good 14 AQI US | 60% | 60.8° 41° | 8.9 mp/h |
| Saturday, May 11 | Good 12 AQI US | 90% | 64.4° 48.2° | 15.7 mp/h |
| Sunday, May 12 | Good 9 AQI US | 100% | 69.8° 46.4° | 8.9 mp/h |
| Monday, May 13 | Good 14 AQI US | 100% | 77° 55.4° | 8.9 mp/h |
| Tuesday, May 14 | Good 20 AQI US | 100% | 73.4° 59° | 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