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
5 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 | Moderate | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 33.8°F |
| Humidity | 81% |
| Wind | 7.7 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 255 |
| 2 | Columbia, South Carolina | 94 |
| 3 | Boerne, Texas | 83 |
| 4 | Savannah, Georgia | 72 |
| 5 | Edmond, Oklahoma | 66 |
| 6 | Oklahoma City, Oklahoma | 66 |
| 7 | Wichita, Kansas | 66 |
| 8 | Pahrump, Nevada | 65 |
| 9 | Georgetown, Texas | 63 |
| 10 | Aiken, South Carolina | 61 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
33*
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 33* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 7.9*µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in Saint Charles is currently 1.6 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 |
|---|---|---|---|---|
| Today | Good 33 AQI US |  30% | 60.8° 33.8° |  13.4 mp/h |
| Saturday, Apr 27 | Good 49 AQI US | 100% | 73.4° 48.2° | 20.1 mp/h |
| Sunday, Apr 28 | Moderate 52 AQI US  | 100% | 71.6° 60.8° | 15.7 mp/h |
| Monday, Apr 29 | Moderate 59 AQI US | 100% | 73.4° 62.6° | 17.9 mp/h |
| Tuesday, Apr 30 | Moderate 62 AQI US | 100% | 73.4° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 44 AQI US | 100% | 64.4° 53.6° | 20.1 mp/h |
| Thursday, May 2 | Good 11 AQI US | 70% | 55.4° 51.8° | 11.2 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Where is the cleanest air quality in Saint Charles?
No locations are available.
AQI US, Metric