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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Broken clouds |
| Temperature | 82.4°F |
| Humidity | 51% |
| Wind | 23 mp/h |
| Pressure | 29.6 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Lewisville, Texas | 103 |
| 2 | Corpus Christi, Texas | 99 |
| 3 | Fort Worth, Texas | 95 |
| 4 | Midlothian, Texas | 95 |
| 5 | Georgetown, Texas | 94 |
| 6 | Dallas, Texas | 92 |
| 7 | Denton, Texas | 89 |
| 8 | Austin, Texas | 88 |
| 9 | Round Rock, Texas | 88 |
| 10 | Leander, Texas | 87 |
(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 | 57 |
(local time)
SEE WORLD AQI RANKING
US AQI
57
live AQI index
Moderate
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.3µg/m³ | |
| O3 | 0.1µg/m³ | |
!
PM2.5
x2.5
PM2.5 concentration in Saint Charles is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Saint Charles?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Saint Charles air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Saturday, May 18 | Good 44 AQI US  |  | 77° 59° |  8.9 mp/h |
| Sunday, May 19 | Good 44 AQI US | | 78.8° 57.2° | 15.7 mp/h |
| Monday, May 20 | Moderate 51 AQI US | | 86° 60.8° | 26.8 mp/h |
| Today | Moderate 57 AQI US | | 75.2° 55.4° | 22.4 mp/h |
| Wednesday, May 22 | Good 30 AQI US | | 73.4° 51.8° | 8.9 mp/h |
| Thursday, May 23 | Moderate 51 AQI US | 100% | 77° 55.4° | 13.4 mp/h |
| Friday, May 24 | Good 24 AQI US |  | 68° 44.6° | 13.4 mp/h |
| Saturday, May 25 | Good 16 AQI US | 100% | 66.2° 51.8° | 11.2 mp/h |
| Sunday, May 26 | Good 37 AQI US | 80% | 59° 48.2° | 17.9 mp/h |
| Monday, May 27 | Good 21 AQI US | | 64.4° 46.4° | 13.4 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