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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 | 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 | 77°F |
| Humidity | 40% |
| Wind | 9.2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Corpus Christi, Texas | 100 |
| 2 | Coachella, California | 96 |
| 3 | San Antonio, Texas | 90 |
| 4 | Mecca, California | 88 |
| 5 | Boerne, Texas | 86 |
| 6 | Georgetown, Texas | 78 |
| 7 | Round Rock, Texas | 77 |
| 8 | Austin, Texas | 76 |
| 9 | Cedar Park, Texas | 76 |
| 10 | Palm Desert, California | 75 |
(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 | 30 |
(local time)
SEE WORLD AQI RANKING
US AQI
30
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 30 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.4µg/m³ | |
| O3 | 0.1µg/m³ | |
!
PM2.5
x1.1
PM2.5 concentration in Saint Charles is currently 1.1 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 |
|---|---|---|---|---|
| Thursday, May 16 | Good 45 AQI US | | 77° 55.4° |  6.7 mp/h |
| Friday, May 17 | Moderate 59 AQI US  |  | 82.4° 59° | 8.9 mp/h |
| Saturday, May 18 | Good 47 AQI US | | 77° 59° | 8.9 mp/h |
| Today | Good 30 AQI US | 90% | 77° 59° | 8.9 mp/h |
| Monday, May 20 | Moderate 67 AQI US | 100% | 78.8° 57.2° | 17.9 mp/h |
| Tuesday, May 21 | Moderate 66 AQI US | 100% | 82.4° 64.4° | 26.8 mp/h |
| Wednesday, May 22 | Moderate 53 AQI US | 100% | 69.8° 55.4° | 17.9 mp/h |
| Thursday, May 23 | Good 17 AQI US | | 69.8° 48.2° | 6.7 mp/h |
| Friday, May 24 | Good 16 AQI US |  | 75.2° 51.8° | 13.4 mp/h |
| Saturday, May 25 | Moderate 56 AQI US | 100% | 84.2° 62.6° | 22.4 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