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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 | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | High | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Broken clouds |
| Temperature | 57.2°F |
| Humidity | 98% |
| Wind | 11 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Mecca, California | 89 |
| 2 | Palm Desert, California | 82 |
| 3 | Casa Grande, Arizona | 79 |
| 4 | San Antonio, Texas | 76 |
| 5 | Townsend, Tennessee | 76 |
| 6 | Canton, Ohio | 73 |
| 7 | New Braunfels, Texas | 73 |
| 8 | Boerne, Texas | 71 |
| 9 | Indio, California | 71 |
| 10 | Pahrump, Nevada | 71 |
(local time)
SEE WORLD AQI RANKING
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US AQI
31*
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 31* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.6*µg/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 |
|---|---|---|---|---|
| Today | Good 31 AQI US |  100% | 69.8° 57.2° |  15.7 mp/h |
| Tuesday, May 21 | Moderate 63 AQI US  | 100% | 73.4° 51.8° | 24.6 mp/h |
| Wednesday, May 22 | Good 26 AQI US | 20% | 59° 46.4° | 20.1 mp/h |
| Thursday, May 23 | Good 12 AQI US |  | 68° 48.2° | 13.4 mp/h |
| Friday, May 24 | Good 26 AQI US | 40% | 68° 50° | 15.7 mp/h |
| Saturday, May 25 | Good 21 AQI US | | 62.6° 44.6° | 8.9 mp/h |
| Sunday, May 26 | Good 8 AQI US | | 69.8° 48.2° | 4.5 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Saint Charles?
No locations are available.
AQI US, Metric