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Air quality in St. Charles
Air quality index (AQI) and PM2.5 air pollution in St. Charles
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St. Charles Air Quality Map
Real-time St. Charles air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Pollen
What is the pollen count in St. Charles today?
 | Index | Very high | |
 | Tree pollen | Very high | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in St. Charles?
| Weather | Clear sky |
| Temperature | 59°F |
| Humidity | 77% |
| Wind | 3.7 mp/h |
| Pressure | 30.2 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Pahrump, Nevada | 69 |
| 2 | Three Rivers, California | 69 |
| 3 | Banning, California | 67 |
| 4 | San Fernando, California | 66 |
| 5 | Mecca, California | 64 |
| 6 | Glendora, California | 63 |
| 7 | Hollywood, California | 63 |
| 8 | Yucaipa, California | 63 |
| 9 | Fontana, California | 62 |
| 10 | La Crescenta-Montrose, California | 62 |
(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 St. Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 33* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 6*µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in St. Charles is currently 1.2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St. Charles?
 | Enjoy outdoor activities |
 | Open your windows to bring clean, fresh air indoors GET A MONITOR |
Forecast
St. Charles air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Good 33 AQI US |  | 80.6° 50° |  4.5 mp/h |
| Saturday, Jun 1 | Moderate 58 AQI US  |  70% | 75.2° 59° | 8.9 mp/h |
| Sunday, Jun 2 | Moderate 57 AQI US | 80% | 78.8° 60.8° | 4.5 mp/h |
| Monday, Jun 3 | Moderate 58 AQI US | | 75.2° 55.4° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 71 AQI US | | 75.2° 51.8° | 8.9 mp/h |
| Wednesday, Jun 5 | Moderate 58 AQI US | 100% | 69.8° 59° | 13.4 mp/h |
| Thursday, Jun 6 | Moderate 65 AQI US | 80% | 73.4° 57.2° | 8.9 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 St. Charles?
No locations are available.
AQI US, Metric