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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 | 62.6°F |
| Humidity | 96% |
| Wind | 4.3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  North Hollywood, California | 84 |
| 2 | San Fernando, California | 75 |
| 3 | Palm Desert, California | 74 |
| 4 | Glendale, California | 73 |
| 5 | Claremont, California | 72 |
| 6 | Mecca, California | 71 |
| 7 | West Hollywood, California | 71 |
| 8 | Hollywood, California | 70 |
| 9 | La Canada Flintridge, California | 70 |
| 10 | Encino, California | 69 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
57*
live AQI index
Moderate
Overview
What is the current air quality in St. Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 12.5*µg/m³ | |
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PM2.5
x2.5
PM2.5 concentration in St. Charles is currently 2.5 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in St. 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
St. Charles air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 57 AQI US |  80% | 78.8° 57.2° |  6.7 mp/h |
| Thursday, May 30 | Moderate 56 AQI US | 30% | 71.6° 51.8° | 8.9 mp/h |
| Friday, May 31 | Good 39 AQI US  | 20% | 71.6° 48.2° | 8.9 mp/h |
| Saturday, Jun 1 | Good 42 AQI US |  | 78.8° 51.8° | 6.7 mp/h |
| Sunday, Jun 2 | Moderate 69 AQI US |  | 77° 57.2° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 63 AQI US | | 80.6° 57.2° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 72 AQI US | 60% | 86° 64.4° | 6.7 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