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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 | High | |
 | Tree pollen | High | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Few clouds |
| Temperature | 73.4°F |
| Humidity | 44% |
| Wind | 17.4 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Mecca, California | 88 |
| 2 | Corpus Christi, Texas | 83 |
| 3 | Manteca, California | 82 |
| 4 | New Braunfels, Texas | 78 |
| 5 | San Antonio, Texas | 74 |
| 6 | Boerne, Texas | 72 |
| 7 | Yucaipa, California | 64 |
| 8 | Arroyo Grande, California | 62 |
| 9 | Baton Rouge, Louisiana | 58 |
| 10 | Georgetown, Texas | 58 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
16*
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 16* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 3.9*µg/m³ | |
✓
PM2.5 concentration in Saint Charles air currently meets 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 16 AQI US |  30% | 73.4° 50° |  22.4 mp/h |
| Thursday, May 2 | Good 14 AQI US | 30% | 66.2° 46.4° | 15.7 mp/h |
| Friday, May 3 | Good 37 AQI US | 100% | 64.4° 53.6° | 11.2 mp/h |
| Saturday, May 4 | Good 37 AQI US |  | 68° 53.6° | 6.7 mp/h |
| Sunday, May 5 | Moderate 51 AQI US  | 100% | 68° 50° | 8.9 mp/h |
| Monday, May 6 | Good 17 AQI US | | 64.4° 44.6° | 8.9 mp/h |
| Tuesday, May 7 | Good 42 AQI US | 100% | 69.8° 53.6° | 11.2 mp/h |
| Wednesday, May 8 | Moderate 74 AQI US | 100% | 75.2° 57.2° | 17.9 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Saint Charles?
No locations are available.
AQI US, Metric