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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 | Low | |
 | Tree pollen | Low | |
 | Grass pollen | Low | |
 | Weed pollen | None |
Source: tomorrow.io
Weather
What is the current weather in Saint Charles?
| Weather | Clear sky |
| Temperature | 51.8°F |
| Humidity | 51% |
| Wind | 8.8 mp/h |
| Pressure | 30.3 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 94 |
| 2 | San Antonio, Texas | 74 |
| 3 | Indio, California | 72 |
| 4 | Austin, Texas | 69 |
| 5 | Coachella, California | 68 |
| 6 | Georgetown, Texas | 67 |
| 7 | Boerne, Texas | 65 |
| 8 | Corpus Christi, Texas | 65 |
| 9 | Round Rock, Texas | 63 |
| 10 | New Braunfels, Texas | 62 |
(local time)
SEE WORLD AQI RANKING
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US AQI
4*
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 4* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 1*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 4 AQI US |  | 51.8° 30.2° |  8.9 mp/h |
| Friday, Apr 26 | Good 21 AQI US | | 62.6° 32° | 13.4 mp/h |
| Saturday, Apr 27 | Good 50 AQI US |  100% | 75.2° 50° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 55 AQI US  | 100% | 71.6° 60.8° | 13.4 mp/h |
| Monday, Apr 29 | Moderate 59 AQI US | 100% | 71.6° 60.8° | 20.1 mp/h |
| Tuesday, Apr 30 | Moderate 62 AQI US | 60% | 73.4° 55.4° | 11.2 mp/h |
| Wednesday, May 1 | Good 44 AQI US | 100% | 64.4° 51.8° | 20.1 mp/h |
| Thursday, May 2 | Good 11 AQI US |  | 66.2° 44.6° | 8.9 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