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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 CONTRIBUTORS
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Pollen
What is the pollen count in Saint 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 Saint Charles?
| Weather | Clear sky |
| Temperature | 78.8°F |
| Humidity | 62% |
| Wind | 8.1 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Silverton, Colorado | 108 |
| 2 | Tulsa, Oklahoma | 105 |
| 3 | Chester, Pennsylvania | 96 |
| 4 | Coachella, California | 90 |
| 5 | Corpus Christi, Texas | 67 |
| 6 | New Braunfels, Texas | 67 |
| 7 | San Antonio, Texas | 67 |
| 8 | Barstow, California | 66 |
| 9 | Hot Springs, South Dakota | 65 |
| 10 | Port Arthur, Texas | 65 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Saint Charles aqi ranking
Real-time Saint Charles air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Cottleville Weldon Spring | 44 |
| 2 | Orchard Farm | 28 |
(local time)
SEE WORLD AQI RANKING
US AQI
44
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 44 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 8.1µg/m³ | |
| O3 | 82µg/m³ | |
!
PM2.5
x1.6
PM2.5 concentration in Saint Charles is currently 1.6 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 |
|---|---|---|---|---|
| Thursday, May 16 | Good 29 AQI US |  | 77° 59° |  4.5 mp/h |
| Friday, May 17 | Good 34 AQI US |  | 84.2° 60.8° | 4.5 mp/h |
| Saturday, May 18 | Good 40 AQI US |  | 87.8° 66.2° | 8.9 mp/h |
| Today | Good 44 AQI US | 50% | 86° 68° | 11.2 mp/h |
| Monday, May 20 | Moderate 66 AQI US  | 60% | 89.6° 68° | 17.9 mp/h |
| Tuesday, May 21 | Moderate 57 AQI US | 100% | 84.2° 60.8° | 13.4 mp/h |
| Wednesday, May 22 | Good 29 AQI US | | 77° 55.4° | 8.9 mp/h |
| Thursday, May 23 | Good 48 AQI US | 70% | 84.2° 62.6° | 11.2 mp/h |
| Friday, May 24 | Good 48 AQI US | 100% | 78.8° 68° | 8.9 mp/h |
| Saturday, May 25 | Good 36 AQI US | 100% | 82.4° 66.2° | 8.9 mp/h |
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News
The latest air quality news and resources.
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Saint Charles air quality data attribution
1Contributor
- 1 Anonymous contributor
1 station
Anonymous Contributor
Data validated and calibrated by IQAirWhere is the cleanest air quality in Saint Charles?
AQI US, Metric