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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 | N/A |
 | Tree pollen | N/A |
 | Grass pollen | N/A |
 | Weed pollen | N/A |
Weather
What is the current weather in Saint Charles?
| Weather | Few clouds |
| Temperature | 51.8°F |
| Humidity | 94% |
| Wind | 3.4 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time USA city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Palm Desert, California | 84 |
| 2 | Casa Grande, Arizona | 63 |
| 3 | Pahrump, Nevada | 61 |
| 4 | Aiken, South Carolina | 57 |
| 5 | Thibodaux, Louisiana | 52 |
| 6 | Yucaipa, California | 52 |
| 7 | Spokane, Washington | 51 |
| 8 | Carlsbad, New Mexico | 49 |
| 9 | Hot Springs, South Dakota | 49 |
| 10 | Portola, California | 49 |
(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 | 35 |
| 2 | Orchard Farm | 21 |
(local time)
SEE WORLD AQI RANKING
US AQI
24
live AQI index
Good
Overview
What is the current air quality in Saint Charles?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Good | 24 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 5.8µg/m³ | |
| O3 | 50µg/m³ | |
!
PM2.5
x1.2
PM2.5 concentration in Saint Charles is currently 1.2 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 |
|---|---|---|---|---|
| Sunday, Apr 21 | Good 30 AQI US |  | 69.8° 39.2° |  11.2 mp/h |
| Monday, Apr 22 | Good 33 AQI US |  | 62.6° 51.8° | 13.4 mp/h |
| Tuesday, Apr 23 | Good 28 AQI US |  | 62.6° 44.6° | 6.7 mp/h |
| Today | Good 24 AQI US | | 62.6° 44.6° | 6.7 mp/h |
| Thursday, Apr 25 | Good 21 AQI US | 60% | 60.8° 44.6° | 11.2 mp/h |
| Friday, Apr 26 | Moderate 53 AQI US  | 100% | 66.2° 51.8° | 17.9 mp/h |
| Saturday, Apr 27 | Moderate 55 AQI US | 30% | 73.4° 66.2° | 17.9 mp/h |
| Sunday, Apr 28 | Moderate 70 AQI US | 100% | 71.6° 64.4° | 17.9 mp/h |
| Monday, Apr 29 | Moderate 67 AQI US | 90% | 62.6° 53.6° | 11.2 mp/h |
| Tuesday, Apr 30 | Good 25 AQI US | 40% | 78.8° 51.8° | 8.9 mp/h |
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News
The latest air quality news and resources.
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