- Today, O'Fallon
O'Fallon, United States As of：2024-11-21 08:48:17 (timezone：America/Chicago)
Feels Like
-4°
06:52 am
16:44 pm
- High / Low
- 7°/1°
- Wind
- NW 35 km/h
- Humidity
- 61%
- Dew Point
- -4°
- Pressure
- 1018.29 mb
- UV Index
- 0 of 11
- Visibility
- 16.09 km
- Moon Phase
- WNG
- Air Quality Index, O'Fallon
25
Good
Primary Pollutant：
O3
O3
- All Pollutants
5
PM2.5 (Particulate matter less than 2.5 microns)
Good
1.66 µg/m3
Good
1.66 µg/m3
1
CO (Carbon Monoxide)
Good
1 µg/m3
Good
1 µg/m3
1
NO2 (Nitrogen Dioxide)
Good
1 µg/m3
Good
1 µg/m3
25
O3 (Ozone)
Good
25 µg/m3
Good
25 µg/m3
1
PM10 (Particulate matter less than 10 microns)
Good
1 µg/m3
Good
1 µg/m3
1
SO2 (Sulphur Dioxide)
Good
1 µg/m3
Good
1 µg/m3
