- Today, O'Fallon
O'Fallon, United States As of：2024-11-24 03:55:10 (timezone：America/Chicago)
Feels Like
5°
06:55 am
16:43 pm
- High / Low
- 19°/11°
- Wind
- E 5 km/h
- Humidity
- 82%
- Dew Point
- 3°
- Pressure
- 1013.88 mb
- UV Index
- 0 of 11
- Visibility
- 16.09 km
- Moon Phase
- WNC
- Air Quality Index, O'Fallon
51
Moderate
Primary Pollutant：
PM2.5
PM2.5
- All Pollutants
51
PM2.5 (Particulate matter less than 2.5 microns)
Moderate
11.15 µg/m3
Moderate
11.15 µg/m3
2
CO (Carbon Monoxide)
Good
2 µg/m3
Good
2 µg/m3
8
NO2 (Nitrogen Dioxide)
Good
8 µg/m3
Good
8 µg/m3
9
O3 (Ozone)
Good
9 µg/m3
Good
9 µg/m3
12
PM10 (Particulate matter less than 10 microns)
Good
12 µg/m3
Good
12 µg/m3
1
SO2 (Sulphur Dioxide)
Good
1 µg/m3
Good
1 µg/m3
