Air Quality in Florissant, United States
Windy
18.9°C · 46.8% humidity
18.9°
Feels 18.9°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
AQI Forecast
37
6pm
37
37
37
9pm
50
50
75
12am
75
75
75
3am
75
75
50
6am
50
50
50
9am
50
50
75
12pm
25
25
25
3pm
25
25
46.8%
Humidity
75.9 km/h
Wind S
1018.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
What is the weather forecast for Florissant?
Temperature & Precipitation
PM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Florissant?
04-09
20.7° 9.9°
04-10
22.5° 12.4°
04-11
20.6° 14.3°
20.63 mm
04-12
25.6° 16.9°
0.62 mm
04-13
28.6° 19.2°
0.31 mm
04-14
25.8° 21.0°
0.62 mm
04-15
17.4° 9.0°
4.5 mm
Both models agree
Avg diff: 4.4°C
Where are air quality stations near Florissant?
16
Ladue, Missouri, USA
29
Ladue, Missouri, USA
34
Forest Park, Missouri, USA
109
Branch Street, Missouri, USA
46
East St. Louis, Illinois, USA
What cities are near Florissant?
Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T21:34 UTC.