1. North America
  2. United States
  3. Missouri
  4. Jefferson County

Jefferson County

Missouri

2026-05-14 06:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
64.3
PM10
μg/m³
14
NO2
μg/m³
18.1
PM2.5
μg/m³
5.7
SO2
μg/m³
2
Weather
  • ℃
  • ℉
9℃
98%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • SO2
Places included
Arnold Township
AQI 21
Central Township
AQI 14
High Ridge Township
AQI 14
Imperial Township
AQI 14
Joachim Township
AQI 14
Meramec
AQI 14
Plattin Township
AQI 19
River View Township
AQI 14
Valle Township
AQI 19
Windsor Township
AQI 14
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Hillsboro
AQI 14
Horine
AQI 14
De Soto
AQI 19
Festus
AQI 14
Olympian Village
AQI 19
Pevely
AQI 14
Crystal City
AQI 14
Herculaneum
AQI 14
Cedar Hill Lakes
AQI 14
Cedar Hill
AQI 14
Barnhart
AQI 14