Toggle navigation
Places
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
English
Français
Deutsch
日本語
한국어
简体中文
繁體中文
North America
United States
Nebraska
Knox County
Union
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Union
Knox County
2025-01-28 20:00
AQI (US)
Insufficient Data
Pollutants
O3
μg/m³
96.4
Weather
℃
℃
℉
10℃
35%
28 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
Places included
Santee Sioux - Environmental Office
AQI 42
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
Scan QR Code to Download App
iOS
Google Play
Download APK
Cities Nearby
Niobrara
AQI 42
Santee
AQI 42
Center
AQI 42
Verdigre
AQI 42
Bazile Mills
AQI 42
Winnetoon
AQI 42
Bloomfield
AQI 42
Verdel
AQI 42
Creighton
AQI 53
Tyndall
AQI 42
Tabor
AQI 53
Air Matters © 2025