Toggle navigation
Places
CAQI (Europe)
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
Wisconsin
St. Croix County
River Falls
CAQI (Europe)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
River Falls
St. Croix County, Wisconsin
2026-04-25 03:00
CAQI (Europe)
Low
Pollutants
PM10
μg/m³
29.8
O3
μg/m³
34.9
PM2.5
μg/m³
5.8
Weather
℃
℃
℉
8℃
72%
6 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
CAQI (Europe)
CAQI (Europe)
PM10
O3
PM2.5
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
River Falls
AQI 30
Saint Marys Point
AQI 23
Lake Saint Croix Beach
AQI 23
Afton
AQI 23
Lakeland Shores
AQI 23
Lakeland
AQI 23
Hudson
AQI 23
Ellsworth
AQI 25
North Hudson
AQI 23
Prescott
AQI 20
Hammond
AQI 30
Air Matters © 2026