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
Wisconsin
Dodge County
Williamstown
Horicon
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Horicon
Williamstown, Dodge County
2025-12-07 22:00
AQI (US)
Good
Pollutants
O3
μg/m³
75
PM2.5
μg/m³
2.8
PM10
μg/m³
4
SO2
μg/m³
0.3
CO
μg/m³
0
Weather
℃
℃
℉
-14℃
72%
7 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
PM2.5
PM10
SO2
CO
Places included
Horicon Wildlife Area
AQI 33
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
Horicon
AQI 33
Juneau
AQI 16
Mayville
AQI 16
Iron Ridge
AQI 16
Hustisford
AQI 16
Theresa
AQI 16
Beaver Dam
AQI 16
Clyman
AQI 16
Neosho
AQI 16
Lowell
AQI 16
Brownsville
AQI 16
Air Matters © 2025