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
Idaho
Custer County
Clayton
AQI (US)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Clayton
Custer County, Idaho
2026-01-21 10:00
AQI (US)
Moderate
Pollutants
PM2.5
μg/m³
9.8
O3
μg/m³
44.9
PM10
μg/m³
14.7
SO2
μg/m³
0.5
Weather
℃
℃
℉
-7℃
60%
14 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
PM2.5
O3
PM10
SO2
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
Clayton
AQI 52
Challis
AQI 52
Stanley
AQI 52
Sun Valley
AQI 14
Ketchum
AQI 14
Mackay
AQI 40
Hailey
AQI 14
Bellevue
AQI 14
Leadore
AQI 30
Moore
AQI 40
Fairfield
AQI 44
Air Matters © 2026