Toggle navigation
Places
AQI (China)
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
Pennsylvania
Watsontown
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Watsontown
Northumberland County, Pennsylvania
2026-06-21 07:00
AQI (China)
Excellent
Pollutants
|
Pollens
O3
μg/m³
66.5
NO2
μg/m³
15.7
PM10
μg/m³
6.7
PM2.5
μg/m³
4.2
CO
μg/m³
262.8
SO2
μg/m³
1.1
Pollen
5.3
Weather
℃
℃
℉
14℃
91%
4 kph
0 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
Pollen
O3
NO2
PM10
PM2.5
CO
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
Watsontown
AQI 21
McEwensville
AQI 21
Turbotville
AQI 21
Milton
AQI 19
Montgomery
AQI 22
Linntown
AQI 14
Muncy
AQI 15
Washingtonville
AQI 20
Montoursville
AQI 21
South Williamsport
AQI 5
Williamsport
AQI 5
Air Matters © 2026