1. North America
  2. United States
  3. Pennsylvania
  4. Dauphin County
  5. Williamstown

Williamstown

Dauphin County, Pennsylvania

2026-05-22 23:00
AQI (India)
Satisfactory
Pollutants
O3
μg/m³
92.3
PM10
μg/m³
12.5
PM2.5
μg/m³
5.9
Weather
  • ℃
  • ℉
14℃
63%
12 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • PM10
  • 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

Cities Nearby

Williamstown
AQI 93
Tower City
AQI 96
Reinerton
AQI 96
Lykens
AQI 78
Orwin
AQI 9
Gratz
AQI 78
Valley View
AQI 60
Fort Indiantown Gap
AQI 10
Berrysburg
AQI 50
Elizabethville
AQI 79
Pillow
AQI 14