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

Williamstown

Dauphin County, Pennsylvania

2026-05-16 17:00
AQI (India)
Moderately polluted
Pollutants
O3
μg/m³
100.3
PM10
μg/m³
22.5
PM2.5
μg/m³
7
Weather
  • ℃
  • ℉
25℃
43%
10 kph
8 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 101
Tower City
AQI 102
Reinerton
AQI 102
Lykens
AQI 88
Orwin
AQI 11
Gratz
AQI 88
Valley View
AQI 63
Fort Indiantown Gap
AQI 8
Berrysburg
AQI 65
Elizabethville
AQI 103
Pillow
AQI 22