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  5. Union City

Union City

Erie County, Pennsylvania

2026-06-21 07:00
AQI (China)
Excellent
Pollutants
PM2.5
μg/m³
11.4
O3
μg/m³
35.7
PM10
μg/m³
6.1
Weather
  • ℃
  • ℉
13℃
93%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM2.5
  • O3
  • PM10

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