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  5. Allen

Allen

Collin County, Texas

2026-05-19 20:00
AQI (China)
Excellent
Pollutants|Pollens
PM2.5
μg/m³
18.8
O3
μg/m³
68
PM10
μg/m³
14.7
Weather
  • ℃
  • ℉
21℃
88%
8 kph
2 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM2.5
  • O3
  • PM10

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