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  4. Collin County
  5. Allen

Allen

Collin County, Texas

2026-05-03 22:00
AQHI (Canada)
Insufficient Data
Pollutants|Pollens
O3
μg/m³
131.5
PM10
μg/m³
14.7
PM2.5
μg/m³
4.1
Weather
  • ℃
  • ℉
28℃
33%
27 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM10
  • PM2.5

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