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  4. Collin County
  5. Allen

Allen

Collin County, Texas

2026-09-24 02:00
CAQI (Europe)
Medium
Pollutants|Pollens
O3
μg/m³
137.4
PM2.5
μg/m³
5.4
PM10
μg/m³
6.2
Weather
  • ℃
  • ℉
31℃
55%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM2.5
  • PM10

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