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  5. New Castle

New Castle

Garfield County, Colorado

2026-06-23 02:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
130
PM10
μg/m³
8.9
PM2.5
μg/m³
4.6
Weather
  • ℃
  • ℉
24℃
19%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5

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