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  4. Weld County

Weld County

Colorado

2026-06-14 14:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
91.1
PM10
μg/m³
27.9
PM2.5
μg/m³
12.3
NO2
μg/m³
2.9
CO
μg/m³
125
Weather
  • ℃
  • ℉
12℃
71%
12 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
Places included
Ault
AQI 34
Dacono
AQI 11
Eaton
AQI 34
Erie
AQI 14
Evans
AQI 34
Firestone
AQI 7
Frederick
AQI 14
Gilcrest
AQI 34
Greeley
AQI 34
Grover
AQI 14
Hudson
AQI 28
Kersey
AQI 21
La Salle
AQI 34
La Salle Tower
AQI 29
Milliken
AQI 34
Northglenn
AQI 11
Pierce
AQI 34
Platteville
AQI 7
Severance
AQI 34
Windsor
AQI 34
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evans
AQI 34
Greeley
AQI 34
La Salle
AQI 34
Kersey
AQI 21
Gilcrest
AQI 34
Milliken
AQI 34
Eaton
AQI 34
Windsor
AQI 34
Severance
AQI 34
Ault
AQI 34
Platteville
AQI 7