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  4. Weld County

Weld County

Colorado

2025-12-13 07:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
24.6
PM2.5
μg/m³
6.5
PM10
μg/m³
8.9
NO2
μg/m³
5.5
CO
μg/m³
125
Weather
  • ℃
  • ℉
0℃
90%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
Places included
Ault
AQI 15
Dacono
AQI 10
Eaton
AQI 15
Erie
AQI 16
Evans
AQI 15
Firestone
AQI 10
Frederick
AQI 10
Gilcrest
AQI 10
Greeley
AQI 20
Grover
AQI 65
Hudson
AQI 10
Kersey
AQI 15
La Salle
AQI 15
La Salle Tower
AQI 30
Milliken
AQI 10
Northglenn
AQI 29
Pierce
AQI 7
Platteville
AQI 10
Severance
AQI 7
Windsor
AQI 7
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evans
AQI 15
Greeley
AQI 20
La Salle
AQI 15
Kersey
AQI 15
Gilcrest
AQI 10
Milliken
AQI 10
Eaton
AQI 15
Windsor
AQI 7
Severance
AQI 7
Ault
AQI 15
Platteville
AQI 10