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  4. Weld County

Weld County

Colorado

2026-01-22 14:00
CAQI (Europe)
Low
Pollutants|Pollens
PM10
μg/m³
25.6
O3
μg/m³
30
PM2.5
μg/m³
5.4
NO2
μg/m³
15.8
CO
μg/m³
625
Weather
  • ℃
  • ℉
-12℃
79%
0 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
Places included
Ault
AQI 11
Dacono
AQI 34
Eaton
AQI 11
Erie
AQI 13
Evans
AQI 34
Firestone
AQI 34
Frederick
AQI 34
Gilcrest
AQI 34
Greeley
AQI 11
Grover
AQI 45
Hudson
AQI 34
Kersey
AQI 34
La Salle
AQI 34
La Salle Tower
AQI 21
Milliken
AQI 34
Northglenn
AQI 41
Pierce
AQI 11
Platteville
AQI 34
Severance
AQI 11
Windsor
AQI 11
Data Sources
http://www.airnow.gov/

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Cities Nearby

Evans
AQI 34
Greeley
AQI 11
La Salle
AQI 34
Kersey
AQI 34
Gilcrest
AQI 34
Milliken
AQI 34
Eaton
AQI 11
Windsor
AQI 11
Severance
AQI 11
Ault
AQI 11
Platteville
AQI 34