1. North America
  2. United States
  3. Colorado
  4. Garfield County
  5. New Castle

New Castle

Garfield County, Colorado

2026-06-28 23:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
125.8
PM10
μg/m³
6.7
PM2.5
μg/m³
3
Weather
  • ℃
  • ℉
29℃
23%
43 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

New Castle
AQI 138
Silt
AQI 140
Glenwood Springs
AQI 6
Rifle
AQI 143
Carbondale
AQI 5
El Jebel
AQI 77
Parachute
AQI 14
Basalt
AQI 99
Gypsum
AQI 4
Collbran
AQI 59
Meeker
AQI 14