Fort Collins Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Fort Collins
Last Updated: 2026-08-08 19:01 (Local Time)
31 °C
Patchy rain nearby
Presently, Fort Collins ranks for having the good air quality among cities worldwide.
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Fort Collins
AQI (US) Trends - Annual Air Quality Changes
Fort Collins, Colorado, United States
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Fort Collins
Health Advice For People Living In
Fort Collins
0Cigarettes per day
Breathe easy and get active! The air quality is perfect for enjoying outdoor activities.
Source:
Berkeley Earth
Solutions for Current AQI (US)
Prevent Health Problems: Understand Your Risks
Fort Collins
Asthma
Heart Issues
Allergies
Sinus
Cold/Flu
Chronic (COPD)
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Cheney, Washington
Unhealthy
5xabove Standard
2.
Spokane Valley, Washington
Unhealthy
5xabove Standard
3.
Spokane, Washington
Unhealthy
5xabove Standard
4.
Airway Heights, Washington
Unhealthy
5xabove Standard
5.
Colville, Washington
Unhealthy
4xabove Standard
6.
Nampa, Idaho
Poor
4xabove Standard
7.
Twin Falls, Idaho
Poor
4xabove Standard
8.
Meridian, Idaho
Poor
4xabove Standard
9.
Sandpoint, Idaho
Poor
3xabove Standard
10.
Boise, Idaho
Poor
3xabove Standard
Last Updated: 09 Aug 2026, 01:08 AM
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at Fort Collins
Frequently Asked Questions About Air Quality
1. What is the current AQI (US) level in Fort Collins?
1. What is the current AQI (US) level in Fort Collins?
The current real-time AQI (US) level in Fort Collins is 42 (Good) due to recent rainfall by 0.1mm/hr. This was last updated 2026-08-08 19:01 (Local Time).
2. When was the best AQI (US) level in Fort Collins in the last 24 hours?
2. When was the best AQI (US) level in Fort Collins in the last 24 hours?
The best AQI (US) level was 42 (Good) at 7:01 PM, Aug 8, 2026 (Local Time) during the last 24 hours.
3. When was the worst AQI (US) level in Fort Collins in the last 24 hours?
3. When was the worst AQI (US) level in Fort Collins in the last 24 hours?
The worst AQI (US) level was 63 (Moderate) at 3:31 PM, Aug 8, 2026 (Local Time) during the last 24 hours.
4. What is the current trend of AQI (US) levels in Fort Collins during last 24 hours?
4. What is the current trend of AQI (US) levels in Fort Collins during last 24 hours?
The AQI (US) levels in Fort Collins have been fluctuating throughout the last 24 hours. The levels have increased by highest 63 at 3:31 PM, Aug 8, 2026 (Local Time), lowest 42 at 7:01 PM, Aug 8, 2026 (Local Time).
5. What actions are recommended as per the current AQI (US) level in Fort Collins?
5. What actions are recommended as per the current AQI (US) level in Fort Collins?
The air quality is satisfactory, and air pollution poses little or no risk. No special precautions are needed; enjoy outdoor activities freely.
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