🏃 Outdoor Running Guide • Saturday, April 4
Best Time to Run in Boulder
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CAUTION
Fair conditions. Keep your run light.
Optimal Running Window
🏃 10:00 AM - 1:00 PM
Air quality is moderate. The best window is 10:00 AM - 1:00 PM. Sensitive groups should reduce intensity.
📊 24-Hour Forecast
12:00 AM
AQI: 56
12AM
1:00 AM
AQI: 61
2:00 AM
AQI: 54
3:00 AM
AQI: 52
4:00 AM
AQI: 57
5:00 AM
AQI: 55
6:00 AM
AQI: 65
6AM
7:00 AM
AQI: 67
8:00 AM
AQI: 82
9:00 AM
AQI: 74
10:00 AM
AQI: 68
11:00 AM
AQI: 70
12:00 PM
AQI: 68
12PM
1:00 PM
AQI: 71
2:00 PM
AQI: 79
3:00 PM
AQI: 78
4:00 PM
AQI: 83
5:00 PM
AQI: 84
6:00 PM
AQI: 79
6PM
7:00 PM
AQI: 67
8:00 PM
AQI: 64
9:00 PM
AQI: 61
10:00 PM
AQI: 66
11:00 PM
AQI: 63
12 AM 6 AM 12 PM 6 PM 11 PM
🩺 My Health Risk Assessment
See how Boulder's air quality affects you and your family specifically.
Current Risk Level
Low Risk
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Health Advice
Enjoy the outdoors! Air quality is great.
Est. Annual "Risky Days" for you:
~0 days/year