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Highest risk cities in Colorado

Highest air quality risk cities in Colorado

Ranked city list for poor air quality and smoke stress. Open any city to view local risk details and live outlook context.

State average

AQI score

22/100

Updated Fri, May 8, 6:26 PM.

Open air quality outlook Browse all CO cities

More state ranking pages

Highest overall weather risk cities Highest flood risk cities Highest wind risk cities Highest lightning risk cities Highest tornado risk cities Highest hail risk cities

National comparisons:

Which state has the highest hurricane risk? →Which states have the highest AQI risk? →Safest states for severe weather →States with the lowest flood exposure →

Ranked cities

Top 25 cities by aqi score.

Open any city for full details

#1

Bennett, CO

1 points above the state average

#2

Byers, CO

1 points above the state average

#3

Crested Butte, CO

1 points above the state average

#4

Gunnison, CO

1 points above the state average

#5

Parker, CO

1 points above the state average

#6

Strasburg, CO

1 points above the state average

#7

Aristocrat Ranchettes, CO

at the state average

#8

Ault, CO

at the state average

#9

Aurora, CO

at the state average

#10

Breckenridge, CO

at the state average

#11

Buena Vista, CO

at the state average

#12

Eaton, CO

at the state average

#13

Elizabeth, CO

at the state average

#14

Estes Park, CO

at the state average

#15

Evans, CO

at the state average

#16

Evergreen, CO

at the state average

#17

Frisco, CO

at the state average

#18

Genesee, CO

at the state average

#19

Golden, CO

at the state average

#20

Granby, CO

at the state average

#21

Greeley, CO

at the state average

#22

Idaho Springs, CO

at the state average

#23

Indian Hills, CO

at the state average

#24

Keenesburg, CO

at the state average

#25

Ken Caryl, CO

at the state average

How this ranking works

Rankings use HomeRiskIQ weather risk data and statewide score snapshots.

Scores are normalized to a 0-100 scale and shown against the state average for context.

City entries link to hazard-specific pages where available, otherwise to the city overview.