Colorado Springs Air Quality in July

Across 2019–2025, Colorado Springs's July air quality had a median AQI of 61 (Moderate) over 217 monitored days in the Colorado Springs, CO area. 10.1% of July days (22 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 95.4% of days. The cleanest July on record here was 2020 (median AQI 49, 0 days above 100) and the worst was 2021 (median 97, 13 days above 100, peak AQI 140).

61
Median AQI
Moderate
10.1%
Days above AQI 100
22 of 217 days
100
90th percentile AQI
worst 1 day in 10
166
Peak AQI
Unhealthy
O3
Main pollutant
95.4% of days
26.3%
Good days
57 of 217
  • Good: 26.3%
  • Moderate: 63.6%
  • Unhealthy for Sensitive Groups: 9.2%
  • Unhealthy or worse: 0.9%

Reduce Indoor Ozone in Colorado Springs

Today's main pollutant in Colorado Springs is ground-level ozone (AQI 41). Important: standard HEPA filters do NOT remove ozone — only a purifier with a substantial activated-carbon bed adsorbs it. The biggest wins are cutting indoor sources (gas appliances, certain "ionizer" purifiers) and ventilating when outdoor ozone is low (early morning). A high-carbon unit helps with the gases and VOCs that linger indoors.

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QUICK ANSWER

How is the air in Colorado Springs in July?

Moderate on a typical day: median AQI 61 across 2019–2025, with 10.1% of July days above AQI 100. Ground-level ozone is the main driver.

  • 26.3% of July days were Good (AQI 0–50), 63.6% Moderate (51–100).
  • 22 days of 217 reached AQI 101+; the July peak was 166.
  • Best July: 2020; worst July: 2021.

Frequently asked questions

What is the air quality like in Colorado Springs in July?

Across 2019–2025, the median daily AQI in Colorado Springs in July was 61 (Moderate). 26.3% of days were Good, 63.6% Moderate, and 10.1% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is July a good time for outdoor exercise in Colorado Springs?

A typical July day in Colorado Springs is Moderate (median AQI 61): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 10 of July days (10.1%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Colorado Springs's July air quality problems?

Ground-level ozone set the daily AQI on 95.4% of July days in Colorado Springs. The highest July AQI recorded in 2019–2025 was 166 (Unhealthy), in 2021.

Colorado Springs July air quality, year by year

Colorado Springs July air quality by year (Colorado Springs, CO, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193151090O3
2020cleanest3149097O3
2021worst319713140O3
202231581108O3
20233158097O3
202431808166O3
20253154080O3

What July air means in Colorado Springs

A typical July day in Colorado Springs is Moderate (median AQI 61): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 10 of July days (10.1%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

July's median AQI of 61 is above Colorado Springs's whole-year median of 46, making it one of the area's dirtier periods. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Colorado Springs runs above the national July norm; 10.1% of its July days topped AQI 100 versus 3.6% nationally (above average).

July is part of Colorado Springs's summer season (June, July, August); the summer page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Colorado Springs

The latest EPA AirNow observation puts Colorado Springs's AQI at 41 (O3). The figures above are multi-year month statistics, not today's reading.

View current Colorado Springs air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Colorado Springs, CO), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.