Oklahoma City Air Quality in July

Across 2019–2025, Oklahoma City's July air quality had a median AQI of 61 (Moderate) over 217 monitored days in the Oklahoma City, OK area. 2.8% of July days (6 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 56.2% of days. The cleanest July on record here was 2025 (median AQI 54, 0 days above 100) and the worst was 2024 (median 67, 2 days above 100, peak AQI 119).

61
Median AQI
Moderate
2.8%
Days above AQI 100
6 of 217 days
87
90th percentile AQI
worst 1 day in 10
126
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
56.2% of days
20.3%
Good days
44 of 217
  • Good: 20.3%
  • Moderate: 77.0%
  • Unhealthy for Sensitive Groups: 2.8%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Oklahoma City in July?

Moderate on a typical day: median AQI 61 across 2019–2025, with 2.8% of July days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 20.3% of July days were Good (AQI 0–50), 77.0% Moderate (51–100).
  • 6 days of 217 reached AQI 101+; the July peak was 126.
  • Best July: 2025; worst July: 2024.

Frequently asked questions

What is the air quality like in Oklahoma City in July?

Across 2019–2025, the median daily AQI in Oklahoma City in July was 61 (Moderate). 20.3% of days were Good, 77.0% Moderate, and 2.8% 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 Oklahoma City?

A typical July day in Oklahoma City 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 36 of July days (2.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Oklahoma City's July air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 56.2% of July days in Oklahoma City. The highest July AQI recorded in 2019–2025 was 126 (Unhealthy for Sensitive Groups), in 2024.

Oklahoma City July air quality, year by year

Oklahoma City July air quality by year (Oklahoma City, OK, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
201931561105O3
20203158087PM2.5
202131661102PM2.5
202231621126O3
202331631112O3
2024worst31672119O3
2025cleanest3154078PM2.5

What July air means in Oklahoma City

A typical July day in Oklahoma City 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 36 of July days (2.8%) 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 Oklahoma City's whole-year median of 54, 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 Oklahoma City runs above the national July norm; 2.8% of its July days topped AQI 100 versus 3.6% nationally (about the same).

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

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

Right now in Oklahoma City

The latest EPA AirNow observation puts Oklahoma City's AQI at 73 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Oklahoma City air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Oklahoma City, OK), 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.