Oklahoma City Air Quality in June

Across 2019–2025, Oklahoma City's June air quality had a median AQI of 59 (Moderate) over 210 monitored days in the Oklahoma City, OK area. 7.1% of June days (15 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 54.8% of days. The cleanest June on record here was 2019 (median AQI 55, 0 days above 100) and the worst was 2023 (median 68, 3 days above 100, peak AQI 115).

59
Median AQI
Moderate
7.1%
Days above AQI 100
15 of 210 days
93
90th percentile AQI
worst 1 day in 10
140
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
54.8% of days
24.8%
Good days
52 of 210
  • Good: 24.8%
  • Moderate: 68.1%
  • Unhealthy for Sensitive Groups: 7.1%
  • Unhealthy or worse: 0.0%

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Air quality in Oklahoma City is moderate (AQI 73), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.

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QUICK ANSWER

How is the air in Oklahoma City in June?

Moderate on a typical day: median AQI 59 across 2019–2025, with 7.1% of June days above AQI 100. Ground-level ozone is the main driver.

  • 24.8% of June days were Good (AQI 0–50), 68.1% Moderate (51–100).
  • 15 days of 210 reached AQI 101+; the June peak was 140.
  • Best June: 2019; worst June: 2023.

Frequently asked questions

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

Across 2019–2025, the median daily AQI in Oklahoma City in June was 59 (Moderate). 24.8% of days were Good, 68.1% Moderate, and 7.1% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is June a good time for outdoor exercise in Oklahoma City?

A typical June day in Oklahoma City is Moderate (median AQI 59): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 14 of June days (7.1%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

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

Ground-level ozone set the daily AQI on 54.8% of June days in Oklahoma City. The highest June AQI recorded in 2019–2025 was 140 (Unhealthy for Sensitive Groups), in 2023.

Oklahoma City June air quality, year by year

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

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest30550100O3
202030643121PM2.5
202130583140PM2.5
202230642108O3
2023worst30683115O3
202430583129O3
202530541108O3

What June air means in Oklahoma City

A typical June day in Oklahoma City is Moderate (median AQI 59): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 14 of June days (7.1%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

June's median AQI of 59 is above Oklahoma City's whole-year median of 54, making it one of the area's dirtier periods. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Oklahoma City runs above the national June norm; 7.1% of its June days topped AQI 100 versus 3.7% nationally (above average).

June 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.