Oklahoma City Air Quality in Summer
Across 2019–2025, Oklahoma City's summer (June–August) air quality had a median AQI of 59 (Moderate) over 644 monitored days in the Oklahoma City, OK area. 6.5% of summer days (42 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 50.6% of days. The cleanest summer on record here was 2025 (median AQI 54, 2 days above 100) and the worst was 2024 (median 65, 12 days above 100, peak AQI 136).
- Good: 21.0%
- Moderate: 72.5%
- Unhealthy for Sensitive Groups: 6.5%
- Unhealthy or worse: 0.0%
Extra Protection for Oklahoma City Homes
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.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Oklahoma City in summer?
Moderate on a typical day: median AQI 59 across 2019–2025, with 6.5% of summer days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓21.0% of summer days were Good (AQI 0–50), 72.5% Moderate (51–100).
- ✓42 days of 644 reached AQI 101+; the summer peak was 143.
- ✓Cleanest month: July; worst month: August.
Frequently asked questions
What is the air quality like in Oklahoma City in summer?▾
Across 2019–2025, the median daily AQI in Oklahoma City in summer was 59 (Moderate). 21.0% of days were Good, 72.5% Moderate, and 6.5% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.
Is summer a good time for outdoor exercise in Oklahoma City?▾
A typical summer 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 15 of summer days (6.5%) 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 summer air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 50.6% of summer days in Oklahoma City. The highest summer AQI recorded in 2019–2025 was 143 (Unhealthy for Sensitive Groups), in 2024.
Oklahoma City summer air quality, year by year
Oklahoma City summer air quality by year (Oklahoma City, OK, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 92 | 55 | 2 | 119 | O3 |
| 2020 | 92 | 61 | 4 | 121 | PM2.5 |
| 2021 | 92 | 60 | 7 | 140 | PM2.5 |
| 2022 | 92 | 61 | 4 | 126 | O3 |
| 2023 | 92 | 67 | 11 | 143 | O3 |
| 2024worst | 92 | 65 | 12 | 136 | O3 |
| 2025cleanest | 92 | 54 | 2 | 108 | PM2.5 |
What summer air means in Oklahoma City
A typical summer 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 15 of summer days (6.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Summer'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 Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Oklahoma City runs above the national Summer norm; 6.5% of its Summer days topped AQI 100 versus 3.6% nationally (above average).
Within the season, July is the cleanest month (median AQI 61, 2.8% of days above 100) and August the worst (median 58, 9.7% above 100).
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 season 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.