Tulsa Air Quality in April

Across 2019–2025, Tulsa's April air quality had a median AQI of 53 (Moderate) over 210 monitored days in the Tulsa, OK area. 1.9% of April days (4 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 49.5% of days. The cleanest April on record here was 2020 (median AQI 51, 0 days above 100) and the worst was 2024 (median 54, 2 days above 100, peak AQI 179).

53
Median AQI
Moderate
1.9%
Days above AQI 100
4 of 210 days
71
90th percentile AQI
worst 1 day in 10
179
Peak AQI
Unhealthy
O3
Main pollutant
49.5% of days
40.5%
Good days
85 of 210
  • Good: 40.5%
  • Moderate: 57.6%
  • Unhealthy for Sensitive Groups: 1.4%
  • Unhealthy or worse: 0.5%

Extra Protection for Tulsa Homes

Air quality in Tulsa is moderate (AQI 68), 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 MightyTrue HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft

Check Price on Amazon →

As an Amazon Associate, we earn from qualifying purchases.

QUICK ANSWER

How is the air in Tulsa in April?

Moderate on a typical day: median AQI 53 across 2019–2025, with 1.9% of April days above AQI 100. Ground-level ozone is the main driver.

  • 40.5% of April days were Good (AQI 0–50), 57.6% Moderate (51–100).
  • 4 days of 210 reached AQI 101+; the April peak was 179.
  • Best April: 2020; worst April: 2024.

Frequently asked questions

What is the air quality like in Tulsa in April?

Across 2019–2025, the median daily AQI in Tulsa in April was 53 (Moderate). 40.5% of days were Good, 57.6% Moderate, and 1.9% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is April a good time for outdoor exercise in Tulsa?

A typical April day in Tulsa is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of April days (1.9%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Tulsa's April air quality problems?

Ground-level ozone set the daily AQI on 49.5% of April days in Tulsa. The highest April AQI recorded in 2019–2025 was 179 (Unhealthy), in 2024.

Tulsa April air quality, year by year

Tulsa April air quality by year (Tulsa, OK, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
201930511101O3
2020cleanest3051087PM2.5
20213055087PM2.5
20223053076PM2.5
202330531110PM2.5
2024worst30542179O3
202530550100O3

What April air means in Tulsa

A typical April day in Tulsa is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 53 of April days (1.9%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

April's median AQI of 53 is in line with Tulsa's whole-year median of 51, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median April AQI across every EPA metro area (100,677 metro-days, 2019–2025) is 44, so Tulsa runs above the national April norm; 1.9% of its April days topped AQI 100 versus 0.7% nationally (above average).

April is part of Tulsa's spring season (March, April, May); the spring page pools all three months.

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

Right now in Tulsa

The latest EPA AirNow observation puts Tulsa's AQI at 68 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Tulsa air quality →

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