Tulsa Air Quality in January

Across 2019–2025, Tulsa's January air quality had a median AQI of 46 (Good) over 217 monitored days in the Tulsa, OK area. 0.5% of January days (1 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 80.2% of days. The cleanest January on record here was 2025 (median AQI 37, 0 days above 100) and the worst was 2023 (median 52, 1 day above 100, peak AQI 112).

46
Median AQI
Good
0.5%
Days above AQI 100
1 of 217 days
62
90th percentile AQI
worst 1 day in 10
112
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
80.2% of days
55.3%
Good days
120 of 217
  • Good: 55.3%
  • Moderate: 44.2%
  • Unhealthy for Sensitive Groups: 0.5%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Tulsa in January?

Good on a typical day: median AQI 46 across 2019–2025, with 0.5% of January days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 55.3% of January days were Good (AQI 0–50), 44.2% Moderate (51–100).
  • 1 day of 217 reached AQI 101+; the January peak was 112.
  • Best January: 2025; worst January: 2023.

Frequently asked questions

What is the air quality like in Tulsa in January?

Across 2019–2025, the median daily AQI in Tulsa in January was 46 (Good). 55.3% of days were Good, 44.2% Moderate, and 0.5% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is January a good time for outdoor exercise in Tulsa?

A typical January day in Tulsa sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

Which pollutant causes Tulsa's January air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 80.2% of January days in Tulsa. The highest January AQI recorded in 2019–2025 was 112 (Unhealthy for Sensitive Groups), in 2023.

Tulsa January air quality, year by year

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

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193154075PM2.5
20203143062PM2.5
20213155079PM2.5
20223146060PM2.5
2023worst31521112PM2.5
20243140065PM2.5
2025cleanest3137064PM2.5

What January air means in Tulsa

A typical January day in Tulsa sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

January's median AQI of 46 is below Tulsa's whole-year median of 51, making it one of the area's cleaner periods. Nationally, the median January AQI across every EPA metro area (95,602 metro-days, 2019–2025) is 39, so Tulsa runs above the national January norm; 0.5% of its January days topped AQI 100 versus 0.7% nationally (about the same).

January is part of Tulsa's winter season (December, January, February); the winter 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.