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AirHistory

What Is the Air Quality in Creek, Oklahoma?

Creek, Oklahoma has an Air Quality Grade of C (fair) with a 5-year median AQI of 39. The dominant pollutant is Ground-Level Ozone, and air quality has been worsening over the past decade.

Creek, Oklahoma Air Quality Snapshot

Air Quality GradeC62/100
5-Year Median AQI39 (Good)
Most Recent Median AQI (2023)44 (Good)
Dominant PollutantGround-Level Ozone
10-Year TrendWorsening (+0.55 AQI/yr)
Unhealthy Days (last 5 yr)7
National Rank (cleanest = #1)#417 of 1,020 (41th cleanest percentile)
Oklahoma Rank#5 of 22

What Does the C Grade Mean?

Creek, Oklahoma earns a C — air quality is fair, but not great. With a 5-year median AQI of 39, the city sees a meaningful number of "Moderate" days each year, when the EPA flags air as a concern for unusually sensitive people.

Creek, Oklahoma's 5-year median AQI of 39 is 2 points below the national average of 41 — meaningfully cleaner than the typical U.S. metro tracked here. Within Oklahoma, Creek, Oklahoma runs cleaner than the state average of 42 — a positive signal that local conditions (terrain, wind patterns, emission sources) are working in residents' favor.

For context within Oklahoma: Muskogee, Oklahoma currently holds the state's cleanest grade (A, AQI 18), while Oklahoma, Oklahoma sits at the bottom (C, AQI 53).

What's in Creek, Oklahoma's Air?

The dominant pollutant in Creek, Oklahoma is Ground-Level Ozone. Ground-level ozone forms when sunlight reacts with vehicle exhaust and industrial emissions. It is worst on hot, sunny, stagnant summer days. Ozone irritates the lungs, triggers asthma attacks, and reduces lung function — even healthy adults can feel chest tightness and shortness of breath after exercising in elevated ozone.

Days by Dominant Pollutant (2023)

PollutantDays as DominantShare of Year
Ground-Level Ozone249100%

Is the Air Getting Better or Worse?

Air quality in Creek, Oklahoma has been getting worse over the past decade, with median AQI climbing by roughly 0.6 points per year. That bucks the national trend of broad improvement, and most often reflects either growing wildfire smoke exposure (particularly across the West) or rising local emissions from population and freight growth.

In 2014, Creek, Oklahoma posted a median AQI of 37. By 2023 that figure was 44 — a rise of 7 AQI points dirtier across 10 years of EPA records.

Year-by-Year AQI in Creek, Oklahoma

YearMedian AQIGood DaysUnhealthy DaysDominant Pollutant
2014373200Ozone
2015363220Ozone
2016393010Ozone
2017393230Ozone
2018363031Ozone
2019363311Ozone
2020353500Ozone
2021373051Ozone
2022432202Ozone
2023441963Ozone

Health Context for Creek, Oklahoma

Across the past five years, this area has logged just 7 days where AQI rose into the "Unhealthy for Sensitive Groups" range or worse — about 1 days per year, or roughly one every other month. That is a low count by national standards.

Healthy adults can continue normal outdoor activity in most weather, but should pay attention to AQI alerts during the worst pollution windows. People with asthma, heart disease, or pregnancy should reduce prolonged or intense outdoor exertion on flagged days, and consider running an indoor HEPA air cleaner during peak season. Because ozone peaks in the afternoon on hot sunny days, plan outdoor exercise for early morning or after sunset on bad-air days.

How This Grade Is Calculated

The AirHistory Air Quality Grade combines four signals: the 5-year median AQI (40% of the score), the 10-year trend direction (30%), the count of unhealthy days per year (20%), and the dominant pollutant type (10%). All four come directly from the EPA Air Quality System (AQS), which aggregates readings from federally certified monitors. Read the full methodology.

Creek, Oklahoma has an Air Quality Grade of C (fair) with a 5-year median AQI of 39. The dominant pollutant is Ground-Level Ozone, and air quality has been worsening over the past decade.

The data source behind this answer is the EPA Air Quality System (AQS). Every figure on the page traces back to that source; the methodology page describes the inputs and the refresh cadence in full detail.

For readers turning this answer into action: cross-reference against the underlying the EPA Air Quality System (AQS) record before acting on time-sensitive decisions. The site renders the data as it was published; subsequent revisions can shift the picture, and the live federal data is always the authoritative current reference.

Source: EPA Outdoor Air Quality Data, 2026.