Median AQI
43
Good
Oklahoma · County air quality · 2024
Pontotoc County, Oklahoma
Median AQI 43 (Good). 71.6% of monitored days rated Good, direct from EPA Air Quality System stations.
- 43
- Median AQI
- 71.6%
- Good-air days
- 0
- Unhealthy days
- 20%
- Cleaner than US counties
Pontotoc County's 2024 annual median AQI is 43 (Good), with 71.6% Good days
According to the U.S. EPA Air Quality System, Pontotoc County, Oklahoma posted a 2024 median AQI of 43 (Good) across 289 monitored days, with 71.6% rated Good and 0 unhealthy or worse. This is an annual comparison, not today's advisory.
Data source EPA Air Quality System (AQS)
- Cleaner than US
- Pontotoc County's 71.6% Good-day share places it cleaner than 20% of US counties in 2024.
- Closest median-AQI peer
- Jefferson County (81.0% Good, median AQI 42) is the closest nationwide median-AQI peer to Pontotoc County.
- 2022–2024 trend
- Pontotoc County's floor-qualifying Good-day share is worsening from 2022 to 2024 (86.2% → 71.6%).
- Median AQI
- Median AQI: 43
The verdict
According to EPA Air Quality System monitoring data, Pontotoc County's air is good on balance, among the more polluted 10% of US counties, a median AQI of 43 with 71.6% of 289 monitored days in the Good band, driven mainly by Ozone.
- 43
- median AQI · Good
- 71.6%
- days rated Good
- Ozone
- main pollutant
- 20%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 101.
Annual release change
What changed in the 2024 EPA annual release
- Pontotoc County's Good-day share rose from 70.4% to 71.6% between the 2023 and 2024 EPA annual releases, a change of +1.2 percentage points.
Data updated August 2026
- Good · 207 d · 71.6%
- Moderate · 81 d · 28.0%
- USG · 1 d · 0.3%
How did Pontotoc County's air break down in 2024?
Across 289 monitored days, 207 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 101 (USG).
EPA AQS →Air quality data from EPA Air Quality System (2024). 289 days monitored. Median AQI: 43 (Good).
Insights: Pontotoc County, Oklahoma. EPA monitors recorded a median Air Quality Index of 43 across 289 measured days in 2024, earning a Good classification and a Moderate health grade. Of those days, 207 (72%) fell in the Good band (AQI 0–50), 81 (28%) registered Moderate readings, and 1 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 63, while the worst single-day peak hit 101 (USG). Residents averaged about 21.5 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as Ozone (183 days), PM2.5 (105 days), PM10 (1 days). Across the 2022–2024 trend window, the share of monitored days rated Good shifted by -14.6 points (measured against 152 monitored days in 2022 and 289 in 2024, so raw day counts are not comparable) and the median AQI moved +5 points, placing the multi-year trajectory at worsening. The worst single reading over the 2022–2024 window was AQI 101, usg but never Unhealthy. Nearby counties show comparable readings: Adair (55.8% good, AQI 48); Canadian (79.3% good, AQI 43); Carter (81.6% good, AQI 32); Cleveland (56.9% good, AQI 48); Comanche (66.8% good, AQI 44); Creek (80.6% good, AQI 42).
Air Quality Summary
Good Days
71.6%
207 of 289 monitored days
-3.4pp vs 75% target
Max AQI Recorded
101
USG
Health Grade
Moderate
90th-pct AQI 63
Pontotoc County, Good days share 71.6%
National avg
Share of monitored days at AQI 0-50 (Good band).
Pontotoc County, Unhealthy-or-worse share 0.0%
National avg
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
AQI Day Breakdown (2024)
Distribution of 289 monitored days across EPA AQI categories.
Good
207
72%
Moderate
81
28%
USG
1
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Pontotoc County.
- Ozone · 183 days · 63.3%
- PM2.5 · 105 days · 36.3%
- PM10 · 1 days · 0.3%
Health Impact Assessment
Moderate
Pontotoc County's air quality is rated Moderate based on 71.6% good air days. No unhealthy air days were recorded in 2024.
Air quality was acceptable on 71.6% of monitored days in 2024, with a median AQI of 43. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is Ozone, driving AQI on 183 of 289 monitored days.
5-Year Air Quality Trend
Air quality is worsening in Pontotoc County. Highest Good-day share: 2022 (86.2%, 131 of 152 monitored days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2022 | 131 | 20 | 1 | 0 | 38 | 101 |
| 2023 | 252 | 106 | 0 | 0 | 42 | 93 |
| 2024 | 207 | 81 | 1 | 0 | 43 | 101 |
How does Pontotoc County compare?
How Pontotoc County compares
Good-day share worse than US avg
Pontotoc County 71.6%
Jefferson County, Oklahoma 81.0%
US average 76.0%
Median AQI worse than US avg
Pontotoc County 43
Jefferson County, Oklahoma 42
US average 39
Unhealthy days / yr better than US avg
Pontotoc County 0
Jefferson County, Oklahoma 0
US average 1
Counties with a similar median AQI
Nationwide peers within about the same annual median AQI as Pontotoc County (43), not geographic neighbors.
Jefferson County, Oklahoma
Median AQI 42 · 81.0% Good-day share
Johnston County, Oklahoma
Median AQI 44 · 74.7% Good-day share
Yancey County, North Carolina
Median AQI 44 · 81.9% Good-day share
Rio Blanco County, Colorado
Median AQI 46 · 72.7% Good-day share
Big Horn County, Wyoming
Median AQI 39 · 89.2% Good-day share
Chattooga County, Georgia
Median AQI 39 · 96.3% Good-day share
Same primary pollutant: Ozone
Ozone led the AQI on the most monitored days here. These peers share that driver and the closest Good-day share (a second relationship type beyond median-AQI neighbors).
Oklahoma counties on the map
Geographic containment only, other monitored counties in Oklahoma, independent of AQI or pollutant match.
What Pontotoc County's air means for you
The air here stays in the breathable range year-round, with Ozone the main thing to watch.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-Ozone days, the guide explains what a median of 43 means for exposure. Health guidance
- See how Pontotoc County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Pontotoc County with its Oklahoma neighbours before drawing a conclusion about the region. All of Oklahoma
Based on 289 EPA-monitored days in 2024; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
Keep exploring the annual AQI record
Air-quality reading list
Frequently Asked Questions
What is the air quality in Pontotoc County, Oklahoma? ▼
Pontotoc County has a median Air Quality Index (AQI) of 43, rated "Good." 71.6% of monitored days (207 out of 289) had good air quality in 2024.
What is the main pollutant in Pontotoc County? ▼
The primary pollutant in Pontotoc County is Ozone (O3), which was the main AQI driver on 183 days (63% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does Pontotoc County have? ▼
In 2024, Pontotoc County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 101.
Is the air quality in Pontotoc County getting better or worse? ▼
Air quality in Pontotoc County is worsening across floor-qualifying years (2022-2024); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2022 at 86.2% (131 of 152 days). Lowest qualifying Good-day share: 2023 at 70.4% (252 of 358 days).
What does AQI 43 mean for health? ▼
Pontotoc County's median AQI of 43 falls in the "Good" category. See the AQI category guide for what each range means for health.
How does Pontotoc County compare to other counties in Oklahoma? ▼
Pontotoc County has 71.6% good air days. Nearby counties in Oklahoma: Adair (55.8% good), Canadian (79.3% good), Carter (81.6% good), Cleveland (56.9% good), Comanche (66.8% good), Creek (80.6% good).
What is the 90th percentile AQI in Pontotoc County? ▼
The 90th percentile AQI for Pontotoc County is 63, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 101 (USG).
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.
Informational only, not professional advice. Data from EPA AQS. See our disclaimer. Spotted a figure that looks wrong? Report a correction.
Source: U.S. EPA Air Quality System (AQS) Annual AQI by county summary files for Pontotoc County, Oklahoma · 2020–2025
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Every figure on PlainAirData is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.