Median AQI
36
Good
Florida · County air quality · 2025
Okaloosa County, Florida
Median AQI 36 (Good). 93.9% of monitored days rated Good, direct from EPA Air Quality System stations.
- 36
- Median AQI
- 93.9%
- Good-air days
- 0
- Unhealthy days
- 89%
- Cleaner than US counties
Okaloosa County's 2025 annual median AQI is 36 (Good), with 93.9% Good days
According to the U.S. EPA Air Quality System, Okaloosa County, Florida posted a 2025 median AQI of 36 (Good) across 360 monitored days, with 93.9% 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
- Okaloosa County's 93.9% Good-day share places it cleaner than 89% of US counties in 2025.
- Closest median-AQI peer
- Ashland County (81.6% Good, median AQI 36) is the closest nationwide median-AQI peer to Okaloosa County.
- 2020–2025 trend
- Okaloosa County's floor-qualifying Good-day share is worsening from 2020 to 2025 (97.5% → 93.9%).
- Median AQI
- Median AQI: 36
The verdict
According to EPA Air Quality System monitoring data, Okaloosa County's air is good on balance, cleaner than most US counties, a median AQI of 36 with 93.9% of 360 monitored days in the Good band, driven mainly by Ozone.
- 36
- median AQI · Good
- 93.9%
- days rated Good
- Ozone
- main pollutant
- 89%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 84.
Annual release change
What changed in the 2025 EPA annual release
- Okaloosa County's peak single-day AQI rose from 74 to 84 between the 2024 and 2025 EPA annual releases, a change of +10 points.
Data updated August 2026
- Good · 338 d · 93.9%
- Moderate · 22 d · 6.1%
How did Okaloosa County's air break down in 2025?
Across 360 monitored days, 338 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 84 (Moderate).
EPA AQS →Air quality data from EPA Air Quality System (2025). 360 days monitored. Median AQI: 36 (Good).
Insights: Okaloosa County, Florida. EPA monitors recorded a median Air Quality Index of 36 across 360 measured days in 2025, earning a Good classification and a Excellent health grade. Of those days, 338 (94%) fell in the Good band (AQI 0–50), 22 (6%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 48, while the worst single-day peak hit 84 (Moderate). Residents averaged about 28.2 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as Ozone (326 days), PM10 (34 days). Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -3.6 points and the median AQI moved +2 points, placing the multi-year trajectory at worsening. The worst single reading over the 2020–2025 window was AQI 84, moderate but never Unhealthy. Nearby counties show comparable readings: Alachua (88.7% good, AQI 37); Baker (69.5% good, AQI 44); Bay (66.4% good, AQI 44); Brevard (91.2% good, AQI 38); Broward (73.4% good, AQI 43); Citrus (71.1% good, AQI 43).
Air Quality Summary
Good Days
93.9%
338 of 360 monitored days
18.9pp vs 75% target
Max AQI Recorded
84
Moderate
Health Grade
Excellent
90th-pct AQI 48
Okaloosa County, Good days share 93.9%
National avg
Share of monitored days at AQI 0-50 (Good band).
Okaloosa 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 (2025)
Distribution of 360 monitored days across EPA AQI categories.
Good
338
94%
Moderate
22
6%
USG
0
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 Okaloosa County.
- Ozone · 326 days · 90.6%
- PM10 · 34 days · 9.4%
Health Impact Assessment
Excellent
Okaloosa County's air quality is rated Excellent based on 93.9% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 93.9% of monitored days in 2025, with a median AQI of 36. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is Ozone, driving AQI on 326 of 360 monitored days.
5-Year Air Quality Trend
Air quality is worsening in Okaloosa County. Highest Good-day share: 2021 (98.4%, 359 of 365 monitored days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 355 | 9 | 0 | 0 | 34 | 74 |
| 2021 | 359 | 6 | 0 | 0 | 33 | 61 |
| 2022 | 155 | 15 | 0 | 0 | 39 | 84 |
| 2023 | 218 | 23 | 0 | 0 | 37 | 84 |
| 2024 | 341 | 25 | 0 | 0 | 36 | 74 |
| 2025 | 338 | 22 | 0 | 0 | 36 | 84 |
How does Okaloosa County compare?
How Okaloosa County compares
Good-day share better than typical
Okaloosa County 93.9%
Ashland County, Wisconsin 81.6%
Typical US county 76.0%
Median AQI better than typical
Okaloosa County 36
Ashland County, Wisconsin 36
Typical US county 39
Unhealthy days / yr better than typical
Okaloosa County 0
Ashland County, Wisconsin 8
Typical US county 1
Counties with a similar median AQI
Nationwide peers within about the same annual median AQI as Okaloosa County (36), not geographic neighbors.
Ashland County, Wisconsin
Median AQI 36 · 81.6% Good-day share
Atlantic County, New Jersey
Median AQI 36 · 82.2% Good-day share
Bannock County, Idaho
Median AQI 36 · 88.8% Good-day share
Barnstable County, Massachusetts
Median AQI 36 · 93.7% Good-day share
Beltrami County, Minnesota
Median AQI 36 · 79.1% Good-day share
Benton County, Washington
Median AQI 36 · 80.3% 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).
St. James County, Louisiana
93.9% Good-day share · median AQI 33
Rockbridge County, Virginia
93.9% Good-day share · median AQI 36
Dutchess County, New York
94.0% Good-day share · median AQI 34
Leavenworth County, Kansas
94.0% Good-day share · median AQI 34
Monroe County, Missouri
94.0% Good-day share · median AQI 35
Clark County, Illinois
93.8% Good-day share · median AQI 33
Florida counties on the map
Geographic containment only, other monitored counties in Florida, independent of AQI or pollutant match.
What Okaloosa 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 36 means for exposure. Health guidance
- See how Okaloosa County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Okaloosa County with its Florida neighbours before drawing a conclusion about the region. All of Florida
Based on 360 EPA-monitored days in 2025; 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 Okaloosa County, Florida? ▼
Okaloosa County has a median Air Quality Index (AQI) of 36, rated "Good." 93.9% of monitored days (338 out of 360) had good air quality in 2025.
What is the main pollutant in Okaloosa County? ▼
The primary pollutant in Okaloosa County is Ozone (O3), which was the main AQI driver on 326 days (91% of monitored days). Can trigger asthma, reduce lung function, and cause chest pain.
How many unhealthy air days does Okaloosa County have? ▼
In 2025, Okaloosa County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 84.
Is the air quality in Okaloosa County getting better or worse? ▼
Air quality in Okaloosa County is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2021 at 98.4% (359 of 365 days). Lowest qualifying Good-day share: 2023 at 90.5% (218 of 241 days).
What does AQI 36 mean for health? ▼
Okaloosa County's median AQI of 36 falls in the "Good" category. See the AQI category guide for what each range means for health.
How does Okaloosa County compare to other counties in Florida? ▼
Okaloosa County has 93.9% good air days. Nearby counties in Florida: Alachua (88.7% good), Baker (69.5% good), Bay (66.4% good), Brevard (91.2% good), Broward (73.4% good), Citrus (71.1% good).
What is the 90th percentile AQI in Okaloosa County? ▼
The 90th percentile AQI for Okaloosa County is 48, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 84 (Moderate).
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 Okaloosa County, Florida · 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.