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

According to the 2025 EPA AQS county release on PlainAirData, Okaloosa County, Florida ranks #233 of 951 by median AQI (36) and #103 by good-day share (93.9%). Ponce County, Puerto Rico is #1 of 951 by median AQI (3, 91.4% Good days) at good-day-share #159 ≠ largest of 7 at 100.0% Good days #1 by good-day share (100.0%, median AQI 9) at median-AQI #7.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • 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.

Compared against 366 monitored days in 2024 and 360 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Data updated August 2026

Okaloosa County AQI category distribution Stacked-segment bar showing the share of monitored days that fell in each EPA AQI category, Good, Moderate, USG, Unhealthy, Very Unhealthy, Hazardous, with median AQI marker. AQI category distribution 360 monitored days G Median AQI 36 0 50 100 150 200 300 500 Okaloosa County
  • 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 →
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).

Where Okaloosa County sits nationally

COUNT-derived placement among 951 US counties with at least 100 monitored days in 2025. Okaloosa County's Good-day share is 93.9% - cleaner than 89% of that comparison set.

Okaloosa County Good-day share vs. every US county

Share of monitored days in the Good band (AQI 0–50) - EPA AQS annual release

93.9% Cleaner than 89% higher than 89% of 951 US counties

0.0%–5.0%: 0 US counties (0%). Below this entry. 5.0%–10.0%: 1 US counties (0%). Below this entry. 10.0%–15.0%: 4 US counties (0%). Below this entry. 15.0%–20.0%: 4 US counties (0%). Below this entry. 20.0%–25.0%: 1 US counties (0%). Below this entry. 25.0%–30.0%: 5 US counties (1%). Below this entry. 30.0%–35.0%: 9 US counties (1%). Below this entry. 35.0%–40.0%: 4 US counties (0%). Below this entry. 40.0%–45.0%: 16 US counties (2%). Below this entry. 45.0%–50.0%: 16 US counties (2%). Below this entry. 50.0%–55.0%: 32 US counties (3%). Below this entry. 55.0%–60.0%: 50 US counties (5%). Below this entry. 60.0%–65.0%: 77 US counties (8%). Below this entry. 65.0%–70.0%: 93 US counties (10%). Below this entry. 70.0%–75.0%: 109 US counties (11%). Below this entry. 75.0%–80.0%: 114 US counties (12%). Below this entry. 80.0%–85.0%: 123 US counties (13%). Below this entry. 85.0%–90.0%: 99 US counties (10%). Below this entry. 90.0%–95.0%: 117 US counties (12%). This entry sits in this band. 95.0%–100.0%: 70 US counties (7%). Above this entry. 100.0%–105.0%: 7 US counties (1%). Above this entry. This county 0.0% 100% every floor-qualified US county, bucketed by value

Each bar is a band; taller bars hold more US counties. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Environmental Protection Agency, Air Quality System (AQS) · 2025

Pollutant Breakdown

Days where each pollutant was the primary driver of AQI readings in Okaloosa County.

Okaloosa County, Florida criteria pollutant distribution Stratified-band visualization showing the share of monitored days each criteria pollutant (PM2.5, PM10, O3, NO2, CO) was the primary AQI driver. Ozone · 90.6% 0% 25% 50% 75% 100% Okaloosa County, Florida · 360 monitored days Criteria pollutant column
  • Ozone · 326 days · 90.6%
  • PM10 · 34 days · 9.4%

2024 daily-monitor rhythm in Okaloosa County

Month-by-month median AQI from EPA day-level county monitors (366 reported days in 2024). Apr posted the highest typical readings (median AQI 44, peak 71); Jul was cleanest at median 29. Summer months (Jun–Aug) averaged median AQI 37 vs 35 in Dec–Feb.

0 10 20 30 40 50 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 33 39 40 44 39 39 29 42 31 41 31 32
Okaloosa County median daily AQI by calendar month (2024, EPA daily county file)

Five-year seasonal record

EPA day-level county files · 2020–2024

1,506 daily readings show a recurring local pattern: Apr has the highest matched-month median AQI (43), while Dec is lowest (31). Each cell is that month’s median daily AQI, not a current-air forecast.

JanFebMarAprMayJunJulAugSepOctNovDec
2020 323334444237313328313131
2021 313037414028293134343230
2022 323743433938------
2023 ----4243423938363331
2024 333940443939294231413132

Lower AQI is better. The colors summarize EPA AQI bands; gaps mean the county had no day-level record for that month.

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
2020 355 9 0 0 34
2021 359 6 0 0 33
2022 155 15 0 0 39
2023 218 23 0 0 37
2024 341 25 0 0 36
2025 338 22 0 0 36

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

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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Download this county's annual AQI row as CSV , with the same EPA fields and denominator shown on this page.

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.