Jacksonville Air Quality in June

Across 2019–2025, Jacksonville's June air quality had a median AQI of 52 (Moderate) over 210 monitored days in the Jacksonville, FL area. 1.0% of June days (2 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 82.9% of days. The cleanest June on record here was 2024 (median AQI 50, 0 days above 100) and the worst was 2020 (median 52, 2 days above 100, peak AQI 140).

52
Median AQI
Moderate
1.0%
Days above AQI 100
2 of 210 days
67
90th percentile AQI
worst 1 day in 10
140
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
82.9% of days
42.4%
Good days
89 of 210
  • Good: 42.4%
  • Moderate: 56.7%
  • Unhealthy for Sensitive Groups: 1.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Jacksonville in June?

Moderate on a typical day: median AQI 52 across 2019–2025, with 1.0% of June days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 42.4% of June days were Good (AQI 0–50), 56.7% Moderate (51–100).
  • 2 days of 210 reached AQI 101+; the June peak was 140.
  • Best June: 2024; worst June: 2020.

Frequently asked questions

What is the air quality like in Jacksonville in June?

Across 2019–2025, the median daily AQI in Jacksonville in June was 52 (Moderate). 42.4% of days were Good, 56.7% Moderate, and 1.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is June a good time for outdoor exercise in Jacksonville?

A typical June day in Jacksonville is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of June days (1.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Jacksonville's June air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 82.9% of June days in Jacksonville. The highest June AQI recorded in 2019–2025 was 140 (Unhealthy for Sensitive Groups), in 2020.

Jacksonville June air quality, year by year

Jacksonville June air quality by year (Jacksonville, FL, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193054093PM2.5
2020worst30522140PM2.5
20213051065PM2.5
20223052084PM2.5
20233054077PM2.5
2024cleanest3050097PM2.5
20253052077PM2.5

What June air means in Jacksonville

A typical June day in Jacksonville is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 100 of June days (1.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

June's median AQI of 52 is in line with Jacksonville's whole-year median of 52, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Jacksonville runs above the national June norm; 1.0% of its June days topped AQI 100 versus 3.7% nationally (below average).

June is part of Jacksonville's summer season (June, July, August); the summer page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Jacksonville

The latest EPA AirNow observation puts Jacksonville's AQI at 34 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Jacksonville air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Jacksonville, FL), 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.