Charlotte Air Quality in June

Across 2019–2025, Charlotte's June air quality had a median AQI of 55 (Moderate) over 210 monitored days in the Charlotte-Concord-Gastonia, NC-SC area. 3.8% of June days (8 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 57.1% of days. The cleanest June on record here was 2021 (median AQI 43, 0 days above 100) and the worst was 2023 (median 73, 3 days above 100, peak AQI 122).

55
Median AQI
Moderate
3.8%
Days above AQI 100
8 of 210 days
93
90th percentile AQI
worst 1 day in 10
126
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
57.1% of days
35.7%
Good days
75 of 210
  • Good: 35.7%
  • Moderate: 60.5%
  • Unhealthy for Sensitive Groups: 3.8%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Charlotte in June?

Moderate on a typical day: median AQI 55 across 2019–2025, with 3.8% of June days above AQI 100. Ground-level ozone is the main driver.

  • 35.7% of June days were Good (AQI 0–50), 60.5% Moderate (51–100).
  • 8 days of 210 reached AQI 101+; the June peak was 126.
  • Best June: 2021; worst June: 2023.

Frequently asked questions

What is the air quality like in Charlotte in June?

Across 2019–2025, the median daily AQI in Charlotte in June was 55 (Moderate). 35.7% of days were Good, 60.5% Moderate, and 3.8% 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 Charlotte?

A typical June day in Charlotte is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 26 of June days (3.8%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Charlotte's June air quality problems?

Ground-level ozone set the daily AQI on 57.1% of June days in Charlotte. The highest June AQI recorded in 2019–2025 was 126 (Unhealthy for Sensitive Groups), in 2023.

Charlotte June air quality, year by year

Charlotte June air quality by year (Charlotte-Concord-Gastonia, NC-SC, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
201930571108O3
20203053096PM2.5
2021cleanest3043093O3
202230662126O3
2023worst30733122O3
202430552115PM2.5
20253058093PM2.5

What June air means in Charlotte

A typical June day in Charlotte is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 26 of June days (3.8%) 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 55 is in line with Charlotte'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 Charlotte runs above the national June norm; 3.8% of its June days topped AQI 100 versus 3.7% nationally (about the same).

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

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

Right now in Charlotte

The latest EPA AirNow observation puts Charlotte's AQI at 73 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Charlotte air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Charlotte-Concord-Gastonia, NC-SC), 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.