Pittsburgh Air Quality in June
Across 2019–2025, Pittsburgh's June air quality had a median AQI of 63 (Moderate) over 210 monitored days in the Pittsburgh, PA area. 8.6% of June days (18 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 63.8% of days. The cleanest June on record here was 2019 (median AQI 56, 0 days above 100) and the worst was 2023 (median 94, 14 days above 100, peak AQI 237).
- Good: 19.0%
- Moderate: 72.4%
- Unhealthy for Sensitive Groups: 6.7%
- Unhealthy or worse: 1.9%
Extra Protection for Pittsburgh Homes
Air quality in Pittsburgh is moderate (AQI 56), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
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How is the air in Pittsburgh in June?
Moderate on a typical day: median AQI 63 across 2019–2025, with 8.6% of June days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓19.0% of June days were Good (AQI 0–50), 72.4% Moderate (51–100).
- ✓18 days of 210 reached AQI 101+; the June peak was 237.
- ✓Best June: 2019; worst June: 2023.
Frequently asked questions
What is the air quality like in Pittsburgh in June?▾
Across 2019–2025, the median daily AQI in Pittsburgh in June was 63 (Moderate). 19.0% of days were Good, 72.4% Moderate, and 8.6% 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 Pittsburgh?▾
A typical June day in Pittsburgh is Moderate (median AQI 63): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 12 of June days (8.6%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Pittsburgh's June air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 63.8% of June days in Pittsburgh. The highest June AQI recorded in 2019–2025 was 237 (Very Unhealthy), in 2023.
Pittsburgh June air quality, year by year
Pittsburgh June air quality by year (Pittsburgh, PA, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019cleanest | 30 | 56 | 0 | 90 | PM2.5 |
| 2020 | 30 | 57 | 0 | 97 | PM2.5 |
| 2021 | 30 | 60 | 0 | 100 | PM2.5 |
| 2022 | 30 | 65 | 2 | 122 | O3 |
| 2023worst | 30 | 94 | 14 | 237 | PM2.5 |
| 2024 | 30 | 62 | 0 | 100 | O3 |
| 2025 | 30 | 63 | 2 | 131 | PM2.5 |
What June air means in Pittsburgh
A typical June day in Pittsburgh is Moderate (median AQI 63): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 12 of June days (8.6%) 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 63 is above Pittsburgh's whole-year median of 58, making it one of the area's dirtier periods. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so Pittsburgh runs above the national June norm; 8.6% of its June days topped AQI 100 versus 3.7% nationally (above average).
June is part of Pittsburgh's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Pittsburgh
The latest EPA AirNow observation puts Pittsburgh's AQI at 56 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Pittsburgh air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Pittsburgh, PA), 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.