Burlington Air Quality in June
Across 2019–2025, Burlington's June air quality had a median AQI of 41 (Good) over 210 monitored days in the Burlington-South Burlington, VT area. 1.9% of June days (4 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 58.6% of days. The cleanest June on record here was 2022 (median AQI 38, 0 days above 100) and the worst was 2023 (median 45, 3 days above 100, peak AQI 160).
- Good: 80.5%
- Moderate: 17.6%
- Unhealthy for Sensitive Groups: 1.4%
- Unhealthy or worse: 0.5%
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How is the air in Burlington in June?
Good on a typical day: median AQI 41 across 2019–2025, with 1.9% of June days above AQI 100. Ground-level ozone is the main driver.
- ✓80.5% of June days were Good (AQI 0–50), 17.6% Moderate (51–100).
- ✓4 days of 210 reached AQI 101+; the June peak was 160.
- ✓Best June: 2022; worst June: 2023.
Frequently asked questions
What is the air quality like in Burlington in June?▾
Across 2019–2025, the median daily AQI in Burlington in June was 41 (Good). 80.5% of days were Good, 17.6% Moderate, and 1.9% 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 Burlington?▾
A typical June day in Burlington sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 53 of June days (1.9%) reached AQI 101+ in 2019–2025.
Which pollutant causes Burlington's June air quality problems?▾
Ground-level ozone set the daily AQI on 58.6% of June days in Burlington. The highest June AQI recorded in 2019–2025 was 160 (Unhealthy), in 2023.
Burlington June air quality, year by year
Burlington June air quality by year (Burlington-South Burlington, VT, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 39 | 0 | 54 | O3 |
| 2020 | 30 | 39 | 0 | 54 | PM2.5 |
| 2021 | 30 | 46 | 0 | 84 | O3 |
| 2022cleanest | 30 | 38 | 0 | 58 | O3 |
| 2023worst | 30 | 45 | 3 | 160 | PM2.5 |
| 2024 | 30 | 40 | 0 | 84 | O3 |
| 2025 | 30 | 42 | 1 | 106 | O3 |
What June air means in Burlington
A typical June day in Burlington sits in the Good range (median AQI 41), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 53 of June days (1.9%) reached AQI 101+ in 2019–2025.
June's median AQI of 41 is in line with Burlington's whole-year median of 39, 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 Burlington runs below the national June norm; 1.9% of its June days topped AQI 100 versus 3.7% nationally (below average).
June is part of Burlington's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Burlington
The latest EPA AirNow observation puts Burlington's AQI at 27 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Burlington air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Burlington-South Burlington, VT), 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.