Burlington Air Quality in 2024
In 2024, Burlington's air quality (Burlington-South Burlington, VT area) had a median daily AQI of 37 (Good) across 366 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 323 were Good, and the year's peak AQI was 84 (Moderate). Ground-level ozone set the daily AQI on 271 of those days. The cleanest month of 2024 was November (median AQI 31, 0 days above 100) and the worst was February (median 42, 0 days above 100, peak 58).
- Good: 88.3%
- Moderate: 11.7%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How was Burlington's air quality in 2024?
Good on a typical day: median AQI 37, with 0 days above AQI 100 out of 366 monitored — the 1st cleanest of 7 years on record for the area.
- ✓Peak AQI in 2024: 84 (Moderate).
- ✓Ground-level ozone was the main pollutant on 271 days.
- ✓Cleanest month: November; worst: February.
Frequently asked questions
What was the average AQI in Burlington in 2024?▾
EPA's Air Quality System puts Burlington's (Burlington-South Burlington, VT) median daily AQI for 2024 at 37, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 84.
Which month had the worst air quality in Burlington in 2024?▾
The cleanest month of 2024 was November (median AQI 31, 0 days above 100) and the worst was February (median 42, 0 days above 100, peak 58).
Was 2024 a good or bad year for Burlington's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 1st cleanest by days above AQI 100 — the best year on record here. 2024's median of 37 is in line with the area's typical annual median of 39.
Burlington month by month in 2024
Burlington air quality month by month, 2024 (Burlington-South Burlington, VT, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 36 | 0 | 62 | O3 |
| Februaryworst | 29 | 42 | 0 | 58 | O3 |
| March | 31 | 37 | 0 | 45 | O3 |
| April | 30 | 41 | 0 | 61 | O3 |
| May | 31 | 39 | 0 | 64 | O3 |
| June | 30 | 40 | 0 | 84 | O3 |
| July | 31 | 41 | 0 | 68 | O3 |
| August | 31 | 38 | 0 | 80 | PM2.5 |
| September | 30 | 37 | 0 | 52 | O3 |
| October | 31 | 32 | 0 | 84 | O3 |
| Novembercleanest | 30 | 31 | 0 | 40 | O3 |
| December | 31 | 32 | 0 | 51 | O3 |
How 2024 compares
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 1st cleanest by days above AQI 100 — the best year on record here.
2024's median of 37 is in line with the area's typical annual median of 39.
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 annual 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.