Burlington Air Quality in November

Across 2019–2025, Burlington's November air quality had a median AQI of 34 (Good) over 210 monitored days in the Burlington-South Burlington, VT area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 70.5% of days. The cleanest November on record here was 2024 (median AQI 31, 0 days above 100) and the worst was 2022 (median 36, 0 days above 100, peak AQI 53).

34
Median AQI
Good
0.0%
Days above AQI 100
0 of 210 days
52
90th percentile AQI
worst 1 day in 10
72
Peak AQI
Moderate
O3
Main pollutant
70.5% of days
87.6%
Good days
184 of 210
  • Good: 87.6%
  • Moderate: 12.4%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Burlington in November?

Good on a typical day: median AQI 34 across 2019–2025, with 0.0% of November days above AQI 100. Ground-level ozone is the main driver.

  • 87.6% of November days were Good (AQI 0–50), 12.4% Moderate (51–100).
  • 0 days of 210 reached AQI 101+; the November peak was 72.
  • Best November: 2024; worst November: 2022.

Frequently asked questions

What is the air quality like in Burlington in November?

Across 2019–2025, the median daily AQI in Burlington in November was 34 (Good). 87.6% of days were Good, 12.4% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.

Is November a good time for outdoor exercise in Burlington?

A typical November day in Burlington sits in the Good range (median AQI 34), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.

Which pollutant causes Burlington's November air quality problems?

Ground-level ozone set the daily AQI on 70.5% of November days in Burlington. The highest November AQI recorded in 2019–2025 was 72 (Moderate), in 2022.

Burlington November air quality, year by year

Burlington November air quality by year (Burlington-South Burlington, VT, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193035072O3
20203035070O3
20213035067PM2.5
2022worst3036053O3
20233034060O3
2024cleanest3031040O3
20253031042O3

What November air means in Burlington

A typical November day in Burlington sits in the Good range (median AQI 34), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.

November's median AQI of 34 is below Burlington's whole-year median of 39, making it one of the area's cleaner periods. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Burlington runs below the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).

November is part of Burlington's fall season (September, October, November); the fall 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.