Buffalo Air Quality in November

Across 2019–2025, Buffalo's November air quality had a median AQI of 39 (Good) over 210 monitored days in the Buffalo-Cheektowaga-Niagara Falls, NY area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 84.8% of days. The cleanest November on record here was 2025 (median AQI 36, 0 days above 100) and the worst was 2023 (median 44, 0 days above 100, peak AQI 62).

39
Median AQI
Good
0.0%
Days above AQI 100
0 of 210 days
57
90th percentile AQI
worst 1 day in 10
84
Peak AQI
Moderate
PM2.5
Main pollutant
84.8% of days
77.6%
Good days
163 of 210
  • Good: 77.6%
  • Moderate: 22.4%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Buffalo in November?

Good on a typical day: median AQI 39 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 77.6% of November days were Good (AQI 0–50), 22.4% Moderate (51–100).
  • 0 days of 210 reached AQI 101+; the November peak was 84.
  • Best November: 2025; worst November: 2023.

Frequently asked questions

What is the air quality like in Buffalo in November?

Across 2019–2025, the median daily AQI in Buffalo in November was 39 (Good). 77.6% of days were Good, 22.4% 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 Buffalo?

A typical November day in Buffalo sits in the Good range (median AQI 39), 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 Buffalo's November air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 84.8% of November days in Buffalo. The highest November AQI recorded in 2019–2025 was 84 (Moderate), in 2023.

Buffalo November air quality, year by year

Buffalo November air quality by year (Buffalo-Cheektowaga-Niagara Falls, NY, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193037073PM2.5
20203042084PM2.5
20213040064PM2.5
20223042082PM2.5
2023worst3044062PM2.5
20243037064PM2.5
2025cleanest3036061PM2.5

What November air means in Buffalo

A typical November day in Buffalo sits in the Good range (median AQI 39), 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 39 is below Buffalo's whole-year median of 44, 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 Buffalo runs in line with the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).

November is part of Buffalo's fall season (September, October, November); the fall page pools all three months.

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

Right now in Buffalo

The latest EPA AirNow observation puts Buffalo's AQI at 54 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Buffalo air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Buffalo-Cheektowaga-Niagara Falls, NY), 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.