Lexington Air Quality in November

Across 2019–2025, Lexington's November air quality had a median AQI of 43 (Good) over 183 monitored days in the Lexington-Fayette, KY area. 1.1% of November days (2 of 183) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 98.9% of days. The cleanest November on record here was 2025 (median AQI 36, 0 days above 100) and the worst was 2022 (median 52, 1 day above 100, peak AQI 106).

43
Median AQI
Good
1.1%
Days above AQI 100
2 of 183 days
60
90th percentile AQI
worst 1 day in 10
108
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
98.9% of days
65.0%
Good days
119 of 183
  • Good: 65.0%
  • Moderate: 33.9%
  • Unhealthy for Sensitive Groups: 1.1%
  • Unhealthy or worse: 0.0%

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Air quality in Lexington is moderate (AQI 53), 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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QUICK ANSWER

How is the air in Lexington in November?

Good on a typical day: median AQI 43 across 2019–2025, with 1.1% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 65.0% of November days were Good (AQI 0–50), 33.9% Moderate (51–100).
  • 2 days of 183 reached AQI 101+; the November peak was 108.
  • Best November: 2025; worst November: 2022.

Frequently asked questions

What is the air quality like in Lexington in November?

Across 2019–2025, the median daily AQI in Lexington in November was 43 (Good). 65.0% of days were Good, 33.9% Moderate, and 1.1% reached Unhealthy for Sensitive Groups or worse, based on 183 monitored days in EPA's Air Quality System.

Is November a good time for outdoor exercise in Lexington?

A typical November day in Lexington sits in the Good range (median AQI 43), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 91 of November days (1.1%) reached AQI 101+ in 2019–2025.

Which pollutant causes Lexington's November air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 98.9% of November days in Lexington. The highest November AQI recorded in 2019–2025 was 108 (Unhealthy for Sensitive Groups), in 2022.

Lexington November air quality, year by year

Lexington November air quality by year (Lexington-Fayette, KY, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193045074PM2.5
20203041071PM2.5
202129441108PM2.5
2022worst30521106PM2.5
20233043060PM2.5
2024443046PM2.5
2025cleanest3036056PM2.5

What November air means in Lexington

A typical November day in Lexington sits in the Good range (median AQI 43), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 91 of November days (1.1%) reached AQI 101+ in 2019–2025.

November's median AQI of 43 is in line with Lexington's whole-year median of 44, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Lexington runs above the national November norm; 1.1% of its November days topped AQI 100 versus 0.6% nationally (about the same).

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

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

Right now in Lexington

The latest EPA AirNow observation puts Lexington's AQI at 53 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Lexington air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Lexington-Fayette, KY), 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.