Lexington Air Quality in 2024
In 2024, Lexington's air quality (Lexington-Fayette, KY area) had a median daily AQI of 43 (Good) across 340 monitored days. 0 days (0.0%) reached Unhealthy for Sensitive Groups or worse, 261 were Good, and the year's peak AQI was 93 (Moderate). Ground-level ozone set the daily AQI on 209 of those days. The cleanest month of 2024 was January (median AQI 30, 0 days above 100) and the worst was August (median 49, 0 days above 100, peak 80).
- Good: 76.8%
- Moderate: 23.2%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Lexington Homes
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.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How was Lexington's air quality in 2024?
Good on a typical day: median AQI 43, with 0 days above AQI 100 out of 340 monitored — the 3rd cleanest of 7 years on record for the area.
- ✓Peak AQI in 2024: 93 (Moderate).
- ✓Ground-level ozone was the main pollutant on 209 days.
- ✓Cleanest month: January; worst: August.
Frequently asked questions
What was the average AQI in Lexington in 2024?▾
EPA's Air Quality System puts Lexington's (Lexington-Fayette, KY) median daily AQI for 2024 at 43, which is Good. 0 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 93.
Which month had the worst air quality in Lexington in 2024?▾
The cleanest month of 2024 was January (median AQI 30, 0 days above 100) and the worst was August (median 49, 0 days above 100, peak 80).
Was 2024 a good or bad year for Lexington's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 3rd cleanest by days above AQI 100. 2024's median of 43 is in line with the area's typical annual median of 44.
Lexington month by month in 2024
Lexington air quality month by month, 2024 (Lexington-Fayette, KY, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| Januarycleanest | 31 | 30 | 0 | 56 | PM2.5 |
| February | 29 | 36 | 0 | 65 | PM2.5 |
| March | 31 | 40 | 0 | 54 | O3 |
| April | 30 | 44 | 0 | 53 | O3 |
| May | 31 | 44 | 0 | 64 | O3 |
| June | 30 | 48 | 0 | 93 | O3 |
| July | 31 | 49 | 0 | 77 | O3 |
| Augustworst | 31 | 49 | 0 | 80 | O3 |
| September | 30 | 39 | 0 | 64 | O3 |
| October | 31 | 42 | 0 | 74 | O3 |
| November | 4 | 43 | 0 | 46 | PM2.5 |
| December | 31 | 34 | 0 | 54 | PM2.5 |
How 2024 compares
Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 3rd cleanest by days above AQI 100.
2024's median of 43 is in line with the area's typical annual median of 44.
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 annual 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.