What is the air quality trend in Lexington?

Over the past 14 days, Lexington had an average AQI of 49 based on station measurements. The worst day was 2026-07-17 with AQI 119.

How is Lexington air quality measured?

Air quality in Lexington is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Lexington, United States

Name: Lexington Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Lexington, United States.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

314h

PM2.5 Station

314h · 4 stations

Temperature GFS model

55pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	48	25–72	12.5 µg/m³	21h	4
2026-07-20	55	24–79	15.2 µg/m³	20h	4
2026-07-19	57	11–133	16.1 µg/m³	21h	4
2026-07-18	52	17–99	14.4 µg/m³	22h	4
2026-07-17	119	29–345	67.3 µg/m³	24h	3
2026-07-16	70	20–281	28.8 µg/m³	24h	3
2026-07-15	44	17–62	10.7 µg/m³	24h	4
2026-07-14	40	25–60	9.9 µg/m³	23h	4
2026-07-13	34	18–57	8.3 µg/m³	23h	4
2026-07-12	31	18–54	7.4 µg/m³	21h	4
2026-07-11	32	15–54	7.7 µg/m³	23h	4
2026-07-10	31	20–48	7.5 µg/m³	23h	4
2026-07-09	36	19–56	8.6 µg/m³	22h	4
2026-07-08	43	29–62	10.5 µg/m³	23h	4

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