Where is the air worst in Kentucky right now?

SOMERST has the highest current reading at AQI 65 (Moderate).

How often are readings updated?

Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Kentucky Air Quality

Current AQI at 24 monitors, highest 65 (Moderate) · Measured 10/30/2026, 1:00 PM PT

Monitors: 24
Highest AQI: 65; Moderate
Typical (median): 42; Good
Above 100: 0

Monitoring sites in Kentucky

Worst first. Times are local.

65SOMERSTModerate · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
58Smiths GroveModerate · Ozone · Fri 10/30/2026, 3:00 PM EDT
54Mammoth Cave NPModerate · Ozone · Fri 10/30/2026, 3:00 PM EDT
53MIDAIRModerate · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
52HAZ2Moderate · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
52WATSONModerate · Fine particles (PM2.5) · Fri 10/30/2026, 3:00 PM EDT
48FRANKLNGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
46SMITHLDGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
45PIKE2001Good · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
44Carrithers Middle SchoolGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
44MackvilleGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
42Algonquin ParkwayGood · Fine particles (PM2.5) · Fri 10/30/2026, 3:00 PM EDT
40BUCKNERGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
40Cannons LaneGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
40CrockettGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
39LEWISPORGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
39SHEPVILLGood · Ozone · Fri 10/30/2026, 3:00 PM EDT
37Near RoadGood · Fine particles (PM2.5) · Fri 10/30/2026, 3:00 PM EDT
34WORTH2002Good · Ozone · Fri 10/30/2026, 3:00 PM EDT
31NICHVILLGood · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
23NEWTWNGood · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
22NKUGood · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
20FIVCOGood · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT
19GRAYSONGood · Fine particles (PM2.5) · Fri 10/30/2026, 4:00 PM EDT

By county

Highest current AQI among the county's monitors

Frequently asked questions

Where is the air worst in Kentucky right now?: SOMERST has the highest current reading at AQI 65 (Moderate).
How often are readings updated?: Monitors report every hour. We refresh this page with the latest hour from EPA AirNow.

Source: EPA AirNow · Last updated 10/30/2026 · Data are preliminary and subject to change

What the AQI means

0-50Good. Air quality is satisfactory and poses little or no risk.
51-100Moderate. Acceptable. A few unusually sensitive people may have symptoms.
101-150Unhealthy for Sensitive Groups. People with heart or lung disease, older adults, children and teens should limit long or heavy outdoor exertion.
151-200Unhealthy. Everyone may begin to feel effects. Sensitive groups should avoid long or heavy outdoor exertion.
201-300Very Unhealthy. Health alert: the risk of health effects is increased for everyone.
301-500Hazardous. Health warning of emergency conditions. Everyone is more likely to be affected.

Data sources

AirNowU.S. Environmental Protection Agency · Official site

Data as of 10/30/2026

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About this data

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