Processed on 2024-03-04 13:13:03 PST.

Disclaimer: Data presented here come from a variety of sources and do not represent official EPA measurements. Please visit AirNow for official measurements.

Cumulative exposure to smoke is an important public health metric. This report summarizes the cumulative number of days air quality monitors in Kentucky spent in each AQI category during the the month of January.

The tables below include only permanent monitors measuring PM2.5 and show cumulative exposure under existing NAAQS (National Ambient Air Quality Standards) and under the 2024 revised standards for PM2.5.

In the tables and plots below, ‘Old’ designates cumulative days calculated using the 2023 PM2.5 NAAQS while ‘New’ is calculated using the 2024 revised PM2.5 NAAQS. The impact of the NAAQS revision is quite clear.

January in Kentucky

January 2014 – 6 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 183 3 0 0 0 0 0
New 167 19 0 0 0 0 0

January 2015 – 6 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 141 10 0 0 0 0 4
New 116 35 0 0 0 0 4

January 2016 – 12 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 161 16 0 0 0 0 9
New 115 62 0 0 0 0 9

January 2017 – 6 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 171 6 0 0 0 0 9
New 146 31 0 0 0 0 9

January 2018 – 12 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 157 5 0 0 0 0 24
New 112 50 0 0 0 0 24

January 2019 – 6 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 148 16 0 0 0 0 22
New 118 46 0 0 0 0 22

January 2020 – 12 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 172 13 0 0 0 0 1
New 135 50 0 0 0 0 1

January 2021 – 8 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 159 27 0 0 0 0 31
New 124 62 0 0 0 0 31

January 2022 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 228 44 0 0 0 0 7
New 160 112 0 0 0 0 7

January 2023 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 258 21 0 0 0 0 0
New 210 69 0 0 0 0 0