Processed on 2024-03-04 13:14:57 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 Louisiana 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 Louisiana

January 2014 – 10 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 194 21 0 0 0 0 2
New 162 53 0 0 0 0 2

January 2015 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 192 70 0 0 0 0 17
New 133 129 0 0 0 0 17

January 2016 – 19 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 212 27 0 0 0 0 40
New 158 81 0 0 0 0 40

January 2017 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 256 6 0 0 0 0 17
New 217 45 0 0 0 0 17

January 2018 – 19 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 247 30 0 0 0 0 2
New 212 65 0 0 0 0 2

January 2019 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 250 21 0 0 0 0 8
New 203 68 0 0 0 0 8

January 2020 – 19 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 254 11 2 0 0 0 12
New 233 32 2 0 0 0 12

January 2021 – 10 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 232 26 0 0 0 0 21
New 186 72 0 0 0 0 21

January 2022 – 9 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 224 47 0 0 0 0 8
New 164 107 0 0 0 0 8

January 2023 – 13 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 230 16 1 0 0 0 1
New 190 56 1 0 0 0 1