Processed on 2024-03-04 13:28:42 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 Mississippi spent in each AQI category during the the month of November.

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.

November in Mississippi

November 2014 – 4 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 100 20 0 0 0 0 4
New 66 54 0 0 0 0 4

November 2015 – 5 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 139 4 0 0 0 0 12
New 119 24 0 0 0 0 12

November 2016 – 10 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 113 35 0 0 0 0 7
New 75 73 0 0 0 0 7

November 2017 – 7 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 116 33 0 0 0 0 6
New 76 73 0 0 0 0 6

November 2018 – 16 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 170 34 0 0 0 0 13
New 127 77 0 0 0 0 13

November 2019 – 8 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 127 83 0 0 0 0 7
New 70 140 0 0 0 0 7

November 2020 – 16 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 141 64 0 0 0 0 12
New 93 112 0 0 0 0 12

November 2021 – 8 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 154 56 0 0 0 0 7
New 99 111 0 0 0 0 7

November 2022 – 8 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 179 61 0 0 0 0 8
New 117 123 0 0 0 0 8

November 2023 – 8 permanent monitors

Good Moderate USG Unhealthy Very Unhealthy Hazardous Missing
Old 167 73 0 0 0 0 8
New 86 154 0 0 0 0 8