Jackson Air Quality in March

Across 2019–2025, Jackson's March air quality had a median AQI of 52 (Moderate) over 217 monitored days in the Jackson, MS area. 0.0% of March days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 67.7% of days. The cleanest March on record here was 2024 (median AQI 44, 0 days above 100) and the worst was 2020 (median 55, 0 days above 100, peak AQI 74).

52
Median AQI
Moderate
0.0%
Days above AQI 100
0 of 217 days
67
90th percentile AQI
worst 1 day in 10
100
Peak AQI
Moderate
PM2.5
Main pollutant
67.7% of days
41.9%
Good days
91 of 217
  • Good: 41.9%
  • Moderate: 58.1%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Jackson in March?

Moderate on a typical day: median AQI 52 across 2019–2025, with 0.0% of March days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 41.9% of March days were Good (AQI 0–50), 58.1% Moderate (51–100).
  • 0 days of 217 reached AQI 101+; the March peak was 100.
  • Best March: 2024; worst March: 2020.

Frequently asked questions

What is the air quality like in Jackson in March?

Across 2019–2025, the median daily AQI in Jackson in March was 52 (Moderate). 41.9% of days were Good, 58.1% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is March a good time for outdoor exercise in Jackson?

A typical March day in Jackson is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of March days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Jackson's March air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 67.7% of March days in Jackson. The highest March AQI recorded in 2019–2025 was 100 (Moderate), in 2020.

Jackson March air quality, year by year

Jackson March air quality by year (Jackson, MS, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
201931530100O3
2020worst3155074PM2.5
20213152074PM2.5
20223149092PM2.5
20233154087PM2.5
2024cleanest3144072PM2.5
20253154067PM2.5

What March air means in Jackson

A typical March day in Jackson is Moderate (median AQI 52): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of March days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

March's median AQI of 52 is in line with Jackson's whole-year median of 52, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median March AQI across every EPA metro area (102,455 metro-days, 2019–2025) is 42, so Jackson runs above the national March norm; 0.0% of its March days topped AQI 100 versus 0.4% nationally (about the same).

March is part of Jackson's spring season (March, April, May); the spring page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Jackson

The latest EPA AirNow observation puts Jackson's AQI at 75 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Jackson air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Jackson, MS), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.