El Paso Air Quality in March

Across 2019–2025, El Paso's March air quality had a median AQI of 56 (Moderate) over 217 monitored days in the El Paso, TX area. 10.2% of March days (22 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 53.9% of days. The cleanest March on record here was 2020 (median AQI 46, 0 days above 100) and the worst was 2025 (median 91, 14 days above 100, peak AQI 2122).

56
Median AQI
Moderate
10.2%
Days above AQI 100
22 of 217 days
99
90th percentile AQI
worst 1 day in 10
2122
Peak AQI
Hazardous
PM2.5
Main pollutant
53.9% of days
27.2%
Good days
59 of 217
  • Good: 27.2%
  • Moderate: 62.7%
  • Unhealthy for Sensitive Groups: 3.7%
  • Unhealthy or worse: 6.5%

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QUICK ANSWER

How is the air in El Paso in March?

Moderate on a typical day: median AQI 56 across 2019–2025, with 10.2% of March days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 27.2% of March days were Good (AQI 0–50), 62.7% Moderate (51–100).
  • 22 days of 217 reached AQI 101+; the March peak was 2122.
  • Best March: 2020; worst March: 2025.

Frequently asked questions

What is the air quality like in El Paso in March?

Across 2019–2025, the median daily AQI in El Paso in March was 56 (Moderate). 27.2% of days were Good, 62.7% Moderate, and 10.2% 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 El Paso?

A typical March day in El Paso is Moderate (median AQI 56): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 10 of March days (10.2%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes El Paso's March air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 53.9% of March days in El Paso. The highest March AQI recorded in 2019–2025 was 2122 (Hazardous), in 2025.

El Paso March air quality, year by year

El Paso March air quality by year (El Paso, TX, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193159081PM2.5
2020cleanest3146076O3
202131551149PM2.5
20223152082PM2.5
202331583155PM2.5
202431554431O3
2025worst3191142122PM10

What March air means in El Paso

A typical March day in El Paso is Moderate (median AQI 56): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 10 of March days (10.2%) 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 56 is in line with El Paso's whole-year median of 59, 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 El Paso runs above the national March norm; 10.2% of its March days topped AQI 100 versus 0.4% nationally (above average).

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

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

Right now in El Paso

The latest EPA AirNow observation puts El Paso's AQI at 54 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current El Paso air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (El Paso, TX), 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.