McAllen Air Quality in June

Across 2019–2025, McAllen's June air quality had a median AQI of 53 (Moderate) over 202 monitored days in the McAllen-Edinburg-Mission, TX area. 3.5% of June days (7 of 202) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 90.6% of days. The cleanest June on record here was 2023 (median AQI 42, 0 days above 100) and the worst was 2024 (median 55, 3 days above 100, peak AQI 157).

53
Median AQI
Moderate
3.5%
Days above AQI 100
7 of 202 days
74
90th percentile AQI
worst 1 day in 10
157
Peak AQI
Unhealthy
PM2.5
Main pollutant
90.6% of days
44.1%
Good days
89 of 202
  • Good: 44.1%
  • Moderate: 52.5%
  • Unhealthy for Sensitive Groups: 2.0%
  • Unhealthy or worse: 1.5%

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QUICK ANSWER

How is the air in McAllen in June?

Moderate on a typical day: median AQI 53 across 2019–2025, with 3.5% of June days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 44.1% of June days were Good (AQI 0–50), 52.5% Moderate (51–100).
  • 7 days of 202 reached AQI 101+; the June peak was 157.
  • Best June: 2023; worst June: 2024.

Frequently asked questions

What is the air quality like in McAllen in June?

Across 2019–2025, the median daily AQI in McAllen in June was 53 (Moderate). 44.1% of days were Good, 52.5% Moderate, and 3.5% reached Unhealthy for Sensitive Groups or worse, based on 202 monitored days in EPA's Air Quality System.

Is June a good time for outdoor exercise in McAllen?

A typical June day in McAllen is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 29 of June days (3.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes McAllen's June air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 90.6% of June days in McAllen. The highest June AQI recorded in 2019–2025 was 157 (Unhealthy), in 2024.

McAllen June air quality, year by year

McAllen June air quality by year (McAllen-Edinburg-Mission, TX, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193064078PM2.5
202030472157PM2.5
20213049074PM2.5
202230532114PM2.5
2023cleanest2242073PM2.5
2024worst30553157PM2.5
20253055074PM2.5

What June air means in McAllen

A typical June day in McAllen is Moderate (median AQI 53): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 29 of June days (3.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

June's median AQI of 53 is in line with McAllen's whole-year median of 50, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median June AQI across every EPA metro area (100,635 metro-days, 2019–2025) is 46, so McAllen runs above the national June norm; 3.5% of its June days topped AQI 100 versus 3.7% nationally (about the same).

June is part of McAllen's summer season (June, July, August); the summer page pools all three months.

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

Right now in McAllen

The latest EPA AirNow observation puts McAllen's AQI at 47 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current McAllen air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (McAllen-Edinburg-Mission, 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.