Memphis Air Quality in Summer

Across 2019–2025, Memphis's summer (June–August) air quality had a median AQI of 56 (Moderate) over 644 monitored days in the Memphis, TN-MS-AR area. 6.5% of summer days (42 of 644) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 51.9% of days. The cleanest summer on record here was 2019 (median AQI 54, 1 day above 100) and the worst was 2022 (median 54, 10 days above 100, peak AQI 159).

56
Median AQI
Moderate
6.5%
Days above AQI 100
42 of 644 days
93
90th percentile AQI
worst 1 day in 10
159
Peak AQI
Unhealthy
PM2.5
Main pollutant
51.9% of days
28.9%
Good days
186 of 644
  • Good: 28.9%
  • Moderate: 64.6%
  • Unhealthy for Sensitive Groups: 5.4%
  • Unhealthy or worse: 1.1%

Extra Protection for Memphis Homes

Air quality in Memphis is moderate (AQI 57), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.

Recommended: Coway AP-1512HH MightyTrue HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft

Check Price on Amazon →

As an Amazon Associate, we earn from qualifying purchases.

QUICK ANSWER

How is the air in Memphis in summer?

Moderate on a typical day: median AQI 56 across 2019–2025, with 6.5% of summer days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 28.9% of summer days were Good (AQI 0–50), 64.6% Moderate (51–100).
  • 42 days of 644 reached AQI 101+; the summer peak was 159.
  • Cleanest month: July; worst month: June.

Frequently asked questions

What is the air quality like in Memphis in summer?

Across 2019–2025, the median daily AQI in Memphis in summer was 56 (Moderate). 28.9% of days were Good, 64.6% Moderate, and 6.5% reached Unhealthy for Sensitive Groups or worse, based on 644 monitored days in EPA's Air Quality System.

Is summer a good time for outdoor exercise in Memphis?

A typical summer day in Memphis 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 15 of summer days (6.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Which pollutant causes Memphis's summer air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 51.9% of summer days in Memphis. The highest summer AQI recorded in 2019–2025 was 159 (Unhealthy), in 2022.

Memphis summer air quality, year by year

Memphis summer air quality by year (Memphis, TN-MS-AR, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
2019cleanest92541105PM2.5
202092554153PM2.5
202192566150PM2.5
2022worst925410159O3
202392619140O3
202492649159PM2.5
202592513143O3

What summer air means in Memphis

A typical summer day in Memphis 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 15 of summer days (6.5%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.

Summer's median AQI of 56 is in line with Memphis's whole-year median of 53, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median Summer AQI across every EPA metro area (308,645 metro-days, 2019–2025) is 46, so Memphis runs above the national Summer norm; 6.5% of its Summer days topped AQI 100 versus 3.6% nationally (above average).

Within the season, July is the cleanest month (median AQI 55, 4.2% of days above 100) and June the worst (median 59, 10.9% above 100).

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

Right now in Memphis

The latest EPA AirNow observation puts Memphis's AQI at 57 (PM2.5). The figures above are multi-year season statistics, not today's reading.

View current Memphis air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Memphis, TN-MS-AR), 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.