Miami Air Quality in July
Across 2019–2025, Miami's July air quality had a median AQI of 55 (Moderate) over 217 monitored days in the Miami-Fort Lauderdale-West Palm Beach, FL area. 0.9% of July days (2 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 96.8% of days. The cleanest July on record here was 2022 (median AQI 48, 0 days above 100) and the worst was 2020 (median 55, 2 days above 100, peak AQI 142).
- Good: 29.5%
- Moderate: 69.6%
- Unhealthy for Sensitive Groups: 0.9%
- Unhealthy or worse: 0.0%
Extra Protection for Miami Homes
Air quality in Miami is moderate (AQI 54), 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 Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Miami in July?
Moderate on a typical day: median AQI 55 across 2019–2025, with 0.9% of July days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓29.5% of July days were Good (AQI 0–50), 69.6% Moderate (51–100).
- ✓2 days of 217 reached AQI 101+; the July peak was 142.
- ✓Best July: 2022; worst July: 2020.
Frequently asked questions
What is the air quality like in Miami in July?▾
Across 2019–2025, the median daily AQI in Miami in July was 55 (Moderate). 29.5% of days were Good, 69.6% Moderate, and 0.9% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.
Is July a good time for outdoor exercise in Miami?▾
A typical July day in Miami is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of July 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 Miami's July air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 96.8% of July days in Miami. The highest July AQI recorded in 2019–2025 was 142 (Unhealthy for Sensitive Groups), in 2020.
Miami July air quality, year by year
Miami July air quality by year (Miami-Fort Lauderdale-West Palm Beach, FL, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 52 | 0 | 83 | PM2.5 |
| 2020worst | 31 | 55 | 2 | 142 | PM2.5 |
| 2021 | 31 | 53 | 0 | 83 | PM2.5 |
| 2022cleanest | 31 | 48 | 0 | 67 | PM2.5 |
| 2023 | 31 | 60 | 0 | 88 | PM2.5 |
| 2024 | 31 | 57 | 0 | 90 | PM2.5 |
| 2025 | 31 | 57 | 0 | 71 | PM2.5 |
What July air means in Miami
A typical July day in Miami is Moderate (median AQI 55): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and fewer than 1% of July days reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
July's median AQI of 55 is above Miami's whole-year median of 51, making it one of the area's dirtier periods. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Miami runs above the national July norm; 0.9% of its July days topped AQI 100 versus 3.6% nationally (below average).
July is part of Miami's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Miami
The latest EPA AirNow observation puts Miami's AQI at 54 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Miami air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Miami-Fort Lauderdale-West Palm Beach, FL), 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.