Median AQI
43
Good
Florida · County air quality · 2025
Broward County, Florida
Median AQI 43 (Good). 72.4% of monitored days rated Good, direct from EPA Air Quality System stations.
- 43
- Median AQI
- 72.4%
- Good-air days
- 0
- Unhealthy days
- 36%
- Cleaner than US counties
The verdict
According to EPA Air Quality System monitoring data, Broward County's air is good on balance, more polluted than the median US county, a median AQI of 43 with 72.4% of 239 monitored days in the Good band, driven mainly by PM2.5.
- 43
- median AQI · Good
- 72.4%
- days rated Good
- PM2.5
- main pollutant
- 36%
- cleaner than US counties
Not one day crossed into the Unhealthy tier; the worst single reading was AQI 93.
Data updated July 2026
- Good · 173 d · 72.4%
- Moderate · 66 d · 27.6%
How did Broward County's air break down in 2025?
Across 239 monitored days, 173 fell in the Good band (AQI 0–50) and 0 reached Unhealthy or worse. The worst single day peaked at AQI 93 (Moderate).
EPA AQS →Air quality data from EPA Air Quality System (2025). 239 days monitored. Median AQI: 43 (Good).
Insights: Broward County, Florida. EPA monitors recorded a median Air Quality Index of 43 across 239 measured days in 2025, earning a Good classification and a Moderate health grade. Of those days, 173 (72%) fell in the Good band (AQI 0–50), 66 (28%) registered Moderate readings, and 0 (0%) reached Unhealthy for Sensitive Groups. The 90th-percentile AQI settled at 58, while the worst single-day peak hit 93 (Moderate). Residents averaged about 21.7 clean-air days per 30-day window during the monitoring year.
The full pollutant mix ranks as PM2.5 (109 days), Ozone (70 days), NO2 (60 days). Across the 2020–2025 trend window, good days shifted by -19 and the median AQI moved -6 points, placing the multi-year trajectory at improving. The worst single reading over the 2020–2025 window was AQI 93, moderate but never Unhealthy. Nearby counties show comparable readings: Alachua (90.1% good, AQI 37); Baker (69.1% good, AQI 45); Bay (60.6% good, AQI 46); Brevard (89.7% good, AQI 37); Citrus (67.8% good, AQI 44); Collier (67.4% good, AQI 43).
Air Quality Summary
Good Days
72.4%
173 of 239 monitored days
-2.6pp vs 75% target
Max AQI Recorded
93
Moderate
Health Grade
Moderate
90th-pct AQI 58
Broward County, Good days share 72.4%
National avg
Share of monitored days at AQI 0-50 (Good band).
Broward County, Unhealthy-or-worse share 0.0%
National avg
Share of monitored days above AQI 150 (Unhealthy or worse). Bar maxes at 10% (worst-county ceiling).
AQI Day Breakdown (2025)
Distribution of 239 monitored days across EPA AQI categories.
Good
173
72%
Moderate
66
28%
USG
0
0%
Unhealthy
0
0%
Very Unhealthy
0
0%
Hazardous
0
0%
Pollutant Breakdown
Days where each pollutant was the primary driver of AQI readings in Broward County.
- PM2.5 · 109 days · 45.6%
- Ozone · 70 days · 29.3%
- NO₂ · 60 days · 25.1%
Health Impact Assessment
Moderate
Broward County's air quality is rated Moderate based on 72.4% good air days. No unhealthy air days were recorded in 2025.
Air quality was acceptable on 72.4% of monitored days in 2025, with a median AQI of 43. Unusually sensitive people can check real-time conditions at AirNow.gov during high-pollution events.
The dominant pollutant is PM2.5, driving AQI on 109 of 239 monitored days.
5-Year Air Quality Trend
Air quality is improving in Broward County. Best year: 2024 (213 good days).
| Year | Good | Moderate | USG | Unhealthy | Median AQI | Max AQI |
|---|---|---|---|---|---|---|
| 2020 | 192 | 172 | 2 | 0 | 49 | 142 |
| 2021 | 191 | 173 | 1 | 0 | 49 | 103 |
| 2022 | 197 | 168 | 0 | 0 | 49 | 100 |
| 2023 | 158 | 204 | 3 | 0 | 52 | 109 |
| 2024 | 213 | 152 | 0 | 1 | 47 | 154 |
| 2025 | 173 | 66 | 0 | 0 | 43 | 93 |
How does Broward County compare?
How Broward County compares
Good-day share worse than US avg
Broward County 72.4%
Alachua County, Florida 90.1%
US average 76.5%
Median AQI worse than US avg
Broward County 43
Alachua County, Florida 37
US average 38
Unhealthy days / yr about average
Broward County 0
Alachua County, Florida 0
US average 0
Other Counties in Florida
Air quality comparison for nearby counties in Florida.
Counties with Similar Air Quality
Counties across the US with a similar median AQI to Broward County.
Allegan County, Michigan
AQI 43 · 71.2% good
Allen County, Ohio
AQI 43 · 65.9% good
Ashtabula County, Ohio
AQI 43 · 81.2% good
Bell County, Kentucky
AQI 43 · 63.5% good
Boise County, Idaho
AQI 43 · 72.9% good
Brazos County, Texas
AQI 43 · 63.4% good
What Broward County's air means for you
The air here stays in the breathable range year-round, with PM2.5 the main thing to watch.
- Sensitive groups (asthma, heart conditions, children, older adults) should check the AQI on high-PM2.5 days, the guide explains what a median of 43 means for exposure. Health guidance
- See how Broward County ranks against every monitored U.S. county on Good-day share. County rankings
- Compare Broward County with its Florida neighbours before drawing a conclusion about the region. All of Florida
Based on 239 EPA-monitored days in 2025; figures reflect only days the monitors reported. Source: EPA Air Quality System annual summaries.
More Air Quality Data
Air Quality Guides
Frequently Asked Questions
What is the air quality in Broward County, Florida? ▼
Broward County has a median Air Quality Index (AQI) of 43, rated "Good." 72.4% of monitored days (173 out of 239) had good air quality in 2025.
What is the main pollutant in Broward County? ▼
The primary pollutant in Broward County is Fine Particles (PM2.5), which was the main AQI driver on 109 days (46% of monitored days). Penetrates deep into lungs and bloodstream. Linked to heart disease and premature death.
How many unhealthy air days does Broward County have? ▼
In 2025, Broward County recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 93.
Is the air quality in Broward County getting better or worse? ▼
Air quality in Broward County is improving based on 5-year trends (2020-2025). Best year: 2024 with 213 good days. Worst year: 2023 with 158 good days.
What does AQI 43 mean for health? ▼
Broward County's median AQI of 43 falls in the "Good" category. See the <a href="/guides/understanding-aqi" class="underline">AQI category guide</a> for what each range means for health.
How does Broward County compare to other counties in Florida? ▼
Broward County has 72.4% good air days. Nearby counties in Florida: Alachua (90.1% good), Baker (69.1% good), Bay (60.6% good), Brevard (89.7% good), Citrus (67.8% good), Collier (67.4% good).
What is the 90th percentile AQI in Broward County? ▼
The 90th percentile AQI for Broward County is 58, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 93 (Moderate).
Data Sources
Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by County dataset, 2020–2025 (aqs.epa.gov). For current conditions (not shown here — this page is historical annual data), see EPA AirNow (airnow.gov). See our methodology for how AQI, median, and coverage figures are computed.
Informational only, not professional advice. Data from EPA AQS. See our disclaimer.
Every figure on PlainAir is rendered directly from EPA AQS air-quality monitoring data, no number is typed in by an editor. This page draws directly on EPA AQS air-quality monitoring data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.