Metro area air quality · 2024

Sebastian-Vero Beach, FL

Median AQI 35 (Good). 98.8% of monitored days rated Good across this metro's EPA monitoring network.

35
Median AQI
98.8%
Good-air days
0
Unhealthy days
98%
Cleaner than US metros

Aggregated from EPA Air Quality System (2024), 348 monitored days. EPA AQS → · NOAA →

Insights: Sebastian-Vero Beach, FL metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 35 over 348 measured days in 2024, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 344 Good days (99%), 4 Moderate (1%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 44 while the highest single-day reading hit 64 (Moderate). Metro residents averaged roughly 29.7 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by +21 and the median AQI moved -2 points, which classifies the multi-year trajectory as improving. The metro avoided any Unhealthy-tier days entirely, an outcome that typically reflects favorable wind patterns, lower industrial density, or effective regional emission controls. Metros with comparable AQI profiles include Arkadelphia, AR (93.3% good, AQI 35); Atlantic City-Hammonton, NJ (82.5% good, AQI 35); Augusta-Waterville, ME (84.7% good, AQI 35).

Air Quality Summary

Median AQI

35

Good

Good Days

98.8%

344 of 348 days

Max AQI

64

Moderate

Health Grade

Excellent

90th pct: 44

AQI Day Breakdown (2024)

Distribution of 348 monitored days across EPA AQI categories.

Good

344

99%

Moderate

4

1%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Sebastian-Vero Beach, FL metro area's air quality is rated Excellent based on 98.8% good air days. No unhealthy air days were recorded in 2024.

Air quality is generally acceptable. Unusually sensitive people should monitor real-time conditions at AirNow.gov during high-pollution events.

How does the Sebastian-Vero Beach, FL metro compare?

How Sebastian-Vero Beach, FL compares

Good-day share better than US avg
Sebastian-Vero Beach, FL 98.8%
Arkadelphia, AR 93.3%
US average 70.2%
Median AQI better than US avg
Sebastian-Vero Beach, FL 35
Arkadelphia, AR 35
US average 41
Unhealthy days / yr better than US avg
Sebastian-Vero Beach, FL 0
Arkadelphia, AR 0
US average 1

5-Year Air Quality Trend

Air quality is improving in the Sebastian-Vero Beach, FL metro. Best year: 2023 (350 good days).

Year Good Moderate Unhealthy Median AQI
2020 323 15 0 37
2021 345 15 0 36
2022 349 8 0 33
2023 350 8 0 34
2024 344 4 0 35

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Sebastian-Vero Beach, FL.

Arkadelphia, AR

AQI 35 · 93.3% good

35

Atlantic City-Hammonton, NJ

AQI 35 · 82.5% good

35

Augusta-Waterville, ME

AQI 35 · 84.7% good

35

Beatrice, NE

AQI 35 · 73.0% good

35

Chambersburg-Waynesboro, PA

AQI 35 · 93.3% good

35

Claremont-Lebanon, NH-VT

AQI 35 · 91.3% good

35

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Frequently Asked Questions

What is the air quality in the Sebastian-Vero Beach, FL metro area? ▼
The Sebastian-Vero Beach, FL metro area has a median Air Quality Index (AQI) of 35, rated "Good." 98.8% of monitored days (344 out of 348) had good air quality in 2024.
How many unhealthy air days does Sebastian-Vero Beach, FL have? ▼
In 2024, the Sebastian-Vero Beach, FL metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 64.
Is air quality in Sebastian-Vero Beach, FL getting better or worse? ▼
Air quality in the Sebastian-Vero Beach, FL metro is improving based on 5-year trends (2020-2024). Best year: 2023 with 350 good days. Worst year: 2020 with 323 good days.
What does AQI 35 mean for health? ▼
An AQI of 35 is "Good", air quality is satisfactory and poses little or no health risk. This is the best category on the EPA's AQI scale.
What is the 90th percentile AQI for Sebastian-Vero Beach, FL? ▼
The 90th percentile AQI for the Sebastian-Vero Beach, FL metro area is 44, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 64 (Moderate).
How does Sebastian-Vero Beach, FL compare to other metro areas? ▼
The Sebastian-Vero Beach, FL metro has 98.8% good air days. Similar metros: Arkadelphia, AR (93.3% good), Atlantic City-Hammonton, NJ (82.5% good), Augusta-Waterville, ME (84.7% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2024. The AQS collects ambient air monitoring data from state, local, and tribal monitoring agencies across the United States.

Metrics: Air Quality Index (AQI) is calculated using EPA-standard breakpoints for six criteria pollutants: PM2.5, PM10, Ozone, NO2, CO, and SO2. Median AQI, max AQI, and 90th percentile AQI are computed from daily measurements. Good days percentage reflects days with AQI 0–50.

Coverage: 501 metro areas (Core Based Statistical Areas). Only metros with active monitoring stations are included. Unmonitored areas are not represented.

Read our methodology , how this data is sourced, computed, and verified.

Source: U.S. EPA, AirNow / AQS Air Quality Index readings and pollutant concentrations · 2025