Metro area air quality · 2024

Vineyard Haven, MA

Median AQI 37 (Good). 92.7% of monitored days rated Good across this metro's EPA monitoring network.

37
Median AQI
92.7%
Good-air days
0
Unhealthy days
89%
Cleaner than US metros

Aggregated from EPA Air Quality System (2024), 357 monitored days. EPA AQS → · NOAA →

Insights: Vineyard Haven, MA metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 37 over 357 measured days in 2024, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 331 Good days (93%), 25 Moderate (7%), and 1 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 47 while the highest single-day reading hit 108 (USG). Metro residents averaged roughly 27.8 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by -14 and the median AQI moved +0 points, which classifies the multi-year trajectory as worsening. 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 Albany-Schenectady-Troy, NY (76.5% good, AQI 37); Altoona, PA (80.9% good, AQI 37); Appleton, WI (79.5% good, AQI 37).

Air Quality Summary

Median AQI

37

Good

Good Days

92.7%

331 of 357 days

Max AQI

108

USG

Health Grade

Excellent

90th pct: 47

AQI Day Breakdown (2024)

Distribution of 357 monitored days across EPA AQI categories.

Good

331

93%

Moderate

25

7%

USG

1

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Vineyard Haven, MA metro area's air quality is rated Excellent based on 92.7% 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 Vineyard Haven, MA metro compare?

How Vineyard Haven, MA compares

Good-day share better than US avg
Vineyard Haven, MA 92.7%
Albany-Schenectady-Troy, NY 76.5%
US average 70.2%
Median AQI better than US avg
Vineyard Haven, MA 37
Albany-Schenectady-Troy, NY 37
US average 41
Unhealthy days / yr better than US avg
Vineyard Haven, MA 0
Albany-Schenectady-Troy, NY 0
US average 1

5-Year Air Quality Trend

Air quality is worsening in the Vineyard Haven, MA metro. Best year: 2020 (345 good days).

Year Good Moderate Unhealthy Median AQI
2020 345 11 0 37
2021 329 27 0 36
2022 338 20 0 37
2023 332 25 0 38
2024 331 25 0 37

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Vineyard Haven, MA.

More Air Quality Data

Explore EPA air quality rankings and guides across U.S. metros and counties.

Air Quality Guides

Learn more about air quality monitoring, pollutants, and health impacts.

Frequently Asked Questions

What is the air quality in the Vineyard Haven, MA metro area?
The Vineyard Haven, MA metro area has a median Air Quality Index (AQI) of 37, rated "Good." 92.7% of monitored days (331 out of 357) had good air quality in 2024.
How many unhealthy air days does Vineyard Haven, MA have?
In 2024, the Vineyard Haven, MA metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 108.
Is air quality in Vineyard Haven, MA getting better or worse?
Air quality in the Vineyard Haven, MA metro is worsening based on 5-year trends (2020-2024). Best year: 2020 with 345 good days. Worst year: 2021 with 329 good days.
What does AQI 37 mean for health?
An AQI of 37 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 Vineyard Haven, MA?
The 90th percentile AQI for the Vineyard Haven, MA metro area is 47, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 108 (USG).
How does Vineyard Haven, MA compare to other metro areas?
The Vineyard Haven, MA metro has 92.7% good air days. Similar metros: Albany-Schenectady-Troy, NY (76.5% good), Altoona, PA (80.9% good), Appleton, WI (79.5% 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.

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