Metro area air quality · 2025

Watertown-Fort Drum, NY

Median AQI 34 (Good). 94.7% of monitored days rated Good across this metro's EPA monitoring network.

34
Median AQI
94.7%
Good-air days
0
Unhealthy days
94%
Cleaner than US metros

Watertown-Fort Drum, NY posted a 2025 median AQI of 34 (Good) with 94.7% Good days

According to the U.S. EPA Air Quality System, the Watertown-Fort Drum, NY CBSA recorded a median AQI of 34 across 355 monitored days in 2025, with 94.7% rated Good and 0 unhealthy or worse. This is an annual metro comparison, not a live advisory.

Data source EPA Air Quality System (AQS)

Cleaner than US metros
The Watertown-Fort Drum, NY CBSA's 94.7% Good-day share places it cleaner than 94% of US metros in 2025.
Closest median-AQI peer
Arkadelphia, AR (96.7% Good, median AQI 34) is the closest nationwide median-AQI peer to Watertown-Fort Drum, NY.
2020–2025 Good-day shift
Watertown-Fort Drum, NY's Good-day share moved -1.2 points from 2020 to 2025 (median AQI +1).
Median AQI
Median AQI: 34

Aggregated from EPA Air Quality System (2025), 355 monitored days. EPA AQS →

The verdict

The Watertown-Fort Drum, NY metro runs good on the EPA scale, among the cleanest 10% of US metros, a median AQI of 34 with 94.7% of 355 monitored days in the Good band.

34
median AQI · Good
94.7%
days rated Good
94%
cleaner than US metros
87
worst single reading

No day crossed into the Unhealthy tier across the metro's monitors in 2025.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Watertown-Fort Drum, NY metro's Good-day share fell from 97.0% to 94.6% between the 2024 and 2025 EPA annual releases, a change of -2.3 percentage points.

Compared against 363 monitored days in 2024 and 355 in 2025. These are arithmetic differences between two stored EPA annual summaries, not a cause claim or a live advisory.

National release changes Two-year CSV

Insights: Watertown-Fort Drum, NY metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 34 over 355 measured days in 2025, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 336 Good days (95%), 19 Moderate (5%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 47 while the highest single-day reading hit 87 (Moderate). Metro residents averaged roughly 28.4 clean-air days per 30-day window across the reporting year.

Across the 2020–2025 trend window, the share of monitored days rated Good shifted by -1.2 points and the median AQI moved +1 points, which classifies the multi-year trajectory as stable. The metro recorded no Unhealthy-tier days in this annual dataset. Metros with comparable AQI profiles include Arkadelphia, AR (96.7% good, AQI 34); Augusta-Waterville, ME (85.2% good, AQI 34); Beatrice, NE (75.8% good, AQI 34).

Air Quality Summary

Median AQI

34

Good

Good Days

94.7%

336 of 355 days

Max AQI

87

Moderate

Health Grade

Excellent

90th pct: 47

AQI Day Breakdown (2025)

Distribution of 355 monitored days across EPA AQI categories.

Good

336

95%

Moderate

19

5%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Watertown-Fort Drum, NY metro area's air quality is rated Excellent based on 94.7% good air days. No unhealthy air days were recorded in 2025.

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

How does the Watertown-Fort Drum, NY metro compare?

How Watertown-Fort Drum, NY compares

Good-day share better than typical
Watertown-Fort Drum, NY 94.7%
Arkadelphia, AR 96.7%
Typical US metro 70.6%
Median AQI better than typical
Watertown-Fort Drum, NY 34
Arkadelphia, AR 34
Typical US metro 41
Unhealthy days / yr better than typical
Watertown-Fort Drum, NY 0
Arkadelphia, AR 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is stable in the Watertown-Fort Drum, NY metro. Highest Good-day share: 2022 (97.8%, 352 of 360 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 345 15 0 33
2021 332 19 0 32
2022 352 8 0 32
2023 344 17 0 33
2024 352 11 0 32
2025 336 19 0 34

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Watertown-Fort Drum, NY (34).

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Watertown-Fort Drum, NY's 0 (independent of median AQI).

More Air Quality Data

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

Air Quality Guides

Frequently Asked Questions

What is the air quality in the Watertown-Fort Drum, NY metro area?
The Watertown-Fort Drum, NY metro area has a median Air Quality Index (AQI) of 34, rated "Good." 94.7% of monitored days (336 out of 355) had good air quality in 2025.
How many unhealthy air days does Watertown-Fort Drum, NY have?
In 2025, the Watertown-Fort Drum, NY metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 87.
Is air quality in Watertown-Fort Drum, NY getting better or worse?
Air quality in the Watertown-Fort Drum, NY metro is stable across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2022 at 97.8% (352 of 360 days). Lowest qualifying Good-day share: 2021 at 94.6% (332 of 351 days).
What does AQI 34 mean for health?
An AQI of 34 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 Watertown-Fort Drum, NY?
The 90th percentile AQI for the Watertown-Fort Drum, NY metro area is 47, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 87 (Moderate).
How does Watertown-Fort Drum, NY compare to other metro areas?
The Watertown-Fort Drum, NY metro has 94.7% good air days. Similar metros: Arkadelphia, AR (96.7% good), Augusta-Waterville, ME (85.2% good), Beatrice, NE (75.8% good).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset, 2020–2025. See our methodology for how AQI, median, and coverage figures are computed.

Source: U.S. EPA Air Quality System (AQS) Annual AQI by CBSA summary files (metro-level) · 2020–2025

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Every figure on PlainAirData 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.