Metro area air quality · 2025

Deming, NM

Median AQI 17 (Good). 84.7% of monitored days rated Good across this metro's EPA monitoring network.

17
Median AQI
84.7%
Good-air days
9
Unhealthy days
77%
Cleaner than US metros

Deming, NM posted a 2025 median AQI of 17 (Good) with 84.7% Good days

According to the U.S. EPA Air Quality System, the Deming, NM CBSA recorded a median AQI of 17 across 360 monitored days in 2025, with 84.7% rated Good and 9 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 Deming, NM CBSA's 84.7% Good-day share places it cleaner than 77% of US metros in 2025.
Closest median-AQI peer
Hailey, ID (96.6% Good, median AQI 17) is the closest nationwide median-AQI peer to Deming, NM.
2020–2025 Good-day shift
Deming, NM's Good-day share moved -7.5 points from 2020 to 2025 (median AQI -2).
Median AQI
Median AQI: 17

Aggregated from EPA Air Quality System (2025), 360 monitored days. EPA AQS →

The verdict

The Deming, NM metro runs good on the EPA scale, cleaner than most US metros, a median AQI of 17 with 84.7% of 360 monitored days in the Good band.

17
median AQI · Good
84.7%
days rated Good
77%
cleaner than US metros
321
worst single reading

9 days reached Unhealthy or worse across the metro's monitors in 2025.

Annual release change

What changed in the 2025 EPA annual release

2024 → 2025
  • Deming, NM metro's peak single-day AQI rose from 153 to 321 between the 2024 and 2025 EPA annual releases, a change of +168 points.
  • Deming, NM metro's Good-day share fell from 94.2% to 87.4% between the 2024 and 2025 EPA annual releases, a change of -6.8 percentage points.
  • Deming, NM metro's Unhealthy-category days rose from 1 to 7 between the 2024 and 2025 EPA annual releases, a change of +6 days.

Compared against 362 monitored days in 2024 and 349 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: Deming, NM metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 17 over 360 measured days in 2025, which corresponds to a Good band and a Good metro-wide health grade. The monitored-day split lands at 305 Good days (85%), 37 Moderate (10%), and 9 Unhealthy-for-Sensitive-Groups (3%). The 90th-percentile AQI finished at 68 while the highest single-day reading hit 321 (Hazardous). Metro residents averaged roughly 25.4 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 -7.5 points and the median AQI moved -2 points, which classifies the multi-year trajectory as worsening. The annual record contains 9 days at Unhealthy or worse. On those days, the EPA recommends that sensitive groups limit prolonged outdoor exertion. Metros with comparable AQI profiles include Hailey, ID (96.6% good, AQI 17); Lake Havasu City-Kingman, AZ (94.8% good, AQI 17); Pierre, SD (93.0% good, AQI 18).

Air Quality Summary

Median AQI

17

Good

Good Days

84.7%

305 of 360 days

Max AQI

321

Hazardous

Health Grade

Good

90th pct: 68

AQI Day Breakdown (2025)

Distribution of 360 monitored days across EPA AQI categories.

Good

305

85%

Moderate

37

10%

USG

9

3%

Unhealthy

7

2%

Very Unhealthy

1

0%

Hazardous

1

0%

Health Impact Assessment

Good

The Deming, NM metro area's air quality is rated Good based on 84.7% good air days. There were 9 unhealthy days in 2025 when outdoor activity should be limited.

Air quality posed significant health risk in 2025. Sensitive groups, including people with asthma, COPD, cardiovascular conditions, children, pregnant women, and adults over 65, should monitor AirNow.gov alerts and limit outdoor activity on Unhealthy (AQI 151+) and Very Unhealthy (201+) days. Peak readings reached AQI 321, well into the Hazardous range.

Sensitive group advisory

People with asthma, COPD, heart disease, children, pregnant women, and adults 65+ should follow EPA AQI alerts daily and limit outdoor exertion when AQI exceeds 100. Real-time conditions: airnow.gov.

How does the Deming, NM metro compare?

How Deming, NM compares

Good-day share better than typical
Deming, NM 84.7%
Hailey, ID 96.6%
Typical US metro 70.6%
Median AQI better than typical
Deming, NM 17
Hailey, ID 17
Typical US metro 41
Unhealthy days / yr worse than typical
Deming, NM 9
Hailey, ID 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is worsening in the Deming, NM metro. Highest Good-day share: 2023 (95.4%, 334 of 350 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 335 18 0 19
2021 339 20 0 19
2022 317 32 2 17
2023 334 15 1 16
2024 341 20 1 17
2025 305 37 7 17

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Deming, NM (17).

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Deming, NM's 9 (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 Deming, NM metro area?
The Deming, NM metro area has a median Air Quality Index (AQI) of 17, rated "Good." 84.7% of monitored days (305 out of 360) had good air quality in 2025.
How many unhealthy air days does Deming, NM have?
In 2025, the Deming, NM metro area recorded 9 unhealthy air days (7 Unhealthy, 1 Very Unhealthy, 1 Hazardous). The maximum AQI reached 321.
Is air quality in Deming, NM getting better or worse?
Air quality in the Deming, NM metro is worsening across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2023 at 95.4% (334 of 350 days). Lowest qualifying Good-day share: 2025 at 87.4% (305 of 349 days).
What does AQI 17 mean for health?
An AQI of 17 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 Deming, NM?
The 90th percentile AQI for the Deming, NM metro area is 68, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 321 (Hazardous).
How does Deming, NM compare to other metro areas?
The Deming, NM metro has 84.7% good air days. Similar metros: Hailey, ID (96.6% good), Lake Havasu City-Kingman, AZ (94.8% good), Pierre, SD (93.0% 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.