Metro area air quality · 2025

Show Low, AZ

Median AQI 13 (Good). 99.5% of monitored days rated Good across this metro's EPA monitoring network.

13
Median AQI
99.5%
Good-air days
0
Unhealthy days
99%
Cleaner than US metros

Show Low, AZ posted a 2025 median AQI of 13 (Good) with 99.5% Good days

According to the U.S. EPA Air Quality System, the Show Low, AZ CBSA recorded a median AQI of 13 across 365 monitored days in 2025, with 99.5% 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 Show Low, AZ CBSA's 99.5% Good-day share places it cleaner than 99% of US metros in 2025.
Closest median-AQI peer
Havre, MT (92.1% Good, median AQI 14) is the closest nationwide median-AQI peer to Show Low, AZ.
2020–2025 Good-day shift
Show Low, AZ's Good-day share moved +13.2 points from 2020 to 2025 (median AQI -30).
Median AQI
Median AQI: 13

Aggregated from EPA Air Quality System (2025), 365 monitored days. EPA AQS →

The verdict

The Show Low, AZ metro runs good on the EPA scale, among the cleanest 10% of US metros, a median AQI of 13 with 99.5% of 365 monitored days in the Good band.

13
median AQI · Good
99.5%
days rated Good
99%
cleaner than US metros
54
worst single reading

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

Insights: Show Low, AZ metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 13 over 365 measured days in 2025, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 363 Good days (99%), 2 Moderate (1%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 24 while the highest single-day reading hit 54 (Moderate). Metro residents averaged roughly 29.8 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 +13.2 points and the median AQI moved -30 points, which classifies the multi-year trajectory as improving. The metro recorded no Unhealthy-tier days in this annual dataset. Metros with comparable AQI profiles include Havre, MT (92.1% good, AQI 14); Bozeman, MT (98.1% good, AQI 11); Taos, NM (98.9% good, AQI 16).

Air Quality Summary

Median AQI

13

Good

Good Days

99.5%

363 of 365 days

Max AQI

54

Moderate

Health Grade

Excellent

90th pct: 24

AQI Day Breakdown (2025)

Distribution of 365 monitored days across EPA AQI categories.

Good

363

99%

Moderate

2

1%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Show Low, AZ metro area's air quality is rated Excellent based on 99.5% 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 Show Low, AZ metro compare?

How Show Low, AZ compares

Good-day share better than typical
Show Low, AZ 99.5%
Havre, MT 92.1%
Typical US metro 70.6%
Median AQI better than typical
Show Low, AZ 13
Havre, MT 14
Typical US metro 41
Unhealthy days / yr better than typical
Show Low, AZ 0
Havre, MT 1
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Show Low, AZ metro. Highest Good-day share: 2025 (99.5%, 363 of 365 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 314 50 0 43
2021 292 72 0 44
2022 307 57 0 44
2023 290 74 0 43
2024 359 2 0 13
2025 363 2 0 13

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Show Low, AZ (13).

Metros with similar unhealthy-day exposure

A second relationship type: metros whose unhealthy-or-worse day count is closest to Show Low, AZ'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 Show Low, AZ metro area?
The Show Low, AZ metro area has a median Air Quality Index (AQI) of 13, rated "Good." 99.5% of monitored days (363 out of 365) had good air quality in 2025.
How many unhealthy air days does Show Low, AZ have?
In 2025, the Show Low, AZ metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 54.
Is air quality in Show Low, AZ getting better or worse?
Air quality in the Show Low, AZ metro is improving across floor-qualifying years (2020-2025); years with fewer than 100 monitored days are excluded from that direction. Highest qualifying Good-day share: 2025 at 99.5% (363 of 365 days). Lowest qualifying Good-day share: 2023 at 79.7% (290 of 364 days).
What does AQI 13 mean for health?
An AQI of 13 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 Show Low, AZ?
The 90th percentile AQI for the Show Low, AZ metro area is 24, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 54 (Moderate).
How does Show Low, AZ compare to other metro areas?
The Show Low, AZ metro has 99.5% good air days. Similar metros: Havre, MT (92.1% good), Bozeman, MT (98.1% good), Taos, NM (98.9% 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.