Metro area air quality · 2025

Scottsbluff, NE

Median AQI 37 (Good). 88.7% of monitored days rated Good across this metro's EPA monitoring network.

37
Median AQI
88.7%
Good-air days
0
Unhealthy days
84%
Cleaner than US metros

Scottsbluff, NE posted a 2025 median AQI of 37 (Good) with 88.7% Good days

According to the U.S. EPA Air Quality System, the Scottsbluff, NE CBSA recorded a median AQI of 37 across 346 monitored days in 2025, with 88.7% 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 Scottsbluff, NE CBSA's 88.7% Good-day share places it cleaner than 84% of US metros in 2025.
Closest median-AQI peer
Alexandria, LA (73.7% Good, median AQI 37) is the closest nationwide median-AQI peer to Scottsbluff, NE.
2020–2025 Good-day shift
Scottsbluff, NE's Good-day share moved +27.1 points from 2020 to 2025 (median AQI +1).
Median AQI
Median AQI: 37

Aggregated from EPA Air Quality System (2025), 346 monitored days. EPA AQS →

The verdict

Scottsbluff, NE sits in the upper Good-day tercile among EPA CBSA metros on this site (88.7% of 346 monitored days). On the EPA scale the metro runs good, cleaner than most US metros, with a median AQI of 37 and 88.7% of 346 monitored days in the Good band.

37
median AQI · Good
88.7%
days rated Good
84%
cleaner than US metros
100
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
  • Scottsbluff, NE metro's Good-day share rose from 75.6% to 88.7% between the 2024 and 2025 EPA annual releases, a change of +13.1 percentage points.
  • Scottsbluff, NE metro's peak single-day AQI fell from 143 to 100 between the 2024 and 2025 EPA annual releases, a change of -43 points.
  • Scottsbluff, NE metro's median AQI fell from 44 to 37 between the 2024 and 2025 EPA annual releases, a change of -7 points.

Compared against 340 monitored days in 2024 and 346 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

Scottsbluff, NE sits in the upper Good-day tercile among EPA CBSA metros on this site (88.7% of 346 monitored days). Signature read: 88.7% Good-day share (high tercile vs CBSA corpus). Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 37 over 346 measured days in 2025 (Good / Good). The monitored-day split lands at 307 Good (89%), 39 Moderate (11%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 52; the highest single-day reading hit 100 (Moderate).

Across 2020–2025, Good-day share shifted +27.1 points and median AQI moved +1 (improving). No Unhealthy-tier days appear in this annual dataset. Metros with comparable AQI profiles include Alexandria, LA (73.7% good, AQI 37); Athens, TN (78.2% good, AQI 37); Bennington, VT (83.6% good, AQI 37).

Best and worst city air quality →

Air Quality Summary

Median AQI

37

Good

Good Days

88.7%

307 of 346 days

Max AQI

100

Moderate

Health Grade

Good

90th pct: 52

AQI Day Breakdown (2025)

Distribution of 346 monitored days across EPA AQI categories.

Good

307

89%

Moderate

39

11%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Good

The Scottsbluff, NE metro area's air quality is rated Good based on 88.7% 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 Scottsbluff, NE metro compare?

How Scottsbluff, NE compares

Good-day share better than typical
Scottsbluff, NE 88.7%
Alexandria, LA 73.7%
Typical US metro 70.6%
Median AQI better than typical
Scottsbluff, NE 37
Alexandria, LA 37
Typical US metro 41
Unhealthy days / yr better than typical
Scottsbluff, NE 0
Alexandria, LA 0
Typical US metro 1

5-Year Air Quality Trend

Air quality is improving in the Scottsbluff, NE metro. Highest Good-day share: 2022 (97.6%, 331 of 339 monitored days).

Year Good Moderate Unhealthy Median AQI
2020 170 106 0 36
2021 294 38 0 21
2022 331 8 0 16
2023 298 44 0 21
2024 257 83 0 44
2025 307 39 0 37

Metros with a similar median AQI

CBSA peers nationwide whose annual median AQI sits near Scottsbluff, NE (37).

Metros with similar unhealthy-day exposure

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

Frequently Asked Questions

How many unhealthy air days does Scottsbluff, NE have?
In 2025, the Scottsbluff, NE metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 100.
What is the air quality in the Scottsbluff, NE metro area?
The Scottsbluff, NE metro area has a median Air Quality Index (AQI) of 37, rated "Good." 88.7% of monitored days (307 out of 346) had good air quality in 2025.
Is air quality in Scottsbluff, NE getting better or worse?
Air quality in the Scottsbluff, NE 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: 2022 at 97.6% (331 of 339 days). Lowest qualifying Good-day share: 2020 at 61.6% (170 of 276 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.
How does Scottsbluff, NE compare to other metro areas?
The Scottsbluff, NE metro has 88.7% good air days. Similar metros: Alexandria, LA (73.7% good), Athens, TN (78.2% good), Bennington, VT (83.6% good).
What is the 90th percentile AQI for Scottsbluff, NE?
The 90th percentile AQI for the Scottsbluff, NE metro area is 52, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 100 (Moderate).

Data Sources

Primary Source: U.S. Environmental Protection Agency (EPA), Air Quality System (AQS), Annual AQI by CBSA dataset for Scottsbluff, NE, 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, Scottsbluff, NE · 2020–2025