Metro area air quality · 2024

Red Wing, MN

Median AQI 38 (Good). 93.5% of monitored days rated Good across this metro's EPA monitoring network.

38
Median AQI
93.5%
Good-air days
0
Unhealthy days
92%
Cleaner than US metros

Aggregated from EPA Air Quality System (2024), 248 monitored days. EPA AQS → · NOAA →

Insights: Red Wing, MN metro. Aggregated EPA AQS monitors across this Core-Based Statistical Area logged a median Air Quality Index of 38 over 248 measured days in 2024, which corresponds to a Good band and a Excellent metro-wide health grade. The monitored-day split lands at 232 Good days (94%), 16 Moderate (6%), and 0 Unhealthy-for-Sensitive-Groups (0%). The 90th-percentile AQI finished at 48 while the highest single-day reading hit 67 (Moderate). Metro residents averaged roughly 28.1 clean-air days per 30-day window across the reporting year.

Across the 2020–2024 trend window, good days shifted by +31 and the median AQI moved +3 points, which classifies the multi-year trajectory as improving. 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 Americus, GA (93.4% good, AQI 38); Beaver Dam, WI (81.2% good, AQI 38); Blacksburg-Christiansburg-Radford, VA (91.9% good, AQI 38).

Air Quality Summary

Median AQI

38

Good

Good Days

93.5%

232 of 248 days

Max AQI

67

Moderate

Health Grade

Excellent

90th pct: 48

AQI Day Breakdown (2024)

Distribution of 248 monitored days across EPA AQI categories.

Good

232

94%

Moderate

16

6%

USG

0

0%

Unhealthy

0

0%

Very Unhealthy

0

0%

Hazardous

0

0%

Health Impact Assessment

Excellent

The Red Wing, MN metro area's air quality is rated Excellent based on 93.5% 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 Red Wing, MN metro compare?

How Red Wing, MN compares

Good-day share better than US avg
Red Wing, MN 93.5%
Americus, GA 93.4%
US average 70.2%
Median AQI better than US avg
Red Wing, MN 38
Americus, GA 38
US average 41
Unhealthy days / yr better than US avg
Red Wing, MN 0
Americus, GA 0
US average 1

5-Year Air Quality Trend

Air quality is improving in the Red Wing, MN metro. Best year: 2024 (232 good days).

Year Good Moderate Unhealthy Median AQI
2020 201 9 0 35
2021 193 23 0 39
2022 210 10 0 38
2023 198 35 0 43
2024 232 16 0 38

Metros with Similar Air Quality

Metro areas across the US with a similar median AQI to Red Wing, MN.

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 Red Wing, MN metro area?
The Red Wing, MN metro area has a median Air Quality Index (AQI) of 38, rated "Good." 93.5% of monitored days (232 out of 248) had good air quality in 2024.
How many unhealthy air days does Red Wing, MN have?
In 2024, the Red Wing, MN metro area recorded 0 unhealthy air days (0 Unhealthy, 0 Very Unhealthy, 0 Hazardous). The maximum AQI reached 67.
Is air quality in Red Wing, MN getting better or worse?
Air quality in the Red Wing, MN metro is improving based on 5-year trends (2020-2024). Best year: 2024 with 232 good days. Worst year: 2021 with 193 good days.
What does AQI 38 mean for health?
An AQI of 38 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 Red Wing, MN?
The 90th percentile AQI for the Red Wing, MN metro area is 48, meaning 90% of monitored days had an AQI at or below this level. The maximum AQI recorded was 67 (Moderate).
How does Red Wing, MN compare to other metro areas?
The Red Wing, MN metro has 93.5% good air days. Similar metros: Americus, GA (93.4% good), Beaver Dam, WI (81.2% good), Blacksburg-Christiansburg-Radford, VA (91.9% 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