Air Quality in Winona, Minnesota

20
Median AQI (2024)
63
Max AQI (2024)
→ stable
10-Year Trend
PM2.5
Primary Pollutant
114
Good Days (2024)
3
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 20 6311480 0122
2023 28 16995222 0119
2022 22 6511380 0121
2021 24 80101150 0116
2020 22 5711270 0119
2019 21 65102130 0115
2018 26 8096170 0113
2017 22 65104150 0119
2016 19 72106110 0117
2015 24 76108120 0120

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 29, 2024 6 GoodPM2.5
Dec 26, 2024 37 GoodPM2.5
Dec 23, 2024 51 ModeratePM2.5
Dec 20, 2024 13 GoodPM2.5
Dec 17, 2024 32 GoodPM2.5
Dec 14, 2024 53 ModeratePM2.5
Dec 11, 2024 18 GoodPM2.5
Dec 8, 2024 21 GoodPM2.5
Dec 5, 2024 10 GoodPM2.5
Dec 2, 2024 17 GoodPM2.5
Nov 29, 2024 26 GoodPM2.5
Nov 26, 2024 18 GoodPM2.5
Nov 23, 2024 28 GoodPM2.5
Nov 20, 2024 7 GoodPM2.5
Nov 17, 2024 22 GoodPM2.5
Nov 14, 2024 35 GoodPM2.5
Nov 11, 2024 8 GoodPM2.5
Nov 8, 2024 16 GoodPM2.5
Nov 5, 2024 4 GoodPM2.5
Nov 2, 2024 16 GoodPM2.5
Oct 30, 2024 36 GoodPM2.5
Oct 27, 2024 17 GoodPM2.5
Oct 24, 2024 28 GoodPM2.5
Oct 21, 2024 52 ModeratePM2.5
Oct 18, 2024 40 GoodPM2.5
Oct 15, 2024 4 GoodPM2.5
Oct 12, 2024 18 GoodPM2.5
Oct 9, 2024 14 GoodPM2.5
Oct 6, 2024 23 GoodPM2.5
Oct 3, 2024 29 GoodPM2.5
Sep 30, 2024 26 GoodPM2.5
Sep 27, 2024 21 GoodPM2.5
Sep 24, 2024 16 GoodPM2.5
Sep 21, 2024 22 GoodPM2.5
Sep 18, 2024 38 GoodPM2.5
Sep 15, 2024 27 GoodPM2.5
Sep 12, 2024 48 GoodPM2.5
Sep 9, 2024 28 GoodPM2.5
Sep 6, 2024 9 GoodPM2.5
Sep 3, 2024 18 GoodPM2.5
Aug 31, 2024 17 GoodPM2.5
Aug 28, 2024 26 GoodPM2.5
Aug 25, 2024 53 ModeratePM2.5
Aug 22, 2024 25 GoodPM2.5
Aug 19, 2024 63 ModeratePM2.5
Aug 16, 2024 22 GoodPM2.5
Aug 13, 2024 26 GoodPM2.5
Aug 10, 2024 12 GoodPM2.5
Aug 7, 2024 21 GoodPM2.5
Aug 4, 2024 38 GoodPM2.5
Aug 1, 2024 27 GoodPM2.5
Jul 29, 2024 26 GoodPM2.5
Jul 26, 2024 52 ModeratePM2.5
Jul 23, 2024 54 ModeratePM2.5
Jul 20, 2024 34 GoodPM2.5
Jul 17, 2024 22 GoodPM2.5
Jul 14, 2024 29 GoodPM2.5
Jul 11, 2024 41 GoodPM2.5
Jul 8, 2024 18 GoodPM2.5
Jul 5, 2024 11 GoodPM2.5
Jul 2, 2024 19 GoodPM2.5
Jun 29, 2024 12 GoodPM2.5
Jun 26, 2024 16 GoodPM2.5
Jun 23, 2024 11 GoodPM2.5
Jun 20, 2024 13 GoodPM2.5
Jun 17, 2024 38 GoodPM2.5
Jun 14, 2024 16 GoodPM2.5
Jun 11, 2024 22 GoodPM2.5
Jun 8, 2024 17 GoodPM2.5
Jun 5, 2024 12 GoodPM2.5
Jun 2, 2024 22 GoodPM2.5
May 30, 2024 14 GoodPM2.5
May 27, 2024 13 GoodPM2.5
May 24, 2024 23 GoodPM2.5
May 21, 2024 21 GoodPM2.5
May 18, 2024 29 GoodPM2.5
May 15, 2024 24 GoodPM2.5
May 12, 2024 24 GoodPM2.5
May 9, 2024 14 GoodPM2.5
May 6, 2024 15 GoodPM2.5
May 3, 2024 7 GoodPM2.5
Apr 30, 2024 7 GoodPM2.5
Apr 27, 2024 14 GoodPM2.5
Apr 24, 2024 11 GoodPM2.5
Apr 21, 2024 19 GoodPM2.5
Apr 18, 2024 13 GoodPM2.5
Apr 15, 2024 13 GoodPM2.5
Apr 12, 2024 9 GoodPM2.5
Apr 9, 2024 9 GoodPM2.5
Apr 6, 2024 13 GoodPM2.5

Monitoring Stations

Unavailable
Not in a city
Est. 2003-11-01
44.0500, -91.6335
Great River Bluffs
Not in a City
Est. 2002-01-01
43.9373, -91.4053
Winona
Winona
Est. 2014-01-01
44.0528, -91.6427

Frequently Asked Questions

What is the air quality in Winona, Minnesota?

Based on EPA data from 2024, Winona has a median Air Quality Index (AQI) of 20, which is classified as "Good." The primary pollutant is PM2.5. Over the past 10 years, air quality has been stable.

Is Winona a good place to live for air quality?

Winona has a 10-year average median AQI of 22. In 2024, there were 114 days with "Good" air quality and 0 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Winona the most?

The primary pollutant driving the AQI in Winona is PM2.5. This is monitored by 3 active EPA stations in the county. Other pollutants tracked include ozone, PM10, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

How many air quality monitoring stations are in Winona?

There are 3 active EPA monitoring stations in Winona, Minnesota. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.