Air Quality in Ozaukee, Wisconsin

43
Current AQI: Good
Primary pollutant: PM2.5 · Updated 03/30/26
37
Median AQI (2024)
161
Max AQI (2024)
→ stable
10-Year Trend
Ozone
Primary Pollutant
296
Good Days (2024)
2
Monitoring Stations

AQI Trend (Median)

Air Quality Days by Category

Annual Summary

YearMedian AQIMax AQI Good DaysModerate DaysUnhealthy Days Ozone DaysPM2.5 Days
2024 37 161296619 190176
2023 45 21021912618 148215
2022 41 159228745 156151
2021 43 1292411167 160204
2020 40 164269915 167198
2019 40 108271893 173190
2018 43 1692541027 201162
2017 40 136276648 205143
2016 38 172269779 189166
2015 40 1222601005 167198

Recent Daily AQI

DateAQICategoryPrimary Pollutant
Dec 31, 2024 26 GoodPM2.5
Dec 30, 2024 29 GoodPM2.5
Dec 29, 2024 41 GoodPM2.5
Dec 28, 2024 18 GoodPM2.5
Dec 27, 2024 58 ModeratePM2.5
Dec 26, 2024 56 ModeratePM2.5
Dec 25, 2024 41 GoodPM2.5
Dec 24, 2024 27 GoodPM2.5
Dec 23, 2024 49 GoodPM2.5
Dec 22, 2024 41 GoodPM2.5
Dec 21, 2024 16 GoodPM2.5
Dec 20, 2024 18 GoodPM2.5
Dec 19, 2024 34 GoodPM2.5
Dec 18, 2024 32 GoodPM2.5
Dec 17, 2024 36 GoodPM2.5
Dec 16, 2024 33 GoodPM2.5
Dec 15, 2024 44 GoodPM2.5
Dec 14, 2024 46 GoodPM2.5
Dec 13, 2024 26 GoodPM2.5
Dec 12, 2024 26 GoodPM2.5
Dec 11, 2024 24 GoodPM2.5
Dec 10, 2024 22 GoodPM2.5
Dec 9, 2024 32 GoodPM2.5
Dec 8, 2024 36 GoodPM2.5
Dec 7, 2024 43 GoodPM2.5
Dec 6, 2024 27 GoodPM2.5
Dec 5, 2024 11 GoodPM2.5
Dec 4, 2024 47 GoodPM2.5
Dec 3, 2024 24 GoodPM2.5
Dec 2, 2024 17 GoodPM2.5
Dec 1, 2024 23 GoodPM2.5
Nov 30, 2024 23 GoodPM2.5
Nov 29, 2024 24 GoodPM2.5
Nov 28, 2024 14 GoodPM2.5
Nov 27, 2024 35 GoodPM2.5
Nov 26, 2024 24 GoodPM2.5
Nov 25, 2024 43 GoodPM2.5
Nov 24, 2024 52 ModeratePM2.5
Nov 23, 2024 22 GoodPM2.5
Nov 22, 2024 5 GoodPM2.5
Nov 21, 2024 11 GoodPM2.5
Nov 20, 2024 14 GoodPM2.5
Nov 19, 2024 32 GoodPM2.5
Nov 18, 2024 42 GoodPM2.5
Nov 17, 2024 48 GoodPM2.5
Nov 16, 2024 48 GoodPM2.5
Nov 15, 2024 38 GoodPM2.5
Nov 14, 2024 19 GoodPM2.5
Nov 13, 2024 19 GoodPM2.5
Nov 12, 2024 7 GoodPM2.5
Nov 11, 2024 11 GoodPM2.5
Nov 10, 2024 23 GoodPM2.5
Nov 9, 2024 18 GoodPM2.5
Nov 8, 2024 26 GoodPM2.5
Nov 7, 2024 30 GoodPM2.5
Nov 6, 2024 8 GoodPM2.5
Nov 5, 2024 11 GoodPM2.5
Nov 4, 2024 24 GoodPM2.5
Nov 3, 2024 28 GoodPM2.5
Nov 2, 2024 38 GoodPM2.5
Nov 1, 2024 13 GoodPM2.5
Oct 31, 2024 7 GoodPM2.5
Oct 30, 2024 60 ModeratePM2.5
Oct 29, 2024 56 ModeratePM2.5
Oct 28, 2024 31 GoodPM2.5
Oct 27, 2024 31 GoodPM2.5
Oct 26, 2024 18 GoodPM2.5
Oct 25, 2024 22 GoodPM2.5
Oct 24, 2024 19 GoodPM2.5
Oct 23, 2024 24 GoodPM2.5
Oct 22, 2024 52 ModeratePM2.5
Oct 21, 2024 51 ModeratePM2.5
Oct 20, 2024 45 GoodPM2.5
Oct 19, 2024 37 GoodPM2.5
Oct 18, 2024 34 GoodPM2.5
Oct 17, 2024 22 GoodPM2.5
Oct 16, 2024 13 GoodPM2.5
Oct 15, 2024 29 GoodOzone
Oct 14, 2024 28 GoodOzone
Oct 13, 2024 28 GoodOzone
Oct 12, 2024 34 GoodOzone
Oct 11, 2024 54 ModerateOzone
Oct 10, 2024 39 GoodOzone
Oct 9, 2024 34 GoodOzone
Oct 8, 2024 33 GoodOzone
Oct 7, 2024 36 GoodOzone
Oct 6, 2024 48 GoodPM2.5
Oct 5, 2024 61 ModerateOzone
Oct 4, 2024 34 GoodOzone
Oct 3, 2024 39 GoodOzone

Monitoring Stations

GRAFTON
Not in a City
Est. 1991-06-05
43.3432, -87.9209
HARRINGTON BEACH PARK
Not in a City
Est. 1994-06-08
43.4983, -87.8102

Frequently Asked Questions

What is the air quality in Ozaukee, Wisconsin?

Based on EPA data from 2024, Ozaukee has a median Air Quality Index (AQI) of 37, which is classified as "Good." The primary pollutant is Ozone. Over the past 10 years, air quality has been stable.

Is Ozaukee a good place to live for air quality?

Ozaukee has a 10-year average median AQI of 40. In 2024, there were 296 days with "Good" air quality and 9 days with unhealthy conditions. No special precautions are needed for most people.

What pollutants affect Ozaukee the most?

The primary pollutant driving the AQI in Ozaukee is Ozone. This is monitored by 2 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 Ozaukee?

There are 2 active EPA monitoring stations in Ozaukee, Wisconsin. These stations continuously measure pollutant levels and contribute to the daily AQI calculations.