Manitowoc, Wisconsin Air Quality
Manitowoc County, Wisconsin (WI)
→ Stableover 10 years
10-Year AQI Trend
The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days).
Air Quality Day Breakdown
Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).
Year-by-Year Data
| Year | Median AQI | 90th Pct | Max AQI | Good Days | Moderate | Unhealthy+ | Pollutant |
|---|---|---|---|---|---|---|---|
| 2023 | 40 | 71 | 177 | 162 | 40 | 3 | Ozone |
| 2022 | 38 | 71 | 182 | 167 | 25 | 6 | Ozone |
| 2021 | 39 | 64 | 119 | 174 | 30 | 3 | Ozone |
| 2020 | 36 | 58 | 136 | 169 | 19 | 4 | Ozone |
| 2019 | 36 | 48 | 100 | 187 | 15 | 0 | Ozone |
| 2018 | 40 | 64 | 169 | 202 | 30 | 7 | Ozone |
| 2017 | 38 | 50 | 126 | 216 | 17 | 4 | Ozone |
| 2016 | 37 | 67 | 147 | 160 | 21 | 7 | Ozone |
| 2015 | 38 | 67 | 133 | 159 | 27 | 5 | Ozone |
| 2014 | 38 | 51 | 119 | 180 | 20 | 1 | Ozone |
What This Means for Manitowoc County Residents
Manitowoc, Wisconsin has received an Air Quality Grade of B (65/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 40 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 3 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity. The American Lung Association's State of the Air report provides additional context on long-term health risks from air pollution exposure.
Related Cities in Wisconsin
Frequently Asked Questions
Manitowoc, Wisconsin has a current median AQI of 40, which falls in the "Good" range. The area has received an Air Quality Grade of B (65/100) based on 10 years of EPA monitoring data.
Air quality in Manitowoc, Wisconsin is stable over the past decade. The median AQI has changed by +2 points from 2014 to 2023.
Manitowoc, Wisconsin averages 3 unhealthy air quality days per year over the past 5 years. On these days, sensitive groups including children, the elderly, and those with respiratory conditions should limit outdoor activity.
The primary pollutant affecting Manitowoc, Wisconsin is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Manitowoc County area.
Manitowoc, Wisconsin averages 3 unhealthy air days per year. This is relatively low, making it a reasonable choice for asthma sufferers. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 40 (Good), outdoor exercise in Manitowoc, Wisconsin is generally safe year-round. Manitowoc, Wisconsin averages 3 days per year when athletes should move workouts indoors.