Muskegon, Michigan Air Quality
Muskegon County, Michigan (MI)
→ 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 | 41 | 87 | 147 | 187 | 44 | 11 | Ozone |
| 2022 | 37 | 58 | 187 | 211 | 25 | 7 | Ozone |
| 2021 | 40 | 71 | 129 | 209 | 48 | 8 | Ozone |
| 2020 | 37 | 64 | 143 | 210 | 32 | 6 | Ozone |
| 2019 | 38 | 50 | 133 | 236 | 25 | 1 | Ozone |
| 2018 | 40 | 67 | 174 | 203 | 31 | 6 | Ozone |
| 2017 | 39 | 67 | 140 | 202 | 38 | 5 | Ozone |
| 2016 | 41 | 71 | 159 | 138 | 33 | 7 | Ozone |
| 2015 | 42 | 71 | 159 | 139 | 31 | 6 | Ozone |
| 2014 | 41 | 74 | 129 | 147 | 30 | 6 | Ozone |
What This Means for Muskegon County Residents
Muskegon, Michigan has received an Air Quality Grade of B (66/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 41 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 7 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 Michigan
Frequently Asked Questions
Muskegon, Michigan has a current median AQI of 41, which falls in the "Good" range. The area has received an Air Quality Grade of B (66/100) based on 10 years of EPA monitoring data.
Air quality in Muskegon, Michigan is stable over the past decade. The median AQI has changed by 0 points from 2014 to 2023.
Muskegon, Michigan averages 7 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 Muskegon, Michigan is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Muskegon County area.
Muskegon, Michigan averages 7 unhealthy air days per year. Asthma patients should monitor daily AQI readings and limit outdoor activity when AQI exceeds 100. The primary pollutant is Ground-Level Ozone, which is a known asthma trigger.
With a median AQI of 41 (Good), outdoor exercise in Muskegon, Michigan is generally safe year-round. Muskegon, Michigan averages 7 days per year when athletes should move workouts indoors.