Hancock, Maine Air Quality
Hancock County, Maine (ME)
→ 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 | 38 | 54 | 93 | 314 | 51 | 0 | Ozone |
| 2022 | 36 | 50 | 112 | 326 | 34 | 1 | Ozone |
| 2021 | 36 | 52 | 133 | 324 | 38 | 3 | Ozone |
| 2020 | 36 | 50 | 105 | 336 | 29 | 1 | Ozone |
| 2019 | 37 | 49 | 105 | 339 | 25 | 1 | Ozone |
| 2018 | 37 | 50 | 122 | 331 | 33 | 1 | Ozone |
| 2017 | 37 | 51 | 182 | 325 | 34 | 6 | Ozone |
| 2016 | 38 | 52 | 122 | 326 | 38 | 2 | Ozone |
| 2015 | 38 | 54 | 143 | 315 | 47 | 3 | Ozone |
| 2014 | 36 | 48 | 105 | 341 | 23 | 1 | Ozone |
What This Means for Hancock County Residents
Hancock, Maine has received an Air Quality Grade of B (67/100) based on a decade of monitoring data from the EPA's air quality monitoring program. The current median AQI of 38 falls in the "Good" range.
The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 1 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 Maine
Frequently Asked Questions
Hancock, Maine has a current median AQI of 38, which falls in the "Good" range. The area has received an Air Quality Grade of B (67/100) based on 10 years of EPA monitoring data.
Air quality in Hancock, Maine is stable over the past decade. The median AQI has changed by +2 points from 2014 to 2023.
Hancock, Maine averages 1 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 Hancock, Maine is Ground-Level Ozone. This is the dominant contributor to elevated AQI readings in the Hancock County area.
Hancock, Maine averages 1 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 38 (Good), outdoor exercise in Hancock, Maine is generally safe year-round. Hancock, Maine averages 1 days per year when athletes should move workouts indoors.