Androscoggin, Maine Air Quality
Androscoggin County, Maine (ME)
↓ Improvingover 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). This area has seen measurable air quality improvement over the decade.
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 | 35 | 55 | 77 | 296 | 63 | 0 | PM2.5 |
| 2022 | 32 | 48 | 97 | 327 | 31 | 0 | Ozone |
| 2021 | 36 | 53 | 95 | 303 | 53 | 0 | PM2.5 |
| 2020 | 34 | 49 | 70 | 327 | 33 | 0 | PM2.5 |
| 2019 | 33 | 49 | 76 | 327 | 34 | 0 | PM2.5 |
| 2018 | 34 | 54 | 84 | 309 | 52 | 0 | PM2.5 |
| 2017 | 44 | 60 | 100 | 233 | 126 | 0 | PM2.5 |
| 2016 | 35 | 54 | 82 | 297 | 61 | 0 | PM2.5 |
| 2015 | 43 | 61 | 97 | 236 | 122 | 0 | PM2.5 |
| 2014 | 42 | 61 | 90 | 245 | 102 | 0 | PM2.5 |
What This Means for Androscoggin County Residents
Androscoggin, Maine has received an Air Quality Grade of B (75/100) based on a decade of EPA monitoring data. The current median AQI of 35 falls in the "Good" range.
Encouragingly, air quality here has been improving, with the median AQI dropping by 7 points over the monitoring period. This trend suggests continued investment in emission controls and cleaner energy.
The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). Over the past 5 years, this area has averaged 0 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.