Mill Village, Pennsylvania Air Quality
Mill Village has a median AQI of 31, earning an air quality grade of A — excellent air quality that ranks better than 87% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Mill Village recorded 223 good air quality days (81% of monitored days).
Population: 334 • County: Erie
Current AQI
Quick Facts
| Current AQI | 11 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 31 |
| vs. U.S. Cities | Better than 87% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Mill Village is sourced from the Farrell monitoring area, located approximately 53 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Mill Village has relatively consistent air quality throughout the year without a strong seasonal peak. Air quality is primarily influenced by local traffic, industrial activity, and regional weather patterns rather than a single seasonal driver.
AQI Trend (10 Years)
Air Quality Days by Year
Mill Village Median AQI by Year
Annual EPA air quality data for Mill Village — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 31 | 223 | — | 99 | PM2.5 |
| 2024 | 38 | 295 | — | 93 | Ozone |
| 2023 | 42 | 240 | 9 | 180 | PM2.5 |
| 2022 | 38 | 286 | — | 90 | PM2.5 |
| 2021 | 38 | 255 | — | 92 | PM2.5 |
| 2020 | 36 | 298 | — | 87 | Ozone |
| 2019 | 39 | 271 | — | 93 | PM2.5 |
| 2018 | 44 | 224 | — | 84 | PM2.5 |
| 2017 | 43 | 231 | 1 | 122 | PM2.5 |
| 2016 | 44 | 233 | 2 | 129 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Mill Village Air Quality
What is the air quality in Mill Village today?
The current AQI in Mill Village is 11, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Mill Village getting better or worse?
Air quality in Mill Village has been improving. The median AQI has dropped 13 points (from 44 in 2016 to 31 in 2025), a positive trend for residents.
What is the most common air pollutant in Mill Village?
PM2.5 is the primary air pollutant in Mill Village, responsible for 149 days (54% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Mill Village have per year?
In 2025, Mill Village recorded 81% good air quality days (223 days) out of 274 monitored days. There were 0 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 99.
What air quality grade does Mill Village receive?
Mill Village receives an air quality grade of A, placing it better than 87% of US cities. This is based on a median AQI of 31 in 2025, with 223 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 87% of US cities
Nearby Cities
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National Rankings
See how Mill Village compares to every other US city by air quality.
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