West Middletown, Pennsylvania Air Quality
West Middletown has a median AQI of 42, earning an air quality grade of A- — excellent air quality that ranks better than 44% of US cities. Air quality has been improving steadily over the past decade, a positive sign for residents. Ground-level ozone is the primary concern, typically peaking on warm sunny days due to vehicle and industrial emissions. In 2025, West Middletown recorded 151 good air quality days (71% of monitored days).
Population: 67 • County: Washington
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Quick Facts
| Current AQI | 8 — Good |
| Air Quality Grade | A- |
| Median AQI (2025) | 42 |
| vs. U.S. Cities | Better than 44% |
| Primary Pollutant | Ozone |
| Unhealthy Days/Year | 0 |
| 10-Year Trend | ↑ Improving |
| Data Source | EPA AirNow |
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 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
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 West Middletown Air Quality
What is the air quality in West Middletown today?
The current AQI in West Middletown is 8, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in West Middletown getting better or worse?
Air quality in West Middletown has been improving over the past decade. The median AQI dropped from 55 in 2016 to 42 in 2025.
What is the most common air pollutant in West Middletown?
Ozone is the primary air pollutant in West Middletown, responsible for the most air quality-impacted days in 2025. Ground-level ozone forms when sunlight reacts with vehicle and industrial emissions on warm days.
How many unhealthy air days does West Middletown have per year?
In 2025, West Middletown had 0 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 151 good days and 61 moderate days out of 212 days monitored.
What air quality grade does West Middletown receive?
West Middletown receives an air quality grade of A-, placing it better than 44% of US cities. This grade is based on a median AQI of 42 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 44% of US cities
Nearby Cities
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National Rankings
See how West Middletown compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for West Middletown
Based on your area's air quality (median AQI: 42), we recommend these air purifiers to help protect your health indoors.
RabbitAir MinusA2
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Other Great Options
Molekule Air Pro
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Blueair Blue Pure 211+
High performance for large rooms with simple operation.
Dyson Pure Cool TP04
Premium all-in-one air purifier and fan with advanced features.
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