Aliquippa, Pennsylvania Air Quality
Aliquippa has a median AQI of 47, earning an air quality grade of B+ — good air quality that ranks better than 21% 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, Aliquippa recorded 115 good air quality days (54% of monitored days) and 1 unhealthy days.
Population: 9,079 • County: Beaver
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Quick Facts
| Current AQI | 7 — Good |
| Air Quality Grade | B+ |
| Median AQI (2025) | 47 |
| vs. U.S. Cities | Better than 21% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 1 |
| 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 Aliquippa Air Quality
What is the air quality in Aliquippa today?
The current AQI in Aliquippa is 7, which is rated "Good". Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Aliquippa getting better or worse?
Air quality in Aliquippa has been improving over the past decade. The median AQI dropped from 52 in 2016 to 47 in 2025.
What is the most common air pollutant in Aliquippa?
PM2.5 is the primary air pollutant in Aliquippa, responsible for the most air quality-impacted days in 2025. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Aliquippa have per year?
In 2025, Aliquippa had 1 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 115 good days and 96 moderate days out of 212 days monitored.
What air quality grade does Aliquippa receive?
Aliquippa receives an air quality grade of B+, placing it better than 21% of US cities. This grade is based on a median AQI of 47 for 2025, derived from EPA monitoring data.
Air Quality Grade
Better than 21% of US cities
Nearby Cities
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National Rankings
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Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Aliquippa
Based on your area's air quality (median AQI: 47), we recommend these air purifiers to help protect your health indoors.
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