What is the air quality trend in West Mifflin?

Over the past 8 days, West Mifflin had an average AQI of 51 based on station measurements. The worst day was 2026-07-16 with AQI 69.

How is West Mifflin air quality measured?

Air quality in West Mifflin is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for West Mifflin, United States

Name: West Mifflin Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near West Mifflin, United States.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	28	20–32	6.6 µg/m³	7h	6
2026-07-21	41	12–63	10.4 µg/m³	23h	5
2026-07-20	40	16–84	10.2 µg/m³	24h	5
2026-07-19	47	17–125	12.4 µg/m³	22h	4
2026-07-18	66	16–218	23.8 µg/m³	23h	5
2026-07-17	64	29–163	20.1 µg/m³	24h	4
2026-07-16	69	9–180	24.8 µg/m³	22h	4
2026-07-15	60	21–159	18.7 µg/m³	16h	5

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