What is the air quality trend in Pittsburg?

Over the past 3 days, Pittsburg had an average AQI of 25 based on station measurements. The worst day was 2026-10-21 with AQI 32.

How is Pittsburg air quality measured?

Air quality in Pittsburg 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 Pittsburg, United States

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

45h

PM2.5 Station

45h · 107 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	32	29–35	7.6 µg/m³	—	4h	107
2026-10-20	21	17–48	5.0 µg/m³	8.7	24h	94
2026-10-19	22	20–25	5.2 µg/m³	13.9	17h	105

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