What is the air quality trend in Puchuan?

Over the past 8 days, Puchuan had an average AQI of 53 based on station measurements. The worst day was 2026-08-05 with AQI 78.

How is Puchuan air quality measured?

Air quality in Puchuan 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 Puchuan, China

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

Historical PM2.5 and AQI trend from monitoring stations near Puchuan, China.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

107h

PM2.5 Station

107h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	30	25–34	7.1 µg/m³	2h	1
2026-08-07	55	21–93	15.2 µg/m³	15h	1
2026-08-06	75	38–119	23.9 µg/m³	13h	2
2026-08-05	78	34–132	24.9 µg/m³	10h	2
2026-08-04	45	16–81	11.7 µg/m³	18h	1
2026-08-03	45	21–118	12.5 µg/m³	18h	1
2026-08-02	48	16–78	12.9 µg/m³	15h	2
2026-08-01	52	21–117	14.7 µg/m³	16h	2

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