What is the air quality trend in Puchuan?

Over the past 8 days, Puchuan had an average AQI of 52 based on station measurements. The worst day was 2026-08-06 with AQI 73.

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

118h

PM2.5 Station

118h · 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	44	25–63	11.6 µg/m³	5h	1
2026-08-07	59	25–93	16.5 µg/m³	16h	1
2026-08-06	73	39–117	22.4 µg/m³	15h	1
2026-08-05	69	34–132	21.3 µg/m³	18h	1
2026-08-04	41	21–88	10.7 µg/m³	19h	1
2026-08-03	42	21–106	11.1 µg/m³	17h	1
2026-08-02	46	10–80	12.3 µg/m³	15h	1
2026-08-01	45	17–74	11.9 µg/m³	13h	2

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