What is the air quality trend in Puchuan?

Over the past 14 days, Puchuan had an average AQI of 68 based on station measurements. The worst day was 2026-06-02 with AQI 90.

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

244h

PM2.5 Station

244h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	64	28–129	19.0 µg/m³	15h	2
2026-06-07	73	19–157	23.4 µg/m³	15h	2
2026-06-06	56	25–88	16.0 µg/m³	17h	1
2026-06-05	57	19–127	16.6 µg/m³	16h	1
2026-06-04	62	30–139	18.2 µg/m³	16h	2
2026-06-03	72	26–158	23.2 µg/m³	17h	1
2026-06-02	90	55–154	30.2 µg/m³	20h	2
2026-06-01	77	46–159	24.7 µg/m³	20h	2
2026-05-31	81	50–153	26.0 µg/m³	12h	1
2026-05-30	81	46–142	25.8 µg/m³	21h	1
2026-05-29	57	24–85	15.5 µg/m³	18h	2
2026-05-28	65	34–117	19.2 µg/m³	19h	1
2026-05-27	65	39–99	19.0 µg/m³	20h	2
2026-05-26	52	12–76	13.8 µg/m³	18h	1

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