What is the air quality trend in Zigong?

Over the past 14 days, Zigong had an average AQI of 63 based on station measurements. The worst day was 2026-05-27 with AQI 73.

How is Zigong air quality measured?

Air quality in Zigong 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 Zigong, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

310h

PM2.5 Station

310h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	63	20–89	18.2 µg/m³	22h	2
2026-05-28	59	13–97	16.7 µg/m³	23h	2
2026-05-27	73	50–119	22.5 µg/m³	24h	2
2026-05-26	58	25–134	16.7 µg/m³	23h	2
2026-05-25	52	18–112	14.2 µg/m³	24h	2
2026-05-24	59	13–99	17.1 µg/m³	23h	2
2026-05-23	71	41–152	21.8 µg/m³	23h	2
2026-05-22	66	38–99	19.3 µg/m³	20h	2
2026-05-21	70	30–117	21.7 µg/m³	20h	2
2026-05-20	62	30–117	18.0 µg/m³	22h	2
2026-05-19	58	23–80	16.1 µg/m³	24h	2
2026-05-18	63	22–166	19.8 µg/m³	21h	2
2026-05-17	56	25–89	15.3 µg/m³	22h	2
2026-05-16	72	26–153	22.2 µg/m³	19h	2

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