What is the air quality trend in Zigong?

Over the past 15 days, Zigong had an average AQI of 58 based on station measurements. The worst day was 2026-09-05 with AQI 71.

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.

144

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

313h

PM2.5 Station

313h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	71	38–96	21.7 µg/m³	13h	2
2026-09-04	70	42–124	21.5 µg/m³	24h	2
2026-09-03	63	21–165	19.8 µg/m³	23h	1
2026-09-02	67	29–161	21.0 µg/m³	23h	2
2026-09-01	54	20–107	15.5 µg/m³	21h	2
2026-08-31	47	23–98	12.6 µg/m³	21h	2
2026-08-30	56	28–87	15.7 µg/m³	23h	2
2026-08-29	65	38–112	19.1 µg/m³	24h	2
2026-08-28	59	25–98	16.6 µg/m³	21h	2
2026-08-27	54	26–110	14.6 µg/m³	24h	2
2026-08-26	61	30–153	17.5 µg/m³	24h	2
2026-08-25	56	22–132	15.6 µg/m³	22h	2
2026-08-24	50	25–80	13.5 µg/m³	21h	2
2026-08-23	57	16–202	19.5 µg/m³	23h	2
2026-08-22	53	21–87	16.5 µg/m³	6h	2

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