What is the air quality trend in Gejiu?

Over the past 15 days, Gejiu had an average AQI of 63 based on station measurements. The worst day was 2026-05-15 with AQI 100.

How is Gejiu air quality measured?

Air quality in Gejiu 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 Gejiu, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

215h

PM2.5 Station

215h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	63	26–95	19.1 µg/m³	12h	1
2026-05-28	90	46–500	53.1 µg/m³	16h	2
2026-05-27	79	50–159	25.7 µg/m³	18h	1
2026-05-26	55	25–95	15.7 µg/m³	12h	2
2026-05-25	54	30–95	15.3 µg/m³	14h	1
2026-05-24	67	13–95	20.6 µg/m³	14h	1
2026-05-23	55	35–89	14.8 µg/m³	14h	1
2026-05-22	66	30–103	20.1 µg/m³	18h	1
2026-05-21	52	25–109	14.2 µg/m³	13h	1
2026-05-20	56	13–84	15.7 µg/m³	17h	2
2026-05-19	62	13–127	18.5 µg/m³	18h	1
2026-05-18	52	25–91	14.4 µg/m³	17h	1
2026-05-17	54	21–164	16.1 µg/m³	19h	2
2026-05-16	51	31–65	13.1 µg/m³	9h	1
2026-05-15	100	74–155	36.1 µg/m³	4h	1

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