What is the air quality trend in Guchang?

Over the past 8 days, Guchang had an average AQI of 68 based on station measurements. The worst day was 2026-10-15 with AQI 98.

How is Guchang air quality measured?

Air quality in Guchang 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 Guchang, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

148h

PM2.5 Station

148h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	58	49–66	15.5 µg/m³	2h	2
2026-10-20	71	46–93	21.7 µg/m³	21h	5
2026-10-19	56	22–74	15.3 µg/m³	23h	5
2026-10-18	54	27–139	15.1 µg/m³	20h	4
2026-10-17	53	32–81	14.3 µg/m³	22h	4
2026-10-16	77	46–103	24.6 µg/m³	20h	5
2026-10-15	98	68–159	34.0 µg/m³	22h	4
2026-10-14	80	46–110	26.2 µg/m³	18h	4

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