What is the air quality trend in Hangu?

Over the past 7 days, Hangu had an average AQI of 84 based on station measurements. The worst day was 2026-10-15 with AQI 115.

How is Hangu air quality measured?

Air quality in Hangu 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 Hangu, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

150h

PM2.5 Station

150h · 10 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	59	16–105	18.2 µg/m³	23h	7
2026-10-19	109	64–167	39.7 µg/m³	23h	7
2026-10-18	59	35–84	16.9 µg/m³	24h	10
2026-10-17	60	29–96	16.9 µg/m³	24h	8
2026-10-16	78	26–99	25.2 µg/m³	22h	5
2026-10-15	115	60–160	41.9 µg/m³	24h	6
2026-10-14	110	33–154	39.7 µg/m³	10h	3

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