What is the air quality trend in Humen?

Over the past 8 days, Humen had an average AQI of 54 based on station measurements. The worst day was 2026-09-05 with AQI 72.

How is Humen air quality measured?

Air quality in Humen 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 Humen, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 82 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-09-05	72	64–80	21.9 µg/m³	56.0	10h	68
2026-09-04	61	47–79	16.9 µg/m³	42.9	24h	57
2026-09-03	51	40–77	12.8 µg/m³	5.3	24h	62
2026-09-02	49	37–64	12.2 µg/m³	5.0	24h	58
2026-09-01	42	31–83	10.5 µg/m³	7.9	24h	58
2026-08-31	48	35–73	12.0 µg/m³	10.0	24h	52
2026-08-30	52	40–79	13.3 µg/m³	22.5	24h	50
2026-08-29	63	55–77	17.9 µg/m³	43.3	11h	50

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