What is the air quality trend in Houshan?

Over the past 8 days, Houshan had an average AQI of 63 based on station measurements. The worst day was 2026-07-19 with AQI 71.

How is Houshan air quality measured?

Air quality in Houshan 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 Houshan, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

160h

PM2.5 Station

160h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	66	55–81	19.2 µg/m³	6h	3
2026-07-21	69	43–95	20.7 µg/m³	22h	3
2026-07-20	68	46–101	20.5 µg/m³	22h	3
2026-07-19	71	20–142	21.9 µg/m³	24h	3
2026-07-18	65	26–149	19.2 µg/m³	22h	3
2026-07-17	58	21–78	15.9 µg/m³	23h	3
2026-07-16	58	28–94	16.1 µg/m³	24h	3
2026-07-15	50	22–68	13.0 µg/m³	17h	3

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