What is the air quality trend in Hetoudian?

Over the past 8 days, Hetoudian had an average AQI of 71 based on station measurements. The worst day was 2026-06-01 with AQI 95.

How is Hetoudian air quality measured?

Air quality in Hetoudian 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 Hetoudian, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	54	35–80	14.7 µg/m³	22h	2
2026-06-07	61	37–116	17.3 µg/m³	24h	2
2026-06-06	63	13–102	18.4 µg/m³	24h	2
2026-06-05	64	30–94	18.6 µg/m³	24h	2
2026-06-04	72	52–106	21.9 µg/m³	23h	2
2026-06-03	74	32–143	23.2 µg/m³	24h	2
2026-06-02	87	39–112	29.4 µg/m³	23h	2
2026-06-01	95	95–95	33.0 µg/m³	1h	3

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