What is the air quality trend in Sanhe?

Over the past 7 days, Sanhe had an average AQI of 76 based on station measurements. The worst day was 2026-10-15 with AQI 109.

How is Sanhe air quality measured?

Air quality in Sanhe 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 Sanhe, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 16 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	69	12–107	21.8 µg/m³	23h	16
2026-10-19	79	58–104	25.5 µg/m³	24h	14
2026-10-18	49	22–67	12.7 µg/m³	24h	20
2026-10-17	50	28–74	13.1 µg/m³	24h	19
2026-10-16	81	54–164	27.0 µg/m³	24h	14
2026-10-15	109	66–152	38.4 µg/m³	24h	15
2026-10-14	98	51–127	34.0 µg/m³	23h	11

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