What is the air quality trend in Hengshui?

Over the past 8 days, Hengshui had an average AQI of 71 based on station measurements. The worst day was 2026-05-22 with AQI 97.

How is Hengshui air quality measured?

Air quality in Hengshui 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 Hengshui, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

117h

PM2.5 Station

117h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	76	48–105	23.9 µg/m³	15h	2
2026-05-28	56	38–84	15.2 µg/m³	14h	2
2026-05-27	77	36–154	24.5 µg/m³	17h	2
2026-05-26	63	30–108	18.8 µg/m³	20h	2
2026-05-25	50	13–74	13.1 µg/m³	14h	2
2026-05-24	74	30–151	23.1 µg/m³	17h	2
2026-05-23	77	35–147	24.5 µg/m³	18h	2
2026-05-22	97	77–117	33.2 µg/m³	2h	2

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