What is the air quality trend in Hengshui?

Over the past 8 days, Hengshui had an average AQI of 72 based on station measurements. The worst day was 2026-05-22 with AQI 109.

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

156h

PM2.5 Station

156h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	65	42–108	18.9 µg/m³	16h	2
2026-05-28	66	30–137	19.8 µg/m³	22h	2
2026-05-27	69	25–122	21.4 µg/m³	23h	2
2026-05-26	61	34–111	17.9 µg/m³	23h	2
2026-05-25	52	7–93	14.0 µg/m³	24h	2
2026-05-24	77	41–139	24.3 µg/m³	20h	2
2026-05-23	77	38–115	24.5 µg/m³	24h	2
2026-05-22	109	59–153	38.2 µg/m³	4h	2

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