What is the air quality trend in Hengshui?

Over the past 8 days, Hengshui had an average AQI of 75 based on station measurements. The worst day was 2026-10-15 with AQI 133.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 3 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	30	23–36	7.3 µg/m³	4h	8
2026-10-20	73	22–120	23.1 µg/m³	23h	7
2026-10-19	76	40–106	24.3 µg/m³	24h	6
2026-10-18	51	26–80	13.8 µg/m³	24h	6
2026-10-17	49	22–66	12.4 µg/m³	24h	6
2026-10-16	87	38–158	29.6 µg/m³	23h	5
2026-10-15	133	94–176	52.3 µg/m³	24h	5
2026-10-14	105	74–154	37.0 µg/m³	17h	6

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