What is the air quality trend in Hengyang?

Over the past 14 days, Hengyang had an average AQI of 66 based on station measurements. The worst day was 2026-06-01 with AQI 78.

How is Hengyang air quality measured?

Air quality in Hengyang 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 Hengyang, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	41	20–66	10.5 µg/m³	23h	4
2026-06-07	54	26–90	15.2 µg/m³	23h	4
2026-06-06	63	28–92	18.4 µg/m³	24h	5
2026-06-05	73	37–266	27.4 µg/m³	23h	4
2026-06-04	58	22–97	15.8 µg/m³	24h	6
2026-06-03	68	42–101	20.3 µg/m³	24h	5
2026-06-02	78	52–120	25.0 µg/m³	23h	5
2026-06-01	78	58–115	25.0 µg/m³	23h	7
2026-05-31	73	41–116	22.8 µg/m³	24h	6
2026-05-30	65	47–93	18.7 µg/m³	24h	6
2026-05-29	74	49–209	27.0 µg/m³	24h	6
2026-05-28	67	48–97	19.6 µg/m³	23h	6
2026-05-27	70	39–103	21.4 µg/m³	24h	7
2026-05-26	66	46–96	19.4 µg/m³	24h	7

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