What is the air quality trend in Hengyang?

Over the past 15 days, Hengyang had an average AQI of 66 based on station measurements. The worst day was 2026-06-01 with AQI 83.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	51	39–58	12.8 µg/m³	8h	6
2026-06-08	49	34–71	12.5 µg/m³	24h	7
2026-06-07	51	21–80	13.7 µg/m³	24h	5
2026-06-06	61	41–94	17.0 µg/m³	24h	7
2026-06-05	65	42–83	18.6 µg/m³	24h	6
2026-06-04	61	29–107	17.3 µg/m³	24h	6
2026-06-03	73	42–118	22.6 µg/m³	24h	5
2026-06-02	82	52–127	26.5 µg/m³	24h	6
2026-06-01	83	38–151	26.9 µg/m³	23h	7
2026-05-31	75	52–109	23.7 µg/m³	24h	8
2026-05-30	71	52–134	21.4 µg/m³	24h	8
2026-05-29	68	52–123	19.9 µg/m³	24h	6
2026-05-28	70	52–175	22.5 µg/m³	24h	8
2026-05-27	70	55–87	21.0 µg/m³	24h	7
2026-05-26	64	48–81	18.2 µg/m³	15h	6

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