What is the air quality trend in Heshan?

Over the past 15 days, Heshan had an average AQI of 71 based on station measurements. The worst day was 2026-06-02 with AQI 93.

How is Heshan air quality measured?

Air quality in Heshan 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 Heshan, China

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

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

104

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 6 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	92	79–114	31.2 µg/m³	3h	4
2026-06-08	58	31–74	16.0 µg/m³	23h	4
2026-06-07	54	40–74	14.2 µg/m³	24h	4
2026-06-06	60	32–95	16.9 µg/m³	24h	4
2026-06-05	64	50–123	18.2 µg/m³	23h	4
2026-06-04	69	50–87	20.6 µg/m³	23h	4
2026-06-03	76	30–111	24.3 µg/m³	24h	4
2026-06-02	93	62–117	31.6 µg/m³	24h	5
2026-06-01	91	67–132	30.9 µg/m³	23h	4
2026-05-31	87	66–123	29.0 µg/m³	24h	3
2026-05-30	75	50–102	23.8 µg/m³	24h	3
2026-05-29	69	51–99	20.9 µg/m³	24h	4
2026-05-28	62	37–93	17.8 µg/m³	24h	3
2026-05-27	68	46–100	20.3 µg/m³	24h	4
2026-05-26	55	35–74	14.5 µg/m³	20h	4

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