What is the air quality trend in Hecun?

Over the past 15 days, Hecun had an average AQI of 61 based on station measurements. The worst day was 2026-09-04 with AQI 76.

How is Hecun air quality measured?

Air quality in Hecun 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 Hecun, China

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

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

108

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 8 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	71	46–83	21.9 µg/m³	19h	8
2026-09-04	76	59–130	24.0 µg/m³	24h	8
2026-09-03	68	48–83	20.1 µg/m³	24h	8
2026-09-02	61	49–85	16.8 µg/m³	24h	9
2026-09-01	54	39–75	14.0 µg/m³	24h	12
2026-08-31	55	25–68	14.4 µg/m³	24h	11
2026-08-30	64	52–88	18.3 µg/m³	24h	10
2026-08-29	67	55–85	19.8 µg/m³	24h	11
2026-08-28	55	43–67	14.4 µg/m³	24h	9
2026-08-27	59	44–77	16.1 µg/m³	24h	8
2026-08-26	57	45–72	14.9 µg/m³	24h	10
2026-08-25	57	42–78	15.3 µg/m³	24h	9
2026-08-24	57	38–73	15.3 µg/m³	24h	7
2026-08-23	63	38–88	18.0 µg/m³	24h	10
2026-08-22	64	61–67	18.2 µg/m³	3h	10

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