What is the air quality trend in Heqing?

Over the past 7 days, Heqing had an average AQI of 63 based on station measurements. The worst day was 2026-10-15 with AQI 86.

How is Heqing air quality measured?

Air quality in Heqing 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 Heqing, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

156h

PM2.5 Station

156h · 6 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	46	18–74	12.0 µg/m³	22h	5
2026-10-19	65	25–144	19.6 µg/m³	23h	5
2026-10-18	44	18–73	11.3 µg/m³	23h	4
2026-10-17	44	20–91	11.6 µg/m³	23h	4
2026-10-16	80	33–144	25.7 µg/m³	22h	4
2026-10-15	86	30–171	30.1 µg/m³	22h	4
2026-10-14	77	46–112	24.6 µg/m³	21h	5

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