What is the air quality trend in Yancheng?

Over the past 8 days, Yancheng had an average AQI of 59 based on station measurements. The worst day was 2026-07-19 with AQI 73.

How is Yancheng air quality measured?

Air quality in Yancheng 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 Yancheng, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

150h

PM2.5 Station

150h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	50	50–50	12.0 µg/m³	1h	1
2026-07-21	66	38–109	19.4 µg/m³	21h	2
2026-07-20	62	21–153	18.3 µg/m³	22h	2
2026-07-19	73	46–132	22.3 µg/m³	22h	2
2026-07-18	61	20–95	17.8 µg/m³	21h	2
2026-07-17	53	32–74	14.0 µg/m³	22h	2
2026-07-16	52	28–102	14.2 µg/m³	22h	2
2026-07-15	56	24–78	15.5 µg/m³	19h	2

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