What is the air quality trend in Yishan?

Over the past 8 days, Yishan had an average AQI of 70 based on station measurements. The worst day was 2026-10-15 with AQI 109.

How is Yishan air quality measured?

Air quality in Yishan 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 Yishan, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	21	15–24	5.0 µg/m³	3h	2
2026-10-20	75	19–160	25.5 µg/m³	24h	4
2026-10-19	78	55–107	24.6 µg/m³	24h	3
2026-10-18	54	16–75	15.0 µg/m³	23h	3
2026-10-17	49	18–92	13.4 µg/m³	24h	3
2026-10-16	80	41–163	26.6 µg/m³	23h	3
2026-10-15	109	45–161	40.9 µg/m³	24h	3
2026-10-14	99	37–163	35.2 µg/m³	18h	3

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