What is the air quality trend in Yunnanyi?

Over the past 8 days, Yunnanyi had an average AQI of 58 based on station measurements. The worst day was 2026-06-02 with AQI 80.

How is Yunnanyi air quality measured?

Air quality in Yunnanyi 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 Yunnanyi, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

87h

PM2.5 Station

87h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	20	20–20	4.8 µg/m³	1h	1
2026-06-08	56	33–97	15.7 µg/m³	13h	1
2026-06-07	56	10–144	16.1 µg/m³	12h	1
2026-06-06	53	30–93	14.8 µg/m³	13h	1
2026-06-05	58	16–84	16.4 µg/m³	10h	2
2026-06-04	78	35–122	25.1 µg/m³	13h	1
2026-06-03	70	34–122	22.0 µg/m³	13h	1
2026-06-02	80	25–120	26.3 µg/m³	12h	1

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