What is the air quality trend in Yunnanyi?

Over the past 15 days, Yunnanyi had an average AQI of 68 based on station measurements. The worst day was 2026-05-27 with AQI 87.

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
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

201h

PM2.5 Station

201h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	62	25–147	19.6 µg/m³	4h	1
2026-06-08	61	28–129	17.8 µg/m³	17h	1
2026-06-07	64	17–144	19.7 µg/m³	15h	1
2026-06-06	60	34–93	17.6 µg/m³	12h	1
2026-06-05	64	30–99	18.7 µg/m³	14h	1
2026-06-04	66	35–122	19.3 µg/m³	11h	2
2026-06-03	81	25–196	31.4 µg/m³	14h	1
2026-06-02	77	25–120	24.9 µg/m³	15h	2
2026-06-01	79	54–147	25.0 µg/m³	12h	2
2026-05-31	69	25–135	21.6 µg/m³	17h	2
2026-05-30	67	27–129	19.8 µg/m³	17h	1
2026-05-29	62	34–107	18.1 µg/m³	15h	2
2026-05-28	59	30–102	16.7 µg/m³	16h	1
2026-05-27	87	59–158	29.4 µg/m³	12h	1
2026-05-26	65	42–91	18.9 µg/m³	10h	2

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