What is the air quality trend in Yongjia?

Over the past 8 days, Yongjia had an average AQI of 67 based on station measurements. The worst day was 2026-10-15 with AQI 90.

How is Yongjia air quality measured?

Air quality in Yongjia 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 Yongjia, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 16 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	54	52–57	13.7 µg/m³	4h	17
2026-10-20	65	38–86	19.1 µg/m³	24h	22
2026-10-19	63	53–79	17.6 µg/m³	24h	25
2026-10-18	53	35–74	13.9 µg/m³	24h	18
2026-10-17	53	35–90	13.9 µg/m³	24h	19
2026-10-16	77	54–100	24.3 µg/m³	23h	22
2026-10-15	90	53–124	30.3 µg/m³	24h	22
2026-10-14	86	61–107	28.7 µg/m³	17h	22

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