What is the air quality trend in Yanjia?

Over the past 3 days, Yanjia had an average AQI of 45 based on station measurements. The worst day was 2026-06-09 with AQI 47.

How is Yanjia air quality measured?

Air quality in Yanjia 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 Yanjia, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

47h

PM2.5 Station

47h · 13 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	47	30–66	11.9 µg/m³	12h	14
2026-06-08	44	28–59	10.8 µg/m³	24h	15
2026-06-07	46	33–67	11.6 µg/m³	11h	17

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