What is the air quality trend in Yongjia?

Over the past 15 days, Yongjia had an average AQI of 76 based on station measurements. The worst day was 2026-10-13 with AQI 99.

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

333h

PM2.5 Station

333h · 19 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	53	48–57	13.2 µg/m³	3h	20
2026-10-20	65	33–90	19.0 µg/m³	24h	22
2026-10-19	63	54–72	17.8 µg/m³	24h	23
2026-10-18	52	36–74	13.7 µg/m³	24h	18
2026-10-17	48	22–67	12.0 µg/m³	24h	19
2026-10-16	78	44–97	24.9 µg/m³	23h	21
2026-10-15	90	32–151	30.3 µg/m³	24h	21
2026-10-14	87	61–108	29.0 µg/m³	24h	20
2026-10-13	99	74–122	34.4 µg/m³	24h	25
2026-10-12	87	66–109	29.4 µg/m³	24h	24
2026-10-11	88	71–143	29.5 µg/m³	24h	24
2026-10-10	80	66–93	26.0 µg/m³	24h	24
2026-10-09	84	67–104	27.7 µg/m³	24h	31
2026-10-08	85	65–103	28.5 µg/m³	24h	45
2026-10-07	81	66–101	26.1 µg/m³	19h	41

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