What is the air quality trend in Yongcheng?

Over the past 21 days, Yongcheng had an average AQI of 58 based on station measurements. The worst day was 2026-05-12 with AQI 89.

How is Yongcheng air quality measured?

Air quality in Yongcheng 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 Yongcheng, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

439h

PM2.5 Station

439h · 2 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	69	53–96	20.5 µg/m³	15h	2
2026-05-28	66	33–102	19.3 µg/m³	22h	2
2026-05-27	62	46–75	17.4 µg/m³	22h	2
2026-05-26	61	40–120	17.6 µg/m³	21h	2
2026-05-25	54	13–130	15.0 µg/m³	24h	2
2026-05-24	47	13–91	12.1 µg/m³	23h	2
2026-05-23	62	22–164	19.2 µg/m³	24h	2
2026-05-22	58	21–87	16.1 µg/m³	23h	3
2026-05-21	45	16–92	12.0 µg/m³	23h	2
2026-05-20	45	10–84	11.7 µg/m³	23h	2
2026-05-19	51	27–80	13.2 µg/m³	21h	2
2026-05-18	46	20–104	12.3 µg/m³	24h	2
2026-05-17	56	32–119	15.6 µg/m³	19h	2
2026-05-16	42	28–66	10.5 µg/m³	21h	3
2026-05-15	52	6–97	14.7 µg/m³	22h	2
2026-05-14	55	21–94	15.7 µg/m³	21h	2
2026-05-13	55	20–112	15.8 µg/m³	20h	2
2026-05-12	89	41–164	30.6 µg/m³	23h	2
2026-05-11	83	46–137	27.1 µg/m³	20h	2
2026-05-10	70	24–128	21.6 µg/m³	21h	2
2026-05-09	67	38–95	20.3 µg/m³	7h	2

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