What is the air quality trend in Yongchuan?

Over the past 8 days, Yongchuan had an average AQI of 62 based on station measurements. The worst day was 2026-05-27 with AQI 67.

How is Yongchuan air quality measured?

Air quality in Yongchuan 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 Yongchuan, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

162h

PM2.5 Station

162h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	64	40–122	18.8 µg/m³	22h	4
2026-05-27	67	50–116	19.7 µg/m³	23h	4
2026-05-26	56	34–81	15.2 µg/m³	23h	5
2026-05-25	59	26–112	16.5 µg/m³	22h	4
2026-05-24	63	34–159	18.4 µg/m³	24h	4
2026-05-23	65	33–161	19.7 µg/m³	24h	4
2026-05-22	62	23–155	18.2 µg/m³	23h	4
2026-05-21	61	61–61	16.7 µg/m³	1h	4

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