What is the air quality trend in Yongchuan?

Over the past 15 days, Yongchuan had an average AQI of 75 based on station measurements. The worst day was 2026-10-13 with AQI 100.

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

328h

PM2.5 Station

328h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	44	44–44	10.5 µg/m³	1h	9
2026-10-20	68	50–95	20.4 µg/m³	23h	10
2026-10-19	61	40–74	17.1 µg/m³	24h	11
2026-10-18	50	29–83	13.2 µg/m³	22h	8
2026-10-17	50	33–62	12.5 µg/m³	24h	9
2026-10-16	80	55–119	25.9 µg/m³	23h	9
2026-10-15	91	38–152	30.8 µg/m³	24h	9
2026-10-14	90	61–151	30.4 µg/m³	24h	9
2026-10-13	100	60–144	34.6 µg/m³	24h	11
2026-10-12	86	63–113	28.6 µg/m³	24h	11
2026-10-11	83	60–151	27.3 µg/m³	24h	10
2026-10-10	86	57–124	28.5 µg/m³	24h	10
2026-10-09	83	62–106	27.1 µg/m³	23h	13
2026-10-08	84	63–117	27.6 µg/m³	24h	16
2026-10-07	77	56–105	24.3 µg/m³	20h	13

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