What is the air quality trend in Yigou?

Over the past 9 days, Yigou had an average AQI of 64 based on station measurements. The worst day was 2026-10-09 with AQI 111.

How is Yigou air quality measured?

Air quality in Yigou 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 Yigou, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

40h

PM2.5 Station

40h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-09	111	70–152	39.3 µg/m³	2h	1
2026-10-08	82	53–107	26.7 µg/m³	3h	1
2026-10-07	80	25–112	26.7 µg/m³	5h	1
2026-10-06	70	26–152	23.6 µg/m³	5h	1
2026-10-05	44	36–53	10.6 µg/m³	3h	1
2026-10-04	45	28–70	12.1 µg/m³	7h	1
2026-10-03	48	20–117	13.9 µg/m³	6h	1
2026-10-02	37	21–50	8.9 µg/m³	5h	1
2026-10-01	65	28–129	20.5 µg/m³	4h	1

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