What is the air quality trend in Yidu?

Over the past 8 days, Yidu had an average AQI of 72 based on station measurements. The worst day was 2026-10-15 with AQI 120.

How is Yidu air quality measured?

Air quality in Yidu 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 Yidu, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 10 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	31	29–34	7.6 µg/m³	3h	12
2026-10-20	70	21–110	21.8 µg/m³	24h	12
2026-10-19	74	52–102	22.9 µg/m³	24h	10
2026-10-18	53	32–76	14.3 µg/m³	24h	10
2026-10-17	54	31–75	14.0 µg/m³	24h	12
2026-10-16	76	55–127	23.7 µg/m³	24h	8
2026-10-15	120	77–159	43.9 µg/m³	24h	10
2026-10-14	100	69–123	35.0 µg/m³	19h	10

Back to Yidu Air Quality