What is the air quality trend in Hudiyuzi?

Over the past 7 days, Hudiyuzi had an average AQI of 57 based on station measurements. The worst day was 2026-07-21 with AQI 65.

How is Hudiyuzi air quality measured?

Air quality in Hudiyuzi 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 Hudiyuzi, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

119h

PM2.5 Station

119h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	65	25–120	19.5 µg/m³	19h	2
2026-07-20	64	30–136	18.9 µg/m³	18h	2
2026-07-19	52	6–88	14.8 µg/m³	16h	2
2026-07-18	64	52–94	18.3 µg/m³	14h	2
2026-07-17	53	20–81	14.5 µg/m³	15h	2
2026-07-16	53	17–102	14.3 µg/m³	20h	1
2026-07-15	54	26–75	14.5 µg/m³	17h	1

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