What is the air quality trend in Chaohu?

Over the past 8 days, Chaohu had an average AQI of 59 based on station measurements. The worst day was 2026-07-18 with AQI 66.

How is Chaohu air quality measured?

Air quality in Chaohu 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 Chaohu, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

127h

PM2.5 Station

127h · 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	56	25–89	16.4 µg/m³	13h	2
2026-07-20	63	18–122	18.8 µg/m³	19h	2
2026-07-19	59	24–112	17.5 µg/m³	19h	2
2026-07-18	66	27–179	22.8 µg/m³	15h	2
2026-07-17	60	30–106	17.1 µg/m³	20h	2
2026-07-16	56	32–138	15.2 µg/m³	19h	2
2026-07-15	54	19–94	14.9 µg/m³	20h	2
2026-07-14	64	38–91	20.1 µg/m³	2h	2

Back to Chaohu Air Quality