What is the air quality trend in Chaigou?

Over the past 8 days, Chaigou had an average AQI of 67 based on station measurements. The worst day was 2026-07-19 with AQI 74.

How is Chaigou air quality measured?

Air quality in Chaigou 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 Chaigou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

159h

PM2.5 Station

159h · 5 stations

Temperature GFS model

27pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	65	55–77	18.8 µg/m³	6h	4
2026-07-21	71	44–102	21.6 µg/m³	22h	3
2026-07-20	67	42–93	19.6 µg/m³	23h	3
2026-07-19	74	56–112	23.0 µg/m³	21h	3
2026-07-18	66	30–127	19.8 µg/m³	23h	3
2026-07-17	63	41–88	18.0 µg/m³	23h	4
2026-07-16	68	32–137	20.3 µg/m³	24h	3
2026-07-15	62	32–101	17.7 µg/m³	17h	3

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