What is the air quality trend in Caojie?

Over the past 8 days, Caojie had an average AQI of 68 based on station measurements. The worst day was 2026-10-15 with AQI 92.

How is Caojie air quality measured?

Air quality in Caojie 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 Caojie, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

163h

PM2.5 Station

163h · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	53	48–58	13.3 µg/m³	4h	14
2026-10-20	65	41–92	19.1 µg/m³	24h	20
2026-10-19	64	55–91	18.3 µg/m³	24h	21
2026-10-18	50	20–73	13.2 µg/m³	23h	16
2026-10-17	54	37–86	14.3 µg/m³	24h	18
2026-10-16	77	39–105	24.4 µg/m³	23h	19
2026-10-15	92	51–150	31.1 µg/m³	24h	19
2026-10-14	89	63–141	29.7 µg/m³	17h	18

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