What is the air quality trend in Caijia?

Over the past 15 days, Caijia had an average AQI of 57 based on station measurements. The worst day was 2026-05-23 with AQI 70.

How is Caijia air quality measured?

Air quality in Caijia 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 Caijia, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

256h

PM2.5 Station

256h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	63	47–93	17.9 µg/m³	19h	2
2026-05-28	56	25–72	15.4 µg/m³	19h	2
2026-05-27	62	19–105	18.1 µg/m³	20h	2
2026-05-26	60	18–114	17.7 µg/m³	21h	2
2026-05-25	52	13–99	14.3 µg/m³	18h	2
2026-05-24	52	30–101	14.2 µg/m³	17h	2
2026-05-23	70	34–187	24.9 µg/m³	21h	2
2026-05-22	62	18–221	24.0 µg/m³	17h	2
2026-05-21	58	28–102	16.6 µg/m³	17h	2
2026-05-20	66	38–159	20.2 µg/m³	17h	2
2026-05-19	52	12–153	15.3 µg/m³	18h	1
2026-05-18	49	13–86	13.1 µg/m³	18h	2
2026-05-17	51	23–97	14.0 µg/m³	18h	2
2026-05-16	59	30–89	17.1 µg/m³	14h	2
2026-05-15	46	30–61	12.0 µg/m³	2h	1

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