What is the air quality trend in Cuijiaji?

Over the past 14 days, Cuijiaji had an average AQI of 94 based on station measurements. The worst day was 2026-10-12 with AQI 147.

How is Cuijiaji air quality measured?

Air quality in Cuijiaji 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 Cuijiaji, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

325h

PM2.5 Station

325h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	70	20–136	22.9 µg/m³	24h	3
2026-10-19	70	40–98	21.1 µg/m³	24h	3
2026-10-18	51	32–88	13.5 µg/m³	23h	3
2026-10-17	50	33–70	12.8 µg/m³	23h	3
2026-10-16	70	35–154	21.9 µg/m³	23h	3
2026-10-15	118	70–185	47.3 µg/m³	23h	3
2026-10-14	93	55–154	31.6 µg/m³	24h	3
2026-10-13	81	29–152	26.9 µg/m³	23h	3
2026-10-12	147	92–174	64.3 µg/m³	24h	3
2026-10-11	146	106–166	60.5 µg/m³	23h	3
2026-10-10	127	50–177	49.9 µg/m³	23h	3
2026-10-09	100	64–156	35.0 µg/m³	24h	3
2026-10-08	103	57–158	36.5 µg/m³	24h	3
2026-10-07	91	61–132	30.5 µg/m³	20h	3

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