What is the air quality trend in Bayiji?

Over the past 14 days, Bayiji had an average AQI of 55 based on station measurements. The worst day was 2026-07-19 with AQI 80.

How is Bayiji air quality measured?

Air quality in Bayiji 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 Bayiji, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

187h

PM2.5 Station

187h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	75	42–114	23.7 µg/m³	15h	1
2026-07-20	60	25–85	16.8 µg/m³	16h	1
2026-07-19	80	34–151	25.9 µg/m³	21h	1
2026-07-18	74	42–129	23.1 µg/m³	16h	1
2026-07-17	75	34–137	23.6 µg/m³	13h	1
2026-07-16	54	25–94	15.1 µg/m³	12h	1
2026-07-15	60	6–152	18.0 µg/m³	16h	1
2026-07-14	38	14–61	9.5 µg/m³	12h	1
2026-07-13	41	13–72	11.0 µg/m³	11h	1
2026-07-12	48	12–85	12.8 µg/m³	12h	1
2026-07-11	41	22–61	10.2 µg/m³	10h	1
2026-07-10	43	24–68	11.2 µg/m³	15h	1
2026-07-09	42	16–74	10.6 µg/m³	9h	1
2026-07-08	44	22–70	11.2 µg/m³	9h	1

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