What is the air quality trend in Langfang?

Over the past 7 days, Langfang had an average AQI of 77 based on station measurements. The worst day was 2026-10-15 with AQI 114.

How is Langfang air quality measured?

Air quality in Langfang 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 Langfang, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 21 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	67	21–97	20.8 µg/m³	23h	23
2026-10-19	79	61–107	25.6 µg/m³	24h	21
2026-10-18	50	26–68	13.0 µg/m³	24h	27
2026-10-17	53	38–75	13.8 µg/m³	24h	25
2026-10-16	80	58–151	25.6 µg/m³	24h	20
2026-10-15	114	72–153	40.9 µg/m³	24h	23
2026-10-14	102	62–167	36.5 µg/m³	23h	16

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