What is the air quality trend in Langfang?

Over the past 14 days, Langfang had an average AQI of 96 based on station measurements. The worst day was 2026-10-12 with AQI 151.

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

333h

PM2.5 Station

333h · 21 stations

Temperature GFS model

56pt

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	100	53–167	35.5 µg/m³	24h	16
2026-10-13	77	55–124	24.2 µg/m³	24h	17
2026-10-12	151	94–168	68.2 µg/m³	24h	21
2026-10-11	140	100–169	56.9 µg/m³	24h	18
2026-10-10	139	91–164	54.2 µg/m³	24h	20
2026-10-09	120	83–157	43.7 µg/m³	24h	24
2026-10-08	94	66–117	32.4 µg/m³	24h	13
2026-10-07	86	65–113	28.6 µg/m³	22h	15

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