What is the air quality trend in Langfang?

Over the past 14 days, Langfang had an average AQI of 65 based on station measurements. The worst day was 2026-05-21 with AQI 76.

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
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

329h

PM2.5 Station

329h · 13 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	63	45–83	17.8 µg/m³	23h	16
2026-05-27	67	60–83	19.9 µg/m³	24h	19
2026-05-26	63	48–83	18.0 µg/m³	24h	19
2026-05-25	58	42–77	15.8 µg/m³	24h	17
2026-05-24	74	57–112	23.1 µg/m³	24h	17
2026-05-23	74	58–99	22.9 µg/m³	24h	19
2026-05-22	69	54–89	20.6 µg/m³	24h	20
2026-05-21	76	58–103	23.9 µg/m³	24h	17
2026-05-20	61	53–71	16.9 µg/m³	24h	23
2026-05-19	62	48–75	17.4 µg/m³	24h	28
2026-05-18	56	38–70	15.0 µg/m³	24h	21
2026-05-17	59	43–82	16.1 µg/m³	22h	27
2026-05-16	66	52–84	19.3 µg/m³	21h	20
2026-05-15	75	60–98	23.4 µg/m³	23h	18

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