What is the air quality trend in Longhe?

Over the past 15 days, Longhe had an average AQI of 76 based on station measurements. The worst day was 2026-10-13 with AQI 101.

How is Longhe air quality measured?

Air quality in Longhe 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 Longhe, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

287h

PM2.5 Station

287h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	52	32–80	14.6 µg/m³	6h	1
2026-10-20	57	17–84	16.5 µg/m³	21h	2
2026-10-19	58	17–96	16.9 µg/m³	20h	2
2026-10-18	46	18–107	12.9 µg/m³	17h	1
2026-10-17	57	28–99	15.8 µg/m³	19h	2
2026-10-16	76	34–110	24.0 µg/m³	14h	2
2026-10-15	93	67–153	31.8 µg/m³	21h	2
2026-10-14	85	51–122	28.2 µg/m³	21h	2
2026-10-13	101	63–152	35.0 µg/m³	23h	2
2026-10-12	93	65–169	32.8 µg/m³	21h	2
2026-10-11	84	62–118	27.8 µg/m³	22h	3
2026-10-10	83	57–152	27.2 µg/m³	23h	2
2026-10-09	88	61–146	29.6 µg/m³	23h	2
2026-10-08	78	41–153	25.0 µg/m³	23h	2
2026-10-07	89	57–149	29.9 µg/m³	13h	2

Back to Longhe Air Quality