What is the air quality trend in Longyan?

Over the past 8 days, Longyan had an average AQI of 57 based on station measurements. The worst day was 2026-07-18 with AQI 77.

How is Longyan air quality measured?

Air quality in Longyan 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 Longyan, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

143h

PM2.5 Station

143h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	62	54–78	17.4 µg/m³	4h	3
2026-07-21	58	21–90	16.6 µg/m³	20h	2
2026-07-20	63	9–127	18.9 µg/m³	20h	2
2026-07-19	62	25–101	17.8 µg/m³	22h	3
2026-07-18	77	30–152	24.7 µg/m³	21h	2
2026-07-17	54	24–121	14.9 µg/m³	18h	3
2026-07-16	44	13–105	11.9 µg/m³	21h	2
2026-07-15	42	18–74	10.8 µg/m³	17h	2

Back to Longyan Air Quality