What is the air quality trend in Longyan?

Over the past 12 days, Longyan had an average AQI of 72 based on station measurements. The worst day was 2026-10-16 with AQI 104.

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

111h

PM2.5 Station

111h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	81	70–91	26.3 µg/m³	3h	4
2026-10-20	60	27–82	17.1 µg/m³	14h	6
2026-10-19	61	47–75	17.1 µg/m³	6h	6
2026-10-18	20	20–20	4.7 µg/m³	1h	3
2026-10-16	104	104–104	36.8 µg/m³	1h	12
2026-10-13	92	75–107	31.4 µg/m³	5h	8
2026-10-12	76	65–92	24.1 µg/m³	17h	3
2026-10-11	71	65–80	21.4 µg/m³	7h	6
2026-10-10	62	36–72	17.7 µg/m³	12h	5
2026-10-09	87	55–120	29.0 µg/m³	4h	14
2026-10-08	83	51–135	27.1 µg/m³	23h	8
2026-10-07	68	54–85	20.3 µg/m³	18h	9

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