What is the air quality trend in Longsha?

Over the past 15 days, Longsha had an average AQI of 57 based on station measurements. The worst day was 2026-07-20 with AQI 63.

How is Longsha air quality measured?

Air quality in Longsha 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 Longsha, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

299h

PM2.5 Station

299h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	63	53–78	17.9 µg/m³	8h	3
2026-07-21	63	34–97	18.4 µg/m³	18h	3
2026-07-20	63	25–97	18.1 µg/m³	20h	3
2026-07-19	62	34–95	17.8 µg/m³	22h	3
2026-07-18	58	17–102	16.4 µg/m³	20h	2
2026-07-17	62	17–151	19.0 µg/m³	21h	3
2026-07-16	52	23–80	14.0 µg/m³	24h	3
2026-07-15	54	23–91	14.8 µg/m³	20h	2
2026-07-14	57	21–102	16.3 µg/m³	22h	2
2026-07-13	59	27–92	16.9 µg/m³	23h	3
2026-07-12	52	34–73	13.5 µg/m³	20h	3
2026-07-11	54	23–157	15.5 µg/m³	23h	3
2026-07-10	52	22–68	13.2 µg/m³	23h	3
2026-07-09	51	25–74	13.5 µg/m³	21h	3
2026-07-08	54	20–72	14.6 µg/m³	14h	4

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