What is the air quality trend in Sanya?

Over the past 20 days, Sanya had an average AQI of 65 based on station measurements. The worst day was 2026-05-31 with AQI 98.

How is Sanya air quality measured?

Air quality in Sanya 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 Sanya, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

469h

PM2.5 Station

469h · 6 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	46	27–72	11.7 µg/m³	23h	3
2026-06-07	56	22–122	15.6 µg/m³	24h	3
2026-06-06	62	19–170	19.0 µg/m³	24h	4
2026-06-05	59	32–106	16.8 µg/m³	23h	4
2026-06-04	57	28–93	16.0 µg/m³	24h	3
2026-06-03	68	39–111	20.2 µg/m³	21h	3
2026-06-02	79	8–124	25.7 µg/m³	23h	3
2026-06-01	75	46–169	24.6 µg/m³	23h	3
2026-05-31	98	37–338	40.4 µg/m³	24h	2
2026-05-30	66	34–114	19.3 µg/m³	24h	2
2026-05-29	67	29–123	20.1 µg/m³	23h	2
2026-05-28	65	38–127	18.9 µg/m³	24h	3
2026-05-27	69	30–109	21.0 µg/m³	23h	3
2026-05-26	61	30–96	17.4 µg/m³	24h	3
2026-05-25	52	26–87	14.0 µg/m³	24h	3
2026-05-24	58	33–97	16.0 µg/m³	24h	3
2026-05-23	60	32–87	16.9 µg/m³	24h	2
2026-05-22	64	18–129	18.9 µg/m³	24h	3
2026-05-21	87	34–450	40.1 µg/m³	22h	2
2026-05-20	64	25–152	18.9 µg/m³	24h	3

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