What is the air quality trend in Sơn Tây?

Over the past 8 days, Sơn Tây had an average AQI of 65 based on station measurements. The worst day was 2026-05-21 with AQI 87.

How is Sơn Tây air quality measured?

Air quality in Sơn Tây 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 Sơn Tây, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Sơn Tây, Vietnam.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

168h

PM2.5 Station

168h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-05-28	55	36–73	14.6 µg/m³	31.2	23h	8
2026-05-27	61	30–89	17.5 µg/m³	40.1	24h	8
2026-05-26	71	43–151	21.4 µg/m³	49.5	24h	8
2026-05-25	69	30–136	20.9 µg/m³	49.7	24h	7
2026-05-24	63	33–106	18.4 µg/m³	45.1	24h	7
2026-05-23	61	46–77	17.1 µg/m³	40.8	24h	8
2026-05-22	59	49–71	16.1 µg/m³	43.2	24h	8
2026-05-21	87	87–87	29.0 µg/m³	30.0	1h	1

Back to Sơn Tây Air Quality