What is the air quality trend in Cửa Nam?

Over the past 7 days, Cửa Nam had an average AQI of 50 based on station measurements. The worst day was 2026-07-21 with AQI 99.

How is Cửa Nam air quality measured?

Air quality in Cửa Nam 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 Cửa Nam, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Cửa Nam, Vietnam.

116

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-07-21	99	76–138	34.5 µg/m³	39.9	24h	2
2026-07-20	73	17–133	23.9 µg/m³	28.2	24h	2
2026-07-19	36	10–70	9.0 µg/m³	10.8	24h	2
2026-07-18	18	8–56	4.3 µg/m³	6.6	24h	2
2026-07-17	23	10–46	5.4 µg/m³	7.8	24h	2
2026-07-16	40	18–68	10.2 µg/m³	12.5	24h	2
2026-07-15	63	46–98	17.7 µg/m³	21.5	23h	2

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