12 – 18 Jun 2024 · Vietnam · Wednesday to Tuesday, UTC+7

Vietnam weekly air quality

Modelled US AQI · 8 cities · CAMS via Open-Meteo

84.9Weekly mean modelled AQI · Moderate

Mean PM2.5: 21.2 µg/m³. Both means cover the selected cities hour by hour. They are not a national average or Vietnam’s official index.

+2.1 AQI compared with the previous week’s mean of 82.8.

Highest hourly estimate: 240 in Da Nang · 17 Jun, 18:00 GMT+7.

1344 of 1344 city-hours have a modelled AQI. These are estimates for roughly 45 km model grid cells, not monitoring-station measurements. How this report is made

Daily modelled US AQI

Day	Mean AQI	Low–high	Mean PM2.5 (µg/m³)	City-hours
Wed, 12 Jun	84.4Moderate	40–210	20.2	192 / 192
Thu, 13 Jun	80.9Moderate	42–226	18.5	192 / 192
Fri, 14 Jun	80.9Moderate	48–216	21.7	192 / 192
Sat, 15 Jun	89.2Moderate	52–224	24.2	192 / 192
Sun, 16 Jun	90.9Moderate	53–217	22.1	192 / 192
Mon, 17 Jun	86.8Moderate	40–240	20.7	192 / 192
Tue, 18 Jun	81.2Moderate	47–219	21.1	192 / 192

Hourly means (UTC+7)

Each cell averages the selected cities’ modelled AQI for that hour.

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	82	79	76	73	72	72	72	72	73	73	73	73	73	73	78	86	98	109	115	115	111	102	91	86
Thu	83	80	76	73	70	70	70	70	69	69	69	69	68	73	76	84	93	100	104	102	99	96	92	85
Fri	80	77	72	70	68	68	67	67	68	68	68	68	73	74	80	87	96	104	109	109	105	97	88	79
Sat	74	74	74	75	75	75	75	75	75	75	75	79	82	84	88	93	101	112	120	123	121	115	106	94
Sun	87	83	80	80	81	81	81	82	82	82	82	82	85	87	90	96	104	112	116	116	111	103	95	86
Mon	83	79	77	76	74	74	73	73	73	72	72	74	78	80	84	89	103	113	118	117	112	104	96	90
Tue	83	78	75	73	73	73	73	73	73	73	73	73	73	75	77	82	87	95	99	99	97	93	90	89

Cities by modelled US AQI

Sorted by weekly mean. Each city is a single model grid cell near its centre.

City	Mean AQI	Peak AQI	Mean PM2.5 (µg/m³)	Hours
Da Nang	137.6Unhealthy for Sensitive Groups	240	25.2	168 / 168
Hanoi	118.6Unhealthy for Sensitive Groups	206	39.8	168 / 168
Hai Phong	81.7Moderate	183	20.6	168 / 168
Ho Chi Minh City	79.7Moderate	109	23.8	168 / 168
Hue	78.9Moderate	155	20.1	168 / 168
Nha Trang	77.2Moderate	134	18.8	168 / 168
Can Tho	53.2Moderate	64	10.6	168 / 168
Da Lat	52.4Moderate	59	10.8	168 / 168

City-hours by category

Good: 74

Moderate: 974

Unhealthy for Sensitive Groups: 199

Unhealthy: 48

Very Unhealthy: 49

Hazardous: 0

US AQI scale
AQI	Category
0–50	Good
51–100	Moderate
101–150	Unhealthy for Sensitive Groups
151–200	Unhealthy
201–300	Very Unhealthy
301+	Hazardous

How this report is made

Open-Meteo provides hourly estimates from the Copernicus Atmosphere Monitoring Service (CAMS) global model at roughly 45 km resolution. We use the grid cell nearest each city’s centre. Nearby places may share a cell, and local pollution can differ.

The AQI is the provider’s modelled US AQI across pollutants, one value per city per hour. Weekly, daily and hourly means average those values across the selected cities. PM2.5 is a concentration in µg/m³. These figures use a different basis from the measured PM2.5-derived AQI in the Malaysia and Singapore reports.

Days and hours use UTC+7. The report includes past model hours only, never forecasts. The previous-week comparison appears only when at least 90% of that week’s city-hours are available.

For official local readings and advice, visit Centre for Environmental Monitoring. Air-quality data: Open-Meteo and CAMS, licensed under CC BY 4.0. Haze Monitor is independent of these providers and local authorities.

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	82	79	76	73	72	72	72	72	73	73	73	73	73	73	78	86	98	109	115	115	111	102	91	86
Thu	83	80	76	73	70	70	70	70	69	69	69	69	68	73	76	84	93	100	104	102	99	96	92	85
Fri	80	77	72	70	68	68	67	67	68	68	68	68	73	74	80	87	96	104	109	109	105	97	88	79
Sat	74	74	74	75	75	75	75	75	75	75	75	79	82	84	88	93	101	112	120	123	121	115	106	94
Sun	87	83	80	80	81	81	81	82	82	82	82	82	85	87	90	96	104	112	116	116	111	103	95	86
Mon	83	79	77	76	74	74	73	73	73	72	72	74	78	80	84	89	103	113	118	117	112	104	96	90
Tue	83	78	75	73	73	73	73	73	73	73	73	73	73	75	77	82	87	95	99	99	97	93	90	89

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	82	79	76	73	72	72	72	72	73	73	73	73	73	73	78	86	98	109	115	115	111	102	91	86
Thu	83	80	76	73	70	70	70	70	69	69	69	69	68	73	76	84	93	100	104	102	99	96	92	85
Fri	80	77	72	70	68	68	67	67	68	68	68	68	73	74	80	87	96	104	109	109	105	97	88	79
Sat	74	74	74	75	75	75	75	75	75	75	75	79	82	84	88	93	101	112	120	123	121	115	106	94
Sun	87	83	80	80	81	81	81	82	82	82	82	82	85	87	90	96	104	112	116	116	111	103	95	86
Mon	83	79	77	76	74	74	73	73	73	72	72	74	78	80	84	89	103	113	118	117	112	104	96	90
Tue	83	78	75	73	73	73	73	73	73	73	73	73	73	75	77	82	87	95	99	99	97	93	90	89

Day	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23
Wed	82	79	76	73	72	72	72	72	73	73	73	73	73	73	78	86	98	109	115	115	111	102	91	86
Thu	83	80	76	73	70	70	70	70	69	69	69	69	68	73	76	84	93	100	104	102	99	96	92	85
Fri	80	77	72	70	68	68	67	67	68	68	68	68	73	74	80	87	96	104	109	109	105	97	88	79
Sat	74	74	74	75	75	75	75	75	75	75	75	79	82	84	88	93	101	112	120	123	121	115	106	94
Sun	87	83	80	80	81	81	81	82	82	82	82	82	85	87	90	96	104	112	116	116	111	103	95	86
Mon	83	79	77	76	74	74	73	73	73	72	72	74	78	80	84	89	103	113	118	117	112	104	96	90
Tue	83	78	75	73	73	73	73	73	73	73	73	73	73	75	77	82	87	95	99	99	97	93	90	89