Air Quality in Hạ Long, Vietnam
Cloudy
27.3°C · 73.6% humidity
27.3°
Feels 32.1°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Hạ Long's air quality — share it
AQI Forecast
54
6pm
54
54
42
9pm
45
48
50
12am
51
52
52
3am
53
53
53
6am
54
54
54
9am
66
66
66
12pm
66
66
66
3pm
54
54
Air Quality Index Trend
46h · 1 stnHạ Long's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. The worst conditions typically occur from February to April during the regional burning season. Current PM2.5 concentration in Hạ Long is 2.0× the WHO annual guideline of 5 µg/m³.
73.6%
Humidity
12.2 km/h
Wind S
1003.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.15 µg/m³
PM10
41.15 µg/m³
050100150200300500
What is the weather forecast for Hạ Long?
Temperature & Precipitation
PM2.5 Trend
46h · 1 stationPM2.510.15 µg/m³
✓ WHO
Good
PM1041.15 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Hạ Long?
05-29
27.3° 25.2°
0.31 mm
05-30
27.8° 25.3°
2.06 mm
05-31
30.4° 25.3°
5.31 mm
06-01
31.3° 23.9°
7.75 mm
06-02
31.8° 25.0°
0.62 mm
06-03
31.6° 24.1°
3.06 mm
06-04
28.4° 25.9°
12.31 mm
Both models agree
Avg diff: 3.4°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T14:49 UTC.