Air Quality in Cát Bà, Vietnam
Cloudy
28.7°C · 85.4% humidity
28.7°
Feels 35.8°
68
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Cát Bà's air quality — share it
AQI Forecast
83
8am
83
83
68
11am
72
76
78
2pm
80
81
82
5pm
83
83
82
8pm
82
83
83
11pm
83
83
83
2am
83
83
66
5am
66
66
Air Quality Index Trend
21h · 1 stnCát Bà'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 Cát Bà is 1.3× the WHO 24-hour guideline of 15 µg/m³.
85.4%
Humidity
33.0 km/h
Wind ESE
1002.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
20.2 µg/m³
PM10
79.9 µg/m³
050100150200300500
What is the weather forecast for Cát Bà?
Temperature & Precipitation
PM2.5 Trend
21h · 1 stationPM2.520.2 µg/m³
×1.3 WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX0.7
Low
What is the 7-day forecast for Cát Bà?
08-03
32.1° 28.7°
2.12 mm
08-04
31.0° 29.0°
2.0 mm
08-05
31.3° 26.7°
5.13 mm
08-06
30.8° 27.0°
1.81 mm
08-07
30.7° 25.7°
11.94 mm
08-08
32.1° 28.7°
3.13 mm
08-09
34.3° 27.8°
11.94 mm
Both models agree
Avg diff: 1.4°C
What cities are near Cát Bà?
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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 2026-08-08T04:48 UTC.