Air Quality in Honolulu, United States
Drizzle
24.9°C · 68.2% humidity
24.9°
Feels 24.9°
19
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Honolulu's air quality — share it
AQI Forecast
27
8am
27
27
19
11am
23
26
28
2pm
23
24
23
5pm
24
26
26
8pm
26
25
25
11pm
25
25
25
2am
27
27
34
5am
34
34
Air Quality Index Trend
40h · 2 stnHonolulu's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
68.2%
Humidity
82.0 km/h
Wind E
1015.9 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
4.51 µg/m³
PM10▲
27.4 µg/m³
050100150200300500
What is the weather forecast for Honolulu?
Temperature & Precipitation
PM2.5 Trend
40h · 2 stationsPM2.54.51 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (4 stations within 25 km)
4.51
Median
6.42
Average
4.3
Low
10.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +2.8
What is the 7-day forecast for Honolulu?
05-28
27.0° 21.8°
0.94 mm
05-29
24.9° 21.7°
1.94 mm
05-30
24.0° 21.3°
1.63 mm
05-31
25.4° 21.6°
2.31 mm
06-01
26.3° 22.5°
2.06 mm
06-02
24.5° 21.6°
1.75 mm
06-03
25.8° 21.0°
1.87 mm
Both models agree
Avg diff: 2.0°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 2026-05-28T21:46 UTC.