Air Quality in Honolulu, United States

Cloudy
23.8°C · 70.8% humidity
23.8°
Feels 23.8°
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
34 2am
25
25
15 5am
18
20
21 8am
24
25
26 11am
26
26
27 2pm
27
27
27 5pm
27
25
25 8pm
25
27
27 11pm
27
27
AD 728×90

Air Quality Index Trend

38h · 1 stn

Honolulu's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

70.8%
Humidity
30.2 km/h
Wind ENE
1016.3 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
15
3.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Honolulu?

Temperature & Precipitation

PM2.5 Trend

38h · 1 station
PM2.53.5 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (2 stations within 25 km)
3.5
Median
3.5
Average
3.4
Low
3.6
High
PM2.5 µg/m³ · Model: 6.0 · Bias: +2.5

What is the 7-day forecast for Honolulu?

09-05
29.2° 22.8°
0.63 mm
09-06
26.6° 22.7°
0.81 mm
09-07
27.8° 23.9°
50.44 mm
09-08
27.4° 21.4°
1.75 mm
09-09
29.6° 22.6°
1.0 mm
09-10
27.3° 22.2°
2.06 mm
09-11
28.1° 22.9°
3.94 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Honolulu?

18
Honolulu, Hawaii, USA
0.3 km PM2.5: 4.3 µg/m³
16
Honolulu, Hawaii, USA
0.3 km PM2.5: 3.8 µg/m³
14
Sand Island, Hawaii, USA
1.4 km PM2.5: 3.4 µg/m³
15
Sand Island, Hawaii, USA
1.4 km PM2.5: 3.6 µg/m³
22
Sand Island, Hawaii, USA
1.4 km PM2.5: 5.3 µg/m³
17
Sand Island, Hawaii, USA
1.4 km PM2.5: 4.1 µg/m³
1
Kapolei, Hawaii, USA
23.9 km PM2.5: 0.2 µg/m³

What cities are near Honolulu?

15 Ala Moana - Kakaʻako 15 Kalihi-Palama 15 Makiki / Lower Punchbowl / Tantalus 15 McCully - Moiliili 15 Mō‘ili‘ili 15 Waikīkī 15 Liliha - Kapalama 15 Nuuanu - Punchbowl 15 Manoa 15 Diamond Head / Kapahulu / Saint Louis Heights
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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 2026-09-05T15:46 UTC.