What is the air quality in Honolulu today?

The current Air Quality Index (AQI) in Honolulu is 11 (Good). PM2.5 concentration is 2.61 µg/m³.

What is the temperature in Honolulu right now?

The current temperature in Honolulu is 23.3°C (feels like 23.3°C). Humidity is 69.0% and wind speed is 57.8 km/h.

Is it safe to go outside in Honolulu?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Honolulu, United States

Drizzle

23.3°C · 69.0% humidity

23.3°

Feels 23.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

27 4am

11 7am

21 10am

25 1pm

26 4pm

25 7pm

25 10pm

27 1am

Air Quality Index Trend

33h · 1 stn

View full history →

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.

69.0%

Humidity

57.8 km/h

Wind ENE

1016.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

2.61 µg/m³

PM10▲

13.7 µg/m³

050100150200300500

What is the weather forecast for Honolulu?

Temperature & Precipitation

PM2.5 Trend

33h · 1 station

PM2.52.61 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

2.61

Median

2.75

Average

2.6

Low

2.9

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +3.6

What is the 7-day forecast for Honolulu?

07-21

27.6° 21.4°

0.88 mm

07-22

26.5° 22.2°

0.38 mm

07-23

25.7° 22.0°

1.31 mm

07-24

27.1° 21.1°

1.63 mm

07-25

26.4° 21.0°

0.75 mm

07-26

27.1° 22.3°

1.19 mm

07-27

28.3° 21.4°

0.56 mm

Both models agree Avg diff: 2.6°C

Where are air quality stations near Honolulu?

Honolulu, Hawaii, USA

0.3 km PM2.5: 9.6 µg/m³

Sand Island, Hawaii, USA

1.4 km PM2.5: 9.1 µg/m³

Kapolei, Hawaii, USA

23.9 km PM2.5: 1.4 µg/m³

What cities are near Honolulu?

11 Ala Moana - Kakaʻako 12 Kalihi-Palama 11 Makiki / Lower Punchbowl / Tantalus 11 McCully - Moiliili 11 Mō‘ili‘ili 11 Waikīkī 11 Liliha - Kapalama 11 Nuuanu - Punchbowl 11 Manoa 11 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 2026-07-21T17:11 UTC.