Stay updated with real-time air quality in Kahului, Hawaii featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
27
Good
Kahului, Hawaii
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.39 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.98 μg/m³
0
55
155
255
425
605+
28.73 ppb
0
55
71
86
201
201+
0.15 ppb
0
36
76
186
605
1005+
0.22 ppb
0
54
101
361
1250
2050+
0.09 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Kahului, Hawaii
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AQI 27
Good
5.41μg/m³
PM2.5
23.72μg/m³
PM10
18.80ppb
O3
1.95ppb
SO2
2.63ppb
NO2
0.20ppm
CO
AQI 27
Good
5.38μg/m³
PM2.5
23.59μg/m³
PM10
18.81ppb
O3
1.95ppb
SO2
2.63ppb
NO2
0.20ppm
CO
AQI 18
Good
2.52μg/m³
PM2.5
10.99μg/m³
PM10
19.11ppb
O3
1.95ppb
SO2
2.63ppb
NO2
0.20ppm
CO
AQI 18
Good
2.67μg/m³
PM2.5
11.78μg/m³
PM10
18.82ppb
O3
1.95ppb
SO2
2.63ppb
NO2
0.20ppm
CO
AQI 19
Good
1.16μg/m³
PM2.5
5.17μg/m³
PM10
20.39ppb
O3
1.95ppb
SO2
2.64ppb
NO2
0.20ppm
CO
AQI 19
Good
2.05μg/m³
PM2.5
8.43μg/m³
PM10
20.28ppb
O3
1.55ppb
SO2
2.64ppb
NO2
0.20ppm
CO
Air quality data and pollutant measurements for Hawaii, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Kahului, Hawaii is updated every hour.
The worst air quality in Kahului, Hawaii in the last 24 hours was observed at 08:00:00 on 2025-11-04.
In the last 24 hrs, the best air quality in Kahului, Hawaii was observed at 09:00:00 on 2025-11-05.
The current air quality in Kahului, Hawaii is 19, categorized as Good based on real-time data.
The most common pollutant in Kahului, Hawaii is O3.
If the air quality in Kahului, Hawaii is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Kahului, Hawaii is 3.236 μg/m3.
The current PM10 concentration at Kahului, Hawaii is 14.675 μg/m3.
The current carbon monoxide (CO) concentration at Kahului, Hawaii is 0.2 ppm.
The current sulfur dioxide (SO2) concentration at Kahului, Hawaii is 2.47 ppb.
The current ozone (O3) concentration at Kahului, Hawaii is 19.847 ppm.
The current nitrogen dioxide (NO2) concentration at Kahului, Hawaii is 2.787 ppb.
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