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| County | Site | Aqs id | Units | 24-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|---|
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 5.1 | 10 PM | 8.3 | 06 PM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 1.6 | 01 AM | 7.0 | 07 AM |
| HAWAII | KAILUA-KONA | µg/m³ | 8.5 | 09 AM | 13.0 | 12 PM | |
| OAHU | KAPOLEI-NCORE | 15 003 0010 | µg/m³ | 6.8 | 12 PM | 9.1 | 10 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 17.0 | 05 AM | 24.0 | 05 PM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 7.3 | 12 AM | 8.0 | 11 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 4.4 | 12 PM | 16.1 | 04 PM |