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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 | 3.6 | 12 AM | 4.9 | 08 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 2.0 | 01 AM | 5.0 | 11 AM |
| HAWAII | KAILUA-KONA | µg/m³ | 7.1 | 06 AM | 10.0 | 09 AM | |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 2.6 | 12 AM | 7.0 | 11 AM |
| HAWAII | NAALEHU (ULT) | µg/m³ | 2.5 | 10 AM | 6.0 | 05 AM | |
| HAWAII | OCEAN VIEW | 15 001 2020 | µg/m³ | 6.6 | 10 AM | 12.0 | 09 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 1.7 | 12 AM | 10.6 | 10 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 3.4 | 10 PM | 10.0 | 09 AM |