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| County | Site | Aqs id | Units | 24-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|---|
| HAWAII | HILO | 15 001 1006 | µg/m³ | 3.5 | 10 AM | 9.0 | 09 AM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 4.7 | 03 AM | 5.1 | 04 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 1.7 | 02 PM | 6.0 | 06 AM |
| HAWAII | KAILUA-KONA | µg/m³ | 6.2 | 12 PM | 22.0 | 07 PM | |
| OAHU | KAPOLEI-NCORE | 15 003 0010 | µg/m³ | 4.8 | 01 AM | 4.7 | 01 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 3.5 | 09 AM | 9.0 | 11 AM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 6.7 | 12 PM | 18.0 | 07 PM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 3.5 | 12 AM | 6.1 | 09 AM |