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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 | 3.2 | 12 AM | 11.0 | 10 AM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 4.0 | 08 PM | 4.8 | 01 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 4.5 | 02 PM | 13.0 | 11 AM |
| HAWAII | KAILUA-KONA | µg/m³ | 4.7 | 01 AM | 8.0 | 06 PM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 4.0 | 10 PM | 5.1 | 02 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 3.8 | 02 PM | 13.0 | 11 AM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 4.2 | 12 AM | 11.0 | 06 PM |
| HAWAII | KS HAWAII | µg/m³ | 4.3 | 01 PM | 8.0 | 11 AM | |
| HAWAII | MOUNTAIN VIEW | 15 001 2023 | µg/m³ | 2.9 | 06 PM | 6.0 | 02 PM |
| HAWAII | NAALEHU (ULT) | µg/m³ | 4.8 | 06 PM | 8.0 | 11 AM | |
| HAWAII | OCEAN VIEW | 15 001 2020 | µg/m³ | 4.6 | 01 AM | 10.0 | 09 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 4.4 | 03 AM | 5.9 | 01 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 3.0 | 02 AM | 8.0 | 06 PM |