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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 | 3.8 | 12 AM | 10.0 | 09 AM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 4.9 | 05 AM | 5.6 | 03 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 3.3 | 01 AM | 7.0 | 04 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 8.2 | 12 AM | 12.0 | 05 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 0.4 | 12 PM | 0.4 | 08 PM |
| OAHU | KAPOLEI-NCORE | 15 003 0010 | µg/m³ | 4.7 | 06 AM | 5.2 | 01 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 4.2 | 01 AM | 10.0 | 02 AM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 9.4 | 11 AM | 17.0 | 10 AM |
| HAWAII | KS HAWAII | µg/m³ | 3.4 | 12 PM | 10.0 | 11 AM | |
| HAWAII | MOUNTAIN VIEW | 15 001 2023 | µg/m³ | 2.6 | 04 PM | 12.0 | 11 AM |
| HAWAII | NAALEHU (ULT) | µg/m³ | 9.8 | 12 PM | 18.0 | 04 AM | |
| HAWAII | OCEAN VIEW | 15 001 2020 | µg/m³ | 11.8 | 01 PM | 19.0 | 01 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 4.6 | 01 PM | 6.9 | 04 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 3.0 | 10 AM | 10.0 | 11 AM |