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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 | 4.5 | 12 AM | 10.0 | 02 PM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 8.9 | 02 AM | 14.3 | 12 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 3.6 | 02 AM | 5.0 | 03 AM |
| HAWAII | KAILUA-KONA | µg/m³ | 4.6 | 11 AM | 7.0 | 05 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 0.3 | 12 PM | 0.4 | 04 PM |
| OAHU | KAPOLEI-NCORE | 15 003 0010 | µg/m³ | 6.4 | 01 AM | 17.6 | 10 PM |
| HAWAII | KS HAWAII | µg/m³ | 3.2 | 11 AM | 6.0 | 07 PM | |
| HAWAII | NAALEHU (ULT) | µg/m³ | 3.7 | 10 AM | 5.0 | 06 PM | |
| HAWAII | PAHALA | 15 001 2016 | µg/m³ | 3.7 | 10 AM | 3.0 | 01 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 9.1 | 12 PM | 17.1 | 09 PM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 3.0 | 08 AM | 6.0 | 03 AM |