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| County | Site | Aqs id | Units | 24-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|---|
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 4.0 | 03 AM | 8.0 | 06 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 7.2 | 12 AM | 10.0 | 12 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 4.7 | 04 PM | 7.5 | 11 AM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 5.9 | 12 AM | 9.0 | 02 PM |
| HAWAII | PAHALA | 15 001 2016 | µg/m³ | 4.0 | 07 PM | 10.0 | 03 PM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 3.4 | 09 AM | 11.0 | 10 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 2.0 | 06 PM | 8.0 | 09 AM |