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| County | Site | Aqs id | Units | 24-Hour | Hour Of Day | 1-Hour | Hour Of Day |
|---|---|---|---|---|---|---|---|
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 9.5 | 09 AM | 8.9 | 03 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 4.0 | 02 AM | 10.0 | 12 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 5.0 | 03 AM | 10.0 | 01 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 9.2 | 09 AM | 8.3 | 03 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 4.1 | 01 AM | 6.0 | 02 PM |