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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 | 6.0 | 10 AM | 11.0 | 10 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 6.8 | 05 PM | 12.0 | 01 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 8.2 | 03 PM | 12.0 | 01 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 6.3 | 09 PM | 7.6 | 08 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 3.5 | 09 AM | 9.0 | 10 AM |
| HAWAII | KS HAWAII | µg/m³ | 3.3 | 12 AM | 8.0 | 07 AM | |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 4.5 | 09 PM | 9.0 | 02 PM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 1.9 | 03 PM | 8.0 | 02 PM |