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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 | 6 | 09 AM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 2.5 | 01 AM | 5 | 05 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 3.1 | 01 PM | 9.0 | 01 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 2.3 | 01 PM | 6.0 | 02 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 3.2 | 12 AM | 3 | 03 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 2.2 | 07 AM | 7 | 11 AM |
| HAWAII | KONA | 15 001 1012 | µg/m³ | 1.8 | 12 AM | 5 | 12 PM |
| HAWAII | KS HAWAII | µg/m³ | 2.8 | 01 PM | 7.0 | 11 AM | |
| HAWAII | MOUNTAIN VIEW | 15 001 2023 | µg/m³ | 2.8 | 01 PM | 6 | 11 AM |
| HAWAII | NAALEHU | µg/m³ | 2.6 | 11 AM | 5.0 | 10 AM | |
| KAUAI | NIUMALU | 15 007 0007 | µg/m³ | 2.7 | 01 PM | 8 | 01 PM |
| HAWAII | PAHALA | 15 001 2016 | µg/m³ | 2.1 | 12 AM | 6 | 01 AM |
| OAHU | PEARL CITY | 15 003 2004 | µg/m³ | 2.4 | 12 AM | 6 | 09 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 2.3 | 12 AM | 6 | 10 AM |
| HAWAII | WAIKOLOA ES | µg/m³ | 2.2 | 12 AM | 5.0 | 11 AM |