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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 | 08 AM | 15.0 | 09 AM |
| OAHU | HONOLULU | 15 003 1001 | µg/m³ | 2.8 | 09 PM | 3.7 | 09 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 5.0 | 09 PM | 25.0 | 07 PM |
| HAWAII | KAILUA-KONA | µg/m³ | 2.3 | 12 AM | 5.0 | 11 AM | |
| OAHU | KAPOLEI | 15 003 0010 | µg/m³ | 2.7 | 12 PM | 4.3 | 08 AM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 1.9 | 07 AM | 6.0 | 06 AM |
| HAWAII | KS HAWAII | µg/m³ | 3.3 | 06 AM | 6.0 | 10 AM | |
| HAWAII | MOUNTAIN VIEW | 15 001 2023 | µg/m³ | 2.4 | 01 AM | 7.0 | 10 PM |
| HAWAII | NAALEHU (ULT) | µg/m³ | 2.4 | 11 AM | 7.0 | 12 PM | |
| HAWAII | OCEAN VIEW | 15 001 2020 | µg/m³ | 3.0 | 11 AM | 17.0 | 09 AM |
| HAWAII | PAHALA | 15 001 2016 | µg/m³ | 3.8 | 10 AM | 12.0 | 09 AM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 4.2 | 07 AM | 6.0 | 02 AM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 1.9 | 11 PM | 7.0 | 10 AM |