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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 | 3.4 | 03 AM | 9.0 | 11 AM |
| MAUI | KAHULUI | 15 009 0025 | µg/m³ | 4.1 | 03 PM | 11.0 | 03 PM |
| OAHU | KAPOLEI-NCORE | 15 003 0010 | µg/m³ | 3.8 | 12 AM | 4.7 | 08 PM |
| MAUI | KIHEI | 15 009 0006 | µg/m³ | 2.9 | 12 PM | 11.0 | 10 AM |
| HAWAII | KS HAWAII | µg/m³ | 2.5 | 12 PM | 14.0 | 01 PM | |
| HAWAII | MOUNTAIN VIEW | 15 001 2023 | µg/m³ | 2.3 | 08 PM | 11.0 | 01 PM |
| HAWAII | NAALEHU (ULT) | µg/m³ | 5.3 | 12 AM | 11.0 | 07 AM | |
| HAWAII | OCEAN VIEW | 15 001 2020 | µg/m³ | 10.7 | 03 AM | 15.0 | 01 AM |
| HAWAII | PAHALA | 15 001 2016 | µg/m³ | 5.0 | 01 AM | 11.0 | 08 PM |
| OAHU | SAND ISLAND | 15 003 1004 | µg/m³ | 3.2 | 12 PM | 8.5 | 03 PM |
| HAWAII | WAIKOLOA 21 | µg/m³ | 2.8 | 11 PM | 10.0 | 12 PM |