EPA Air · by state

Air-emissions sources in Hawaii

• 102Facilities

By emissions classification in Hawaii

• Major source
• Synthetic minor source
• Minor source
• Emissions classification unknown
• Other
• Not applicable

High-priority violations in Hawaii

13 sources in Hawaii carry a current high-priority Clean Air Act violation.

Counties in Hawaii

• Hawaii County 17
• Honolulu County 52
• Kauai County 6
• Maui County 11
• Undetermined County 16

Industries in Hawaii

Sources are grouped by the first industry code on the facility record.

• Utilities (NAICS 2211) 31
• NAICS 9999 14
• Merchant wholesalers, nondurable goods (NAICS 4247) 12
• Mining and quarrying (NAICS 2123) 12
• Petroleum and coal products manufacturing (NAICS 3241) 8
• Waste management and remediation (NAICS 5622) 5
• National security and international affairs (NAICS 9281) 4
• Specialty trade contractors (NAICS 2389) 3

Air inspections in Hawaii, by year

A compliance evaluation is the on-site or file review a state, local or federal air agency records against a permitted source.

• 2026 38
• 2025 43
• 2024 49
• 2023 55
• 2022 51
• 2021 58
• 2020 52
• 2019 35
• 2018 45
• 2017 49

Facilities

Figures from EPA’s ICIS-AIR download.