SmogRank / United States / Hawaii

Air quality in Makakilo / Kapolei / Honokai Hale

Hawaii, United States. PM2.5 from 1 reference monitor, updated hourly.

– µg/m³

No reading in the last few days.

Rank

24 h
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not enough data
7 days
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not enough data
30 days
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not enough data
Year
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not enough data

Last 0 days, hour by hour

No hourly readings yet.

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: no data2025-09-30: no data2025-10-01: no data2025-10-02: no data2025-10-03: no data2025-10-04: no data2025-10-05: no data2025-10-06: no data2025-10-07: no data2025-10-08: no data2025-10-09: no data2025-10-10: no data2025-10-11: no data2025-10-12: no data2025-10-13: no data2025-10-14: no data2025-10-15: no data2025-10-16: no data2025-10-17: no data2025-10-18: no data2025-10-19: no data2025-10-20: no data2025-10-21: no data2025-10-22: no data2025-10-23: no data2025-10-24: no data2025-10-25: no data2025-10-26: no data2025-10-27: no data2025-10-28: no data2025-10-29: no data2025-10-30: no data2025-10-31: no data2025-11-01: no data2025-11-02: no data2025-11-03: no data2025-11-04: no data2025-11-05: 0.3 µg/m³2025-11-06: no data2025-11-07: no data2025-11-08: 0.3 µg/m³2025-11-09: no data2025-11-10: no data2025-11-11: no data2025-11-12: no data2025-11-13: 0.4 µg/m³2025-11-14: no data2025-11-15: no data2025-11-16: no data2025-11-17: no data2025-11-18: no data2025-11-19: no data2025-11-20: no data2025-11-21: no data2025-11-22: no data2025-11-23: no data2025-11-24: 0.4 µg/m³2025-11-25: 0.5 µg/m³2025-11-26: 0.5 µg/m³2025-11-27: no data2025-11-28: no data2025-11-29: no data2025-11-30: no data2025-12-01: no data2025-12-02: 0.2 µg/m³2025-12-03: 0.2 µg/m³2025-12-04: 0.2 µg/m³2025-12-05: 0.2 µg/m³2025-12-06: 0.2 µg/m³2025-12-07: no data2025-12-08: no data2025-12-09: no data2025-12-10: 0.2 µg/m³2025-12-11: 0.3 µg/m³2025-12-12: 0.3 µg/m³2025-12-13: no data2025-12-14: 0.3 µg/m³2025-12-15: 0.3 µg/m³2025-12-16: 0.3 µg/m³2025-12-17: no data2025-12-18: 0.4 µg/m³2025-12-19: 0.4 µg/m³2025-12-20: 0.3 µg/m³2025-12-21: no data2025-12-22: no data2025-12-23: no data2025-12-24: no data2025-12-25: no data2025-12-26: no data2025-12-27: no data2025-12-28: 0.4 µg/m³2025-12-29: 0.4 µg/m³2025-12-30: 0.4 µg/m³2025-12-31: 0.4 µg/m³2026-01-01: no data2026-01-02: 0.4 µg/m³2026-01-03: 0.4 µg/m³2026-01-04: 0.4 µg/m³2026-01-05: no data2026-01-06: no data2026-01-07: no data2026-01-08: 0.5 µg/m³2026-01-09: 0.5 µg/m³2026-01-10: 0.5 µg/m³2026-01-11: 0.4 µg/m³2026-01-12: no data2026-01-13: no data2026-01-14: 0.5 µg/m³2026-01-15: 0.4 µg/m³2026-01-16: no data2026-01-17: no data2026-01-18: no data2026-01-19: no data2026-01-20: 0.6 µg/m³2026-01-21: 0.5 µg/m³2026-01-22: 0.5 µg/m³2026-01-23: 0.5 µg/m³2026-01-24: 0.5 µg/m³2026-01-25: no data2026-01-26: no data2026-01-27: 0.6 µg/m³2026-01-28: no data2026-01-29: no data2026-01-30: no data2026-01-31: 0.1 µg/m³2026-02-01: no data2026-02-02: no data2026-02-03: 0.0 µg/m³2026-02-04: 0.1 µg/m³2026-02-05: 0.1 µg/m³2026-02-06: 0.1 µg/m³2026-02-07: no data2026-02-08: no data2026-02-09: no data2026-02-10: no data2026-02-11: no data2026-02-12: no data2026-02-13: no data2026-02-14: no data2026-02-15: no data2026-02-16: no data2026-02-17: no data2026-02-18: no data2026-02-19: no data2026-02-20: 0.2 µg/m³2026-02-21: 0.2 µg/m³2026-02-22: 0.2 µg/m³2026-02-23: 0.2 µg/m³2026-02-24: 0.2 µg/m³2026-02-25: 0.2 µg/m³2026-02-26: no data2026-02-27: no data2026-02-28: 0.2 µg/m³2026-03-01: 0.2 µg/m³2026-03-02: 0.2 µg/m³2026-03-03: no data2026-03-04: 0.2 µg/m³2026-03-05: 0.3 µg/m³2026-03-06: no data2026-03-07: no data2026-03-08: no data2026-03-09: 0.3 µg/m³2026-03-10: no data2026-03-11: no data2026-03-12: 0.3 µg/m³2026-03-13: 0.3 µg/m³2026-03-14: 0.3 µg/m³2026-03-15: 0.3 µg/m³2026-03-16: 0.3 µg/m³2026-03-17: 0.3 µg/m³2026-03-18: 0.4 µg/m³2026-03-19: 0.3 µg/m³2026-03-20: 0.3 µg/m³2026-03-21: 0.3 µg/m³2026-03-22: 0.4 µg/m³2026-03-23: 0.3 µg/m³2026-03-24: 0.3 µg/m³2026-03-25: 0.3 µg/m³2026-03-26: no data2026-03-27: no data2026-03-28: no data2026-03-29: no data2026-03-30: no data2026-03-31: no data2026-04-01: 0.4 µg/m³2026-04-02: 0.4 µg/m³2026-04-03: 0.4 µg/m³2026-04-04: 0.4 µg/m³2026-04-05: no data2026-04-06: no data2026-04-07: 0.5 µg/m³2026-04-08: 0.5 µg/m³2026-04-09: 0.5 µg/m³2026-04-10: 0.5 µg/m³2026-04-11: 0.4 µg/m³2026-04-12: 0.5 µg/m³2026-04-13: no data2026-04-14: 0.1 µg/m³2026-04-15: 0.1 µg/m³2026-04-16: 0.1 µg/m³2026-04-17: 0.1 µg/m³2026-04-18: no data2026-04-19: no data2026-04-20: no data2026-04-21: 0.1 µg/m³2026-04-22: no data2026-04-23: no data2026-04-24: no data2026-04-25: no data2026-04-26: no data2026-04-27: no data2026-04-28: no data2026-04-29: no data2026-04-30: no data2026-05-01: no data2026-05-02: no data2026-05-03: no data2026-05-04: no data2026-05-05: 0.2 µg/m³2026-05-06: 0.2 µg/m³2026-05-07: 0.2 µg/m³2026-05-08: no data2026-05-09: no data2026-05-10: no data2026-05-11: no data2026-05-12: no data2026-05-13: no data2026-05-14: no data2026-05-15: no data2026-05-16: no data2026-05-17: no data2026-05-18: no data2026-05-19: no data2026-05-20: no data2026-05-21: no data2026-05-22: no data2026-05-23: no data2026-05-24: no data2026-05-25: no data2026-05-26: no data2026-05-27: no data2026-05-28: no data2026-05-29: no data2026-05-30: no data2026-05-31: no data2026-06-01: no data2026-06-02: no data2026-06-03: no data2026-06-04: no data2026-06-05: no data2026-06-06: no data2026-06-07: no data2026-06-08: no data2026-06-09: no data2026-06-10: no data2026-06-11: no data2026-06-12: no data2026-06-13: no data2026-06-14: no data2026-06-15: no data2026-06-16: no data2026-06-17: no data2026-06-18: no data2026-06-19: no data2026-06-20: no data2026-06-21: no data2026-06-22: no data2026-06-23: no data2026-06-24: no data2026-06-25: no data2026-06-26: no data2026-06-27: no data2026-06-28: no data2026-06-29: no data2026-06-30: no data2026-07-01: no data2026-07-02: no data2026-07-03: no data2026-07-04: no data2026-07-05: no data2026-07-06: no data2026-07-07: no data2026-07-08: no data2026-07-09: no data2026-07-10: no data2026-07-11: no data2026-07-12: no data2026-07-13: no data2026-07-14: no data2026-07-15: no data2026-07-16: no data2026-07-17: no data2026-07-18: no data2026-07-19: no data2026-07-20: no data2026-07-21: no data2026-07-22: no data2026-07-23: no data2026-07-24: no data2026-07-25: no data2026-07-26: no data2026-07-27: no data2026-07-28: no data2026-07-29: no data2026-07-30: no data2026-07-31: no data2026-08-01: no data2026-08-02: no data2026-08-03: no data2026-08-04: no data2026-08-05: no data2026-08-06: no data2026-08-07: no data2026-08-08: no data2026-08-09: no data2026-08-10: no data2026-08-11: no data2026-08-12: no data2026-08-13: no data2026-08-14: no data2026-08-15: no data2026-08-16: no data2026-08-17: no data2026-08-18: no data2026-08-19: no data2026-08-20: no data2026-08-21: no data2026-08-22: no data2026-08-23: no data2026-08-24: no data2026-08-25: no data2026-08-26: no data2026-08-27: no data2026-08-28: no data2026-08-29: no data2026-08-30: no data2026-08-31: no data2026-09-01: no data2026-09-02: no data2026-09-03: no data2026-09-04: no data2026-09-05: no data2026-09-06: no data2026-09-07: no data2026-09-08: no data2026-09-09: no data2026-09-10: no data2026-09-11: no data2026-09-12: no data2026-09-13: no data2026-09-14: no data2026-09-15: no data2026-09-16: no data2026-09-17: no data2026-09-18: no data2026-09-19: no data2026-09-20: no data2026-09-21: no data2026-09-22: no data2026-09-23: no data2026-09-24: no data2026-09-25: no data2026-09-26: no data2026-09-27: no data2026-09-28: no data2026-09-29: no data
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

0 of 88 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2409DecJanFebMarAprMay

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2025: 4.6 µg/m³Jan 2026: 0.5 µg/m³JanFeb 2025: 4.4 µg/m³Feb 2026: 0.2 µg/m³FebMar 2025: 4.9 µg/m³Mar 2026: 0.3 µg/m³MarApr 2025: 4.8 µg/m³Apr 2026: 0.3 µg/m³AprMay 2025: 3.6 µg/m³MayJun 2025: 3.5 µg/m³JunJul 2025: 3.4 µg/m³JulAug 2025: 3.7 µg/m³AugSep 2025: 3.4 µg/m³SepOctNovDec 2025: 0.3 µg/m³Dec

Faded bars: 2025. A month shows once it has 10 measured days.

Monitors

StationOperatorType
KapoleiUS Public DomainAirNowReference

The city's value is the median of its reference monitors each hour; low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in United States

Calexico 22.9Jurupa Valley 12.9Riverside 12.4Little Rock 12.0Hanford 12.0Oceanside 11.9Laredo 11.8Clovis 11.2Fontana 11.2Corcoran 11.1Shreveport 11.0Wake Forest 11.0

30-day averages, µg/m³. All of United States →

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.