Air Quality Lab — Kailua, United States
Air Quality Profile·
Kailua reports an annual PM2.5 of 3.5 µg/m³. That's below the WHO 2021 annual guideline of 5 µg/m³ — cleaner than most cities on the continent.
Kailua
United States
United StatesAnnual Average
ExcellentWHO annual classification
3.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
4.04.0 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
Jan
Feb
Mar
Apr
May
Jun
4.04.0 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
3.83.8 µg/m³ — Excellent
4.64.6 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
2.92.9 µg/m³ — Excellent
Jul
Aug
Sep
Oct
Nov
Dec
2.92.9 µg/m³ — Excellent
2.52.5 µg/m³ — Excellent
3.03.0 µg/m³ — Excellent
3.33.3 µg/m³ — Excellent
3.63.6 µg/m³ — Excellent
3.73.7 µg/m³ — Excellent
Best months: Jun–AugWorst months: Jan, Mar–Apr
Excellent0–5 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across United States
Kailua: 3.5 µg/m³. Typical range in United States: 6.4–7.8 µg/m³. Low anchor: Anchorage, 4.3 µg/m³. High anchor: Los Angeles, 13.8 µg/m³.
2,121 cities tracked