Air Quality Lab — Honiara, Solomon Islands
Air Quality Profile·
Honiara reports an annual PM2.5 of 6.3 µg/m³. That's close to the WHO 2021 annual guideline (5 µg/m³) and well inside historically healthy ranges.
Honiara
Solomon Islands
Solomon IslandsAnnual Average
GoodWHO annual classification
6.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7.07.0 µg/m³ — Good
6.16.1 µg/m³ — Good
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
6.16.1 µg/m³ — Good
5.45.4 µg/m³ — Good
4.94.9 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.66.6 µg/m³ — Good
6.26.2 µg/m³ — Good
5.85.8 µg/m³ — Good
8.28.2 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
7.07.0 µg/m³ — Good
6.16.1 µg/m³ — Good
6.86.8 µg/m³ — Good
7.07.0 µg/m³ — Good
6.16.1 µg/m³ — Good
5.45.4 µg/m³ — Good
Jul
Aug
Sep
Oct
Nov
Dec
4.94.9 µg/m³ — Excellent
5.85.8 µg/m³ — Good
6.66.6 µg/m³ — Good
6.26.2 µg/m³ — Good
5.85.8 µg/m³ — Good
8.28.2 µg/m³ — Good
Best months: Jun–AugWorst months: Jan, Apr, Dec
Excellent0–5 µg/m³Good5–10 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Oceania
Honiara: 6.3 µg/m³. Typical range in Oceania: 5.4–6.3 µg/m³. Low anchor: Tarawa, 2.6 µg/m³. High anchor: Port Moresby, 7.8 µg/m³.
165 cities tracked