SmogRank / Antigua and Barbuda
Air quality in Saint John’s estimated
Saint John Parish, Antigua and Barbuda. No ground monitor we can use is in this city, so these numbers are model estimates, not measurements.
Estimated PM2.5, 7-day average to 2026-09-30, about 0.5× the WHO 24-hour guideline. 30-day average ≈ 7 µg/m³.
Model estimate from the Copernicus Atmosphere Monitoring Service (CAMS), scaled by 0.84 to match 5 measured cities within 300 km over the last week. Adjusted this way, a single day lands within ×1.5 of what a monitor would read about two times in three: a guide, not a measurement. Not ranked on SmogRank's boards.
Last 30 days, estimated
Daily means, UTC days. Dashed line: WHO 24-hour guideline (15 µg/m³).
Measured cities nearby
| City | Distance | 7-day average |
|---|---|---|
| Les Abymes | 101 km | 7.5 µg/m³ |
| Marigot | 168 km | 6.6 µg/m³ |
| Le Robert | 288 km | 6.7 µg/m³ |
| Fort-de-France | 292 km | 7.1 µg/m³ |
| Le Lamentin | 293 km | 6.9 µg/m³ |
Estimates contain modified Copernicus Atmosphere Monitoring Service information 2026. How estimates are made.