What is the air quality trend in Port of Spain?

Over the past 15 days, Port of Spain had an average AQI of 49 based on station measurements. The worst day was 2026-05-20 with AQI 70.

How is Port of Spain air quality measured?

Air quality in Port of Spain is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Port of Spain, Trinidad and Tobago

Name: Port of Spain Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Port of Spain, Trinidad and Tobago.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

246h

PM2.5 Station

246h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	46	28–58	11.6 µg/m³	5h	3
2026-05-29	48	22–135	13.7 µg/m³	16h	3
2026-05-28	45	16–182	15.6 µg/m³	18h	2
2026-05-27	50	10–123	15.0 µg/m³	20h	2
2026-05-26	43	13–218	17.0 µg/m³	20h	2
2026-05-25	66	13–164	25.1 µg/m³	18h	2
2026-05-24	64	10–170	21.7 µg/m³	21h	2
2026-05-23	49	12–133	14.7 µg/m³	19h	2
2026-05-22	47	6–139	14.6 µg/m³	16h	2
2026-05-21	56	15–182	20.1 µg/m³	22h	2
2026-05-20	70	8–271	30.8 µg/m³	18h	2
2026-05-19	39	10–150	11.9 µg/m³	19h	2
2026-05-18	25	9–53	6.1 µg/m³	14h	2
2026-05-17	48	10–188	21.4 µg/m³	9h	2
2026-05-16	46	16–113	13.5 µg/m³	11h	3

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