What is the air quality trend in Port of Spain?

Over the past 15 days, Port of Spain had an average AQI of 56 based on station measurements. The worst day was 2026-05-27 with AQI 86.

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
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

278h

PM2.5 Station

278h · 4 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	45	15–94	12.8 µg/m³	10h	3
2026-06-08	51	7–135	15.0 µg/m³	22h	4
2026-06-07	47	5–111	13.8 µg/m³	21h	3
2026-06-06	56	8–157	17.8 µg/m³	20h	4
2026-06-05	69	16–164	23.2 µg/m³	19h	3
2026-06-04	67	15–283	28.2 µg/m³	18h	4
2026-06-03	57	9–123	16.8 µg/m³	19h	3
2026-06-02	46	14–131	12.8 µg/m³	21h	4
2026-06-01	42	4–87	11.0 µg/m³	19h	3
2026-05-31	42	8–118	11.8 µg/m³	19h	3
2026-05-30	51	16–86	14.1 µg/m³	18h	4
2026-05-29	66	16–166	21.6 µg/m³	20h	3
2026-05-28	63	9–129	19.4 µg/m³	21h	3
2026-05-27	86	21–175	30.6 µg/m³	21h	4
2026-05-26	57	24–77	16.3 µg/m³	10h	3

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