What is the air quality trend in Port of Spain?

Over the past 8 days, Port of Spain had an average AQI of 51 based on station measurements. The worst day was 2026-07-15 with AQI 73.

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 Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

151h

PM2.5 Station

151h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	56	38–85	15.3 µg/m³	4h	2
2026-07-21	49	12–152	14.6 µg/m³	21h	2
2026-07-20	34	4–68	8.6 µg/m³	23h	2
2026-07-19	53	21–155	15.6 µg/m³	23h	2
2026-07-18	55	21–141	16.1 µg/m³	21h	3
2026-07-17	41	5–66	10.4 µg/m³	21h	2
2026-07-16	54	20–181	17.6 µg/m³	21h	2
2026-07-15	73	13–204	29.0 µg/m³	17h	2

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