What is the air quality trend in Port Harcourt?

Over the past 11 days, Port Harcourt had an average AQI of 97 based on station measurements. The worst day was 2026-07-27 with AQI 137.

How is Port Harcourt air quality measured?

Air quality in Port Harcourt 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 Harcourt, Nigeria

Name: Port Harcourt 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 Harcourt, Nigeria.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

108h

PM2.5 Station

108h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-07	76	29–154	24.4 µg/m³	9h	2
2026-08-06	100	62–153	34.7 µg/m³	13h	3
2026-08-05	87	45–134	28.7 µg/m³	6h	3
2026-08-04	112	53–163	40.9 µg/m³	14h	4
2026-08-03	95	68–119	32.5 µg/m³	4h	1
2026-08-01	126	70–158	46.3 µg/m³	16h	2
2026-07-29	87	23–161	30.1 µg/m³	14h	3
2026-07-28	95	61–135	32.7 µg/m³	11h	3
2026-07-27	137	113–157	52.7 µg/m³	7h	2
2026-07-26	88	53–151	29.1 µg/m³	13h	2
2026-07-25	69	69–69	20.6 µg/m³	1h	1

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