What is the air quality trend in Port Harcourt?

Over the past 8 days, Port Harcourt had an average AQI of 102 based on station measurements. The worst day was 2026-07-20 with AQI 142.

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

89h

PM2.5 Station

89h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	81	61–103	26.1 µg/m³	5h	2
2026-07-21	90	32–178	33.2 µg/m³	16h	2
2026-07-20	142	67–174	60.6 µg/m³	14h	3
2026-07-19	110	71–162	40.8 µg/m³	16h	3
2026-07-18	125	64–172	52.6 µg/m³	15h	2
2026-07-17	89	57–152	29.3 µg/m³	7h	1
2026-07-16	90	62–111	30.2 µg/m³	7h	1
2026-07-15	90	63–151	29.9 µg/m³	9h	2

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