Air Quality
1.2/5
40.1 µg/m³Very Unhealthy
Air Quality Profile
Port Harcourt reports an annual PM2.5 of 40.1 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Port Harcourt
Nigeria
NigeriaAnnual Average
UnhealthyWHO annual classification
40.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7373 µg/m³ — Very Unhealthy
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
3535 µg/m³ — Poor
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
5555 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
7373 µg/m³ — Very Unhealthy
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3535 µg/m³ — Poor
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
5555 µg/m³ — Very Unhealthy
Best months: Jun, Sep–OctWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Port Harcourt reports an annual PM2.5 of 40.1 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Port HarcourtNigeria
NigeriaAnnual Average
UnhealthyWHO annual classification
40.1µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
7373 µg/m³ — Very Unhealthy
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
3535 µg/m³ — Poor
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
5555 µg/m³ — Very Unhealthy
Jan
Feb
Mar
Apr
May
Jun
7373 µg/m³ — Very Unhealthy
6666 µg/m³ — Very Unhealthy
4949 µg/m³ — Unhealthy
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2727 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3535 µg/m³ — Poor
3232 µg/m³ — Poor
2424 µg/m³ — Moderate
2424 µg/m³ — Moderate
3434 µg/m³ — Poor
5555 µg/m³ — Very Unhealthy
Best months: Jun, Sep–OctWorst months: Jan–Feb, Dec
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³Very Unhealthy50–75 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Port Harcourt
Things to consider in Port Harcourt
PM2.5 annual average of 40.1 µg/m³ exceeds the WHO interim target of 15 µg/m³. The WHO guideline value is 5 µg/m³.
Data sources: WHO (air quality), OECD (safety).
Why not Port Harcourt?
Why not Port Harcourt? Honestly, air quality is a genuine health trade-off — Port Harcourt's annual PM2.5 of 40.1 µg/m³ exceeds the EU limit and WHO standards by a wide margin, with respiratory impacts documented at these levels.
Frequently asked about Port Harcourt
▶How many sunny days does Port Harcourt have per year?
Port Harcourt averages approximately 150 sunny days per year, based on historical climate data.
▶What is the air quality in Port Harcourt?
Port Harcourt has an annual PM2.5 concentration of 40.1 µg/m³, classified as "Unhealthy" by WHO standards. Far exceeds WHO targets. Respiratory and cardiovascular effects likely.