Air Quality
2.2/5
28.5 µg/m³Unhealthy
Air Quality Profile
Ḩajjah reports an annual PM2.5 of 28.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Ḩajjah
Yemen
YemenAnnual Average
PoorWHO annual classification
28.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
3737 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2929 µg/m³ — Poor
4242 µg/m³ — Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
3636 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
3737 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2929 µg/m³ — Poor
4242 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
2828 µg/m³ — Poor
3636 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Best months: Jan, Nov–DecWorst months: Mar, Jun, Sep
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Ḩajjah reports an annual PM2.5 of 28.5 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
ḨajjahYemen
YemenAnnual Average
PoorWHO annual classification
28.5µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
3737 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2929 µg/m³ — Poor
4242 µg/m³ — Unhealthy
3030 µg/m³ — Poor
2828 µg/m³ — Poor
3636 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2424 µg/m³ — Moderate
3737 µg/m³ — Unhealthy
2626 µg/m³ — Poor
2929 µg/m³ — Poor
4242 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
2828 µg/m³ — Poor
3636 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2222 µg/m³ — Moderate
1717 µg/m³ — Moderate
Best months: Jan, Nov–DecWorst months: Mar, Jun, Sep
Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Ḩajjah
Things to consider in Ḩajjah
PM2.5 annual average of 28.5 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 Ḩajjah?
Why not Ḩajjah? Honestly, air quality is a meaningful downside — at 28.5 µg/m³ annual PM2.5, Ḩajjah sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about Ḩajjah
▶How many sunny days does Ḩajjah have per year?
Ḩajjah averages approximately 321 sunny days per year, based on historical climate data.
▶What is the air quality in Ḩajjah?
Ḩajjah has an annual PM2.5 concentration of 28.5 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.