Air Quality Lab — Keren, Eritrea
Air Quality Profile·
Keren reports an annual PM2.5 of 22.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Keren
Eritrea
EritreaAnnual Average
ModerateWHO annual classification
22.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1212 µg/m³ — Fair
1818 µg/m³ — Moderate
2727 µg/m³ — Poor
2020 µg/m³ — Moderate
3232 µg/m³ — Poor
3030 µg/m³ — Poor
2121 µg/m³ — Moderate
2525 µg/m³ — Poor
3434 µg/m³ — Poor
2828 µg/m³ — Poor
1313 µg/m³ — Fair
9.19.1 µg/m³ — Good
Jan
Feb
Mar
Apr
May
Jun
1212 µg/m³ — Fair
1818 µg/m³ — Moderate
2727 µg/m³ — Poor
2020 µg/m³ — Moderate
3232 µg/m³ — Poor
3030 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
2121 µg/m³ — Moderate
2525 µg/m³ — Poor
3434 µg/m³ — Poor
2828 µg/m³ — Poor
1313 µg/m³ — Fair
9.19.1 µg/m³ — Good
Best months: Jan, Nov–DecWorst months: May–Jun, Sep
Good5–10 µg/m³Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
How air quality compares
Compared across Eritrea
Keren: 22.3 µg/m³. Typical range in Eritrea: 22.3–28.8 µg/m³. Low anchor: Barentu, 20.5 µg/m³. High anchor: Massawa, 46.5 µg/m³.
7 cities tracked