Air Quality
2.3/5
27.4 µg/m³Unhealthy
Air Quality Profile
Butare reports an annual PM2.5 of 27.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Butare
Rwanda
RwandaAnnual Average
PoorWHO annual classification
27.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2727 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3333 µg/m³ — Poor
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2727 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2929 µg/m³ — Poor
3333 µg/m³ — Poor
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
Best months: Apr–JunWorst months: Feb, Jul–Aug
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
Butare reports an annual PM2.5 of 27.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
ButareRwanda
RwandaAnnual Average
PoorWHO annual classification
27.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2727 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Moderate
2929 µg/m³ — Poor
3333 µg/m³ — Poor
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
2727 µg/m³ — Poor
3737 µg/m³ — Unhealthy
2727 µg/m³ — Poor
2323 µg/m³ — Moderate
2222 µg/m³ — Moderate
2525 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2929 µg/m³ — Poor
3333 µg/m³ — Poor
2727 µg/m³ — Poor
2626 µg/m³ — Poor
2727 µg/m³ — Poor
2525 µg/m³ — Moderate
Best months: Apr–JunWorst months: Feb, Jul–Aug
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 Butare
Things to consider in Butare
PM2.5 annual average of 27.4 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 Butare?
Why not Butare? Honestly, air quality is a meaningful downside — at 27.4 µg/m³ annual PM2.5, Butare sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about Butare
▶How many sunny days does Butare have per year?
Butare averages approximately 223 sunny days per year, based on historical climate data.
▶What is the air quality in Butare?
Butare has an annual PM2.5 concentration of 27.4 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.