Air Quality
2.0/5
30.4 µg/m³Unhealthy
Air Quality Profile
San reports an annual PM2.5 of 30.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
San
Mali
MaliAnnual Average
PoorWHO annual classification
30.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3535 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2525 µg/m³ — Poor
1919 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
2929 µg/m³ — Poor
2525 µg/m³ — Poor
3333 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3535 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2525 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
1919 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
2929 µg/m³ — Poor
2525 µg/m³ — Poor
3333 µg/m³ — Poor
Best months: Jul–SepWorst months: Feb–Mar, May
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
San reports an annual PM2.5 of 30.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
SanMali
MaliAnnual Average
PoorWHO annual classification
30.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
3535 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2525 µg/m³ — Poor
1919 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
2929 µg/m³ — Poor
2525 µg/m³ — Poor
3333 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
3535 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
4343 µg/m³ — Unhealthy
3434 µg/m³ — Poor
3939 µg/m³ — Unhealthy
2525 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
1919 µg/m³ — Moderate
1818 µg/m³ — Moderate
2323 µg/m³ — Moderate
2929 µg/m³ — Poor
2525 µg/m³ — Poor
3333 µg/m³ — Poor
Best months: Jul–SepWorst months: Feb–Mar, May
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 San
Things to consider in San
PM2.5 annual average of 30.4 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 San?
Why not San? Honestly, air quality is a meaningful downside — at 30.4 µg/m³ annual PM2.5, San sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about San
▶How many sunny days does San have per year?
San averages approximately 320 sunny days per year, based on historical climate data.
▶What is the air quality in San?
San has an annual PM2.5 concentration of 30.4 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.