Air Quality
3.3/5
16.6 µg/m³Sensitive Groups
Air Quality Profile
Vallenar reports an annual PM2.5 of 16.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Vallenar
Chile
ChileAnnual Average
ModerateWHO annual classification
16.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
Best months: Jan–MarWorst months: May–Jul
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Vallenar reports an annual PM2.5 of 16.6 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
VallenarChile
ChileAnnual Average
ModerateWHO annual classification
16.6µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1515 µg/m³ — Fair
2020 µg/m³ — Moderate
2222 µg/m³ — Moderate
Jul
Aug
Sep
Oct
Nov
Dec
2323 µg/m³ — Moderate
1818 µg/m³ — Moderate
1717 µg/m³ — Moderate
1515 µg/m³ — Moderate
1515 µg/m³ — Fair
1515 µg/m³ — Fair
Best months: Jan–MarWorst months: May–Jul
Fair10–15 µg/m³Moderate15–25 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Vallenar
Things to consider in Vallenar
PM2.5 annual average of 16.6 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 Vallenar?
Why not Vallenar? Honestly, air quality could be better — Vallenar's 16.6 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Vallenar
▶How many sunny days does Vallenar have per year?
Vallenar averages approximately 354 sunny days per year, based on historical climate data.
▶What is the air quality in Vallenar?
Vallenar has an annual PM2.5 concentration of 16.6 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.