Air Quality
1.9/5
31.4 µg/m³Unhealthy
Air Quality Profile
Manaus reports an annual PM2.5 of 31.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
Manaus
Brazil
BrazilAnnual Average
PoorWHO annual classification
31.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2323 µg/m³ — Moderate
2626 µg/m³ — Poor
2828 µg/m³ — Poor
3131 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2626 µg/m³ — Poor
2828 µg/m³ — Poor
3131 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Best months: Jan–MarWorst months: Sep–Nov
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
Manaus reports an annual PM2.5 of 31.4 µg/m³. That's above the EU annual limit of 25 µg/m³ — long-term exposure here carries documented health trade-offs.
ManausBrazil
BrazilAnnual Average
PoorWHO annual classification
31.4µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
2323 µg/m³ — Moderate
2626 µg/m³ — Poor
2828 µg/m³ — Poor
3131 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Jan
Feb
Mar
Apr
May
Jun
2323 µg/m³ — Moderate
2626 µg/m³ — Poor
2828 µg/m³ — Poor
3131 µg/m³ — Poor
3030 µg/m³ — Poor
2929 µg/m³ — Poor
Jul
Aug
Sep
Oct
Nov
Dec
3030 µg/m³ — Poor
3232 µg/m³ — Poor
3333 µg/m³ — Poor
3939 µg/m³ — Unhealthy
4242 µg/m³ — Unhealthy
3333 µg/m³ — Poor
Best months: Jan–MarWorst months: Sep–Nov
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 Manaus
Things to consider in Manaus
PM2.5 annual average of 31.4 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 Manaus?
Why not Manaus? Honestly, air quality is a meaningful downside — at 31.4 µg/m³ annual PM2.5, Manaus sits above the EU limit, which may matter for allergy sufferers or long-term residents.
Frequently asked about Manaus
▶How many sunny days does Manaus have per year?
Manaus averages approximately 205 sunny days per year, based on historical climate data.
▶What is the air quality in Manaus?
Manaus has an annual PM2.5 concentration of 31.4 µg/m³, classified as "Poor" by WHO standards. Significantly above WHO targets. Increased health risk, especially outdoors.