Air Quality
2.6/5
24.3 µg/m³Sensitive Groups
Air Quality Profile
Los Ángeles reports an annual PM2.5 of 24.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Los Ángeles
Chile
ChileAnnual Average
ModerateWHO annual classification
24.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
2323 µg/m³ — Moderate
3131 µg/m³ — Poor
3737 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
2323 µg/m³ — Moderate
3131 µg/m³ — Poor
3737 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4545 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Best months: Jan–Feb, NovWorst months: Jun–Aug
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Air Quality Profile
Los Ángeles reports an annual PM2.5 of 24.3 µg/m³. That's meaningfully above the WHO 2021 guideline of 5 µg/m³ yet within the EU annual limit of 25 µg/m³.
Los ÁngelesChile
ChileAnnual Average
ModerateWHO annual classification
24.3µg/m³
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PM2.5
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
2323 µg/m³ — Moderate
3131 µg/m³ — Poor
3737 µg/m³ — Unhealthy
4545 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Jan
Feb
Mar
Apr
May
Jun
1414 µg/m³ — Fair
1414 µg/m³ — Fair
1717 µg/m³ — Moderate
2323 µg/m³ — Moderate
3131 µg/m³ — Poor
3737 µg/m³ — Unhealthy
Jul
Aug
Sep
Oct
Nov
Dec
4545 µg/m³ — Unhealthy
4040 µg/m³ — Unhealthy
2424 µg/m³ — Moderate
1919 µg/m³ — Moderate
1313 µg/m³ — Fair
1616 µg/m³ — Moderate
Best months: Jan–Feb, NovWorst months: Jun–Aug
Fair10–15 µg/m³Moderate15–25 µg/m³Poor25–35 µg/m³Unhealthy35–50 µg/m³
Based on WUSTL PM2.5 dataset (2020–2024) · WHO 2021 thresholds
Confidence: ●●●
Who thrives in Los Ángeles
Things to consider in Los Ángeles
PM2.5 annual average of 24.3 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 Los Ángeles?
Why not Los Ángeles? Honestly, air quality could be better — Los Ángeles's 24.3 µg/m³ annual PM2.5 is above WHO guidelines, though still within ranges common for larger cities.
Frequently asked about Los Ángeles
▶How many sunny days does Los Ángeles have per year?
Los Ángeles averages approximately 255 sunny days per year, based on historical climate data.
▶What is the air quality in Los Ángeles?
Los Ángeles has an annual PM2.5 concentration of 24.3 µg/m³, classified as "Moderate" by WHO standards. Above WHO targets. Some respiratory effects possible with prolonged exposure.