El Salvador: Air Quality Today — AQI Index, Smog, Pollen, UV and City Forecasts

Locations

San Salvador

13 PM2.5 µg/m³

Good

PM10 14 NO₂ 16 O₃ 52

Santa Ana

9.1 PM2.5 µg/m³

Good

PM10 9.3 NO₂ 11 O₃ 42

San Miguel

8.1 PM2.5 µg/m³

Good

PM10 9.8 NO₂ 4.1 O₃ 72

Apopa

6.8 PM2.5 µg/m³

Good

PM10 6.9 NO₂ 9.3 O₃ 45

Current data Wednesday, August 26, 2026 at 7:00 PM

PM2,5 9 (Good)

PM10 10 (Good)

O3 53 (Good)

NO2 10 (Good)

SO2 2 (Good)

CO 322 (Good)

index	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20	2026-08-19
PM2,5	8 Good	10 Good	12 Good	10 Good	8 Good	10 Good	18 Moderate	14 Moderate
PM10	8 Good	13 Good	16 Good	14 Good	9 Good	12 Good	26 Moderate	21 Moderate
O3	48 Good	52 Good	63 Good	51 Good	53 Good	62 Good	59 Good	51 Good
NO2	8 Good	8 Good	7 Good	6 Good	6 Good	7 Good	9 Good	9 Good
SO2	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good
CO	227 Good	271 Good	232 Good	203 Good	205 Good	287 Good	372 Good	288 Good

data source »

Quality of life in El Salvador

Green and Parks in the City

El Salvador 37%

Guatemala: 45% Honduras: 41% Belize: 52% Nicaragua: 43% Costa Rica: 61%

Pleasure of spending time in the city

El Salvador 40%

Guatemala: 45% Honduras: 41% Belize: 60% Nicaragua: 52% Costa Rica: 62%

Air Pollution

El Salvador 65%

Guatemala: 64% Honduras: 65% Belize: 43% Nicaragua: 39% Costa Rica: 36%

Garbage Disposal

El Salvador 33%

Guatemala: 30% Honduras: 22% Belize: 30% Nicaragua: 30% Costa Rica: 50%

Availability and quality of drinking water

El Salvador 41%

Guatemala: 39% Honduras: 44% Belize: 62% Nicaragua: 49% Costa Rica: 83%

Cleanliness and tidiness

El Salvador 29%

Guatemala: 34% Honduras: 20% Belize: 38% Nicaragua: 29% Costa Rica: 46%

Noise and Light pollution

El Salvador 57%

Guatemala: 56% Honduras: 49% Belize: 45% Nicaragua: 63% Costa Rica: 47%

Water Pollution

El Salvador 68%

Guatemala: 71% Honduras: 72% Belize: 64% Nicaragua: 73% Costa Rica: 44%

Source: Numbeo

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in El Salvador today?

The current average PM2.5 across El Salvador is about 9 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in El Salvador?

Right now PM2.5 in El Salvador averages about 9 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in El Salvador have the best and worst air quality now?

San Salvador currently has the highest PM2.5 (13 µg/m³), while Apopa has the cleanest air (7 µg/m³).

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.

☀️ UV Index · 16-day Forecast — El Salvador

The UV index in El Salvador today is 9.1 (very high) — unprotected fair skin can burn in about 20 minutes.

🌦️ Weather · 16-day Forecast — El Salvador

16-day weather forecast for El Salvador: today around 33°C (rain), lows near 20°C. Daily temperature and conditions, updated every day.