Smog in San Pedro Sula — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: San Pedro Sula

Locations: Tegucigalpa » San Pedro Sula Choloma » La Ceiba » El Progreso »

Pollution and air quality forecast for San Pedro Sula. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for San Pedro Sula:

particulate matter (PM2.5) dust - 17 (Moderate)
particulate matter (PM10) suspended dust - 20 (Moderate)
ozone (O3) - 28 (Good)
nitrogen dioxide (NO2) - 17 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 729 (Good)

Real-time Air Quality Index (AQI) for San Pedro Sula, Wednesday, August 26, 2026: 2.

AQI 2 Moderate

What is the air quality in San Pedro Sula today? Is the air polluted in San Pedro Sula?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is moderate in San Pedro Sula. Some pollutants in San Pedro Sula may slightly affect very few hypersensitive individuals. Air pollutants in San Pedro Sula may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in San Pedro Sula? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 17 (Moderate) For comparison, the highest level of PM2.5 in San Pedro Sula in the last 7 days was: 18 (Thursday, August 20, 2026) and the lowest: 9 (Wednesday, August 26, 2026).

What is the level of PM10 today in San Pedro Sula? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Pedro Sula is: 20 (Moderate)

How is the O3 level today in San Pedro Sula? (ozone (O3))
28 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
17 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)

How high is the CO level? (carbon monoxide (CO))
729 (Good)

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

PM2,5 17 (Moderate)

PM10 20 (Moderate)

O3 28 (Good)

NO2 17 (Good)

SO2 2 (Good)

CO 729 (Good)

Data on air pollution from recent days in San Pedro Sula

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
pm25	9 Good	12 Good	15 Moderate	16 Moderate	9 Good	9 Good	18 Moderate	18 Moderate
pm10	10 Good	18 Good	24 Moderate	29 Moderate	12 Good	10 Good	27 Moderate	31 Moderate
o3	38 Good	41 Good	52 Good	44 Good	35 Good	45 Good	56 Good	48 Good
no2	10 Good	6 Good	6 Good	6 Good	6 Good	6 Good	5 Good	7 Good
so2	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good	2 Good
co	416 Good	391 Good	280 Good	294 Good	319 Good	310 Good	287 Good	375 Good

data source »

Quality of life in San Pedro Sula

Green and Parks in the City

San Pedro Sula 50%

Nicaragua: 43% El Salvador: 37% Belize: 52% Guatemala: 45% Costa Rica: 61%

Pleasure of spending time in the city

San Pedro Sula 28%

Nicaragua: 52% El Salvador: 40% Belize: 60% Guatemala: 45% Costa Rica: 62%

Air Pollution

San Pedro Sula 75%

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

Garbage Disposal

San Pedro Sula 6.3%

Nicaragua: 30% El Salvador: 33% Belize: 30% Guatemala: 30% Costa Rica: 50%

Availability and quality of drinking water

San Pedro Sula 28%

Nicaragua: 49% El Salvador: 41% Belize: 62% Guatemala: 39% Costa Rica: 83%

Cleanliness and tidiness

San Pedro Sula 9.4%

Nicaragua: 29% El Salvador: 29% Belize: 38% Guatemala: 34% Costa Rica: 46%

Noise and Light pollution

San Pedro Sula 59%

Nicaragua: 63% El Salvador: 57% Belize: 45% Guatemala: 56% Costa Rica: 47%

Water Pollution

San Pedro Sula 72%

Nicaragua: 73% El Salvador: 68% Belize: 64% Guatemala: 71% Costa Rica: 44%

Source: Numbeo

San Pedro Sula

Wednesday, August 26, 2026 at 7:00 PM

PM2,5 17 (Moderate)

particulate matter (PM2.5) dust

PM10 20 (Good)

particulate matter (PM10) suspended dust

O3 28 (Good)

ozone (O3)

NO2 17 (Good)

nitrogen dioxide (NO2)

SO2 2.2 (Good)

sulfur dioxide (SO2)

CO 729 (Good)

carbon monoxide (CO)

San Pedro Sula

index	2026-08-19	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26
pm25	18	18	8.5	8.8	16	15	12	8.8
pm10	31	27	10	12	29	24	18	10
o3	48	56	45	35	44	52	41	38
no2	7	5.1	6.4	5.8	5.5	5.6	6.4	9.6
so2	1.9	1.9	1.9	1.7	1.9	1.9	1.6	1.9
co	375	287	310	319	294	280	391	416

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

🌦️ Weather · 16-day Forecast — Honduras

16-day weather forecast for Honduras: today around 31°C (rain), lows near 18°C. Daily temperature and conditions, updated every day. A moderate breeze (about 15 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Honduras

The UV index in Honduras today is 9.3 (very high) — unprotected fair skin can burn in about 20 minutes.

📍 Air quality in nearby cities

Live PM2.5 around San Pedro Sula — compare nearby locations.

Tegucigalpa 7 µg/m³
Choloma 17 µg/m³
La Ceiba 13 µg/m³
El Progreso 17 µg/m³

Frequently asked questions

Is the air safe to breathe in San Pedro Sula today?

The current average PM2.5 across San Pedro Sula is about 17 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in San Pedro Sula?

Right now PM2.5 in San Pedro Sula averages about 17 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in San Pedro Sula?

Over the past week, the highest daily PM2.5 in San Pedro Sula was recorded on Wednesday, August 19 (about 18 µg/m³).

What is the UV index in San Pedro Sula today?

The UV index in San Pedro Sula today is 9.3 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in San Pedro Sula?

A moderate breeze (about 15 km/h) is partially dispersing pollutants today.

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.