Air Quality in Santiago de los Caballeros Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Santiago de los Caballeros

Locations: Santo Domingo » Santiago de los Caballeros San Pedro de Macorís » La Romana » San Cristóbal » Puerto Plata » San Francisco de Macorís » Salvaleón de Higüey » Concepción de la Vega » Punta Cana »

Pollution and air quality forecast for Santiago de los Caballeros. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Santiago de los Caballeros:

particulate matter (PM2.5) dust - 15 (Moderate)
particulate matter (PM10) suspended dust - 30 (Moderate)
ozone (O3) - 29 (Good)
nitrogen dioxide (NO2) - 7 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 225 (Good)

Real-time Air Quality Index (AQI) for Santiago de los Caballeros, Wednesday, August 26, 2026: 2.

AQI 2 Moderate

What is the air quality in Santiago de los Caballeros today? Is the air polluted in Santiago de los Caballeros?. Is there smog?

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

What is the current level of PM2.5 in Santiago de los Caballeros? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 15 (Moderate) For comparison, the highest level of PM2.5 in Santiago de los Caballeros in the last 7 days was: 16 (Friday, August 21, 2026) and the lowest: 9 (Tuesday, August 25, 2026).

What is the level of PM10 today in Santiago de los Caballeros? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Santiago de los Caballeros is: 30 (Moderate)

How is the O3 level today in Santiago de los Caballeros? (ozone (O3))
29 (Good)

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

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

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

Current data Wednesday, August 26, 2026 at 9:00 PM

PM2,5 15 (Moderate)

PM10 30 (Moderate)

O3 29 (Good)

NO2 7 (Good)

SO2 2 (Good)

CO 225 (Good)

Data on air pollution from recent days in Santiago de los Caballeros

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	11 Good	9 Good	11 Good	9 Good	12 Good	16 Moderate	10 Good	11 Good
pm10	20 Moderate	14 Good	14 Good	15 Good	26 Moderate	40 Moderate	20 Moderate	19 Good
o3	41 Good	38 Good	40 Good	41 Good	38 Good	45 Good	48 Good	45 Good
no2	5 Good	5 Good	6 Good	4 Good	4 Good	5 Good	6 Good	7 Good
so2	2 Good	2 Good	2 Good	1 Good	1 Good	2 Good	3 Good	2 Good
co	162 Good	163 Good	151 Good	143 Good	154 Good	154 Good	170 Good	172 Good

data source »

Quality of life in Santiago de los Caballeros

Green and Parks in the City

Santiago de los Caballeros 58%

Haiti: 18% Turks and Caicos Islands: 25% Puerto Rico: 42% Virgin Islands: 68% British Virgin Islands: 38%

Pleasure of spending time in the city

Santiago de los Caballeros 45%

Haiti: 25% Puerto Rico: 60% Virgin Islands: 89% British Virgin Islands: 38%

Air Pollution

Santiago de los Caballeros 65%

Haiti: 78% Turks and Caicos Islands: 13% Puerto Rico: 35% Virgin Islands: 0%

Garbage Disposal

Santiago de los Caballeros 35%

Haiti: 6.3% Turks and Caicos Islands: 63% Puerto Rico: 62% Virgin Islands: 61% British Virgin Islands: 13%

Availability and quality of drinking water

Santiago de los Caballeros 50%

Haiti: 11% Turks and Caicos Islands: 63% Puerto Rico: 68% Virgin Islands: 75% British Virgin Islands: 75%

Cleanliness and tidiness

Santiago de los Caballeros 40%

Haiti: 7.1% Turks and Caicos Islands: 38% Puerto Rico: 46% Virgin Islands: 64% British Virgin Islands: 13%

Noise and Light pollution

Santiago de los Caballeros 53%

Haiti: 59% Turks and Caicos Islands: 63% Puerto Rico: 53% Virgin Islands: 14% British Virgin Islands: 75%

Water Pollution

Santiago de los Caballeros 67%

Haiti: 75% Puerto Rico: 53% Virgin Islands: 14% British Virgin Islands: 75%

Source: Numbeo

Santiago de los Caballeros

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 15 (Moderate)

particulate matter (PM2.5) dust

PM10 30 (Moderate)

particulate matter (PM10) suspended dust

O3 29 (Good)

ozone (O3)

NO2 6.6 (Good)

nitrogen dioxide (NO2)

SO2 2.3 (Good)

sulfur dioxide (SO2)

CO 225 (Good)

carbon monoxide (CO)

Santiago de los Caballeros

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	11	9.8	16	12	8.6	11	9.3	11
pm10	19	20	40	26	15	14	14	20
o3	45	48	45	38	41	40	38	41
no2	7.3	6.5	4.6	3.9	3.8	5.6	5.3	4.9
so2	1.8	2.7	1.6	1.3	1.3	2.4	2.1	2.2
co	172	170	154	154	143	151	163	162

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

🌦️ Weather · 16-day Forecast — Dominican Republic

16-day weather forecast for Dominican Republic: today around 28°C (rain), lows near 21°C. Daily temperature and conditions, updated every day. A moderate breeze (about 13 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Dominican Republic

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

📍 Air quality in nearby cities

Live PM2.5 around Santiago de los Caballeros — compare nearby locations.

Santo Domingo 35 µg/m³
San Pedro de Macorís 17 µg/m³
La Romana 17 µg/m³
San Cristóbal 35 µg/m³
Puerto Plata 15 µg/m³
San Francisco de Macorís 17 µg/m³
Salvaleón de Higüey 14 µg/m³
Concepción de la Vega 17 µg/m³

Frequently asked questions

Is the air safe to breathe in Santiago de los Caballeros today?

The current average PM2.5 across Santiago de los Caballeros is about 15 µg/m³, rated “Moderate”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Santiago de los Caballeros?

Right now PM2.5 in Santiago de los Caballeros averages about 15 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 Santiago de los Caballeros?

Over the past week, the highest daily PM2.5 in Santiago de los Caballeros was recorded on Friday, August 21 (about 16 µg/m³).

What is the UV index in Santiago de los Caballeros today?

The UV index in Santiago de los Caballeros today is 9.1 (very high) — unprotected fair skin can burn in about 20 minutes.

Does today's wind help disperse smog in Santiago de los Caballeros?

A moderate breeze (about 13 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.