Air Quality in San Cristóbal Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: San Cristóbal

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 San Cristóbal. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for San Cristóbal:

particulate matter (PM2.5) dust - 35 (Unhealthy for Sensitive Groups)
particulate matter (PM10) suspended dust - 52 (Unhealthy for Sensitive Groups)
ozone (O3) - 14 (Good)
nitrogen dioxide (NO2) - 49 (Moderate)
sulfur dioxide (SO2) - 10 (Good)
carbon monoxide (CO) - 335 (Good)

Real-time Air Quality Index (AQI) for San Cristóbal, Wednesday, August 26, 2026: 3.

AQI 3 Unhealthy for Sensitive Groups

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

Today (Wednesday, August 26, 2026) air quality is moderately polluted in San Cristóbal. Healthy people may experience slight irritations and sensitive persons will be slightly affected to a larger extent by the pollutions in San Cristóbal.

What is the current level of PM2.5 in San Cristóbal? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 35 (Unhealthy for Sensitive Groups) For comparison, the highest level of PM2.5 in San Cristóbal in the last 7 days was: 24 (Wednesday, August 26, 2026) and the lowest: 13 (Sunday, August 23, 2026).

What is the level of PM10 today in San Cristóbal? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in San Cristóbal is: 52 (Unhealthy for Sensitive Groups)

How is the O3 level today in San Cristóbal? (ozone (O3))
14 (Good)

How high is the level of NO2? (nitrogen dioxide (NO2))
49 (Moderate)

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

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

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

PM2,5 35 (Unhealthy for Sensitive Groups)

PM10 52 (Unhealthy for Sensitive Groups)

O3 14 (Good)

NO2 49 (Moderate)

SO2 10 (Good)

CO 335 (Good)

Data on air pollution from recent days in San Cristóbal

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	24 Moderate	16 Moderate	14 Moderate	13 Moderate	14 Moderate	24 Moderate	17 Moderate	16 Moderate
pm10	40 Moderate	22 Moderate	20 Moderate	24 Moderate	26 Moderate	47 Moderate	28 Moderate	24 Moderate
o3	52 Good	45 Good	40 Good	46 Good	48 Good	49 Good	52 Good	54 Good
no2	23 Good	20 Good	17 Good	10 Good	9 Good	21 Good	19 Good	17 Good
so2	10 Good	9 Good	10 Good	8 Good	6 Good	7 Good	9 Good	9 Good
co	198 Good	231 Good	205 Good	152 Good	154 Good	186 Good	256 Good	235 Good

data source »

San Cristóbal

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 35 (Unhealthy for Sensitive Groups)

particulate matter (PM2.5) dust

PM10 52 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

O3 14 (Good)

ozone (O3)

NO2 49 (Moderate)

nitrogen dioxide (NO2)

SO2 10 (Good)

sulfur dioxide (SO2)

CO 335 (Good)

carbon monoxide (CO)

San Cristóbal

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	16	17	24	14	13	14	16	24
pm10	24	28	47	26	24	20	22	40
o3	54	52	49	48	46	40	45	52
no2	17	19	21	8.8	9.6	17	20	23
so2	8.7	9.3	7.5	5.8	7.7	9.6	9	10
co	235	256	186	154	152	205	231	198

* 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 San Cristóbal — compare nearby locations.

Santo Domingo 35 µg/m³
Santiago de los Caballeros 15 µg/m³
San Pedro de Macorís 17 µg/m³
La Romana 17 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 San Cristóbal today?

The current average PM2.5 across San Cristóbal is about 35 µg/m³, rated “Unhealthy for Sensitive Groups”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.

What is the current PM2.5 level in San Cristóbal?

Right now PM2.5 in San Cristóbal averages about 35 µg/m³ (“Unhealthy for Sensitive Groups”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in San Cristóbal?

Over the past week, the highest daily PM2.5 in San Cristóbal was recorded on Friday, August 21 (about 24 µg/m³).

What is the UV index in San Cristóbal today?

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

Does today's wind help disperse smog in San Cristóbal?

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.