Port-au-Prince: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Latest air quality data: Port-au-Prince
Pollution and air quality forecast for Port-au-Prince. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Port-au-Prince:
  1. particulate matter (PM2.5) dust - 60 (Unhealthy)
  2. particulate matter (PM10) suspended dust - 72 (Unhealthy for Sensitive Groups)
  3. ozone (O3) - 45 (Good)
  4. nitrogen dioxide (NO2) - 29 (Good)
  5. sulfur dioxide (SO2) - 5 (Good)
  6. carbon monoxide (CO) - 348 (Good)
Real-time Air Quality Index (AQI) for Port-au-Prince, Wednesday, August 26, 2026: 4.

air quality index: 3
AQI 4 Unhealthy

What is the air quality in Port-au-Prince today? Is the air polluted in Port-au-Prince?. Is there smog?

Today (Wednesday, August 26, 2026) air quality is poor in Port-au-Prince. Poor air quality in Port-au-Prince may cause breathing discomfort to people exposed and discomfort to people with heart disease. Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises in Port-au-Prince. Other residents should moderately reduce outdoor activities in Port-au-Prince.


What is the current level of PM2.5 in Port-au-Prince? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 60 (Unhealthy) For comparison, the highest level of PM2.5 in Port-au-Prince in the last 7 days was: 46 (Wednesday, August 26, 2026) and the lowest: 22 (Sunday, August 23, 2026).

What is the level of PM10 today in Port-au-Prince? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Port-au-Prince is: 72 (Unhealthy for Sensitive Groups)

How is the O3 level today in Port-au-Prince? (ozone (O3))
45 (Good)

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

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

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



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

PM2,5 60 (Unhealthy)

PM10 72 (Unhealthy for Sensitive Groups)

O3 45 (Good)

NO2 29 (Good)

SO2 5 (Good)

CO 348 (Good)

Data on air pollution from recent days in Port-au-Prince

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 46
Unhealthy for Sensitive Groups
35
Unhealthy for Sensitive Groups
27
Moderate
22
Moderate
28
Moderate
34
Moderate
30
Moderate
32
Moderate
pm10 58
Unhealthy for Sensitive Groups
42
Moderate
32
Moderate
28
Moderate
43
Moderate
57
Unhealthy for Sensitive Groups
38
Moderate
40
Moderate
o3 72
Moderate
63
Good
62
Good
75
Moderate
93
Moderate
81
Moderate
62
Good
98
Moderate
no2 22
Good
22
Good
14
Good
6
Good
8
Good
15
Good
17
Good
13
Good
so2 7
Good
7
Good
5
Good
5
Good
5
Good
6
Good
5
Good
7
Good
co 327
Good
320
Good
335
Good
306
Good
241
Good
315
Good
346
Good
326
Good
data source »

Quality of life in Port-au-Prince

Green and Parks in the City

Port-au-Prince 5%

Dominican Republic: 50% Turks and Caicos Islands: 25% Jamaica: 46% Puerto Rico: 42% Cuba: 53%

Pleasure of spending time in the city

Port-au-Prince 8.3%

Dominican Republic: 44% Jamaica: 42% Puerto Rico: 60% Cuba: 44%

Air Pollution

Port-au-Prince 92%

Dominican Republic: 61% Turks and Caicos Islands: 13% Jamaica: 54% Puerto Rico: 35% Cuba: 62%

Garbage Disposal

Port-au-Prince 0%

Dominican Republic: 31% Turks and Caicos Islands: 63% Jamaica: 29% Puerto Rico: 62% Cuba: 30%

Availability and quality of drinking water

Port-au-Prince 5%

Dominican Republic: 42% Turks and Caicos Islands: 63% Jamaica: 57% Puerto Rico: 68% Cuba: 44%

Cleanliness and tidiness

Port-au-Prince 0%

Dominican Republic: 31% Turks and Caicos Islands: 38% Jamaica: 27% Puerto Rico: 46% Cuba: 35%

Noise and Light pollution

Port-au-Prince 63%

Dominican Republic: 61% Turks and Caicos Islands: 63% Jamaica: 54% Puerto Rico: 53% Cuba: 47%

Water Pollution

Port-au-Prince 75%

Dominican Republic: 66% Jamaica: 63% Puerto Rico: 53% Cuba: 61%
Source: Numbeo


Port-au-Prince

Wednesday, August 26, 2026 at 9:00 PM

PM2,5 60 (Unhealthy)

particulate matter (PM2.5) dust

PM10 72 (Unhealthy for Sensitive Groups)

particulate matter (PM10) suspended dust

O3 45 (Good)

ozone (O3)

NO2 29 (Good)

nitrogen dioxide (NO2)

SO2 5.4 (Good)

sulfur dioxide (SO2)

CO 348 (Good)

carbon monoxide (CO)

Port-au-Prince

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 32 30 34 28 22 27 35 46
pm10 40 38 57 43 28 32 42 58
o3 98 62 81 93 75 62 63 72
no2 13 17 15 7.7 5.9 14 22 22
so2 6.6 5 5.9 5.2 4.6 5.4 6.6 6.7
co 326 346 315 241 306 335 320 327

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

🌦️ Weather · 16-day Forecast — Haiti

🌦️ WEATHER · 16-DAY FORECASTHaiti🌧️32°RainToday · ↑33° ↓23°💨 4 km/h · 💧 50%Mon24.08🌧️33°23°Tue25.08🌧️33°23°Wed26.08🌧️32°23°Thu27.08🌧️33°23°Fri28.08🌧️34°23°Sat29.08🌧️33°23°Sun30.08🌧️34°23°Mon31.08🌧️33°23°Tue1.09🌧️34°23°Wed2.09🌧️33°24°Thu3.09🌧️34°23°Fri4.09🌧️34°24°Sat5.09🌧️34°23°Sun6.09🌧️32°23°Mon7.09🌧️31°23°Tue8.09🌧️32°24°pollution-alert.com · August 27, 2026

16-day weather forecast for Haiti: today around 33°C (rain), lows near 23°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 — Haiti

☀️ UV INDEX · 16-DAY FORECASTHaiti03681111+8.7UV VERY HIGHtoday, day maxSPF 50, long sleeves and shade between 10:00-16:00.⏱ Unprotected fair skin can burn in about 25 min9Wed26.089Thu27.089Fri28.089Sat29.089Sun30.089Mon31.089Tue1.099Wed2.099Thu3.099Fri4.099Sat5.098Sun6.099Mon7.099Tue8.099Wed9.099Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Haiti today is 8.7 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Port-au-Prince — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Port-au-Prince today?
The current average PM2.5 across Port-au-Prince is about 60 µg/m³, rated “Unhealthy”. Sensitive groups should limit time outdoors and consider a mask; everyone should reduce prolonged exertion.
What is the current PM2.5 level in Port-au-Prince?
Right now PM2.5 in Port-au-Prince averages about 60 µg/m³ (“Unhealthy”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Port-au-Prince?
Over the past week, the highest daily PM2.5 in Port-au-Prince was recorded on Wednesday, August 26 (about 46 µg/m³).
What is the UV index in Port-au-Prince today?
The UV index in Port-au-Prince today is 8.7 (very high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Port-au-Prince?
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.