Smog in Puerto Rico Today — Live Data: City AQI, PM2.5 & PM10, Weather Warnings and Forecast

Locations

San Juan

14 PM2.5 µg/m³

Moderate

PM10 30 NO₂ 0.7 O₃ 35

Carolina

14 PM2.5 µg/m³

Moderate

PM10 30 NO₂ 0.7 O₃ 35

Ponce

15 PM2.5 µg/m³

Moderate

PM10 32 NO₂ 0.9 O₃ 30

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

PM2,5 14 (Moderate)

PM10 31 (Moderate)

O3 33 (Good)

NO2 1 (Good)

SO2 1 (Good)

CO 95 (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	14 Moderate	7 Good	7 Good	7 Good	6 Good	13 Moderate	12 Good	3 Good
PM10	36 Moderate	15 Good	15 Good	13 Good	17 Good	36 Moderate	33 Moderate	6 Good
O3	36 Good	31 Good	33 Good	35 Good	43 Good	43 Good	37 Good	37 Good
NO2	1 Good	1 Good	1 Good	1 Good	0 Good	0 Good	1 Good	1 Good
SO2	1 Good	1 Good	1 Good	1 Good	0 Good	0 Good	1 Good	2 Good
CO	94 Good	96 Good	95 Good	91 Good	91 Good	90 Good	91 Good	94 Good

data source »

Quality of life in Puerto Rico

Green and Parks in the City

Puerto Rico 42%

Virgin Islands: 68% British Virgin Islands: 38%

Pleasure of spending time in the city

Puerto Rico 60%

Virgin Islands: 89% British Virgin Islands: 38%

Air Pollution

Puerto Rico 35%

Virgin Islands: 0%

Garbage Disposal

Puerto Rico 62%

Virgin Islands: 61% British Virgin Islands: 13%

Availability and quality of drinking water

Puerto Rico 68%

Virgin Islands: 75% British Virgin Islands: 75%

Cleanliness and tidiness

Puerto Rico 46%

Virgin Islands: 64% British Virgin Islands: 13%

Noise and Light pollution

Puerto Rico 53%

Virgin Islands: 14% British Virgin Islands: 75%

Water Pollution

Puerto Rico 53%

Virgin Islands: 14% British Virgin Islands: 75%

Source: Numbeo

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

Frequently asked questions

Is the air safe to breathe in Puerto Rico today?

The current average PM2.5 across Puerto Rico is about 14 µg/m³, rated “Moderate”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Puerto Rico?

Right now PM2.5 in Puerto Rico averages about 14 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which cities in Puerto Rico have the best and worst air quality now?

Ponce currently has the highest PM2.5 (15 µg/m³), while Carolina has the cleanest air (14 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 — Puerto Rico

The UV index in Puerto Rico today is 9.2 (very high) — unprotected fair skin can burn in about 20 minutes.

🌦️ Weather · 16-day Forecast — Puerto Rico

16-day weather forecast for Puerto Rico: today around 27°C (rain), lows near 21°C. Daily temperature and conditions, updated every day.