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

2 weather warnings in effect for Slovenia 🌡️ Extreme heat⛈️ Thunderstorms

📍 Locations The latest data Last 7 days Quality of life ☀️ UV Index 🌿 Pollen 🌦️ Weather ❓ FAQ

Locations

Ljubljana

12 PM2.5 µg/m³

Good

PM10 16 NO₂ 13 O₃ 39

Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 12 (Good)

PM10 16 (Good)

O3 39 (Good)

NO2 13 (Good)

SO2 1 (Good)

CO 184 (Good)

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
PM2,5	11 Good	12 Good	12 Good	8 Good	5 Good	5 Good	7 Good	9 Good
PM10	17 Good	15 Good	16 Good	12 Good	7 Good	6 Good	8 Good	13 Good
O3	69 Good	64 Good	63 Good	64 Good	57 Good	59 Good	69 Good	79 Moderate
NO2	8 Good	12 Good	11 Good	6 Good	4 Good	5 Good	7 Good	6 Good
SO2	1 Good	1 Good	2 Good	2 Good	0 Good	0 Good	0 Good	0 Good
CO	167 Good	171 Good	167 Good	159 Good	154 Good	149 Good	149 Good	159 Good

data source »

Quality of life in Slovenia

Green and Parks in the City

Slovenia 87%

Croatia: 73% Austria: 78% San Marino: 75% Bosnia and Herzegovina: 54% Hungary: 59%

Pleasure of spending time in the city

Slovenia 88%

Croatia: 81% Austria: 84% San Marino: 100% Bosnia and Herzegovina: 53% Hungary: 65%

Air Pollution

Slovenia 26%

Croatia: 29% Austria: 21% San Marino: 6.8% Bosnia and Herzegovina: 62% Hungary: 49%

Garbage Disposal

Slovenia 87%

Croatia: 58% Austria: 84% Bosnia and Herzegovina: 49% Hungary: 65%

Availability and quality of drinking water

Slovenia 96%

Croatia: 86% Austria: 91% San Marino: 100% Bosnia and Herzegovina: 71% Hungary: 80%

Cleanliness and tidiness

Slovenia 87%

Croatia: 68% Austria: 82% San Marino: 75% Bosnia and Herzegovina: 50% Hungary: 52%

Noise and Light pollution

Slovenia 37%

Croatia: 34% Austria: 34% San Marino: 75% Bosnia and Herzegovina: 38% Hungary: 45%

Water Pollution

Slovenia 17%

Croatia: 25% Austria: 14% San Marino: 0% Bosnia and Herzegovina: 45% Hungary: 30%

Source: Numbeo

* Pollution data source: https://openaq.org (EEA Austria, Slovenian Environment Agency) The data is licensed under CC-By 4.0

Frequently asked questions

Is the air safe to breathe in Slovenia today?

The current average PM2.5 across Slovenia is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Slovenia?

Right now PM2.5 in Slovenia averages about 12 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

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 — Slovenia

The UV index in Slovenia today is 6.1 (high) — unprotected fair skin can burn in about 35 minutes.

🌿 Pollen · Forecast — Slovenia

Today the strongest pollen in Slovenia is Ragweed (6 grains/m³, low concentration).

🌦️ Weather · 16-day Forecast — Slovenia

16-day weather forecast for Slovenia: today around 28°C (clear sky), lows near 13°C. Daily temperature and conditions, updated every day.