Bulgaria: Air Quality Today — AQI Index, Smog, Pollen, UV and City Forecasts

2 weather warnings in effect for Bulgaria ⛈️ Thunderstorms🌧️ Heavy rain

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

Locations

Sofia

14 PM2.5 µg/m³

Moderate

PM10 17 NO₂ 5.5 O₃ 57

Plovdiv

12 PM2.5 µg/m³

Good

PM10 18 NO₂ 8.8 O₃ 43

Varna

8.8 PM2.5 µg/m³

Good

PM10 15 NO₂ 2.8 O₃ 70

Burgas

8.5 PM2.5 µg/m³

Good

PM10 14 NO₂ 7.1 O₃ 55

Rousse

7.4 PM2.5 µg/m³

Good

PM10 12 NO₂ 7.4 O₃ 41

Stara Zagora

11 PM2.5 µg/m³

Good

PM10 14 NO₂ 5.3 O₃ 44

Pleven

9.8 PM2.5 µg/m³

Good

PM10 13 NO₂ 5.3 O₃ 53

Current data Thursday, August 27, 2026 at 4:00 AM

PM2,5 10 (Good)

PM10 15 (Good)

O3 52 (Good)

NO2 6 (Good)

SO2 1 (Good)

CO 163 (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	8 Good	7 Good	8 Good	9 Good	7 Good	7 Good	8 Good
PM10	15 Good	13 Good	11 Good	12 Good	14 Good	11 Good	10 Good	12 Good
O3	78 Moderate	81 Moderate	78 Moderate	76 Moderate	75 Moderate	80 Moderate	81 Moderate	82 Moderate
NO2	5 Good	4 Good	4 Good	4 Good	3 Good	3 Good	4 Good	5 Good
SO2	2 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good	1 Good
CO	162 Good	157 Good	153 Good	154 Good	156 Good	149 Good	151 Good	165 Good

data source »

Quality of life in Bulgaria

Green and Parks in the City

Bulgaria 66%

Macedonia: 34% Romania: 53% Serbia: 55% Albania: 37% Greece: 35%

Pleasure of spending time in the city

Bulgaria 50%

Macedonia: 29% Romania: 55% Serbia: 53% Albania: 40% Greece: 63%

Air Pollution

Bulgaria 68%

Macedonia: 80% Romania: 57% Serbia: 65% Albania: 69% Greece: 47%

Garbage Disposal

Bulgaria 44%

Macedonia: 29% Romania: 45% Serbia: 39% Albania: 33% Greece: 40%

Availability and quality of drinking water

Bulgaria 70%

Macedonia: 58% Romania: 62% Serbia: 64% Albania: 33% Greece: 75%

Cleanliness and tidiness

Bulgaria 42%

Macedonia: 26% Romania: 48% Serbia: 37% Albania: 36% Greece: 40%

Noise and Light pollution

Bulgaria 51%

Macedonia: 54% Romania: 46% Serbia: 51% Albania: 53% Greece: 47%

Water Pollution

Bulgaria 41%

Macedonia: 51% Romania: 46% Serbia: 52% Albania: 68% Greece: 35%

Source: Numbeo

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

Frequently asked questions

Is the air safe to breathe in Bulgaria today?

The current average PM2.5 across Bulgaria is about 10 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Bulgaria?

Right now PM2.5 in Bulgaria averages about 10 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

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

Sofia currently has the highest PM2.5 (14 µg/m³), while Rousse has the cleanest air (7 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 — Bulgaria

The UV index in Bulgaria today is 6.6 (high) — unprotected fair skin can burn in about 30 minutes.

🌿 Pollen · Forecast — Bulgaria

Today the strongest pollen in Bulgaria is Ragweed (9 grains/m³, low concentration).

🌦️ Weather · 16-day Forecast — Bulgaria

16-day weather forecast for Bulgaria: today around 26°C (clear sky), lows near 12°C. Daily temperature and conditions, updated every day.