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

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Latest air quality data: Sofia

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Pollution and air quality forecast for Sofia. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Sofia:

particulate matter (PM2.5) dust - 14 (Moderate)
particulate matter (PM10) suspended dust - 17 (Good)
ozone (O3) - 57 (Good)
nitrogen dioxide (NO2) - 6 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 148 (Good)

Real-time Air Quality Index (AQI) for Sofia, Thursday, August 27, 2026: 2.

AQI 2 Moderate

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

Today (Thursday, August 27, 2026) air quality is moderate in Sofia. Some pollutants in Sofia may slightly affect very few hypersensitive individuals. Air pollutants in Sofia may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Sofia? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 14 (Moderate) For comparison, the highest level of PM2.5 in Sofia in the last 7 days was: 15 (Thursday, August 27, 2026) and the lowest: 10 (Friday, August 21, 2026).

What is the level of PM10 today in Sofia? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Sofia is: 17 (Good)

How is the O3 level today in Sofia? (ozone (O3))
57 (Good)

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

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

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

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

PM2,5 14 (Moderate)

PM10 17 (Good)

O3 57 (Good)

NO2 6 (Good)

SO2 3 (Good)

CO 148 (Good)

Data on air pollution from recent days in Sofia

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
pm25	15 Moderate	11 Good	13 Moderate	11 Good	13 Moderate	12 Good	10 Good	10 Good
pm10	19 Good	17 Good	17 Good	16 Good	18 Good	16 Good	15 Good	14 Good
o3	78 Moderate	71 Moderate	70 Moderate	74 Moderate	77 Moderate	82 Moderate	81 Moderate	79 Moderate
no2	7 Good	8 Good	10 Good	8 Good	5 Good	5 Good	7 Good	8 Good
so2	5 Good	2 Good	2 Good	2 Good	3 Good	4 Good	2 Good	2 Good
co	157 Good	158 Good	170 Good	164 Good	156 Good	156 Good	162 Good	169 Good

data source »

Quality of life in Sofia

Green and Parks in the City

Sofia 63%

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

particulate matter PM2.5

Sofia 25 (Moderate)

Pleasure of spending time in the city

Sofia 45%

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

particulate matter PM10

Sofia 34 (Moderate)

Air Pollution

Sofia 77%

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

Garbage Disposal

Sofia 42%

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

Availability and quality of drinking water

Sofia 73%

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

Cleanliness and tidiness

Sofia 38%

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

Noise and Light pollution

Sofia 54%

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

Water Pollution

Sofia 39%

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

Source: Numbeo

Sofia

Thursday, August 27, 2026 at 4:00 AM

PM2,5 14 (Moderate)

particulate matter (PM2.5) dust

PM10 17 (Good)

particulate matter (PM10) suspended dust

O3 57 (Good)

ozone (O3)

NO2 5.5 (Good)

nitrogen dioxide (NO2)

SO2 2.6 (Good)

sulfur dioxide (SO2)

CO 148 (Good)

carbon monoxide (CO)

Sofia

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	10	10	12	13	11	13	11	15
pm10	14	15	16	18	16	17	17	19
o3	79	81	82	77	74	70	71	78
no2	8.4	7.1	5.1	4.5	8	10	8.1	7.2
so2	2.2	1.7	3.6	2.8	2	1.6	1.9	4.7
co	169	162	156	156	164	170	158	157

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

🌦️ Weather · 16-day Forecast — Sofia

16-day weather forecast for Sofia: today around 31°C (rain), lows near 17°C. Daily temperature and conditions, updated every day. Strong wind (about 20 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Sofia

The UV index in Sofia today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Sofia — compare nearby locations.

Plovdiv 12 µg/m³
Varna 9 µg/m³
Burgas 9 µg/m³
Rousse 7 µg/m³
Stara Zagora 11 µg/m³
Pleven 10 µg/m³

Frequently asked questions

Is the air safe to breathe in Sofia today?

The current average PM2.5 across Sofia 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 Sofia?

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

Which day last week had the worst air in Sofia?

Over the past week, the highest daily PM2.5 in Sofia was recorded on Thursday, August 27 (about 15 µg/m³).

What is the UV index in Sofia today?

The UV index in Sofia today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Sofia?

Strong wind (about 20 km/h) is actively clearing smog and dust away.

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.