Smog in Saint Petersburg — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Saint Petersburg
Pollution and air quality forecast for St Petersburg. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for St Petersburg:
  1. particulate matter (PM2.5) dust - 13 (Moderate)
  2. particulate matter (PM10) suspended dust - 17 (Good)
  3. ozone (O3) - 4 (Good)
  4. nitrogen dioxide (NO2) - 38 (Good)
  5. sulfur dioxide (SO2) - 8 (Good)
  6. carbon monoxide (CO) - 273 (Good)
Real-time Air Quality Index (AQI) for St Petersburg, Thursday, August 27, 2026: 2.

air quality index: 1
AQI 2 Moderate

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

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


What is the current level of PM2.5 in St Petersburg? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 13 (Moderate) For comparison, the highest level of PM2.5 in St Petersburg in the last 7 days was: 18 (Wednesday, August 26, 2026) and the lowest: 5 (Sunday, August 23, 2026).

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

How is the O3 level today in St Petersburg? (ozone (O3))
4 (Good)

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

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

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



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

PM2,5 13 (Moderate)

PM10 17 (Good)

O3 4 (Good)

NO2 38 (Good)

SO2 8 (Good)

CO 273 (Good)

Data on air pollution from recent days in St Petersburg

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 17
Moderate
18
Moderate
11
Good
8
Good
5
Good
11
Good
11
Good
12
Good
pm10 23
Moderate
24
Moderate
15
Good
10
Good
7
Good
15
Good
15
Good
16
Good
o3 16
Good
18
Good
29
Good
28
Good
48
Good
34
Good
33
Good
29
Good
no2 45
Moderate
52
Moderate
36
Good
28
Good
20
Good
38
Good
42
Moderate
42
Moderate
so2 9
Good
9
Good
5
Good
3
Good
3
Good
6
Good
5
Good
6
Good
co 426
Good
478
Good
334
Good
284
Good
219
Good
309
Good
276
Good
311
Good
data source »

Quality of life in St Petersburg

Green and Parks in the City

St Petersburg 56%

Mongolia: 27% Kazakhstan: 58% China: 60% Kyrgyzstan: 66%

Pleasure of spending time in the city

St Petersburg 54%

Mongolia: 22% Kazakhstan: 39% North Korea: 44% China: 30% Kyrgyzstan: 38%

Air Pollution

St Petersburg 56%

Mongolia: 87% Kazakhstan: 77% North Korea: 44% China: 80% Kyrgyzstan: 78%

Garbage Disposal

St Petersburg 40%

Mongolia: 27% Kazakhstan: 39% North Korea: 47% China: 51% Kyrgyzstan: 42%

Availability and quality of drinking water

St Petersburg 55%

Mongolia: 46% Kazakhstan: 56% North Korea: 47% China: 45% Kyrgyzstan: 67%

Cleanliness and tidiness

St Petersburg 48%

Mongolia: 29% Kazakhstan: 47% North Korea: 58% China: 52% Kyrgyzstan: 43%

Noise and Light pollution

St Petersburg 53%

Mongolia: 48% Kazakhstan: 48% North Korea: 33% China: 56% Kyrgyzstan: 43%

Water Pollution

St Petersburg 54%

Mongolia: 68% Kazakhstan: 53% North Korea: 56% China: 64% Kyrgyzstan: 46%
Source: Numbeo


Saint Petersburg

Thursday, August 27, 2026 at 4:00 AM

PM2,5 13 (Good)

particulate matter (PM2.5) dust

PM10 17 (Good)

particulate matter (PM10) suspended dust

O3 4 (Good)

ozone (O3)

NO2 38 (Good)

nitrogen dioxide (NO2)

SO2 7.6 (Good)

sulfur dioxide (SO2)

CO 273 (Good)

carbon monoxide (CO)

Saint Petersburg

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 12 11 11 5.1 8 11 18 17
pm10 16 15 15 7.4 10 15 24 23
o3 29 33 34 48 28 29 18 16
no2 42 42 38 20 28 36 52 45
so2 6.2 5.1 6.4 2.8 3 5 9.2 8.8
co 311 276 309 219 284 334 478 426

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

🌦️ Weather · 16-day Forecast — Russia

🌦️ WEATHER · 16-DAY FORECASTRussia🌤️19°Partly cloudyToday · ↑21° ↓8°💨 4 km/h · 💧 34%Tue25.08🌤️21°Wed26.08🌤️22°10°Thu27.08🌤️22°11°Fri28.08☀️22°10°Sat29.08🌧️15°10°Sun30.08🌧️20°Mon31.08🌧️20°12°Tue1.09🌧️13°Wed2.09🌧️12°Thu3.09☁️12°Fri4.09🌧️12°Sat5.09🌧️Sun6.09🌧️Mon7.09🌧️12°Tue8.09☁️17°Wed9.09☁️18°pollution-alert.com · August 27, 2026

16-day weather forecast for Russia: today around 21°C (partly cloudy), lows near 8°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 — Russia

☀️ UV INDEX · 16-DAY FORECASTRussia03681111+4.4UV MODERATEtoday, day maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.⏱ Unprotected fair skin can burn in about 45 min4Wed26.084Thu27.084Fri28.084Sat29.084Sun30.083Mon31.082Tue1.093Wed2.094Thu3.094Fri4.094Sat5.091Sun6.093Mon7.092Tue8.093Wed9.094Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Russia today is 4.4 (moderate) — unprotected fair skin can burn in about 45 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Saint Petersburg — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in St Petersburg today?
The current average PM2.5 across St Petersburg is about 13 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in St Petersburg?
Right now PM2.5 in St Petersburg averages about 13 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in St Petersburg?
Over the past week, the highest daily PM2.5 in St Petersburg was recorded on Wednesday, August 26 (about 18 µg/m³).
What is the UV index in St Petersburg today?
The UV index in St Petersburg today is 4.4 (moderate) — unprotected fair skin can burn in about 45 minutes.
Does today's wind help disperse smog in St Petersburg?
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.