Air quality in Saint Petersburg today
The air in Saint Petersburg (Russia) now and over the next 48 hours: the US AQI and the European AQI, fine particles (PM2.5, PM10), ozone and nitrogen dioxide, compared with the WHO 2021 guidelines, with what it means for outdoor sport, children, older people and open windows.
These numbers are more than 7 hours old, so they are hidden. Open the live map for the current air. Open the air map centred on Saint Petersburg
AQI right now
Moderate. Main pollutant: Nitrogen dioxide (NO₂), 1× the WHO guideline.
What to do today
- Outdoor sport Fine for almost everyone; the very sensitive may shorten long hard sessions.
- Children, older people, asthma Unusually sensitive people: watch for coughing or shortness of breath.
- Windows Open; prefer airing when the AQI is lowest (see the hours below).
AQI in Saint Petersburg hour by hour, next 48 hours
- Good
- Moderate
- Unhealthy for sensitive groups
- Unhealthy
- Very unhealthy
- Hazardous
Cleanest hour in the next 24 h: Sun 21:00 (AQI 58). Worst hour: Sun 03:00 (AQI 61).
US AQI per hour, local time. Bars coloured by category.
Compared with the WHO 2021 guidelines
| Pollutant | Next 24 h | WHO guideline | Ratio |
|---|---|---|---|
| PM2.5 | 13 µg/m³ | 15 µg/m³ | within |
| PM10 | 17 µg/m³ | 45 µg/m³ | within |
| Nitrogen dioxide (NO₂) | 25 µg/m³ | 25 µg/m³ | 1× |
| Ozone (O₃) | 40 µg/m³ | 100 µg/m³ | within |
PM2.5, PM10 and NO₂: 24-hour mean of the forecast against the 24-hour guideline; ozone: highest 8-hour mean against the 8-hour guideline.
Forecast for Sun 03:00 local time · updated 2026-10-25 00:41 UTC
Air quality map around Saint Petersburg
Live PM2.5 field (NOAA GEFS-Aerosols): a different model, so it can disagree with the numbers above by a few units.
More about Saint Petersburg
Saint Petersburg: all live layers · UV index in Saint Petersburg today · Pollen in Saint Petersburg
Bad air alert for Saint Petersburg
Air quality alerts are part of LayEarth Pro: one push the evening before the forecast US AQI in your city goes above your level, so you can move a run, a school trip or an open window in time. 7-day free trial, then 9 USD a month.
Questions
- What is the AQI in Saint Petersburg right now?
- US AQI 61 (Moderate), European AQI 38; PM2.5 14 µg/m³ (Sun 03:00).
- Is it safe to exercise outdoors in Saint Petersburg today?
- Fine for almost everyone; the very sensitive may shorten long hard sessions.
- What is the main pollutant in Saint Petersburg?
- Nitrogen dioxide (NO₂), 1× the WHO guideline.
- Where do the numbers come from?
- The CAMS global air-quality forecast of the Copernicus Atmosphere Monitoring Service, read through Open-Meteo: a model on a ~40 km grid, not a monitoring station. Where a nearby monitor disagrees, the monitor is right.
Nearby cities
How it is computed
Hourly CAMS forecast (Copernicus) for the coordinates of Saint Petersburg via Open-Meteo; US AQI per the US EPA breakpoints, European AQI per the EEA bands, WHO 2021 air-quality guidelines. The page is rebuilt every 3 hours. Live map.