City report · St. Petersburg, Russia
Saint Petersburg Air quality today
Air quality in Saint Petersburg currently reads AQI 88 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 88
Moderate
- PM2.5, fine particles (µg/m³)
- 31.1
- tree cover
- 14.5%
- trees in this area
- 33.8K
- more trees needed
- 36.2K
Measured across a 2 km radius around Tsentralny District, St Petersburg, Russia (12.57 km²), from a satellite image of Sep 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Saint Petersburg · AQI 88 (Moderate)
Saint Petersburg's tree count comes to 33,846 trees across 9.34 km² of land, 16 points below the 30% tree-cover level considered healthy for this area, so roughly 36,180 more trees would close the gap.
Air quality detail
Air quality in Saint Petersburg today: AQI 88, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
31.1
PM10
37.3
NO₂
71.3
O₃
2.0
SO₂
27.1
CO
751.0
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Saint Petersburg's daily AQI at 43 on average, from 29 on Nov 8 to an hourly peak of 88 on Nov 11.
Where Saint Petersburg stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Saint Petersburg: Critically low
14.5% tree cover against a 30% healthy-neighborhood target, across 9.34 km² of land.
Trees in this area
33,846
Target trees
70,026
More trees needed
36,180
CO₂ if planted / yr
796.0 t
Deforestation · 2001–2025
How much forest has Saint Petersburg lost?
Since 2001, the area within 10 km of Saint Petersburg has lost about 324 hectares of forest (about 450 football pitches): 7.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km northwest of the city center.
- Forest lost since 2001
- 324 haabout 450 football pitches
- Share of its forest
- 7.8%of what there was in 2000
- Cleared for good
- 312 hadeforestation: turned into farms, mines or towns
The worst year was 2012, when about 36 hectares of forest were lost.
Saint Petersburg's full deforestation reportHectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 9 ha | under 1 ha | 9 ha |
| 2002 | 10 ha | under 1 ha | 10 ha |
| 2003 | 1 ha | under 1 ha | 1 ha |
| 2004 | 17 ha | under 1 ha | 18 ha |
| 2005 | 22 ha | under 1 ha | 23 ha |
| 2006 | 11 ha | under 1 ha | 12 ha |
| 2007 | 33 ha | under 1 ha | 34 ha |
| 2008 | 7 ha | under 1 ha | 7 ha |
| 2009 | 14 ha | under 1 ha | 14 ha |
| 2010 | 17 ha | 1 ha | 18 ha |
| 2011 | 16 ha | under 1 ha | 17 ha |
| 2012 | 35 ha | 1 ha | 36 ha |
| 2013 | 4 ha | under 1 ha | 5 ha |
| 2014 | 15 ha | under 1 ha | 16 ha |
| 2015 | 3 ha | under 1 ha | 3 ha |
| 2016 | 5 ha | under 1 ha | 6 ha |
| 2017 | 25 ha | under 1 ha | 26 ha |
| 2018 | 20 ha | under 1 ha | 20 ha |
| 2019 | 4 ha | under 1 ha | 4 ha |
| 2020 | 7 ha | under 1 ha | 7 ha |
| 2021 | 5 ha | under 1 ha | 6 ha |
| 2022 | 7 ha | under 1 ha | 8 ha |
| 2023 | 4 ha | under 1 ha | 4 ha |
| 2024 | 16 ha | under 1 ha | 16 ha |
| 2025 | 4 ha | 2 ha | 6 ha |
What is causing deforestation around Saint Petersburg?
- Towns and roadscleared for good95% · 308 ha
- Farms, pasture and plantationscleared for good1% · 3 ha
- Unknown causescause unknown3.7% · 12 ha
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 2,680 ha
- Forest in 2020
- 2,430 ha
- Overall change
- −245 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Saint Petersburg shrank from about 2,680 hectares to 2,430 hectares, a net loss of about 245 hectares (−9.2%). New forest grew on about 174 hectares, but 419 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
In the same region
Measured cities near Saint Petersburg
Same 2 km radius, same index — so they compare directly.
- Kolpino25.9 km
Russia
- Tree cover
- 41%
- Air quality
- 38
- Narva134.6 km
Estonia
- Tree cover
- 35%
- Air quality
- 37
- Velikiy Novgorod166.7 km
Russia
- Tree cover
- 42%
- Air quality
- 48
- Kohtla-Järve181.0 km
Estonia
- Tree cover
- 38%
- Air quality
- 71
- Pskov261.7 km
Russia
- Tree cover
- 41%
- Air quality
- 31
- Tartu268.0 km
Estonia
- Tree cover
- 41%
- Air quality
- 55
Also compared:Saint Petersburg vs MoscowSaint Petersburg vs NovosibirskSaint Petersburg vs YekaterinburgSaint Petersburg vs Nizhniy Novgorod
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Frequently asked
Questions about Saint Petersburg
What is the air quality (AQI) in Saint Petersburg right now?
The latest reading for Saint Petersburg shows an AQI of 88 (Moderate), observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Saint Petersburg today?
At AQI 88 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Saint Petersburg been like this week?
Over the last 7 days, the CAMS air-quality model put Saint Petersburg's daily AQI at 43 on average, from 29 on Nov 8 to an hourly peak of 88 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Saint Petersburg lost since 2001?
Since 2001, the area within 10 km of Saint Petersburg has lost about 324 hectares of forest (about 450 football pitches): 7.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Saint Petersburg shrank from about 2,680 hectares to 2,430 hectares, a net loss of about 245 hectares (−9.2%). New forest grew on about 174 hectares, but 419 hectares were lost.
What is the tree count in Saint Petersburg?
Saint Petersburg has an estimated 33,846 trees across the 9.34 km² of land measured — 14.5% tree cover, 16 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Saint Petersburg need?
Saint Petersburg needs roughly 36,180 more trees to close a 16-point shortfall against its 30% tree-cover target — about 796.0 t of extra CO₂ absorbed per year once grown.
How are Saint Petersburg's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around Tsentralny District; the tree count is an estimate derived from that cover.
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