City report · Moscow Oblast, Russia
Sergiyev Posad Air quality today
Air quality in Sergiyev Posad currently reads AQI 17 (Good): Air quality is satisfactory for everyone.
AQI 17
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 3.7
- tree cover
- 52.1%
- trees in this area
- 163K
- more trees needed
- 0
Measured across a 2 km radius around Sergiyev Posad, Moscow Oblast, Russia (12.57 km²), from a satellite image of Sep 10, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Sergiyev Posad · AQI 17 (Good)
Sergiyev Posad's tree count comes to 163,186 trees across 12.53 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Sergiyev Posad today: AQI 17, Good
Main pollutant: PM2.5 · Observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 105 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 4 station cities within 105 km, e.g. Khimki and Moscow
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.7
PM10
11.8
NO₂
26.1
O₃
34.0
SO₂
8.9
CO
178.0
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Sergiyev Posad's daily AQI at 20 on average, from 11 on Nov 6 to an hourly peak of 52 on Nov 10.
Where Sergiyev Posad stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sergiyev Posad: Healthy tree cover
52.1% tree cover against a 30% healthy-neighborhood target, across 12.53 km² of land.
Trees in this area
163,186
Target trees
163,186
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Sergiyev Posad lost?
Since 2001, the area within 10 km of Sergiyev Posad has lost about 586 hectares of forest (about 820 football pitches): 3.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 249 hectares (43%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area about 4 km northwest of the city center.
- Forest lost since 2001
- 586 haabout 820 football pitches
- Share of its forest
- 3.6%of what there was in 2000
- Cleared for good
- 249 hadeforestation: turned into farms, mines or towns
The worst year was 2014, when about 54 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 10 ha | 12 ha | 21 ha |
| 2002 | 3 ha | 22 ha | 26 ha |
| 2003 | 1 ha | 15 ha | 16 ha |
| 2004 | 4 ha | 21 ha | 25 ha |
| 2005 | 4 ha | 21 ha | 25 ha |
| 2006 | 3 ha | 13 ha | 15 ha |
| 2007 | 12 ha | 20 ha | 31 ha |
| 2008 | 4 ha | 6 ha | 10 ha |
| 2009 | 2 ha | 4 ha | 6 ha |
| 2010 | 15 ha | 6 ha | 20 ha |
| 2011 | 11 ha | 2 ha | 13 ha |
| 2012 | 10 ha | 27 ha | 37 ha |
| 2013 | 7 ha | 27 ha | 34 ha |
| 2014 | 27 ha | 27 ha | 54 ha |
| 2015 | 10 ha | 32 ha | 41 ha |
| 2016 | 10 ha | 23 ha | 33 ha |
| 2017 | 7 ha | 9 ha | 16 ha |
| 2018 | 12 ha | 5 ha | 17 ha |
| 2019 | 30 ha | 4 ha | 34 ha |
| 2020 | 15 ha | 23 ha | 37 ha |
| 2021 | 12 ha | 9 ha | 21 ha |
| 2022 | 16 ha | 2 ha | 18 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | 13 ha | 4 ha | 17 ha |
| 2025 | 13 ha | 4 ha | 17 ha |
What is causing deforestation around Sergiyev Posad?
- Loggingcan grow back53% · 313 ha
- Towns and roadscleared for good31% · 182 ha
- Mining and energycleared for good11% · 65 ha
Also: farms, pasture and plantations, unknown causes.
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
- 15,800 ha
- Forest in 2020
- 15,800 ha
- Overall change
- −22 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Sergiyev Posad stayed about the same size, at about 15,800 hectares: new forest grew on about 434 hectares, and about 456 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 Sergiyev Posad
Same 2 km radius, same index — so they compare directly.
- Pushkino40.2 km
Russia
- Tree cover
- 66%
- Air quality
- 28
- Shchyolkovo44.3 km
Russia
- Tree cover
- 42%
- Air quality
- 24
- Mytishchi51.3 km
Russia
- Tree cover
- 37%
- Air quality
- 53
- Noginsk53.3 km
Russia
- Tree cover
- 51%
- Air quality
- 16
- Balashikha58.7 km
Russia
- Tree cover
- 60%
- Air quality
- 45
- Elektrostal’61.7 km
Russia
- Tree cover
- 39%
- Air quality
- 32
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Frequently asked
Questions about Sergiyev Posad
What is the air quality (AQI) in Sergiyev Posad right now?
The latest reading for Sergiyev Posad shows an AQI of 17 (Good), observed Nov 11, 07:00 local time via Open-Meteo / CAMS, corrected with 4 ground-station cities within 105 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Sergiyev Posad today?
At AQI 17 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Sergiyev Posad been like this week?
Over the last 7 days, the CAMS air-quality model put Sergiyev Posad's daily AQI at 20 on average, from 11 on Nov 6 to an hourly peak of 52 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Sergiyev Posad lost since 2001?
Since 2001, the area within 10 km of Sergiyev Posad has lost about 586 hectares of forest (about 820 football pitches): 3.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 249 hectares (43%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Sergiyev Posad stayed about the same size, at about 15,800 hectares: new forest grew on about 434 hectares, and about 456 hectares were lost.
What is the tree count in Sergiyev Posad?
Sergiyev Posad has an estimated 163,186 trees across the 12.53 km² of land measured — 52.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Sergiyev Posad need?
Sergiyev Posad has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Sergiyev Posad'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 Sergiyev Posad; the tree count is an estimate derived from that cover.
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