City report · Primorye, Russia
Ussuriysk Air quality today
Air quality in Ussuriysk currently reads AQI 94 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 94
Moderate
- PM2.5, fine particles (µg/m³)
- 33.4
- tree cover
- 22.3%
- trees in this area
- 70.0K
- more trees needed
- 24.2K
Measured across a 2 km radius around Ussuriysk, Primorsky Krai, Russia (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ussuriysk · AQI 94 (Moderate)
Ussuriysk's tree count comes to 69,987 trees across 12.56 km² of land, 8 points below the 30% tree-cover level considered healthy for this area, so roughly 24,166 more trees would close the gap.
Air quality detail
Air quality in Ussuriysk today: AQI 94, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 02:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 225 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 225 km, e.g. Mudanjiang and Mudanjiang
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
33.4
PM10
14.7
NO₂
10.0
O₃
49.0
SO₂
4.9
CO
213.0
- 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 Ussuriysk's daily AQI at 52 on average, from 34 on Nov 9 to an hourly peak of 79 on Nov 5.
Where Ussuriysk stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ussuriysk: Below target
22.3% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
69,987
Target trees
94,153
More trees needed
24,166
CO₂ if planted / yr
531.7 t
Deforestation · 2001–2025
How much forest has Ussuriysk lost?
Since 2001, the area within 10 km of Ussuriysk has lost about 27 hectares of forest (about 37 football pitches): under 1% of the forest it had in 2000. The biggest cause was logging (48%), after which forest can grow back. About 8 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 27 haabout 37 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 8 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 8 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 | under 1 ha | 2 ha | 2 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | 2 ha | under 1 ha | 2 ha |
| 2006 | 1 ha | under 1 ha | 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | 6 ha | 6 ha |
| 2022 | 2 ha | under 1 ha | 2 ha |
| 2023 | 2 ha | 7 ha | 8 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | 2 ha | 2 ha |
What is causing deforestation around Ussuriysk?
- Loggingcan grow back48% · 13 ha
- Towns and roadscleared for good26% · 7 ha
- Mining and energycleared for good4.5% · 1 ha
Also: 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
- 4,660 ha
- Forest in 2020
- 4,770 ha
- Overall change
- +115 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ussuriysk grew from about 4,660 hectares to 4,770 hectares, a net gain of about 115 hectares (+2.5%). New forest grew on about 121 hectares, while 5 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
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Frequently asked
Questions about Ussuriysk
What is the air quality (AQI) in Ussuriysk right now?
The latest reading for Ussuriysk shows an AQI of 94 (Moderate), observed Nov 11, 02:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 225 km, 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 Ussuriysk today?
At AQI 94 (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 Ussuriysk been like this week?
Over the last 7 days, the CAMS air-quality model put Ussuriysk's daily AQI at 52 on average, from 34 on Nov 9 to an hourly peak of 79 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Ussuriysk lost since 2001?
Since 2001, the area within 10 km of Ussuriysk has lost about 27 hectares of forest (about 37 football pitches): under 1% of the forest it had in 2000. The biggest cause was logging (48%), after which forest can grow back. About 8 hectares (30%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Ussuriysk grew from about 4,660 hectares to 4,770 hectares, a net gain of about 115 hectares (+2.5%). New forest grew on about 121 hectares, while 5 hectares were lost.
What is the tree count in Ussuriysk?
Ussuriysk has an estimated 69,987 trees across the 12.56 km² of land measured — 22.3% tree cover, 8 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Ussuriysk need?
Ussuriysk needs roughly 24,166 more trees to close a 8-point shortfall against its 30% tree-cover target — about 531.7 t of extra CO₂ absorbed per year once grown.
How are Ussuriysk'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 Ussuriysk; the tree count is an estimate derived from that cover.
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