City report · Ukraine
Sumy Air quality today
Air quality in Sumy currently reads AQI 59 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 59
Moderate
- PM2.5, fine particles (µg/m³)
- 13.6
- tree cover
- 38.3%
- trees in this area
- 119K
- more trees needed
- 0
Measured across a 2 km radius around Kovpakivs'kyi District, Sumy, Sumy Oblast, Ukraine, 40000 (12.57 km²), from a satellite image of Sep 20, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Sumy · AQI 59 (Moderate)
Sumy's tree count comes to 119,240 trees across 12.46 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Sumy today: AQI 59, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 01:00 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
13.6
PM10
16.1
NO₂
5.0
O₃
47.0
SO₂
5.0
CO
260.0
- 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 Sumy's daily AQI at 32 on average, from 16 on Nov 5 to an hourly peak of 59 on Nov 11.
Where Sumy stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sumy: Healthy tree cover
38.3% tree cover against a 30% healthy-neighborhood target, across 12.46 km² of land.
Trees in this area
119,240
Target trees
119,240
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Sumy lost?
Since 2001, the area within 10 km of Sumy has lost about 128 hectares of forest (about 180 football pitches): 1.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 23 hectares (18%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 128 haabout 180 football pitches
- Share of its forest
- 1.9%of what there was in 2000
- Cleared for good
- 23 hadeforestation: turned into farms, mines or towns
The worst year was 2018, when about 28 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 | 1 ha | 3 ha | 4 ha |
| 2002 | under 1 ha | 8 ha | 9 ha |
| 2003 | under 1 ha | 6 ha | 6 ha |
| 2004 | under 1 ha | 5 ha | 6 ha |
| 2005 | under 1 ha | 3 ha | 3 ha |
| 2006 | under 1 ha | 6 ha | 6 ha |
| 2007 | under 1 ha | 2 ha | 2 ha |
| 2008 | under 1 ha | 4 ha | 4 ha |
| 2009 | under 1 ha | 11 ha | 12 ha |
| 2010 | under 1 ha | 5 ha | 6 ha |
| 2011 | under 1 ha | 4 ha | 5 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | 3 ha | 3 ha |
| 2014 | under 1 ha | 6 ha | 6 ha |
| 2015 | under 1 ha | under 1 ha | 1 ha |
| 2016 | 2 ha | 1 ha | 3 ha |
| 2017 | 1 ha | 2 ha | 4 ha |
| 2018 | 5 ha | 22 ha | 28 ha |
| 2019 | 1 ha | under 1 ha | 2 ha |
| 2020 | 2 ha | 1 ha | 3 ha |
| 2021 | under 1 ha | 2 ha | 3 ha |
| 2022 | under 1 ha | 2 ha | 3 ha |
| 2023 | 4 ha | under 1 ha | 4 ha |
| 2024 | under 1 ha | under 1 ha | 2 ha |
| 2025 | under 1 ha | 6 ha | 6 ha |
What is causing deforestation around Sumy?
- Loggingcan grow back71% · 91 ha
- Towns and roadscleared for good18% · 24 ha
- Unknown causescause unknown10% · 13 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
- 7,560 ha
- Forest in 2020
- 7,940 ha
- Overall change
- +378 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Sumy grew from about 7,560 hectares to 7,940 hectares, a net gain of about 378 hectares (+5%). New forest grew on about 436 hectares, while 58 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 Sumy
Same 2 km radius, same index — so they compare directly.
- Belgorod130.1 km
Russia
- Tree cover
- 27%
- Air quality
- 57
- Kursk131.8 km
Russia
- Tree cover
- 43%
- Air quality
- 49
- Kharkiv146.4 km
Ukraine
- Tree cover
- 28%
- Air quality
- 55
- Poltava148.7 km
Ukraine
- Tree cover
- 57%
- Air quality
- 42
- Staryy Oskol217.0 km
Russia
- Tree cover
- 55%
- Air quality
- 66
- Kremenchuk229.1 km
Ukraine
- Tree cover
- 44%
- Air quality
- 27
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Frequently asked
Questions about Sumy
What is the air quality (AQI) in Sumy right now?
The latest reading for Sumy shows an AQI of 59 (Moderate), observed Nov 11, 01:00 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 Sumy today?
At AQI 59 (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 Sumy been like this week?
Over the last 7 days, the CAMS air-quality model put Sumy's daily AQI at 32 on average, from 16 on Nov 5 to an hourly peak of 59 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 Sumy lost since 2001?
Since 2001, the area within 10 km of Sumy has lost about 128 hectares of forest (about 180 football pitches): 1.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 23 hectares (18%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Sumy grew from about 7,560 hectares to 7,940 hectares, a net gain of about 378 hectares (+5%). New forest grew on about 436 hectares, while 58 hectares were lost.
What is the tree count in Sumy?
Sumy has an estimated 119,240 trees across the 12.46 km² of land measured — 38.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Sumy need?
Sumy has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Sumy'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 Kovpakivs'kyi District; the tree count is an estimate derived from that cover.
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