City report · Silesia, Poland
Gliwice Air quality today
Air quality in Gliwice currently reads AQI 102 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
AQI 102
Air quality right now
Unhealthy for sensitive groups
- PM2.5, fine particles (µg/m³)
- 31.3
- tree cover
- 43.5%
- trees in this area
- 137K
- more trees needed
- 0
Measured across a 2 km radius around Gliwice, Poland (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Gliwice · AQI 102 (Unhealthy for sensitive groups)
Gliwice's tree count comes to 136,659 trees across 12.57 km², already at or above the 35% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Gliwice today: AQI 102, Unhealthy for sensitive groups
Main pollutant: PM2.5 · Observed Nov 10, 11:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 45 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 6 station cities within 45 km, e.g. Zabrze and Ruda Śląska
Health signal
Sensitive groups should limit long or intense outdoor activity.
PM2.5
31.3
PM10
24.5
NO₂
21.3
O₃
40.0
SO₂
8.7
CO
246.0
- Outdoor exercise
- Children, older adults and people with asthma or heart disease should cut down long or hard exercise
- Windows
- Close them to keep the outside air out
- Mask
- Sensitive groups: an N95 outdoors
- Air purifier
- Run one, especially in bedrooms
Over the last 7 days, the CAMS air-quality model put Gliwice's daily AQI at 134 on average, from 88 on Nov 4 to an hourly peak of 193 on Nov 9.
Where Gliwice stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Gliwice: Healthy tree cover
43.5% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
136,659
Target trees
136,659
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Gliwice lost?
Since 2001, the area within 10 km of Gliwice has lost about 766 hectares of forest (about 1,100 football pitches): 9.5% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 222 hectares (29%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from August 2017 of a 5 × 5 km area about 5 km north of the city center.
- Forest lost since 2001
- 766 haabout 1,100 football pitches
- Share of its forest
- 9.5%of what there was in 2000
- Cleared for good
- 222 hadeforestation: turned into farms, mines or towns
The worst year was 2012, when about 55 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 | 6 ha | 3 ha | 9 ha |
| 2002 | 6 ha | 14 ha | 20 ha |
| 2003 | 2 ha | 16 ha | 18 ha |
| 2004 | 2 ha | 4 ha | 5 ha |
| 2005 | 12 ha | 34 ha | 46 ha |
| 2006 | 2 ha | 9 ha | 11 ha |
| 2007 | 5 ha | 19 ha | 23 ha |
| 2008 | 7 ha | 33 ha | 40 ha |
| 2009 | 28 ha | 4 ha | 32 ha |
| 2010 | 18 ha | 32 ha | 50 ha |
| 2011 | 4 ha | 17 ha | 21 ha |
| 2012 | 27 ha | 27 ha | 55 ha |
| 2013 | 10 ha | 9 ha | 19 ha |
| 2014 | 8 ha | 23 ha | 31 ha |
| 2015 | 5 ha | 11 ha | 16 ha |
| 2016 | 8 ha | 26 ha | 34 ha |
| 2017 | 8 ha | 47 ha | 54 ha |
| 2018 | 21 ha | 31 ha | 52 ha |
| 2019 | 4 ha | 19 ha | 22 ha |
| 2020 | 4 ha | 27 ha | 31 ha |
| 2021 | 12 ha | 36 ha | 48 ha |
| 2022 | 9 ha | 30 ha | 38 ha |
| 2023 | 5 ha | 29 ha | 35 ha |
| 2024 | 6 ha | 27 ha | 33 ha |
| 2025 | 5 ha | 15 ha | 20 ha |
What is causing deforestation around Gliwice?
- Loggingcan grow back69% · 531 ha
- Towns and roadscleared for good26% · 196 ha
- Farms, pasture and plantationscleared for good2.7% · 21 ha
Also: mining and energy, 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
- 12,500 ha
- Forest in 2020
- 12,500 ha
- Overall change
- +36 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Gliwice stayed about the same size, at about 12,500 hectares: new forest grew on about 408 hectares, and about 372 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 Gliwice
Same 2 km radius, same index — so they compare directly.
- Ruda Śląska13.5 km
Poland
- Tree cover
- 57%
- Air quality
- 108
- Bytom19.0 km
Poland
- Tree cover
- 43%
- Air quality
- 101
- Rybnik24.3 km
Poland
- Tree cover
- 42%
- Air quality
- 74
- Katowice24.9 km
Poland
- Tree cover
- 27%
- Air quality
- 115
- Tychy27.3 km
Poland
- Tree cover
- 44%
- Air quality
- 115
- Dąbrowa Górnicza37.7 km
Poland
- Tree cover
- 44%
- Air quality
- 115
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Frequently asked
Questions about Gliwice
What is the air quality (AQI) in Gliwice right now?
The latest reading for Gliwice shows an AQI of 102 (Unhealthy for sensitive groups), observed Nov 10, 11:00 local time via Open-Meteo / CAMS, corrected with 6 ground-station cities within 45 km, US EPA index. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.
Is it safe to exercise outside in Gliwice today?
At AQI 102 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Gliwice been like this week?
Over the last 7 days, the CAMS air-quality model put Gliwice's daily AQI at 134 on average, from 88 on Nov 4 to an hourly peak of 193 on Nov 9. On 6 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Gliwice lost since 2001?
Since 2001, the area within 10 km of Gliwice has lost about 766 hectares of forest (about 1,100 football pitches): 9.5% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 222 hectares (29%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Gliwice stayed about the same size, at about 12,500 hectares: new forest grew on about 408 hectares, and about 372 hectares were lost.
What is the tree count in Gliwice?
Gliwice has an estimated 136,659 trees across the 12.57 km² measured — 43.5% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Gliwice need?
Gliwice has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Gliwice'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 Gliwice; the tree count is an estimate derived from that cover.
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