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City report · Silesia, Poland

Ruda Śląska Air quality today

Air quality in Ruda Śląska currently reads AQI 108 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.

Air quality right now

AQI 108

Unhealthy for sensitive groups

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
38.4
tree cover
56.7%
trees in this area
178K
more trees needed
0

Measured across a 2 km radius around Halemba, Ruda Śląska, Poland (12.57 km²), from a satellite image of Sep 18, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Ruda Śląska · AQI 108 (Unhealthy for sensitive groups)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 18, 2026

Ruda Śląska's tree count comes to 178,128 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 Ruda Śląska today: AQI 108, Unhealthy for sensitive groups

Main pollutant: PM2.5 · Observed Nov 11, 17:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Katowice, Zawodzie, 14.6 km away · median of 6 stations

Health signal

Sensitive groups should limit long or intense outdoor activity.

PM2.5

38.4

PM10

21.3

NO₂

21.1

O₃

50.9

SO₂

9.9

CO

346.0

Data: OpenAQ · AirGradient, EEA, farad

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 Ruda Śląska's daily AQI at 139 on average, from 94 on Nov 4 to an hourly peak of 207 on Nov 7.

Last 7 days · model estimateavg 139 · peak 207
Nov 4: AQI 94 (peak 159)Nov 5: AQI 126 (peak 183)Nov 6: AQI 140 (peak 198)Nov 7: AQI 150 (peak 207)Nov 8: AQI 154 (peak 193)Nov 9: AQI 168 (peak 195)Nov 10: AQI 141 (peak 189)
Nov 4Nov 10

Where Ruda Śląska stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Ruda Śląska: Healthy tree cover

56.7% tree cover against a 35% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

178,128

Target trees

178,128

More trees needed

0

CO₂ if planted / yr

0 kg

Deforestation · 2001–2025

How much forest has Ruda Śląska lost?

Since 2001, the area within 10 km of Ruda Śląska has lost about 891 hectares of forest (about 1,200 football pitches): 7.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 388 hectares (44%) was deforestation: forest cleared for good for farms, mines or towns.

Satellite image of the area around Ruda Śląska, August 2017

2017: satellite photo from August 2017 of a 5 × 5 km area about 6 km southeast of the city center.

Forest lost since 2001
891 haabout 1,200 football pitches
Share of its forest
7.6%of what there was in 2000
Cleared for good
388 hadeforestation: turned into farms, mines or towns

The worst year was 2012, when about 70 hectares of forest were lost.

Forest lost each year around Ruda Śląska, 2001–2025

Hectares of forest lost each year

Forest lost each year around Ruda Śląska, 2001–2025. Use the left and right arrow keys to read each year.70.4

Show the figures as a table
Forest lost each year around Ruda Śląska, 2001–2025
YearCleared for goodCan grow backTotal
20017 ha2 ha9 ha
200215 ha25 ha40 ha
20038 ha5 ha13 ha
20043 ha2 ha5 ha
200518 ha20 ha38 ha
200618 ha2 ha19 ha
200720 ha3 ha23 ha
200811 ha12 ha23 ha
200912 haunder 1 ha13 ha
201023 ha12 ha35 ha
201113 ha24 ha36 ha
201244 ha27 ha70 ha
20139 ha21 ha30 ha
201412 ha40 ha52 ha
20156 ha14 ha20 ha
201630 ha36 ha66 ha
201722 ha38 ha60 ha
201813 ha18 ha32 ha
20196 ha22 ha28 ha
202011 ha24 ha35 ha
202118 ha40 ha58 ha
202228 ha43 ha70 ha
20239 ha26 ha35 ha
202419 ha25 ha44 ha
202514 ha23 ha37 ha

What is causing deforestation around Ruda Śląska?

  • Loggingcan grow back54% · 484 ha
  • Towns and roadscleared for good39% · 346 ha
  • Mining and energycleared for good4.7% · 42 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
17,500 ha
Forest in 2020
17,500 ha
Overall change
−27 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Ruda Śląska stayed about the same size, at about 17,500 hectares: new forest grew on about 442 hectares, and about 468 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 Ruda Śląska

Same 2 km radius, same index — so they compare directly.

  • Gliwice

    Poland

    13.5 km
    Tree cover
    44%
    Air quality
    90
  • Tychy

    Poland

    15.6 km
    Tree cover
    44%
    Air quality
    115
  • Dąbrowa Górnicza

    Poland

    26.1 km
    Tree cover
    44%
    Air quality
    115
  • Rybnik

    Poland

    28.7 km
    Tree cover
    42%
    Air quality
    79
  • Bielsko-Biala

    Poland

    50.3 km
    Tree cover
    42%
    Air quality
    84
  • Ostrava

    Czechia

    62.5 km
    Tree cover
    40%
    Air quality
    72

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Ruda Śląska air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Ruda Śląska

What is the air quality (AQI) in Ruda Śląska right now?

The latest reading for Ruda Śląska shows an AQI of 108 (Unhealthy for sensitive groups), measured Nov 11, 17:00 local time by 6 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Katowice, Zawodzie, 14.6 km away). The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.

Is it safe to exercise outside in Ruda Śląska today?

At AQI 108 (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 Ruda Śląska been like this week?

Over the last 7 days, the CAMS air-quality model put Ruda Śląska's daily AQI at 139 on average, from 94 on Nov 4 to an hourly peak of 207 on Nov 7. On 6 of those days the average was above 100, unhealthy for sensitive groups.

How much forest has the area around Ruda Śląska lost since 2001?

Since 2001, the area within 10 km of Ruda Śląska has lost about 891 hectares of forest (about 1,200 football pitches): 7.6% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 388 hectares (44%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Ruda Śląska stayed about the same size, at about 17,500 hectares: new forest grew on about 442 hectares, and about 468 hectares were lost.

What is the tree count in Ruda Śląska?

Ruda Śląska has an estimated 178,128 trees across the 12.57 km² measured — 56.7% tree cover, already past the 35% tree-cover target set for this area.

How many more trees does Ruda Śląska need?

Ruda Śląska has already reached its tree-cover target, so no additional trees are needed to close the gap.

How are Ruda Śląska's air quality and tree cover measured?

Air quality is measured by ground monitoring stations near Halemba, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. 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 Halemba; the tree count is an estimate derived from that cover.

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