Germany · Baden-Wurttemberg · 9 cities
Air quality in Baden-Wurttemberg today The AQI right now, city by city
Right now, Freiburg has the cleanest air of the 9 cities we track in Baden-Wurttemberg (AQI 3, Good), and Heidelberg the worst (AQI 95, Moderate). Heidelberg has the most tree cover, at 54.4% — #5 of 71 cities measured in Germany.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
AQI 66
Average right now
Moderate
- cities tracked
- 9
- average tree cover
- 40.6%
- Germany: 38.4%
- worst air now: Heidelberg
- 95
- cleanest air now: Freiburg
- 3
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Baden-Wurttemberg · average AQI 66
Air quality today across Baden-Wurttemberg, city by city
| Stuttgart | 86Moderate | 40.9% | — | #27 of 71 |
|---|---|---|---|---|
| Mannheim | 90Moderate | 22.1% | 21.7K | #69 of 71 |
| Karlsruhe | 76Moderate | 42.3% | — | #23 of 71 |
| Freiburg | 3Good | 53.1% | — | #6 of 71 |
| Heidelberg | 95Moderate | 54.4% | — | #5 of 71 |
| Heilbronn | 78Moderate | 32.7% | — | #55 of 71 |
| Ulm | 78Moderate | 33.2% | — | #52 of 71 |
| Pforzheim | 59Moderate | 48.2% | — | #14 of 71 |
| Reutlingen | 28Good | 38.3% | — | #33 of 71 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Germany.
Deforestation · 2001–2025
How much forest has Baden-Wurttemberg lost?
Since 2001, Baden-Wurttemberg has lost about 112,000 hectares of forest (about 160,000 football pitches): 7.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 3,960 hectares (3.5%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 112,000 haabout 160,000 football pitches
- Share of its forest
- 7.4%of what there was in 2000
- Cleared for good
- 3,960 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 188 ha | 3,150 ha | 3,340 ha |
| 2002 | 101 ha | 1,210 ha | 1,310 ha |
| 2003 | 29 ha | 445 ha | 474 ha |
| 2004 | 227 ha | 6,570 ha | 6,800 ha |
| 2005 | 147 ha | 4,030 ha | 4,180 ha |
| 2006 | 167 ha | 3,750 ha | 3,920 ha |
| 2007 | 134 ha | 4,530 ha | 4,670 ha |
| 2008 | 231 ha | 4,090 ha | 4,320 ha |
| 2009 | 209 ha | 3,480 ha | 3,690 ha |
| 2010 | 196 ha | 4,290 ha | 4,480 ha |
| 2011 | 129 ha | 3,530 ha | 3,660 ha |
| 2012 | 112 ha | 2,530 ha | 2,640 ha |
| 2013 | 74 ha | 1,420 ha | 1,500 ha |
| 2014 | 163 ha | 1,960 ha | 2,120 ha |
| 2015 | 186 ha | 1,240 ha | 1,420 ha |
| 2016 | 142 ha | 2,590 ha | 2,730 ha |
| 2017 | 273 ha | 3,550 ha | 3,830 ha |
| 2018 | 177 ha | 4,120 ha | 4,300 ha |
| 2019 | 192 ha | 5,840 ha | 6,030 ha |
| 2020 | 173 ha | 9,070 ha | 9,240 ha |
| 2021 | 84 ha | 6,100 ha | 6,180 ha |
| 2022 | 136 ha | 4,600 ha | 4,740 ha |
| 2023 | 150 ha | 7,660 ha | 7,810 ha |
| 2024 | 151 ha | 9,520 ha | 9,670 ha |
| 2025 | 186 ha | 8,880 ha | 9,060 ha |
Forest loss is speeding up: about 7,490 hectares a year in 2021–2025, up from 5,230 hectares a year in 2016–2020. The worst year was 2024, when about 9,670 hectares of forest were lost.
What is causing deforestation in Baden-Wurttemberg?
- Loggingcan grow back95% · 106,000 ha
- Towns and roadscleared for good2.5% · 2,810 ha
- Unknown causescause unknown1.6% · 1,760 ha
Also: mining and energy, farms, pasture and plantations, storms, floods and other natural causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
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