Germany · Bremen · 2 cities
Air quality in Bremen today The AQI right now, city by city
Right now, Bremerhaven has the cleanest air of the 2 cities we track in Bremen (AQI 55, Moderate), and Bremen the worst (AQI 63, Moderate). Bremen has the most tree cover, at 34.9% — #41 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.
- cities tracked
- 2
- average tree cover
- 29.8%
- Germany: 38.4%
- worst air now: Bremen
- 63
- cleanest air now: Bremerhaven
- 55
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Bremen
Air quality today across Bremen, city by city
| Bremen | 63Moderate | 34.9% | — | #41 of 71 |
|---|---|---|---|---|
| Bremerhaven | 55Moderate | 24.6% | 11.9K | #65 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 Bremen lost?
Since 2001, Bremen has lost about 64 hectares of forest (about 89 football pitches): 1.1% of the forest it had in 2000. Most of it (60%) was deforestation, forest cleared for good, mainly for towns and roads.
- Forest lost since 2001
- 64 haabout 89 football pitches
- Share of its forest
- 1.1%of what there was in 2000
- Cleared for good
- 38 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 | under 1 ha | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 1 ha | under 1 ha | 2 ha |
| 2005 | 1 ha | under 1 ha | 1 ha |
| 2006 | 2 ha | 1 ha | 3 ha |
| 2007 | 3 ha | under 1 ha | 4 ha |
| 2008 | under 1 ha | 1 ha | 1 ha |
| 2009 | under 1 ha | under 1 ha | 1 ha |
| 2010 | 1 ha | 3 ha | 4 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | 1 ha | 1 ha |
| 2013 | 2 ha | under 1 ha | 3 ha |
| 2014 | 4 ha | under 1 ha | 4 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 8 ha | under 1 ha | 9 ha |
| 2017 | 2 ha | 2 ha | 4 ha |
| 2018 | under 1 ha | under 1 ha | 1 ha |
| 2019 | 1 ha | under 1 ha | 1 ha |
| 2020 | 2 ha | under 1 ha | 2 ha |
| 2021 | under 1 ha | 3 ha | 3 ha |
| 2022 | 4 ha | 4 ha | 8 ha |
| 2023 | 2 ha | 2 ha | 4 ha |
| 2024 | 1 ha | under 1 ha | 1 ha |
| 2025 | 3 ha | 2 ha | 4 ha |
The worst year was 2016, when about 9 hectares of forest were lost.
What is causing deforestation in Bremen?
- Towns and roadscleared for good58% · 37 ha
- Loggingcan grow back17% · 11 ha
- Farms, pasture and plantationscleared for good1.4% · under 1 ha
Also: unknown 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
Other states in Germany
Clean-air buying guides
Cleaner air at home in Bremen
Picked by tested clean-air delivery rate (CADR), noise and running cost, from independent test labels. No brand pays to be listed.
- The best air purifiers for wildfire smoke and smog
Air purifiers that keep up with wildfire smoke and winter smog, ranked by verified smoke CADR, with the room each one clears on a smoky day.
- The best air purifiers for bedrooms: quiet picks sized for your room
Quiet HEPA air purifiers for bedrooms, compared on what matters at night: noise on the lowest setting (from 20 dB), verified room size and filter cost.
- The best air purifiers under $200
Good HEPA air purifiers under $200 at the makers' own prices, compared on verified clean air, room size and what the filters cost each year.
Your own street