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Why is air quality index so poor these days?
Why is that? Higher temperatures? Pollen? I noticed in the past days the air quality index has worsened in the city. I usually see this in the Weather app on my iPhone
Why is that? Higher temperatures? Pollen?
The Weather app pulls data from a single monitoring station often located near a major road, so it's not great for Berlin's actual air quality. Your Kiez might be fine while the app shows red because the station on Frankfurter Allee is picking up truck exhaust. Check the Luftdaten.info map with the purple sensors, those are citizen-run and give you a much better picture of your immediate area.
honestly the iphone weather app is just bad for berlin, it pulls from a generic model not the actual sensors around the city. check the luftdaten.info map instead, it's citizen-run and shows readings from people's balconies all over. you'll see spots like kreuzberg near the ring show way higher numbers than somewhere like grunewald. the temperature shift from 30c to 20c at night also messes with the ground-level ozone, that's a different pollutant than the dust and pollen
tbh the iphone weather app pulls from a pretty broad area so it's not always accurate for your exact street. i live near tempelhofer feld and my reading is way different than friends in x-berg, probably because the open field lets the air circulate better. if you check feinstaub.online you can see sensor readings from actual people's balconies, way more useful than the generic city number
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What is the correct spelling for a street name that appears differently on multiple signs in Charlottenburg?
Worth noting that Berlin street names have official umlaut and ß rules that trip people up, so a sign showing "Strasse" versus "Straße" is not actually a spelling error, just an older transcription. Same with "ue" versus "ü" (e.g. "Kantstrasse" vs "Kantstraße"), both are considered valid renderings and you'll see the ß version on the blue Schilder and the ss version on older plaques or in databases that predate Unicode. If the difference you're seeing is between those two forms, there's nothing to fix and both are technically correct.
if the signs u mean are the old enamel ones on the house facades those are often protected as Baudenkmal so nobody's allowed to correct them even if the spelling is outdated. the binding version is whatever is in the Berliner Strassenverzeichnis plus the entry in the Liegenschaftskataster, so if u tell me the street i can point u to the right Bezirksamt Mitte or Charlottenburg-Wilmersdorf page. tbh the merged district thing is real but the facade signs are a separate story, theyre basically museum pieces at this point
honestly thats super common in Charlottenburg, the district offices were merged from older Bezirke and nobody ever fixed all the Schilder. if its a real street you can check the official strassenverzeichnis on berlin.de, that list is what the Burgeramt actually goes by. which street is it? some of the Kaiserdamm / Kantstrasse signs are notorious for this.