Is air quality in Leeds better or worse since our lockdown begun? The data suggest, if anything, that it's worse. Is the data wrong? Am I reading it wrong? Is there better data elsewhere? Is there more traffic? (and how would you measure that?) https://uk-air.defra.gov.uk/data/show-datavis?q=2062723&type=auto

As for "is there more traffic?". I tried to find the answer using WebTris. But everywhere I look it says there's no data yet. Can anyone point me to public data on how traffic has changed in Leeds (that isn't Google Mobility Tracker)?