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Post by nei on Apr 4, 2020 13:19:47 GMT -5
found a cool site that makes plots of air quality over time for US cities. www.epa.gov/outdoor-air-quality-data/air-data-multiyear-tile-plotwith the coronavirus shutdowns, Los Angeles is getting the cleanest stretch of air in decades; looks like it was horrible in the 80s in summer  the Springfield metro, where I used to live. where I lived was on the northern edge of the metro further from the northeast corridor so probably a bit better  NYC metro has improved a lot in 15 years. Coronavirus improvement less obvious  Miami generally has clean air from breezes off the Atlantic  San Francisco is usually good for a major cities; recent spikes are from forest fires  |
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Post by Benfxmth on Apr 4, 2020 13:24:31 GMT -5
Excellent find!
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Post by Deleted on Apr 4, 2020 13:56:40 GMT -5
Would be good to see for London and Paris.
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Post by Steelernation on Apr 4, 2020 14:21:46 GMT -5
It says a maximum of 25 years. How did you get it to do 1980-2020 nei? |
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Post by nei on Apr 4, 2020 14:30:33 GMT -5
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Post by Steelernation on Apr 4, 2020 15:02:15 GMT -5
Rochester has improved significantly:   |
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Post by chesternz on Apr 5, 2020 5:33:35 GMT -5
Here's Bangkok's averages over the past few years. As you can see, winter is pretty bad but the wet season is alright. It's seasonal because of the prevailing winds and the practice of burning sugarcane fields in winter.  |
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Post by Speagles84 on Apr 7, 2020 13:14:24 GMT -5
Was bad in the late 90s, much better now  |
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Post by Ariete on Apr 7, 2020 13:59:18 GMT -5
We have the best air there is. It's very good. It's beautiful. Bigly.
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Post by boombo on Apr 7, 2020 14:29:16 GMT -5
London is pretty up and down but has still improved a lot just in the past couple of years.  Eww Delhi wtf!   |
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Post by Crunch41 on Apr 7, 2020 15:07:13 GMT -5
found a cool site that makes plots of air quality over time for US cities. with the coronavirus shutdowns, Los Angeles is getting the cleanest stretch of air in decades; looks like it was horrible in the 80s in summer LA used to be worse. Here are several pictures of smog from the 1950s. I don't know if any data was kept back then. I wonder what the worst was, historically? Many cities that are clean now were very polluted in the past. It could even be an ancient city. I think Ancient Rome had smog. timeline.com/la-smog-pollution-4ca4bc0cc95d |
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Post by boombo on Apr 7, 2020 15:10:31 GMT -5
found a cool site that makes plots of air quality over time for US cities. with the coronavirus shutdowns, Los Angeles is getting the cleanest stretch of air in decades; looks like it was horrible in the 80s in summer LA used to be worse. Here are several pictures of smog from the 1950s. I don't know if any data was kept back then. I wonder what the worst was, historically? Many cities that are clean now were very polluted in the past. It could even be an ancient city. I think Ancient Rome had smog. timeline.com/la-smog-pollution-4ca4bc0cc95dDon't know how accurate the old London data is but you get the idea.  |
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Post by Claudia Giorbaum on Apr 8, 2020 8:21:33 GMT -5
Los Angeles looks like it slowly improved throughout the 80s, makes me wonder how bad the 70s were
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Post by Ariete on Apr 11, 2020 11:09:10 GMT -5
New Delhi October 2019 and April 2020:
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Post by Ethereal on Apr 12, 2020 6:20:32 GMT -5
Los Angeles (before and after):   At least one good thing came out from the Coronavirus. |
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Post by Steelernation on Sept 12, 2020 21:59:22 GMT -5
Here’s Fort Collins:   |
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Post by jgtheone on Sept 12, 2020 22:33:38 GMT -5
You can see the bushfire effects here pretty clearly lol. This is for Brooklyn, an industrial suburb in western Melbourne  This is in Canberra. A normally clean city, as you'd expect, it got hammered in December and early January.  |
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Post by kandek on Sept 14, 2020 17:51:50 GMT -5
LA used to be worse. Here are several pictures of smog from the 1950s. I don't know if any data was kept back then. I wonder what the worst was, historically? Many cities that are clean now were very polluted in the past. It could even be an ancient city. I think Ancient Rome had smog. timeline.com/la-smog-pollution-4ca4bc0cc95dDon't know how accurate the old London data is but you get the idea. Holy fuck, London must have been insanely depressing back then. If I had the misfortune of living there at the time I would have left for sure. But where would have been better? Probably nowhere in Europe except possibly Iceland, Finland, northern Norway/Sweden. |
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Post by Strewthless on Sept 14, 2020 17:58:08 GMT -5
Don't know how accurate the old London data is but you get the idea. Holy fuck, London must have been insanely depressing back then. If I had the misfortune of living there at the time I would have left for sure. But where would have been better? Probably nowhere in Europe except possibly Iceland, Finland, northern Norway/Sweden. London was smoggy as hell in the 1800's, nowhere would have compared because London was way more industrialised than most cities at the time and also the largest city in the world. For many the industrial revolution was often a choice between living in a smoggy city or continuing to live as a poor farmer. The reason why the west end became the more desirable area of cities is because wind usuall blew from west to east, so the poor would live in the part with the worst air quality. |
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Post by kandek on Sept 14, 2020 18:36:54 GMT -5
Holy fuck, London must have been insanely depressing back then. If I had the misfortune of living there at the time I would have left for sure. But where would have been better? Probably nowhere in Europe except possibly Iceland, Finland, northern Norway/Sweden. London was smoggy as hell in the 1800's, nowhere would have compared because London was way more industrialised than most cities at the time and also the largest city in the world. For many the industrial revolution was often a choice between living in a smoggy city or continuing to live as a poor farmer. The reason why the west end became the more desirable area of cities is because wind usuall blew from west to east, so the poor would live in the part with the worst air quality. Ah well in that case I would have made my way over to Wrexham and had many offsprings to plough the fields and milk the goats and slaughter the chickens. |
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