Animation of US PM2.5 Air Pollution in 2023

Updated on Tuesday, January 2, 2024

Air pollution on July 4, 2023

The video below shows PM2.5 air pollution in the United States from February to November 2023. The frame above is the impact of fireworks on the 4th of July. It's a blink and you miss it moment in the video but a pretty incredible impact.

I started this project in February expecting it to be more of a long term thing. Unfortunately, Purple Air started charging for their API in November, more than I was willing to pay for this project.

In terms of wildfires this year the big story in the continental US has been Canada belching plumes of smoke down across the East Coast. I didn't include Hawaii or Alaska in the map and so there is nothing for the tragic Lahaina fire on Maui.

To make the video I had a Google Apps Script running that pulled the Purple Air sensor data hourly. I then wrote an app to periodically render the data to frames using my shapefile library to plot the US and then interpolating the air quality for each pixel from the nearest sensors. The frames are stitched together at 60 frames per second using ffmpeg and final production was in DaVinci Resolve with music from Filmstro.

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(Published to the Fediverse as: Animation of US PM2.5 Air Pollution in 2023 #etc #video #purple Video showing US PM3.5 air pollution in 2023 using Purple Air sensor data. )

ITHCWY Newsletter for September 2023

San Francisco shrouded by fog, Stable Diffusion, scale 0

Catfood WebCamSaver 3.22 released with the latest web cam list. Catfood Earth for Android now supports random locations.

New tool - this page is updated every hour with a video of the last 48 hours of global IR cloud cover. Useful for tracking hurricanes and atmospheric rivers.

Sunset timelapse with a slider. And a video made from the highest resolution version of Blue Marble Next Generation.

Does the US need a third party? Also, sortition.

Some bubbles and a San Francisco Crayfish.

Reviews for August and September.

Previously:

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Global Cloud Cover 48 Hour Video Updated Hourly

Updated on Saturday, September 23, 2023

Global IR Cloud Cover

The video below shows the past 48 hours of global cloud cover, 6 frames per second. It's HD so view full screen to get the most detail. The video is updated hourly.

 

The source is the Global IR product from the University of Wisconsin-Madison Space Science and Engineering Center. I process their image to be equirectangular instead of spherical mercator (full details here) and then generate a video.

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(Published to the Fediverse as: Global Cloud Cover 48 Hour Video Updated Hourly #etc #clouds #satellite #earth #h5v Video showing 48 hours of global infrared cloud cover in HD, updated hourly. )

Blue Marble 2 Animation

One frame showing the Amazon from a Blue Marble 2 Animation

This animation shows twelve sections from the highest resolution version of NASA's Blue Marble Next Generation image for December 2004.

Can you guess all twelve locations? Answers below.

I use a lower resolution version of this image in Catfood Earth. The full version is 86,400 by 43,200, or 3.7 gigapixels. I've always wanted to do something with all this data, and decided to just follow some random paths and animate out the results. It's a little like watching the view from the ISS, if the ISS could randomly change location and direction.

The sequences in order are:

  1. Passing over Madagascar and then across central Africa. 
  2. Along the Aleutian Islands and into Alaska. 
  3. Across South America and the Amazon. 
  4. Up the Eastern seaboard of the US into Canada. 
  5. Following the Nile through North Africa. 
  6. From Siberia to Denmark. 
  7. Up Baja California and then California USA. 
  8. Philippines, Taiwan, China, Mongolia. 
  9. Following the Caribbean to Florida. 
  10. Across Australia. 
  11. South South America, focused on Chile. 
  12. Koreas, Japan.

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(Published to the Fediverse as: Blue Marble 2 Animation #etc #video #nasa #bluemarble #earth #satellite 4k 60fps video from high resolution satellite imagery, can you guess all twelve locations? )

ITHCWY Newsletter for July 2023

Updated on Tuesday, August 1, 2023

Snowdonia Milky Way Time Lapse

ITHCWY is now part of the Fediverse (Mastodon etc), follow @[email protected].

Time lapse of the Market Street Laser Rainbow for Pride, and the Shenandoah Valley.

Hikes with Hyperlapses: Presidio of San Francisco, Philosopher's Way.

Reviews for June and July.

A 3D printed kong holder, if you hate kongs falling over while you stuff and freeze them.

Photos of a Black Crested Night Heron and, sadly for the heron, a frog several thousand miles away.

Previously:

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Federation

Federation

ITHCWY is venturing into the Fediverse. This is the second attempt, I had a brief-lived API implementation to a bot account that didn't go so well. This time I've hooked up Bridgy Fed, which is free and easy and so far seems to work pretty well. I added webmention support last year which helped with the process. You can add me as @[email protected] or use the form on this page. If you reply to a post in the Fediverse it will end up as a comment on this blog (and vice versa).

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(Published to the Fediverse as: Federation #etc #ithcwy #bridgyfed #fediverse #indieweb #webmention ITHCWY is now part of the Fediverse at @[email protected] )

3D Printing a Kong XL Holder

3D Printing a Kong XL Holder

Problem: filling a Kong without it rolling around and dispersing its contents and then freezing without tipping over and oozing peanut butter. I found a couple of solutions for smaller Kongs, this one fits a Kong XL perfectly.

STL on Thingiverse or OpenSCAD code:

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(Published to the Fediverse as: 3D Printing a Kong XL Holder #etc #3dprint #openscad #thingiverse STL file and OpenSCAD code for 3D Printing a Kong XL Holder (no more freezer mishaps). )

ITHCWY Newsletter for May 2023

End the Filibuster, Joe

A time lapse of the Milky Way over South Lake Tahoe. And, World WebCams 2.

The National Popular Vote Interstate Compact is 10 Electoral College votes closer. If you live in a state where this isn't law yet consider doing something about it.

Catfood WebCamSaver 3.31 released.

Reviews for MarchApril and May.

Adventures in telling ecommerce stories via generative AI. Also, using ML.NET to predict when fog will flow through the Golden Gate.

The Coronation was looking for a pledge of allegiance?

Although it's not supposed to do much I can now blog from a reMarkable tablet.

Previously:

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Hold It

Updated on Sunday, October 1, 2023

Please, Do Not Pour Liquids Down Waterless Urinal

I don't know what to do: Please, Do Not Pour Liquids Down Waterless Urinal.

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(Published to the Fediverse as: Hold It #etc #urinal Please, Do Not Pour Liquids Down Waterless Urinal )

Give your stupid niche kids app a useful name please!

[    ]

I loved Qntm's There Is No Antimemetics Division:

"An antimeme is an idea with self-censoring properties; an idea which, by its intrinsic nature, discourages or prevents people from spreading it."

Important antimemes in my life are other parent's names and all of the fucking single use apps I'm plagued with. My kids in particular have at least one app for every aspect of their lives.

Let's say I need to know where a soccer game is. The location is hidden in an app, and for the life of me I can't remember which one.

Eventually I remember it's LeagueApps, because TeamSnap is the other kid due to some San Francisco soccer schism on a par with what material to put on the pitch (I had to vote on TWO ballot measures on this subject).

Feeling inordinately proud of myself and like I have a few years left before 24-hour nursing care I search my phone for LeagueApps and it's NOT FUCKING THERE. Because they called the app 'Play'. Not LeagueApps Play, just Play.

App developers, if you're not Gmail how about including a little more context? Like 'LeagueApps Play - where is the soccer game?' or 'Toddle - your kids homework' or 'Procare - did you remember to sign your kid in'.

They won't, but next time I'm looking I'll at least be able to Google this post.

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(Published to the Fediverse as: Give your stupid niche kids app a useful name please! #etc #apps If I'm not using it every day, I need help ever finding it again. Please don't get too cute with the name. )