Platform
Resources
Pricing
Sign in
Get started
Ian Johnson
pixel flipper, data sifter. trying to see what I can while I'm here
Workspace
Fork
Published
Air Quality
By
Ian Johnson
Edited
Aug 26, 2020
3 forks
Importers
2 stars
1
Air Quality
California Fire Maps Workbook
Smoke Forecast
PurpleAir Historical Data
PurpleAir Historical Data - D3
Air Quality Explorations
Historical California Fire Map Workbook
Historical Argentina Fire Map Workbook
Smoke Forecast Workbook
Mapping Air Quality Data with D3 - VORONOI
NOAA Smoke Data
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
us
=
d3
.
json
(
"https://unpkg.com/us-atlas@3/counties-10m.json"
)
Insert cell
stateShapes
=
topojson
.
feature
(
us
,
us
.
objects
.
states
)
//.features
Insert cell
statesByName
=
new
Map
(
stateShapes
.
features
.
map
(
d
=>
[
d
.
properties
.
name
,
d
]
)
)
Insert cell
V1_08_2020
Insert cell
Insert cell
Insert cell
Insert cell
california
=
statesByName
.
get
(
"California"
)
Insert cell
// filtering using turf as learned from this notebook https://observablehq.com/@aboutaaron/racial-demographic-dot-density-map
V1_08_2020_CA
=
V1_08_2020
.
filter
(
d
=>
{
let
p
=
turf
.
point
(
[
d
.
longitude
,
d
.
latitude
]
)
return
turf
.
booleanPointInPolygon
(
p
,
california
)
}
)
Insert cell
Insert cell
Insert cell
Insert cell
daily_V1_08_2020_CA
=
d3
.
group
(
V1_08_2020_CA
,
d
=>
dateformat
(
new
Date
(
+
d
.
acq_date
+
100000000
)
)
)
Insert cell
Insert cell
viewof
day_2020
=
Scrubber
(
daily_V1_08_2020_CA
.
keys
(
)
,
{
delay
:
300
,
loop
:
false
}
)
Insert cell
daily_V1_08_2020_CA
.
get
(
day_2020
)
Insert cell
Insert cell
Insert cell
d3
.
extent
(
V1_08_2020_CA
,
d
=>
d
.
frp
)
Insert cell
d3
.
extent
(
V1_08_2020_CA
,
d
=>
d
.
bright_ti4
)
Insert cell
d3
.
extent
(
V1_08_2020_CA
,
d
=>
d
.
bright_ti5
)
Insert cell
frpdata
=
V1_08_2020_CA
.
map
(
d
=>
d
.
frp
)
Insert cell
Insert cell
import
{
chart
as
frp2020
}
with
{
frpdata
as
data
,
histoheight
as
height
}
from
"@d3/histogram"
Insert cell
frp2020
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
frpColor
=
d3
.
scaleSequential
(
d3
.
interpolateReds
)
.
domain
(
d3
.
extent
(
frpdata
)
)
Insert cell
frpColor
(
2
)
Insert cell
Insert cell
Insert cell
ti4Color
=
d3
.
scaleSequential
(
d3
.
interpolateMagma
)
.
domain
(
d3
.
extent
(
ti4data
)
)
Insert cell
Insert cell
Insert cell
viewof
day2_2020
=
Scrubber
(
daily_V1_08_2020_CA
.
keys
(
)
,
{
delay
:
300
,
loop
:
false
}
)
Insert cell
Insert cell
Insert cell
countyShapes
=
topojson
.
feature
(
us
,
us
.
objects
.
counties
)
//.features
Insert cell
// Choose a couple counties that define the extent I care about
countyExtent
=
(
{
type
:
"FeatureCollection"
,
features
:
countyShapes
.
features
.
filter
(
d
=>
(
d
.
properties
.
name
==
"Tehama"
||
d
.
properties
.
name
==
"San Benito"
)
&&
d
.
id
.
slice
(
0
,
2
)
==
"06"
)
}
)
Insert cell
Insert cell
Insert cell
Insert cell
Insert cell
height
=
500
Insert cell
numformat
=
d3
.
format
(
",d"
)
Insert cell
dateformat
=
d3
.
timeFormat
(
"%Y-%m-%d"
)
Insert cell
Insert cell
Insert cell
Insert cell
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
Try it for free
Learn more
Fork
View
Export
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
videoembed
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
us
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
stateShapes
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
statesByName
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map1_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
california
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
V1_08_2020_CA
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map2_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
daily_V1_08_2020_CA
Show 1 comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
day_2020
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map3_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
frpdata
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
histoheight
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
ti4data
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
ti5data
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
frpColor
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map4_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
ti4Color
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map5_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
day2_2020
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map6_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
countyShapes
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
countyExtent
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
usedays7
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
day3_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
map7_2020
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
Edit
Add comment
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
height
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
numformat
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
dateformat
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
d3
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
topojson
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML
turf
Edit
Add comment
Copy import
Select
Duplicate
Copy link
Embed
Delete
JavaScript
Markdown
HTML