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Newcomb Pass, California

Mountain pass in Los Angeles County, California, at 4,082 ft

Air quality

The air at Newcomb Pass

Index 21, good, led by ozone. Read at 5 AM from its reporting area, W San Gabriel Vly (CA), 9 miles off.

21Good
  • Fine particles (PM2.5)-11.8 mi
  • Ozone21Good20 ppb8.7 mi
  • Coarse particles (PM10)-11.8 mi
  • Nitrogen dioxide14Good15 ppb8.7 mi
  • Sulfur dioxide0Good0.2 ppb16 mi
  • Carbon monoxide-0.4 ppm16 mi

The days ahead

Good each day through Today, led by ozone. Yesterday measured 50, good.

Smoke, the next 42 hours

Little smoke near the ground through Sat 11 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Newcomb Pass

None in the last 3 days, to Fri 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.00in
Last 3 days
0.00in

Visibility

How far you can see at Newcomb Pass, the next 42 hours

Visibility stays 10 miles or more through Sat 11 PM.

FriSat

Mountain pass

Height
4,082 ft
County
Los Angeles County
State
California
Latitude
34.2325° N
Longitude
118.0273° W

What is measuring near here

The 6 instruments nearest Newcomb Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.3 miles away.

measured now4 instruments

Mount WilsonMWS

At an airfield/2.3 mi away/5,705 ft/1,623 ft above here

temp, wind, gust, visibility, precip, pressure

Mt. Wilson CbsMWSC1

At a river or reservoir gauge/2.5 mi away/5,472 ft/1,390 ft above here

temp, wind, gust, humidity, pressure

Citizen station EW6409EW6409

In a volunteer observer's own ground/10.3 mi away/1,216 ft/2,866 ft below here

temp, humidity, wind, precip, pressure

measured daily2 instruments

Mt. Wilson CbsMWSC1

At a cooperative observer's station/2.5 mi away/5,472 ft/1,390 ft above here

snowfall, snow depth, precip, high, low

Arcadia 2.1 NNECA-LA-21

In a volunteer observer's own ground/4.9 mi away/652 ft/3,430 ft below here

precip, snowfall, snow depth

0in

Snow on the ground

Measured at Mt. Wilson Cbs (MWSC1), 2.5 miles from here, read 12 Oct, 23:59. measured daily

Elsewhere in California

33 places, each with its own forecast and its own instruments.

Near Newcomb Pass

The nearest places, each with its own forecast and the instruments nearest it.

Near Newcomb Pass