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Cleghorn Pass, California

Mountain pass in San Bernardino County, California, at 4,539 ft

Air quality

The air at Cleghorn Pass

Index 44, good, led by ozone. Read at 10 PM from its reporting area, C San Bernardino M (CA), 8 miles off.

44Good
  • Fine particles (PM2.5)2Good8.5 mi
  • Ozone44Good43 ppb8.5 mi
  • Coarse particles (PM10)-11.3 mi
  • Nitrogen dioxide3Good3.3 ppb13.9 mi
  • Sulfur dioxide0Good0.6 ppb13.9 mi
  • Carbon monoxide-0.1 ppm16.7 mi

The days ahead

Good each day through Fri Oct 16, led by ozone. Yesterday measured 41, good.

Smoke, the next 44 hours

Little smoke near the ground through Sat 5 PM: the index from smoke stays at 6 or under.

FriSat

Precipitation

What has fallen at Cleghorn Pass

None in the last 3 days, to Thu 9 PM. 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 Cleghorn Pass, the next 44 hours

Visibility stays 10 miles or more through Sat 5 PM.

FriSat

Mountain pass

Height
4,539 ft
County
San Bernardino County
State
California
Latitude
34.2867° N
Longitude
117.4076° W

What is measuring near here

The 6 instruments nearest Cleghorn Pass, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.0 miles away.

measured now4 instruments

DevoreDVOC1

At a river or reservoir gauge/4.5 mi away/2,087 ft/2,452 ft below here

temp, wind, gust, humidity, pressure

Citizen station FW4319FW4319

In a volunteer observer's own ground/8.8 mi away/1,711 ft/2,828 ft below here

temp, humidity, wind, precip, pressure

San BernardinoSBD

At an airfield/16.5 mi away/1,158 ft/3,381 ft below here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Crestline 0.5 WCA-SR-64

In a volunteer observer's own ground/6.5 mi away/4,505 ft/34 ft below here

precip, snowfall, snow depth

Hesperia 1ENEHESC1

At a cooperative observer's station/12.3 mi away/3,051 ft/1,488 ft below here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in California

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

Near Cleghorn Pass

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

Near Cleghorn Pass