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Allegheny Portage Railroad National Historic Site, Pennsylvania

National Historic Site in Blair County, Pennsylvania

Air quality

The air at Allegheny Portage Railroad National Historic Site

Index 23, good, led by fine particles. Read at 11 PM from its reporting area, Altoona (PA), 9 miles off.

23Good
  • Fine particles (PM2.5)23Good9.1 mi
  • Ozone16Good16 ppb9.1 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 40, good.

Smoke, the next 46 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Allegheny Portage Railroad National Historic Site

0.02 in in the last 24 hours, 0.09 in over the last 3 days, to Thu 10 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.09in

Visibility

How far you can see at Allegheny Portage Railroad National Historic Site, the next 46 hours

Mist or haze: visibility falls to 2 miles Thu 11 PM.

FriSat

Park

Designation
National Historic Site
Area
1.97 sq mi
Height at its point
1,555 ft
County
Blair County
State
Pennsylvania
Latitude
40.4317° N
Longitude
78.5181° W

What is measuring near here

The 7 instruments nearest Allegheny Portage Railroad National Historic Site, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.2 miles away.

measured now5 instruments

SR22 & CressonPA050

Beside a road/3.2 mi away/2,323 ft/768 ft above here

temp, pavement temp, wind, visibility, precip

Blair Helibase RawsBLHP1

A remote fire weather station/5.2 mi away/1,155 ft/400 ft below here

temp, wind, gust, humidity, pressure

Citizen station GW6443GW6443

In a volunteer observer's own ground/5.3 mi away/1,252 ft/303 ft below here

temp, humidity, wind, precip, pressure

Altoona/Blair Co.AOO

At an airfield/14.0 mi away/1,503 ft/52 ft below here

temp, wind, gust, visibility, precip, pressure

Rock Springs PaS2036

At a soil climate station/36.5 mi away/1,220 ft/335 ft below here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

Cresson 0.6 NEPA-CM-14

In a volunteer observer's own ground/4.1 mi away/2,187 ft/632 ft above here

precip, snowfall, snow depth

Altoona 3SWALTP1

At a cooperative observer's station/5.1 mi away/1,369 ft/186 ft below here

snowfall, snow depth, precip, high, low

0in

Snow on the ground

Measured at Altoona 3SW (ALTP1), 5.1 miles from here, read 7 Oct, 23:59. measured daily

Elsewhere in Pennsylvania

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

Near Allegheny Portage Railroad National Historic Site

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

Near Allegheny Portage Railroad National Historic Site