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Harriet Tubman Underground Railroad National Historical Park, Maryland

National Historical Park in Dorchester County, Maryland

Air quality

The air at Harriet Tubman Underground Railroad National Historical Park

Index 20, good, led by ozone. Read at 12 AM from its reporting area, Lower Eastern Shore (MD), 19 miles off.

20Good
  • Fine particles (PM2.5)14Good-
  • Ozone20Good20 ppb9 mi
  • Coarse particles (PM10)5Good-
  • Sulfur dioxide0Good0 ppb9 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 54, moderate.

Smoke, the next 45 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 17 or under.

FriSat

Precipitation

What has fallen at Harriet Tubman Underground Railroad National Historical Park

0.06 in in the last 24 hours, and none in the 2 days before, to Thu 11 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.06in
Last 3 days
0.06in

Visibility

How far you can see at Harriet Tubman Underground Railroad National Historical Park, the next 45 hours

Mist or haze: visibility falls to 2 miles Fri 9 PM.

FriSat

Park

Designation
National Historical Park
Area
0.75 sq mi
Height at its point
2 ft
County
Dorchester County
State
Maryland
Latitude
38.4877° N
Longitude
76.2472° W

What is measuring near here

The 6 instruments nearest Harriet Tubman Underground Railroad National Historical Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 4.3 miles away.

measured now4 instruments

Citizen station GW0807GW0807

In a volunteer observer's own ground/4.3 mi away/3 ft/1 ft above here

temp, humidity, wind, precip, pressure

BlackwaterBLWM2

At a river or reservoir gauge/8.8 mi away/0 ft/2 ft below here

temp, wind, gust, humidity, pressure

US-50 at ChoptankMD004

Beside a road/12.0 mi away/0 ft/2 ft below here

temp, pavement temp, wind, visibility, precip

CambridgeCGE

At an airfield/12.3 mi away/19 ft/17 ft above here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Church Creek 0.6 WNWMD-DR-4

In a volunteer observer's own ground/4.6 mi away/0 ft/2 ft below here

precip, snowfall, snow depth

Royal Oak 2SSWROYM2

At a cooperative observer's station/16.0 mi away/5 ft/3 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Maryland

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

Near Harriet Tubman Underground Railroad National Historical Park

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

Near Harriet Tubman Underground Railroad National Historical Park