Storm Station

Longfellow House-Washington's Headquarters National Historic Site, Massachusetts

National Historic Site in Middlesex County, Massachusetts

Air quality

The air at Longfellow House-Washington's Headquarters National Historic Site

Index 23, good, led by ozone. Read at 12 AM from its reporting area, Boston Metro (MA), 1 mile off.

23Good
  • Fine particles (PM2.5)21Good2.7 mi
  • Ozone23Good24 ppb4.3 mi
  • Coarse particles (PM10)6Good4.3 mi
  • Nitrogen dioxide4Good4 ppb2.7 mi
  • Carbon monoxide-0.1 ppm4.3 mi

The days ahead

Good each day through Thu Oct 8, led by fine particles. Yesterday measured 30, good.

Smoke, the next 45 hours

No smoke near the ground through Wed 8 PM.

TueWed

Precipitation

What has fallen at Longfellow House-Washington's Headquarters National Historic Site

None in the last 3 days, to Mon 11 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 Longfellow House-Washington's Headquarters National Historic Site, the next 45 hours

Visibility stays 10 miles or more through Wed 8 PM.

TueWed

Park

Designation
National Historic Site
Area
85,000 sq ft
Height at its point
17 ft
County
Middlesex County
State
Massachusetts
Latitude
42.3770° N
Longitude
71.1264° W

What is measuring near here

The 6 instruments nearest Longfellow House-Washington's Headquarters National Historic Site, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.6 miles away.

measured now4 instruments

Citizen station FW2140FW2140

In a volunteer observer's own ground/1.2 mi away/64 ft/47 ft above here

temp, humidity, wind, precip, pressure

Boston/Logan INTLBOS

At an airfield/6.1 mi away/30 ft/13 ft above here

temp, wind, gust, visibility, precip, pressure

NewtonMA006

Beside a road/7.3 mi away/62 ft/45 ft above here

temp, pavement temp, wind, visibility, precip

measured daily2 instruments

Cambridge 1.0 WNWMA-MD-231

In a volunteer observer's own ground/0.6 mi away/28 ft/11 ft above here

precip, snowfall, snow depth

Jamacia PlainJPBM3

At a cooperative observer's station/5.0 mi away/102 ft/85 ft above here

snowfall, snow depth, precip, high, low

-

Snow on the ground

Elsewhere in Massachusetts

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

Near Longfellow House-Washington's Headquarters National Historic Site

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

Near Longfellow House-Washington's Headquarters National Historic Site