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Frederick Law Olmsted National Historic Site, Massachusetts

National Historic Site in Norfolk County, Massachusetts

Air quality

The air at Frederick Law Olmsted National Historic Site

Index 26, good, led by fine particles. Read at 3 PM from its reporting area, Boston Metro (MA), 5 miles off.

26GoodAir quality index now
Set by
Fine particles (PM2.5), averaged over the last 12 hours, the latest weighing most.
Latest hour
At the monitor 2.5 mi off, the latest hour alone reads 17, good.
Smoke
No smoke near the ground through Fri 8 AM.
Each pollutant at Frederick Law Olmsted National Historic Site on the air quality index, 0 to 150: fine particles 26, ozone 17, coarse particles 13, nitrogen dioxide 4, sulfur dioxide 0, carbon monoxide no index.EACH POLLUTANT ON THE INDEXindexGOODMODERATESENSITIVEFine particles (PM2.5)2.5 mi offFine particles (PM2.5): 26, good26GoodOzone21 ppb, 2.5 mi offOzone: 17, good17GoodCoarse particles (PM10)2.5 mi offCoarse particles (PM10): 13, good13GoodNitrogen dioxide4 ppb, 2.5 mi offNitrogen dioxide: 4, good4GoodSulfur dioxide0.3 ppb, 2.5 mi offSulfur dioxide: 0, good0GoodCarbon monoxide0.2 ppm, 2.5 mi offno index050100150

The days ahead

Good each day through Sat Oct 24, led by fine particles. Yesterday measured 27, good.

The air quality index by day. Good each day through Sat Oct 24, led by fine particles. Yesterday measured 27, good.THE INDEX BY DAYindexGOODMODERATE050100Yesterday, measured: 27, good27YesterdayOct 20GoodToday, forecast: goodTodayOct 21GoodThu Oct 22, forecast: goodThuOct 22GoodFri Oct 23, forecast: goodFriOct 23GoodSat Oct 24, forecast: goodSatOct 24Good

Precipitation

What has fallen at Frederick Law Olmsted National Historic Site

None in the last 3 days, to Wed 2 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 Frederick Law Olmsted National Historic Site, the next 42 hours

Visibility stays 8 miles or more through Fri 8 AM, lowest Thu 3 AM.

This hour
10+mi
Lowest, Thu 3 AM
8mi
Hours under a mile
0
Visibility by the hour for the next 42 hours, in miles to 10. Visibility stays 8 miles or more through Fri 8 AM, lowest Thu 3 AM.VISIBILITY, THE NEXT 42 HOURSmiDENSE FOGFOGMIST ORHAZECLEAR01/413510Wed 3 PM: 10 miles or moreWed 4 PM: 10 miles or moreWed 5 PM: 10 miles or moreWed 6 PM: 10 miles or moreWed 7 PM: 10 miles or moreWed 8 PM: 10 milesWed 9 PM: 10 milesWed 10 PM: 9 milesWed 11 PM: 9 milesThu 12 AM: 9 milesThu 1 AM: 9 milesThu 2 AM: 9 milesThu 3 AM: 8 milesThu 4 AM: 8 milesThu 5 AM: 8 milesThu 6 AM: 8 milesThu 7 AM: 9 milesThu 8 AM: 10 milesThu 9 AM: 10 miles or moreThu 10 AM: 10 miles or moreThu 11 AM: 10 miles or moreThu 12 PM: 10 miles or moreThu 1 PM: 10 miles or moreThu 2 PM: 10 miles or moreThu 3 PM: 10 miles or moreThu 4 PM: 10 miles or moreThu 5 PM: 10 miles or moreThu 6 PM: 10 miles or moreThu 7 PM: 10 miles or moreThu 8 PM: 10 miles or moreThu 9 PM: 10 miles or moreThu 10 PM: 10 miles or moreThu 11 PM: 10 miles or moreFri 12 AM: 10 miles or moreFri 1 AM: 10 miles or moreFri 2 AM: 10 miles or moreFri 3 AM: 10 miles or moreFri 4 AM: 10 miles or moreFri 5 AM: 10 miles or moreFri 6 AM: 10 miles or moreFri 7 AM: 10 miles or moreFri 8 AM: 10 miles or moreLOWEST 8 MILES, THU 3 AM6 PMTHU6 AMNOON6 PMFRI6 AM

Park

Designation
National Historic Site
Area
293,000 sq ft
Height at its point
151 ft
County
Norfolk County
State
Massachusetts
Latitude
42.3242° N
Longitude
71.1319° W

What is measuring near here

The 6 instruments nearest Frederick Law Olmsted National Historic Site, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.8 miles away.

measured now4 instruments

Muddy River At Brookline01104683

At a river or reservoir gauge/1.4 mi away/6 ft/145 ft below here

temp, wind, gust, humidity, pressure

Citizen station AP586AP586

In a volunteer observer's own ground/1.8 mi away/57 ft/94 ft below here

temp, humidity, wind, precip, pressure

NewtonMA006

Beside a road/6.3 mi away/62 ft/89 ft below here

temp, pavement temp, wind, visibility, precip

Boston/Logan INTLBOS

At an airfield/6.7 mi away/30 ft/121 ft below here

temp, wind, gust, visibility, precip, pressure

measured daily2 instruments

Brookline 1.3 ENEMA-NF-88

In a volunteer observer's own ground/0.8 mi away/47 ft/104 ft below here

precip, snowfall, snow depth

Jamacia PlainJPBM3

At a cooperative observer's station/1.6 mi away/102 ft/49 ft below 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 Frederick Law Olmsted National Historic Site

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

Near Frederick Law Olmsted National Historic Site