Home AIRMAP Sites Thompson Farm Thompson Farm 2 Castle Springs Mount Washington Appledore Island Pack Monadnock Whately Location Map Archived Data View Archived Plots Aerosol Data Durham NH Met Data Current NHDES Ozone Data Current MaineDEP Ozone Data CAMNET Sites New England Weather Air Quality Standards Actions Health Effects Site Map Contact Us Site Location View Map June 23rd - 24th, November 26th, December 15th, January 6th Current Conditions Temperature (°F) Wind Speed (MPH) Wind Direction (DEG) Atmospheric Pressure (in Hg) Ozone (ppbv) Webcams Weather UNH Observing Station at Mt. Washington Obs. 02:30 PM - 06:00 PM blowing snow 0 0 N(0)     42   UNH Observing Station at Castle Springs 09:15 AM Sky Clear -40 0 N(N/A) 0   N/A   UNH Observing Station at Thompson Farm 06:00 PM Few at 13000ft Solid Overcast at 20000ft 30 1 S(182) 29.77   33   UNH Observing Station at Appledore Island 06:00 PM 32 0 N(N/A) 29.81   36   UNH Observing Station at Pack Monadnock 06:00 PM Solid Overcast at 10000ft 10 8 SW(248) 27.45   33   Smith College MacLeish Field Station 06:00 PM 28 4 S(176) 28.95   28   Met Data Graphs Graphs updated every 15 minutes. Last 24 Hours Last 7 Days   * Mount Washington meteorological data provided by the Mount Washington Observatory. Good Moderate Sensitive Unhealthy Alert Other Air Quality Graphs 24 Hours CO SO2 NO NOy 7 Days CO SO2 NO NOy