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 May 29th, June 23rd - 24th, September 4th - 7th 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. 05:15 PM fog 41 28 W(291)     26   UNH Observing Station at Castle Springs 10:15 AM Sky Clear -40 0 N(N/A) 0   N/A   UNH Observing Station at Thompson Farm 05:15 PM Few at 10000ft 73 4 SE(149) 29.66   24   UNH Observing Station at Appledore Island N/A N/A N(N/A) N/A   N/A   UNH Observing Station at Pack Monadnock Sky Clear N/A N/A N(N/A) N/A   N/A   Smith College MacLeish Field Station 05:15 PM N/A N/A N(N/A) N/A   32   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