Observation Sites
Yellow markers indicate discontinued sites






Show List of Sites by Station Code
Ozone and Water Vapor
Surface Ozone
21 sites in 10 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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ARH | Arrival Heights, Antarctica | New Zealand | -77.833 | 166.200 | 184.0 | -11 hours |
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BAO* | Boulder Atmospheric Observatory, Colorado | United States | 40.050 | -105.004 | 1578.7 | -7 hours |
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BMW | Tudor Hill, Bermuda | United Kingdom | 32.265 | -64.879 | 30.0 | -4 hours |
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BOS | Table Mountain | United States | 40.125 | -105.237 | 1689.0 | -7 hours |
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BRW | Barrow Atmospheric Baseline Observatory | United States | 71.323 | -156.611 | 11.0 | -9 hours |
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EUK | Eureka, Nunavut | Canada | 79.983 | -85.950 | 0.0 | -4 hours |
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ICE* | Storhofdi, Vestmannaeyjar | Iceland | 63.400 | -20.288 | 118.0 | +0 hours |
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LAU | Lauder | New Zealand | -45.040 | 169.680 | 370.0 | +12 hours |
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MBO* | Mt. Bachelor Observatory | United States | 43.977 | -121.686 | 2731.0 | -8 hours |
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MLO | Mauna Loa, Hawaii | United States | 19.536 | -155.576 | 3397.0 | -10 hours |
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NWR | Niwot Ridge, Colorado | United States | 40.053 | -105.586 | 3523.0 | -7 hours |
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PCO* | Pico, Azores | Portugal | 38.470 | -28.400 | 2225.0 | -1 hours |
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RPB | Ragged Point | Barbados | 13.165 | -59.432 | 15.0 | -4 hours |
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SMO* | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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SPO | South Pole, Antarctica | United States | -89.980 | -24.800 | 2810.0 | +12 hours |
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SUM | Summit | Greenland | 72.596 | -38.422 | 3209.5 | -2 hours |
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THD | Trinidad Head, California | United States | 41.054 | -124.151 | 107.0 | -8 hours |
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TIK* | Hydrometeorological Observatory of Tiksi | Russia | 71.597 | 128.889 | 19.0 | +9 hours |
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TUN | Tundra Lab, Niwot Ridge, Colorado | United States | 40.054 | -105.589 | 3538.0 | +0 hours |
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WKT* | Moody, Texas | United States | 31.315 | -97.327 | 251.0 | -6 hours |
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WVR | Weaverville, California | United States | 40.731 | -122.942 | 613.0 | -8 hours |
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Dobson Total Ozone
17 sites in 6 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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BIS | Bismarck, North Dakota | United States | 46.772 | -100.760 | 511.0 | -6 hours |
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BLD | Boulder, Colorado | United States | 39.991 | -105.261 | 1628.0 | -7 hours |
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BNA | Nashville, Tennessee | United States | 36.247 | -86.562 | 182.0 | -6 hours |
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BRW | Barrow Atmospheric Baseline Observatory | United States | 71.323 | -156.611 | 11.0 | -9 hours |
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CBM | Caribou, Maine | United States | 46.868 | -68.013 | 191.0 | -5 hours |
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FBK | Fairbanks, Alaska | United States | 64.860 | -147.850 | 133.0 | -9 hours |
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HNX | Hanford, California | United States | 36.314 | -119.632 | 73.0 | -8 hours |
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HUA* | Huancayo | Peru | -12.050 | -75.320 | 0.0 | +5 hours |
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LAU | Lauder | New Zealand | -45.040 | 169.680 | 370.0 | +12 hours |
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MLO | Mauna Loa, Hawaii | United States | 19.536 | -155.576 | 3397.0 | -10 hours |
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MPO | Marcapomacocha | Peru | -11.400 | -76.320 | 4500.0 | -5 hours |
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OHP | Haute Provence | France | 43.917 | 5.712 | 650.0 | +1 hours |
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PTH | Perth | Australia | -31.917 | 115.967 | 5.0 | +8 hours |
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SMO | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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SPO | South Pole, Antarctica | United States | -89.980 | -24.800 | 2810.0 | +12 hours |
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TAL* | Tallahassee, Florida | United States | 30.430 | -84.330 | 53.0 | -5 hours |
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WAI | Wallops Island, Virginia | United States | 37.860 | -75.510 | 13.0 | -5 hours |
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Ozonesonde
10 sites in 5 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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HIH | Hilo, Hawaii | United States | 19.717 | -155.049 | 11.0 | -10 hours |
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HVA* | Huntsville, Alabama | United States | 34.720 | -86.640 | 0.0 | +5 hours |
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LAU | Lauder | New Zealand | -45.040 | 169.680 | 370.0 | +12 hours |
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MFS | Marshall Field Site, Boulder, Colorado | United States | 39.949 | -105.197 | 1743.0 | -7 hours |
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NRI* | Narragansett, Rhode Island | United States | 41.490 | -71.420 | 21.0 | -5 hours |
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SMO | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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SPO | South Pole, Antarctica | United States | -89.980 | -24.800 | 2810.0 | +12 hours |
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SUM* | Summit | Greenland | 72.596 | -38.422 | 3209.5 | -2 hours |
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SUV | Suva | Fiji | -18.000 | 178.000 | 0.0 | +12 hours |
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THD | Trinidad Head, California | United States | 41.054 | -124.151 | 107.0 | -8 hours |
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Dobson Umkehr Ozone
6 sites in 4 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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BLD | Boulder, Colorado | United States | 39.991 | -105.261 | 1628.0 | -7 hours |
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FBK | Fairbanks, Alaska | United States | 64.860 | -147.850 | 133.0 | -9 hours |
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LAU | Lauder | New Zealand | -45.040 | 169.680 | 370.0 | +12 hours |
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MLO | Mauna Loa, Hawaii | United States | 19.536 | -155.576 | 3397.0 | -10 hours |
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OHP | Haute Provence | France | 43.917 | 5.712 | 650.0 | +1 hours |
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PTH | Perth | Australia | -31.917 | 115.967 | 5.0 | +8 hours |
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Ozone Airborne
15 sites in 3 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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AAO* | Airborne Aerosol Observatory, Bondville, Illinois | United States | 40.050 | -88.370 | 230.0 | -6 hours |
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BGI* | Bradgate, Iowa | United States | 42.820 | -94.410 | 355.1 | -6 hours |
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BNE* | Beaver Crossing, Nebraska | United States | 40.800 | -97.180 | 465.9 | -6 hours |
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CAR* | Briggsdale, Colorado | United States | 40.635 | -104.327 | 1488.0 | -7 hours |
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CMA* | Offshore Cape May, New Jersey | United States | 38.830 | -74.320 | 0.0 | -5 hours |
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ESP* | Estevan Point, British Columbia | Canada | 49.383 | -126.544 | 7.0 | -8 hours |
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FWI* | Fairchild, Wisconsin | United States | 44.660 | -90.960 | 334.3 | -6 hours |
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HIL* | Homer, Illinois | United States | 40.070 | -87.910 | 201.5 | -6 hours |
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NHA* | Offshore Portsmouth, New Hampshire (Isles of Shoals) | United States | 42.950 | -70.630 | 0.0 | -5 hours |
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OIL* | Oglesby, Illinois | United States | 41.280 | -88.940 | 192.6 | -6 hours |
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SCA* | Offshore Charleston, South Carolina | United States | 32.770 | -79.550 | 0.0 | -5 hours |
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SGP* | Southern Great Plains, Oklahoma | United States | 36.607 | -97.489 | 314.0 | -6 hours |
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THD* | Trinidad Head, California | United States | 41.054 | -124.151 | 107.0 | -8 hours |
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ULB* | Ulaanbaatar | Mongolia | 47.400 | 106.000 | 1350.0 | +8 hours |
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WBI* | West Branch, Iowa | United States | 41.725 | -91.353 | 241.7 | -6 hours |
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Water Vapor Profiles
3 sites in 2 countries
Click on heading title to sort on that column.Code | Name | Country | Latitude | Longitude | Elevation (meters) | Time from GMT | Project |
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HIH | Hilo, Hawaii | United States | 19.717 | -155.049 | 11.0 | -10 hours |
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LAU | Lauder | New Zealand | -45.040 | 169.680 | 370.0 | +12 hours |
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MFS | Marshall Field Site, Boulder, Colorado | United States | 39.949 | -105.197 | 1743.0 | -7 hours |
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