Observation Sites
Yellow markers indicate discontinued sites








Solar Radiation and Aerosols
60 sites in 17 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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ABQ | Albuquerque, New Mexico | United States | 35.038 | -106.622 | 1617.0 | -7 hours |
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ALT | Alert, Nunavut | Canada | 82.451 | -62.507 | 185.0 | -5 hours |
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AMY | Anmyeon-do | Republic of Korea | 36.539 | 126.329 | 47.0 | +9 hours |
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APP | Appalachian State | United States | 36.200 | -81.700 | 1100.0 | -5 hours |
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ARN | El Arenosillo | Spain | 37.100 | -6.733 | 41.0 | -1 hours |
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BAO* | Boulder Atmospheric Observatory, Colorado | United States | 40.050 | -105.004 | 1578.7 | -7 hours |
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BEO | Beo-Moussala | Bulgaria | 42.179 | 23.586 | 2925.0 | +3 hours |
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BER | Prospect Hill, Bermuda | United Kingdom | 32.301 | -64.766 | 60.0 | -4 hours |
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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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BMW* | Tudor Hill, Bermuda | United Kingdom | 32.265 | -64.879 | 30.0 | -4 hours |
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BND | Bondville, Illinois | United States | 40.052 | -88.373 | 230.0 | -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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CGO | Cape Grim, Tasmania | Australia | -40.683 | 144.690 | 94.0 | +10 hours |
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CPR | Cape San Juan | Puerto Rico, USA | 18.381 | -65.618 | 66.0 | -4 hours |
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CPT | Cape Point | South Africa | -34.352 | 18.489 | 230.0 | +2 hours |
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DRA | Desert Rock, Nevada | United States | 36.624 | -116.019 | 1007.0 | -8 hours |
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EGB | Egbert, Ontario | Canada | 44.231 | -79.784 | 251.0 | -4 hours |
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ETL | East Trout Lake, Saskatchewan | Canada | 54.354 | -104.987 | 493.0 | -6 hours |
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FPK | Fort Peck, Montana | United States | 48.308 | -105.102 | 634.0 | -7 hours |
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GSN | Gosan, Cheju Island | Republic of Korea | 33.280 | 126.150 | 72.0 | +8 hours |
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GWN | Goodwin Creek, Mississippi | United States | 34.255 | -89.873 | 98.0 | -5 hours |
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HNX | Hanford, California | United States | 36.314 | -119.632 | 73.0 | -8 hours |
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HST | Houston, Texas | United States | 29.720 | -95.400 | 19.0 | -6 hours |
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KPS | K-puszta, Kecskemét | Hungary | 46.967 | 19.583 | 0.0 | +1 hours |
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KWJ | Kwajalein | Marshall Islands | 8.715 | 167.723 | 10.0 | +0 hours |
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LLN | Lulin | Taiwan | 23.470 | 120.870 | 2862.0 | +8 hours |
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MBO | Mt. Bachelor Observatory | United States | 43.977 | -121.686 | 2731.0 | -8 hours |
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MCM | McMurdo Station, Antarctica | United States | -77.830 | 166.600 | 11.0 | +12 hours |
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MLO | Mauna Loa, Hawaii | United States | 19.536 | -155.576 | 3397.0 | -10 hours |
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MSA | Montsec | Spain | 42.050 | 0.730 | 1571.0 | +0 hours |
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MSN | Madison, Wisconsin | United States | 43.130 | -89.330 | 271.0 | -6 hours |
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MSY | Montseny | Spain | 41.780 | 2.360 | 700.0 | +0 hours |
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NWR | Niwot Ridge, Colorado | United States | 40.053 | -105.586 | 3523.0 | -7 hours |
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ORT* | Oak Ridge, Tennesee | United States | 35.960 | -84.290 | 334.0 | -5 hours |
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PSA | Palmer Station, Antarctica | United States | -64.774 | -64.053 | 10.0 | -3 hours |
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PSU | Penn State, Pennsylvania | United States | 40.720 | -77.931 | 376.0 | -5 hours |
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RAL | Raleigh, North Carolina | United States | 35.730 | -78.680 | 124.0 | -5 hours |
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RSL* | Resolute | Canada | 74.717 | -94.983 | 64.0 | -6 hours |
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SEA | Seattle, Washington | United States | 47.680 | -122.250 | 20.0 | -8 hours |
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SEL* | Seoul | Republic of Korea | 37.571 | 126.966 | 85.8 | +0 hours |
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SGP* | Southern Great Plains, Oklahoma | United States | 36.607 | -97.489 | 314.0 | -6 hours |
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SLC | Salt Lake City | United States | 40.770 | -111.970 | 1288.0 | -7 hours |
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SMO | Tutuila | American Samoa | -14.247 | -170.564 | 42.0 | -11 hours |
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SMR | Hyytiala | Finland | 61.847 | 24.295 | 181.0 | +2 hours |
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SNS | Sierra Nevada | Spain | 37.096 | -3.387 | 2501.0 | +1 hours |
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SPL | Storm Peak Laboratory (Desert Research Institute) | United States | 40.450 | -106.730 | 3210.0 | -7 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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SVA | Sterling, Virginia | United States | 38.980 | -77.470 | 85.0 | -5 hours |
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SXF | Sioux Falls, South Dakota | United States | 43.734 | -96.623 | 473.0 | -6 hours |
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TBL | Table Mountain | United States | 40.125 | -105.237 | 1689.0 | -7 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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TLH* | Tallahassee, Florida | United States | 30.380 | -84.370 | 18.0 | -5 hours |
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UGR | University of Granada | Spain | 37.164 | -3.605 | 680.0 | +0 hours |
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VAR | Varrio | Finland | 67.755 | 29.609 | 400.0 | +0 hours |
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WHI | Whistler | Canada | 50.059 | -122.958 | 2182.0 | -8 hours |
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WLG | Mt. Waliguan | Peoples Republic of China | 36.288 | 100.896 | 3810.0 | +8 hours |
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WSA* | Sable Island, Nova Scotia | Canada | 43.932 | -60.009 | 5.0 | -4 hours |
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