TRACER-AQ SITES

Select a Station Aldine Conroe La Porte Liberty Over Water Site Smith Point Galveston Bay UH

NATIONAL

Select a Station Anchorage Annapolis Armstrong FRC Atlanta Austin Bend Bismarck Boise Boston Buffalo Caltech Cape Cod Casper Channelview Chicago Chico Cincinnati Cleveland Conroe Corpus Christi Croix Rd, Manvel Dallas Dallas, Ft Worth Deer Park, TX Denver Detroit Elko Essex Eugene Fairbanks Fairhill Fargo Frenchman Flat, NV Fresno Galveston Great Falls Greenbelt Hartford Honolulu Houston Indianapolis Jacksonville Kansas City La Grande La Parguera, PR Lake Charles Las Vegas Little Rock Los Angeles Louisville Malheur NWR Memphis Miami Miles City Milwaukee Minneapolis Monterey Moody Tower Moses Lake Nashville New Orleans New York Oklahoma City Omaha Orlando Padonia Philadelphia Phoenix Pittsburgh Portland, OR Railroad Valley Raleigh Redding Richmond Rock Springs S Cent, OR Salt Lake City San Antonio San Diego San Francisco San Joaquin Valley San Juan, PR Seattle Sevilleta Shreveport Smith Point Spokane St, George Tampa Tucson Twin Falls Wallops Island, VA Washington DC West Houston White Sands, NM Wichita Winnemucca Yreka

WORLD

Select a Station Acapulco, Mexico Amsterdam, Netherlands Athens, Greece Auckland, New Zealand Bac Lieu, Vietnam BacGiang, Vietnam Baghdad, Iraq Beijing, China Berlin, Germany Bogota, Colombia Brussels, Belgium Buenos Aires, Argentina Cairo, Egypt Calgary Cape Verde Sal Island Chen Kung Univ, Taiwan Chiang Mai Met Sta, Thailand Chiayi, Taiwan Copenhagen, Denmark Doi Ang Khang, Thailand Dongsha, Taiwan Dongying, China Dublin, Ireland Edinburgh, Scotland Edmonton Fuguei Cape, Taiwan Geneva, Switzerland Guanajuato, Mexico Hamilton, Bermuda Helsinki, Finland Hengchun, Taiwan Hok Tsui, Hong Kong Hong Kong PolyU, Hong Kong HongKong, China Jerusalem, Israel Kabul, Afghanistan Kigali, Rwanda Lanyu Island, Taiwan London, England Luang Namtha, Laos Lucca, Italy Lulin Obs, Taiwan Madrid, Spain Manila Obs, Philippines Manila, Philippines Matsu Island, Taiwan Mexico City, Mexico Montreal, Canada Moscow, Russia Mt Yang Ming, Taiwan Mukdahan, Thailand Nassau, Bahamas NCU, Taiwan New Delhi, India NTU, Taiwan Ocean 30N 130W Ocean 38N 125W Ocean, 40N 130W Omkoi, Thailand Oslo, Norway Ottawa Paris, France Penang, Malaysia Pengjiayu Island, Taiwan Pimai, Thailand Prague, Czech Republic Quebec City Ragged Point, Barbados Red River Delta, Vietnam Regina Rio De Janeiro, Brazil Rome, Italy San Nicolas Island, Mexico Silpakorn Univ, Thailand Singapore Songkhla Met Sta, Thailand Stockholm, Sweden Sydney, Australia Taipei, Taiwan Taiping, Taiwan Takoradze, Ghana Tamale, Ghana Tokyo, Japan Toronto, Canada Tp Son La, Vietnam Ubon Ratchthani, Thailand Vienna, Austria Warsaw, Poland Winnipeg

AERONET

Select an Option AFRICA ASIA AUSTRALIA EUROPE NORTH AMERICA SOUTH AMERICA

MEGACITIES

Select a Station Abidjan Accra Addis Ababa Ahmadabad Aleppo Algiers Amman Ankara Anshan Asuncion Athens Atlanta Baghdad Bandkok Bandung Bangalore Barcelona Beijing Belem Belo Honrizonte Berlin Bhilai Birmingham Boston Brasilia Brisbane Bucharest Budapest Buenos Aires Busan Cairo Calcutta Campinas Cape Town Caracas Casablanca Cebu Changchun Changsha Chennai Chicago Chittagong Cincinnati Cleveland Curitiba Daegu Dakar Dalian Dallas Damascus Dar es Salaam Delhi Denver Detroit Dhaka Durban Fortaleza Fukuoka Fuzhou Goiania Guadalajara Guangzhou Guatemala City Gujranwala Hamburg Harare Harbin Hong Kong Houston Hyderabad Hyderabad2 Ibadan Isfahan Istanbul Izmir Jaipur Jakarta Jidda Jinan Johannesburg Kabul Kampala Kano Kanpur Kansas City Kaohsiung Karachi Katowice Khartoum Kiev Kinshasa Kumasi Kunming Lagos Lahore Lanzhou Lisbon London Los Angeles Luanda Lucknow Lyallpur Madrid Manila Melbourne Meshed Mexico City Miami Milan Minneapolis Monterrey Montreal Moskow Mumbai Munich Nagoya Nagpur Nairobi Nanchang Nanjing Nanning Naples New York City Ningbo Orlando Osaka Paris Patna Philadelphia Phoenix Pittsburgh Port-au-Prince Portland Porto Alegre Pretoria Pune Pyongyang Qingdao Quanzhou Rangoon Rawalpindi Rio de Janeiro Rome Ruhr Sacramento Saigon Saint Louis Saint Petersburg Salvador San Antonio San Diego San Francisco San Juan Sana'a Santiago Santo Domingo Sao Paulo Seatle Seoul Shanghai Shantou Shenyang Shenzhen Shijiazhuang Stockholm Surabaya Surat Suzhou Sydney Taichung Taipei Taiyuan Tampa Tashkent Tehran Tel Aviv-Jaffa Tianjin Tokyo Toronto Tunis Urumqi Vancouver Vienna Warsaw Washington Whenzhou Wuhan Wuxi Xi'an Zhengzhou Zibo

ACTIVE CAMPAIGNS

Select an Option ABOVE ACCLIP AGES+ ARCSIX ASIA-AQ BLUEFLUX GOTHAAM MBARS MOSAIC PACEPAX PRDUST SARP SARP-2026 SARP-WEST SARPEAST SCOAPE-II TRACER-AQ WE-CAN WHYMSIE

TCCON

Select a Station Anmyeondo, South Korea Ascension Island Bialystok, Poland Bremen, Germany Burgos, Philippines Darwin, Australia East Trout Lake, Canada Edwards, California Eureka, Canada Four Corners, New Mexico Garmisch, Germany Hefei, China Indianapolis, Indiana Izana, Spain Karlsruhe, Germany Lamont, Oklahoma Lauder, New Zealand Manaus, Brazil Nicosia, Cyprus Ny Alesund, Norway" Orleans, France Paris, France Park Falls, Wisconsin Pasadena, California Reunion Island Rikubetsu, Japan Saga, Japan Sodankyla, Finland Tsukuba, Japan Wollongong, Australia Zugspitze, Germany

NOAA OBSPACK

Select a Station Alert, Canada (ALT) Amsterdam Island (AMS) Arembepe, Brazil (ABP) Ascension Island (ASC) Azores (AZR) Barrow, Alaska (BRW) Cape Grim, Australia (CGO) Cape Kumukahi, Hawaii (KUM) Christmas Island (CHR) Cold Bay, Alaska (CBA) Crozet Island (CRZ) Guam (GMI) Halley Station, Antarctica (HBA) Iceland (ICE) Key Biscayne, Florida (KEY) Mace Head, Ireland (MHD) Mauna Loa, Hawaii (MLO) Midway (MID) Mould Bay, Canada (MBC) Ny Alesund (ZEP) Ocean Station M (STM) Palmer Station, Antarctica (PSA) Ragged Point, Barbados (RPB) Samoa (SMO) Shemya Island, Alaska (SHM) South Pole, Antarctica (SPO) St, Croix (AVI) St, Davids Head, Bermuda (BME) Syowa Station, Antarctica (SYO) Tudor Hill, Bermuda (BMW)