14) { $gdate = $gdate2; } if($ghr < 3) { $gdate = "$yester"."12"; } echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; echo "\"Latest"; } ?> Global Nitrogen Dioxide Monitoring Home Page "; echo ""; } ?>
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Global Nitrogen Dioxide Monitoring Home Page



AURA OMI average tropospheric NO2 maps  
 
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Clickable map of the world for nitrogen dioxide concentrations Abidjan, Cote dIvoire -8.5% Abu Dhabi, U.A.E. -12.1% Abuja, Nigeria +7.6% Accra, Ghana -4.3% Addis Ababa, Ethiopia +6.7% Alexandria, Egypt -21.7% Algiers, Algiera -24.9% Asmara, Eritrea +4.6% Bamako, Mali -16.0% Bangui, Central African Republ -22.8% Banjul, Gambia -4.9% Bata, Equatorial Guinea -0.9% Bissau, Guinea-Bissau -1.2% Brazzaville, Rep. of Congo -9.7% Cairo, Egypt -12.5% Cape Town, South Africa -6.9% Conakry, Guinea -10.1% Dakar, Senegal +15.5% Dar Es Salaam, Tanzania -8.2% Djibouti, Djibouti +7.0% Durban, South Africa +28.3% Freetown, Sierra Leone +1.2% Gaborone, Botswana +24.1% Harare, Zimbabwe +2.8% Johannesburg, South Africa -34.5% Kampala, Uganda -10.4% Kano, Nigeria -11.9% Khartoum, Sudan -15.8% Juba, South Sudan -33.4% Kinshasa, Congo -5.6% Laayoune, Western Sahara +0.8% Lagos, Nigeria -20.5% Libreville, Gabon -6.2% Lilongwe, Malawi +2.3% Lome, Togo +20.1% Luanda, Angola -18.5% Maputo, Mozambique -12.6% Maseru, LeSotho +12.1% Mogadishu, Somalia +8.5% Monrovia, Liberia +32.7% Muscat, Oman -7.5% Nairobi, Kenya -18.0% Niamey, Niger -17.9% NDjamena, Chad +9.9% Nouakchott, Mauritania -11.4% Ouagadougou, Burkina Faso +5.7% Porto-Novo, Benin +24.6% Rabat, Morocco -23.6% Sanaa, Yemen -7.0% Tananarive, Madagascar +37.6% Tripoli, Libya -18.4% Tunis, Tunisia -32.4% Windhoek, Namibia -14.7% Yaounde, Cameroon -12.3% Ahmedabad, India -13.8% Aichi, Japan -2.4% Ankara, Turkey -7.7% Ashgabat, Turkmenistan +8.4% Astana, Kazakhstan +1.5% Baku, Azervbijan +1.6% Bandung, Indonesia +0.0% Bangkok, Thailand -31.7% Beijing, China +1.2% Bengaluru, India -10.4% Bhopal, India +5.1% Bishkek, Kyrgystan +12.8% Busan, South Korea -31.3% Calcutta, India -19.8% Chengdu, China +0.0% Chennai, India +10.7% Chittagong, Bangladesh +13.0% Chongqing, China +0.0% Colombo, Sri Lanka -19.8% Daegu, South Korea -24.4% Daesan, South Korea +25.7% Dalian, China +1.7% Dhaka, Bangladesh +20.9% Dongguan, China +0.0% Dushanbe, Tajikistan +0.8% Fukuoka, Japan -20.7% Fuzhou, China +1.9% Gaziantep, Turkey -1.2% Guangzhou, China +17.7% Hangzhou, China -4.8% Harbin, China -9.1% Hanoi, Vietnam -3.6% Ho Chi Minh City, Vietnam -4.7% Hong Kong, China -25.0% Hyderabad_IN, India -21.6% Hyderabad_PA, Pakistan -13.7% Islamabad, Pakistan -5.6% Istanbul, Turkey -10.0% Jakarta, Indonesia -8.1% Kabul, Afghanistan -7.6% Kanpur, India +13.1% Karachi, Pakistan -2.4% Kathmandu, Nepal -0.3% Kiev, Ukraine -26.9% Kuala Lumpur, Malasia +14.2% Khulna, Bangladesh -26.2% Lahore, Pakistan -12.7% Manila, Philippines -10.0% Moscow, Russia -20.3% Mumbai, India -33.5% Nagasaki, Japan -16.6% Nagoya, Japan +3.3% Nagpur, India -12.1% Nanjing, China -17.0% New Delhi, India -12.0% Norilsk, Russia +4.3% Odessa, Ukraine +1.4% Osaka, Japan -27.2% Patna, India -2.6% Peshawar, Pakistan +12.2% Phnom Penh, Cambodia -5.9% Pokhara, Nepal -2.0% Port Moresby, Papau New Guinea +24.2% Pune, India -11.8% Pyongyang, North Korea -9.1% Quanzhou, China -10.7% Quetta, Pakistan +23.2% Qingdao, China -11.9% Saint Petersburg, Russia -17.1% Seoul, South Korea -38.0% Shanghai, China -24.5% Shenyang, China -11.4% Shenzhen, China -23.1% Singapore, Singapore -34.3% Surabaya, Indonesia -1.0% Surat, India -15.3% Suzhou, China -20.0% Taipei, Taiwan -16.2% Tashkent, Uzbekistan +17.6% Tbilisi, Georgia -8.3% Thimphu, Bhutan +49.9% Tianjin, China -2.0% Tokyo, Japan -11.0% Ulaanbaatar, Mongolia -15.7% Vladivostok, Russia +17.5% Vientiane, Laos +33.5% Wuhan, China -3.2% Xian, China +0.0% Yangoon, Myanmar -20.1% Yerevan, Armenia -6.5% Zhengzhou, China +0.0% Adelaide, Australia -5.8% Auckland, New Zealand -15.4% Brisbane, Australia -23.0% Darwin, Australia -4.5% Hobart, Tasmania -18.8% Melbourne, Australia -28.4% Perth, Australia -11.5% Sydney, Australia -3.9% Wellington, New Zealand -21.6% Chihuahua, Mexico +1.0% Guadalajara, Mexico -6.3% Guatemala City, Guatemala -14.2% Havana, Cuba -6.4% Kingston, Jamaica -4.0% Managua, Nicaragua +10.3% Mazatlan, Mexico +1.4% Mexico City, Mexico -21.4% Monclova, Mexico -14.1% Monterrey, Mexico +11.7% Panama City, Panama -5.3% Port-au-Prince, Haiti -4.6% San Jose, Costa Rica +0.0% San Salvador, El Salvador -7.6% Tegucigalpa, Honduras -4.9% Veracruz, Mexico -11.7% Aberdeen, Scotland +14.9% Amsterdam, Netherlands +0.0% Athens, Greece -6.7% Barcelona, Spain -23.8% Belfast, Northern Ireland -3.2% Belgrade, Serbia -28.7% Berlin, Germany -29.1% Birmingham_UK, England -29.5% Bordeaux, France +1.1% Brandenburg, Germany -11.6% Bremen, Germany -11.1% Bristol, England -50.5% Brussels, Belgium +0.0% Bucharest, Romania -19.9% Budapest, Hungary -24.4% Copenhagen, Denmark -12.3% Dublin, Ireland -14.7% Edinburgh, Scotland -6.5% Essen, Germany +0.0% Frankfurt, Germany -19.1% Glasgow, Scotland +1.2% Hamburg, Germany +15.5% Leeds, England +0.0% Helsinki, Finland +15.8% Lisbon, Portugal -32.8% Liverpool, England -27.8% London, United Kingdom +0.0% Lyons, France +0.0% Madrid, Spain -26.8% Manchester, England -32.3% Marseilles, France -29.6% Milan, Italy -25.5% Minsk, Belarus -10.5% Munich, Germany +2.6% Naples, Italy -16.0% Newcastle-on-Tyne, England -19.1% Nuuk, Greenland +26.1% Oslo, Norway +21.6% Paris, France -61.9% Port of Dunkirk, France -55.3% Port of Ghent, Belgium +0.0% Plymouth, England +0.0% Prague, Czech Republic -31.7% Reykjavik, Iceland -11.0% Riga, Latvia +27.9% Rome, Italy -13.8% Sofia, Bulgaria -20.6% Stockholm, Sweden -5.7% Tallinn, Estonia -14.7% Venice, Italy +7.1% Vienna, Austria -3.0% Vilnius, Lithuania +15.8% Warsaw, Poland -3.2% Zurich, Switzerland -14.1% Aleppo, Syria +3.2% Baghdad, Iraq +8.4% Beirut, Lebanon -13.4% Damascus, Syria -7.5% Homs, Syria -12.3% Jerusalem, Israel -11.4% Kirkuk, Iraq -2.7% Kuwait City, Kuwait -1.1% Mecca, Saudi Arabia -21.6% Mosul, Iraq +22.4% Tehran, Iran +1.3% Riyadh, Saudi Arabia -13.3% Albuquerque, USA +0.5% Atlanta, USA -5.7% Austin, USA -25.9% Baltimore, USA -30.2% Birmingham_US, USA -14.7% Boston, USA -14.3% Buffalo, USA +2.9% Missoula, USA +22.9% Calgary, Canada -15.1% Chicago, USA -5.2% Charlotte, USA -16.0% Cincinnati, USA -1.3% Cleveland, USA -31.4% Dallas-Fort Worth, USA +8.7% Denver, USA -19.0% Detroit, USA -26.3% Edmonton, Canada -24.5% Houston, USA -9.8% Indianapolis, USA +1.8% Jacksonville, USA -44.5% Kansas City, USA -31.2% Oklahoma City, USA +14.8% Las Vegas, USA +12.5% Los Angeles, USA -5.9% Memphis, USA -13.2% Miami, USA -2.6% Milwaukee, USA +12.7% Minneapolis, USA +16.3% Montreal, Canada -10.3% Nashville, USA +6.1% New Orleans, USA -26.7% New York, USA +0.3% Orlando, USA -16.6% Ottawa, Canada +0.0% Portland, USA -11.9% Philadelphia, USA -20.2% Phoenix-Mesa, USA -8.1% Pittsburgh, USA -26.9% Quebec, Canada +0.0% Raleigh, USA -31.4% Salt Lake City, USA -8.1% San Antonio, USA -20.3% San Diego, USA -3.5% San Francisco-San Jose, USA -3.1% Saint Louis, USA -9.8% Sacramento, USA +7.3% Seattle, USA -24.1% Spokane, USA -13.6% Tampa, USA -22.9% Toronto, Canada +1.4% Vancouver, Canada +12.5% Washington D.C., USA -30.8% Asuncion, Paraguay +51.0% Belem, Brazil +10.6% Belo Horizonte, Brazil +21.8% Bogota, Colombia +11.2% Buenos Aires, Argentina -16.8% Caracas, Venezuela -21.8% Cayenne, French_Guiana -27.0% Cordoba, Argentina +12.9% Georgetown, Guyana +24.8% Guayaquil, Ecuador +26.6% Iquique, Chile +1.9% La Paz, Bolivia +32.9% Lima, Peru -17.6% Medellin, Colombia -17.0% Montevideo, Uruguay -5.9% Paramaribo, Suriname -2.9% Porto Alegre, Brazil +1.9% Recife, Brazil -29.5% Rio de Janeiro, Brazil +9.0% Salvador, Brazil -14.9% Santiago, Chile -15.0% Sao Paulo, Brazil +0.9%