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 -5.6% Abu Dhabi, U.A.E. -21.0% Abuja, Nigeria +0.5% Accra, Ghana +8.2% Addis Ababa, Ethiopia +0.0% Alexandria, Egypt -18.0% Algiers, Algiera -19.8% Asmara, Eritrea +16.3% Bamako, Mali -9.1% Bangui, Central African Republ +43.9% Banjul, Gambia -19.2% Bata, Equatorial Guinea +10.0% Bissau, Guinea-Bissau -0.6% Brazzaville, Rep. of Congo +15.8% Cairo, Egypt -24.1% Cape Town, South Africa -19.0% Conakry, Guinea +0.0% Dakar, Senegal +6.4% Dar Es Salaam, Tanzania -8.6% Djibouti, Djibouti +18.2% Durban, South Africa -3.0% Freetown, Sierra Leone -3.2% Gaborone, Botswana +15.1% Harare, Zimbabwe +3.5% Johannesburg, South Africa -19.1% Kampala, Uganda -15.2% Kano, Nigeria -5.1% Khartoum, Sudan -10.7% Kinshasa, Congo +14.8% Laayoune, Western Sahara -0.6% Lagos, Nigeria -19.1% Libreville, Gabon +36.0% Lilongwe, Malawi +33.6% Lome, Togo -39.9% Luanda, Angola -15.5% Maputo, Mozambique -26.9% Maseru, LeSotho -19.6% Mogadishu, Somalia +14.2% Monrovia, Liberia +15.1% Muscat, Oman -11.7% Nairobi, Kenya -26.8% Niamey, Niger +4.4% NDjamena, Chad -3.6% Nouakchott, Mauritania +1.1% Ouagadougou, Burkina Faso +21.0% Porto-Novo, Benin +10.5% Rabat, Morocco -16.3% Sanaa, Yemen -15.1% Tananarive, Madagascar +12.8% Tripoli, Libya -11.1% Tunis, Tunisia +4.8% Windhoek, Namibia -5.0% Yaounde, Cameroon +0.0% Ahmedabad, India +19.5% Aichi, Japan -13.7% Ankara, Turkey -14.2% Ashgabat, Turkmenistan +10.9% Astana, Kazakhstan -25.6% Baku, Azervbijan +12.2% Bandung, Indonesia +0.0% Bangkok, Thailand -14.9% Beijing, China -31.7% Bengaluru, India +0.0% Bhopal, India +52.2% Bishkek, Kyrgystan -4.9% Busan, South Korea +19.0% Calcutta, India -23.2% Chengdu, China +2.8% Chennai, India -21.6% Chittagong, Bangladesh -21.4% Chongqing, China -3.7% Colombo, Sri Lanka +18.2% Daegu, South Korea +0.0% Daesan, South Korea -6.0% Dalian, China -29.6% Dhaka, Bangladesh -18.0% Dongguan, China -18.5% Dushanbe, Tajikistan -15.1% Fukuoka, Japan -25.4% Fuzhou, China +11.4% Gaziantep, Turkey +5.4% Guangzhou, China -21.0% Hangzhou, China -22.7% Harbin, China -32.8% Juba, Vietnam +3.8% Ho Chi Minh City, Vietnam +3.5% Hong Kong, China -21.8% Hyderabad_IN, India +17.7% Hyderabad_PA, Pakistan -16.0% Islamabad, Pakistan +12.4% Istanbul, Turkey -18.7% Jakarta, Indonesia -31.5% Kabul, Afghanistan -9.6% Kanpur, India +15.0% Karachi, Pakistan +10.7% Kathmandu, Nepal +10.9% Kiev, Ukraine +9.4% Kuala Lumpur, Malasia -10.2% Khulna, Bangladesh -23.7% Lahore, Pakistan -2.3% Manila, Philippines +0.0% Moscow, Russia +25.3% Mumbai, India +106.7% Nagasaki, Japan -24.6% Nagoya, Japan -14.9% Nagpur, India +41.3% Nanjing, China -11.3% New Delhi, India -3.4% Norilsk, Russia -10.1% Odessa, Ukraine -4.4% Osaka, Japan -20.1% Patna, India +15.7% Peshawar, Pakistan +10.9% Phnom Penh, Cambodia +16.1% Pokhara, Nepal +5.6% Port Moresby, Papau New Guinea -19.2% Pune, India +0.0% Pyongyang, North Korea -9.1% Quanzhou, China -1.7% Quetta, Pakistan +2.6% Qingdao, China -7.1% Saint Petersburg, Russia +1.2% Seoul, South Korea +0.0% Shanghai, China -21.3% Shenyang, China -13.2% Shenzhen, China -19.5% Singapore, Singapore -29.5% Surabaya, Indonesia -7.3% Surat, India +35.2% Suzhou, China -26.5% Taipei, Taiwan -33.7% Tashkent, Uzbekistan -15.1% Tbilisi, Georgia +13.4% Thimphu, Bhutan +0.0% Tianjin, China -19.7% Tokyo, Japan -40.3% Ulaanbaatar, Mongolia -19.8% Vladivostok, Russia -14.0% Vientiane, Laos +71.3% Wuhan, China -12.8% Xian, China -1.6% Yangoon, Myanmar +14.7% Yerevan, Armenia +15.0% Zhengzhou, China -19.6% Adelaide, Australia +9.3% Auckland, New Zealand +7.9% Brisbane, Australia -4.6% Darwin, Australia -22.6% Hobart, Tasmania -19.6% Melbourne, Australia +18.1% Perth, Australia +18.5% Sydney, Australia -17.0% Wellington, New Zealand -10.6% Chihuahua, Mexico +2.2% Guadalajara, Mexico -11.8% Guatemala City, Guatemala -11.2% Havana, Cuba -10.8% Kingston, Jamaica -3.6% Managua, Nicaragua -5.2% Mazatlan, Mexico -16.6% Mexico City, Mexico -33.1% Monclova, Mexico +7.0% Monterrey, Mexico +1.2% Panama City, Panama -11.6% Port-au-Prince, Haiti -4.5% San Jose, Costa Rica -16.9% San Salvador, El Salvador -2.9% Tegucigalpa, Honduras +2.9% Veracruz, Mexico -4.1% Aberdeen, Scotland -33.6% Amsterdam, Netherlands -37.2% Athens, Greece +3.6% Barcelona, Spain -26.4% Belfast, Northern Ireland +31.3% Belgrade, Serbia -11.8% Berlin, Germany -30.3% Birmingham_UK, England -8.7% Bordeaux, France -15.8% Brandenburg, Germany -42.1% Bremen, Germany -10.7% Bristol, England -15.9% Brussels, Belgium -26.5% Bucharest, Romania +2.9% Budapest, Hungary -37.8% Copenhagen, Denmark -39.9% Dublin, Ireland -10.8% Edinburgh, Scotland -20.1% Essen, Germany -29.1% Frankfurt, Germany -38.4% Glasgow, Scotland -0.2% Hamburg, Germany -22.1% Leeds, England -33.0% Helsinki, Finland -19.2% Lisbon, Portugal -8.8% Liverpool, England +14.2% London, United Kingdom -29.4% Lyons, France -16.8% Madrid, Spain -20.2% Manchester, England +0.8% Marseilles, France -11.6% Milan, Italy -26.0% Minsk, Belarus -0.8% Munich, Germany -28.3% Naples, Italy -18.9% Newcastle-on-Tyne, England -29.3% Nuuk, Greenland +25.6% Oslo, Norway +3.9% Paris, France -33.9% Port of Dunkirk, France -34.0% Port of Ghent, Belgium -20.5% Plymouth, England -13.5% Prague, Czech Republic -35.1% Reykjavik, Iceland +0.0% Riga, Latvia -22.3% Rome, Italy -9.5% Sofia, Bulgaria +0.2% Stockholm, Sweden -9.1% Tallinn, Estonia -10.9% Venice, Italy -23.4% Vienna, Austria -23.7% Vilnius, Lithuania -21.5% Warsaw, Poland -26.8% Zurich, Switzerland -25.7% Aleppo, Syria +9.4% Baghdad, Iraq +6.0% Beirut, Lebanon -26.7% Damascus, Syria -10.5% Homs, Syria -12.7% Jerusalem, Israel -12.9% Kirkuk, Iraq +8.2% Kuwait City, Kuwait -9.4% Mecca, Saudi Arabia -41.5% Mosul, Iraq +30.5% Tehran, Iran -5.6% Riyadh, Saudi Arabia -35.8% Albuquerque, USA -0.7% Atlanta, USA -2.7% Austin, USA -5.1% Baltimore, USA -20.4% Birmingham_US, USA +4.7% Boston, USA -20.6% Buffalo, USA +1.3% Missoula, USA +6.6% Calgary, Canada -3.8% Chicago, USA -23.3% Charlotte, USA -10.9% Cincinnati, USA -12.6% Cleveland, USA +9.2% Dallas-Fort Worth, USA -1.3% Denver, USA -24.7% Detroit, USA -13.8% Edmonton, Canada -31.8% Houston, USA -2.7% Indianapolis, USA -3.6% Jacksonville, USA -7.8% Kansas City, USA -3.6% Oklahoma City, USA -2.1% Las Vegas, USA -19.3% Los Angeles, USA -22.9% Memphis, USA +21.0% Miami, USA -13.7% Milwaukee, USA -38.6% Minneapolis, USA -8.5% Montreal, Canada -24.5% Nashville, USA -4.5% New Orleans, USA -1.5% New York, USA -21.3% Orlando, USA +2.0% Ottawa, Canada -18.9% Portland, USA -17.9% Philadelphia, USA -15.1% Phoenix-Mesa, USA -16.0% Pittsburgh, USA -10.5% Quebec, Canada -23.2% Sacramento, USA -26.2% Salt Lake City, USA -12.7% San Antonio, USA -3.3% San Diego, USA -11.7% San Francisco-San Jose, USA -21.8% Saint Louis, USA +8.8% Seattle, USA -23.0% Spokane, USA -29.1% Tampa, USA +14.6% Toronto, Canada -11.1% Vancouver, Canada -17.5% Washington D.C., USA -11.9% Asuncion, Paraguay -11.8% Belem, Brazil +4.0% Belo Horizonte, Brazil -27.9% Bogota, Colombia +0.0% Buenos Aires, Argentina -20.9% Caracas, Venezuela +11.7% Cayenne, French_Guiana +6.9% Cordoba, Argentina +3.6% Georgetown, Guyana +68.4% Guayaquil, Ecuador -11.2% Iquique, Chile +36.8% La Paz, Bolivia +27.9% Lima, Peru -31.3% Medellin, Colombia +19.5% Montevideo, Uruguay -9.8% Paramaribo, Suriname +11.2% Porto Alegre, Brazil -14.6% Recife, Brazil -23.1% Rio de Janeiro, Brazil -32.6% Salvador, Brazil +4.5% Santiago, Chile -33.8% Sao Paulo, Brazil -18.1%