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


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AURA OMI average tropospheric NO2 maps  
 
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Clickable map of the world for nitrogen dioxide concentrations Abidjan, Cote dIvoire -1.6% Dubai, U.A.E. -12.1% Abu Dhabi, U.A.E. -16.9% Abuja, Nigeria -1.4% Accra, Ghana -12.8% Addis Ababa, Ethiopia -41.8% Alexandria, Egypt -41.1% Algiers, Algiera +9.1% Asmara, Eritrea +5.0% Bamako, Mali +9.1% Bangui, Central African Republ +18.0% Banjul, Gambia +13.2% Bata, Equatorial Guinea +21.6% Bissau, Guinea-Bissau -25.5% Brazzaville, Rep. of Congo -17.5% Cairo, Egypt +0.2% Cape Town, South Africa +5.1% Conakry, Guinea +89.7% Dakar, Senegal -5.1% Dar Es Salaam, Tanzania +45.4% Djibouti, Djibouti -5.9% Durban, South Africa -12.4% Freetown, Sierra Leone -13.2% Gaborone, Botswana +2.6% Harare, Zimbabwe +29.0% Johannesburg, South Africa -0.4% Kampala, Uganda +8.7% Kano, Nigeria -15.2% Khartoum, Sudan +0.4% Juba, South Sudan -8.0% Kinshasa, Congo -21.2% Laayoune, Western Sahara -14.2% Lagos, Nigeria -20.8% Libreville, Gabon +49.7% Lilongwe, Malawi +28.0% Lome, Togo +0.6% Luanda, Angola -16.1% Maputo, Mozambique -49.6% Maseru, LeSotho +10.8% Mogadishu, Somalia +26.4% Monrovia, Liberia -5.2% Muscat, Oman -6.8% Nairobi, Kenya +26.6% Niamey, Niger -32.9% NDjamena, Chad -17.2% Nouakchott, Mauritania +13.1% Ouagadougou, Burkina Faso -20.9% Porto-Novo, Benin -15.6% Rabat, Morocco +24.1% Sanaa, Yemen -7.7% Tananarive, Madagascar -10.4% Tripoli, Libya -13.9% Tunis, Tunisia -17.9% Windhoek, Namibia -2.9% Yaounde, Cameroon +15.3% Ahmedabad, India +32.7% Aichi, Japan -22.2% Ankara, Turkey -26.7% Ashgabat, Turkmenistan -16.8% Astana, Kazakhstan -32.1% Baku, Azervbijan +7.8% Bandung, Indonesia +0.0% Bangkok, Thailand -4.2% Beijing, China -20.9% Bengaluru, India -13.3% Bhopal, India +34.4% Bishkek, Kyrgystan +11.5% Busan, South Korea -26.9% Calcutta, India +33.4% Chengdu, China +46.0% Chennai, India +0.2% Chittagong, Bangladesh +37.1% Chongqing, China +17.5% Colombo, Sri Lanka -5.0% Daegu, South Korea +2.3% Daesan, South Korea -28.3% Dalian, China -14.2% Dhaka, Bangladesh +40.8% Dongguan, China +1.0% Dushanbe, Tajikistan +28.1% Fukuoka, Japan -2.4% Fuzhou, China +14.7% Gaziantep, Turkey +35.5% Guangzhou, China +3.5% Hangzhou, China +0.4% Harbin, China +16.9% Hanoi, Vietnam +0.0% Ho Chi Minh City, Vietnam +6.0% Hong Kong, China -7.1% Hyderabad_IN, India +1.8% Hyderabad_PA, Pakistan +3.7% Islamabad, Pakistan -2.3% Istanbul, Turkey +17.5% Jakarta, Indonesia -25.5% Kabul, Afghanistan -10.5% Kanpur, India +18.2% Karachi, Pakistan +10.9% Kathmandu, Nepal +44.2% Kiev, Ukraine +23.9% Kuala Lumpur, Malasia +10.1% Khulna, Bangladesh +33.7% Lahore, Pakistan -8.5% Manila, Philippines -6.3% Moscow, Russia -15.1% Mumbai, India -6.8% Nagasaki, Japan -12.8% Nagoya, Japan -20.9% Nagpur, India +30.1% Nanjing, China -24.0% New Delhi, India -18.4% Norilsk, Russia +10.8% Odessa, Ukraine -13.6% Osaka, Japan -34.2% Patna, India +13.5% Peshawar, Pakistan +2.1% Phnom Penh, Cambodia +18.5% Pokhara, Nepal +36.8% Port Moresby, Papau New Guinea +44.5% Pune, India -8.5% Pyongyang, North Korea -18.1% Quanzhou, China +24.6% Quetta, Pakistan +7.0% Qingdao, China +11.0% Saint Petersburg, Russia -3.8% Seoul, South Korea -18.7% Shanghai, China -27.2% Shenyang, China +9.0% Shenzhen, China -2.7% Singapore, Singapore -3.1% Surabaya, Indonesia -17.2% Surat, India +12.6% Suzhou, China -15.4% Taipei, Taiwan -7.9% Tashkent, Uzbekistan +1.9% Tbilisi, Georgia -6.9% Thimphu, Bhutan +71.4% Tianjin, China -21.8% Tokyo, Japan -16.1% Ulaanbaatar, Mongolia -8.9% Vladivostok, Russia -9.2% Vientiane, Laos -20.3% Wuhan, China +0.0% Xian, China +33.6% Yangoon, Myanmar -17.1% Yerevan, Armenia -19.0% Zhengzhou, China -0.6% Adelaide, Australia +10.3% Auckland, New Zealand +19.1% Brisbane, Australia +0.7% Darwin, Australia -3.3% Hobart, Tasmania +3.3% Melbourne, Australia +26.5% Perth, Australia -4.6% Sydney, Australia -30.6% Wellington, New Zealand -30.5% Chihuahua, Mexico -13.9% Guadalajara, Mexico +3.9% Guatemala City, Guatemala +10.2% Havana, Cuba +6.9% Kingston, Jamaica -22.4% Managua, Nicaragua +21.5% Mazatlan, Mexico -2.4% Mexico City, Mexico -2.6% Monclova, Mexico -21.0% Monterrey, Mexico +19.3% Panama City, Panama +16.6% Port-au-Prince, Haiti -8.2% San Jose, Costa Rica -1.9% San Salvador, El Salvador -9.1% Tegucigalpa, Honduras -27.2% Veracruz, Mexico +25.7% Aberdeen, Scotland +3.8% Amsterdam, Netherlands -6.6% Athens, Greece +17.1% Barcelona, Spain -19.9% Belfast, Northern Ireland -17.8% Belgrade, Serbia +22.6% Berlin, Germany +9.2% Birmingham_UK, England -34.7% Bordeaux, France -35.5% Brandenburg, Germany -10.8% Bremen, Germany -24.7% Bristol, England -24.5% Brussels, Belgium -39.1% Bucharest, Romania +23.1% Budapest, Hungary -6.0% Copenhagen, Denmark -6.7% Dublin, Ireland +0.9% Edinburgh, Scotland -25.3% Essen, Germany -24.7% Frankfurt, Germany -46.8% Glasgow, Scotland -26.2% Hamburg, Germany -13.4% Leeds, England -3.0% Helsinki, Finland -34.1% Lisbon, Portugal +1.3% Liverpool, England -26.6% London, United Kingdom -43.1% Lyons, France -47.0% Madrid, Spain -2.2% Manchester, England -22.6% Marseilles, France -22.9% Milan, Italy -18.6% Minsk, Belarus -38.2% Munich, Germany -31.0% Naples, Italy +1.0% Newcastle-on-Tyne, England +0.7% Nuuk, Greenland +0.0% Oslo, Norway +46.8% Paris, France -30.9% Port of Dunkirk, France -15.6% Port of Ghent, Belgium -11.4% Plymouth, England -12.2% Prague, Czech Republic -13.4% Reykjavik, Iceland +0.0% Riga, Latvia -34.1% Rome, Italy +2.1% Sofia, Bulgaria -11.2% Stockholm, Sweden -7.0% Tallinn, Estonia -22.5% Venice, Italy -19.7% Vienna, Austria +8.0% Vilnius, Lithuania -48.5% Warsaw, Poland -16.1% Zurich, Switzerland -37.1% Aleppo, Syria -8.7% Baghdad, Iraq -35.8% Beirut, Lebanon -33.3% Damascus, Syria -20.2% Homs, Syria -25.6% Jerusalem, Israel -50.4% Kirkuk, Iraq -1.2% Kuwait City, Kuwait -2.6% Mecca, Saudi Arabia -5.5% Mosul, Iraq +34.3% Tehran, Iran +1.3% Riyadh, Saudi Arabia +7.3% Albuquerque, USA +21.7% Atlanta, USA -37.0% Austin, USA -8.1% Baltimore, USA -30.4% Birmingham_US, USA -39.7% Boston, USA -36.2% Buffalo, USA -51.8% Missoula, USA -3.8% Calgary, Canada +8.8% Chicago, USA -36.6% Charlotte, USA -27.4% Cincinnati, USA -31.4% Cleveland, USA -26.0% Dallas-Fort Worth, USA +0.2% Denver, USA -26.3% Detroit, USA -7.2% Edmonton, Canada +54.7% Houston, USA -13.5% Indianapolis, USA -15.6% Jacksonville, USA -30.6% Kansas City, USA -6.1% Oklahoma City, USA +10.0% Las Vegas, USA +0.2% Los Angeles, USA -3.7% Memphis, USA -0.9% Miami, USA -24.5% Milwaukee, USA +11.3% Minneapolis, USA +42.9% Montreal, Canada -11.9% Nashville, USA -19.3% New Orleans, USA -16.6% New York, USA -2.4% Orlando, USA -11.5% Ottawa, Canada +52.2% Portland, USA -4.9% Philadelphia, USA -31.9% Phoenix-Mesa, USA +8.5% Pittsburgh, USA -36.2% Quebec, Canada +59.0% Raleigh, USA -15.5% Salt Lake City, USA -49.9% San Antonio, USA -8.6% San Diego, USA +1.9% San Francisco-San Jose, USA -22.5% Saint Louis, USA -25.0% Sacramento, USA +2.1% Seattle, USA -1.2% Spokane, USA -7.0% Tampa, USA -11.7% Toronto, Canada -14.2% Vancouver, Canada -15.6% Washington D.C., USA -32.5% Asuncion, Paraguay -20.6% Belem, Brazil -7.7% Belo Horizonte, Brazil +3.5% Bogota, Colombia +0.0% Buenos Aires, Argentina +39.5% Caracas, Venezuela -7.8% Cayenne, French_Guiana -19.5% Cordoba, Argentina +26.9% Georgetown, Guyana -32.4% Guayaquil, Ecuador +14.6% Iquique, Chile -9.8% La Paz, Bolivia +0.0% Lima, Peru -10.8% Medellin, Colombia +57.3% Montevideo, Uruguay +12.6% Paramaribo, Suriname -16.0% Porto Alegre, Brazil +1.4% Recife, Brazil -10.8% Rio de Janeiro, Brazil +1.1% Salvador, Brazil -17.5% Santiago, Chile -11.2% Sao Paulo, Brazil -3.0%