Position Country Town / City PM2. 5 PM2. 5 Year PM10 PM10 Year Iran Zabol 217 2012 527 2012 India Gwalior 176 2012 329 2012 India Allahabad 170 2012 317 2012 Saudi Arabia Riyadh 156 2014 368 2014 Saudi Arabia Al Jubail 152 2014 359 2014 6 India Patna 149 2013 167 2012 7 India Raipur 144 2012 268 2012 8 Cameroon Bamenda 132 2012 141 2012 9 China Xingtai 128 2014 193 2014 10 China Baoding 126 2014 190 2014 11 India Delhi 122 2013 229 2012 12 India Ludhiana 122 2012 228 2012 13 China Shijiazhuang 121 2014 305 2013 14 Saudi Arabia Dammam 121 2014 286 2014 15 India Kanpur 115 2012 215 2012 16 India Khanna 114 2012 213 2012 17 India Firozabad 113 2012 212 2012 18 India Lucknow 113 2012 211 2012 19 China Handan 112 2014 169 2014 20 Pakistan Lahore 111 540 21 India Amritsar 108 2012 202 2012 22 India Gobindgarh 108 2012 201 2012 23 Pakistan Rawalpindi 107 448 24 China Hengshui 107 2014 161 2014 25 Bangladesh Narayangonj 106 2014 191 2014 26 Iran Bushehr 105 255 27 India Agra 105 2012 196 2012 28 Uganda Kampala 104 2013 170 2013 29 China Tangshan 102 2014 153 2014 30 India Jodhpur 101 2012 189 2012 31 India Dehradun 100 2012 188 2012 32 India Jaipur 100 2012 187 2012 33 India Howrah 100 2012 186 2012 34 India Ahmedabad 100 2013 83 2012 35 India Faridabad 98 2012 184 2012 36 Saudi Arabia Yanbu 97 2014 230 2014 37 China Langfang 96 2014 144 2014 38 Iran Ahvaz 95 231 39 India Dhanbad 95 2012 178 2012 40 Bangladesh Chittagong 95 2014 135 2014 41 India Bhopal 93 2012 173 2012 42 Qatar Doha 93 2012 168 2012 43 Nigeria Kaduna 90 2013 423 2013 44 India Khurja 90 2012 168 2012 45 Bangladesh Dhaka 90 2014 158 2014 46 Bangladesh Gazipur 89 2014 155 2014 47 Pakistan Karachi 88 2009 290 2009 48 Kuwait Al Shuwaikh 88 2014 212 2014 49 Iraq Baghdad 88 2015 208 2015 50 China Cangzhou 88 2014 133 2014 51 India Raebareli 87 2012 163 2012 52 China Tianjin 87 2014 150 2013 53 Afghanistan Kabul 86 2009 260 2009 54 China Zhengzhou 86 2014 171 2013 55 Qatar Al Wakrah 85 2012 152 2012 56 Bangladesh Barisal 85 2014 142 2014 57 China Beijing 85 2014 108 2013 58 India Kota 84 2012 156 2012 59 India Udaipur 83 2012 155 2012 60 India Alwar 81 2012 152 2012 61 Republic of Macedonia Tetovo 81 2013 140 2013 62 China Wuhan 80 2014 124 2013 63 India Chandrapur 79 2012 148 2012 64 China Anyang 79 2014 119 2014 65 China Hefei 79 2014 115 2013 66 Myanmar Pyin Oo Lwin 78 2012 140 2012 67 China Shouguang 78 2014 117 2014 68 Egypt Greater Cairo 76 2013 179 2013 69 India Indore 76 2012 143 2012 70 Myanmar Taungoo 76 2013 137 2013 71 Myanmar Kyaukphyu 76 2009 136 2009 72 Mongolia Ulaanbaatar 75 165 73 India Jalandhar 75 2012 140 2012 74 Kuwait Ali Subah Al - Salem 74 2014 179 2014 75 Saudi Arabia Makkah 74 2014 176 2014 76 India Akola 74 2012 139 2012 77 India Varanasi 74 2012 138 2012 78 China Jingzhou 74 2014 112 2014 79 China Changsha 74 2014 94 2013 80 India Noida 73 2012 136 2012 81 China Nanjing 72 2014 137 2013 82 China Shenyang 72 2014 129 2013 83 Egypt Delta region 71 2013 167 2013 84 China Chengdu 71 2014 150 2013 85 Myanmar Namkham 71 2012 127 2012 86 China Harbin 71 2014 119 2013 87 China Xi'an 70 2014 189 2013 88 India Jalgaon 70 2012 130 2012 89 China Kaifeng 70 2014 106 2014 90 China Yichang 70 2014 106 2014 91 China Pingdingshan 70 2014 105 2014 92 China Xiangtan 70 2014 105 2014 93 China Yangquan 70 2014 105 2014 94 India Meerut 69 2012 129 2012 95 Myanmar Mawlamyaing 69 2012 124 2012 96 China Zhuzhou 69 2014 105 2014 97 Afghanistan Mazar - e Sharif 68 2009 334 2009 98 Pakistan Lahore 68 198 99 Kuwait Al - Mansouriya 68 2014 165 2014 100 Saudi Arabia Jeddah 68 2014 161 2014 101 China Jiaozuo 68 2014 103 2014 102 China Laiwu 68 2014 103 2014 103 China Jiangyin 68 2014 102 2014 104 China Suqian 68 2014 102 2014 105 China Weinan 68 2014 102 2014 106 China Taiyuan 67 2014 157 2013 107 Mauritius Beau Bassin / Rose Hill , Coromandel 67 2011 131 2011 108 India Raniganj 67 2012 126 2012 109 Myanmar Yenanchaung 67 2009 120 2009 110 Turkey Batman 67 2012 109 2012 111 Turkey Hakkari 67 2012 109 2012 112 Cameroon Bafoussam 67 2012 105 2012 113 China Changzhi 67 2014 101 2014 114 China Wuxi 67 2014 101 2014 115 Nigeria Onitsha 66 2009 594 2009 116 Bahrain Hamad Town 66 2012 318 2012 117 Pakistan Islamabad 66 2011 217 2011 118 Turkey Gaziantep 66 2012 108 2012 119 China Xuzhou 66 2014 100 2014 120 China Zhenjiang 66 2014 99 2014 121 Saudi Arabia Medina 65 2014 153 2014 122 Bosnia and Herzegovina Tuzla 65 106 123 China Changzhou 65 2014 99 2014 124 China Anshan 65 2014 98 2014 125 China Baoji 65 2014 98 2014 126 China Huai'an 65 2014 98 2014 127 China Liuzhou 65 2014 98 2014 128 China Xianyang 65 2014 98 2014 129 China Jurong 65 2014 97 2014 130 China Yangzhou 65 2014 97 2014 131 Bahrain Ma'ameer 64 2012 257 2012 132 Kuwait Al - Ahmadi 64 2014 168 2014 133 Kuwait Al - Salam 64 2014 153 2014 134 China Urumqi 64 2014 146 2013 135 China Changchun 64 2014 130 2013 136 India Navi Mumbai 64 2012 120 2012 137 India Jammu 64 2012 119 2012 138 China Shaoxing 64 2014 105 2013 139 China Suzhou 64 2014 97 2014 140 China Tongchuan 64 2014 97 2014 141 China Zigong 64 2014 97 2014 142 China Sanmenxia 64 2014 96 2014 143 Chile Coyhaique 64 2014 75 2014 144 India Bangalore 63 2012 118 2012 145 India Mumbai 63 2013 117 2012 146 China Huzhou 63 2014 111 2013 147 China Jinhua 63 2014 99 2013 148 China Liaocheng 63 2014 96 2014 149 China Xining 62 2014 163 2013 150 United Arab Emirates Al Gharbia - Bida Zayed 62 2013 146 2013 151 China Linfen 62 2014 94 2014 152 Bangladesh Sylhet 61 2014 170 2014 153 United Arab Emirates Al Gharbia - Gayathi 61 2013 145 2013 154 India Kolkata 61 2014 135 2012 155 Bangladesh Khulna 61 2014 109 2014 156 China Chongqing 61 2014 106 2013 157 China Hangzhou 61 2014 106 2013 158 Turkey Siirt 61 2012 101 2012 159 China Lianyungang 61 2014 92 2014 160 China Wuhu 61 2014 92 2014 161 China Taizhou 61 2014 82 2013 162 South Africa Hartebeespoort 60 2014 119 2014 163 Turkey Afyon 60 2012 98 2012 164 China Heze 60 2014 91 2014 165 China Qinhuangdao 60 2014 91 2014 166 China Zhangjiagang 60 2014 91 2014 167 China Fuyang 60 2014 90 2014 168 China Nantong 60 2014 90 2014 169 India Chandigarh 59 2012 110 2012 170 India Jhansi 59 2012 110 2012 171 India Kolhapur 59 2012 110 2012 172 China Dezhou 59 2014 90 2014 173 China Wafangdian 59 2014 88 2014 174 China Yiwu 59 2014 88 2014 175 China Zhuji 59 2014 88 2014 176 India Hyderabad 59 2014 79 2012 177 Bahrain Nabih Saleh 58 2012 244 2012 178 China Lanzhou 58 2014 153 2013 179 Kuwait Al - Rumaithyia 58 2014 141 2014 180 India Rishikesh 58 2012 109 2012 181 India Sibsagar 58 2012 109 2012 182 India Durgapur 58 2012 108 2012 183 China Pingdu 58 2014 88 2014 184 China Korla 58 2014 87 2014 185 China Lin'an 58 2014 87 2014 186 India Angul 57 2012 106 2012 187 China Quzhou 57 2014 94 2013 188 Turkey Karaman 57 2012 93 2012 189 China Maanshan 57 2014 87 2014 190 China Nanchong 57 2014 86 2014 191 China Yancheng 57 2014 86 2014 192 United Arab Emirates Al Gharbia - Liwa Oasis 56 2013 133 2013 193 United Arab Emirates Abu Dhabi 56 2013 132 2013 194 China Jiaxing 56 2014 94 2013 195 China Luoyang 56 2014 85 2014 196 China Panjin 56 2014 85 2014 197 China Wujiang 56 2014 85 2014 198 China Dalian 56 2014 84 2014 199 China Huludao 56 2014 84 2014 200 China Laixi 56 2014 84 2014 201 China Laizhou 56 2014 84 2014 202 China Linyi 56 2014 84 2014 203 India Bhilai 55 2012 103 2012 204 India Nagda 55 2012 103 2012 205 India Nagpur 55 2012 103 2012 206 India Vadodara 55 2012 102 2012 207 China Zhaoqing 55 2014 85 2013 208 China Jinzhou 55 2014 84 2014 209 China Guilin 55 2014 83 2014 210 China Taian 55 2014 83 2014 211 China Taicang 55 2014 82 2014 212 China Zhaoyuan 55 2014 82 2014 213 China Zibo 55 2014 82 2014 214 Jordan Al - Zarqa 54 2015 128 2015 215 India Jamnagar 54 2012 101 2012 216 India Amravati 54 2012 100 2012 217 India Vapi 54 2012 100 2012 218 Turkey Igdir 54 2012 88 2012 219 China Benxi 54 2014 81 2014 220 China Dongying 54 2014 81 2014 221 China Jining 54 2014 81 2014 222 China Yixing 54 2014 81 2014 223 Iran Kermanshah 53 2011 130 2011 224 India Anklesvar 53 2012 100 2012 225 India Baddi 53 2012 99 2012 226 India Rajkot 53 2012 99 2012 227 China Binzhou 53 2014 80 2014 228 China Changde 53 2014 80 2014 229 China Chengde 53 2014 80 2014 230 China Fushun 53 2014 80 2014 231 China Jiaonan 53 2014 79 2014 232 China Jiaozhou 53 2014 79 2014 233 China Jinan 52 2014 199 2013 234 United Arab Emirates Al Ain 52 2013 123 2013 235 India Rourkela 52 2012 98 2012 236 India Surat 52 2012 97 2012 237 Turkey Isparta 52 2012 86 2012 238 Turkey Duzce 52 2012 85 2012 239 China Shanghai 52 2014 84 2013 240 China Liyang 52 2014 78 2014 241 China Yibin 52 2014 78 2014 242 India Nashik 51 2012 95 2012 243 Myanmar Nyaung Oo 51 2013 91 2013 244 Turkey Bitlis 51 2012 84 2012 245 China Baotou 51 2014 77 2014 246 China Haimen 51 2014 77 2014 247 China Jimo 51 2014 77 2014 248 South Africa Pretoria 51 2014 63 2014 249 Myanmar Kyauk Pa Taung 50 2013 89 2013 250 Turkey Cankiri 50 2012 83 2012 251 Turkey Muş 50 2012 83 2012 252 Turkey Osmaniye 50 2012 82 2012 253 Turkey Sakarya 50 2012 82 2012 254 China Jilin 50 2014 76 2014 255 China Luzhou 50 2014 75 2014 256 China Mudanjiang 50 2014 75 2014 257 Nigeria Aba 49 2009 373 2009 258 Kuwait Al - Jahra 49 2014 117 2014 259 China Nanchang 49 2014 116 2013 260 India Dewas 49 2012 92 2012 261 India Guwahati 49 2012 92 2012 262 India Pune 49 2012 92 2012 263 Nepal Kathmandu 49 2013 88 2013 264 China Guiyang 49 2014 85 2013 265 Turkey Bolu 49 2012 80 2012 266 Turkey Nigde 49 2012 80 2012 267 China Changshu 49 2014 74 2014 268 China Dandong 49 2014 74 2014 269 China Zunyi 49 2014 74 2014 270 China Weifang 49 2014 73 2014 271 China Yueyang 49 2014 73 2014 272 Cameroon Yaoundé 49 2012 65 2012 273 India Silchar 48 2012 91 2012 274 India Dimapur 48 2012 90 2012 275 Peru Lima 48 2013 88 2013 276 China Shaoguan 48 2014 73 2014 277 China Yan'an 48 2014 73 2014 278 China Zaozhuang 48 2014 73 2014 279 China Guangzhou 48 2014 72 2013 280 China Jintan 48 2014 72 2014 281 China Rushan 48 2014 72 2014 282 China Yinchuan 47 2014 118 2013 283 Kuwait Al - Mutla 47 2014 114 2014 284 Iran Hamadan 47 2013 114 2013 285 Iran Pakdasht 47 2013 113 2013 286 China Nanning 47 2014 90 2013 287 India Naya Nangal 47 2012 89 2012 288 Turkey Burdur 47 2012 78 2012 289 Turkey Ankara 47 2012 77 2012 290 Turkey Kayseri 47 2012 77 2012 291 Turkey Kutahya 47 2012 77 2012 292 China Zhangjiajie 47 2014 71 2014 293 China Zhangqiu 47 2014 71 2014 294 Kuwait Saad Al - Abdullah 46 2014 112 2014 295 Iran Isfahan 46 2012 111 2012 296 China Qingdao 46 2014 106 2013 297 China Wenzhou 46 2014 94 2013 298 China Kunshan 46 2014 69 2014 299 China Penglai 46 2014 69 2014 300 China Wendeng 46 2014 69 2014 301 Iran Yasuj 45 2013 109 2013 302 Iran Shiraz 45 2012 108 2012 303 China Ningbo 45 2014 86 2013 304 Turkey Edirne 45 2012 74 2012 305 Republic of Macedonia Skopje 45 2013 74 2013 306 Turkey Çorum 45 2012 73 2012 307 Turkey Denizli 45 2012 73 2012 308 China Deyang 45 2014 68 2014 309 Bahrain Ras Hayan 44 2012 250 2012 310 Nigeria Owerri 44 2009 158 2009 311 Kuwait Al - Fahaheel 44 2014 107 2014 312 Brazil Santa Gertrudes 44 2014 95 2014 313 Philippines Baguio City 44 2013 84 2013 314 China Foshan 44 2014 83 2013 315 India Solapur 44 2012 83 2012 316 India Balasore 44 2012 82 2012 317 India Kohima 44 2012 82 2012 318 Bolivia La Paz 44 2013 82 2013 319 India Nalbari 44 2012 82 2012 320 India Ramagundam 44 2012 82 2012 321 Myanmar Sintgaing 44 2009 80 2009 322 Myanmar Thaungtha 44 2009 80 2009 323 Turkey Urfa 44 2012 72 2012 324 Turkey Adiyaman 44 2012 71 2012 325 China Mianyang 44 2014 66 2014 326 India Chennai 44 2014 57 2012 327 China Hohhot 43 2014 146 2013 328 Iran Robatkarim 43 2013 105 2013 329 India Bhubaneswar 43 2012 81 2012 330 India Korba 43 2012 81 2012 331 India Aurangabad 43 2012 80 2012 332 India Berhampur 43 2012 80 2012 333 India Parwanoo 43 2012 80 2012 334 India Sangli 43 2012 80 2012 335 India Ujjain 43 2012 80 2012 336 Bhutan Thimphu 43 2012 78 2012 337 China Jiangmen 43 2014 77 2013 338 Turkey Aydin 43 2012 71 2012 339 Turkey Kahramanmaras 43 2012 71 2012 340 Turkey Mugla 43 2012 71 2012 341 Turkey Zonguldak 43 2012 71 2012 342 China Lishui 43 2014 69 2013 343 China Chaozhou 43 2014 65 2014 344 China Dongguan 43 2014 65 2013 345 Poland Pszczyna 43 2013 58 2013 346 Poland Zywiec 43 2013 58 2013 347 Iran Varamin 42 2013 102 2013 348 India Nagaon 42 2012 79 2012 349 India Nalgonda 42 2012 79 2012 350 Montenegro Pljevlja 42 2014 77 2014 351 El Salvador San Salvador 42 2014 77 2014 352 Myanmar Kathar 42 2013 76 2013 353 Turkey Diyarbakir 42 2012 69 2012 354 Turkey Gumushane 42 2012 69 2012 355 Turkey Tekirdag 42 2012 69 2012 356 Turkey Uşak 42 2012 69 2012 357 Turkey Malatya 42 2012 68 2012 358 China Datong 42 2014 63 2014 359 China Qingyuan 42 2014 63 2014 360 Bulgaria Dimitrovgad 42 2013 59 2013 361 Bahrain Hidd 41 2012 178 2012 362 Iran Sanandaj 41 100 363 South Africa Johannesburg 41 2011 85 364 Turkey Aksaray 41 2012 68 2012 365 Turkey Kirikkale 41 2012 67 2012 366 China Shizuishan 41 2014 62 2014 367 Guatemala Guatemala 41 2013 56 2013 368 Colombia La Estrella 41 2014 47 2014 369 Nigeria Umuahia 40 2009 274 2009 370 India Davanagere 40 2012 75 2012 371 India Guntur 40 2012 75 2012 372 India Trichy 40 2012 75 2012 373 India Kurnool 40 2012 74 2012 374 Republic of Macedonia Bitola 40 2013 69 2013 375 Iran Tabriz 40 2013 68 2012 376 Turkey Van 40 2012 65 2012 377 China Yingkou 40 2014 61 2014 378 China Beihai 40 2014 60 2014 379 China Chifeng 40 2014 60 2014 380 China Heyuan 40 2014 60 2014 381 China Jieyang 40 2014 60 2014 382 China Jiujiang 40 2014 60 2014 383 Poland Rybnik 40 2013 53 2013 384 India Thane 39 2012 73 2012 385 Turkey Bayburt 39 2012 65 2012 386 Turkey Konya 39 2012 65 2012 387 Poland Opoczno 39 2013 53 2013 388 Poland Sucha Beskidzka 39 2013 53 2013 389 Poland Wodzislaw Slaski 39 2013 53 2013 390 Tunisia Tunis 38 90 391 India Kochi 38 2012 70 2012 392 China Zhongshan 38 2014 66 2013 393 China Rizhao 38 2014 57 2014 394 China Rongcheng 38 2014 57 2014 395 China Shantou 38 2014 57 2014 396 Bulgaria Dolny Voden 38 2013 54 2013 397 Poland Godow 38 2013 51 2013 398 Iran Shahryar 37 2013 91 2013 399 Iran Urmia 37 2011 91 2011 400 Iran Sari 37 2012 90 2012 401 Tunisia Sfax 37 87 402 Bangladesh Rajshahi 37 2014 64 2014 403 Turkey Ardahan 37 2012 61 2012 404 Madagascar Antananarivo 37 2008 60 2008 405 Turkey Bartin 37 2012 60 2012 406 Bulgaria Montana 37 2013 52 2013 407 Poland Krakow 37 2013 51 2013 408 Poland Skawina 37 2013 50 2013 409 Mexico Monterrey 36 2011 86 2011 410 Jordan Amman 36 2015 68 2015 411 India Coimbatore 36 2012 68 2012 412 India Cuttack 36 2012 68 2012 413 India Panaji 36 2012 67 2012 414 Sri Lanka Colombo 36 2011 64 2011 415 China Xiamen 36 2014 62 2013 416 Honduras Tegucigalpa 36 2013 59 2013 417 Turkey Kilis 36 2012 58 2012 418 China Daqing 36 2014 54 2014 419 Bulgaria Varna 36 2013 51 2013 420 Poland Knurow 36 2013 48 2013 421 Poland Niepolomice 36 2013 48 2013 422 Poland Tuchow 36 2013 48 2013 423 Poland Nowy Sacz 36 2013 45 2013 424 Oman Muscat 35 2009 82 2009 425 India Shillong 35 2012 65 2012 426 India Vishakhapatnam 35 2012 65 2012 427 Chile Padre las Casas 35 2014 64 2014 428 China Huizhou 35 2014 59 2013 429 China Zhuhai 35 2014 59 2013 430 Turkey Trabzon 35 2012 58 2012 431 Turkey Erzurum 35 2012 57 2012 432 Chile Osorno 35 2014 54 2014 433 China Qiqihar 35 2014 52 2014 434 Poland Nowa Ruda 35 2013 47 2013 435 Poland Wadowice 35 2013 47 2013 436 Poland Zabrze 35 2013 47 2013 437 Poland Gliwice 35 2013 46 2013 438 Poland Katowice 35 2013 45 2013 439 Senegal Dakar 34 2013 141 2013 440 China Kunming 34 2014 82 2013 441 Tunisia Bizerte 34 80 442 India Singrauli 34 2012 64 2012 443 India Kothagudem 34 2012 63 2012 444 China Shenzhen 34 2014 61 2013 445 Bulgaria Plovdiv 34 2013 59 2013 446 South Africa Vereeniging 34 2014 58 2014 447 Turkey Kocaeli 34 2012 55 2012 448 China Meizhou 34 2014 51 2014 449 China Nantou 34 2014 51 2014 450 China Zhangjiakou 34 2014 51 2014 451 Poland Brzeziny 34 2013 46 2013 452 Poland Proszowice 34 2013 46 2013 453 Italy Soresina 34 2013 42 2013 454 Poland Bielsko Biala 34 2013 41 2013 455 Mexico Toluca 33 2011 80 2011 456 Ecuador Santo Domingo 33 2012 69 2012 457 India Patiala 33 2012 63 2012 458 India Nellore 33 2012 62 2012 459 Indonesia Bandung 33 2014 59 2014 460 Myanmar Meikhtilar 33 2013 59 2013 461 Turkey Istanbul 33 2012 53 2012 462 China Karamay 33 2014 50 2014 463 Bulgaria Ruse 33 2013 47 2013 464 Bulgaria Haskovo 33 2013 46 2013 465 Bulgaria Pazardzhik 33 2013 46 2013 466 Czech Republic Cesky Tesin 33 2013 45 2013 467 Czech Republic Havirov 33 2013 45 2013 468 Poland Zdunska Wola 33 2013 45 2013 469 Czech Republic Orlová 33 2013 44 2013 470 Poland Rawa Mazowiecka 33 2013 44 2013 471 Poland Sosnowiec 33 2013 44 2013 472 Lebanon Zahle 33 2014 40 2014 473 Poland Kędzierzyn - Koźle 33 2013 39 2013 474 Italy Settimo Torinese 33 2013 39 2013 475 Iran Bojnord 32 78 476 Iran Mashhad 32 2011 78 2011 477 Iran Tehran 32 2014 77 2014 478 Ecuador Milagro 32 2012 66 2012 479 Philippines San Carlos City 32 2013 61 2013 480 Bolivia Cochabamba 32 2014 60 2014 481 India Salem 32 2012 60 2012 482 Thailand Nakhon Sawan 32 2014 57 2014 483 Turkey İçel 32 2012 53 2012 484 Turkey Nevsehir 32 2012 53 2012 485 Turkey Ordu 32 2012 53 2012 486 Turkey Kars 32 2012 52 2012 487 China Maoming 32 2014 49 2014 488 Taiwan Changhua 32 2014 48 2014 489 China Jinchang 32 2014 48 2014 490 China Kinmen 32 2014 48 2014 491 China Panzhihua 32 2014 48 2014 492 China Quanzhou 32 2014 48 2014 493 China Qujing 32 2014 48 2014 494 China Yangjiang 32 2014 48 2014 495 Poland Naklo 32 2013 44 2013 496 Poland Dabrowa Gornicza 32 2013 43 2013 497 Poland Jaroslaw 32 2013 43 2013 498 Czech Republic Karvina 32 2013 43 2013 499 Poland Tomaszow Mazowiecki 32 2013 43 2013 500 Poland Tychy 32 2013 43 2013

Question: most polluted city in the world according to world health organization
Answer: Zabol