SmogRank / History / August 31, 2025

Most polluted cities on August 31, 2025

2,220 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← August 30, 2025September 1, 2025 →
#City µg/m³× WHO
1Rourkela Odisha, India
1,000.066.7×
2Gummidipundi Tamil Nadu, India
658.043.9×
3Saltillo Coahuila, Mexico
366.024.4×
4Grande Prairie Alberta, Canada
152.010.1×
5Fort McMurray Alberta, Canada
96.36.4×
6Fort St. John British Columbia, Canada
96.26.4×
7Kanpur Uttar Pradesh, India
92.26.1×
8Edmonton Alberta, Canada
76.65.1×
9Cuddalore Tamil Nadu, India
73.84.9×
10Vereeniging low-cost sensors Gauteng, South Africa
68.54.6×
11Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
66.54.4×
12Bikaner Rajasthan, India
63.04.2×
13Sherwood Park Alberta, Canada
58.03.9×
14St. Albert Alberta, Canada
52.93.5×
15Faisalabad low-cost sensors Punjab, Pakistan
51.53.4×
16Singrauli Madhya Pradesh, India
50.53.4×
17Mangaluru Karnataka, India
45.73.0×
18Lucknow Uttar Pradesh, India
44.43.0×
19Vijayawada Andhra Pradesh, India
43.72.9×
20Tirupati Andhra Pradesh, India
43.32.9×
21Hyderabad Telangana, India
40.02.7×
22Gujranwala low-cost sensors Punjab, Pakistan
38.82.6×
23Richards Bay low-cost sensors KwaZulu-Natal, South Africa
38.32.6×
23Neelankarai Tamil Nadu, India
38.32.6×
25Multan low-cost sensors Punjab, Pakistan
38.22.5×
26Buxar Bihar, India
37.92.5×
27Dubai low-cost sensors Dubai, United Arab Emirates
37.82.5×
27Nalbāri Assam, India
37.82.5×
29Rasapūdipalem Andhra Pradesh, India
37.42.5×
30Bahawalpur low-cost sensors Punjab, Pakistan
37.22.5×
31Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
37.12.5×
32Tongaat low-cost sensors KwaZulu-Natal, South Africa
35.82.4×
32Narela Delhi, India
35.82.4×
34Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
35.22.3×
35Kadapa Andhra Pradesh, India
34.42.3×
36Badlapur Maharashtra, India
34.32.3×
36Ashaiman low-cost sensors Greater Accra, Ghana
34.32.3×
38Nagaon Assam, India
33.72.2×
38Hājīpur Bihar, India
33.72.2×
40Changchun low-cost sensors Jilin, China
33.12.2×
41Muzaffarnagar Uttar Pradesh, India
32.82.2×
42Istanbul low-cost sensors Istanbul, Turkey
31.82.1×
43Quthbullapur Telangana, India
31.62.1×
44Hyderabad low-cost sensors Sindh, Pakistan
31.22.1×
45Serilingampalle Telangana, India
31.12.1×
46Kalyān Maharashtra, India
30.92.1×
47Ghāziābād Uttar Pradesh, India
30.72.0×
48Bend Oregon, United States
30.52.0×
49Noida Uttar Pradesh, India
30.32.0×
50Harare low-cost sensors Harare, Zimbabwe
29.92.0×
50Wadgaon Kolhati Maharashtra, India
29.92.0×
52Sialkot low-cost sensors Punjab, Pakistan
29.32.0×
53Pratāpgarh Rajasthan, India
29.01.9×
54Quetta low-cost sensors Balochistan, Pakistan
28.91.9×
54Karachi low-cost sensors Sindh, Pakistan
28.91.9×
56Bhiwadi Rajasthan, India
28.81.9×
57Rānīganj West Bengal, India
28.31.9×
58Arāria Bihar, India
27.81.9×
58Tsuchiura Ibaraki, Japan
27.81.9×
60Morādābād Uttar Pradesh, India
27.61.8×
61Cuttack Odisha, India
27.51.8×
62Chennai Tamil Nadu, India
27.31.8×
62Angul Odisha, India
27.31.8×
64Hāpur Uttar Pradesh, India
27.21.8×
65Chāpra Bihar, India
27.01.8×
66Uto Kumamoto, Japan
26.91.8×
67Ōtsuki Yamanashi, Japan
26.51.8×
68Addis Ababa Addis Ababa, Ethiopia
26.11.7×
69Hokota Ibaraki, Japan
25.91.7×
70Naka Ibaraki, Japan
25.51.7×
71Nagpur Maharashtra, India
25.41.7×
72Delhi Delhi, India
25.31.7×
72Begusarai Bihar, India
25.31.7×
74Kikuchi Kumamoto, Japan
24.91.7×
74Kotō Kumamoto, Japan
24.91.7×
76Agra Uttar Pradesh, India
24.71.6×
76Cholula Puebla, Mexico
24.71.6×
78Quezon City low-cost sensors National Capital Region, Philippines
24.51.6×
79Tema low-cost sensors Greater Accra, Ghana
24.41.6×
80Ajmer Rajasthan, India
24.21.6×
80Mifune Kumamoto, Japan
24.21.6×
82Kolkata West Bengal, India
24.11.6×
83Gwalior Madhya Pradesh, India
23.61.6×
83Dādri Uttar Pradesh, India
23.61.6×
85Bhiwandi Maharashtra, India
23.41.6×
86Ōzu Kumamoto, Japan
23.31.6×
87Gandhinagar Gujarat, India
23.21.5×
88Shimo-tsuma Ibaraki, Japan
23.01.5×
89Kodaira Tokyo, Japan
22.81.5×
90Lagos low-cost sensors Lagos, Nigeria
22.71.5×
91Kamojimachō-jōgejima Tokushima, Japan
22.61.5×
92Kota Rajasthan, India
22.51.5×
92Āsansol West Bengal, India
22.51.5×
92Prince George British Columbia, Canada
22.51.5×
95Saharsa Bihar, India
22.41.5×
96Kalaburagi Karnataka, India
22.31.5×
96Anan Tokushima, Japan
22.31.5×
98Vijayapura Karnataka, India
21.91.5×
98Greater Noida Uttar Pradesh, India
21.91.5×
100Bhāgalpur Bihar, India
21.81.5×
100Kamisu Ibaraki, Japan
21.81.5×
100Wakasugi Fukuoka, Japan
21.81.5×
103Lahore low-cost sensors Punjab, Pakistan
21.71.4×
103Kumamoto Kumamoto, Japan
21.71.4×
103Ageo Saitama, Japan
21.71.4×
103Sakura Chiba, Japan
21.71.4×
103Mima Tokushima, Japan
21.71.4×
108Chigasaki Kanagawa, Japan
21.51.4×
109Bhubaneswar Odisha, India
21.41.4×
109Kofu Yamanashi, Japan
21.41.4×
111Tanushimarumachi-toyoki Fukuoka, Japan
21.31.4×
111Higashikurume Tokyo, Japan
21.31.4×
113Rawalpindi low-cost sensors Punjab, Pakistan
21.11.4×
113Toride Ibaraki, Japan
21.11.4×
115Silchar Assam, India
21.01.4×
115Kashiwara Nara, Japan
21.01.4×
115Kashiwa Chiba, Japan
21.01.4×
115Gotemba Shizuoka, Japan
21.01.4×
115Niiza Saitama, Japan
21.01.4×
120Noda Chiba, Japan
20.91.4×
120Squamish British Columbia, Canada
20.91.4×
122Jabalpur Madhya Pradesh, India
20.81.4×
122Ayase Kanagawa, Japan
20.81.4×
124Minamirinkan Kanagawa, Japan
20.71.4×
124Bizen Okayama, Japan
20.71.4×
126Najafgarh Delhi, India
20.61.4×
126Kasama Ibaraki, Japan
20.61.4×
126Redmond Oregon, United States
20.61.4×
126Misato, Saitama Saitama, Japan
20.61.4×
130Tokyo Tokyo, Japan
20.51.4×
130Kashima-shi Ibaraki, Japan
20.51.4×
130Accra low-cost sensors Greater Accra, Ghana
20.51.4×
130Joda Odisha, India
20.51.4×
130Yoshinogawa Tokushima, Japan
20.51.4×
135Surat Gujarat, India
20.41.4×
135Inashiki Ibaraki, Japan
20.41.4×
137Bānswāra Rajasthan, India
20.31.4×
137Shimada Shizuoka, Japan
20.31.4×
137Ishioka Ibaraki, Japan
20.31.4×
137Yachiyo Chiba, Japan
20.31.4×
137Kamagaya Chiba, Japan
20.31.4×
142Kawaguchi Saitama, Japan
20.21.3×
142Saitama Saitama, Japan
20.21.3×
144Shivamogga Karnataka, India
20.11.3×
144Sano Tochigi, Japan
20.11.3×
144Narita Chiba, Japan
20.11.3×
144Chiba Chiba, Japan
20.11.3×
144Fuchū Tokyo, Japan
20.11.3×
149Durgapur West Bengal, India
20.01.3×
149Prayagraj Uttar Pradesh, India
20.01.3×
149Tamana Kumamoto, Japan
20.01.3×
149Kakegawa Shizuoka, Japan
20.01.3×
153Obita Nagasaki, Japan
19.91.3×
153Kashihara-shi Nara, Japan
19.91.3×
153Beppu Oita, Japan
19.91.3×
153Inzai Chiba, Japan
19.91.3×
157Fukuoka Fukuoka, Japan
19.81.3×
157Aihara Kanagawa, Japan
19.81.3×
157Asaka Saitama, Japan
19.81.3×
157Ōhara Chiba, Japan
19.81.3×
157Chikusei Ibaraki, Japan
19.81.3×
162Aso Kumamoto, Japan
19.71.3×
162Higashimurayama Tokyo, Japan
19.71.3×
164Rairangpur Odisha, India
19.61.3×
164Sōka Saitama, Japan
19.61.3×
164Okayama Okayama, Japan
19.61.3×
164Kawagoe Saitama, Japan
19.61.3×
164Kainan Wakayama, Japan
19.61.3×
164Ikoma Nara, Japan
19.61.3×
164Hachiōji Tokyo, Japan
19.61.3×
164Fujieda Shizuoka, Japan
19.61.3×
164Azamino Kanagawa, Japan
19.61.3×
173Honmachi Kumamoto, Japan
19.51.3×
173Ōmuta Fukuoka, Japan
19.51.3×
173Matsudo Chiba, Japan
19.51.3×
173Koshigaya Saitama, Japan
19.51.3×
173Kisarazu Chiba, Japan
19.51.3×
173Yokoshiba Chiba, Japan
19.51.3×
173Yachimata Chiba, Japan
19.51.3×
173Mobara Chiba, Japan
19.51.3×
173Narashino Chiba, Japan
19.51.3×
182Numazu Shizuoka, Japan
19.41.3×
182Ajiki Chiba, Japan
19.41.3×
182Bandō Ibaraki, Japan
19.41.3×
182Minami-Alps Yamanashi, Japan
19.41.3×
186Shrīrāmpur West Bengal, India
19.31.3×
186Nanded Maharashtra, India
19.31.3×
186Tatebayashi Gunma, Japan
19.31.3×
186Iwade Wakayama, Japan
19.31.3×
186Hamamatsu Shizuoka, Japan
19.31.3×
186Hamakita Shizuoka, Japan
19.31.3×
186Arao Kumamoto, Japan
19.31.3×
193Ropar Punjab, India
19.21.3×
193Taguig low-cost sensors National Capital Region, Philippines
19.21.3×
193Tokorozawa Saitama, Japan
19.21.3×
193Aioi Hyōgo, Japan
19.21.3×
193Ichihara Chiba, Japan
19.21.3×
198Chānda Maharashtra, India
19.11.3×
198Togitsu Nagasaki, Japan
19.11.3×
198Atami Shizuoka, Japan
19.11.3×

Top 200 of 2,220 shown.

Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data