SmogRank / History / week of September 8, 2025

Most polluted cities, week of September 8, 2025

2,256 cities ranked by their average PM2.5 over the 7 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	Calexico California, United States	127.8
2	Rourkela Odisha, India	92.2
3	Cuddalore Tamil Nadu, India	91.9
4	Gummidipundi Tamil Nadu, India	83.2
5	Undera Gujarat, India	68.6
6	Rasapūdipalem Andhra Pradesh, India	66.4
7	Faisalabad low-cost sensors Punjab, Pakistan	62.4
7	Dushanbe Dushanbe, Tajikistan	62.4
9	Istanbul low-cost sensors Istanbul, Turkey	58.7
10	Chittoor Andhra Pradesh, India	58.5
11	Gujranwala low-cost sensors Punjab, Pakistan	58.3
12	Surat Gujarat, India	57.0
13	Serilingampalle Telangana, India	49.6
14	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	48.9
15	Sialkot low-cost sensors Punjab, Pakistan	47.8
16	Kadapa Andhra Pradesh, India	46.1
17	Lahore low-cost sensors Punjab, Pakistan	45.9
17	Nalbāri Assam, India	45.9
17	Joda Odisha, India	45.9
20	Vereeniging low-cost sensors Gauteng, South Africa	44.4
21	Rawalpindi low-cost sensors Punjab, Pakistan	44.3
22	Singrauli Madhya Pradesh, India	43.2
23	Multan low-cost sensors Punjab, Pakistan	41.6
23	Bhiwadi Rajasthan, India	41.6
25	Tonk Rajasthan, India	41.0
26	Vapi Gujarat, India	40.9
27	Anantapur Andhra Pradesh, India	38.4
28	Aurangabad Maharashtra, India	38.0
29	Buxar Bihar, India	37.8
30	Fort McMurray Alberta, Canada	37.4
31	Ashaiman low-cost sensors Greater Accra, Ghana	37.1
32	Panvel Maharashtra, India	36.9
33	Grande Prairie Alberta, Canada	36.8
34	Baddi Himachal Pradesh, India	36.7
35	Kharghar Maharashtra, India	36.6
36	Cholula Puebla, Mexico	36.3
37	Vijayawada Andhra Pradesh, India	36.0
38	Addis Ababa Addis Ababa, Ethiopia	35.6
38	Hyderabad Telangana, India	35.6
40	Sri Ganganagar Rajasthan, India	35.2
41	Chittorgarh Rajasthan, India	34.6
42	Patna Bihar, India	34.2
43	Dādri Uttar Pradesh, India	34.0
44	Prince George British Columbia, Canada	33.9
45	Karauli Rajasthan, India	33.7
45	Wadgaon Kolhati Maharashtra, India	33.7
47	Kalyān Maharashtra, India	33.1
47	Greater Noida Uttar Pradesh, India	33.1
49	Muzaffarnagar Uttar Pradesh, India	32.9
50	Bānswāra Rajasthan, India	32.3
51	Gwalior Madhya Pradesh, India	32.1
52	Nagaon Assam, India	32.0
53	Sirohi Rajasthan, India	31.7
54	Tema low-cost sensors Greater Accra, Ghana	31.2
55	Ghāziābād Uttar Pradesh, India	31.1
55	Ankleshwar Gujarat, India	31.1
57	Chennai Tamil Nadu, India	30.7
57	Lagos low-cost sensors Lagos, Nigeria	30.7
59	Morādābād Uttar Pradesh, India	30.6
59	Angul Odisha, India	30.6
61	Narela Delhi, India	30.3
61	Jalgaon Maharashtra, India	30.3
63	Noida Uttar Pradesh, India	30.1
64	Edmonton Alberta, Canada	30.0
65	Tirupparangunram Tamil Nadu, India	29.7
66	Rānīganj West Bengal, India	29.4
67	Hāpur Uttar Pradesh, India	29.1
68	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	28.9
69	Dubai low-cost sensors Dubai, United Arab Emirates	28.7
69	Durgapur West Bengal, India	28.7
71	Badlapur Maharashtra, India	28.5
72	Bahawalpur low-cost sensors Punjab, Pakistan	28.3
73	Thāne Maharashtra, India	28.1
74	Bengaluru Karnataka, India	28.0
75	Kanpur Uttar Pradesh, India	27.9
76	Nashik Maharashtra, India	27.8
77	Agra Uttar Pradesh, India	27.2
78	Delhi Delhi, India	26.6
79	Sāngli Maharashtra, India	26.0
80	Pratāpgarh Rajasthan, India	25.8
81	Quezon City low-cost sensors National Capital Region, Philippines	25.7
82	Mangaluru Karnataka, India	25.6
83	Jhālāwār Rajasthan, India	25.5
83	Neelankarai Tamil Nadu, India	25.5
85	Dhule Maharashtra, India	25.4
86	Bhiwandi Maharashtra, India	25.3
87	Jalandhar Punjab, India	25.0
87	Bhilwara Rajasthan, India	25.0
89	Baripāda Odisha, India	24.9
89	Ajmer Rajasthan, India	24.9
91	Meerut Uttar Pradesh, India	24.8
92	Dhaulpur Rajasthan, India	24.7
92	Barbil Odisha, India	24.7
94	Jaipur Rajasthan, India	24.3
94	Gandhinagar Gujarat, India	24.3
96	Karachi low-cost sensors Sindh, Pakistan	24.2
97	St. Albert Alberta, Canada	24.0
98	Quetta low-cost sensors Balochistan, Pakistan	23.9
99	Ropar Punjab, India	23.8
99	Kolkata West Bengal, India	23.8
101	Rājsamand Rajasthan, India	23.7
102	Kota Rajasthan, India	23.4
102	Ahmedabad Gujarat, India	23.4
104	Dausa Rajasthan, India	23.2
104	Red Deer Alberta, Canada	23.2
106	Calgary Alberta, Canada	23.1
107	Richards Bay low-cost sensors KwaZulu-Natal, South Africa	23.0
108	Nagpur Maharashtra, India	22.8
109	Aya Nagar Delhi, India	22.7
110	Sherwood Park Alberta, Canada	22.5
111	Pune Maharashtra, India	22.3
111	Bhilai Chhattisgarh, India	22.3
113	Boisar Maharashtra, India	22.2
114	Accra low-cost sensors Greater Accra, Ghana	22.1
115	Vijayapura Karnataka, India	21.9
115	Saskatoon Saskatchewan, Canada	21.9
117	Tirumala Andhra Pradesh, India	21.8
117	Amravati Maharashtra, India	21.8
119	Lucknow Uttar Pradesh, India	21.5
119	San Salvador Tizatlalli México, Mexico	21.5
121	Mahād Maharashtra, India	21.2
122	Virār Maharashtra, India	21.1
122	Iloilo low-cost sensors Western Visayas, Philippines	21.1
122	Logroño La Rioja, Spain	21.1
125	Coimbatore Tamil Nadu, India	20.9
126	Mumbai Maharashtra, India	20.8
127	Prince Albert Saskatchewan, Canada	20.7
128	Jalor Rajasthan, India	20.6
128	Jabalpur Madhya Pradesh, India	20.6
128	Victoria de Durango Durango, Mexico	20.6
131	Silchar Assam, India	20.5
132	Cuernavaca Morelos, Mexico	20.3
133	Jhunjhunūn Rajasthan, India	20.2
134	Changchun low-cost sensors Jilin, China	20.1
135	Āsansol West Bengal, India	20.0
136	Chandigarh Chandigarh, India	19.9
137	Hubballi Karnataka, India	19.5
138	Siwān Bihar, India	19.4
138	Dūngarpur Rajasthan, India	19.4
140	Rairangpur Odisha, India	19.3
141	Chūru Rajasthan, India	19.1
141	Begusarai Bihar, India	19.1
141	Nandri Rajasthan, India	19.1
144	Haldia West Bengal, India	18.9
145	Sawai Madhopur Rajasthan, India	18.6
145	Sarajevo Federation of B&H, Bosnia and Herzegovina	18.6
147	Shivamogga Karnataka, India	18.5
147	Gudalur Tamil Nadu, India	18.5
147	Bhopal Madhya Pradesh, India	18.5
150	Indore Madhya Pradesh, India	18.2
151	Akola Maharashtra, India	17.9
152	Gaya Bihar, India	17.8
153	Wenatchee Washington, United States	17.7
154	Obrenovac Central Serbia, Serbia	17.6
154	Naharlagun Arunachal Pradesh, India	17.6
156	Puebla Puebla, Mexico	17.5
156	Byasanagar Odisha, India	17.5
158	Bārān Rajasthan, India	17.4
158	Houston Texas, United States	17.4
158	Cranbrook British Columbia, Canada	17.4
161	Sholapur Maharashtra, India	17.3
161	Jodhpur Rajasthan, India	17.3
161	Hanumāngarh Rajasthan, India	17.3
161	Guwahati Assam, India	17.3
161	Arrah Bihar, India	17.3
161	Lorca Murcia, Spain	17.3
167	Būndi Rajasthan, India	17.2
167	Valjevo Central Serbia, Serbia	17.2
169	Lethbridge Alberta, Canada	17.1
170	Bhubaneswar Odisha, India	17.0
170	Bharatpur Rajasthan, India	17.0
172	Cuttack Odisha, India	16.9
173	Sīkar Rajasthan, India	16.8
174	Shrīrāmpur West Bengal, India	16.7
174	Agüimes Canary Islands, Spain	16.7
176	Chikmagalūr Karnataka, India	16.5
176	Santa Catarina Nuevo León, Mexico	16.5
176	Mankato Minnesota, United States	16.5
179	Najafgarh Delhi, India	16.4
179	Latur Maharashtra, India	16.4
179	Prayagraj Uttar Pradesh, India	16.4
182	Raipur Chhattisgarh, India	16.3
183	Kalisz Greater Poland, Poland	16.1
183	Zagreb low-cost sensors Zagreb, Croatia	16.1
185	Parbhani Maharashtra, India	16.0
185	Khlong Luang low-cost sensors Pathum Thani, Thailand	16.0
187	Bhāgalpur Bihar, India	15.9
187	Amaravati Andhra Pradesh, India	15.9
189	Kolhāpur Maharashtra, India	15.8
189	Ōtsuki Yamanashi, Japan	15.8
191	Mohali Punjab, India	15.6
191	Pimpri-Chinchwad Maharashtra, India	15.6
193	La Paz Baja California Sur, Mexico	15.5
194	Nāgaur Rajasthan, India	15.4
195	Columbia low-cost sensors Missouri, United States	15.3
196	Debrecen low-cost sensors Hajdú-Bihar, Hungary	15.2
196	Santa Lucía Canary Islands, Spain	15.2
198	Sofia Sofia-Capital, Bulgaria	15.1
198	Nanded Maharashtra, India	15.1
200	Vientiane low-cost sensors Vientiane Prefecture, Laos	15.0

Top 200 of 2,256 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