SmogRank / History / week of July 27, 2026

Most polluted cities, week of July 27, 2026

2,221 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	Nampa Idaho, United States	71.8
2	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	70.6
3	Dera Māndi Delhi, India	66.9
4	Kampala low-cost sensors Central Region, Uganda	66.1
5	Faisalabad low-cost sensors Punjab, Pakistan	62.3
6	Quetta low-cost sensors Balochistan, Pakistan	59.5
7	Bānswāra Rajasthan, India	57.9
8	Boise Idaho, United States	55.3
9	Gummidipundi Tamil Nadu, India	54.7
10	Dhaulpur Rajasthan, India	54.6
11	Lahore low-cost sensors Punjab, Pakistan	53.8
12	Kamloops British Columbia, Canada	53.7
13	Gujranwala low-cost sensors Punjab, Pakistan	52.7
14	Lilongwe low-cost sensors Central Region, Malawi	50.9
15	Undera Gujarat, India	49.9
16	Multan low-cost sensors Punjab, Pakistan	48.8
17	Dubai low-cost sensors Dubai, United Arab Emirates	48.2
18	Dhāruhera Haryana, India	47.9
19	Siwān Bihar, India	46.3
20	Twin Falls Idaho, United States	44.9
21	Dushanbe Dushanbe, Tajikistan	43.8
21	Chāpra Bihar, India	43.8
23	Yamuna Nagar Haryana, India	42.3
24	Ashaiman low-cost sensors Greater Accra, Ghana	42.1
25	Bahadurgarh Haryana, India	41.0
26	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	40.6
27	Karonga low-cost sensors Northern Region, Malawi	40.5
28	Palembang low-cost sensors South Sumatra, Indonesia	39.9
29	Bhiwadi Rajasthan, India	39.8
30	Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe	39.7
31	Jammu low-cost sensors Jammu and Kashmir, India	39.5
32	Sialkot low-cost sensors Punjab, Pakistan	38.6
33	Karnāl Haryana, India	38.1
34	Vereeniging low-cost sensors Gauteng, South Africa	37.4
35	Jharia Jharkhand, India	37.2
36	Lethbridge Alberta, Canada	37.0
37	Ajmer Rajasthan, India	36.1
38	Chittoor Andhra Pradesh, India	36.0
39	Changchun low-cost sensors Jilin, China	35.8
40	Anantapur Andhra Pradesh, India	35.1
41	Noida Uttar Pradesh, India	34.4
42	Bahawalpur low-cost sensors Punjab, Pakistan	33.8
43	Faridabad Haryana, India	33.6
43	Bhāgalpur Bihar, India	33.6
45	Great Falls Montana, United States	33.1
46	Murree low-cost sensors Punjab, Pakistan	32.8
46	Ghāziābād Uttar Pradesh, India	32.8
48	Lagos low-cost sensors Lagos, Nigeria	32.4
49	Vijayawada Andhra Pradesh, India	32.2
50	Dhaka low-cost sensors Dhaka Division, Bangladesh	31.7
51	Mzuzu low-cost sensors Northern Region, Malawi	31.2
52	Tirupati Andhra Pradesh, India	30.8
53	Islamabad low-cost sensors Islamabad, Pakistan	30.5
54	Thānesar Haryana, India	30.4
55	Muzaffarnagar Uttar Pradesh, India	30.2
56	Blantyre low-cost sensors Southern Region, Malawi	29.9
56	Thāne Maharashtra, India	29.9
58	Delhi Delhi, India	29.8
58	Medicine Hat Alberta, Canada	29.8
60	San Luis Potosí San Luis Potosí, Mexico	29.4
61	Lewiston Idaho, United States	29.2
62	Tema low-cost sensors Greater Accra, Ghana	29.0
63	Zomba low-cost sensors Southern Region, Malawi	28.9
64	Hyderabad low-cost sensors Sindh, Pakistan	28.8
65	Arāria Bihar, India	28.5
66	Karachi low-cost sensors Sindh, Pakistan	28.4
67	Byasanagar Odisha, India	28.1
68	Chittorgarh Rajasthan, India	28.0
68	Bhiwāni Haryana, India	28.0
70	Rawalpindi low-cost sensors Punjab, Pakistan	27.8
71	Joda Odisha, India	27.7
72	Dādri Uttar Pradesh, India	27.6
73	Calgary Alberta, Canada	27.5
74	Rasapūdipalem Andhra Pradesh, India	27.4
74	Lucknow Uttar Pradesh, India	27.4
76	Jaipur Rajasthan, India	27.3
76	Iloilo low-cost sensors Western Visayas, Philippines	27.3
78	Dūngarpur Rajasthan, India	27.2
79	Quezon City low-cost sensors National Capital Region, Philippines	27.1
80	Narela Delhi, India	27.0
80	Meerut Uttar Pradesh, India	27.0
82	Hāpur Uttar Pradesh, India	26.8
82	Ahmedabad Gujarat, India	26.8
82	Baddi Himachal Pradesh, India	26.8
85	Istanbul low-cost sensors Istanbul, Turkey	26.6
85	Ambāla Haryana, India	26.6
87	Missoula Montana, United States	26.2
88	Coeur d'Alene Idaho, United States	26.1
89	Rourkela Odisha, India	25.9
90	Kaithal Haryana, India	25.7
91	Airdrie Alberta, Canada	25.5
92	Pendleton Oregon, United States	25.2
93	Gandhinagar Gujarat, India	25.1
94	Kalyān Maharashtra, India	25.0
95	Dausa Rajasthan, India	24.8
95	Vernon British Columbia, Canada	24.8
97	Butte Montana, United States	24.6
98	Hājīpur Bihar, India	24.5
99	Helena Montana, United States	24.4
100	Bhilwara Rajasthan, India	24.3
101	Kanpur Uttar Pradesh, India	24.2
101	Spokane Washington, United States	24.2
103	Sri Ganganagar Rajasthan, India	23.9
104	Santa Rosa California, United States	23.6
104	Swift Current Saskatchewan, Canada	23.6
106	Aya Nagar Delhi, India	23.5
107	Acerra Campania, Italy	23.1
107	Spokane Valley Washington, United States	23.1
109	Rangiora Canterbury, New Zealand	23.0
110	Saharsa Bihar, India	22.9
111	Hyderabad Telangana, India	22.8
111	Naucalpan de Juárez México, Mexico	22.8
113	Harare low-cost sensors Harare, Zimbabwe	22.7
113	Silchar Assam, India	22.7
115	Jhālāwār Rajasthan, India	22.6
115	Calexico California, United States	22.6
117	Singrauli Madhya Pradesh, India	22.5
118	Pocatello Idaho, United States	22.4
119	Idaho Falls Idaho, United States	22.2
120	Wake Forest low-cost sensors North Carolina, United States	22.0
121	Morādābād Uttar Pradesh, India	21.9
122	Gwalior Madhya Pradesh, India	21.8
122	Cranbrook British Columbia, Canada	21.8
124	Bāghpat Uttar Pradesh, India	21.7
125	Sirohi Rajasthan, India	21.6
125	Agartala Tripura, India	21.6
125	Marigliano Campania, Italy	21.6
125	Mérida Yucatán, Mexico	21.6
125	Regina Saskatchewan, Canada	21.6
130	Atlixco Puebla, Mexico	21.5
131	Butwāl low-cost sensors Lumbini Province, Nepal	21.4
131	Panchkula Haryana, India	21.4
133	Pullman Washington, United States	21.3
134	Jalor Rajasthan, India	21.2
135	Tonk Rajasthan, India	21.1
136	Jhunjhunūn Rajasthan, India	21.0
137	Chennai Tamil Nadu, India	20.7
137	Nice Provence-Alpes-Côte d'Azur, France	20.7
137	Ciudad General Escobedo Nuevo León, Mexico	20.7
137	Walla Walla Washington, United States	20.7
137	Kharghar Maharashtra, India	20.7
142	Bārmer Rajasthan, India	20.5
142	Celaya Guanajuato, Mexico	20.5
144	Karwar Karnataka, India	20.4
145	Ann Arbor low-cost sensors Michigan, United States	20.3
146	Jalandhar Punjab, India	20.2
146	Jaisalmer Rajasthan, India	20.2
146	Bhayandar Maharashtra, India	20.2
149	Bareilly Uttar Pradesh, India	20.1
150	Jabalpur Madhya Pradesh, India	20.0
150	Greater Noida Uttar Pradesh, India	20.0
152	Santa Catarina Nuevo León, Mexico	19.9
153	Gotemba Shizuoka, Japan	19.8
153	Billings Montana, United States	19.8
155	Moscow Idaho, United States	19.7
156	Rājsamand Rajasthan, India	19.6
157	Hanumāngarh Rajasthan, India	19.5
157	Royal Oak low-cost sensors Michigan, United States	19.5
159	Burunday low-cost sensors Almaty Region, Kazakhstan	19.3
159	Nobeoka Miyazaki, Japan	19.3
159	Silao de la Victoria Guanajuato, Mexico	19.3
162	León de los Aldama Guanajuato, Mexico	19.2
162	Perrysburg Ohio, United States	19.2
162	Bismarck North Dakota, United States	19.2
165	Nandri Rajasthan, India	19.1
166	Aki Kochi, Japan	19.0
167	Bra Piedmont, Italy	18.9
167	Macon Georgia, United States	18.9
169	Latur Maharashtra, India	18.8
169	Aurangabad Maharashtra, India	18.8
171	Patna Bihar, India	18.7
172	Sīkar Rajasthan, India	18.6
172	Hubballi Karnataka, India	18.6
174	Nepean low-cost sensors Ontario, Canada	18.5
175	Bikaner Rajasthan, India	18.4
175	Monaco Municipality of Monaco, Monaco	18.4
175	Cava Dè Tirreni Campania, Italy	18.4
175	Aguascalientes Aguascalientes, Mexico	18.4
175	San Felice A Cancello Campania, Italy	18.4
180	Timaru Canterbury, New Zealand	18.3
180	Cannes Provence-Alpes-Côte d'Azur, France	18.3
182	Kota Rajasthan, India	18.2
182	Kolkata West Bengal, India	18.2
182	Naples Campania, Italy	18.2
185	Shrīrāmpur West Bengal, India	18.1
185	Jodhpur Rajasthan, India	18.1
185	Caserta Campania, Italy	18.1
188	Shingū Wakayama, Japan	18.0
188	Puebla Puebla, Mexico	18.0
188	Salamanca Guanajuato, Mexico	18.0
191	Christchurch Canterbury, New Zealand	17.9
191	Mixquiahuala de Juárez Hidalgo, Mexico	17.9
193	Kochi Kochi, Japan	17.8
193	Ciudad Nezahualcoyotl México, Mexico	17.8
193	Mexico City Mexico City, Mexico	17.8
196	Nagpur Maharashtra, India	17.7
196	Dhule Maharashtra, India	17.7
198	Gaya Bihar, India	17.6
199	Bhubaneswar Odisha, India	17.5
199	Winterthur low-cost sensors Zurich, Switzerland	17.5

Top 200 of 2,221 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