SmogRank / History / September 7, 2025

Most polluted cities on September 7, 2025

2,375 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 6, 2025September 8, 2025 →
#City µg/m³× WHO
1Calexico California, United States
252.416.8×
2Santa Lucía Canary Islands, Spain
114.07.6×
3Kanchipuram Tamil Nadu, India
81.25.4×
4Gummidipundi Tamil Nadu, India
68.34.6×
5Serilingampalle Telangana, India
66.24.4×
6Kigali Kigali, Rwanda
64.24.3×
7Chāpra Bihar, India
61.24.1×
8Istanbul low-cost sensors Istanbul, Turkey
58.93.9×
9Dushanbe Dushanbe, Tajikistan
57.03.8×
10Cranbrook British Columbia, Canada
56.23.7×
11Angul Odisha, India
51.73.4×
12Faisalabad low-cost sensors Punjab, Pakistan
51.43.4×
13Lima Lima Province, Peru
50.03.3×
14Prince George British Columbia, Canada
49.83.3×
15Rasapūdipalem Andhra Pradesh, India
46.53.1×
16Vereeniging low-cost sensors Gauteng, South Africa
45.33.0×
17Muzaffarnagar Uttar Pradesh, India
44.63.0×
18Sri Ganganagar Rajasthan, India
44.43.0×
19Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
43.82.9×
20Tirupati Andhra Pradesh, India
43.12.9×
21Kadapa Andhra Pradesh, India
42.22.8×
22Grants Pass Oregon, United States
41.02.7×
23Lethbridge Alberta, Canada
39.52.6×
24Multan low-cost sensors Punjab, Pakistan
39.22.6×
25Dubai low-cost sensors Dubai, United Arab Emirates
38.42.6×
26Buxar Bihar, India
37.92.5×
27Kelowna British Columbia, Canada
37.72.5×
28Fort St. John British Columbia, Canada
37.52.5×
29Rairangpur Odisha, India
37.32.5×
30Anantapur Andhra Pradesh, India
37.12.5×
31Edmonton Alberta, Canada
36.82.5×
31Grande Prairie Alberta, Canada
36.82.5×
33Rourkela Odisha, India
36.32.4×
34Cholula Puebla, Mexico
35.32.4×
35Vijayawada Andhra Pradesh, India
34.82.3×
36Ashaiman low-cost sensors Greater Accra, Ghana
34.72.3×
37Bahawalpur low-cost sensors Punjab, Pakistan
34.22.3×
38Kamloops British Columbia, Canada
33.92.3×
39Calgary Alberta, Canada
33.72.2×
40Vernon British Columbia, Canada
33.12.2×
41Bhiwadi Rajasthan, India
32.72.2×
42Quthbullapur Telangana, India
32.52.2×
43Addis Ababa Addis Ababa, Ethiopia
32.02.1×
44Joda Odisha, India
31.82.1×
45San Francisco De Borja Lima region, Peru
31.52.1×
46Karachi low-cost sensors Sindh, Pakistan
31.42.1×
47Narela Delhi, India
31.12.1×
48Kanpur Uttar Pradesh, India
31.02.1×
49Lagos low-cost sensors Lagos, Nigeria
30.82.1×
50Great Falls Montana, United States
30.62.0×
51Badlapur Maharashtra, India
30.32.0×
52Butte Montana, United States
30.22.0×
53Xonacatlán México, Mexico
29.82.0×
53Helena Montana, United States
29.82.0×
55Missoula Montana, United States
29.62.0×
56Callao Callao, Peru
29.32.0×
57Jakarta Jakarta, Indonesia
29.11.9×
58Medford Oregon, United States
28.91.9×
59Arāria Bihar, India
28.71.9×
59Quezon City low-cost sensors National Capital Region, Philippines
28.71.9×
61Nalbāri Assam, India
28.51.9×
62Kolkata West Bengal, India
28.01.9×
63Shivamogga Karnataka, India
27.91.9×
64Lahore low-cost sensors Punjab, Pakistan
27.81.9×
64Gujranwala low-cost sensors Punjab, Pakistan
27.81.9×
64Kalyān Maharashtra, India
27.81.9×
64Maspalomas Canary Islands, Spain
27.81.9×
68St. Albert Alberta, Canada
27.71.8×
69Ropar Punjab, India
27.41.8×
70Barbil Odisha, India
27.21.8×
71Ajmer Rajasthan, India
27.11.8×
72Quetta low-cost sensors Balochistan, Pakistan
26.81.8×
73Noida Uttar Pradesh, India
26.41.8×
74Delhi Delhi, India
26.31.8×
75Almaty low-cost sensors Almaty, Kazakhstan
26.21.7×
76Sarajevo Federation of B&H, Bosnia and Herzegovina
26.11.7×
76Sherwood Park Alberta, Canada
26.11.7×
78Chennai Tamil Nadu, India
25.91.7×
79Tema low-cost sensors Greater Accra, Ghana
25.81.7×
80Baripāda Odisha, India
25.31.7×
81Hyderabad Telangana, India
25.21.7×
81Ashland Oregon, United States
25.21.7×
83Durgapur West Bengal, India
25.11.7×
84Jaén Andalusia, Spain
25.01.7×
85Begusarai Bihar, India
24.91.7×
86Sialkot low-cost sensors Punjab, Pakistan
24.81.7×
86Bengaluru Karnataka, India
24.81.7×
88Rawalpindi low-cost sensors Punjab, Pakistan
24.71.6×
89Baddi Himachal Pradesh, India
24.61.6×
90Red Deer Alberta, Canada
24.41.6×
91Aya Nagar Delhi, India
24.31.6×
92Silchar Assam, India
24.21.6×
93Karur Tamil Nadu, India
24.11.6×
93Neelankarai Tamil Nadu, India
24.11.6×
95Rānīganj West Bengal, India
24.01.6×
96Najafgarh Delhi, India
23.91.6×
96Evergem Flanders, Belgium
23.91.6×
98Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
23.51.6×
99Vršac Vojvodina, Serbia
23.41.6×
100Ghāziābād Uttar Pradesh, India
23.31.6×
101Nagaon Assam, India
23.21.5×
102Iloilo low-cost sensors Western Visayas, Philippines
23.01.5×
102San Luis de la Paz Guanajuato, Mexico
23.01.5×
102Byasanagar Odisha, India
23.01.5×
105Morādābād Uttar Pradesh, India
22.91.5×
105García Nuevo León, Mexico
22.91.5×
107Jalandhar Punjab, India
22.81.5×
107Puebla Puebla, Mexico
22.81.5×
109Duque de Caxias Rio de Janeiro, Brazil
22.71.5×
110Vapi Gujarat, India
22.41.5×
110Navalpattu Tamil Nadu, India
22.41.5×
112Vijayapura Karnataka, India
22.21.5×
112Accra low-cost sensors Greater Accra, Ghana
22.21.5×
114Tuxtla Chiapas, Mexico
21.61.4×
115Gūduvāncheri Tamil Nadu, India
21.41.4×
116Yakima Washington, United States
21.31.4×
117Fort McMurray Alberta, Canada
21.11.4×
118Ciudad Benito Juárez Nuevo León, Mexico
20.81.4×
119Latur Maharashtra, India
20.71.4×
120Tulancingo Hidalgo, Mexico
20.61.4×
121Panvel Maharashtra, India
20.51.4×
121Ankleshwar Gujarat, India
20.51.4×
123Gwalior Madhya Pradesh, India
20.41.4×
123Lorca Murcia, Spain
20.41.4×
123Wenatchee Washington, United States
20.41.4×
126Hāpur Uttar Pradesh, India
20.31.4×
126Bhiwandi Maharashtra, India
20.31.4×
126Tehuacán Puebla, Mexico
20.31.4×
129Hubballi Karnataka, India
20.11.3×
130Monterrey Nuevo León, Mexico
20.01.3×
131Celaya Guanajuato, Mexico
19.81.3×
132Kalaburagi Karnataka, India
19.51.3×
133Shrīrāmpur West Bengal, India
19.41.3×
134Agüimes Canary Islands, Spain
19.31.3×
134Tula de Allende Hidalgo, Mexico
19.31.3×
136Manlleu Catalonia, Spain
19.21.3×
136Mixquiahuala de Juárez Hidalgo, Mexico
19.21.3×
138San Martin Texmelucan de Labastida Puebla, Mexico
19.11.3×
139Islamabad low-cost sensors Islamabad, Pakistan
18.81.3×
140Thāne Maharashtra, India
18.71.2×
140Nagpur Maharashtra, India
18.71.2×
140Cuddalore Tamil Nadu, India
18.71.2×
140Bozeman Montana, United States
18.71.2×
144Haldia West Bengal, India
18.61.2×
145Medina Estates low-cost sensors Greater Accra, Ghana
18.51.2×
146Vellore Tamil Nadu, India
18.41.2×
146Parbhani Maharashtra, India
18.41.2×
146Bānswāra Rajasthan, India
18.41.2×
149Cuernavaca Morelos, Mexico
18.31.2×
150San Miguel de Allende Guanajuato, Mexico
18.21.2×
150Sunnyside Washington, United States
18.21.2×
152Pratāpgarh Rajasthan, India
18.11.2×
153Spokane Valley Washington, United States
18.01.2×
154Sholapur Maharashtra, India
17.91.2×
155Aguascalientes Aguascalientes, Mexico
17.71.2×
156Gaya Bihar, India
17.51.2×
156Arrah Bihar, India
17.51.2×
156León de los Aldama Guanajuato, Mexico
17.51.2×
159Augustów Podlasie, Poland
17.31.2×
160Nanded Maharashtra, India
17.21.1×
160Gudalur Tamil Nadu, India
17.21.1×
160Amaravati Andhra Pradesh, India
17.21.1×
163Hanumāngarh Rajasthan, India
17.11.1×
164Siedlce Mazovia, Poland
17.01.1×
164Alcantarilla Murcia, Spain
17.01.1×
166Cuttack Odisha, India
16.91.1×
166Salamanca Guanajuato, Mexico
16.91.1×
166La Porte Texas, United States
16.91.1×
169Tirunelveli Tamil Nadu, India
16.81.1×
169Malegaon Maharashtra, India
16.81.1×
169Murcia Murcia, Spain
16.81.1×
169Medicine Hat Alberta, Canada
16.81.1×
173Richards Bay low-cost sensors KwaZulu-Natal, South Africa
16.71.1×
174Mahād Maharashtra, India
16.61.1×
175Ełk Warmia-Masuria, Poland
16.51.1×
175Ciudad General Escobedo Nuevo León, Mexico
16.51.1×
177Helsinki Uusimaa, Finland
16.31.1×
177Chiang Mai low-cost sensors Chiang Mai, Thailand
16.31.1×
177Khlong Luang low-cost sensors Pathum Thani, Thailand
16.31.1×
180Chandigarh Chandigarh, India
16.21.1×
180Molina de Segura Murcia, Spain
16.21.1×
180San Juan del Río Querétaro, Mexico
16.21.1×
180Wake Forest low-cost sensors North Carolina, United States
16.21.1×
184Sekimachi Gifu, Japan
16.11.1×
185Spokane Washington, United States
16.01.1×
186Lucknow Uttar Pradesh, India
15.91.1×
186Shenyang Liaoning, China
15.91.1×
188Jumilla Murcia, Spain
15.81.1×
188Palencia Castille and León, Spain
15.81.1×
188Arvada low-cost sensors Colorado, United States
15.81.1×
191Cartagena Murcia, Spain
15.71.0×
191Tijuana Baja California, Mexico
15.71.0×
191Coeur d'Alene Idaho, United States
15.71.0×
194Bangkok low-cost sensors Bangkok, Thailand
15.61.0×
194Altamont Oregon, United States
15.61.0×
196Prokuplje Central Serbia, Serbia
15.51.0×
196Bhayandar Maharashtra, India
15.51.0×
196Agra Uttar Pradesh, India
15.51.0×
199Dhule Maharashtra, India
15.41.0×
199Mumbai Maharashtra, India
15.41.0×

Top 200 of 2,375 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