SmogRank / History / September 27, 2025

Most polluted cities on September 27, 2025

2,309 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← September 26, 2025September 28, 2025 →
#City µg/m³× WHO
1Calexico California, United States
251.616.8×
2Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
138.09.2×
3Cuddalore Tamil Nadu, India
99.06.6×
4Grants Pass Oregon, United States
86.05.7×
5Gujranwala low-cost sensors Punjab, Pakistan
83.85.6×
6Lahore low-cost sensors Punjab, Pakistan
76.75.1×
7Multan low-cost sensors Punjab, Pakistan
74.65.0×
8Sialkot low-cost sensors Punjab, Pakistan
74.35.0×
9Bhiwadi Rajasthan, India
73.64.9×
10Dādri Uttar Pradesh, India
72.04.8×
11Narela Delhi, India
71.24.7×
12Faisalabad low-cost sensors Punjab, Pakistan
69.44.6×
13Karauli Rajasthan, India
69.34.6×
14Yellowknife low-cost sensors Northwest Territories, Canada
68.94.6×
15Noida Uttar Pradesh, India
68.64.6×
16Ghāziābād Uttar Pradesh, India
68.14.5×
17Gummidipundi Tamil Nadu, India
66.44.4×
18Addis Ababa Addis Ababa, Ethiopia
62.24.1×
19Greater Noida Uttar Pradesh, India
61.04.1×
20Rājgīr Bihar, India
60.64.0×
20Delhi Delhi, India
60.64.0×
22Blantyre low-cost sensors Southern Region, Malawi
58.63.9×
23Tonk Rajasthan, India
58.43.9×
24Aya Nagar Delhi, India
56.83.8×
25Muzaffarnagar Uttar Pradesh, India
55.93.7×
26Dushanbe Dushanbe, Tajikistan
54.83.7×
27Najafgarh Delhi, India
53.13.5×
28Bāghpat Uttar Pradesh, India
52.53.5×
29Meerut Uttar Pradesh, India
50.23.3×
30Agra Uttar Pradesh, India
50.03.3×
31Hanumāngarh Rajasthan, India
49.93.3×
32Jalgaon Maharashtra, India
48.53.2×
33Bahawalpur low-cost sensors Punjab, Pakistan
45.73.0×
34Rawalpindi low-cost sensors Punjab, Pakistan
45.63.0×
35Faridabad Haryana, India
45.43.0×
36Torrejón de Ardoz Madrid, Spain
44.43.0×
37Rasapūdipalem Andhra Pradesh, India
43.52.9×
38Morādābād Uttar Pradesh, India
43.42.9×
39Vereeniging low-cost sensors Gauteng, South Africa
43.12.9×
40Cranbrook British Columbia, Canada
42.92.9×
41Dausa Rajasthan, India
41.92.8×
42Gaya Bihar, India
41.52.8×
43Quetta low-cost sensors Balochistan, Pakistan
41.32.8×
44Coeur d'Alene Idaho, United States
41.12.7×
45Jaipur Rajasthan, India
40.92.7×
45Chittorgarh Rajasthan, India
40.92.7×
47Tirupati Andhra Pradesh, India
40.02.7×
48Dhaulpur Rajasthan, India
39.42.6×
49Baddi Himachal Pradesh, India
38.82.6×
50Kadapa Andhra Pradesh, India
38.22.5×
50Chāpra Bihar, India
38.22.5×
52Buxar Bihar, India
38.02.5×
53Karachi low-cost sensors Sindh, Pakistan
37.82.5×
54Chandigarh Chandigarh, India
37.62.5×
55Vapi Gujarat, India
36.72.4×
55Kharghar Maharashtra, India
36.72.4×
57Ropar Punjab, India
36.52.4×
58Lucknow Uttar Pradesh, India
36.12.4×
58Gwalior Madhya Pradesh, India
36.12.4×
60Ankleshwar Gujarat, India
36.02.4×
61Haarlem low-cost sensors North Holland, The Netherlands
35.92.4×
62Wadgaon Kolhati Maharashtra, India
35.82.4×
63Spokane Valley Washington, United States
35.32.4×
64Undera Gujarat, India
35.12.3×
65Sīkar Rajasthan, India
34.92.3×
65Jalandhar Punjab, India
34.92.3×
67Bharatpur Rajasthan, India
34.72.3×
68Spokane Washington, United States
34.02.3×
69Dubai low-cost sensors Dubai, United Arab Emirates
33.12.2×
70Badlapur Maharashtra, India
32.82.2×
71Nagaon Assam, India
32.02.1×
72Erlun Taiwan, Taiwan
31.82.1×
73Patiāla Punjab, India
31.22.1×
74Ajmer Rajasthan, India
31.02.1×
74Yuanlin Taiwan, Taiwan
31.02.1×
76Kalyān Maharashtra, India
30.82.1×
76Sri Ganganagar Rajasthan, India
30.82.1×
78Islamabad low-cost sensors Islamabad, Pakistan
30.72.0×
78Dhule Maharashtra, India
30.72.0×
80Rānīganj West Bengal, India
30.62.0×
81Lewiston Idaho, United States
30.32.0×
82Jhunjhunūn Rajasthan, India
30.22.0×
83Hājīpur Bihar, India
29.62.0×
84Iloilo low-cost sensors Western Visayas, Philippines
29.52.0×
85Arāria Bihar, India
29.32.0×
86Kota Rajasthan, India
29.21.9×
87Srinagar Jammu and Kashmir, India
28.91.9×
88Sawai Madhopur Rajasthan, India
28.51.9×
89Bhopal Madhya Pradesh, India
28.41.9×
89Anantapur Andhra Pradesh, India
28.41.9×
91Changhua Taiwan, Taiwan
28.01.9×
92Bikaner Rajasthan, India
27.71.8×
93Jalor Rajasthan, India
27.61.8×
93Aurangabad Maharashtra, India
27.61.8×
95Cholula Puebla, Mexico
27.51.8×
96Douliu Taiwan, Taiwan
27.31.8×
97Bārān Rajasthan, India
27.21.8×
98Bhilwara Rajasthan, India
27.11.8×
99Beigang Taiwan, Taiwan
27.01.8×
100Agartala Tripura, India
26.51.8×
100Wenatchee Washington, United States
26.51.8×
102Erlin Taiwan, Taiwan
25.81.7×
103Nalbāri Assam, India
25.71.7×
103Kelowna British Columbia, Canada
25.71.7×
105Taibao Taiwan, Taiwan
25.31.7×
106Boisar Maharashtra, India
25.01.7×
107Panvel Maharashtra, India
24.81.7×
108Pratāpgarh Rajasthan, India
24.61.6×
108Birmingham low-cost sensors England, United Kingdom
24.61.6×
110Changchun low-cost sensors Jilin, China
24.41.6×
111Chūru Rajasthan, India
24.31.6×
112Virār Maharashtra, India
24.01.6×
112Malegaon Maharashtra, India
24.01.6×
114Silchar Assam, India
23.91.6×
115Lethbridge Alberta, Canada
23.71.6×
116Moscow Idaho, United States
23.51.6×
117Serilingampalle Telangana, India
23.41.6×
118Tuxtla Chiapas, Mexico
23.31.6×
119Chānda Maharashtra, India
23.21.5×
119Bhiwandi Maharashtra, India
23.21.5×
121Nashik Maharashtra, India
22.81.5×
122Sirohi Rajasthan, India
22.71.5×
122Ahmedabad Gujarat, India
22.71.5×
124Buzi Taiwan, Taiwan
22.51.5×
124Mohali Punjab, India
22.51.5×
126Puebla Puebla, Mexico
22.41.5×
127Cuernavaca Morelos, Mexico
22.31.5×
128Būndi Rajasthan, India
22.01.5×
128Sarajevo Federation of B&H, Bosnia and Herzegovina
22.01.5×
130Hyderabad Telangana, India
21.71.4×
131Kanpur Uttar Pradesh, India
21.61.4×
133Rourkela Odisha, India
21.51.4×
134Naucalpan de Juárez México, Mexico
21.31.4×
134Royal Oak low-cost sensors Michigan, United States
21.31.4×
136Jodhpur Rajasthan, India
21.01.4×
137Nagpur Maharashtra, India
20.91.4×
137Gudalur Tamil Nadu, India
20.91.4×
139Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
20.81.4×
140Nandri Rajasthan, India
20.71.4×
141Indianapolis Indiana, United States
20.61.4×
142Patna Bihar, India
20.21.3×
143Dūngarpur Rajasthan, India
20.01.3×
143Angul Odisha, India
20.01.3×
143Santa Catarina Nuevo León, Mexico
20.01.3×
143Pimpri-Chinchwad Maharashtra, India
20.01.3×
147Indore Madhya Pradesh, India
19.91.3×
148Ōtsuki Yamanashi, Japan
19.81.3×
149Zhushan Taiwan, Taiwan
19.71.3×
150's-Gravenzande South Holland, The Netherlands
19.51.3×
151Radomsko Łódź Voivodeship, Poland
19.41.3×
152Siwān Bihar, India
19.31.3×
152Rairangpur Odisha, India
19.31.3×
152Berkeley California, United States
19.31.3×
155Rotterdam South Holland, The Netherlands
19.21.3×
156Nantou Taiwan, Taiwan
19.11.3×
156Schiedam South Holland, The Netherlands
19.11.3×
156Kłodzko Lower Silesia, Poland
19.11.3×
159Chennai Tamil Nadu, India
19.01.3×
160Spijkenisse South Holland, The Netherlands
18.91.3×
161Sukuta low-cost sensors Western, Gambia
18.81.3×
161Ridderkerk South Holland, The Netherlands
18.81.3×
161Maassluis South Holland, The Netherlands
18.81.3×
164Parbhani Maharashtra, India
18.61.2×
164Jaisalmer Rajasthan, India
18.61.2×
166Guwahati Assam, India
18.51.2×
166Kolkata West Bengal, India
18.51.2×
166Mumbai Maharashtra, India
18.51.2×
166Cherbourg Normandy, France
18.51.2×
166Gijón Asturias, Spain
18.51.2×
171Knokke-Heist Flanders, Belgium
18.21.2×
172Lagos low-cost sensors Lagos, Nigeria
18.11.2×
172Dunkirk Hauts-de-France, France
18.11.2×
174Jastrzębie Zdrój Silesia, Poland
18.01.2×
175Shakaskraal low-cost sensors KwaZulu-Natal, South Africa
17.81.2×
175Taichung Taiwan, Taiwan
17.81.2×
175Manchester low-cost sensors England, United Kingdom
17.81.2×
175Aarschot Flanders, Belgium
17.81.2×
179Chiayi City Taiwan, Taiwan
17.71.2×
179Breda North Brabant, The Netherlands
17.71.2×
179Barneveld Gelderland, The Netherlands
17.71.2×
179García Nuevo León, Mexico
17.71.2×
183Stabroek Flanders, Belgium
17.51.2×
183Roeselare Flanders, Belgium
17.51.2×
185Gandhinagar Gujarat, India
17.41.2×
185Bārmer Rajasthan, India
17.41.2×
185Xizhou Taiwan, Taiwan
17.41.2×
185Fuenlabrada Madrid, Spain
17.41.2×
189Yakima Washington, United States
17.31.2×
190Kathmandu low-cost sensors Bagmati Province, Nepal
17.21.1×
190Twin Falls Idaho, United States
17.21.1×
192Pune Maharashtra, India
17.11.1×
193Saugor Madhya Pradesh, India
17.01.1×
193IJsselstein Utrecht, The Netherlands
17.01.1×
193Roubaix Hauts-de-France, France
17.01.1×
193Rennes Brittany, France
17.01.1×
197Nāgaur Rajasthan, India
16.91.1×
197Latur Maharashtra, India
16.91.1×
199Hubballi Karnataka, India
16.71.1×
199Maarssen Utrecht, The Netherlands
16.71.1×

Top 200 of 2,309 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