SmogRank / History / October 21, 2025

Most polluted cities on October 21, 2025

2,246 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← October 20, 2025October 22, 2025 →
#City µg/m³× WHO
1Jīnd Haryana, India
493.032.9×
2Gurugram Haryana, India
317.021.1×
3Dhāruhera Haryana, India
294.019.6×
4Najafgarh Delhi, India
278.018.5×
5Stodůlky low-cost sensors Prague, Czechia
257.817.2×
6Delhi Delhi, India
253.016.9×
7Aya Nagar Delhi, India
248.016.5×
8Yamuna Nagar Haryana, India
246.016.4×
9Bhiwadi Rajasthan, India
242.016.1×
10Bahadurgarh Haryana, India
240.016.0×
11Narela Delhi, India
225.015.0×
12Jaipur Rajasthan, India
224.014.9×
13Lucknow Uttar Pradesh, India
216.514.4×
14Noida Uttar Pradesh, India
215.014.3×
15Ahmedabad Gujarat, India
211.514.1×
16Sirsa Haryana, India
194.012.9×
17Bhiwāni Haryana, India
191.012.7×
17Wadgaon Kolhati Maharashtra, India
191.012.7×
19Bhilwara Rajasthan, India
190.012.7×
20Ghāziābād Uttar Pradesh, India
183.012.2×
21Lahore low-cost sensors Punjab, Pakistan
180.512.0×
21Gwalior Madhya Pradesh, India
180.512.0×
23Hāpur Uttar Pradesh, India
176.011.7×
24Jalandhar Punjab, India
174.011.6×
25Hājīpur Bihar, India
173.011.5×
26Ajmer Rajasthan, India
171.011.4×
27Greater Noida Uttar Pradesh, India
170.011.3×
28Ambāla Haryana, India
169.011.3×
29Karnāl Haryana, India
167.011.1×
29Kanpur Uttar Pradesh, India
167.011.1×
31Bahawalpur low-cost sensors Punjab, Pakistan
165.511.0×
32Faisalabad low-cost sensors Punjab, Pakistan
165.011.0×
33Dhaulpur Rajasthan, India
156.010.4×
34Sonīpat Haryana, India
155.010.3×
35Multan low-cost sensors Punjab, Pakistan
154.010.3×
35Jalor Rajasthan, India
154.010.3×
37Bhopal Madhya Pradesh, India
150.010.0×
38Dādri Uttar Pradesh, India
148.09.9×
39Sri Ganganagar Rajasthan, India
147.09.8×
39Bārmer Rajasthan, India
147.09.8×
41Gujranwala low-cost sensors Punjab, Pakistan
146.09.7×
41Bhayandar Maharashtra, India
146.09.7×
43Kota Rajasthan, India
144.09.6×
44Bikaner Rajasthan, India
142.09.5×
45Kaithal Haryana, India
140.09.3×
46Morādābād Uttar Pradesh, India
139.09.3×
47Saugor Madhya Pradesh, India
137.09.1×
47Nalbāri Assam, India
137.09.1×
49Faridabad Haryana, India
135.09.0×
50Hanumāngarh Rajasthan, India
126.08.4×
51Muzaffarnagar Uttar Pradesh, India
125.08.3×
51Bāghpat Uttar Pradesh, India
125.08.3×
53Kolkata West Bengal, India
124.58.3×
54Haldia West Bengal, India
124.08.3×
54Undera Gujarat, India
124.08.3×
56Saharsa Bihar, India
123.08.2×
57Tonk Rajasthan, India
122.08.1×
58Chittorgarh Rajasthan, India
119.07.9×
59Patiāla Punjab, India
118.07.9×
59Dhule Maharashtra, India
118.07.9×
61Jhālāwār Rajasthan, India
115.07.7×
61Barbil Odisha, India
115.07.7×
63Dūngarpur Rajasthan, India
114.07.6×
64Jalgaon Maharashtra, India
113.07.5×
64Jaisalmer Rajasthan, India
113.07.5×
66Patna Bihar, India
110.07.3×
66Dausa Rajasthan, India
110.07.3×
66Bharatpur Rajasthan, India
110.07.3×
69Nashik Maharashtra, India
109.77.3×
70Vapi Gujarat, India
108.07.2×
71Cuttack Odisha, India
107.07.1×
72Meerut Uttar Pradesh, India
104.06.9×
73Arāria Bihar, India
102.06.8×
74Nanded Maharashtra, India
101.06.7×
74Gandhinagar Gujarat, India
101.06.7×
76Coimbatore Tamil Nadu, India
98.86.6×
77Thānesar Haryana, India
98.66.6×
77Nāgaur Rajasthan, India
98.66.6×
79Chandigarh Chandigarh, India
98.46.6×
80Jodhpur Rajasthan, India
95.36.4×
81Mumbai Maharashtra, India
94.36.3×
81Ankleshwar Gujarat, India
94.36.3×
83Chūru Rajasthan, India
94.26.3×
84Sīkar Rajasthan, India
92.26.1×
85Singrauli Madhya Pradesh, India
89.46.0×
86Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
88.65.9×
87Begusarai Bihar, India
87.95.9×
88Rānīganj West Bengal, India
85.15.7×
88Mohali Punjab, India
85.15.7×
90Bhubaneswar Odisha, India
84.85.7×
90Prayagraj Uttar Pradesh, India
84.85.7×
92Karauli Rajasthan, India
83.25.5×
93Rājsamand Rajasthan, India
82.65.5×
94Jhunjhunūn Rajasthan, India
81.15.4×
95Shrīrāmpur West Bengal, India
81.05.4×
95Indore Madhya Pradesh, India
81.05.4×
97Būndi Rajasthan, India
80.35.4×
98Sialkot low-cost sensors Punjab, Pakistan
79.45.3×
99Kalyān Maharashtra, India
77.65.2×
100Pune Maharashtra, India
75.15.0×
100Parbhani Maharashtra, India
75.15.0×
102Virār Maharashtra, India
74.45.0×
103Panvel Maharashtra, India
74.24.9×
104Nagpur Maharashtra, India
74.04.9×
105Sirohi Rajasthan, India
72.94.9×
106Karachi low-cost sensors Sindh, Pakistan
71.44.8×
106Baddi Himachal Pradesh, India
71.44.8×
108Saltillo Coahuila, Mexico
71.34.8×
109Jabalpur Madhya Pradesh, India
70.34.7×
110Angul Odisha, India
69.04.6×
111Rawalpindi low-cost sensors Punjab, Pakistan
68.54.6×
112Bānswāra Rajasthan, India
68.34.6×
113Quetta low-cost sensors Balochistan, Pakistan
67.64.5×
114Pratāpgarh Rajasthan, India
67.54.5×
115Nandri Rajasthan, India
67.24.5×
116Mahād Maharashtra, India
66.94.5×
117Sawai Madhopur Rajasthan, India
66.04.4×
118Chittoor Andhra Pradesh, India
65.94.4×
119Chāpra Bihar, India
65.44.4×
120Byasanagar Odisha, India
65.14.3×
121Bhāgalpur Bihar, India
64.54.3×
122Dushanbe Dushanbe, Tajikistan
64.44.3×
122Akola Maharashtra, India
64.44.3×
124Tirupati Andhra Pradesh, India
63.54.2×
124Āsansol West Bengal, India
63.54.2×
124Neelankarai Tamil Nadu, India
63.54.2×
127Ropar Punjab, India
63.04.2×
128Boisar Maharashtra, India
60.74.0×
129Pimpri-Chinchwad Maharashtra, India
60.54.0×
130Cuddalore Tamil Nadu, India
59.94.0×
131Bettiah Bihar, India
59.44.0×
132Buxar Bihar, India
58.43.9×
133Baripāda Odisha, India
57.63.8×
134Arrah Bihar, India
57.13.8×
135Durgapur West Bengal, India
54.83.7×
136Chennai Tamil Nadu, India
54.53.6×
137Keonjhargarh Odisha, India
54.03.6×
137Amravati Maharashtra, India
54.03.6×
139Nagaon Assam, India
53.43.6×
140Islamabad low-cost sensors Islamabad, Pakistan
52.53.5×
141Sasarām Bihar, India
52.03.5×
142Guwahati Assam, India
51.93.5×
143Kharghar Maharashtra, India
51.43.4×
144Gaya Bihar, India
51.23.4×
145Rourkela Odisha, India
50.83.4×
146Tulare low-cost sensors California, United States
50.43.4×
147Latur Maharashtra, India
49.43.3×
148Lilongwe low-cost sensors Central Region, Malawi
48.83.3×
149Kolhāpur Maharashtra, India
48.33.2×
150Bārān Rajasthan, India
48.23.2×
151Anantapur Andhra Pradesh, India
48.13.2×
152Bhiwandi Maharashtra, India
47.73.2×
153Changchun low-cost sensors Jilin, China
45.93.1×
154Rājgīr Bihar, India
45.53.0×
155Surat Gujarat, India
44.83.0×
156Gummidipundi Tamil Nadu, India
44.63.0×
157Banja Luka Srpska, Bosnia and Herzegovina
43.62.9×
158Kampala low-cost sensors Central Region, Uganda
43.32.9×
159Ahilyanagar Maharashtra, India
42.62.8×
160Zagreb low-cost sensors Zagreb, Croatia
41.02.7×
161Siwān Bihar, India
40.92.7×
162Aurangabad Maharashtra, India
40.62.7×
162Naharlagun Arunachal Pradesh, India
40.62.7×
164Dubai low-cost sensors Dubai, United Arab Emirates
40.52.7×
165Joda Odisha, India
40.22.7×
166Kadapa Andhra Pradesh, India
38.52.6×
167Bhelai Chhattisgarh, India
38.42.6×
168Srinagar Jammu and Kashmir, India
38.22.5×
169Shillong Meghalaya, India
37.42.5×
169Quthbullapur Telangana, India
37.42.5×
171Czechowice-Dziedzice Silesia, Poland
35.72.4×
172Kathmandu low-cost sensors Bagmati Province, Nepal
34.62.3×
173Khlong Luang low-cost sensors Pathum Thani, Thailand
34.42.3×
174Vijayawada Andhra Pradesh, India
33.72.2×
175Blantyre low-cost sensors Southern Region, Malawi
33.62.2×
175Bengaluru Karnataka, India
33.62.2×
175Agra Uttar Pradesh, India
33.62.2×
178Strumica Strumica, North Macedonia
33.22.2×
178Sholapur Maharashtra, India
33.22.2×
180Bakersfield California, United States
33.12.2×
181Sāngli Maharashtra, India
32.92.2×
182Hyderabad Telangana, India
32.52.2×
182Trento Trentino-Alto Adige, Italy
32.52.2×
182Pljevlja Pljevlja, Montenegro
32.52.2×
185Debrecen low-cost sensors Hajdú-Bihar, Hungary
32.32.2×
186Vientiane low-cost sensors Vientiane Prefecture, Laos
32.22.1×
187Tetovo Tetovo, North Macedonia
31.22.1×
188Serilingampalle Telangana, India
30.42.0×
189Gevgelija Gevgelija, North Macedonia
30.02.0×
189Żywiec Silesia, Poland
30.02.0×
191Vijayapura Karnataka, India
29.52.0×
192Bareilly Uttar Pradesh, India
28.91.9×
192Santa Catarina Nuevo León, Mexico
28.91.9×
194Durg Chhattisgarh, India
28.81.9×
195Kazincbarcika Borsod-Abaúj-Zemplén, Hungary
28.71.9×
196Ciudad Benito Juárez Nuevo León, Mexico
28.61.9×
196Sai Mai low-cost sensors Bangkok, Thailand
28.61.9×
198Bijelo Polje Bijelo Polje, Montenegro
28.41.9×
198Morrisville North Carolina, United States
28.41.9×
200Lagos low-cost sensors Lagos, Nigeria
28.21.9×

Top 200 of 2,246 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