SmogRank / History / October 2, 2025

Most polluted cities on October 2, 2025

1,867 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

#	City	µg/m³	× WHO
1	Gujranwala low-cost sensors Punjab, Pakistan	146.0	9.7×
2	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	107.0	7.1×
3	Cuddalore Tamil Nadu, India	102.0	6.8×
4	Lahore low-cost sensors Punjab, Pakistan	93.4	6.2×
5	Faisalabad low-cost sensors Punjab, Pakistan	88.6	5.9×
6	Sialkot low-cost sensors Punjab, Pakistan	80.3	5.4×
7	Dushanbe Dushanbe, Tajikistan	78.5	5.2×
8	Gurugram Haryana, India	64.3	4.3×
9	Multan low-cost sensors Punjab, Pakistan	63.2	4.2×
10	Rasapūdipalem Andhra Pradesh, India	56.5	3.8×
11	Mohali Punjab, India	56.4	3.8×
12	Gummidipundi Tamil Nadu, India	56.2	3.7×
13	Narela Delhi, India	56.1	3.7×
14	Faridabad Haryana, India	53.1	3.5×
15	Changchun low-cost sensors Jilin, China	52.5	3.5×
16	Noida Uttar Pradesh, India	52.0	3.5×
17	Hāpur Uttar Pradesh, India	51.1	3.4×
18	Rawalpindi low-cost sensors Punjab, Pakistan	50.5	3.4×
19	Dādri Uttar Pradesh, India	50.4	3.4×
20	Chittoor Andhra Pradesh, India	48.2	3.2×
21	Hanumāngarh Rajasthan, India	48.1	3.2×
22	Kampala low-cost sensors Central Region, Uganda	45.9	3.1×
23	Ghāziābād Uttar Pradesh, India	45.8	3.1×
24	Bhiwadi Rajasthan, India	44.9	3.0×
25	Delhi Delhi, India	43.7	2.9×
26	Greater Noida Uttar Pradesh, India	42.1	2.8×
27	Chandigarh Chandigarh, India	40.1	2.7×
28	Łask Łódź Voivodeship, Poland	40.0	2.7×
29	Ropar Punjab, India	39.1	2.6×
30	Dubai low-cost sensors Dubai, United Arab Emirates	39.0	2.6×
31	Bahawalpur low-cost sensors Punjab, Pakistan	38.8	2.6×
32	Islamabad low-cost sensors Islamabad, Pakistan	38.5	2.6×
33	Ambāla Haryana, India	38.3	2.6×
34	Tonk Rajasthan, India	38.2	2.5×
35	Hyderabad low-cost sensors Sindh, Pakistan	38.1	2.5×
36	Buxar Bihar, India	37.9	2.5×
37	Jabalpur Madhya Pradesh, India	37.7	2.5×
38	Kharghar Maharashtra, India	37.2	2.5×
39	Aya Nagar Delhi, India	37.0	2.5×
40	Morādābād Uttar Pradesh, India	36.8	2.5×
41	Najafgarh Delhi, India	36.1	2.4×
42	Nalbāri Assam, India	35.7	2.4×
43	Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe	35.3	2.4×
44	Sri Ganganagar Rajasthan, India	35.0	2.3×
45	Srinagar Jammu and Kashmir, India	34.6	2.3×
45	Serilingampalle Telangana, India	34.6	2.3×
47	Porto low-cost sensors Porto, Portugal	34.3	2.3×
48	Nagaon Assam, India	33.6	2.2×
48	Radomsko Łódź Voivodeship, Poland	33.6	2.2×
50	Bāghpat Uttar Pradesh, India	33.2	2.2×
51	Jīnd Haryana, India	32.9	2.2×
52	Quthbullapur Telangana, India	32.7	2.2×
53	Wenatchee Washington, United States	32.5	2.2×
54	Jaipur Rajasthan, India	31.9	2.1×
55	Kalisz Greater Poland, Poland	31.0	2.1×
56	Lucknow Uttar Pradesh, India	30.4	2.0×
57	Ajmer Rajasthan, India	30.1	2.0×
58	Patiāla Punjab, India	30.0	2.0×
59	Lagos low-cost sensors Lagos, Nigeria	29.9	2.0×
60	Wadgaon Kolhati Maharashtra, India	29.8	2.0×
61	Gent Flanders, Belgium	29.6	2.0×
62	Bielsko-Biala Silesia, Poland	29.2	1.9×
63	Karachi low-cost sensors Sindh, Pakistan	29.1	1.9×
64	Bhilwara Rajasthan, India	29.0	1.9×
65	Sirsa Haryana, India	28.2	1.9×
65	Aurangabad Maharashtra, India	28.2	1.9×
65	Haarlem low-cost sensors North Holland, The Netherlands	28.2	1.9×
68	Iloilo low-cost sensors Western Visayas, Philippines	28.0	1.9×
69	Chennai Tamil Nadu, India	27.9	1.9×
69	Vientiane low-cost sensors Vientiane Prefecture, Laos	27.9	1.9×
71	Patna Bihar, India	27.8	1.9×
72	Thānesar Haryana, India	27.7	1.8×
73	Kadapa Andhra Pradesh, India	27.6	1.8×
74	Dhule Maharashtra, India	27.5	1.8×
75	Quetta low-cost sensors Balochistan, Pakistan	27.0	1.8×
76	Sīkar Rajasthan, India	26.7	1.8×
77	Jastrzębie Zdrój Silesia, Poland	26.4	1.8×
78	San Salvador Tizatlalli México, Mexico	26.3	1.8×
79	Vereeniging low-cost sensors Gauteng, South Africa	26.2	1.7×
79	Jhunjhunūn Rajasthan, India	26.2	1.7×
81	Rourkela Odisha, India	25.9	1.7×
82	Blantyre low-cost sensors Southern Region, Malawi	25.8	1.7×
83	Bengaluru Karnataka, India	25.3	1.7×
84	Birmingham low-cost sensors England, United Kingdom	25.1	1.7×
85	Edmonton Alberta, Canada	25.0	1.7×
86	Kłodzko Lower Silesia, Poland	24.9	1.7×
87	Agra Uttar Pradesh, India	24.7	1.6×
88	Żyrardów Mazovia, Poland	24.5	1.6×
88	Silchar Assam, India	24.5	1.6×
90	Dębica Subcarpathia, Poland	24.0	1.6×
90	Cholula Puebla, Mexico	24.0	1.6×
90	Neelankarai Tamil Nadu, India	24.0	1.6×
93	Quezon City low-cost sensors National Capital Region, Philippines	23.9	1.6×
94	Radom Mazovia, Poland	23.4	1.6×
95	Chānda Maharashtra, India	23.3	1.6×
96	Kota Rajasthan, India	23.1	1.5×
96	Jhālāwār Rajasthan, India	23.1	1.5×
98	Cambridge low-cost sensors England, United Kingdom	23.0	1.5×
98	Saskatoon Saskatchewan, Canada	23.0	1.5×
100	Jalandhar Punjab, India	22.9	1.5×
101	Wrocław Lower Silesia, Poland	22.4	1.5×
102	Vijayapura Karnataka, India	22.2	1.5×
103	Otwock Mazovia, Poland	22.0	1.5×
104	Jarosław Subcarpathia, Poland	21.9	1.5×
104	Raipur Chhattisgarh, India	21.9	1.5×
106	Gwalior Madhya Pradesh, India	21.6	1.4×
106	Royal Oak low-cost sensors Michigan, United States	21.6	1.4×
108	Říčany low-cost sensors Central Bohemia, Czechia	21.5	1.4×
109	Żywiec Silesia, Poland	21.3	1.4×
109	Red Deer Alberta, Canada	21.3	1.4×
111	Starachowice Świętokrzyskie, Poland	21.2	1.4×
111	Baytown Texas, United States	21.2	1.4×
113	Badlapur Maharashtra, India	20.9	1.4×
113	Poznań Greater Poland, Poland	20.9	1.4×
113	Singrauli Madhya Pradesh, India	20.9	1.4×
116	Shivamogga Karnataka, India	20.8	1.4×
116	Czechowice-Dziedzice Silesia, Poland	20.8	1.4×
118	Saugor Madhya Pradesh, India	20.5	1.4×
119	Bangkok low-cost sensors Bangkok, Thailand	20.3	1.4×
120	Bhiwāni Haryana, India	20.2	1.3×
120	Houston Texas, United States	20.2	1.3×
120	Parque Industrial Ciudad Mitras Nuevo León, Mexico	20.2	1.3×
123	Khlong Luang low-cost sensors Pathum Thani, Thailand	20.0	1.3×
124	Nisko Subcarpathia, Poland	19.9	1.3×
124	Jalgaon Maharashtra, India	19.9	1.3×
124	Fengshan Takao, Taiwan	19.9	1.3×
127	Istanbul low-cost sensors Istanbul, Turkey	19.8	1.3×
127	Chittorgarh Rajasthan, India	19.8	1.3×
129	Mankato Minnesota, United States	19.6	1.3×
130	Mielec Subcarpathia, Poland	19.5	1.3×
130	Sāngli Maharashtra, India	19.5	1.3×
130	Winterthur low-cost sensors Zurich, Switzerland	19.5	1.3×
134	Vijayawada Andhra Pradesh, India	19.3	1.3×
134	Mexico City Mexico City, Mexico	19.3	1.3×
136	Avilés Asturias, Spain	19.1	1.3×
137	Užice Central Serbia, Serbia	19.0	1.3×
137	Moore Oklahoma, United States	19.0	1.3×
139	Vapi Gujarat, India	18.9	1.3×
140	Ahmedabad Gujarat, India	18.8	1.3×
141	Chūru Rajasthan, India	18.7	1.2×
142	Mahād Maharashtra, India	18.6	1.2×
143	Nagpur Maharashtra, India	18.5	1.2×
143	Kalaburagi Karnataka, India	18.5	1.2×
145	Yuanlin Taiwan, Taiwan	18.4	1.2×
146	Coimbatore Tamil Nadu, India	18.3	1.2×
147	Agartala Tripura, India	18.2	1.2×
147	García Nuevo León, Mexico	18.2	1.2×
149	Obrenovac Central Serbia, Serbia	18.1	1.2×
149	Panvel Maharashtra, India	18.1	1.2×
149	Sukuta low-cost sensors Western, Gambia	18.1	1.2×
152	Nandri Rajasthan, India	18.0	1.2×
153	Amravati Maharashtra, India	17.9	1.2×
154	Rzeszów Subcarpathia, Poland	17.7	1.2×
154	Szczecin West Pomerania, Poland	17.7	1.2×
156	Jelenia Góra Lower Silesia, Poland	17.6	1.2×
157	Sherwood Park Alberta, Canada	17.5	1.2×
158	Arrah Bihar, India	17.4	1.2×
159	Ashaiman low-cost sensors Greater Accra, Ghana	17.3	1.2×
159	Columbia low-cost sensors Missouri, United States	17.3	1.2×
161	Rānīganj West Bengal, India	17.2	1.1×
161	Queenstown Estate low-cost sensors Singapore	17.2	1.1×
161	Brzeg Opole Voivodeship, Poland	17.2	1.1×
164	Ankleshwar Gujarat, India	17.1	1.1×
164	Ciudad Benito Juárez Nuevo León, Mexico	17.1	1.1×
166	Kielce Świętokrzyskie, Poland	17.0	1.1×
166	Pune Maharashtra, India	17.0	1.1×
166	Bang Pakong low-cost sensors Chachoengsao, Thailand	17.0	1.1×
169	Salamanca Guanajuato, Mexico	16.9	1.1×
169	St. Albert Alberta, Canada	16.9	1.1×
171	Hacienda Santa Fe Jalisco, Mexico	16.8	1.1×
172	Pratāpgarh Rajasthan, India	16.7	1.1×
172	Tlaquepaque Jalisco, Mexico	16.7	1.1×
172	Pasadena Texas, United States	16.7	1.1×
172	Sai Mai low-cost sensors Bangkok, Thailand	16.7	1.1×
176	Tarnów Lesser Poland, Poland	16.6	1.1×
177	Hubballi Karnataka, India	16.5	1.1×
177	Daxi Taiwan, Taiwan	16.5	1.1×
177	Knokke-Heist Flanders, Belgium	16.5	1.1×
180	Jalor Rajasthan, India	16.4	1.1×
180	Wan Chai Wan Chai, Hong Kong	16.4	1.1×
180	Miyakonojō Miyazaki, Japan	16.4	1.1×
180	Tema low-cost sensors Greater Accra, Ghana	16.4	1.1×
180	Puebla Puebla, Mexico	16.4	1.1×
180	Kirishima Kagoshima, Japan	16.4	1.1×
186	Akola Maharashtra, India	16.3	1.1×
186	Fort Dodge Iowa, United States	16.3	1.1×
188	Rishīkesh Uttarakhand, India	16.2	1.1×
188	Zielona Góra Lubusz, Poland	16.2	1.1×
190	Buzi Taiwan, Taiwan	16.1	1.1×
190	Bydgoszcz Kujawsko-Pomorskie, Poland	16.1	1.1×
192	Toruń Kujawsko-Pomorskie, Poland	16.0	1.1×
192	San Luis de la Paz Guanajuato, Mexico	16.0	1.1×
194	Perundurai Tamil Nadu, India	15.9	1.1×
194	Łódź Łódź Voivodeship, Poland	15.9	1.1×
194	Superior Wisconsin, United States	15.9	1.1×
197	Wawer Mazovia, Poland	15.8	1.1×
197	Jasło Subcarpathia, Poland	15.8	1.1×
197	Nashik Maharashtra, India	15.8	1.1×
197	Madikeri Karnataka, India	15.8	1.1×

Top 200 of 1,867 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