SmogRank / History / week of September 21, 2026

Most polluted cities, week of September 21, 2026

2,357 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	Gujranwala low-cost sensors Punjab, Pakistan	99.3
2	Lahore low-cost sensors Punjab, Pakistan	94.1
2	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	94.1
4	Dera Māndi Delhi, India	93.1
5	Gurugram Haryana, India	86.6
6	Yamuna Nagar Haryana, India	78.7
7	Multan low-cost sensors Punjab, Pakistan	78.4
8	Jīnd Haryana, India	75.2
9	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	74.0
10	Faisalabad low-cost sensors Punjab, Pakistan	73.5
11	Sialkot low-cost sensors Punjab, Pakistan	73.2
12	Jammu low-cost sensors Jammu and Kashmir, India	72.9
13	Rahim Yar Khan low-cost sensors Punjab, Pakistan	67.9
14	Lilongwe low-cost sensors Central Region, Malawi	67.8
15	Dādri Uttar Pradesh, India	64.6
16	Saint-Louis low-cost sensors Saint-Louis, Senegal	64.0
17	Bahawalpur low-cost sensors Punjab, Pakistan	63.7
18	Kampala low-cost sensors Central Region, Uganda	63.4
19	Zomba low-cost sensors Southern Region, Malawi	63.3
20	Dubai low-cost sensors Dubai, United Arab Emirates	62.9
21	Kaithal Haryana, India	60.7
22	Blantyre low-cost sensors Southern Region, Malawi	58.2
23	Sri Ganganagar Rajasthan, India	56.6
24	Bahadurgarh Haryana, India	55.9
25	Dhāruhera Haryana, India	54.2
26	Kalyān Maharashtra, India	50.7
27	Tabanan low-cost sensors Bali, Indonesia	49.6
28	Narela Delhi, India	48.8
29	Hanumāngarh Rajasthan, India	48.2
30	Jalandhar Punjab, India	48.1
31	Parbhani Maharashtra, India	48.0
32	Rawalpindi low-cost sensors Punjab, Pakistan	47.7
33	Thānesar Haryana, India	47.6
34	Delhi Delhi, India	47.0
35	Karonga low-cost sensors Northern Region, Malawi	46.8
36	Noida Uttar Pradesh, India	46.6
37	Muzaffarnagar Uttar Pradesh, India	46.4
37	Ambāla Haryana, India	46.4
39	Najafgarh Delhi, India	46.2
40	Bhiwāni Haryana, India	45.9
41	Ubud low-cost sensors Bali, Indonesia	45.8
42	Ahmedabad Gujarat, India	45.3
43	Singapore low-cost sensors Singapore	45.1
44	Alipur low-cost sensors Islamabad, Pakistan	44.7
45	Islamabad low-cost sensors Islamabad, Pakistan	43.2
45	Hāpur Uttar Pradesh, India	43.2
47	Arāria Bihar, India	43.1
48	Sonīpat Haryana, India	43.0
48	Aya Nagar Delhi, India	43.0
50	Kuala Lumpur low-cost sensors Kuala Lumpur, Malaysia	42.8
51	Queenstown Estate low-cost sensors Singapore	42.5
52	Chittoor Andhra Pradesh, India	42.4
53	Baddi Himachal Pradesh, India	42.2
54	Bhilwara Rajasthan, India	42.1
54	Aurangabad Maharashtra, India	42.1
56	Chittorgarh Rajasthan, India	42.0
57	Dalung low-cost sensors Bali, Indonesia	41.8
58	Bhiwadi Rajasthan, India	41.7
59	Gandhinagar Gujarat, India	41.6
60	Meerut Uttar Pradesh, India	40.8
60	Bāghpat Uttar Pradesh, India	40.8
62	Mzuzu low-cost sensors Northern Region, Malawi	40.7
63	Dausa Rajasthan, India	40.3
64	Ghāziābād Uttar Pradesh, India	40.1
65	Undera Gujarat, India	39.8
66	Nanded Maharashtra, India	39.3
67	Nalbāri Assam, India	38.2
68	Tonk Rajasthan, India	36.7
69	Vereeniging low-cost sensors Gauteng, South Africa	36.6
70	Dūngarpur Rajasthan, India	36.5
71	Nagaon Assam, India	36.3
72	Kadapa Andhra Pradesh, India	36.2
73	Denpasar low-cost sensors Bali, Indonesia	36.1
74	Tirupati Andhra Pradesh, India	36.0
74	Jalgaon Maharashtra, India	36.0
76	Saharsa Bihar, India	35.8
76	Jaipur Rajasthan, India	35.8
78	Bikaner Rajasthan, India	35.4
79	Surat Gujarat, India	35.2
80	Mangaluru Karnataka, India	34.9
81	Anantapur Andhra Pradesh, India	34.8
82	Dhaka low-cost sensors Dhaka Division, Bangladesh	34.4
83	Jhunjhunūn Rajasthan, India	34.2
83	Faridabad Haryana, India	34.2
85	San Luis Potosí San Luis Potosí, Mexico	34.0
86	Ajmer Rajasthan, India	33.9
87	Amaravati Andhra Pradesh, India	33.8
88	Dushanbe Dushanbe, Tajikistan	33.6
88	Pratāpgarh Rajasthan, India	33.6
90	Iloilo low-cost sensors Western Visayas, Philippines	33.5
91	Murree low-cost sensors Punjab, Pakistan	33.4
92	Harare low-cost sensors Harare, Zimbabwe	33.3
93	Malegaon Maharashtra, India	32.7
94	Būndi Rajasthan, India	31.9
95	Chūru Rajasthan, India	31.4
96	Serilingampalle Telangana, India	31.2
97	Jhālāwār Rajasthan, India	31.0
98	Vijayawada Andhra Pradesh, India	30.6
99	Morādābād Uttar Pradesh, India	30.3
100	Sholapur Maharashtra, India	30.1
101	Patiāla Punjab, India	30.0
101	Calexico California, United States	30.0
103	Sawai Madhopur Rajasthan, India	29.7
104	Kota Rajasthan, India	29.3
105	Karnāl Haryana, India	29.2
106	Hyderabad low-cost sensors Sindh, Pakistan	29.0
107	Rājsamand Rajasthan, India	28.7
107	Jodhpur Rajasthan, India	28.7
109	Agra Uttar Pradesh, India	28.6
110	Karachi low-cost sensors Sindh, Pakistan	28.3
111	Rasapūdipalem Andhra Pradesh, India	27.8
112	Mahād Maharashtra, India	27.4
112	Hacienda Santa Fe Jalisco, Mexico	27.4
114	Nāgaur Rajasthan, India	27.1
115	Siwān Bihar, India	26.7
115	Gwalior Madhya Pradesh, India	26.7
117	Srinagar Jammu and Kashmir, India	26.5
117	Sīkar Rajasthan, India	26.5
119	Nashik Maharashtra, India	26.4
120	Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe	26.0
120	Dhaulpur Rajasthan, India	26.0
122	Pune Maharashtra, India	25.7
123	Wadgaon Kolhati Maharashtra, India	25.3
124	Boisar Maharashtra, India	25.0
125	Tuxtla Chiapas, Mexico	24.8
126	Shakaskraal low-cost sensors KwaZulu-Natal, South Africa	24.7
127	Panvel Maharashtra, India	24.3
127	Chennai Tamil Nadu, India	24.3
129	Chānda Maharashtra, India	24.1
130	Hubballi Karnataka, India	24.0
130	Ahilyanagar Maharashtra, India	24.0
132	Jalor Rajasthan, India	23.8
132	Quezon City low-cost sensors National Capital Region, Philippines	23.8
134	Quetta low-cost sensors Balochistan, Pakistan	23.7
134	Lucknow Uttar Pradesh, India	23.7
134	Ibadan low-cost sensors Oyo State, Nigeria	23.7
137	Jaisalmer Rajasthan, India	23.5
138	Bhopal Madhya Pradesh, India	23.4
139	Chandigarh Chandigarh, India	23.3
140	Karauli Rajasthan, India	23.2
141	Nagpur Maharashtra, India	22.9
142	Hājīpur Bihar, India	22.7
143	Latur Maharashtra, India	22.6
144	Pimpri-Chinchwad Maharashtra, India	22.4
145	Nandri Rajasthan, India	22.3
146	Bharatpur Rajasthan, India	22.1
146	Wan Chai Wan Chai, Hong Kong	22.1
148	Thāne Maharashtra, India	21.7
148	Hyderabad Telangana, India	21.7
150	Istanbul low-cost sensors Istanbul, Turkey	21.6
150	Mumbai Maharashtra, India	21.6
150	Bareilly Uttar Pradesh, India	21.6
153	Gaya Bihar, India	21.2
153	Taguig low-cost sensors National Capital Region, Philippines	21.2
155	Bhayandar Maharashtra, India	20.9
156	Lagos low-cost sensors Lagos, Nigeria	20.7
157	San Salvador Tizatlalli México, Mexico	20.4
158	Yadgir Karnataka, India	20.3
158	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	20.3
160	Durgapur West Bengal, India	20.2
161	Obrenovac Central Serbia, Serbia	20.1
162	Keonjhargarh Odisha, India	20.0
162	Kharghar Maharashtra, India	20.0
164	Bārmer Rajasthan, India	19.9
165	Baku Baki, Azerbaijan	19.8
165	Yuanlin Taiwan, Taiwan	19.8
167	Vientiane low-cost sensors Vientiane Prefecture, Laos	19.7
168	Quthbullapur Telangana, India	19.6
169	Agartala Tripura, India	19.5
170	Sirsa Haryana, India	19.4
171	Burunday low-cost sensors Almaty Region, Kazakhstan	19.3
172	Byasanagar Odisha, India	19.2
173	Raipur Chhattisgarh, India	19.1
173	Zhushan Taiwan, Taiwan	19.1
175	Kanpur Uttar Pradesh, India	19.0
175	Begusarai Bihar, India	19.0
177	Indore Madhya Pradesh, India	18.9
177	Bhiwandi Maharashtra, India	18.9
179	Douliu Taiwan, Taiwan	18.8
179	Porto low-cost sensors Porto, Portugal	18.8
179	Santa Anita Jalisco, Mexico	18.8
182	Silchar Assam, India	18.6
183	Amravati Maharashtra, India	18.5
183	Beigang Taiwan, Taiwan	18.5
185	Ropar Punjab, India	18.4
186	Patna Bihar, India	18.3
186	Kolkata West Bengal, India	18.3
188	Naharlagun Arunachal Pradesh, India	18.2
189	Rānīganj West Bengal, India	18.1
189	Angul Odisha, India	18.1
189	Erlun Taiwan, Taiwan	18.1
192	Ashaiman low-cost sensors Greater Accra, Ghana	18.0
193	Gudalur Tamil Nadu, India	17.9
193	Guadalajara Jalisco, Mexico	17.9
195	Erlin Taiwan, Taiwan	17.8
196	Taichung Taiwan, Taiwan	17.7
196	Puli Taiwan, Taiwan	17.7
198	Yerevan low-cost sensors Yerevan, Armenia	17.5
198	Akola Maharashtra, India	17.5
198	Nantou Taiwan, Taiwan	17.5

Top 200 of 2,357 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