SmogRank / History / August 2026

Most polluted cities, August 2026

2,305 cities ranked by their average PM2.5 over the 31 days. A city needs measurements on 70% of the days to be ranked.

#	City	µg/m³
1	Saltillo Coahuila, Mexico	184.6
2	Palembang low-cost sensors South Sumatra, Indonesia	81.5
3	Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo	72.7
4	Kampala low-cost sensors Central Region, Uganda	65.3
5	Dera Māndi Delhi, India	64.3
6	Gummidipundi Tamil Nadu, India	59.1
7	Lilongwe low-cost sensors Central Region, Malawi	56.8
8	Gujranwala low-cost sensors Punjab, Pakistan	54.5
9	Karonga low-cost sensors Northern Region, Malawi	52.8
10	Bhāgalpur Bihar, India	49.2
11	Lahore low-cost sensors Punjab, Pakistan	48.7
12	Faridabad Haryana, India	47.5
13	Dushanbe Dushanbe, Tajikistan	47.3
14	Siwān Bihar, India	46.3
15	Dhāruhera Haryana, India	46.1
16	Faisalabad low-cost sensors Punjab, Pakistan	45.8
17	Wenatchee Washington, United States	44.6
18	Kamloops British Columbia, Canada	44.1
19	Yamuna Nagar Haryana, India	43.5
20	Bhiwadi Rajasthan, India	43.1
21	Ubud low-cost sensors Bali, Indonesia	42.6
22	Dhaulpur Rajasthan, India	42.5
23	Blantyre low-cost sensors Southern Region, Malawi	42.0
24	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	41.6
25	Noida Uttar Pradesh, India	40.6
26	Vereeniging low-cost sensors Gauteng, South Africa	40.5
27	Multan low-cost sensors Punjab, Pakistan	40.3
28	Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe	39.0
29	Dubai low-cost sensors Dubai, United Arab Emirates	38.8
29	Zomba low-cost sensors Southern Region, Malawi	38.8
31	Mzuzu low-cost sensors Northern Region, Malawi	38.7
32	Jīnd Haryana, India	38.5
33	Jammu low-cost sensors Jammu and Kashmir, India	38.4
34	Jalandhar Punjab, India	38.3
35	Sialkot low-cost sensors Punjab, Pakistan	37.3
36	Vernon British Columbia, Canada	37.1
37	Anantapur Andhra Pradesh, India	36.7
38	Dhaka low-cost sensors Dhaka Division, Bangladesh	36.4
38	Kaithal Haryana, India	36.4
40	Ashaiman low-cost sensors Greater Accra, Ghana	36.3
41	Jharia Jharkhand, India	36.1
42	Chittorgarh Rajasthan, India	34.5
43	Undera Gujarat, India	33.9
44	Jaipur Rajasthan, India	33.8
45	Vijayawada Andhra Pradesh, India	33.0
45	Ahmedabad Gujarat, India	33.0
47	Thānesar Haryana, India	32.9
48	Delhi Delhi, India	32.8
49	Murree low-cost sensors Punjab, Pakistan	32.7
49	Muzaffarnagar Uttar Pradesh, India	32.7
51	Rawalpindi low-cost sensors Punjab, Pakistan	32.6
51	Islamabad low-cost sensors Islamabad, Pakistan	32.6
53	Quetta low-cost sensors Balochistan, Pakistan	32.4
54	Dādri Uttar Pradesh, India	31.9
55	Karnāl Haryana, India	31.7
56	Ajmer Rajasthan, India	31.6
57	Bhilwara Rajasthan, India	31.3
58	Ambāla Haryana, India	31.1
59	Tonk Rajasthan, India	30.4
60	Bahadurgarh Haryana, India	30.2
61	Tirupati Andhra Pradesh, India	29.9
62	Istanbul low-cost sensors Istanbul, Turkey	29.8
63	Lagos low-cost sensors Lagos, Nigeria	29.7
64	Baddi Himachal Pradesh, India	29.6
65	Meerut Uttar Pradesh, India	29.5
66	San Luis Potosí San Luis Potosí, Mexico	29.3
67	Narela Delhi, India	29.0
68	Iloilo low-cost sensors Western Visayas, Philippines	28.8
69	Moses Lake Washington, United States	28.7
70	Dūngarpur Rajasthan, India	28.5
71	Rasapūdipalem Andhra Pradesh, India	28.4
72	Kalyān Maharashtra, India	28.2
72	Cranbrook British Columbia, Canada	28.2
74	Sīkar Rajasthan, India	28.0
75	Tuxtla Chiapas, Mexico	27.9
75	Byasanagar Odisha, India	27.9
77	Aya Nagar Delhi, India	27.8
78	Kanpur Uttar Pradesh, India	27.7
79	Morādābād Uttar Pradesh, India	27.5
79	Spokane Valley Washington, United States	27.5
81	Jhālāwār Rajasthan, India	27.1
81	Walla Walla Washington, United States	27.1
83	Pratāpgarh Rajasthan, India	27.0
83	Spokane Washington, United States	27.0
85	Jounieh low-cost sensors Mount Lebanon, Lebanon	26.5
85	Rājsamand Rajasthan, India	26.5
85	Kota Rajasthan, India	26.5
85	Calexico California, United States	26.5
89	Tema low-cost sensors Greater Accra, Ghana	26.4
90	Hacienda Santa Fe Jalisco, Mexico	26.3
91	Nampa Idaho, United States	26.2
92	Najafgarh Delhi, India	25.9
93	Surat Gujarat, India	25.8
94	Ghāziābād Uttar Pradesh, India	25.7
95	Singapore low-cost sensors Singapore	25.6
96	Dausa Rajasthan, India	25.5
97	Karachi low-cost sensors Sindh, Pakistan	25.4
98	Beirut low-cost sensors Beirut, Lebanon	25.2
99	Redmond Oregon, United States	24.8
100	Hājīpur Bihar, India	24.7
100	Butwāl low-cost sensors Lumbini Province, Nepal	24.7
102	Begusarai Bihar, India	24.5
103	Panchkula Haryana, India	24.0
104	Coeur d'Alene Idaho, United States	23.9
105	Arāria Bihar, India	23.7
105	Mérida Yucatán, Mexico	23.7
107	Gaya Bihar, India	23.6
107	Chānda Maharashtra, India	23.6
109	Pendleton Oregon, United States	23.5
110	Bahawalpur low-cost sensors Punjab, Pakistan	23.4
110	Kelowna British Columbia, Canada	23.4
112	Thāne Maharashtra, India	23.2
112	Lucknow Uttar Pradesh, India	23.2
114	Boise Idaho, United States	23.1
115	Gwalior Madhya Pradesh, India	23.0
116	Yakima Washington, United States	22.5
117	Harare low-cost sensors Harare, Zimbabwe	22.4
117	Ellensburg Washington, United States	22.4
119	Silchar Assam, India	22.3
120	Sidon low-cost sensors South Governorate, Lebanon	22.1
120	Hubballi Karnataka, India	22.1
120	Bāghpat Uttar Pradesh, India	22.1
123	Sonīpat Haryana, India	22.0
123	Hyderabad Telangana, India	22.0
125	Meridian Idaho, United States	21.9
126	Chennai Tamil Nadu, India	21.8
126	Kolkata West Bengal, India	21.8
126	Lewiston Idaho, United States	21.8
129	Nagpur Maharashtra, India	21.7
130	Ankleshwar Gujarat, India	21.6
131	Jaisalmer Rajasthan, India	21.3
132	Aurangabad Maharashtra, India	21.2
133	Sri Ganganagar Rajasthan, India	21.1
133	Gandhinagar Gujarat, India	21.1
133	Boisar Maharashtra, India	21.1
136	Sawai Madhopur Rajasthan, India	21.0
136	Ciudad Nezahualcoyotl México, Mexico	21.0
136	Parque Industrial Ciudad Mitras Nuevo León, Mexico	21.0
139	Shivamogga Karnataka, India	20.9
139	Durgapur West Bengal, India	20.9
139	Great Falls Montana, United States	20.9
142	Hyderabad low-cost sensors Sindh, Pakistan	20.8
143	Quezon City low-cost sensors National Capital Region, Philippines	20.7
143	Wan Chai Wan Chai, Hong Kong	20.7
145	Hanumāngarh Rajasthan, India	20.6
145	Agra Uttar Pradesh, India	20.6
147	Changchun low-cost sensors Jilin, China	20.5
148	Quthbullapur Telangana, India	20.4
149	Jalor Rajasthan, India	20.3
150	Shrīrāmpur West Bengal, India	20.2
151	Kennewick Washington, United States	20.0
152	Atlixco Puebla, Mexico	19.9
153	Nanded Maharashtra, India	19.8
153	Bareilly Uttar Pradesh, India	19.8
153	Kharghar Maharashtra, India	19.8
156	Srinagar Jammu and Kashmir, India	19.7
156	Acerra Campania, Italy	19.7
156	Naucalpan de Juárez México, Mexico	19.7
159	Sirsa Haryana, India	19.6
159	Sirohi Rajasthan, India	19.6
159	Bhopal Madhya Pradesh, India	19.6
162	Akola Maharashtra, India	19.4
162	Missoula Montana, United States	19.4
164	Jabalpur Madhya Pradesh, India	19.2
164	Puebla Puebla, Mexico	19.2
164	Pasco Washington, United States	19.2
167	Saharsa Bihar, India	19.0
167	Jhunjhunūn Rajasthan, India	19.0
167	Jalgaon Maharashtra, India	19.0
167	Sunnyside Washington, United States	19.0
171	Bhubaneswar Odisha, India	18.8
171	Bānswāra Rajasthan, India	18.8
171	Marigliano Campania, Italy	18.8
174	Santa Catarina Nuevo León, Mexico	18.7
174	Tri-Cities Washington, United States	18.7
176	Ciudad General Escobedo Nuevo León, Mexico	18.6
177	Guadalajara Jalisco, Mexico	18.5
178	Rānīganj West Bengal, India	18.4
179	Latur Maharashtra, India	18.3
180	Prilep Prilep, North Macedonia	18.2
180	Bitola Bitola, North Macedonia	18.2
180	Indore Madhya Pradesh, India	18.2
180	Pullman Washington, United States	18.2
184	Burunday low-cost sensors Almaty Region, Kazakhstan	18.1
184	Silao de la Victoria Guanajuato, Mexico	18.1
184	Aguascalientes Aguascalientes, Mexico	18.1
184	Lethbridge Alberta, Canada	18.1
188	Gostivar Gostivar, North Macedonia	18.0
189	Bozeman Montana, United States	17.9
190	Jodhpur Rajasthan, India	17.8
190	Cuttack Odisha, India	17.8
190	Baripāda Odisha, India	17.8
190	Birkirkara low-cost sensors Birkirkara, Malta	17.8
190	Hermiston Oregon, United States	17.8
195	Pimpri-Chinchwad Maharashtra, India	17.7
195	Nandri Rajasthan, India	17.7
197	Ohrid Ohrid, North Macedonia	17.6
197	Moscow Idaho, United States	17.6
199	Gudalur Tamil Nadu, India	17.5
199	Celaya Guanajuato, Mexico	17.5

Top 200 of 2,305 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