SmogRank / History / week of March 30, 2026

Most polluted cities, week of March 30, 2026

2,304 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	Chiang Mai low-cost sensors Chiang Mai, Thailand	160.2
2	Vientiane low-cost sensors Vientiane Prefecture, Laos	122.4
3	Changchun low-cost sensors Jilin, China	112.9
4	Gurugram Haryana, India	108.9
5	Faridabad Haryana, India	96.6
6	Dādri Uttar Pradesh, India	88.1
7	Uttaradit low-cost sensors Uttaradit, Thailand	88.0
8	Bhiwāni Haryana, India	81.6
9	Joda Odisha, India	79.4
10	Arāria Bihar, India	74.9
11	Sonīpat Haryana, India	73.5
12	Hājīpur Bihar, India	71.1
13	Dhaka low-cost sensors Dhaka Division, Bangladesh	68.4
14	Narela Delhi, India	68.0
15	Kampala low-cost sensors Central Region, Uganda	67.0
16	Singrauli Madhya Pradesh, India	66.2
17	Yamuna Nagar Haryana, India	64.6
18	Noida Uttar Pradesh, India	64.3
19	Delhi Delhi, India	58.5
20	Kathmandu low-cost sensors Bagmati Province, Nepal	57.5
21	Bhelai Chhattisgarh, India	57.0
22	Bhiwadi Rajasthan, India	56.9
23	Hāpur Uttar Pradesh, India	56.2
24	Jīnd Haryana, India	56.0
25	Faisalabad low-cost sensors Punjab, Pakistan	55.1
26	Angul Odisha, India	54.8
27	Barbil Odisha, India	53.5
28	Ghāziābād Uttar Pradesh, India	53.4
29	Mangaluru Karnataka, India	52.6
30	Dhāruhera Haryana, India	51.4
31	Ambāla Haryana, India	51.1
32	Karnāl Haryana, India	50.9
33	Greater Noida Uttar Pradesh, India	50.5
34	Sirsa Haryana, India	49.4
35	Muzaffarnagar Uttar Pradesh, India	49.3
36	Jharia Jharkhand, India	48.9
37	Chrang Chamreh Muoy low-cost sensors Phnom Penh, Cambodia	48.3
38	Byasanagar Odisha, India	48.1
39	Keonjhargarh Odisha, India	47.4
40	Gummidipundi Tamil Nadu, India	47.3
41	Jaipur Rajasthan, India	46.6
42	Jalgaon Maharashtra, India	46.0
43	Najafgarh Delhi, India	45.8
44	Baddi Himachal Pradesh, India	45.4
45	Rourkela Odisha, India	45.1
46	Kadapa Andhra Pradesh, India	45.0
47	Bāghpat Uttar Pradesh, India	44.3
48	Meerut Uttar Pradesh, India	44.2
49	Burunday low-cost sensors Almaty Region, Kazakhstan	44.1
50	Thānesar Haryana, India	43.9
51	Undera Gujarat, India	42.6
52	Otegen Batyra low-cost sensors Almaty Region, Kazakhstan	42.3
53	Chūru Rajasthan, India	42.1
54	Phuntsholing low-cost sensors Chukha, Bhutan	41.7
55	Lucknow Uttar Pradesh, India	41.4
56	Siwān Bihar, India	41.3
56	Patna Bihar, India	41.3
56	Baripāda Odisha, India	41.3
59	Bahawalpur low-cost sensors Punjab, Pakistan	41.1
60	Kaithal Haryana, India	41.0
61	Sukuta low-cost sensors Western, Gambia	40.9
62	Lahore low-cost sensors Punjab, Pakistan	40.1
63	Gwalior Madhya Pradesh, India	38.4
64	Durgapur West Bengal, India	38.3
65	Vijayawada Andhra Pradesh, India	37.6
66	Agartala Tripura, India	37.5
67	Nagpur Maharashtra, India	36.9
68	Sholapur Maharashtra, India	36.5
68	Panchkula Haryana, India	36.5
70	Gujranwala low-cost sensors Punjab, Pakistan	36.2
71	Talghar low-cost sensors Almaty Region, Kazakhstan	35.5
72	Chānda Maharashtra, India	35.4
73	Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan	35.3
74	Khlong Luang low-cost sensors Pathum Thani, Thailand	35.1
75	Indore Madhya Pradesh, India	34.9
76	Chittoor Andhra Pradesh, India	34.8
77	San Luis Potosí San Luis Potosí, Mexico	34.7
78	Ajmer Rajasthan, India	34.0
79	Yadgir Karnataka, India	33.7
80	Łask Łódź Voivodeship, Poland	33.6
80	Tuxtla Chiapas, Mexico	33.6
82	Rawalpindi low-cost sensors Punjab, Pakistan	33.5
82	Thāne Maharashtra, India	33.5
84	Tirumala Andhra Pradesh, India	33.4
85	Târgu Mureş low-cost sensors Mureș County, Romania	33.3
85	Pune Maharashtra, India	33.3
87	Tirupati Andhra Pradesh, India	33.1
87	Ankleshwar Gujarat, India	33.1
89	Aizawl Mizoram, India	32.9
89	Sai Mai low-cost sensors Bangkok, Thailand	32.9
91	Buxar Bihar, India	32.8
91	Bengaluru Karnataka, India	32.8
93	Shrīrāmpur West Bengal, India	32.7
93	Nashik Maharashtra, India	32.7
93	Kalyān Maharashtra, India	32.7
93	Kolkata West Bengal, India	32.7
97	Āsansol West Bengal, India	32.6
97	Bishkek low-cost sensors Bishkek, Kyrgyzstan	32.6
99	Ban Khlong Prawet low-cost sensors Bangkok, Thailand	32.4
100	Closepet Karnataka, India	32.3
100	Vapi Gujarat, India	32.3
102	Shivamogga Karnataka, India	32.2
102	Gaya Bihar, India	32.2
104	Almaty low-cost sensors Almaty, Kazakhstan	32.1
105	Bang Pakong low-cost sensors Chachoengsao, Thailand	32.0
106	Bhāgalpur Bihar, India	31.9
107	Begusarai Bihar, India	31.8
108	Ahmedabad Gujarat, India	31.5
109	Bānswāra Rajasthan, India	31.4
110	Rānīganj West Bengal, India	31.1
110	Lebedinovka low-cost sensors Chuy Region, Kyrgyzstan	31.1
110	Bangkok low-cost sensors Bangkok, Thailand	31.1
113	Pimpri-Chinchwad Maharashtra, India	31.0
114	Parbhani Maharashtra, India	30.6
114	Wadgaon Kolhati Maharashtra, India	30.6
116	Nanded Maharashtra, India	30.2
116	Jammu low-cost sensors Jammu and Kashmir, India	30.2
118	Rājgīr Bihar, India	30.1
119	Sarajevo Federation of B&H, Bosnia and Herzegovina	29.8
120	Morādābād Uttar Pradesh, India	29.5
121	Quthbullapur Telangana, India	29.4
122	Atlixco Puebla, Mexico	29.3
123	Obrenovac Central Serbia, Serbia	29.2
124	Sialkot low-cost sensors Punjab, Pakistan	29.1
124	Kanpur Uttar Pradesh, India	29.1
126	Pratāpgarh Rajasthan, India	29.0
126	Żywiec Silesia, Poland	29.0
128	Tonk Rajasthan, India	28.9
129	Mahād Maharashtra, India	28.7
130	Karauli Rajasthan, India	28.3
131	Jalandhar Punjab, India	28.2
131	Jhunjhunūn Rajasthan, India	28.2
131	Chittorgarh Rajasthan, India	28.2
134	Hyderabad Telangana, India	28.0
135	Cuttack Odisha, India	27.8
135	Bhubaneswar Odisha, India	27.8
135	Lagos low-cost sensors Lagos, Nigeria	27.8
138	Ashaiman low-cost sensors Greater Accra, Ghana	27.6
139	Akola Maharashtra, India	27.5
140	Bhopal Madhya Pradesh, India	27.4
141	Badlapur Maharashtra, India	27.3
142	Dubai low-cost sensors Dubai, United Arab Emirates	27.2
142	Surat Gujarat, India	27.2
142	Latur Maharashtra, India	27.2
145	Bikaner Rajasthan, India	27.0
146	Dausa Rajasthan, India	26.7
147	Bārān Rajasthan, India	26.6
148	Panvel Maharashtra, India	26.4
148	Aurangabad Maharashtra, India	26.4
150	Banja Luka Srpska, Bosnia and Herzegovina	26.2
151	Gangtok Sikkim, India	26.1
152	Chandigarh Chandigarh, India	26.0
153	Bareilly Uttar Pradesh, India	25.7
154	Calexico California, United States	25.6
155	Kalisz Greater Poland, Poland	25.4
156	Kłodzko Lower Silesia, Poland	25.2
157	Virār Maharashtra, India	25.0
158	Multan low-cost sensors Punjab, Pakistan	24.9
159	Silchar Assam, India	24.8
160	Jabalpur Madhya Pradesh, India	24.7
160	San Salvador Tizatlalli México, Mexico	24.7
162	Smederevo Central Serbia, Serbia	24.5
163	Kota Rajasthan, India	24.4
163	Haldia West Bengal, India	24.4
165	Shillong Meghalaya, India	24.3
165	Gandhinagar Gujarat, India	24.3
165	Bhiwandi Maharashtra, India	24.3
168	Karachi low-cost sensors Sindh, Pakistan	24.0
168	Islamabad low-cost sensors Islamabad, Pakistan	24.0
170	Bijelo Polje Bijelo Polje, Montenegro	23.8
171	Debrecen low-cost sensors Hajdú-Bihar, Hungary	23.5
172	Coimbatore Tamil Nadu, India	23.3
172	Tema low-cost sensors Greater Accra, Ghana	23.3
174	Kalaburagi Karnataka, India	23.2
175	Sāngli Maharashtra, India	23.1
175	Quezon City low-cost sensors National Capital Region, Philippines	23.1
177	Hyderabad low-cost sensors Sindh, Pakistan	23.0
177	Iloilo low-cost sensors Western Visayas, Philippines	23.0
177	Singapore low-cost sensors Singapore	23.0
177	Dakar low-cost sensors Dakar, Senegal	23.0
181	Zgierz Łódź Voivodeship, Poland	22.8
182	Wan Chai Wan Chai, Hong Kong	22.7
182	Victoria de Durango Durango, Mexico	22.7
182	Kharghar Maharashtra, India	22.7
185	Amaravati Andhra Pradesh, India	22.5
186	Rairangpur Odisha, India	22.4
186	Fengshan Takao, Taiwan	22.4
188	Amravati Maharashtra, India	22.1
189	Suceava Suceava, Romania	22.0
190	Otwock Mazovia, Poland	21.7
190	Rasapūdipalem Andhra Pradesh, India	21.7
192	Irákleion Crete, Greece	21.6
193	Patiāla Punjab, India	21.5
194	Sri Ganganagar Rajasthan, India	21.2
195	Tehuacán Puebla, Mexico	21.1
195	Hacienda Santa Fe Jalisco, Mexico	21.1
197	Bitola Bitola, North Macedonia	21.0
197	Ziguinchor low-cost sensors Ziguinchor, Senegal	21.0
197	Czechowice-Dziedzice Silesia, Poland	21.0
197	Pljevlja Pljevlja, Montenegro	21.0

Top 200 of 2,304 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