SmogRank / History / August 4, 2026

Most polluted cities on August 4, 2026

2,341 cities ranked by their average PM2.5 over the day. Each city's own local calendar day.

← August 3, 2026August 5, 2026 →
#City µg/m³× WHO
1Dhaulpur Rajasthan, India
470.031.3×
2Wenatchee Washington, United States
204.013.6×
3Yakima Washington, United States
100.06.7×
4Dushanbe Dushanbe, Tajikistan
92.66.2×
5Moses Lake Washington, United States
85.15.7×
6Kinshasa low-cost sensors Kinshasa, Democratic Republic of the Congo
85.05.7×
7Ellensburg Washington, United States
84.05.6×
8Faisalabad low-cost sensors Punjab, Pakistan
81.35.4×
9Pendleton Oregon, United States
78.65.2×
10Sunnyside Washington, United States
76.85.1×
11Kennewick Washington, United States
71.54.8×
12Pasco Washington, United States
71.34.8×
12Walla Walla Washington, United States
71.34.8×
14Tri-Cities Washington, United States
70.64.7×
15Oregon City Oregon, United States
70.54.7×
16Redmond Oregon, United States
69.84.7×
17Spokane Washington, United States
68.64.6×
18Nampa Idaho, United States
66.84.5×
19Canby Oregon, United States
66.14.4×
20Gummidipundi Tamil Nadu, India
65.94.4×
21Corvallis Oregon, United States
64.94.3×
22Spokane Valley Washington, United States
64.54.3×
23Bend Oregon, United States
64.14.3×
24Salem Oregon, United States
61.24.1×
25Hermiston Oregon, United States
60.44.0×
26Dallas Oregon, United States
60.34.0×
27Nilópolis Rio de Janeiro, Brazil
59.64.0×
28Lilongwe low-cost sensors Central Region, Malawi
59.34.0×
29Gujranwala low-cost sensors Punjab, Pakistan
59.03.9×
30Faridabad Haryana, India
58.93.9×
31Albany Oregon, United States
58.83.9×
32Meridian Idaho, United States
58.63.9×
32The Dalles Oregon, United States
58.63.9×
34Beitbridge low-cost sensors Matabeleland South Province, Zimbabwe
58.33.9×
34Bhāgalpur Bihar, India
58.33.9×
36Ahmedabad Gujarat, India
57.63.8×
37Eugene Oregon, United States
56.43.8×
38Twin Falls Idaho, United States
56.13.7×
39Lahore low-cost sensors Punjab, Pakistan
55.63.7×
39Redmond low-cost sensors Washington, United States
55.63.7×
41Gresham Oregon, United States
54.43.6×
42Boise Idaho, United States
54.03.6×
43Chilliwack British Columbia, Canada
52.13.5×
44Ashaiman low-cost sensors Greater Accra, Ghana
51.73.4×
45Kampala low-cost sensors Central Region, Uganda
51.13.4×
46Beaverton Oregon, United States
50.83.4×
47Quetta low-cost sensors Balochistan, Pakistan
50.73.4×
48Coeur d'Alene Idaho, United States
50.53.4×
49Woodburn Oregon, United States
50.23.3×
50Jaipur Rajasthan, India
47.83.2×
51Hillsboro Oregon, United States
47.73.2×
52Tigard Oregon, United States
47.23.1×
53Vereeniging low-cost sensors Gauteng, South Africa
47.03.1×
54Kirkland low-cost sensors Washington, United States
46.53.1×
55Durgapur West Bengal, India
44.73.0×
56Gurugram Haryana, India
44.33.0×
57Lewiston Idaho, United States
43.42.9×
58Islamabad low-cost sensors Islamabad, Pakistan
43.32.9×
59Union Hill-Novelty Hill low-cost sensors Washington, United States
43.12.9×
60Karonga low-cost sensors Northern Region, Malawi
43.02.9×
60Lagos low-cost sensors Lagos, Nigeria
43.02.9×
62Peshawar low-cost sensors Khyber Pakhtunkhwa, Pakistan
42.82.9×
63Glendale Arizona, United States
42.62.8×
64Dera Māndi Delhi, India
42.22.8×
65Jhālāwār Rajasthan, India
41.22.7×
66Pullman Washington, United States
41.02.7×
67Portland Oregon, United States
40.72.7×
68Tema low-cost sensors Greater Accra, Ghana
40.62.7×
69Tuxtla Chiapas, Mexico
40.42.7×
70Moscow Idaho, United States
40.02.7×
71Arvada low-cost sensors Colorado, United States
39.62.6×
71North Creek low-cost sensors Washington, United States
39.62.6×
73Dūngarpur Rajasthan, India
39.22.6×
73Vancouver Washington, United States
39.22.6×
75Jammu low-cost sensors Jammu and Kashmir, India
39.12.6×
76Salmon Creek Washington, United States
38.72.6×
77Murree low-cost sensors Punjab, Pakistan
38.42.6×
78Dhaka low-cost sensors Dhaka Division, Bangladesh
38.22.5×
78Parker low-cost sensors Colorado, United States
38.22.5×
80Palembang low-cost sensors South Sumatra, Indonesia
37.72.5×
81Tirupati Andhra Pradesh, India
37.42.5×
82Multan low-cost sensors Punjab, Pakistan
37.02.5×
82Chittorgarh Rajasthan, India
37.02.5×
84Pratāpgarh Rajasthan, India
36.82.5×
85Rawalpindi low-cost sensors Punjab, Pakistan
36.72.4×
86Tonk Rajasthan, India
36.62.4×
87Duque de Caxias Rio de Janeiro, Brazil
36.42.4×
88Blantyre low-cost sensors Southern Region, Malawi
35.92.4×
89Barbil Odisha, India
35.82.4×
90McMinnville Oregon, United States
35.72.4×
91Milwaukie Oregon, United States
35.52.4×
92Mzuzu low-cost sensors Northern Region, Malawi
35.42.4×
93Sialkot low-cost sensors Punjab, Pakistan
35.22.3×
93Logan low-cost sensors Utah, United States
35.22.3×
95Jharia Jharkhand, India
35.02.3×
96Changchun low-cost sensors Jilin, China
34.02.3×
97Harare low-cost sensors Harare, Zimbabwe
33.82.3×
98Bothell low-cost sensors Washington, United States
33.72.2×
99Puebla Puebla, Mexico
33.42.2×
100San Luis Potosí San Luis Potosí, Mexico
33.32.2×
100Cañon City Colorado, United States
33.32.2×
102Bhilwara Rajasthan, India
33.02.2×
103Kolkata West Bengal, India
32.92.2×
104Vijayawada Andhra Pradesh, India
32.82.2×
105Dhāruhera Haryana, India
32.52.2×
106Thāne Maharashtra, India
32.42.2×
107Centralia Washington, United States
32.32.2×
108Sawai Madhopur Rajasthan, India
32.02.1×
108Bhiwadi Rajasthan, India
32.02.1×
110Thornton Colorado, United States
31.82.1×
110Kamloops British Columbia, Canada
31.82.1×
112Morādābād Uttar Pradesh, India
31.52.1×
113Panchkula Haryana, India
31.22.1×
114Kaithal Haryana, India
31.12.1×
114Ajmer Rajasthan, India
31.12.1×
116Istanbul low-cost sensors Istanbul, Turkey
31.02.1×
117Kotli Loharan low-cost sensors Punjab, Pakistan
30.92.1×
117Fort Collins Colorado, United States
30.92.1×
117Auburn Washington, United States
30.92.1×
120Colorado Springs Colorado, United States
30.72.0×
121Barra da Tijuca Rio de Janeiro, Brazil
30.32.0×
122Noida Uttar Pradesh, India
30.22.0×
123Zomba low-cost sensors Southern Region, Malawi
30.12.0×
124Santa Catarina Nuevo León, Mexico
30.02.0×
124Longmont Colorado, United States
30.02.0×
124Wadgaon Kolhati Maharashtra, India
30.02.0×
127Ciudad General Escobedo Nuevo León, Mexico
29.82.0×
128Longview Washington, United States
29.72.0×
129Joda Odisha, India
29.62.0×
130Denver Colorado, United States
29.52.0×
131Yuma Arizona, United States
29.32.0×
132Kent Washington, United States
29.21.9×
133Jaisalmer Rajasthan, India
29.11.9×
133Littleton Colorado, United States
29.11.9×
135Shrīrāmpur West Bengal, India
29.01.9×
135Guadalajara Jalisco, Mexico
29.01.9×
137Karachi low-cost sensors Sindh, Pakistan
28.81.9×
137Nāgaur Rajasthan, India
28.81.9×
137Windsor Colorado, United States
28.81.9×
140Jodhpur Rajasthan, India
28.61.9×
141Ken Caryl Colorado, United States
28.51.9×
141Parque Industrial Ciudad Mitras Nuevo León, Mexico
28.51.9×
143Nandri Rajasthan, India
28.21.9×
144Pueblo Colorado, United States
28.11.9×
145Hacienda Santa Fe Jalisco, Mexico
28.01.9×
146Jounieh low-cost sensors Mount Lebanon, Lebanon
27.91.9×
146Tacoma Washington, United States
27.91.9×
148Butwāl low-cost sensors Lumbini Province, Nepal
27.81.9×
149Monroe low-cost sensors Washington, United States
27.61.8×
150Ropar Punjab, India
27.51.8×
150Boulder Colorado, United States
27.51.8×
152Arāria Bihar, India
27.31.8×
153Antananarivo Analamanga, Madagascar
27.01.8×
153Sirohi Rajasthan, India
27.01.8×
153Rasapūdipalem Andhra Pradesh, India
27.01.8×
153Āsansol West Bengal, India
27.01.8×
157Kharghar Maharashtra, India
26.91.8×
158Parkland Washington, United States
26.81.8×
159Gwalior Madhya Pradesh, India
26.71.8×
160Bellevue Washington, United States
26.21.7×
161Ankleshwar Gujarat, India
26.11.7×
162Beirut low-cost sensors Beirut, Lebanon
26.01.7×
162Greeley Colorado, United States
26.01.7×
164Tongaat low-cost sensors KwaZulu-Natal, South Africa
25.91.7×
164Hājīpur Bihar, India
25.91.7×
166Ciudad Apodaca Nuevo León, Mexico
25.71.7×
166Quthbullapur Telangana, India
25.71.7×
168Jalor Rajasthan, India
25.61.7×
169Laredo Texas, United States
25.51.7×
169Eagle Pass Texas, United States
25.51.7×
171Byasanagar Odisha, India
25.41.7×
172Kota Rajasthan, India
25.21.7×
172Jīnd Haryana, India
25.21.7×
174Košice Košice Region, Slovakia
25.11.7×
174Patna Bihar, India
25.11.7×
176Undera Gujarat, India
24.91.7×
177Jabalpur Madhya Pradesh, India
24.51.6×
177Haldia West Bengal, India
24.51.6×
177Payson Arizona, United States
24.51.6×
180Gorzów Wielkopolski Lubusz, Poland
24.41.6×
181Sidon low-cost sensors South Governorate, Lebanon
24.31.6×
181Muzaffarnagar Uttar Pradesh, India
24.31.6×
181West Jordan Utah, United States
24.31.6×
184Calexico California, United States
24.01.6×
185Renton Washington, United States
23.91.6×
186Hyderabad low-cost sensors Sindh, Pakistan
23.81.6×
186Jalandhar Punjab, India
23.81.6×
186Acari Rio de Janeiro, Brazil
23.81.6×
186Columbia City Washington, United States
23.81.6×
190Komárno Nitra Region, Slovakia
23.71.6×
190Ciudad Nezahualcoyotl México, Mexico
23.71.6×
192Monterrey Nuevo León, Mexico
23.61.6×
192Phoenix Arizona, United States
23.61.6×
192Lacey Washington, United States
23.61.6×
195Corpus Christi Texas, United States
23.41.6×
196Atlixco Puebla, Mexico
23.31.6×
197Dubai low-cost sensors Dubai, United Arab Emirates
23.21.5×
198Chānda Maharashtra, India
23.11.5×
198Missoula Montana, United States
23.11.5×
198Altamont Oregon, United States
23.11.5×

Top 200 of 2,341 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