Live city ranking

Every city scored from the same model output through the same three breakpoint tables, so the comparison is genuinely like for like. Sorted worst-first by US AQI. Updated hourly.

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#	CITY	US AQI	EU AQI	INDIA AQI	PM2.5	DRIVEN BY
1	RiyadhSaudi Arabia	500	120	500	99.0	PM10
2	ShanghaiChina	331	101	296	253.3	PM2.5
3	JakartaIndonesia	191	101	269	120.6	PM2.5
4	MumbaiIndia	179	81	261	46.7	O₃
5	TokyoJapan	166	84	93	78.5	PM2.5
6	LahorePakistan	161	100	167	85.0	PM2.5
7	MoscowRussia	154	85	94	70.0	PM2.5
8	SantiagoChile	148	84	93	53.2	PM2.5
9	Hong KongChina	145	84	113	55.5	PM2.5
10	SeoulSouth Korea	145	69	73	51.8	PM2.5
11	BeijingChina	138	100	176	44.0	PM2.5
12	ChennaiIndia	136	70	187	41.7	O₃
13	DhakaBangladesh	133	56	185	29.7	O₃
14	Mexico CityMexico	130	69	64	50.3	PM2.5
15	SingaporeSingapore	115	67	170	28.4	O₃
16	HyderabadIndia	112	63	167	32.2	O₃
17	PuneIndia	112	60	168	23.5	O₃
18	BengaluruIndia	103	66	143	44.7	PM2.5
19	DelhiIndia	99	47	99	45.4	PM2.5
20	DubaiUnited Arab Emirates	95	72	68	30.5	PM2.5
21	JohannesburgSouth Africa	90	62	147	13.2	O₃
22	KarachiPakistan	87	74	144	28.0	O₃
23	AhmedabadIndia	84	52	143	22.3	O₃
24	TehranIran	82	77	116	26.6	PM2.5
25	MilanItaly	81	73	69	20.6	PM2.5
26	Los AngelesUnited States	77	38	38	26.3	PM2.5
27	LondonUnited Kingdom	75	44	64	18.4	PM2.5
28	BangkokThailand	74	37	131	25.6	PM2.5
29	HanoiVietnam	74	67	84	24.3	PM2.5
30	KathmanduNepal	73	50	74	22.2	PM2.5
31	BerlinGermany	72	48	37	18.4	PM2.5
32	São PauloBrazil	72	61	64	15.9	PM2.5
33	WarsawPoland	71	65	53	16.4	PM2.5
34	New YorkUnited States	69	37	50	19.7	PM2.5
35	DenverUnited States	69	30	40	19.1	PM2.5
36	AucklandNew Zealand	69	27	50	19.5	PM2.5
37	KolkataIndia	66	25	71	22.5	PM2.5
38	IstanbulTürkiye	63	29	38	16.3	PM2.5
39	ParisFrance	61	29	38	12.4	PM2.5
40	HoustonUnited States	61	25	72	14.6	PM2.5
41	San FranciscoUnited States	60	30	45	12.5	PM2.5
42	SeattleUnited States	60	21	34	14.8	PM2.5
43	PhoenixUnited States	60	25	31	12.5	PM2.5
44	CairoEgypt	55	54	71	10.0	PM2.5
45	LagosNigeria	55	33	60	11.3	PM2.5
46	MadridSpain	55	28	53	10.9	PM2.5
47	Buenos AiresArgentina	53	27	45	8.4	PM2.5
48	BogotáColombia	52	27	54	9.7	PM2.5
49	SydneyAustralia	52	33	52	9.2	PM2.5
50	RomeItaly	48	30	48	8.1	PM2.5
51	ManilaPhilippines	47	17	67	7.8	PM2.5
52	LimaPeru	47	34	34	9.0	PM2.5
53	NairobiKenya	44	32	95	5.1	O₃
54	MelbourneAustralia	38	30	54	6.0	PM2.5
55	ChicagoUnited States	33	18	38	7.4	PM2.5
56	VancouverCanada	32	20	55	5.7	PM2.5
57	TorontoCanada	24	18	52	1.8	O₃

57 of 57 cities scored this hour. Colour shows each standard's own category, which is why a city can look yellow on one scale and red on another. Click a city for the full breakdown.

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