Chicago, Illinois Weather Forecast | AerisWeather

Local

Chicago, IL, US

41.85003, -87.65005

Air Quality

Updated 24 minutes ago

44

Good

Primary Pollutant: O3

O3	96 µg/m3 (44)
PM2.5	10 µg/m3 (41)
PM10	22 µg/m3 (20)

CO	329 µg/m3 (3)
NO2	9 µg/m3 (4)
SO2	3 µg/m3 (2)

Source: CAMS, Vaisala Xweather

Nearby Stations

Station	AQI	Primary Pollutant	PM2.5 (AQI)	PM10 (AQI)	NO2 (AQI)	OZONE (AQI)	CO (AQI)	SO2 (AQI)
Winthrop Harbor	112	O3	12 (51)	n/a	n/a	149 (112)	n/a	n/a
Lansing	27	PM2.5	6.5 (27)	n/a	n/a	n/a	n/a	n/a
East Chicago	30	PM2.5	7.2 (30)	n/a	n/a	n/a	n/a	2.096 (1)
Schiller Park	72	O3	7.8 (32)	n/a	n/a	123 (72)	n/a	n/a
Elgin	63	O3	n/a	n/a	n/a	118 (63)	n/a	n/a
Chicago	81	O3	n/a	n/a	n/a	129 (81)	n/a	n/a
Cicero	60	O3	n/a	n/a	n/a	116 (60)	n/a	n/a
Des Plaines	81	O3	8.1 (33)	n/a	n/a	129 (81)	n/a	n/a
Evanston	96	O3	n/a	n/a	n/a	139 (96)	n/a	n/a
Lemont	60	O3	n/a	n/a	n/a	116 (60)	n/a	n/a

Source: Wisconsin Dept. of Natural Resources, Illinois EPA, Indiana Dept. of Environmental Management

Extended Forecast


Hour
AQI
Primary
Wind Dir

Wind Speed ( mph kmh)
Temp (°F°C)

Saturday, May 18									Sunday, May 19																								Monday, May 20																								Tuesday, May 21																								Wednesday, May 22
3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm	4pm	5pm	6pm	7pm	8pm	9pm	10pm	11pm	12am	1am	2am	3am	4am	5am	6am	7am	8am	9am	10am	11am	12pm	1pm	2pm	3pm
45	50	64	68	44	34	29	27	28	29	27	24	27	33	41	52	38	29	33	35	36	37	39	40	38	36	35	34	31	28	25	24	25	28	25	23	23	23	24	43	63	53	37	54	78	86	85	82	79	71	66	55	47	42	40	37	33	38	42	43	47	46	46	46	42	39	38	53	50	57	77	81	85	88	80	71	62	58	54	51	51	50	50	48	45	43	39	34	30	33	35	37	41	44	48	50	56
O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	PM2.5	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3	O3

S	S	S	S	S	S	S	S	SSW	SSW	SSW	SSW	SW	WSW	W	NW	N	N	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NNE	NE	NE	ENE	E	E	E	ESE	SE	SE	SSE	SSE	SSE	S	S	S	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	S	S	S	SSE	S	S	S	S	S	S	S	S	S	S	S	S	SSW	SW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SSW	SW	SW	SW	WSW	WSW	WSW	WSW	WSW	WSW	WSW
6 10	6 10	6 10	6 10	6 10	6 9	5 9	6 9	6 9	6 9	6 10	6 9	5 9	5 8	5 8	5 9	5 9	6 10	8 12	8 13	8 13	8 13	7 12	8 12	8 12	8 13	7 12	7 11	6 10	6 9	5 9	5 8	5 7	4 7	4 7	4 7	5 7	5 8	6 10	7 11	8 12	8 14	9 15	11 17	12 19	12 20	13 21	13 21	13 20	13 20	11 18	10 17	9 14	8 14	8 13	8 13	7 12	7 11	7 11	7 11	7 11	7 11	6 10	6 10	6 10	7 11	8 13	10 16	11 18	12 19	13 21	14 22	14 23	14 23	15 23	14 23	14 23	14 22	14 22	11 18	14 23	14 23	14 23	14 23	15 24	14 23	14 22	13 21	12 19	11 18	11 18	11 18	11 18	12 19	12 19	13 20	12 19
79 26.1	79 26.3	79 26.3	79 26.2	78 25.8	76 24.6	75 23.7	73 23	72 22.3	71 21.7	70 21	69 20.4	68 19.9	67 19.5	66 19.1	66 18.9	67 19.3	67 19.5	67 19.6	68 20	68 20.2	69 20.5	69 20.6	69 20.6	69 20.5	69 20.4	68 20	67 19.3	65 18.3	63 17.2	61 16.3	60 15.7	60 15.6	60 15.5	60 15.4	60 15.6	60 15.8	60 15.8	62 16.5	63 17.1	64 17.8	69 20.4	72 22.4	76 24.5	78 25.5	80 26.6	82 27.6	82 27.7	82 27.9	82 28	81 27.4	80 26.9	79 26.4	77 25.2	76 24.2	74 23.1	72 22.4	71 21.6	70 20.9	69 20.4	68 19.9	67 19.4	67 19.4	67 19.4	67 19.3	69 20.5	71 21.6	73 22.9	75 24	77 25.1	79 26.2	80 26.5	80 26.9	81 27.2	80 26.8	79 26.4	79 25.9	77 25.1	76 24.3	74 23.5	73 22.9	72 22.3	71 21.7	70 21	69 20.4	68 19.8	67 19.5	67 19.2	66 18.8	66 19.1	67 19.5	67 19.7	68 20.3	69 20.8	70 21.3	71 21.5	71 21.6

Source: CAMS, Vaisala Xweather

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