Good
Primary Pollutant: O3
O3 | 65 µg/m3 (30) |
PM2.5 | 2 µg/m3 (8) |
PM10 | 25 µg/m3 (23) |
CO | 247 µg/m3 (2) |
NO2 | 15 µg/m3 (7) |
SO2 | 2 µg/m3 (1) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Lansing | 36 |
PM2.5 | 8.7 (36) | n/a | n/a | n/a | n/a | n/a |
Rockford | 35 |
PM2.5 | 8.5 (35) | n/a | n/a | n/a | n/a | n/a |
Chicago | 33 |
O3 | n/a | n/a | n/a | 73 (33) | n/a | n/a |
Cicero | 33 |
O3 | n/a | n/a | n/a | 73 (33) | n/a | n/a |
Schiller Park | 34 |
PM2.5 | 8.3 (34) | n/a | n/a | 65 (29) | n/a | n/a |
Elgin | 33 |
O3 | n/a | n/a | n/a | 73 (33) | n/a | n/a |
Des Plaines | 34 |
O3 | 7.1 (29) | n/a | n/a | 74 (34) | n/a | n/a |
Evanston | 43 |
O3 | n/a | n/a | n/a | 94 (43) | n/a | n/a |
Lemont | 38 |
O3 | n/a | n/a | n/a | 84 (38) | n/a | n/a |
Northbrook | 38 |
O3 | 6.3 (26) | n/a | n/a | 84 (38) | n/a | n/a |
Source: Illinois EPA
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Thursday, Apr 25 | Friday, Apr 26 | Saturday, Apr 27 | Sunday, Apr 28 | Monday, Apr 29 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
30 | 31 | 31 | 32 | 32 | 26 | 26 | 25 | 23 | 25 | 27 | 28 | 29 | 30 | 32 | 31 | 30 | 31 | 31 | 32 | 32 | 31 | 31 | 31 | 31 | 29 | 31 | 34 | 34 | 31 | 30 | 32 | 32 | 31 | 31 | 33 | 36 | 39 | 40 | 42 | 41 | 40 | 39 | 38 | 38 | 35 | 34 | 32 | 32 | 32 | 29 | 28 | 29 | 29 | 29 | 27 | 28 | 28 | 29 | 37 | 36 | 45 | 40 | 43 | 41 | 42 | 44 | 44 | 44 | 41 | 40 | 39 | 39 | 39 | 40 | 39 | 38 | 37 | 36 | 34 | 33 | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 41 | 42 | 40 | 37 | 35 | 33 | 30 | 27 | 26 |
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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | PM2.5 | O3 | O3 | O3 | O3 | O3 | O3 | O3 | 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 | O3 | O3 | O3 | O3 | O3 | O3 | O3 |
E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SE | SSE | SSE | S | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | S | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | SW | SW | SW | WSW |
10 17 | 10 16 | 10 16 | 11 17 | 11 18 | 12 20 | 12 19 | 11 18 | 14 23 | 16 25 | 16 26 | 17 28 | 18 29 | 19 30 | 19 30 | 19 30 | 18 29 | 19 31 | 20 32 | 18 30 | 19 30 | 19 30 | 20 31 | 21 34 | 23 36 | 22 36 | 23 38 | 21 34 | 21 34 | 22 35 | 21 34 | 20 31 | 21 34 | 21 34 | 22 35 | 23 37 | 23 37 | 24 38 | 24 38 | 24 38 | 23 38 | 23 38 | 22 36 | 21 34 | 20 32 | 20 32 | 19 31 | 19 31 | 19 30 | 18 30 | 18 29 | 16 26 | 15 24 | 13 21 | 12 20 | 12 19 | 12 19 | 14 22 | 16 26 | 18 29 | 19 31 | 20 32 | 21 34 | 21 35 | 22 35 | 22 35 | 22 35 | 22 35 | 22 35 | 22 35 | 21 34 | 21 34 | 22 36 | 23 37 | 25 40 | 24 39 | 23 38 | 23 37 | 22 35 | 20 33 | 19 31 | 19 31 | 20 32 | 20 32 | 20 33 | 21 33 | 21 34 | 21 34 | 21 34 | 21 34 | 20 31 | 18 29 | 16 26 | 15 24 | 14 22 | 13 20 | 11 18 |
45 7.1 | 43 6.3 | 42 5.8 | 42 5.5 | 42 5.3 | 41 5.1 | 41 4.9 | 40 4.7 | 42 5.5 | 46 7.6 | 50 10 | 54 12.2 | 57 13.7 | 59 15 | 60 15.7 | 60 15.8 | 59 15.1 | 58 14.3 | 58 14.4 | 58 14.5 | 58 14.6 | 58 14.4 | 58 14.7 | 59 15.1 | 60 15.5 | 60 15.8 | 61 16.2 | 61 16.1 | 61 16.2 | 61 16.2 | 61 16.4 | 62 16.5 | 63 17 | 64 17.7 | 66 19.1 | 69 20.4 | 70 21.4 | 72 22.3 | 74 23.3 | 75 23.9 | 76 24.5 | 77 25.1 | 76 24.6 | 75 24.2 | 75 23.7 | 73 22.8 | 71 21.9 | 70 21 | 69 20.5 | 68 20 | 67 19.5 | 66 19 | 65 18.6 | 65 18.2 | 65 18.1 | 64 18 | 64 18 | 66 19 | 68 20 | 70 21.1 | 72 22.1 | 74 23.2 | 76 24.3 | 77 24.8 | 78 25.3 | 79 25.8 | 77 25.2 | 76 24.6 | 75 24 | 73 23 | 72 22 | 70 21.1 | 69 20.4 | 68 19.8 | 66 19.1 | 66 18.7 | 65 18.2 | 64 17.8 | 64 17.7 | 64 17.7 | 64 17.6 | 65 18.4 | 67 19.2 | 68 20 | 69 20.7 | 70 21.4 | 72 22 | 72 22.2 | 72 22.3 | 72 22.4 | 71 21.7 | 70 21.1 | 69 20.4 | 66 19.2 | 64 17.9 | 62 16.7 | 61 16 |
Source: CAMS, Vaisala Xweather
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