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Moderate
Primary Pollutant: PM2.5
O3 | 19 µg/m3 (9) |
PM2.5 | 16 µg/m3 (59) |
CO | 700 µg/m3 (7) |
NO2 | 8 µg/m3 (4) |
SO2 | 1 µg/m3 (1) |
Source: AirNow (EPA), Illinois EPA, CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Lansing | 63 |
PM2.5 | 18 (63) | n/a | n/a | n/a | n/a | n/a |
Rockford | 59 |
PM2.5 | 16 (59) | n/a | n/a | n/a | n/a | n/a |
Cicero | 7 |
O3 | n/a | n/a | n/a | 16 (7) | n/a | n/a |
Schiller Park | 67 |
PM2.5 | 20 (67) | n/a | n/a | 18 (8) | n/a | n/a |
Elgin | 12 |
O3 | n/a | n/a | n/a | 26 (12) | n/a | n/a |
Des Plaines | 63 |
PM2.5 | 18 (63) | n/a | n/a | 10 (5) | n/a | n/a |
Evanston | 6 |
O3 | n/a | n/a | n/a | 12 (6) | n/a | n/a |
Lemont | 10 |
O3 | n/a | n/a | n/a | 22 (10) | n/a | n/a |
Northbrook | 68 |
PM2.5 | 20 (68) | n/a | n/a | 16 (7) | n/a | n/a |
Lisle | 6 |
O3 | n/a | n/a | n/a | 12 (6) | n/a | n/a |
Source: AirNow (EPA), Illinois EPA
Hour |
AQI |
Primary |
Wind Dir |
Wind Speed ( mph kmh) |
Temp (°F°C) |
Thursday, Sep 21 | Friday, Sep 22 | Saturday, Sep 23 | Sunday, Sep 24 | Monday, Sep 25 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am |
54 | 51 | 45 | 37 | 34 | 28 | 21 | 40 | 45 | 47 | 53 | 56 | 63 | 66 | 68 | 68 | 64 | 65 | 64 | 66 | 67 | 68 | 69 | 68 | 57 | 53 | 46 | 46 | 46 | 49 | 43 | 34 | 33 | 40 | 49 | 55 | 62 | 79 | 88 | 87 | 82 | 54 | 25 | 22 | 23 | 28 | 29 | 20 | 19 | 31 | 38 | 46 | 52 | 56 | 57 | 56 | 60 | 63 | 61 | 59 | 56 | 54 | 54 | 54 | 56 | 54 | 51 | 46 | 46 | 46 | 51 | 54 | 56 | 56 | 56 | 59 | 59 | 59 | 59 | 62 | 66 | 66 | 66 | 64 | 61 | 66 | 66 | 61 | 57 | 54 | 51 | 51 | 51 | 51 | 54 | 54 | 52 |
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 | 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 | 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 | 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 | 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 | 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 | 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 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 | PM2.5 |
SE | ESE | ESE | ENE | E | E | ESE | ESE | E | E | E | E | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SSE | SSE | SSE | SSE | SSE | SE | ESE | E | E | E | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | ESE | ESE | ESE | E | E | E | E | E | E | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | ESE | SE | SE | SE | SE | SE | SE | E | E | E | E | E | E | E | E | E | E | E | E | ESE | ESE | ESE | ESE |
4 7 | 4 7 | 6 9 | 8 13 | 9 14 | 9 14 | 9 14 | 9 14 | 8 13 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 6 10 | 6 10 | 6 10 | 7 11 | 8 12 | 9 14 | 10 16 | 10 16 | 10 16 | 10 17 | 10 16 | 9 14 | 9 14 | 7 11 | 6 9 | 6 9 | 7 11 | 7 11 | 7 11 | 7 11 | 7 11 | 6 10 | 6 10 | 6 9 | 6 9 | 6 9 | 6 9 | 6 10 | 7 11 | 8 13 | 8 13 | 9 14 | 9 14 | 9 15 | 10 16 | 10 16 | 10 16 | 10 16 | 10 16 | 11 18 | 12 19 | 13 21 | 14 22 | 15 24 | 16 25 | 15 24 | 14 23 | 13 22 | 13 20 | 12 19 | 11 18 | 11 18 | 12 19 | 12 19 | 12 19 | 12 20 | 12 20 | 12 19 | 11 18 | 11 17 | 10 16 | 10 15 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 9 14 | 8 14 | 8 13 | 8 13 | 8 14 | 9 14 | 9 15 |
69 21 | 70 21 | 72 22 | 73 23 | 73 23 | 73 23 | 73 23 | 71 22 | 70 21 | 68 20 | 67 20 | 66 19 | 65 18 | 65 18 | 64 18 | 64 18 | 64 18 | 64 18 | 63 17 | 62 17 | 61 16 | 61 16 | 63 17 | 65 18 | 68 20 | 71 22 | 73 23 | 75 24 | 76 25 | 77 25 | 77 25 | 75 24 | 72 22 | 71 22 | 69 21 | 67 20 | 66 19 | 65 18 | 64 18 | 63 17 | 62 17 | 62 17 | 61 16 | 60 16 | 60 15 | 59 15 | 63 17 | 66 19 | 70 21 | 72 22 | 75 24 | 77 25 | 77 25 | 78 25 | 78 26 | 76 24 | 74 23 | 72 22 | 70 21 | 69 20 | 67 19 | 65 19 | 64 18 | 62 17 | 61 16 | 60 16 | 59 15 | 59 15 | 58 14 | 57 14 | 59 15 | 62 16 | 64 18 | 66 19 | 69 20 | 71 22 | 71 21 | 70 21 | 70 21 | 69 21 | 69 20 | 68 20 | 67 19 | 66 19 | 65 18 | 63 17 | 62 17 | 61 16 | 60 16 | 60 15 | 59 15 | 58 15 | 58 14 | 57 14 | 59 15 | 61 16 | 63 17 |
Source: CAMS, Vaisala Xweather
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