Moderate
Primary Pollutant: O3
O3 | 126 µg/m3 (75) |
PM2.5 | 8 µg/m3 (34) |
PM10 | 11 µg/m3 (10) |
CO | 323 µg/m3 (3) |
NO2 | 8 µg/m3 (4) |
SO2 | 4 µg/m3 (2) |
Source: CAMS, Vaisala Xweather
Station | AQI | Primary Pollutant | PM2.5 (AQI) | PM10 (AQI) | NO2 (AQI) | OZONE (AQI) | CO (AQI) | SO2 (AQI) |
---|---|---|---|---|---|---|---|---|
Lansing | 23 |
PM2.5 | 5.6 (23) | n/a | n/a | n/a | n/a | n/a |
Chicago | 72 |
O3 | n/a | n/a | n/a | 123 (72) | n/a | n/a |
Cicero | 63 |
O3 | n/a | n/a | n/a | 118 (63) | n/a | n/a |
Schiller Park | 63 |
O3 | 6.2 (26) | n/a | n/a | 118 (63) | n/a | n/a |
Elgin | 60 |
O3 | n/a | n/a | n/a | 116 (60) | n/a | n/a |
Des Plaines | 69 |
O3 | 6.8 (28) | n/a | n/a | 122 (69) | n/a | n/a |
Evanston | 93 |
O3 | n/a | n/a | n/a | 137 (93) | n/a | n/a |
Lemont | 60 |
O3 | n/a | n/a | n/a | 116 (60) | n/a | n/a |
Northbrook | 63 |
O3 | 6.6 (27) | n/a | n/a | 118 (63) | n/a | n/a |
Source: Illinois EPA
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 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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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 | 4pm | 5pm | 6pm |
81 | 65 | 56 | 48 | 45 | 29 | 25 | 25 | 25 | 27 | 27 | 27 | 28 | 23 | 27 | 36 | 44 | 48 | 55 | 72 | 89 | 99 | 100 | 90 | 51 | 36 | 30 | 25 | 23 | 23 | 23 | 21 | 22 | 28 | 37 | 39 | 35 | 30 | 30 | 44 | 55 | 54 | 57 | 61 | 59 | 59 | 53 | 49 | 47 | 44 | 42 | 36 | 29 | 26 | 29 | 33 | 39 | 42 | 38 | 38 | 38 | 38 | 36 | 37 | 42 | 45 | 49 | 49 | 72 | 79 | 85 | 76 | 67 | 58 | 57 | 56 | 55 | 52 | 49 | 48 | 44 | 40 | 36 | 34 | 32 | 30 | 33 | 36 | 40 | 42 | 45 | 48 | 49 | 50 | 53 | 47 | 43 |
O3 | O3 | O3 | O3 | 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 | 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 | 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 | O3 | O3 |
SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | WSW | WNW | NW | N | N | NNE | NNE | NE | NE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | ENE | E | E | E | E | ESE | ESE | SE | SE | SSE | SSE | S | S | S | SSW | SSW | 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 | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SSW | SW | SW | SW | SW | SW | SW | WSW | WSW | WSW | WSW | WSW | WSW | W | W |
8 12 | 7 11 | 6 10 | 6 9 | 5 9 | 5 8 | 5 8 | 5 8 | 5 7 | 5 8 | 5 7 | 5 8 | 5 8 | 6 10 | 6 10 | 7 11 | 8 12 | 8 12 | 7 12 | 7 12 | 7 11 | 6 10 | 6 10 | 7 11 | 7 12 | 8 13 | 7 12 | 7 12 | 7 11 | 6 10 | 6 9 | 5 8 | 5 8 | 5 8 | 6 9 | 6 10 | 7 11 | 7 12 | 9 14 | 10 17 | 12 19 | 13 21 | 14 22 | 15 24 | 14 23 | 14 22 | 13 21 | 12 19 | 11 17 | 9 15 | 9 14 | 8 13 | 7 12 | 7 11 | 7 11 | 6 10 | 6 10 | 6 10 | 7 11 | 7 11 | 7 12 | 8 12 | 9 14 | 10 16 | 11 18 | 12 19 | 13 21 | 14 23 | 15 24 | 16 25 | 16 26 | 17 27 | 16 26 | 16 26 | 16 25 | 17 27 | 16 26 | 17 27 | 16 26 | 17 27 | 17 27 | 16 26 | 16 26 | 16 25 | 15 24 | 14 23 | 15 23 | 15 24 | 15 24 | 15 24 | 15 25 | 16 25 | 16 25 | 16 26 | 17 27 | 16 25 | 14 23 |
84 28.7 | 82 27.6 | 78 25.6 | 75 23.7 | 72 22.4 | 71 21.8 | 70 20.9 | 69 20.3 | 68 19.8 | 67 19.4 | 66 18.9 | 66 18.6 | 65 18.5 | 67 19.4 | 69 20.7 | 72 22.2 | 74 23.6 | 77 24.8 | 78 25.8 | 80 26.4 | 81 27 | 81 27.4 | 82 27.6 | 81 27.1 | 79 26 | 76 24.2 | 71 21.8 | 68 19.9 | 65 18.5 | 64 17.7 | 63 17.3 | 62 16.9 | 62 16.5 | 62 16.5 | 62 16.5 | 63 17.3 | 65 18.1 | 66 18.9 | 70 21.3 | 75 23.7 | 79 26.1 | 81 27.3 | 83 28.4 | 85 29.5 | 85 29.5 | 85 29.6 | 85 29.5 | 83 28.6 | 82 27.7 | 80 26.7 | 78 25.4 | 76 24.2 | 73 22.9 | 72 22.3 | 71 21.8 | 70 21.2 | 69 20.7 | 68 20.2 | 68 19.8 | 68 19.8 | 68 19.8 | 68 19.9 | 71 21.5 | 74 23.2 | 77 24.8 | 79 26.2 | 82 27.7 | 84 29.1 | 85 29.3 | 85 29.4 | 85 29.6 | 84 28.8 | 82 28 | 81 27.3 | 79 26.1 | 77 24.9 | 75 23.8 | 74 23.2 | 73 22.7 | 72 22.2 | 71 21.4 | 69 20.6 | 68 19.8 | 66 19.1 | 65 18.5 | 64 17.9 | 66 18.6 | 67 19.3 | 68 20.1 | 69 20.7 | 71 21.4 | 72 22.1 | 72 22.3 | 73 22.6 | 73 22.8 | 72 22 | 70 21.1 |
Source: CAMS, Vaisala Xweather
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