Chicago AQ
@chicagoaq
Monitoring Air Quality Index (AQI) pollutants (PM 2.5, PM10, NO₂, SO₂ O₃, CO) measured in The Loop, Chicago. Managed by @nikhunder.com
At 9 PM the AQI was 100 , the dominant pollutant was O3 and the air quality is moderate PM2.5 = 58 or 13.54 µg/m³ PM10 = 34 or 36.8 µg/m³ NO₂ = 16 or 17 ppb SO₂ = 0 or 0.46 ppb O₃ = 100 or 70.1 ppb CO = 2 or 0.2 ppb
At 6 PM the AQI was 129 , the dominant pollutant was O3 and the air quality is unhealthy for sensitive groups PM2.5 = 60 or 13.16 µg/m³ PM10 = 35 or 37.5 µg/m³ NO₂ = 10 or 11 ppb SO₂ = 0 or 0.4 ppb O₃ = 129 or 79.11 ppb CO = 2 or 0.2 ppb
At 4 PM the AQI was 108 , the dominant pollutant was O3 and the air quality is unhealthy for sensitive groups PM2.5 = 62 or 16.24 µg/m³ PM10 = 46 or 50.2 µg/m³ NO₂ = 6 or 6 ppb SO₂ = 0 or 0.43 ppb O₃ = 108 or 73.13 ppb CO = 2 or 0.2 ppb
At 3 PM the AQI was 108 , the dominant pollutant was O3 and the air quality is unhealthy for sensitive groups PM2.5 = 62 or 16.31 µg/m³ PM10 = 49 or 53.1 µg/m³ NO₂ = 8 or 9 ppb SO₂ = 1 or 0.6 ppb O₃ = 108 or 72.87 ppb CO = 2 or 0.2 ppb
At 12 PM the AQI was 63 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 63 or 13.71 µg/m³ PM10 = 52 or 57.3 µg/m³ NO₂ = 16 or 17 ppb SO₂ = 1 or 1.22 ppb O₃ = 22 or 24.03 ppb CO = 2 or 0.2 ppb
At 9 AM the AQI was 61 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 61 or 15.07 µg/m³ PM10 = 35 or 37.9 µg/m³ NO₂ = 29 or 31 ppb SO₂ = 1 or 1.35 ppb O₃ = 9 or 9.57 ppb CO = 2 or 0.2 ppb
At 6 AM the AQI was 61 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 61 or 14.97 µg/m³ PM10 = 30 or 32.4 µg/m³ NO₂ = 20 or 21 ppb SO₂ = 1 or 1.24 ppb O₃ = 18 or 19.43 ppb CO = 3 or 0.3 ppb
At 10 PM the AQI was 115 , the dominant pollutant was O3 and the air quality is unhealthy for sensitive groups PM2.5 = 65 or 18.56 µg/m³ PM10 = 33 or 36.3 µg/m³ NO₂ = 25 or 26 ppb SO₂ = 0 or 0.48 ppb O₃ = 115 or 75.32 ppb CO = 2 or 0.2 ppb
At 9 PM the AQI was 174 , the dominant pollutant was O3 and the air quality is unhealthy PM2.5 = 67 or 17.1 µg/m³ PM10 = 31 or 32.9 µg/m³ NO₂ = 16 or 17 ppb SO₂ = 0 or 0.29 ppb O₃ = 174 or 95.15 ppb CO = 3 or NA ppb
At 6 PM the AQI was 182 , the dominant pollutant was O3 and the air quality is unhealthy PM2.5 = 68 or 19.91 µg/m³ PM10 = 40 or 43.1 µg/m³ NO₂ = 13 or 14 ppb SO₂ = 1 or 0.51 ppb O₃ = 182 or 97.85 ppb CO = 3 or 0.3 ppb
At 4 PM the AQI was 122 , the dominant pollutant was O3 and the air quality is unhealthy for sensitive groups PM2.5 = 71 or 19.37 µg/m³ PM10 = 42 or 44.6 µg/m³ NO₂ = 8 or 9 ppb SO₂ = 1 or 0.77 ppb O₃ = 122 or 76.97 ppb CO = 2 or 0.2 ppb
At 12 PM the AQI was 32 , the dominant pollutant was PM2.5 and the air quality is super PM2.5 = 32 or 6.78 µg/m³ PM10 = 21 or 23.1 µg/m³ NO₂ = 12 or 13 ppb SO₂ = 1 or 1.2 ppb O₃ = 18 or 19.19 ppb CO = 2 or 0.2 ppb
At 9 AM the AQI was 36 , the dominant pollutant was PM2.5 and the air quality is super PM2.5 = 36 or 7.89 µg/m³ PM10 = 22 or 23.7 µg/m³ NO₂ = 25 or 27 ppb SO₂ = 1 or 0.89 ppb O₃ = 12 or 12.96 ppb CO = 2 or 0.2 ppb
At 9 PM the AQI was 42 , the dominant pollutant was O3 and the air quality is okay PM2.5 = 23 or 9.47 µg/m³ PM10 = 14 or 15.2 µg/m³ NO₂ = 13 or 14 ppb SO₂ = 1 or 0.79 ppb O₃ = 42 or 45.46 ppb CO = 2 or 0.2 ppb
At 6 PM the AQI was 37 , the dominant pollutant was O3 and the air quality is super PM2.5 = 15 or 6.28 µg/m³ PM10 = 10 or 10.5 µg/m³ NO₂ = 8 or NA ppb SO₂ = 1 or 0.68 ppb O₃ = 37 or 40.33 ppb CO = 2 or 0.2 ppb
At 3 PM the AQI was 38 , the dominant pollutant was O3 and the air quality is super PM2.5 = 12 or 6.01 µg/m³ PM10 = 11 or 12.2 µg/m³ NO₂ = 6 or 6 ppb SO₂ = 1 or 0.52 ppb O₃ = 38 or 40.52 ppb CO = 2 or 0.2 ppb
At 12 PM the AQI was 31 , the dominant pollutant was O3 and the air quality is holy PM2.5 = 18 or 4.29 µg/m³ PM10 = 16 or 17.4 µg/m³ NO₂ = 16 or 17 ppb SO₂ = 0 or 0.42 ppb O₃ = 31 or 34.25 ppb CO = 3 or 0.3 ppb
At 9 AM the AQI was 31 , the dominant pollutant was PM2.5 and the air quality is super PM2.5 = 31 or 4.38 µg/m³ PM10 = 16 or 17 µg/m³ NO₂ = 16 or 17 ppb SO₂ = 0 or 0.42 ppb O₃ = 31 or 34.25 ppb CO = 2 or NA ppb
At 6 AM the AQI was 38 , the dominant pollutant was PM2.5 and the air quality is super PM2.5 = 38 or 5.23 µg/m³ PM10 = 19 or 20.8 µg/m³ NO₂ = 6 or 6 ppb SO₂ = 0 or 0.44 ppb O₃ = 35 or 37.59 ppb CO = 1 or 0.1 ppb
At 9 PM the AQI was 39 , the dominant pollutant was PM2.5 and the air quality is super PM2.5 = 39 or 9.01 µg/m³ PM10 = 16 or 16.9 µg/m³ NO₂ = 5 or 5 ppb SO₂ = 1 or 0.86 ppb O₃ = 31 or 34.35 ppb CO = 3 or 0.3 ppb
At 6 PM the AQI was 52 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 52 or 5.56 µg/m³ PM10 = 12 or 13.4 µg/m³ NO₂ = 5 or 5 ppb SO₂ = 1 or 0.69 ppb O₃ = 27 or 29.46 ppb CO = 2 or 0.2 ppb
At 3 PM the AQI was 134 , the dominant pollutant was PM2.5 and the air quality is unhealthy for sensitive groups PM2.5 = 134 or 4.28 µg/m³ PM10 = 19 or 20.7 µg/m³ NO₂ = 15 or 16 ppb SO₂ = 1 or 0.76 ppb O₃ = 6 or 7.31 ppb CO = 2 or 0.2 ppb
At 12 PM the AQI was 54 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 54 or 8.95 µg/m³ PM10 = 23 or 25.5 µg/m³ NO₂ = 21 or 18 ppb SO₂ = 1 or 1.06 ppb O₃ = 6 or 11.01 ppb CO = 3 or 0.2 ppb
At 9 AM the AQI was 44 , the dominant pollutant was PM2.5 and the air quality is okay PM2.5 = 44 or 8.16 µg/m³ PM10 = 20 or 22.2 µg/m³ NO₂ = 20 or 21 ppb SO₂ = 1 or 0.79 ppb O₃ = 5 or 5.03 ppb CO = 3 or 0.3 ppb
At 6 AM the AQI was 51 , the dominant pollutant was PM2.5 and the air quality is moderate PM2.5 = 51 or 6.6 µg/m³ PM10 = 26 or 28 µg/m³ NO₂ = 17 or 18 ppb SO₂ = 1 or 0.84 ppb O₃ = 22 or 23.56 ppb CO = 2 or 0.2 ppb
At 9 PM the AQI was 42 , the dominant pollutant was O3 and the air quality is okay PM2.5 = 35 or 5.37 µg/m³ PM10 = 20 or 21.7 µg/m³ NO₂ = 6 or 6 ppb SO₂ = 1 or 0.62 ppb O₃ = 42 or 44.95 ppb CO = 2 or 0.2 ppb
At 6 PM the AQI was 46 , the dominant pollutant was PM2.5 and the air quality is okay PM2.5 = 46 or 6.11 µg/m³ PM10 = 28 or 29.7 µg/m³ NO₂ = 5 or 5 ppb SO₂ = 1 or 0.61 ppb O₃ = 46 or 50.36 ppb CO = 2 or 0.2 ppb
At 3 PM the AQI was 47 , the dominant pollutant was O3 and the air quality is okay PM2.5 = 33 or 6.01 µg/m³ PM10 = 29 or 31.1 µg/m³ NO₂ = 5 or 5 ppb SO₂ = 1 or 0.62 ppb O₃ = 47 or 51.26 ppb CO = 2 or 0.2 ppb
At 12 PM the AQI was 31 , the dominant pollutant was O3 and the air quality is unbelievable PM2.5 = 29 or 6.1 µg/m³ PM10 = 19 or 23.7 µg/m³ NO₂ = 9 or 10 ppb SO₂ = 1 or 0.7 ppb O₃ = 31 or 34.59 ppb CO = 2 or 0.2 ppb
At 9 AM the AQI was 50 , the dominant pollutant was PM2.5 and the air quality is okay PM2.5 = 50 or 6.31 µg/m³ PM10 = 18 or 19.5 µg/m³ NO₂ = 14 or 15 ppb SO₂ = 1 or 0.92 ppb O₃ = 22 or 23.56 ppb CO = 2 or 0.2 ppb