Chicago AQ
@chicagoaq.bsky.social
Monitoring Air Quality Index (AQI) pollutants (PM 2.5, PM10, NO₂, SO₂ O₃, CO) measured in The Loop, Chicago. Managed by @nikhunder.com
At 6 PM the AQI was 56 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 56 or 10.85 µg/m³
PM10 = 11 or 12.4 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.95 ppb
CO = 5 or 0.4 ppb
PM2.5 = 56 or 10.85 µg/m³
PM10 = 11 or 12.4 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.95 ppb
CO = 5 or 0.4 ppb
December 2, 2025 at 12:01 AM
At 6 PM the AQI was 56 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 56 or 10.85 µg/m³
PM10 = 11 or 12.4 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.95 ppb
CO = 5 or 0.4 ppb
PM2.5 = 56 or 10.85 µg/m³
PM10 = 11 or 12.4 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.95 ppb
CO = 5 or 0.4 ppb
At 3 PM the AQI was 60 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 60 or 15.07 µg/m³
PM10 = 14 or 15.1 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 1 or 0.52 ppb
O₃ = 21 or 23.48 ppb
CO = 5 or 0.4 ppb
PM2.5 = 60 or 15.07 µg/m³
PM10 = 14 or 15.1 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 1 or 0.52 ppb
O₃ = 21 or 23.48 ppb
CO = 5 or 0.4 ppb
December 1, 2025 at 9:01 PM
At 3 PM the AQI was 60 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 60 or 15.07 µg/m³
PM10 = 14 or 15.1 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 1 or 0.52 ppb
O₃ = 21 or 23.48 ppb
CO = 5 or 0.4 ppb
PM2.5 = 60 or 15.07 µg/m³
PM10 = 14 or 15.1 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 1 or 0.52 ppb
O₃ = 21 or 23.48 ppb
CO = 5 or 0.4 ppb
At 12 PM the AQI was 65 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 65 or 17.47 µg/m³
PM10 = 16 or 17.5 µg/m³
NO₂ = 19 or 20 ppb
SO₂ = 1 or 1.37 ppb
O₃ = 6 or 6.98 ppb
CO = 6 or 0.5 ppb
PM2.5 = 65 or 17.47 µg/m³
PM10 = 16 or 17.5 µg/m³
NO₂ = 19 or 20 ppb
SO₂ = 1 or 1.37 ppb
O₃ = 6 or 6.98 ppb
CO = 6 or 0.5 ppb
December 1, 2025 at 6:01 PM
At 12 PM the AQI was 65 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 65 or 17.47 µg/m³
PM10 = 16 or 17.5 µg/m³
NO₂ = 19 or 20 ppb
SO₂ = 1 or 1.37 ppb
O₃ = 6 or 6.98 ppb
CO = 6 or 0.5 ppb
PM2.5 = 65 or 17.47 µg/m³
PM10 = 16 or 17.5 µg/m³
NO₂ = 19 or 20 ppb
SO₂ = 1 or 1.37 ppb
O₃ = 6 or 6.98 ppb
CO = 6 or 0.5 ppb
At 9 AM the AQI was 60 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 60 or 10.16 µg/m³
PM10 = 14 or 14.6 µg/m³
NO₂ = 34 or 36 ppb
SO₂ = 1 or 1.14 ppb
O₃ = 13 or 13.98 ppb
CO = 6 or 0.5 ppb
PM2.5 = 60 or 10.16 µg/m³
PM10 = 14 or 14.6 µg/m³
NO₂ = 34 or 36 ppb
SO₂ = 1 or 1.14 ppb
O₃ = 13 or 13.98 ppb
CO = 6 or 0.5 ppb
December 1, 2025 at 3:01 PM
At 9 AM the AQI was 60 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 60 or 10.16 µg/m³
PM10 = 14 or 14.6 µg/m³
NO₂ = 34 or 36 ppb
SO₂ = 1 or 1.14 ppb
O₃ = 13 or 13.98 ppb
CO = 6 or 0.5 ppb
PM2.5 = 60 or 10.16 µg/m³
PM10 = 14 or 14.6 µg/m³
NO₂ = 34 or 36 ppb
SO₂ = 1 or 1.14 ppb
O₃ = 13 or 13.98 ppb
CO = 6 or 0.5 ppb
At 6 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is holy
PM2.5 = 18 or 4.12 µg/m³
PM10 = 7 or 7.8 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 29 or 31.24 ppb
CO = 2 or 0.2 ppb
PM2.5 = 18 or 4.12 µg/m³
PM10 = 7 or 7.8 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 29 or 31.24 ppb
CO = 2 or 0.2 ppb
December 1, 2025 at 12:01 AM
At 6 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is holy
PM2.5 = 18 or 4.12 µg/m³
PM10 = 7 or 7.8 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 29 or 31.24 ppb
CO = 2 or 0.2 ppb
PM2.5 = 18 or 4.12 µg/m³
PM10 = 7 or 7.8 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 29 or 31.24 ppb
CO = 2 or 0.2 ppb
At 3 PM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 22 or 5.18 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.31 ppb
O₃ = 26 or 28.4 ppb
CO = 2 or 0.2 ppb
PM2.5 = 22 or 5.18 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.31 ppb
O₃ = 26 or 28.4 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 9:01 PM
At 3 PM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 22 or 5.18 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.31 ppb
O₃ = 26 or 28.4 ppb
CO = 2 or 0.2 ppb
PM2.5 = 22 or 5.18 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.31 ppb
O₃ = 26 or 28.4 ppb
CO = 2 or 0.2 ppb
At 12 PM the AQI was 30 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 30 or 4.73 µg/m³
PM10 = 9 or 10 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 23 or 25.11 ppb
CO = 2 or 0.2 ppb
PM2.5 = 30 or 4.73 µg/m³
PM10 = 9 or 10 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 23 or 25.11 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 6:01 PM
At 12 PM the AQI was 30 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 30 or 4.73 µg/m³
PM10 = 9 or 10 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 23 or 25.11 ppb
CO = 2 or 0.2 ppb
PM2.5 = 30 or 4.73 µg/m³
PM10 = 9 or 10 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 23 or 25.11 ppb
CO = 2 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 6.2 µg/m³
PM10 = 10 or 11.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 20 or 22.27 ppb
CO = 2 or 0.2 ppb
PM2.5 = 44 or 6.2 µg/m³
PM10 = 10 or 11.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 20 or 22.27 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 3:01 PM
At 9 AM the AQI was 44 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 44 or 6.2 µg/m³
PM10 = 10 or 11.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 20 or 22.27 ppb
CO = 2 or 0.2 ppb
PM2.5 = 44 or 6.2 µg/m³
PM10 = 10 or 11.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.17 ppb
O₃ = 20 or 22.27 ppb
CO = 2 or 0.2 ppb
At 6 AM the AQI was 41 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 41 or 10.88 µg/m³
PM10 = 10 or 10.9 µg/m³
NO₂ = 3 or 3 ppb
SO₂ = 0 or 0.13 ppb
O₃ = 21 or 22.73 ppb
CO = 2 or 0.2 ppb
PM2.5 = 41 or 10.88 µg/m³
PM10 = 10 or 10.9 µg/m³
NO₂ = 3 or 3 ppb
SO₂ = 0 or 0.13 ppb
O₃ = 21 or 22.73 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 12:01 PM
At 6 AM the AQI was 41 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 41 or 10.88 µg/m³
PM10 = 10 or 10.9 µg/m³
NO₂ = 3 or 3 ppb
SO₂ = 0 or 0.13 ppb
O₃ = 21 or 22.73 ppb
CO = 2 or 0.2 ppb
PM2.5 = 41 or 10.88 µg/m³
PM10 = 10 or 10.9 µg/m³
NO₂ = 3 or 3 ppb
SO₂ = 0 or 0.13 ppb
O₃ = 21 or 22.73 ppb
CO = 2 or 0.2 ppb
At 9 PM the AQI was 42 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 42 or 6.12 µg/m³
PM10 = 7 or 8.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.82 ppb
CO = 2 or 0.2 ppb
PM2.5 = 42 or 6.12 µg/m³
PM10 = 7 or 8.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.82 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 3:01 AM
At 9 PM the AQI was 42 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 42 or 6.12 µg/m³
PM10 = 7 or 8.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.82 ppb
CO = 2 or 0.2 ppb
PM2.5 = 42 or 6.12 µg/m³
PM10 = 7 or 8.1 µg/m³
NO₂ = 5 or 5 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.82 ppb
CO = 2 or 0.2 ppb
At 6 PM the AQI was 48 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 48 or 9.09 µg/m³
PM10 = 8 or 9.1 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 23 or 24.73 ppb
CO = 2 or 0.2 ppb
PM2.5 = 48 or 9.09 µg/m³
PM10 = 8 or 9.1 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 23 or 24.73 ppb
CO = 2 or 0.2 ppb
November 30, 2025 at 12:01 AM
At 6 PM the AQI was 48 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 48 or 9.09 µg/m³
PM10 = 8 or 9.1 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 23 or 24.73 ppb
CO = 2 or 0.2 ppb
PM2.5 = 48 or 9.09 µg/m³
PM10 = 8 or 9.1 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 23 or 24.73 ppb
CO = 2 or 0.2 ppb
At 3 PM the AQI was 51 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 51 or 9.09 µg/m³
PM10 = 10 or 10.7 µg/m³
NO₂ = 4 or 4 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 22 or 23.77 ppb
CO = 2 or 0.2 ppb
PM2.5 = 51 or 9.09 µg/m³
PM10 = 10 or 10.7 µg/m³
NO₂ = 4 or 4 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 22 or 23.77 ppb
CO = 2 or 0.2 ppb
November 29, 2025 at 9:01 PM
At 3 PM the AQI was 51 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 51 or 9.09 µg/m³
PM10 = 10 or 10.7 µg/m³
NO₂ = 4 or 4 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 22 or 23.77 ppb
CO = 2 or 0.2 ppb
PM2.5 = 51 or 9.09 µg/m³
PM10 = 10 or 10.7 µg/m³
NO₂ = 4 or 4 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 22 or 23.77 ppb
CO = 2 or 0.2 ppb
At 12 PM the AQI was 47 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 47 or 8.9 µg/m³
PM10 = 11 or 11.9 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 18 or 18.56 ppb
CO = 3 or 0.3 ppb
PM2.5 = 47 or 8.9 µg/m³
PM10 = 11 or 11.9 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 18 or 18.56 ppb
CO = 3 or 0.3 ppb
November 29, 2025 at 6:01 PM
At 12 PM the AQI was 47 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 47 or 8.9 µg/m³
PM10 = 11 or 11.9 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 18 or 18.56 ppb
CO = 3 or 0.3 ppb
PM2.5 = 47 or 8.9 µg/m³
PM10 = 11 or 11.9 µg/m³
NO₂ = 6 or 6 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 18 or 18.56 ppb
CO = 3 or 0.3 ppb
At 9 AM the AQI was 36 , the dominant pollutant was PM2.5 and the air quality is super
PM2.5 = 36 or 7.23 µg/m³
PM10 = 9 or 10.4 µg/m³
NO₂ = 9 or 10 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 14 or 15.23 ppb
CO = 3 or 0.3 ppb
PM2.5 = 36 or 7.23 µg/m³
PM10 = 9 or 10.4 µg/m³
NO₂ = 9 or 10 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 14 or 15.23 ppb
CO = 3 or 0.3 ppb
November 29, 2025 at 3:01 PM
At 9 AM the AQI was 36 , the dominant pollutant was PM2.5 and the air quality is super
PM2.5 = 36 or 7.23 µg/m³
PM10 = 9 or 10.4 µg/m³
NO₂ = 9 or 10 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 14 or 15.23 ppb
CO = 3 or 0.3 ppb
PM2.5 = 36 or 7.23 µg/m³
PM10 = 9 or 10.4 µg/m³
NO₂ = 9 or 10 ppb
SO₂ = 0 or 0.33 ppb
O₃ = 14 or 15.23 ppb
CO = 3 or 0.3 ppb
At 6 AM the AQI was 46 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 46 or 8.54 µg/m³
PM10 = 23 or 25 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.42 ppb
O₃ = 8 or 8.8 ppb
CO = 3 or 0.3 ppb
PM2.5 = 46 or 8.54 µg/m³
PM10 = 23 or 25 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.42 ppb
O₃ = 8 or 8.8 ppb
CO = 3 or 0.3 ppb
November 29, 2025 at 12:01 PM
At 6 AM the AQI was 46 , the dominant pollutant was PM2.5 and the air quality is okay
PM2.5 = 46 or 8.54 µg/m³
PM10 = 23 or 25 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.42 ppb
O₃ = 8 or 8.8 ppb
CO = 3 or 0.3 ppb
PM2.5 = 46 or 8.54 µg/m³
PM10 = 23 or 25 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.42 ppb
O₃ = 8 or 8.8 ppb
CO = 3 or 0.3 ppb
At 9 PM the AQI was 51 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 51 or 10.41 µg/m³
PM10 = 18 or 18.7 µg/m³
NO₂ = 25 or 26 ppb
SO₂ = 0 or 0.37 ppb
O₃ = 16 or 16.66 ppb
CO = 3 or 0.3 ppb
PM2.5 = 51 or 10.41 µg/m³
PM10 = 18 or 18.7 µg/m³
NO₂ = 25 or 26 ppb
SO₂ = 0 or 0.37 ppb
O₃ = 16 or 16.66 ppb
CO = 3 or 0.3 ppb
November 29, 2025 at 3:01 AM
At 9 PM the AQI was 51 , the dominant pollutant was PM2.5 and the air quality is moderate
PM2.5 = 51 or 10.41 µg/m³
PM10 = 18 or 18.7 µg/m³
NO₂ = 25 or 26 ppb
SO₂ = 0 or 0.37 ppb
O₃ = 16 or 16.66 ppb
CO = 3 or 0.3 ppb
PM2.5 = 51 or 10.41 µg/m³
PM10 = 18 or 18.7 µg/m³
NO₂ = 25 or 26 ppb
SO₂ = 0 or 0.37 ppb
O₃ = 16 or 16.66 ppb
CO = 3 or 0.3 ppb
At 6 PM the AQI was 24 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 24 or 6.89 µg/m³
PM10 = 12 or 13 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 24 or 26.46 ppb
CO = 3 or 0.3 ppb
PM2.5 = 24 or 6.89 µg/m³
PM10 = 12 or 13 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 24 or 26.46 ppb
CO = 3 or 0.3 ppb
November 29, 2025 at 12:01 AM
At 6 PM the AQI was 24 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 24 or 6.89 µg/m³
PM10 = 12 or 13 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 24 or 26.46 ppb
CO = 3 or 0.3 ppb
PM2.5 = 24 or 6.89 µg/m³
PM10 = 12 or 13 µg/m³
NO₂ = 11 or 12 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 24 or 26.46 ppb
CO = 3 or 0.3 ppb
At 3 PM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 20 or 7.29 µg/m³
PM10 = 9 or 10.2 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 26 or 28.1 ppb
CO = 2 or 0.2 ppb
PM2.5 = 20 or 7.29 µg/m³
PM10 = 9 or 10.2 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 26 or 28.1 ppb
CO = 2 or 0.2 ppb
November 28, 2025 at 9:01 PM
At 3 PM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 20 or 7.29 µg/m³
PM10 = 9 or 10.2 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 26 or 28.1 ppb
CO = 2 or 0.2 ppb
PM2.5 = 20 or 7.29 µg/m³
PM10 = 9 or 10.2 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.27 ppb
O₃ = 26 or 28.1 ppb
CO = 2 or 0.2 ppb
At 12 PM the AQI was 23 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 23 or 6.24 µg/m³
PM10 = 12 or 13.4 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.48 ppb
O₃ = 19 or 21.32 ppb
CO = 2 or 0.2 ppb
PM2.5 = 23 or 6.24 µg/m³
PM10 = 12 or 13.4 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.48 ppb
O₃ = 19 or 21.32 ppb
CO = 2 or 0.2 ppb
November 28, 2025 at 6:01 PM
At 12 PM the AQI was 23 , the dominant pollutant was PM2.5 and the air quality is unbelievable
PM2.5 = 23 or 6.24 µg/m³
PM10 = 12 or 13.4 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.48 ppb
O₃ = 19 or 21.32 ppb
CO = 2 or 0.2 ppb
PM2.5 = 23 or 6.24 µg/m³
PM10 = 12 or 13.4 µg/m³
NO₂ = 17 or 18 ppb
SO₂ = 0 or 0.48 ppb
O₃ = 19 or 21.32 ppb
CO = 2 or 0.2 ppb
At 9 AM the AQI was 27 , the dominant pollutant was NO2 and the air quality is unbelievable
PM2.5 = 26 or 5.86 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 27 or 29 ppb
SO₂ = 0 or 0.34 ppb
O₃ = 15 or 16.18 ppb
CO = 2 or 0.2 ppb
PM2.5 = 26 or 5.86 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 27 or 29 ppb
SO₂ = 0 or 0.34 ppb
O₃ = 15 or 16.18 ppb
CO = 2 or 0.2 ppb
November 28, 2025 at 3:01 PM
At 9 AM the AQI was 27 , the dominant pollutant was NO2 and the air quality is unbelievable
PM2.5 = 26 or 5.86 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 27 or 29 ppb
SO₂ = 0 or 0.34 ppb
O₃ = 15 or 16.18 ppb
CO = 2 or 0.2 ppb
PM2.5 = 26 or 5.86 µg/m³
PM10 = 11 or 12.1 µg/m³
NO₂ = 27 or 29 ppb
SO₂ = 0 or 0.34 ppb
O₃ = 15 or 16.18 ppb
CO = 2 or 0.2 ppb
At 6 PM the AQI was 28 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 19 or 5.39 µg/m³
PM10 = 11 or 11.7 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 28 or 29.54 ppb
CO = 2 or 0.2 ppb
PM2.5 = 19 or 5.39 µg/m³
PM10 = 11 or 11.7 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 28 or 29.54 ppb
CO = 2 or 0.2 ppb
November 28, 2025 at 12:01 AM
At 6 PM the AQI was 28 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 19 or 5.39 µg/m³
PM10 = 11 or 11.7 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 28 or 29.54 ppb
CO = 2 or 0.2 ppb
PM2.5 = 19 or 5.39 µg/m³
PM10 = 11 or 11.7 µg/m³
NO₂ = 8 or 9 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 28 or 29.54 ppb
CO = 2 or 0.2 ppb
At 3 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 16 or 5.21 µg/m³
PM10 = 8 or 8.8 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 29 or 31.13 ppb
CO = 2 or 0.2 ppb
PM2.5 = 16 or 5.21 µg/m³
PM10 = 8 or 8.8 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 29 or 31.13 ppb
CO = 2 or 0.2 ppb
November 27, 2025 at 9:03 PM
At 3 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 16 or 5.21 µg/m³
PM10 = 8 or 8.8 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 29 or 31.13 ppb
CO = 2 or 0.2 ppb
PM2.5 = 16 or 5.21 µg/m³
PM10 = 8 or 8.8 µg/m³
NO₂ = 8 or 8 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 29 or 31.13 ppb
CO = 2 or 0.2 ppb
At 12 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 9 or 4.88 µg/m³
PM10 = 7 or 8.3 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 29 or 31.27 ppb
CO = 2 or 0.2 ppb
PM2.5 = 9 or 4.88 µg/m³
PM10 = 7 or 8.3 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 29 or 31.27 ppb
CO = 2 or 0.2 ppb
November 27, 2025 at 6:01 PM
At 12 PM the AQI was 29 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 9 or 4.88 µg/m³
PM10 = 7 or 8.3 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 29 or 31.27 ppb
CO = 2 or 0.2 ppb
PM2.5 = 9 or 4.88 µg/m³
PM10 = 7 or 8.3 µg/m³
NO₂ = 13 or 14 ppb
SO₂ = 0 or 0.26 ppb
O₃ = 29 or 31.27 ppb
CO = 2 or 0.2 ppb
At 9 AM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 12 or 3.09 µg/m³
PM10 = 6 or 7.5 µg/m³
NO₂ = 15 or 16 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.79 ppb
CO = 2 or 0.2 ppb
PM2.5 = 12 or 3.09 µg/m³
PM10 = 6 or 7.5 µg/m³
NO₂ = 15 or 16 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.79 ppb
CO = 2 or 0.2 ppb
November 27, 2025 at 3:01 PM
At 9 AM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 12 or 3.09 µg/m³
PM10 = 6 or 7.5 µg/m³
NO₂ = 15 or 16 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.79 ppb
CO = 2 or 0.2 ppb
PM2.5 = 12 or 3.09 µg/m³
PM10 = 6 or 7.5 µg/m³
NO₂ = 15 or 16 ppb
SO₂ = 0 or 0.28 ppb
O₃ = 26 or 27.79 ppb
CO = 2 or 0.2 ppb
At 6 AM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 15 or 3.69 µg/m³
PM10 = 6 or 7.1 µg/m³
NO₂ = 10 or 11 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.89 ppb
CO = 2 or 0.2 ppb
PM2.5 = 15 or 3.69 µg/m³
PM10 = 6 or 7.1 µg/m³
NO₂ = 10 or 11 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.89 ppb
CO = 2 or 0.2 ppb
November 27, 2025 at 12:02 PM
At 6 AM the AQI was 26 , the dominant pollutant was O3 and the air quality is unbelievable
PM2.5 = 15 or 3.69 µg/m³
PM10 = 6 or 7.1 µg/m³
NO₂ = 10 or 11 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.89 ppb
CO = 2 or 0.2 ppb
PM2.5 = 15 or 3.69 µg/m³
PM10 = 6 or 7.1 µg/m³
NO₂ = 10 or 11 ppb
SO₂ = 0 or 0.24 ppb
O₃ = 26 or 27.89 ppb
CO = 2 or 0.2 ppb