AQSQID: 180890015

Site Name: East Chicago Post Office

Location: E Chicago, IN

Reporting: True, Located: True

Current AQI: 6.0

E Chicago IN, US: 41.628611, -87.461389

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.57 ppb (6) N/A N/A 6.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.73 ppb (8) N/A N/A 8.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.72 ppb (8) N/A N/A 8.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.63 ppb (7) N/A N/A 7.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.51 ppb (6) N/A N/A 6.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (5) N/A N/A 5.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A N/A 5.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.72 ppb (8) N/A N/A 8.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.04 ppb (12) N/A N/A 12.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.83 ppb (9) N/A N/A 9.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.73 ppb (8) N/A N/A 8.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 1.42 ppb (16) N/A N/A 16.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A N/A 5.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A N/A 5.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A N/A 4.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (4) N/A N/A 4.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.68 ppb (8) N/A N/A 8.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A N/A 5.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) N/A N/A 4.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (5) N/A N/A 5.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A N/A 5.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.53 ppb (6) N/A N/A 6.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.55 ppb (6) N/A N/A 6.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.56 ppb (6) N/A N/A 6.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.54 ppb (6) N/A N/A 6.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.44 ppb (5) N/A N/A 5.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (4) N/A N/A 4.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A N/A 4.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) N/A N/A 4.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.36 ppb (4) N/A N/A 4.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A N/A 4.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.36 ppb (4) N/A N/A 4.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) N/A N/A 4.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (4) N/A N/A 4.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (4) N/A N/A 4.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.31 ppb (3) N/A N/A 3.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) N/A N/A 3.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A N/A 3.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A N/A 2.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (2) N/A N/A 2.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (2) N/A N/A 2.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A N/A 3.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) N/A N/A 3.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) N/A N/A 3.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A N/A 3.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A N/A 3.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 14, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
March 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (3) N/A N/A 3.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A N/A 3.0
 
March 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
March 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 13, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A N/A 3.0
 
March 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) N/A N/A 3.0
 
March 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (3) N/A N/A 3.0
 
March 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (3) N/A N/A 3.0
 
March 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A N/A 5.0
 
March 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.58 ppb (6) N/A N/A 6.0
 
March 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.15 ppb (13) N/A N/A 13.0
 
March 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A 1.37 ppb (15) N/A N/A 15.0
 
March 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.84 ppb (9) N/A N/A 9.0
 
March 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.68 ppb (8) N/A N/A 8.0
 
March 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.58 ppb (6) N/A N/A 6.0
 
March 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (5) N/A N/A 5.0
 
March 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.44 ppb (5) N/A N/A 5.0
 
March 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
March 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.63 ppb (7) N/A N/A 7.0
 
March 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.43 ppb (5) N/A N/A 5.0
 
March 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (4) N/A N/A 4.0
 
March 12, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.37 ppb (4) N/A N/A 4.0
 
March 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) N/A N/A 4.0
 
March 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) N/A N/A 4.0
 
March 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.38 ppb (4) N/A N/A 4.0
 
March 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.36 ppb (4) N/A N/A 4.0
 
March 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.39 ppb (4) N/A N/A 4.0
 
March 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.41 ppb (5) N/A N/A 5.0
 
March 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (5) N/A N/A 5.0