AQSQID: 270530954

Site Name: Minneapolis-Downtown

Location: Minneapolis (N 6th St), MN

Reporting: True, Located: True

Current AQI: 7.0

Minneapolis (N 6th St) MN, US: 44.979, -93.2737

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.6 ppb (7) N/A N/A 7.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.63 ppb (7) N/A N/A 7.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.6 ppb (7) N/A N/A 7.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.62 ppb (7) N/A N/A 7.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.63 ppb (7) N/A N/A 7.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.69 ppb (8) N/A N/A 8.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.66 ppb (7) N/A N/A 7.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.55 ppb (6) N/A N/A 6.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.58 ppb (6) N/A N/A 6.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.69 ppb (8) N/A N/A 8.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.67 ppb (7) N/A N/A 7.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.69 ppb (8) N/A N/A 8.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.68 ppb (8) N/A N/A 8.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.62 ppb (7) N/A N/A 7.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.68 ppb (8) N/A N/A 8.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.71 ppb (8) N/A N/A 8.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.78 ppb (9) N/A N/A 9.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.66 ppb (7) N/A N/A 7.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.63 ppb (7) N/A N/A 7.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.62 ppb (7) N/A N/A 7.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.58 ppb (6) N/A N/A 6.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.58 ppb (6) N/A N/A 6.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.61 ppb (7) N/A N/A 7.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.6 ppb (7) N/A N/A 7.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.61 ppb (7) N/A N/A 7.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.6 ppb (7) N/A N/A 7.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 19, 2019, 4 p.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 19, 2019, 3 p.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 19, 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 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 19, 2019, noon 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 19, 2019, 11 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 19, 2019, 10 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 19, 2019, 9 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 19, 2019, 8 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 19, 2019, 7 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 19, 2019, 6 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 19, 2019, 5 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 19, 2019, 4 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 19, 2019, 3 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 19, 2019, 2 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 19, 2019, 1 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 19, 2019, midnight N/A N/A N/A N/A N/A N/A N/A 0.59 ppb (7) N/A N/A 7.0
 
March 18, 2019, 11 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 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.59 ppb (7) N/A N/A 7.0
 
March 18, 2019, 8 p.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 18, 2019, 7 p.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 18, 2019, 6 p.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 18, 2019, 5 p.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 18, 2019, 4 p.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 18, 2019, 3 p.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 18, 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 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.62 ppb (7) N/A N/A 7.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.59 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 0.52 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 0.53 ppb (6) N/A N/A 6.0
 
March 18, 2019, 8 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 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.67 ppb (7) N/A N/A 7.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.66 ppb (7) N/A N/A 7.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.66 ppb (7) N/A N/A 7.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.7 ppb (8) N/A N/A 8.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.78 ppb (9) N/A N/A 9.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.66 ppb (7) N/A N/A 7.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.55 ppb (6) N/A N/A 6.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.6 ppb (7) N/A N/A 7.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.55 ppb (6) N/A N/A 6.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.49 ppb (5) N/A N/A 5.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.48 ppb (5) N/A N/A 5.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.49 ppb (5) N/A N/A 5.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 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 1.0 ppb (1) N/A 0.59 ppb (7) N/A N/A 7.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 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 2.0 ppb (3) N/A 0.58 ppb (6) N/A N/A 6.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.57 ppb (6) N/A N/A 6.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.61 ppb (7) N/A N/A 7.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.56 ppb (6) N/A N/A 6.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.55 ppb (6) N/A N/A 6.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.48 ppb (5) N/A N/A 5.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.49 ppb (5) N/A N/A 5.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.47 ppb (5) N/A N/A 5.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.46 ppb (5) N/A N/A 5.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.47 ppb (5) N/A N/A 5.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.55 ppb (6) N/A N/A 6.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.51 ppb (6) N/A N/A 6.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.63 ppb (7) N/A N/A 7.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.49 ppb (5) N/A N/A 5.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.54 ppb (6) N/A N/A 6.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.48 ppb (5) N/A N/A 5.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.47 ppb (5) N/A N/A 5.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.48 ppb (5) N/A N/A 5.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.5 ppb (6) N/A N/A 6.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.52 ppb (6) N/A N/A 6.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 0.53 ppb (6) N/A N/A 6.0