ID: 2206

AQSQID: 270530954

Site Name: Minneapolis-Downtown

Added: April 21, 2020, 6:24 p.m.

Updated: April 22, 2021, 9:43 a.m.

Location: Minneapolis (Downtown W), MN

Reporting: True, Located: True

Current AQI: 4.0

Minneapolis (Downtown W) MN, US: 44.979, -93.2737

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.26 ppb (4) N/A N/A 4.0
 
April 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.25 ppb (3) N/A N/A 3.0
 
April 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A N/A 3.0
 
April 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (4) N/A N/A 4.0
 
April 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.29 ppb (4) N/A N/A 4.0
 
April 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (4) N/A N/A 4.0
 
April 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (4) N/A N/A 4.0
 
April 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (4) N/A N/A 4.0
 
April 22, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A N/A 3.0
 
April 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (4) N/A N/A 4.0
 
April 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A N/A 3.0
 
April 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.32 ppb (4) N/A N/A 4.0
 
April 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A N/A 3.0
 
April 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A N/A 3.0
 
April 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.22 ppb (3) N/A N/A 3.0
 
April 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.26 ppb (4) N/A N/A 4.0
 
April 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.41 ppb (5) N/A N/A 5.0
 
April 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.28 ppb (4) N/A N/A 4.0
 
April 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (4) N/A N/A 4.0
 
April 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.37 ppb (5) N/A N/A 5.0
 
April 21, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.36 ppb (5) N/A N/A 5.0
 
April 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.7 ppb (8) N/A N/A 8.0
 
April 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.46 ppb (6) N/A N/A 6.0
 
April 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.52 ppb (6) N/A N/A 6.0
 
April 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.33 ppb (4) N/A N/A 4.0
 
April 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A N/A 3.0
 
April 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.36 ppb (5) N/A N/A 5.0
 
April 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (5) N/A N/A 5.0
 
April 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.55 ppb (7) N/A N/A 7.0
 
April 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.98 ppb (12) N/A N/A 12.0
 
April 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.42 ppb (5) N/A N/A 5.0
 
April 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.41 ppb (5) N/A N/A 5.0
 
April 21, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.36 ppb (5) N/A N/A 5.0
 
April 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.41 ppb (5) N/A N/A 5.0
 
April 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.37 ppb (5) N/A N/A 5.0
 
April 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.31 ppb (4) N/A N/A 4.0
 
April 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.34 ppb (4) N/A N/A 4.0
 
April 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.36 ppb (5) N/A N/A 5.0
 
April 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.3 ppb (4) N/A N/A 4.0
 
April 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
April 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.56 ppb (7) N/A N/A 7.0
 
April 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.89 ppb (11) N/A N/A 11.0
 
April 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.1 ppb (13) N/A N/A 13.0
 
April 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.12 ppb (13) N/A N/A 13.0
 
April 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.26 ppb (15) N/A N/A 15.0
 
April 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.21 ppb (14) N/A N/A 14.0
 
April 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.13 ppb (13) N/A N/A 13.0
 
April 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.02 ppb (12) N/A N/A 12.0
 
April 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.95 ppb (11) N/A N/A 11.0
 
April 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.03 ppb (12) N/A N/A 12.0
 
April 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.25 ppb (14) N/A N/A 14.0
 
April 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.57 ppb (19) N/A N/A 19.0
 
April 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.34 ppb (15) N/A N/A 15.0
 
April 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.29 ppb (15) N/A N/A 15.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.2 ppb (14) N/A N/A 14.0
 
April 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 1.03 ppb (12) N/A N/A 12.0
 
April 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.92 ppb (11) N/A N/A 11.0
 
April 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.92 ppb (11) N/A N/A 11.0
 
April 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.91 ppb (11) N/A N/A 11.0
 
April 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.9 ppb (11) N/A N/A 11.0
 
April 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.88 ppb (11) N/A N/A 11.0
 
April 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.9 ppb (11) N/A N/A 11.0
 
April 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.89 ppb (11) N/A N/A 11.0
 
April 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.95 ppb (11) N/A N/A 11.0
 
April 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.91 ppb (11) N/A N/A 11.0
 
April 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.91 ppb (11) N/A N/A 11.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.97 ppb (12) N/A N/A 12.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.99 ppb (12) N/A N/A 12.0
 
April 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.92 ppb (11) N/A N/A 11.0
 
April 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.81 ppb (10) N/A N/A 10.0
 
April 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.81 ppb (10) N/A N/A 10.0
 
April 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.82 ppb (10) N/A N/A 10.0
 
April 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.18 ppb (14) N/A N/A 14.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A 1.09 ppb (13) N/A N/A 13.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.1 ppb (13) N/A N/A 13.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.89 ppb (11) N/A N/A 11.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.91 ppb (11) N/A N/A 11.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.87 ppb (11) N/A N/A 11.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.94 ppb (11) N/A N/A 11.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.0 ppb (12) N/A N/A 12.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.99 ppb (12) N/A N/A 12.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.04 ppb (12) N/A N/A 12.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.0 ppb (12) N/A N/A 12.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.01 ppb (12) N/A N/A 12.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.07 ppb (13) N/A N/A 13.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.11 ppb (13) N/A N/A 13.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.19 ppb (14) N/A N/A 14.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.69 ppb (20) N/A N/A 20.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.83 ppb (21) N/A N/A 21.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 1.4 ppb (16) N/A N/A 16.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A 1.18 ppb (14) N/A N/A 14.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.97 ppb (12) N/A N/A 12.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.88 ppb (11) N/A N/A 11.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.89 ppb (11) N/A N/A 11.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.98 ppb (12) N/A N/A 12.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.91 ppb (11) N/A N/A 11.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.9 ppb (11) N/A N/A 11.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.98 ppb (12) N/A N/A 12.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.99 ppb (12) N/A N/A 12.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.94 ppb (11) N/A N/A 11.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.8 ppb (10) N/A N/A 10.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.78 ppb (10) N/A N/A 10.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.77 ppb (10) N/A N/A 10.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.79 ppb (10) N/A N/A 10.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.94 ppb (11) N/A N/A 11.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.0 ppb (12) N/A N/A 12.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.92 ppb (11) N/A N/A 11.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.94 ppb (11) N/A N/A 11.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.93 ppb (11) N/A N/A 11.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.96 ppb (12) N/A N/A 12.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.09 ppb (13) N/A N/A 13.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 1.16 ppb (14) N/A N/A 14.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.93 ppb (11) N/A N/A 11.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.81 ppb (10) N/A N/A 10.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.82 ppb (10) N/A N/A 10.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.86 ppb (11) N/A N/A 11.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.83 ppb (10) N/A N/A 10.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.85 ppb (10) N/A N/A 10.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.84 ppb (10) N/A N/A 10.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.81 ppb (10) N/A N/A 10.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.81 ppb (10) N/A N/A 10.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.79 ppb (10) N/A N/A 10.0