AQSQID: 261630095

Site Name: Livonia Near Road

Location: Livonia, MI

Reporting: True, Located: True

Current AQI: 5.0

Livonia MI, US: 42.421494, -83.425168

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 7 a.m. 4.6 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A N/A 5.0
 
Jan. 16, 2019, 6 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
Jan. 16, 2019, 5 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 16, 2019, 4 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 16, 2019, 3 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 16, 2019, 2 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 16, 2019, 1 a.m. 5.2 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A N/A 5.0
 
Jan. 16, 2019, midnight 5.8 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 15, 2019, 11 p.m. 8.2 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 8.0
 
Jan. 15, 2019, 10 p.m. 9.1 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 8.0
 
Jan. 15, 2019, 9 p.m. 10.0 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 15, 2019, 8 p.m. 9.7 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 15, 2019, 7 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
 
Jan. 15, 2019, 6 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
 
Jan. 15, 2019, 5 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
 
Jan. 15, 2019, 4 p.m. 10.2 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 15, 2019, 3 p.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 10.0
 
Jan. 15, 2019, 2 p.m. 9.3 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 15, 2019, 1 p.m. 8.9 ppb (8) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 8.0
 
Jan. 15, 2019, noon 9.3 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 15, 2019, 11 a.m. 8.0 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 7.0
 
Jan. 15, 2019, 10 a.m. 6.3 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 15, 2019, 9 a.m. 6.2 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 15, 2019, 8 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
 
Jan. 15, 2019, 7 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 15, 2019, 6 a.m. 3.5 ppb (3) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 4.0
 
Jan. 15, 2019, 5 a.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 15, 2019, 4 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 15, 2019, 3 a.m. 5.6 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 15, 2019, 2 a.m. 13.9 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 15, 2019, 1 a.m. 18.2 ppb (17) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 17.0
 
Jan. 15, 2019, midnight 17.0 ppb (16) 0.5 ppb (0) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A N/A 16.0
 
Jan. 14, 2019, 11 p.m. 14.1 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 14, 2019, 10 p.m. 8.4 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 8.0
 
Jan. 14, 2019, 9 p.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 14, 2019, 8 p.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 14, 2019, 7 p.m. 7.6 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 7.0
 
Jan. 14, 2019, 6 p.m. 10.8 ppb (10) 2.5 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 10.0
 
Jan. 14, 2019, 5 p.m. 9.7 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 9.0
 
Jan. 14, 2019, 4 p.m. 14.8 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 14.0
 
Jan. 14, 2019, 3 p.m. 17.9 ppb (17) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 17.0
 
Jan. 14, 2019, 2 p.m. 36.0 ppb (33) 12.3 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 33.0
 
Jan. 14, 2019, 1 p.m. 40.4 ppb (37) 11.4 ppb (11) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A N/A 37.0
 
Jan. 14, 2019, noon 29.1 ppb (27) 3.1 ppb (3) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 27.0
 
Jan. 14, 2019, 11 a.m. 33.3 ppb (31) 4.7 ppb (4) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A N/A 31.0
 
Jan. 14, 2019, 10 a.m. 37.6 ppb (35) 6.8 ppb (6) N/A 31.0 ppb (29) N/A N/A N/A 0.8 ppb (9) N/A N/A 35.0
 
Jan. 14, 2019, 9 a.m. 27.7 ppb (26) 2.3 ppb (2) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 26.0
 
Jan. 14, 2019, 8 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
 
Jan. 14, 2019, 7 a.m. 25.2 ppb (23) 0.8 ppb (1) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 23.0
 
Jan. 14, 2019, 6 a.m. 23.2 ppb (21) 1.5 ppb (1) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 14, 2019, 5 a.m. 23.0 ppb (21) 3.3 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
Jan. 14, 2019, 4 a.m. 21.3 ppb (20) 1.6 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
Jan. 14, 2019, 3 a.m. 24.6 ppb (23) 3.5 ppb (3) N/A 21.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A N/A 23.0
 
Jan. 14, 2019, 2 a.m. 22.0 ppb (20) 4.0 ppb (4) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 20.0
 
Jan. 14, 2019, 1 a.m. 14.1 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 14, 2019, midnight 13.7 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 13, 2019, 11 p.m. 16.2 ppb (15) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A N/A 15.0
 
Jan. 13, 2019, 10 p.m. 15.6 ppb (14) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 14.0
 
Jan. 13, 2019, 9 p.m. 11.3 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 10.0
 
Jan. 13, 2019, 8 p.m. 9.3 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Jan. 13, 2019, 7 p.m. 8.9 ppb (8) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 8.0
 
Jan. 13, 2019, 6 p.m. 10.6 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 10.0
 
Jan. 13, 2019, 5 p.m. 13.2 ppb (12) 5.1 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Jan. 13, 2019, 4 p.m. 12.5 ppb (12) 4.8 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Jan. 13, 2019, 3 p.m. 12.0 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 11.0
 
Jan. 13, 2019, 2 p.m. 12.6 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 12.0
 
Jan. 13, 2019, 1 p.m. 11.8 ppb (11) 2.2 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 11.0
 
Jan. 13, 2019, noon 11.0 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 10.0
 
Jan. 13, 2019, 11 a.m. 10.3 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 10.0
 
Jan. 13, 2019, 10 a.m. 13.1 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 12.0
 
Jan. 13, 2019, 9 a.m. 12.5 ppb (12) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 12.0
 
Jan. 13, 2019, 8 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
 
Jan. 13, 2019, 7 a.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 9.0
 
Jan. 13, 2019, 6 a.m. 11.8 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A N/A 11.0
 
Jan. 13, 2019, 5 a.m. 18.9 ppb (18) 2.0 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A N/A 18.0
 
Jan. 13, 2019, 4 a.m. 22.9 ppb (21) 3.1 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
Jan. 13, 2019, 3 a.m. 21.6 ppb (20) 2.7 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
Jan. 13, 2019, 2 a.m. 19.5 ppb (18) 2.5 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A N/A 18.0
 
Jan. 13, 2019, 1 a.m. 16.8 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
Jan. 13, 2019, midnight 12.0 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 11.0
 
Jan. 12, 2019, 11 p.m. 12.6 ppb (12) 3.5 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Jan. 12, 2019, 10 p.m. 15.6 ppb (14) 4.6 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 14.0
 
Jan. 12, 2019, 9 p.m. 14.5 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 12, 2019, 8 p.m. 14.4 ppb (13) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Jan. 12, 2019, 7 p.m. 16.1 ppb (15) 5.6 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 15.0
 
Jan. 12, 2019, 6 p.m. 17.3 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 16.0
 
Jan. 12, 2019, 5 p.m. 18.6 ppb (17) 6.2 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 17.0
 
Jan. 12, 2019, 4 p.m. 23.7 ppb (22) 7.8 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A N/A 22.0
 
Jan. 12, 2019, 3 p.m. 21.3 ppb (20) 6.3 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
Jan. 12, 2019, 2 p.m. 25.7 ppb (24) 7.6 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 24.0
 
Jan. 12, 2019, 1 p.m. 30.9 ppb (29) 8.1 ppb (8) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 29.0
 
Jan. 12, 2019, noon 33.2 ppb (31) 8.0 ppb (7) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 31.0
 
Jan. 12, 2019, 11 a.m. 35.3 ppb (33) 8.2 ppb (8) N/A 27.0 ppb (25) N/A N/A N/A 0.6 ppb (7) N/A N/A 33.0
 
Jan. 12, 2019, 10 a.m. 32.7 ppb (30) 6.7 ppb (6) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 30.0
 
Jan. 12, 2019, 9 a.m. 31.5 ppb (29) 5.3 ppb (5) N/A 26.0 ppb (24) N/A N/A N/A 0.6 ppb (7) N/A N/A 29.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) N/A N/A 8.0
 
Jan. 12, 2019, 7 a.m. 27.0 ppb (25) 3.2 ppb (3) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 25.0
 
Jan. 12, 2019, 6 a.m. 22.2 ppb (21) 2.3 ppb (2) N/A 20.0 ppb (19) N/A N/A N/A N/A N/A N/A 21.0
 
Jan. 12, 2019, 5 a.m. 27.0 ppb (25) 4.5 ppb (4) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 25.0
 
Jan. 12, 2019, 4 a.m. 30.3 ppb (28) 5.2 ppb (5) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 28.0
 
Jan. 12, 2019, 3 a.m. 36.5 ppb (34) 8.1 ppb (8) N/A 28.0 ppb (26) N/A N/A N/A 0.6 ppb (7) N/A N/A 34.0
 
Jan. 12, 2019, 2 a.m. 43.5 ppb (40) 11.9 ppb (11) N/A 32.0 ppb (30) N/A N/A N/A 0.7 ppb (8) N/A N/A 40.0
 
Jan. 12, 2019, 1 a.m. 39.6 ppb (37) 8.9 ppb (8) N/A 31.0 ppb (29) N/A N/A N/A 0.6 ppb (7) N/A N/A 37.0
 
Jan. 12, 2019, midnight 33.8 ppb (31) 6.7 ppb (6) N/A 27.0 ppb (25) N/A N/A N/A 0.6 ppb (7) N/A N/A 31.0
 
Jan. 11, 2019, 11 p.m. 29.1 ppb (27) 6.2 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A 0.5 ppb (6) N/A N/A 27.0
 
Jan. 11, 2019, 10 p.m. 20.1 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
Jan. 11, 2019, 9 p.m. 35.0 ppb (32) 9.3 ppb (9) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) N/A N/A 32.0
 
Jan. 11, 2019, 8 p.m. 35.2 ppb (33) 11.8 ppb (11) N/A 23.0 ppb (21) N/A N/A N/A 0.5 ppb (6) N/A N/A 33.0
 
Jan. 11, 2019, 7 p.m. 26.7 ppb (25) 8.0 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 25.0
 
Jan. 11, 2019, 6 p.m. 23.8 ppb (22) 8.3 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
Jan. 11, 2019, 5 p.m. 26.7 ppb (25) 10.4 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
Jan. 11, 2019, 4 p.m. 19.0 ppb (18) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
Jan. 11, 2019, 3 p.m. 16.5 ppb (15) 3.7 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 15.0
 
Jan. 11, 2019, 2 p.m. 41.8 ppb (39) 17.5 ppb (16) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 39.0
 
Jan. 11, 2019, 1 p.m. 27.0 ppb (25) 3.0 ppb (3) N/A 24.0 ppb (22) N/A N/A N/A 0.6 ppb (7) N/A N/A 25.0
 
Jan. 11, 2019, noon 26.0 ppb (24) 2.2 ppb (2) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) N/A N/A 24.0
 
Jan. 11, 2019, 11 a.m. 20.7 ppb (19) 0.6 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 19.0
 
Jan. 11, 2019, 10 a.m. 14.3 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A N/A 13.0
 
Jan. 11, 2019, 9 a.m. 9.6 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 9.0
 
Jan. 11, 2019, 8 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
 
Jan. 11, 2019, 7 a.m. 7.1 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 7.0
 
Jan. 11, 2019, 6 a.m. 9.4 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
Jan. 11, 2019, 5 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 6.0
 
Jan. 11, 2019, 4 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A N/A 5.0
 
Jan. 11, 2019, 3 a.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 11, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 11, 2019, 1 a.m. 7.9 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 7.0
 
Jan. 11, 2019, midnight 9.0 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 8.0
 
Jan. 10, 2019, 11 p.m. 6.7 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 6.0
 
Jan. 10, 2019, 10 p.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A N/A 5.0
 
Jan. 10, 2019, 9 p.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
Jan. 10, 2019, 8 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 7 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 6 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 5 p.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 4 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 3 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 2 p.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 1 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, noon 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A N/A 4.0
 
Jan. 10, 2019, 11 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 10 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 9 a.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 8 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
 
Jan. 10, 2019, 7 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 6 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A N/A N/A N/A 1.0
 
Jan. 10, 2019, 5 a.m. 1.1 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 4 a.m. 1.2 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 3 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 2 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, 1 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 10, 2019, midnight 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 11 p.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 10 p.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 9 p.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 8 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 7 p.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 6 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 5 p.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 4 p.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 3 p.m. 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 2 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 1 p.m. 3.8 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A N/A 4.0
 
Jan. 9, 2019, noon 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0
 
Jan. 9, 2019, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 10 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 9 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 3.0
 
Jan. 9, 2019, 8 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