AQSQID: 060372005

Site Name: Pasadena

Location: Rosemead (Ramona St), CA

Reporting: True, Located: True

Current AQI: 18.0

Rosemead (Ramona St) CA, US: 34.0833, -118.1081

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 5 p.m. 10.7 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Jan. 19, 2019, 4 p.m. 42.7 ppb (40) 22.8 ppb (21) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.55 ppb (6) N/A N/A 40.0
 
Jan. 19, 2019, 3 p.m. 55.9 ppb (52) 33.4 ppb (31) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.59 ppb (7) N/A N/A 52.0
 
Jan. 19, 2019, 2 p.m. 29.0 ppb (27) 7.9 ppb (7) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.36 ppb (4) N/A N/A 27.0
 
Jan. 19, 2019, 1 p.m. 26.0 ppb (24) 6.3 ppb (6) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A N/A 24.0
 
Jan. 19, 2019, noon 23.3 ppb (22) 4.5 ppb (4) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.35 ppb (4) N/A N/A 22.0
 
Jan. 19, 2019, 11 a.m. 25.9 ppb (24) 7.4 ppb (7) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.42 ppb (5) N/A N/A 24.0
 
Jan. 19, 2019, 10 a.m. 36.1 ppb (33) 18.5 ppb (17) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.53 ppb (6) N/A N/A 33.0
 
Jan. 19, 2019, 9 a.m. 26.3 ppb (24) 9.4 ppb (9) N/A 17.0 ppb (16) N/A N/A 2.0 ppb (2) 0.48 ppb (5) N/A N/A 24.0
 
Jan. 19, 2019, 8 a.m. 18.8 ppb (17) 2.0 ppb (2) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.39 ppb (4) N/A N/A 17.0
 
Jan. 19, 2019, 7 a.m. 14.2 ppb (13) -0.1 ppb (0) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A N/A 13.0
 
Jan. 19, 2019, 6 a.m. 26.1 ppb (24) 7.3 ppb (7) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.53 ppb (6) N/A N/A 24.0
 
Jan. 19, 2019, 5 a.m. 49.0 ppb (45) 28.6 ppb (26) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.9 ppb (10) N/A N/A 45.0
 
Jan. 19, 2019, 4 a.m. 34.3 ppb (32) 13.0 ppb (12) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.74 ppb (8) N/A N/A 32.0
 
Jan. 19, 2019, 3 a.m. 23.3 ppb (22) 1.4 ppb (1) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) 0.57 ppb (6) N/A N/A 22.0
 
Jan. 19, 2019, 2 a.m. 17.2 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A N/A 14.0 ppb (11) 0.44 ppb (5) N/A N/A 16.0
 
Jan. 19, 2019, 1 a.m. 16.7 ppb (15) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A N/A 15.0
 
Jan. 19, 2019, midnight 10.3 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.26 ppb (3) N/A N/A 22.0
 
Jan. 18, 2019, 11 p.m. 9.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.25 ppb (3) N/A N/A 24.0
 
Jan. 18, 2019, 10 p.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.24 ppb (3) N/A N/A 25.0
 
Jan. 18, 2019, 9 p.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.22 ppb (2) N/A N/A 27.0
 
Jan. 18, 2019, 8 p.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
Jan. 18, 2019, 7 p.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A N/A 26.0
 
Jan. 18, 2019, 6 p.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.22 ppb (2) N/A N/A 21.0
 
Jan. 18, 2019, 5 p.m. 12.6 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.38 ppb (4) N/A N/A 12.0
 
Jan. 18, 2019, 4 p.m. 29.0 ppb (27) 12.9 ppb (12) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 0.54 ppb (6) N/A N/A 27.0
 
Jan. 18, 2019, 3 p.m. 37.0 ppb (34) 17.6 ppb (16) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.54 ppb (6) N/A N/A 34.0
 
Jan. 18, 2019, 2 p.m. 26.7 ppb (25) 7.3 ppb (7) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.39 ppb (4) N/A N/A 25.0
 
Jan. 18, 2019, 1 p.m. 21.7 ppb (20) 4.5 ppb (4) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.38 ppb (4) N/A N/A 20.0
 
Jan. 18, 2019, noon 20.3 ppb (19) 4.2 ppb (4) N/A 16.0 ppb (15) N/A N/A 3.0 ppb (2) 0.33 ppb (4) N/A N/A 19.0
 
Jan. 18, 2019, 11 a.m. 17.6 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) 0.33 ppb (4) N/A N/A 16.0
 
Jan. 18, 2019, 10 a.m. 20.0 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 4.0 ppb (3) 0.37 ppb (4) N/A N/A 19.0
 
Jan. 18, 2019, 9 a.m. 20.4 ppb (19) 0.8 ppb (1) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.42 ppb (5) N/A N/A 19.0
 
Jan. 18, 2019, 8 a.m. 21.2 ppb (20) 3.7 ppb (3) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.43 ppb (5) N/A N/A 20.0
 
Jan. 18, 2019, 7 a.m. 14.8 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A N/A 14.0
 
Jan. 18, 2019, 6 a.m. 15.7 ppb (15) 0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.43 ppb (5) N/A N/A 15.0
 
Jan. 18, 2019, 5 a.m. 15.3 ppb (14) 0.1 ppb (0) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A N/A 14.0
 
Jan. 18, 2019, 4 a.m. 10.3 ppb (10) -0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A N/A 14.0
 
Jan. 18, 2019, 3 a.m. 8.2 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A N/A 15.0
 
Jan. 18, 2019, 2 a.m. 9.8 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A N/A 12.0
 
Jan. 18, 2019, 1 a.m. 9.8 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A N/A 15.0
 
Jan. 18, 2019, midnight 6.5 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A N/A 17.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 7 p.m. 6.3 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 17, 2019, 6 p.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 17, 2019, 5 p.m. 6.7 ppb (6) -0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 17, 2019, 4 p.m. 11.5 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 17, 2019, 3 p.m. 7.1 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 17, 2019, 2 p.m. 4.1 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.12 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 1 p.m. 3.4 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
Jan. 17, 2019, noon 3.0 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.12 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 11 a.m. 4.0 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 17, 2019, 10 a.m. 3.8 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 17, 2019, 9 a.m. 5.2 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.11 ppb (1) N/A N/A 17.0
 
Jan. 17, 2019, 8 a.m. 7.3 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.11 ppb (1) N/A N/A 15.0
 
Jan. 17, 2019, 7 a.m. 6.6 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 17, 2019, 6 a.m. 5.6 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 17, 2019, 5 a.m. 5.8 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.09 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 4 a.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.09 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 3 a.m. 5.7 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.09 ppb (1) N/A N/A 22.0
 
Jan. 17, 2019, 2 a.m. 7.5 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.11 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 1 a.m. 10.1 ppb (9) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.15 ppb (2) N/A N/A 19.0
 
Jan. 17, 2019, midnight 7.9 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.11 ppb (1) N/A N/A 21.0
 
Jan. 16, 2019, 11 p.m. 8.4 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.11 ppb (1) N/A N/A 20.0
 
Jan. 16, 2019, 10 p.m. 10.4 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.12 ppb (1) N/A N/A 19.0
 
Jan. 16, 2019, 9 p.m. 10.8 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.14 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 8 p.m. 8.7 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.13 ppb (1) N/A N/A 20.0
 
Jan. 16, 2019, 7 p.m. 13.8 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.17 ppb (2) N/A N/A 15.0
 
Jan. 16, 2019, 6 p.m. 14.3 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 16, 2019, 5 p.m. 20.6 ppb (19) 3.9 ppb (4) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A N/A 19.0
 
Jan. 16, 2019, 4 p.m. 18.9 ppb (18) 2.4 ppb (2) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.31 ppb (3) N/A N/A 18.0
 
Jan. 16, 2019, 3 p.m. 12.4 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A N/A 11.0
 
Jan. 16, 2019, 2 p.m. 6.5 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 1 p.m. 4.6 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 16, 2019, noon 5.5 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 16, 2019, 11 a.m. 3.7 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 16, 2019, 10 a.m. 4.1 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.17 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 9 a.m. 1.8 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A N/A 24.0
 
Jan. 16, 2019, 8 a.m. 3.2 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A N/A 24.0
 
Jan. 16, 2019, 7 a.m. 4.5 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
Jan. 16, 2019, 6 a.m. 3.7 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A N/A 24.0
 
Jan. 16, 2019, 5 a.m. 3.1 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A N/A 26.0
 
Jan. 16, 2019, 4 a.m. 3.3 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.15 ppb (2) N/A N/A 26.0
 
Jan. 16, 2019, 3 a.m. 5.3 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Jan. 16, 2019, 2 a.m. 2.9 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
Jan. 16, 2019, 1 a.m. 5.8 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A N/A 25.0
 
Jan. 16, 2019, midnight 5.2 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
Jan. 15, 2019, 11 p.m. 8.0 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A N/A 23.0
 
Jan. 15, 2019, 10 p.m. 6.0 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
Jan. 15, 2019, 9 p.m. 7.8 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.13 ppb (1) N/A N/A 21.0
 
Jan. 15, 2019, 8 p.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.12 ppb (1) N/A N/A 19.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 15, 2019, 6 p.m. 29.3 ppb (27) 9.3 ppb (9) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.38 ppb (4) N/A N/A 27.0
 
Jan. 15, 2019, 5 p.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Jan. 15, 2019, 4 p.m. 8.3 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.25 ppb (3) N/A N/A 19.0
 
Jan. 15, 2019, 3 p.m. 9.3 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
Jan. 15, 2019, 2 p.m. 7.8 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.18 ppb (2) N/A N/A 15.0
 
Jan. 15, 2019, 1 p.m. 8.7 ppb (8) -0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.16 ppb (2) N/A N/A 12.0
 
Jan. 15, 2019, noon 9.6 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.16 ppb (2) N/A N/A 11.0
 
Jan. 15, 2019, 11 a.m. 5.9 ppb (5) -0.6 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.14 ppb (2) N/A N/A 14.0
 
Jan. 15, 2019, 10 a.m. 4.2 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A N/A 17.0
 
Jan. 15, 2019, 9 a.m. 6.1 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.13 ppb (1) N/A N/A 17.0
 
Jan. 15, 2019, 8 a.m. 12.8 ppb (12) -0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A N/A 13.0
 
Jan. 15, 2019, 7 a.m. 14.6 ppb (14) -0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.21 ppb (2) N/A N/A 14.0
 
Jan. 15, 2019, 6 a.m. 14.6 ppb (14) -0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A N/A 14.0
 
Jan. 15, 2019, 5 a.m. 7.7 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A N/A 16.0
 
Jan. 15, 2019, 4 a.m. 4.9 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.13 ppb (1) N/A N/A 22.0
 
Jan. 15, 2019, 3 a.m. 4.0 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
Jan. 15, 2019, 2 a.m. 4.4 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 1 a.m. 7.1 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A N/A 22.0
 
Jan. 15, 2019, midnight 4.3 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
Jan. 14, 2019, 11 p.m. 6.0 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.16 ppb (2) N/A N/A 24.0
 
Jan. 14, 2019, 10 p.m. 11.1 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 14, 2019, 9 p.m. 10.9 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.23 ppb (3) N/A N/A 21.0
 
Jan. 14, 2019, 8 p.m. 10.9 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.21 ppb (2) N/A N/A 22.0
 
Jan. 14, 2019, 7 p.m. 16.2 ppb (15) 0.6 ppb (1) N/A 16.0 ppb (15) N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A N/A 17.0
 
Jan. 14, 2019, 6 p.m. 2.6 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A N/A 28.0
 
Jan. 14, 2019, 5 p.m. 3.9 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) 0.18 ppb (2) N/A N/A 28.0
 
Jan. 14, 2019, 4 p.m. 16.8 ppb (16) -0.1 ppb (0) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A N/A 16.0
 
Jan. 14, 2019, 3 p.m. 14.8 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A N/A 17.0
 
Jan. 14, 2019, 2 p.m. 7.7 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
Jan. 14, 2019, 1 p.m. 5.6 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A N/A 25.0
 
Jan. 14, 2019, noon 3.6 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.16 ppb (2) N/A N/A 26.0
 
Jan. 14, 2019, 11 a.m. 2.4 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
Jan. 14, 2019, 10 a.m. 2.3 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
Jan. 14, 2019, 9 a.m. 3.0 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.12 ppb (1) N/A N/A 27.0
 
Jan. 14, 2019, 8 a.m. 5.5 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.15 ppb (2) N/A N/A 24.0
 
Jan. 14, 2019, 7 a.m. 13.9 ppb (13) -0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.31 ppb (3) N/A N/A 13.0
 
Jan. 14, 2019, 6 a.m. 22.8 ppb (21) 0.0 ppb (0) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.45 ppb (5) N/A N/A 21.0
 
Jan. 14, 2019, 5 a.m. 23.3 ppb (22) -0.3 ppb (0) N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) 0.43 ppb (5) N/A N/A 22.0
 
Jan. 14, 2019, 4 a.m. 28.3 ppb (26) 1.9 ppb (2) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) 0.47 ppb (5) N/A N/A 26.0
 
Jan. 14, 2019, 3 a.m. 28.6 ppb (26) 1.7 ppb (2) N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) 0.42 ppb (5) N/A N/A 26.0
 
Jan. 14, 2019, 2 a.m. 25.8 ppb (24) 0.5 ppb (0) N/A 25.0 ppb (23) N/A N/A 14.0 ppb (11) 0.41 ppb (5) N/A N/A 24.0
 
Jan. 14, 2019, 1 a.m. 14.4 ppb (13) -0.4 ppb (0) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A N/A 22.0
 
Jan. 14, 2019, midnight 11.5 ppb (11) -0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A N/A 23.0
 
Jan. 13, 2019, 11 p.m. 8.7 ppb (8) -0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.15 ppb (2) N/A N/A 23.0
 
Jan. 13, 2019, 10 p.m. 7.4 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Jan. 13, 2019, 9 p.m. 7.6 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.12 ppb (1) N/A N/A 26.0
 
Jan. 13, 2019, 8 p.m. 6.6 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.12 ppb (1) N/A N/A 26.0
 
Jan. 13, 2019, 7 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Jan. 13, 2019, 6 p.m. 6.8 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A N/A 24.0
 
Jan. 13, 2019, 5 p.m. 13.4 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A N/A 18.0
 
Jan. 13, 2019, 5 a.m. 41.5 ppb (38) 12.1 ppb (11) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 0.65 ppb (7) N/A N/A 38.0
 
Jan. 13, 2019, 4 a.m. 40.6 ppb (38) 12.9 ppb (12) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.7 ppb (8) N/A N/A 38.0
 
Jan. 13, 2019, 3 a.m. 19.7 ppb (18) 0.7 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A N/A 18.0
 
Jan. 13, 2019, 2 a.m. 12.1 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A N/A 16.0
 
Jan. 13, 2019, 1 a.m. 9.0 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.18 ppb (2) N/A N/A 18.0
 
Jan. 13, 2019, midnight 6.4 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.09 ppb (1) N/A N/A 25.0
 
Jan. 12, 2019, 11 p.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.06 ppb (1) N/A N/A 31.0
 
Jan. 12, 2019, 10 p.m. 3.1 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.04 ppb (0) N/A N/A 32.0
 
Jan. 12, 2019, 9 p.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.06 ppb (1) N/A N/A 32.0
 
Jan. 12, 2019, 8 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 7 p.m. 11.6 ppb (11) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Jan. 12, 2019, 6 p.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, 5 p.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 4 p.m. 4.8 ppb (4) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 3 p.m. 6.6 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, 2 p.m. 6.2 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, 1 p.m. 3.3 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
Jan. 12, 2019, noon 3.5 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
Jan. 12, 2019, 11 a.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 10 a.m. 10.9 ppb (10) -0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.29 ppb (3) N/A N/A 18.0
 
Jan. 12, 2019, 9 a.m. 29.5 ppb (27) 0.5 ppb (0) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) 0.49 ppb (5) N/A N/A 27.0
 
Jan. 12, 2019, 8 a.m. 31.3 ppb (29) 2.9 ppb (3) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.5 ppb (6) N/A N/A 29.0
 
Jan. 12, 2019, 7 a.m. 37.1 ppb (34) 7.8 ppb (7) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.56 ppb (6) N/A N/A 34.0