AQSQID: 060371302

Site Name: Compton

Location: Compton, CA

Reporting: True, Located: True

Current AQI: 19.0

Compton CA, US: 33.9014, -118.205

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 8 a.m. 9.2 ppb (9) -0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.18 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 7 a.m. 10.9 ppb (10) -0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 6 a.m. 12.5 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A N/A 17.0
 
Jan. 16, 2019, 5 a.m. 11.2 ppb (10) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A N/A 19.0
 
Jan. 16, 2019, 4 a.m. 11.9 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.22 ppb (2) N/A N/A 20.0
 
Jan. 16, 2019, 3 a.m. 11.6 ppb (11) -0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) 0.21 ppb (2) N/A N/A 21.0
 
Jan. 16, 2019, 2 a.m. 16.1 ppb (15) -0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Jan. 16, 2019, 1 a.m. 15.7 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Jan. 16, 2019, midnight 30.3 ppb (28) 1.6 ppb (1) N/A 29.0 ppb (27) N/A N/A 13.0 ppb (10) 0.4 ppb (4) N/A N/A 28.0
 
Jan. 15, 2019, 11 p.m. 25.3 ppb (23) 1.7 ppb (2) N/A 24.0 ppb (22) N/A N/A 17.0 ppb (13) 0.41 ppb (5) N/A N/A 23.0
 
Jan. 15, 2019, 10 p.m. 14.5 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A N/A 22.0
 
Jan. 15, 2019, 9 p.m. 7.3 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
Jan. 15, 2019, 8 p.m. 8.0 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A N/A 26.0
 
Jan. 15, 2019, 7 p.m. 10.6 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A N/A 23.0
 
Jan. 15, 2019, 6 p.m. 22.6 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A N/A 21.0
 
Jan. 15, 2019, 5 p.m. 33.0 ppb (31) 8.2 ppb (8) N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) 0.42 ppb (5) N/A N/A 31.0
 
Jan. 15, 2019, 4 p.m. 40.4 ppb (37) 12.2 ppb (11) N/A 28.0 ppb (26) N/A N/A 7.0 ppb (5) 0.58 ppb (6) N/A N/A 37.0
 
Jan. 15, 2019, 3 p.m. 62.9 ppb (59) 33.9 ppb (31) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.78 ppb (9) N/A N/A 59.0
 
Jan. 15, 2019, 2 p.m. 67.8 ppb (65) 41.6 ppb (39) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.01 ppb (11) N/A N/A 65.0
 
Jan. 15, 2019, 1 p.m. 63.4 ppb (60) 41.1 ppb (38) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.82 ppb (9) N/A N/A 60.0
 
Jan. 15, 2019, noon 57.0 ppb (53) 38.6 ppb (36) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A N/A 53.0
 
Jan. 15, 2019, 11 a.m. 59.7 ppb (56) 37.6 ppb (35) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 56.0
 
Jan. 15, 2019, 10 a.m. 63.5 ppb (60) 42.4 ppb (39) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A N/A 60.0
 
Jan. 15, 2019, 9 a.m. 52.5 ppb (49) 31.1 ppb (29) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 49.0
 
Jan. 15, 2019, 8 a.m. 55.3 ppb (51) 30.1 ppb (28) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A N/A 51.0
 
Jan. 15, 2019, 7 a.m. 48.3 ppb (45) 22.4 ppb (21) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.63 ppb (7) N/A N/A 45.0
 
Jan. 15, 2019, 6 a.m. 34.8 ppb (32) 8.6 ppb (8) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.52 ppb (6) N/A N/A 32.0
 
Jan. 15, 2019, 5 a.m. 29.1 ppb (27) 3.1 ppb (3) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.41 ppb (5) N/A N/A 27.0
 
Jan. 15, 2019, 4 a.m. 24.6 ppb (23) 1.8 ppb (2) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.39 ppb (4) N/A N/A 23.0
 
Jan. 15, 2019, 3 a.m. 33.3 ppb (31) 4.8 ppb (4) N/A 28.0 ppb (26) N/A N/A 4.0 ppb (3) 0.47 ppb (5) N/A N/A 31.0
 
Jan. 15, 2019, 2 a.m. 26.8 ppb (25) 1.0 ppb (1) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.4 ppb (4) N/A N/A 25.0
 
Jan. 15, 2019, 1 a.m. 23.3 ppb (22) 0.7 ppb (1) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A N/A 22.0
 
Jan. 15, 2019, midnight 26.2 ppb (24) 1.5 ppb (1) N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.35 ppb (4) N/A N/A 24.0
 
Jan. 14, 2019, 11 p.m. 20.1 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.28 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, 10 p.m. 18.6 ppb (17) 2.2 ppb (2) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A N/A 17.0
 
Jan. 14, 2019, 9 p.m. 20.3 ppb (19) 2.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 19.0 ppb (15) 0.29 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, 8 p.m. 20.3 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, 7 p.m. 15.8 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A N/A 18.0
 
Jan. 14, 2019, 6 p.m. 24.5 ppb (23) 3.1 ppb (3) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A N/A 23.0
 
Jan. 14, 2019, 5 p.m. 23.6 ppb (22) 3.3 ppb (3) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A N/A 22.0
 
Jan. 14, 2019, 4 p.m. 37.3 ppb (35) 6.7 ppb (6) N/A 30.0 ppb (28) N/A N/A 6.0 ppb (5) 0.53 ppb (6) N/A N/A 35.0
 
Jan. 14, 2019, 3 p.m. 37.9 ppb (35) 6.6 ppb (6) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.59 ppb (7) N/A N/A 35.0
 
Jan. 14, 2019, 2 p.m. 16.1 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.26 ppb (3) N/A N/A 16.0
 
Jan. 14, 2019, 1 p.m. 15.8 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A N/A 21.0 ppb (16) 0.29 ppb (3) N/A N/A 16.0
 
Jan. 14, 2019, noon 7.5 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A N/A 21.0
 
Jan. 14, 2019, 11 a.m. 20.7 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A N/A 19.0
 
Jan. 14, 2019, 10 a.m. 23.3 ppb (22) 1.9 ppb (2) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.38 ppb (4) N/A N/A 22.0
 
Jan. 14, 2019, 9 a.m. 26.7 ppb (25) 2.8 ppb (3) N/A 24.0 ppb (22) N/A N/A 4.0 ppb (3) 0.48 ppb (5) N/A N/A 25.0
 
Jan. 14, 2019, 8 a.m. 28.1 ppb (26) 3.5 ppb (3) N/A 25.0 ppb (23) N/A N/A 3.0 ppb (2) 0.6 ppb (7) N/A N/A 26.0
 
Jan. 14, 2019, 7 a.m. 57.1 ppb (53) 27.5 ppb (25) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.01 ppb (11) N/A N/A 53.0
 
Jan. 14, 2019, 6 a.m. 91.1 ppb (89) 63.3 ppb (60) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.66 ppb (18) N/A N/A 89.0
 
Jan. 14, 2019, 5 a.m. 119.9 ppb (104) 93.5 ppb (92) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 2.25 ppb (25) N/A N/A 104.0
 
Jan. 14, 2019, 4 a.m. 85.5 ppb (84) 54.5 ppb (51) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 1.7 ppb (19) N/A N/A 84.0
 
Jan. 14, 2019, 3 a.m. 60.5 ppb (57) 26.3 ppb (24) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 1.24 ppb (14) N/A N/A 57.0
 
Jan. 14, 2019, 2 a.m. 37.8 ppb (35) 4.0 ppb (4) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.83 ppb (9) N/A N/A 35.0
 
Jan. 14, 2019, 1 a.m. 22.7 ppb (21) 0.7 ppb (1) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.59 ppb (7) N/A N/A 21.0
 
Jan. 14, 2019, midnight 9.7 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) 0.33 ppb (4) N/A N/A 25.0
 
Jan. 13, 2019, 11 p.m. 4.8 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.18 ppb (2) N/A N/A 30.0
 
Jan. 13, 2019, 10 p.m. 6.8 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.19 ppb (2) N/A N/A 32.0
 
Jan. 13, 2019, 9 p.m. 7.7 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.21 ppb (2) N/A N/A 28.0
 
Jan. 13, 2019, 8 p.m. 10.3 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.26 ppb (3) N/A N/A 26.0
 
Jan. 13, 2019, 7 p.m. 12.7 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.29 ppb (3) N/A N/A 24.0
 
Jan. 13, 2019, 6 p.m. 18.8 ppb (17) 5.4 ppb (5) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A N/A 17.0
 
Jan. 13, 2019, 5 p.m. 36.5 ppb (34) 16.5 ppb (15) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.55 ppb (6) N/A N/A 34.0
 
Jan. 13, 2019, 5 a.m. 84.7 ppb (83) 60.0 ppb (56) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 1.72 ppb (19) N/A N/A 83.0
 
Jan. 13, 2019, 4 a.m. 73.9 ppb (71) 47.3 ppb (44) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.5 ppb (17) N/A N/A 71.0
 
Jan. 13, 2019, 3 a.m. 59.5 ppb (56) 29.6 ppb (27) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.32 ppb (15) N/A N/A 56.0
 
Jan. 13, 2019, 2 a.m. 37.8 ppb (35) 9.0 ppb (8) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 0.88 ppb (10) N/A N/A 35.0
 
Jan. 13, 2019, 1 a.m. 21.1 ppb (20) 0.2 ppb (0) N/A 21.0 ppb (19) N/A N/A 17.0 ppb (13) 0.47 ppb (5) N/A N/A 20.0
 
Jan. 13, 2019, midnight 14.2 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 28.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
Jan. 12, 2019, 11 p.m. 12.5 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.26 ppb (3) N/A N/A 22.0
 
Jan. 12, 2019, 10 p.m. 11.4 ppb (11) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A N/A 22.0
 
Jan. 12, 2019, 9 p.m. 7.8 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
Jan. 12, 2019, 8 p.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.21 ppb (2) N/A N/A 24.0
 
Jan. 12, 2019, 7 p.m. 12.6 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A N/A 20.0
 
Jan. 12, 2019, 6 p.m. 21.3 ppb (20) 3.1 ppb (3) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) 0.36 ppb (4) N/A N/A 20.0
 
Jan. 12, 2019, 5 p.m. 15.7 ppb (15) 1.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.33 ppb (4) N/A N/A 15.0
 
Jan. 12, 2019, 4 p.m. 12.3 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A N/A 18.0
 
Jan. 12, 2019, 3 p.m. 11.8 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.23 ppb (3) N/A N/A 17.0
 
Jan. 12, 2019, 2 p.m. 20.1 ppb (19) 0.2 ppb (0) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) 0.31 ppb (3) N/A N/A 19.0
 
Jan. 12, 2019, 1 p.m. 6.4 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, noon 8.1 ppb (8) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.17 ppb (2) N/A N/A 23.0
 
Jan. 12, 2019, 11 a.m. 6.5 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Jan. 12, 2019, 10 a.m. 4.5 ppb (4) -0.5 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, 9 a.m. 13.2 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.38 ppb (4) N/A N/A 14.0
 
Jan. 12, 2019, 8 a.m. 18.4 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (11) 0.47 ppb (5) N/A N/A 17.0
 
Jan. 12, 2019, 7 a.m. 39.0 ppb (36) 7.4 ppb (7) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.69 ppb (8) N/A N/A 36.0
 
Jan. 12, 2019, 6 a.m. 36.6 ppb (34) 5.5 ppb (5) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.61 ppb (7) N/A N/A 34.0
 
Jan. 12, 2019, 5 a.m. 36.9 ppb (34) 5.1 ppb (5) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.62 ppb (7) N/A N/A 34.0
 
Jan. 12, 2019, 4 a.m. 50.6 ppb (47) 17.6 ppb (16) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.84 ppb (9) N/A N/A 47.0
 
Jan. 12, 2019, 3 a.m. 34.1 ppb (32) 4.5 ppb (4) N/A 30.0 ppb (28) N/A N/A 4.0 ppb (3) 0.8 ppb (9) N/A N/A 32.0
 
Jan. 12, 2019, 2 a.m. 22.5 ppb (21) 1.2 ppb (1) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.5 ppb (6) N/A N/A 21.0
 
Jan. 12, 2019, 1 a.m. 13.2 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A N/A 19.0
 
Jan. 12, 2019, midnight 11.6 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.3 ppb (3) N/A N/A 24.0
 
Jan. 11, 2019, 11 p.m. 11.9 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 35.0 ppb (27) 0.29 ppb (3) N/A N/A 27.0
 
Jan. 11, 2019, 10 p.m. 7.7 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) 0.24 ppb (3) N/A N/A 31.0
 
Jan. 11, 2019, 9 p.m. 16.5 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.36 ppb (4) N/A N/A 23.0
 
Jan. 11, 2019, 8 p.m. 34.1 ppb (32) 13.5 ppb (12) N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.53 ppb (6) N/A N/A 32.0
 
Jan. 11, 2019, 7 p.m. 26.7 ppb (25) 9.9 ppb (9) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.47 ppb (5) N/A N/A 25.0
 
Jan. 11, 2019, 6 p.m. 25.9 ppb (24) 8.3 ppb (8) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (7) 0.44 ppb (5) N/A N/A 24.0
 
Jan. 11, 2019, 5 p.m. 35.8 ppb (33) 14.8 ppb (14) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.51 ppb (6) N/A N/A 33.0
 
Jan. 11, 2019, 4 p.m. 67.9 ppb (65) 42.0 ppb (39) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.82 ppb (9) N/A N/A 65.0
 
Jan. 11, 2019, 3 p.m. 64.4 ppb (61) 38.6 ppb (36) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.83 ppb (9) N/A N/A 61.0
 
Jan. 11, 2019, 2 p.m. 50.1 ppb (46) 24.9 ppb (23) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.68 ppb (8) N/A N/A 46.0
 
Jan. 11, 2019, 1 p.m. 36.8 ppb (34) 11.2 ppb (10) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.53 ppb (6) N/A N/A 34.0
 
Jan. 11, 2019, noon 47.3 ppb (44) 23.1 ppb (21) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A N/A 44.0
 
Jan. 11, 2019, 11 a.m. 39.4 ppb (36) 12.6 ppb (12) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.55 ppb (6) N/A N/A 36.0
 
Jan. 11, 2019, 10 a.m. 20.3 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.37 ppb (4) N/A N/A 19.0
 
Jan. 11, 2019, 9 a.m. 17.4 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.32 ppb (4) N/A N/A 16.0
 
Jan. 11, 2019, 8 a.m. 47.9 ppb (44) 20.9 ppb (19) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.69 ppb (8) N/A N/A 44.0
 
Jan. 11, 2019, 7 a.m. 90.0 ppb (88) 64.3 ppb (61) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.34 ppb (15) N/A N/A 88.0
 
Jan. 11, 2019, 6 a.m. 88.9 ppb (87) 66.4 ppb (63) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.55 ppb (17) N/A N/A 87.0
 
Jan. 11, 2019, 5 a.m. 57.6 ppb (54) 33.0 ppb (31) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 1.18 ppb (13) N/A N/A 54.0
 
Jan. 11, 2019, 4 a.m. 38.6 ppb (36) 12.9 ppb (12) N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) 0.87 ppb (10) N/A N/A 36.0
 
Jan. 11, 2019, 3 a.m. 30.5 ppb (28) 3.4 ppb (3) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.5 ppb (6) N/A N/A 28.0
 
Jan. 11, 2019, 2 a.m. 19.8 ppb (18) 0.9 ppb (1) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.4 ppb (4) N/A N/A 18.0
 
Jan. 11, 2019, 1 a.m. 10.3 ppb (10) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A N/A 21.0
 
Jan. 11, 2019, midnight 8.1 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Jan. 10, 2019, 11 p.m. 7.3 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Jan. 10, 2019, 10 p.m. 8.5 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Jan. 10, 2019, 9 p.m. 21.7 ppb (20) 6.3 ppb (6) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) 0.33 ppb (4) N/A N/A 21.0
 
Jan. 10, 2019, 8 p.m. 31.6 ppb (29) 10.9 ppb (10) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.44 ppb (5) N/A N/A 29.0
 
Jan. 10, 2019, 7 p.m. 30.0 ppb (28) 11.0 ppb (10) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A N/A 28.0
 
Jan. 10, 2019, 6 p.m. 29.6 ppb (27) 10.7 ppb (10) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.38 ppb (4) N/A N/A 27.0
 
Jan. 10, 2019, 5 p.m. 104.1 ppb (101) 71.0 ppb (68) N/A 33.0 ppb (31) N/A N/A 2.0 ppb (2) 0.98 ppb (11) N/A N/A 101.0
 
Jan. 10, 2019, 4 p.m. 145.0 ppb (108) 115.1 ppb (103) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 1.67 ppb (19) N/A N/A 108.0
 
Jan. 10, 2019, 3 p.m. 189.1 ppb (117) 166.1 ppb (113) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 2.79 ppb (31) N/A N/A 117.0
 
Jan. 10, 2019, 2 p.m. 130.8 ppb (106) 109.3 ppb (102) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 1.76 ppb (20) N/A N/A 106.0
 
Jan. 10, 2019, 1 p.m. 116.0 ppb (103) 91.7 ppb (90) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.45 ppb (16) N/A N/A 103.0
 
Jan. 10, 2019, noon 110.6 ppb (102) 87.6 ppb (86) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.27 ppb (14) N/A N/A 102.0
 
Jan. 10, 2019, 11 a.m. 99.4 ppb (98) 76.3 ppb (74) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.21 ppb (13) N/A N/A 98.0
 
Jan. 10, 2019, 10 a.m. 97.3 ppb (96) 74.9 ppb (72) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.18 ppb (13) N/A N/A 96.0
 
Jan. 10, 2019, 9 a.m. 89.3 ppb (88) 65.4 ppb (62) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A N/A 88.0
 
Jan. 10, 2019, 8 a.m. 81.0 ppb (79) 55.7 ppb (52) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 1.09 ppb (12) N/A N/A 79.0
 
Jan. 10, 2019, 7 a.m. 80.0 ppb (78) 48.6 ppb (45) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.97 ppb (11) N/A N/A 78.0
 
Jan. 10, 2019, 6 a.m. 100.9 ppb (100) 68.2 ppb (65) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A N/A 100.0
 
Jan. 10, 2019, 5 a.m. 88.4 ppb (87) 58.9 ppb (55) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.2 ppb (13) N/A N/A 87.0
 
Jan. 10, 2019, 4 a.m. 83.7 ppb (82) 53.1 ppb (49) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.21 ppb (13) N/A N/A 82.0
 
Jan. 10, 2019, 3 a.m. 63.6 ppb (60) 32.9 ppb (30) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.05 ppb (12) N/A N/A 60.0
 
Jan. 10, 2019, 2 a.m. 34.8 ppb (32) 7.1 ppb (7) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.73 ppb (8) N/A N/A 32.0
 
Jan. 10, 2019, 1 a.m. 15.9 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A N/A 15.0
 
Jan. 10, 2019, midnight 9.2 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.25 ppb (3) N/A N/A 27.0
 
Jan. 9, 2019, 11 p.m. 16.5 ppb (15) 2.4 ppb (2) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) 0.33 ppb (4) N/A N/A 23.0
 
Jan. 9, 2019, 10 p.m. 25.7 ppb (24) 5.8 ppb (5) N/A 20.0 ppb (19) N/A N/A 27.0 ppb (21) 0.44 ppb (5) N/A N/A 24.0
 
Jan. 9, 2019, 9 p.m. 28.6 ppb (26) 8.2 ppb (8) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.49 ppb (5) N/A N/A 26.0
 
Jan. 9, 2019, 8 p.m. 38.8 ppb (36) 13.1 ppb (12) N/A 26.0 ppb (24) N/A N/A 21.0 ppb (16) 0.49 ppb (5) N/A N/A 36.0
 
Jan. 9, 2019, 7 p.m. 50.5 ppb (47) 20.8 ppb (19) N/A 30.0 ppb (28) N/A N/A 16.0 ppb (12) 0.59 ppb (7) N/A N/A 47.0
 
Jan. 9, 2019, 6 p.m. 62.7 ppb (59) 31.5 ppb (29) N/A 31.0 ppb (29) N/A N/A 11.0 ppb (8) 0.72 ppb (8) N/A N/A 59.0
 
Jan. 9, 2019, 5 p.m. 100.6 ppb (100) 63.9 ppb (61) N/A 37.0 ppb (34) N/A N/A 4.0 ppb (3) 0.94 ppb (10) N/A N/A 100.0
 
Jan. 9, 2019, 4 p.m. 173.0 ppb (114) 138.0 ppb (107) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 1.6 ppb (18) N/A N/A 114.0
 
Jan. 9, 2019, 3 p.m. 257.3 ppb (130) 231.4 ppb (125) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 3.12 ppb (35) N/A N/A 130.0
 
Jan. 9, 2019, 2 p.m. 220.8 ppb (123) 200.7 ppb (119) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 2.78 ppb (31) N/A N/A 123.0
 
Jan. 9, 2019, 1 p.m. 174.9 ppb (114) 156.0 ppb (111) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 2.28 ppb (25) N/A N/A 114.0
 
Jan. 9, 2019, noon 153.4 ppb (110) 135.4 ppb (107) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 1.97 ppb (22) N/A N/A 110.0
 
Jan. 9, 2019, 11 a.m. 140.0 ppb (108) 118.7 ppb (103) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.73 ppb (19) N/A N/A 108.0
 
Jan. 9, 2019, 10 a.m. 149.5 ppb (109) 125.7 ppb (105) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 1.76 ppb (20) N/A N/A 109.0
 
Jan. 9, 2019, 9 a.m. 150.0 ppb (109) 129.7 ppb (106) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.96 ppb (22) N/A N/A 109.0
 
Jan. 9, 2019, 8 a.m. 129.0 ppb (105) 108.8 ppb (102) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 1.95 ppb (22) N/A N/A 105.0
 
Jan. 9, 2019, 7 a.m. 134.2 ppb (106) 110.4 ppb (102) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 2.15 ppb (24) N/A N/A 106.0
 
Jan. 9, 2019, 6 a.m. 129.6 ppb (106) 105.0 ppb (101) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 2.06 ppb (23) N/A N/A 106.0
 
Jan. 9, 2019, 5 a.m. 77.9 ppb (75) 50.5 ppb (47) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.51 ppb (17) N/A N/A 75.0
 
Jan. 9, 2019, 4 a.m. 53.2 ppb (49) 23.1 ppb (21) N/A 30.0 ppb (28) N/A N/A 0.0 ppb (0) 1.09 ppb (12) N/A N/A 49.0
 
Jan. 9, 2019, 3 a.m. 36.4 ppb (34) 6.2 ppb (6) N/A 30.0 ppb (28) N/A N/A 4.0 ppb (3) 0.64 ppb (7) N/A N/A 34.0
 
Jan. 9, 2019, 2 a.m. 62.1 ppb (59) 25.2 ppb (23) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.91 ppb (10) N/A N/A 59.0
 
Jan. 9, 2019, 1 a.m. 50.9 ppb (47) 12.1 ppb (11) N/A 39.0 ppb (36) N/A N/A 1.0 ppb (1) 0.65 ppb (7) N/A N/A 47.0
 
Jan. 9, 2019, midnight 35.8 ppb (33) 5.1 ppb (5) N/A 31.0 ppb (29) N/A N/A 11.0 ppb (8) 0.42 ppb (5) N/A N/A 33.0
 
Jan. 8, 2019, 11 p.m. 8.6 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.18 ppb (2) N/A N/A 27.0
 
Jan. 8, 2019, 10 p.m. 8.9 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0