AQSQID: 060371302

Site Name: Compton

Location: Compton (E Compton), CA

Reporting: True, Located: True

Current AQI: 36.0

Compton (E 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. 27, 2020, 4 a.m. 39.4 ppb (36) 4.3 ppb (4) N/A 35.0 ppb (32) N/A N/A 4.0 ppb (3) 0.73 ppb (8) N/A N/A 36.0
 
Jan. 27, 2020, 3 a.m. 48.6 ppb (45) 9.6 ppb (9) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A N/A 45.0
 
Jan. 27, 2020, 2 a.m. 36.5 ppb (34) 2.8 ppb (3) N/A 34.0 ppb (31) N/A N/A 7.0 ppb (5) 0.67 ppb (7) N/A N/A 34.0
 
Jan. 27, 2020, 1 a.m. 17.7 ppb (16) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A N/A 22.0
 
Jan. 27, 2020, midnight 13.9 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A N/A 27.0
 
Jan. 26, 2020, 11 p.m. 18.0 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.22 ppb (2) N/A N/A 26.0
 
Jan. 26, 2020, 10 p.m. 17.7 ppb (16) 1.5 ppb (1) N/A 16.0 ppb (15) N/A N/A 36.0 ppb (28) 0.25 ppb (3) N/A N/A 28.0
 
Jan. 26, 2020, 9 p.m. 12.8 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) 0.29 ppb (3) N/A N/A 28.0
 
Jan. 26, 2020, 8 p.m. 12.8 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 33.0 ppb (25) 0.31 ppb (3) N/A N/A 25.0
 
Jan. 26, 2020, 7 p.m. 11.1 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.32 ppb (4) N/A N/A 24.0
 
Jan. 26, 2020, 6 p.m. 10.5 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.27 ppb (3) N/A N/A 24.0
 
Jan. 26, 2020, 5 p.m. 10.5 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A N/A 25.0
 
Jan. 26, 2020, 4 p.m. 9.8 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.23 ppb (3) N/A N/A 24.0
 
Jan. 26, 2020, 3 p.m. 9.2 ppb (9) 0.8 ppb (1) 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. 26, 2020, 2 p.m. 9.7 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.19 ppb (2) N/A N/A 23.0
 
Jan. 26, 2020, 1 p.m. 10.1 ppb (9) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 26, 2020, noon 10.6 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 26, 2020, 11 a.m. 10.1 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A N/A 23.0
 
Jan. 26, 2020, 10 a.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A N/A 24.0
 
Jan. 26, 2020, 9 a.m. 11.8 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.16 ppb (2) N/A N/A 22.0
 
Jan. 26, 2020, 8 a.m. 11.1 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.16 ppb (2) N/A N/A 23.0
 
Jan. 26, 2020, 7 a.m. 12.1 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Jan. 26, 2020, 6 a.m. 12.2 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 26, 2020, 5 a.m. 19.5 ppb (18) 0.8 ppb (1) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A N/A 18.0
 
Jan. 26, 2020, 4 a.m. 31.2 ppb (29) 2.3 ppb (2) N/A 29.0 ppb (27) N/A N/A 11.0 ppb (8) 0.57 ppb (6) N/A N/A 29.0
 
Jan. 26, 2020, 3 a.m. 27.0 ppb (25) 1.5 ppb (1) N/A 26.0 ppb (24) N/A N/A 15.0 ppb (12) 0.51 ppb (6) N/A N/A 25.0
 
Jan. 26, 2020, 2 a.m. 18.2 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A N/A 29.0 ppb (22) 0.36 ppb (4) N/A N/A 22.0
 
Jan. 26, 2020, 1 a.m. 17.0 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 36.0 ppb (28) 0.3 ppb (3) N/A N/A 28.0
 
Jan. 26, 2020, midnight 15.9 ppb (15) 1.3 ppb (1) N/A 15.0 ppb (14) N/A N/A 39.0 ppb (30) 0.27 ppb (3) N/A N/A 30.0
 
Jan. 25, 2020, 11 p.m. 29.7 ppb (28) 5.5 ppb (5) N/A 24.0 ppb (22) N/A N/A 28.0 ppb (22) 0.34 ppb (4) N/A N/A 28.0
 
Jan. 25, 2020, 10 p.m. 32.3 ppb (30) 6.9 ppb (6) N/A 25.0 ppb (23) N/A N/A 31.0 ppb (24) 0.39 ppb (4) N/A N/A 30.0
 
Jan. 25, 2020, 9 p.m. 35.6 ppb (33) 10.1 ppb (9) N/A 26.0 ppb (24) N/A N/A 27.0 ppb (21) 0.48 ppb (5) N/A N/A 33.0
 
Jan. 25, 2020, 8 p.m. 35.8 ppb (33) 12.5 ppb (12) N/A 23.0 ppb (21) N/A N/A 23.0 ppb (18) 0.52 ppb (6) N/A N/A 33.0
 
Jan. 25, 2020, 7 p.m. 34.8 ppb (32) 14.9 ppb (14) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.53 ppb (6) N/A N/A 32.0
 
Jan. 25, 2020, 6 p.m. 35.8 ppb (33) 15.9 ppb (15) N/A 20.0 ppb (19) N/A N/A 10.0 ppb (8) 0.54 ppb (6) N/A N/A 33.0
 
Jan. 25, 2020, 5 p.m. 40.5 ppb (38) 17.4 ppb (16) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.58 ppb (6) N/A N/A 38.0
 
Jan. 25, 2020, 4 p.m. 39.5 ppb (37) 15.1 ppb (14) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.59 ppb (7) N/A N/A 37.0
 
Jan. 25, 2020, 3 p.m. 35.4 ppb (33) 10.4 ppb (10) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A N/A 33.0
 
Jan. 25, 2020, 2 p.m. 34.4 ppb (32) 8.8 ppb (8) N/A 26.0 ppb (24) N/A N/A -1.0 ppb (0) 0.52 ppb (6) N/A N/A 32.0
 
Jan. 25, 2020, 1 p.m. 25.7 ppb (24) 1.6 ppb (1) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.41 ppb (5) N/A N/A 24.0
 
Jan. 25, 2020, noon 21.7 ppb (20) 1.9 ppb (2) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (2) 0.35 ppb (4) N/A N/A 20.0
 
Jan. 25, 2020, 11 a.m. 14.4 ppb (13) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A N/A 13.0
 
Jan. 25, 2020, 10 a.m. 11.6 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.27 ppb (3) N/A N/A 11.0
 
Jan. 25, 2020, 9 a.m. 13.8 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.25 ppb (3) N/A N/A 13.0
 
Jan. 25, 2020, 8 a.m. 16.2 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.28 ppb (3) N/A N/A 15.0
 
Jan. 25, 2020, 7 a.m. 17.1 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) 0.26 ppb (3) N/A N/A 16.0
 
Jan. 25, 2020, 6 a.m. 15.6 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 12.0 ppb (9) 0.24 ppb (3) N/A N/A 14.0
 
Jan. 25, 2020, 5 a.m. 15.7 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 25, 2020, 4 a.m. 20.6 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.25 ppb (3) N/A N/A 19.0
 
Jan. 25, 2020, 3 a.m. 37.9 ppb (35) 5.5 ppb (5) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.46 ppb (5) N/A N/A 35.0
 
Jan. 25, 2020, 2 a.m. 48.1 ppb (45) 9.1 ppb (8) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.53 ppb (6) N/A N/A 45.0
 
Jan. 25, 2020, 1 a.m. 50.5 ppb (47) 9.7 ppb (9) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 47.0
 
Jan. 25, 2020, midnight 42.1 ppb (39) 9.9 ppb (9) N/A 32.0 ppb (30) N/A N/A 14.0 ppb (11) 0.34 ppb (4) N/A N/A 39.0
 
Jan. 24, 2020, 11 p.m. 66.2 ppb (63) 22.7 ppb (21) N/A 44.0 ppb (41) N/A N/A 10.0 ppb (8) 0.49 ppb (5) N/A N/A 63.0
 
Jan. 24, 2020, 10 p.m. 83.7 ppb (82) 33.8 ppb (31) N/A 50.0 ppb (46) N/A N/A 10.0 ppb (8) 0.63 ppb (7) N/A N/A 82.0
 
Jan. 24, 2020, 9 p.m. 93.9 ppb (92) 38.7 ppb (36) N/A 55.0 ppb (51) N/A N/A 10.0 ppb (8) 0.74 ppb (8) N/A N/A 92.0
 
Jan. 24, 2020, 8 p.m. 61.1 ppb (58) 24.1 ppb (22) N/A 37.0 ppb (34) N/A N/A 17.0 ppb (13) 0.61 ppb (7) N/A N/A 58.0
 
Jan. 24, 2020, 7 p.m. 65.4 ppb (62) 30.5 ppb (28) N/A 35.0 ppb (32) N/A N/A 14.0 ppb (11) 0.61 ppb (7) N/A N/A 62.0
 
Jan. 24, 2020, 6 p.m. 77.3 ppb (75) 39.3 ppb (36) N/A 38.0 ppb (35) N/A N/A 10.0 ppb (8) 0.72 ppb (8) N/A N/A 75.0
 
Jan. 24, 2020, 5 p.m. 149.1 ppb (109) 101.6 ppb (100) N/A 48.0 ppb (44) N/A N/A 2.0 ppb (2) 1.3 ppb (14) N/A N/A 109.0
 
Jan. 24, 2020, 4 p.m. 248.4 ppb (128) 205.2 ppb (120) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 2.86 ppb (32) N/A N/A 128.0
 
Jan. 24, 2020, 3 p.m. 251.6 ppb (129) 229.6 ppb (125) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 3.23 ppb (36) N/A N/A 129.0
 
Jan. 24, 2020, 2 p.m. 182.5 ppb (116) 163.1 ppb (112) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 2.25 ppb (25) N/A N/A 116.0
 
Jan. 24, 2020, 1 p.m. 157.1 ppb (111) 136.9 ppb (107) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 2.2 ppb (24) N/A N/A 111.0
 
Jan. 24, 2020, noon 141.3 ppb (108) 120.7 ppb (104) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 2.04 ppb (23) N/A N/A 108.0
 
Jan. 24, 2020, 11 a.m. 111.2 ppb (102) 94.4 ppb (93) N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 1.54 ppb (17) N/A N/A 102.0
 
Jan. 24, 2020, 10 a.m. 109.3 ppb (102) 89.6 ppb (88) N/A 20.0 ppb (19) N/A N/A -1.0 ppb (0) 1.56 ppb (17) N/A N/A 102.0
 
Jan. 24, 2020, 9 a.m. 97.1 ppb (96) 75.8 ppb (73) N/A 21.0 ppb (19) N/A N/A 0.0 ppb (0) 1.33 ppb (15) N/A N/A 96.0
 
Jan. 24, 2020, 8 a.m. 91.8 ppb (90) 68.7 ppb (66) N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 1.28 ppb (14) N/A N/A 90.0
 
Jan. 24, 2020, 7 a.m. 79.7 ppb (77) 54.6 ppb (51) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 1.16 ppb (13) N/A N/A 77.0
 
Jan. 24, 2020, 6 a.m. 76.7 ppb (74) 50.3 ppb (47) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.13 ppb (13) N/A N/A 74.0
 
Jan. 24, 2020, 5 a.m. 39.3 ppb (36) 10.7 ppb (10) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A N/A 36.0
 
Jan. 24, 2020, 4 a.m. 32.5 ppb (30) 6.1 ppb (6) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) 0.49 ppb (5) N/A N/A 30.0
 
Jan. 24, 2020, 3 a.m. 22.8 ppb (21) 2.3 ppb (2) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A N/A 21.0
 
Jan. 24, 2020, 2 a.m. 17.8 ppb (16) 1.2 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.3 ppb (3) N/A N/A 16.0
 
Jan. 24, 2020, 1 a.m. 14.4 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.23 ppb (3) N/A N/A 18.0
 
Jan. 24, 2020, midnight 16.1 ppb (15) 2.1 ppb (2) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A N/A 20.0
 
Jan. 23, 2020, 11 p.m. 16.7 ppb (15) 3.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 30.0 ppb (23) 0.23 ppb (3) N/A N/A 23.0
 
Jan. 23, 2020, 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. 23, 2020, 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. 23, 2020, 8 p.m. 22.8 ppb (21) 6.2 ppb (6) N/A 17.0 ppb (16) N/A N/A 32.0 ppb (25) 0.38 ppb (4) N/A N/A 25.0
 
Jan. 23, 2020, 7 p.m. 45.7 ppb (42) 17.3 ppb (16) N/A 28.0 ppb (26) N/A N/A 22.0 ppb (17) 0.58 ppb (6) N/A N/A 42.0
 
Jan. 23, 2020, 6 p.m. 46.9 ppb (43) 19.2 ppb (18) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) 0.65 ppb (7) N/A N/A 43.0
 
Jan. 23, 2020, 5 p.m. 56.3 ppb (52) 28.0 ppb (26) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) 0.86 ppb (10) N/A N/A 52.0
 
Jan. 23, 2020, 4 p.m. 103.6 ppb (100) 70.9 ppb (68) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 1.42 ppb (16) N/A N/A 100.0
 
Jan. 23, 2020, 3 p.m. 162.5 ppb (112) 129.2 ppb (105) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.95 ppb (22) N/A N/A 112.0
 
Jan. 23, 2020, 2 p.m. 123.7 ppb (104) 97.6 ppb (96) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.8 ppb (20) N/A N/A 104.0
 
Jan. 23, 2020, 1 p.m. 76.6 ppb (74) 55.0 ppb (51) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 1.23 ppb (14) N/A N/A 74.0
 
Jan. 23, 2020, noon 60.0 ppb (56) 37.7 ppb (35) N/A 22.0 ppb (20) N/A N/A 0.0 ppb (0) 0.87 ppb (10) N/A N/A 56.0
 
Jan. 23, 2020, 11 a.m. 55.5 ppb (52) 29.7 ppb (28) N/A 26.0 ppb (24) N/A N/A -1.0 ppb (0) 0.61 ppb (7) N/A N/A 52.0
 
Jan. 23, 2020, 10 a.m. 80.9 ppb (79) 52.7 ppb (49) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A N/A 79.0
 
Jan. 23, 2020, 9 a.m. 100.4 ppb (99) 72.5 ppb (70) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.31 ppb (15) N/A N/A 99.0
 
Jan. 23, 2020, 8 a.m. 96.9 ppb (96) 70.3 ppb (67) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.46 ppb (16) N/A N/A 96.0
 
Jan. 23, 2020, 7 a.m. 86.8 ppb (85) 59.5 ppb (56) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 1.38 ppb (15) N/A N/A 85.0
 
Jan. 23, 2020, 6 a.m. 70.9 ppb (68) 40.6 ppb (38) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.04 ppb (12) N/A N/A 68.0
 
Jan. 23, 2020, 5 a.m. 56.0 ppb (52) 23.6 ppb (22) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.97 ppb (11) N/A N/A 52.0
 
Jan. 23, 2020, 4 a.m. 40.9 ppb (38) 6.3 ppb (6) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.63 ppb (7) N/A N/A 38.0
 
Jan. 23, 2020, 3 a.m. 23.5 ppb (22) 1.3 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.4 ppb (4) N/A N/A 22.0
 
Jan. 23, 2020, 2 a.m. 18.5 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.32 ppb (4) N/A N/A 17.0
 
Jan. 23, 2020, 1 a.m. 29.9 ppb (28) 1.6 ppb (1) N/A 28.0 ppb (26) N/A N/A 16.0 ppb (12) 0.3 ppb (3) N/A N/A 28.0
 
Jan. 23, 2020, midnight 29.8 ppb (28) 3.4 ppb (3) N/A 26.0 ppb (24) N/A N/A 18.0 ppb (14) 0.23 ppb (3) N/A N/A 28.0
 
Jan. 22, 2020, 11 p.m. 22.9 ppb (21) 4.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A N/A 21.0
 
Jan. 22, 2020, 10 p.m. 28.9 ppb (27) 8.4 ppb (8) N/A 21.0 ppb (19) N/A N/A 24.0 ppb (18) 0.21 ppb (2) N/A N/A 27.0
 
Jan. 22, 2020, 9 p.m. 27.5 ppb (25) 7.8 ppb (7) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (18) 0.25 ppb (3) N/A N/A 25.0
 
Jan. 22, 2020, 8 p.m. 21.7 ppb (20) 6.7 ppb (6) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.24 ppb (3) N/A N/A 22.0
 
Jan. 22, 2020, 7 p.m. 22.7 ppb (21) 7.7 ppb (7) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A N/A 21.0
 
Jan. 22, 2020, 6 p.m. 35.2 ppb (33) 13.9 ppb (13) N/A 21.0 ppb (19) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A N/A 33.0
 
Jan. 22, 2020, 5 p.m. 67.0 ppb (64) 38.8 ppb (36) N/A 28.0 ppb (26) N/A N/A 10.0 ppb (8) 0.57 ppb (6) N/A N/A 64.0
 
Jan. 22, 2020, 4 p.m. 135.8 ppb (107) 102.2 ppb (100) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 1.29 ppb (14) N/A N/A 107.0
 
Jan. 22, 2020, 3 p.m. 189.0 ppb (117) 163.0 ppb (112) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 2.0 ppb (22) N/A N/A 117.0
 
Jan. 22, 2020, 2 p.m. 162.4 ppb (112) 138.3 ppb (107) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 1.61 ppb (18) N/A N/A 112.0
 
Jan. 22, 2020, 1 p.m. 103.0 ppb (100) 78.6 ppb (76) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 1.24 ppb (14) N/A N/A 100.0
 
Jan. 22, 2020, noon 81.3 ppb (79) 56.6 ppb (53) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.89 ppb (10) N/A N/A 79.0
 
Jan. 22, 2020, 11 a.m. 88.7 ppb (87) 60.4 ppb (57) N/A 29.0 ppb (27) N/A N/A -1.0 ppb (0) 0.8 ppb (9) N/A N/A 87.0
 
Jan. 22, 2020, 10 a.m. 95.5 ppb (94) 66.7 ppb (64) N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 1.02 ppb (11) N/A N/A 94.0
 
Jan. 22, 2020, 9 a.m. 71.8 ppb (69) 39.9 ppb (37) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A N/A 69.0
 
Jan. 22, 2020, 8 a.m. 34.1 ppb (32) 8.9 ppb (8) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 32.0
 
Jan. 22, 2020, 7 a.m. 18.3 ppb (17) 1.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A N/A 17.0
 
Jan. 22, 2020, 6 a.m. 17.5 ppb (16) 0.7 ppb (1) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A N/A 16.0
 
Jan. 22, 2020, 5 a.m. 15.3 ppb (14) 0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.23 ppb (3) N/A N/A 15.0
 
Jan. 22, 2020, 4 a.m. 11.8 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A N/A 20.0
 
Jan. 22, 2020, 3 a.m. 13.9 ppb (13) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A N/A 19.0
 
Jan. 22, 2020, 2 a.m. 10.1 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 29.0 ppb (22) 0.19 ppb (2) N/A N/A 22.0
 
Jan. 22, 2020, 1 a.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
Jan. 22, 2020, midnight 5.8 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.12 ppb (1) N/A N/A 30.0
 
Jan. 21, 2020, 11 p.m. 8.0 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.13 ppb (1) N/A N/A 30.0
 
Jan. 21, 2020, 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. 21, 2020, 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. 21, 2020, 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. 21, 2020, 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. 21, 2020, 6 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. 21, 2020, 5 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. 21, 2020, 4 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. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.43 ppb (5) N/A N/A 6.0
 
Jan. 21, 2020, 2 p.m. 31.6 ppb (29) 4.2 ppb (4) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.36 ppb (4) N/A N/A 29.0
 
Jan. 21, 2020, 1 p.m. 14.7 ppb (14) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.21 ppb (2) N/A N/A 14.0
 
Jan. 21, 2020, noon 11.0 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.15 ppb (2) N/A N/A 17.0
 
Jan. 21, 2020, 11 a.m. 14.4 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.21 ppb (2) N/A N/A 13.0
 
Jan. 21, 2020, 10 a.m. 20.2 ppb (19) 2.6 ppb (2) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) 0.35 ppb (4) N/A N/A 19.0
 
Jan. 21, 2020, 9 a.m. 18.5 ppb (17) 2.7 ppb (3) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 0.35 ppb (4) N/A N/A 17.0
 
Jan. 21, 2020, 8 a.m. 14.1 ppb (13) 2.6 ppb (2) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A N/A 14.0
 
Jan. 21, 2020, 7 a.m. 11.3 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.17 ppb (2) N/A N/A 19.0
 
Jan. 21, 2020, 6 a.m. 14.0 ppb (13) 2.3 ppb (2) 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. 21, 2020, 5 a.m. 21.3 ppb (20) 2.3 ppb (2) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) 0.35 ppb (4) N/A N/A 20.0
 
Jan. 21, 2020, 4 a.m. 24.2 ppb (22) 2.5 ppb (2) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.36 ppb (4) N/A N/A 22.0
 
Jan. 21, 2020, 3 a.m. 26.6 ppb (25) 2.4 ppb (2) N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.35 ppb (4) N/A N/A 25.0
 
Jan. 21, 2020, 2 a.m. 29.8 ppb (28) 2.6 ppb (2) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) 0.32 ppb (4) N/A N/A 28.0
 
Jan. 21, 2020, 1 a.m. 19.7 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.32 ppb (4) N/A N/A 18.0
 
Jan. 21, 2020, midnight 15.6 ppb (14) 2.6 ppb (2) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A N/A 21.0
 
Jan. 20, 2020, 11 p.m. 22.9 ppb (21) 4.4 ppb (4) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.32 ppb (4) N/A N/A 21.0
 
Jan. 20, 2020, 10 p.m. 21.4 ppb (20) 4.4 ppb (4) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.29 ppb (3) N/A N/A 20.0
 
Jan. 20, 2020, 9 p.m. 29.3 ppb (27) 8.2 ppb (8) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.39 ppb (4) N/A N/A 27.0
 
Jan. 20, 2020, 8 p.m. 38.6 ppb (36) 13.4 ppb (12) N/A 25.0 ppb (23) N/A N/A 15.0 ppb (12) 0.51 ppb (6) N/A N/A 36.0
 
Jan. 20, 2020, 7 p.m. 43.0 ppb (40) 15.7 ppb (15) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.59 ppb (7) N/A N/A 40.0
 
Jan. 20, 2020, 6 p.m. 89.4 ppb (88) 51.4 ppb (48) N/A 38.0 ppb (35) N/A N/A 1.0 ppb (1) 1.01 ppb (11) N/A N/A 88.0
 
Jan. 20, 2020, 5 p.m. 125.0 ppb (105) 86.0 ppb (84) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 1.41 ppb (16) N/A N/A 105.0
 
Jan. 20, 2020, 4 p.m. 121.5 ppb (104) 91.0 ppb (89) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 1.92 ppb (21) N/A N/A 104.0
 
Jan. 20, 2020, 3 p.m. 101.8 ppb (100) 75.9 ppb (73) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 1.58 ppb (18) N/A N/A 100.0
 
Jan. 20, 2020, 2 p.m. 80.9 ppb (79) 53.5 ppb (50) N/A 27.0 ppb (25) N/A N/A -1.0 ppb (0) 1.12 ppb (12) N/A N/A 79.0
 
Jan. 20, 2020, 1 p.m. 71.2 ppb (68) 44.4 ppb (41) N/A 27.0 ppb (25) N/A N/A -1.0 ppb (0) 1.0 ppb (11) N/A N/A 68.0
 
Jan. 20, 2020, noon 60.3 ppb (57) 35.8 ppb (33) N/A 25.0 ppb (23) N/A N/A -1.0 ppb (0) 0.91 ppb (10) N/A N/A 57.0
 
Jan. 20, 2020, 11 a.m. 56.7 ppb (53) 30.8 ppb (29) N/A 26.0 ppb (24) N/A N/A -1.0 ppb (0) 0.87 ppb (10) N/A N/A 53.0
 
Jan. 20, 2020, 10 a.m. 65.9 ppb (63) 39.6 ppb (37) N/A 26.0 ppb (24) N/A N/A -1.0 ppb (0) 1.09 ppb (12) N/A N/A 63.0
 
Jan. 20, 2020, 9 a.m. 52.9 ppb (49) 25.0 ppb (23) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 1.06 ppb (12) N/A N/A 49.0
 
Jan. 20, 2020, 8 a.m. 50.4 ppb (47) 18.9 ppb (18) N/A 32.0 ppb (30) N/A N/A 0.0 ppb (0) 0.91 ppb (10) N/A N/A 47.0
 
Jan. 20, 2020, 7 a.m. 44.3 ppb (41) 10.2 ppb (9) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.75 ppb (8) N/A N/A 41.0
 
Jan. 20, 2020, 6 a.m. 41.9 ppb (39) 7.8 ppb (7) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.78 ppb (9) N/A N/A 39.0
 
Jan. 20, 2020, 5 a.m. 25.5 ppb (24) 2.8 ppb (3) N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) 0.44 ppb (5) N/A N/A 24.0