AQSQID: 840060374009

Site Name: Long Beach Signal Hill

Location: Long Beach (E 20th St), CA

Reporting: True, Located: True

Current AQI: 30.0

Long Beach (E 20th St) CA, US: 33.793713, -118.171019

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2020, noon 32.7 ppb (30) 6.2 ppb (6) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 3.0 ppb (2) 0.51 ppb (6) N/A N/A 30.0
 
Jan. 19, 2020, 11 a.m. 36.4 ppb (34) 8.8 ppb (8) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.59 ppb (7) N/A N/A 34.0
 
Jan. 19, 2020, 10 a.m. 48.5 ppb (45) 19.7 ppb (18) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.84 ppb (9) N/A N/A 45.0
 
Jan. 19, 2020, 9 a.m. 59.2 ppb (56) 29.8 ppb (28) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 1.05 ppb (12) N/A N/A 56.0
 
Jan. 19, 2020, 8 a.m. 63.3 ppb (60) 31.7 ppb (29) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 1.1 ppb (12) N/A N/A 60.0
 
Jan. 19, 2020, 7 a.m. 64.2 ppb (61) 30.3 ppb (28) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 1.15 ppb (13) N/A N/A 61.0
 
Jan. 19, 2020, 6 a.m. 64.2 ppb (61) 27.6 ppb (26) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) 1.05 ppb (12) N/A N/A 61.0
 
Jan. 19, 2020, 5 a.m. 75.3 ppb (73) 37.4 ppb (35) N/A 38.0 ppb (35) N/A 1.0 ppb (1) 2.0 ppb (2) 1.23 ppb (14) N/A N/A 73.0
 
Jan. 19, 2020, 4 a.m. 52.6 ppb (49) 13.3 ppb (12) N/A 39.0 ppb (36) N/A 1.0 ppb (1) 2.0 ppb (2) 0.95 ppb (11) N/A N/A 49.0
 
Jan. 19, 2020, 3 a.m. 32.5 ppb (30) 1.1 ppb (1) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 11.0 ppb (8) 0.6 ppb (7) N/A N/A 30.0
 
Jan. 19, 2020, 2 a.m. 28.6 ppb (26) 1.3 ppb (1) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) N/A N/A 26.0
 
Jan. 19, 2020, 1 a.m. 27.0 ppb (25) 1.8 ppb (2) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 18.0 ppb (14) 0.4 ppb (4) N/A N/A 25.0
 
Jan. 19, 2020, midnight 22.0 ppb (20) 2.4 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (21) 0.33 ppb (4) N/A N/A 21.0
 
Jan. 18, 2020, 11 p.m. 22.3 ppb (21) 3.9 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 31.0 ppb (24) 0.34 ppb (4) N/A N/A 24.0
 
Jan. 18, 2020, 10 p.m. 15.5 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (29) 0.28 ppb (3) N/A N/A 29.0
 
Jan. 18, 2020, 9 p.m. 17.1 ppb (16) 4.9 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.28 ppb (3) N/A N/A 28.0
 
Jan. 18, 2020, 8 p.m. 30.2 ppb (28) 10.2 ppb (9) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 28.0 ppb (22) 0.39 ppb (4) N/A N/A 28.0
 
Jan. 18, 2020, 7 p.m. 25.4 ppb (24) 8.6 ppb (8) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A N/A 24.0
 
Jan. 18, 2020, 6 p.m. 33.8 ppb (31) 13.6 ppb (13) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 22.0 ppb (17) 0.44 ppb (5) N/A N/A 31.0
 
Jan. 18, 2020, 5 p.m. 36.8 ppb (34) 16.3 ppb (15) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 16.0 ppb (12) 0.47 ppb (5) N/A N/A 34.0
 
Jan. 18, 2020, 4 p.m. 50.0 ppb (46) 25.5 ppb (24) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.57 ppb (6) N/A N/A 46.0
 
Jan. 18, 2020, 3 p.m. 50.5 ppb (47) 22.8 ppb (21) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.53 ppb (6) N/A N/A 47.0
 
Jan. 18, 2020, 2 p.m. 39.8 ppb (37) 10.9 ppb (10) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) N/A N/A 37.0
 
Jan. 18, 2020, 1 p.m. 35.4 ppb (33) 7.0 ppb (6) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.41 ppb (5) N/A N/A 33.0
 
Jan. 18, 2020, noon 43.0 ppb (40) 15.6 ppb (14) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.48 ppb (5) N/A N/A 40.0
 
Jan. 18, 2020, 11 a.m. 69.0 ppb (66) 41.2 ppb (38) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.83 ppb (9) N/A N/A 66.0
 
Jan. 18, 2020, 10 a.m. 76.3 ppb (74) 46.2 ppb (43) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.92 ppb (10) N/A N/A 74.0
 
Jan. 18, 2020, 9 a.m. 81.4 ppb (79) 44.2 ppb (41) N/A 37.0 ppb (34) N/A 1.0 ppb (1) 1.0 ppb (1) 0.99 ppb (11) N/A N/A 79.0
 
Jan. 18, 2020, 8 a.m. 70.7 ppb (68) 34.5 ppb (32) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 1.03 ppb (11) N/A N/A 68.0
 
Jan. 18, 2020, 7 a.m. 42.2 ppb (39) 9.6 ppb (9) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 0.75 ppb (8) N/A N/A 39.0
 
Jan. 18, 2020, 6 a.m. 35.2 ppb (33) 5.5 ppb (5) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 5.0 ppb (4) 0.63 ppb (7) N/A N/A 33.0
 
Jan. 18, 2020, 5 a.m. 34.1 ppb (32) 4.0 ppb (4) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (5) 0.54 ppb (6) N/A N/A 32.0
 
Jan. 18, 2020, 4 a.m. 30.4 ppb (28) 2.4 ppb (2) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (7) 0.5 ppb (6) N/A N/A 28.0
 
Jan. 18, 2020, 3 a.m. 30.1 ppb (28) 2.7 ppb (3) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (11) 0.42 ppb (5) N/A N/A 28.0
 
Jan. 18, 2020, 2 a.m. 24.1 ppb (22) 1.3 ppb (1) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 21.0 ppb (16) 0.36 ppb (4) N/A N/A 22.0
 
Jan. 18, 2020, 1 a.m. 22.4 ppb (21) 1.7 ppb (2) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) N/A N/A 21.0
 
Jan. 18, 2020, midnight 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) N/A N/A 28.0
 
Jan. 17, 2020, 11 p.m. 11.2 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (29) 0.17 ppb (2) N/A N/A 29.0
 
Jan. 17, 2020, 10 p.m. 14.2 ppb (13) 3.6 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
Jan. 17, 2020, 9 p.m. 12.0 ppb (11) 3.4 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
Jan. 17, 2020, 8 p.m. 13.1 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
Jan. 17, 2020, 7 p.m. 9.4 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) N/A N/A 27.0
 
Jan. 17, 2020, 6 p.m. 10.0 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Jan. 17, 2020, 5 p.m. 24.0 ppb (22) 9.0 ppb (8) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A N/A 22.0
 
Jan. 17, 2020, 4 p.m. 61.9 ppb (58) 31.7 ppb (29) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (5) 0.76 ppb (8) N/A N/A 58.0
 
Jan. 17, 2020, 3 p.m. 67.9 ppb (65) 35.0 ppb (32) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.71 ppb (8) N/A N/A 65.0
 
Jan. 17, 2020, 2 p.m. 43.0 ppb (40) 13.8 ppb (13) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.74 ppb (8) N/A N/A 40.0
 
Jan. 17, 2020, 1 p.m. 19.2 ppb (18) 1.7 ppb (2) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 11.0 ppb (8) 0.35 ppb (4) N/A N/A 18.0
 
Jan. 17, 2020, noon 7.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) N/A N/A 19.0
 
Jan. 17, 2020, 11 a.m. 6.3 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A N/A 22.0
 
Jan. 17, 2020, 10 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) N/A N/A 22.0
 
Jan. 17, 2020, 9 a.m. 5.3 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A N/A 26.0
 
Jan. 17, 2020, 8 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
Jan. 17, 2020, 7 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
Jan. 17, 2020, 6 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) N/A N/A 30.0
 
Jan. 17, 2020, 5 a.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
Jan. 17, 2020, 4 a.m. 3.3 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) N/A N/A 31.0
 
Jan. 17, 2020, 3 a.m. 8.2 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) N/A N/A 27.0
 
Jan. 17, 2020, 2 a.m. 11.4 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
Jan. 17, 2020, 1 a.m. 9.4 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
Jan. 17, 2020, midnight 11.5 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) N/A N/A 26.0
 
Jan. 16, 2020, 11 p.m. 10.0 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
Jan. 16, 2020, 6 p.m. 38.4 ppb (36) 10.2 ppb (9) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 18.0 ppb (14) 0.6 ppb (7) N/A N/A 36.0
 
Jan. 16, 2020, 5 p.m. 45.2 ppb (42) 13.8 ppb (13) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 12.0 ppb (9) 0.68 ppb (8) N/A N/A 42.0
 
Jan. 16, 2020, 4 p.m. 46.9 ppb (43) 15.9 ppb (15) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 9.0 ppb (7) 0.67 ppb (7) N/A N/A 43.0
 
Jan. 16, 2020, 3 p.m. 50.7 ppb (47) 18.2 ppb (17) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 3.0 ppb (2) 0.73 ppb (8) N/A N/A 47.0
 
Jan. 16, 2020, 2 p.m. 37.0 ppb (34) 6.5 ppb (6) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (3) 0.65 ppb (7) N/A N/A 34.0
 
Jan. 16, 2020, 1 p.m. 20.4 ppb (19) 1.5 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 16.0 ppb (12) 0.51 ppb (6) N/A N/A 19.0
 
Jan. 16, 2020, noon 30.8 ppb (29) 3.5 ppb (3) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 5.0 ppb (4) 0.62 ppb (7) N/A N/A 29.0
 
Jan. 16, 2020, 11 a.m. 53.2 ppb (49) 21.4 ppb (20) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) 0.89 ppb (10) N/A N/A 49.0
 
Jan. 16, 2020, 10 a.m. 60.2 ppb (57) 26.2 ppb (24) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) N/A N/A 57.0
 
Jan. 16, 2020, 9 a.m. 69.2 ppb (66) 29.5 ppb (27) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.97 ppb (11) N/A N/A 66.0
 
Jan. 16, 2020, 8 a.m. 64.9 ppb (62) 30.2 ppb (28) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 1.07 ppb (12) N/A N/A 62.0
 
Jan. 16, 2020, 7 a.m. 53.8 ppb (50) 17.6 ppb (16) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (11) N/A N/A 50.0
 
Jan. 16, 2020, 6 a.m. 41.4 ppb (38) 4.6 ppb (4) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) 0.69 ppb (8) N/A N/A 38.0
 
Jan. 16, 2020, 5 a.m. 49.8 ppb (46) 7.9 ppb (7) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 2.0 ppb (2) 0.77 ppb (9) N/A N/A 46.0
 
Jan. 16, 2020, 4 a.m. 50.4 ppb (47) 8.8 ppb (8) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 3.0 ppb (2) 0.93 ppb (10) N/A N/A 47.0
 
Jan. 16, 2020, 3 a.m. 33.1 ppb (31) 1.7 ppb (2) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 17.0 ppb (13) 0.58 ppb (6) N/A N/A 31.0
 
Jan. 16, 2020, 2 a.m. 34.2 ppb (32) 2.1 ppb (2) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 18.0 ppb (14) 0.55 ppb (6) N/A N/A 32.0
 
Jan. 16, 2020, 1 a.m. 28.9 ppb (27) 2.1 ppb (2) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 23.0 ppb (18) 0.5 ppb (6) N/A N/A 27.0
 
Jan. 15, 2020, 8 p.m. 30.7 ppb (28) 7.2 ppb (7) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 38.0 ppb (29) 0.49 ppb (5) N/A N/A 29.0
 
Jan. 15, 2020, 7 p.m. 48.5 ppb (45) 16.3 ppb (15) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 24.0 ppb (18) 0.65 ppb (7) N/A N/A 45.0
 
Jan. 15, 2020, 6 p.m. 66.2 ppb (63) 31.1 ppb (29) N/A 35.0 ppb (32) N/A 1.0 ppb (1) 13.0 ppb (10) 0.78 ppb (9) N/A N/A 63.0
 
Jan. 15, 2020, 5 p.m. 75.1 ppb (72) 42.3 ppb (39) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 8.0 ppb (6) 0.87 ppb (10) N/A N/A 72.0
 
Jan. 15, 2020, 4 p.m. 67.1 ppb (64) 37.6 ppb (35) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (3) 0.77 ppb (9) N/A N/A 64.0
 
Jan. 15, 2020, 3 p.m. 89.4 ppb (88) 60.0 ppb (56) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 1.08 ppb (12) N/A N/A 88.0
 
Jan. 15, 2020, 2 p.m. 108.8 ppb (102) 80.4 ppb (78) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 1.0 ppb (1) 1.32 ppb (15) N/A N/A 102.0
 
Jan. 15, 2020, 1 p.m. 91.4 ppb (90) 63.3 ppb (60) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 1.12 ppb (12) N/A N/A 90.0
 
Jan. 15, 2020, noon 78.1 ppb (76) 51.5 ppb (48) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 1.08 ppb (12) N/A N/A 76.0
 
Jan. 15, 2020, 11 a.m. 56.6 ppb (53) 31.6 ppb (29) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 0.94 ppb (10) N/A N/A 53.0
 
Jan. 15, 2020, 10 a.m. 46.5 ppb (43) 18.9 ppb (18) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.78 ppb (9) N/A N/A 43.0
 
Jan. 15, 2020, 9 a.m. 47.7 ppb (44) 18.3 ppb (17) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.96 ppb (11) N/A N/A 44.0
 
Jan. 15, 2020, 8 a.m. 42.0 ppb (39) 13.5 ppb (12) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 2.0 ppb (2) 0.84 ppb (9) N/A N/A 39.0
 
Jan. 15, 2020, 7 a.m. 42.8 ppb (40) 9.6 ppb (9) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A N/A 40.0
 
Jan. 15, 2020, 6 a.m. 39.6 ppb (37) 6.6 ppb (6) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 4.0 ppb (3) 0.76 ppb (8) N/A N/A 37.0
 
Jan. 15, 2020, 5 a.m. 33.8 ppb (31) 2.6 ppb (2) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 12.0 ppb (9) 0.6 ppb (7) N/A N/A 31.0
 
Jan. 15, 2020, 4 a.m. 40.9 ppb (38) 2.8 ppb (3) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 5.0 ppb (4) 0.61 ppb (7) N/A N/A 38.0
 
Jan. 15, 2020, 3 a.m. 33.4 ppb (31) 1.4 ppb (1) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 17.0 ppb (13) 0.45 ppb (5) N/A N/A 31.0
 
Jan. 15, 2020, 2 a.m. 24.9 ppb (23) 0.9 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 27.0 ppb (21) 0.36 ppb (4) N/A N/A 23.0
 
Jan. 15, 2020, 1 a.m. 17.5 ppb (16) 0.5 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 37.0 ppb (28) 0.32 ppb (4) N/A N/A 28.0
 
Jan. 15, 2020, midnight 17.2 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 40.0 ppb (31) 0.32 ppb (4) N/A N/A 31.0
 
Jan. 14, 2020, 11 p.m. 13.5 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 43.0 ppb (33) 0.31 ppb (3) N/A N/A 33.0
 
Jan. 14, 2020, 10 p.m. 20.0 ppb (19) 3.2 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 41.0 ppb (32) 0.32 ppb (4) N/A N/A 32.0
 
Jan. 14, 2020, 9 p.m. 33.5 ppb (31) 7.9 ppb (7) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 30.0 ppb (23) 0.39 ppb (4) N/A N/A 31.0
 
Jan. 14, 2020, 8 p.m. 42.3 ppb (39) 11.9 ppb (11) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 23.0 ppb (18) 0.48 ppb (5) N/A N/A 39.0
 
Jan. 14, 2020, 7 p.m. 34.4 ppb (32) 10.5 ppb (10) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 25.0 ppb (19) 0.45 ppb (5) N/A N/A 32.0
 
Jan. 14, 2020, 6 p.m. 45.5 ppb (42) 18.4 ppb (17) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 18.0 ppb (14) 0.56 ppb (6) N/A N/A 42.0
 
Jan. 14, 2020, 5 p.m. 72.7 ppb (70) 38.9 ppb (36) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 8.0 ppb (6) 0.78 ppb (9) N/A N/A 70.0
 
Jan. 14, 2020, 4 p.m. 109.5 ppb (102) 73.5 ppb (71) N/A 36.0 ppb (33) N/A 1.0 ppb (1) 2.0 ppb (2) 1.14 ppb (13) N/A N/A 102.0
 
Jan. 14, 2020, 3 p.m. 148.7 ppb (109) 121.7 ppb (104) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 1.0 ppb (1) 2.08 ppb (23) N/A N/A 109.0
 
Jan. 14, 2020, 2 p.m. 113.6 ppb (102) 87.2 ppb (85) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 1.0 ppb (1) 1.46 ppb (16) N/A N/A 102.0
 
Jan. 14, 2020, 1 p.m. 89.2 ppb (87) 62.0 ppb (59) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 1.09 ppb (12) N/A N/A 87.0
 
Jan. 14, 2020, noon 74.6 ppb (72) 47.1 ppb (44) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.96 ppb (11) N/A N/A 72.0
 
Jan. 14, 2020, 11 a.m. 65.8 ppb (63) 39.7 ppb (37) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 2.0 ppb (2) 1.09 ppb (12) N/A N/A 63.0
 
Jan. 14, 2020, 10 a.m. 54.0 ppb (50) 24.6 ppb (23) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.85 ppb (9) N/A N/A 50.0
 
Jan. 14, 2020, 9 a.m. 69.9 ppb (67) 34.3 ppb (32) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) N/A N/A 67.0
 
Jan. 14, 2020, 8 a.m. 80.5 ppb (78) 45.1 ppb (42) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 1.24 ppb (14) N/A N/A 78.0
 
Jan. 14, 2020, 7 a.m. 82.1 ppb (80) 47.9 ppb (44) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 1.27 ppb (14) N/A N/A 80.0
 
Jan. 14, 2020, 6 a.m. 61.4 ppb (58) 24.2 ppb (22) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (10) N/A N/A 58.0
 
Jan. 14, 2020, 5 a.m. 55.2 ppb (51) 13.8 ppb (13) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 2.0 ppb (2) 0.79 ppb (9) N/A N/A 51.0
 
Jan. 14, 2020, 4 a.m. 33.1 ppb (31) 1.3 ppb (1) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 10.0 ppb (8) 0.55 ppb (6) N/A N/A 31.0
 
Jan. 14, 2020, 3 a.m. 30.2 ppb (28) 0.6 ppb (1) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 17.0 ppb (13) 0.44 ppb (5) N/A N/A 28.0
 
Jan. 14, 2020, 2 a.m. 31.2 ppb (29) 1.3 ppb (1) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 15.0 ppb (12) 0.33 ppb (4) N/A N/A 29.0
 
Jan. 14, 2020, 1 a.m. 10.6 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A N/A 28.0
 
Jan. 14, 2020, midnight 10.0 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) N/A N/A 31.0
 
Jan. 13, 2020, 11 p.m. 8.5 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
Jan. 13, 2020, 10 p.m. 11.1 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) N/A N/A 32.0
 
Jan. 13, 2020, 9 p.m. 10.3 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.18 ppb (2) N/A N/A 31.0
 
Jan. 13, 2020, 8 p.m. 7.1 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.19 ppb (2) N/A N/A 33.0
 
Jan. 13, 2020, 7 p.m. 10.4 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.24 ppb (3) N/A N/A 31.0
 
Jan. 13, 2020, 6 p.m. 15.3 ppb (14) 3.5 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (26) 0.29 ppb (3) N/A N/A 26.0
 
Jan. 13, 2020, 5 p.m. 30.0 ppb (28) 9.4 ppb (9) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 21.0 ppb (16) 0.43 ppb (5) N/A N/A 28.0
 
Jan. 13, 2020, 4 p.m. 58.7 ppb (55) 31.4 ppb (29) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 7.0 ppb (5) 0.75 ppb (8) N/A N/A 55.0
 
Jan. 13, 2020, 3 p.m. 110.0 ppb (102) 80.3 ppb (78) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 2.0 ppb (2) 1.35 ppb (15) N/A N/A 102.0
 
Jan. 13, 2020, 2 p.m. 90.8 ppb (89) 62.3 ppb (59) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 1.17 ppb (13) N/A N/A 89.0
 
Jan. 13, 2020, 1 p.m. 58.5 ppb (55) 27.7 ppb (26) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (10) N/A N/A 55.0
 
Jan. 13, 2020, noon 50.1 ppb (46) 19.1 ppb (18) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A N/A 46.0
 
Jan. 13, 2020, 11 a.m. 49.9 ppb (46) 18.6 ppb (17) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.78 ppb (9) N/A N/A 46.0
 
Jan. 13, 2020, 10 a.m. 46.0 ppb (43) 19.5 ppb (18) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (10) N/A N/A 43.0
 
Jan. 13, 2020, 9 a.m. 31.2 ppb (29) 3.2 ppb (3) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 5.0 ppb (4) 0.62 ppb (7) N/A N/A 29.0
 
Jan. 13, 2020, 8 a.m. 32.4 ppb (30) 3.1 ppb (3) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 7.0 ppb (5) 0.64 ppb (7) N/A N/A 30.0
 
Jan. 13, 2020, 7 a.m. 35.6 ppb (33) 8.0 ppb (7) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.63 ppb (7) N/A N/A 33.0
 
Jan. 13, 2020, 6 a.m. 38.7 ppb (36) 10.5 ppb (10) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.62 ppb (7) N/A N/A 36.0
 
Jan. 13, 2020, 5 a.m. 24.9 ppb (23) 0.9 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 9.0 ppb (7) 0.58 ppb (6) N/A N/A 23.0
 
Jan. 13, 2020, 4 a.m. 21.8 ppb (20) 1.1 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (11) 0.6 ppb (7) N/A N/A 20.0
 
Jan. 13, 2020, 3 a.m. 21.1 ppb (20) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 19.0 ppb (15) 0.51 ppb (6) N/A N/A 20.0
 
Jan. 13, 2020, 2 a.m. 21.9 ppb (20) 1.2 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.46 ppb (5) N/A N/A 20.0
 
Jan. 13, 2020, 1 a.m. 10.7 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (30) 0.25 ppb (3) N/A N/A 30.0
 
Jan. 13, 2020, midnight 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) 0.22 ppb (2) N/A N/A 31.0
 
Jan. 12, 2020, 11 p.m. 11.7 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A N/A 28.0
 
Jan. 12, 2020, 10 p.m. 8.9 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) N/A N/A 31.0
 
Jan. 12, 2020, 9 p.m. 9.6 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.22 ppb (2) N/A N/A 31.0
 
Jan. 12, 2020, 8 p.m. 12.5 ppb (12) 3.1 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 37.0 ppb (28) 0.25 ppb (3) N/A N/A 28.0
 
Jan. 12, 2020, 7 p.m. 8.1 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) N/A N/A 31.0
 
Jan. 12, 2020, 6 p.m. 11.2 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 33.0 ppb (25) 0.29 ppb (3) N/A N/A 25.0
 
Jan. 12, 2020, 5 p.m. 20.7 ppb (19) 7.3 ppb (7) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.42 ppb (5) N/A N/A 19.0
 
Jan. 12, 2020, 4 p.m. 47.0 ppb (44) 25.6 ppb (24) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 8.0 ppb (6) 0.82 ppb (9) N/A N/A 44.0
 
Jan. 12, 2020, 3 p.m. 56.5 ppb (53) 36.0 ppb (33) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 1.07 ppb (12) N/A N/A 53.0
 
Jan. 12, 2020, 2 p.m. 41.5 ppb (38) 21.8 ppb (20) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) N/A N/A 38.0
 
Jan. 12, 2020, 1 p.m. 32.8 ppb (30) 9.4 ppb (9) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) 0.69 ppb (8) N/A N/A 30.0
 
Jan. 12, 2020, noon 21.5 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.49 ppb (5) N/A N/A 20.0
 
Jan. 12, 2020, 11 a.m. 11.3 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.31 ppb (3) N/A N/A 14.0
 
Jan. 12, 2020, 10 a.m. 20.1 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 9.0 ppb (7) 0.46 ppb (5) N/A N/A 19.0
 
Jan. 12, 2020, 9 a.m. 19.5 ppb (18) 0.7 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (10) 0.44 ppb (5) N/A N/A 18.0
 
Jan. 12, 2020, 8 a.m. 21.5 ppb (20) 1.1 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.55 ppb (6) N/A N/A 20.0
 
Jan. 12, 2020, 7 a.m. 28.9 ppb (27) 2.4 ppb (2) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 6.0 ppb (5) 0.62 ppb (7) N/A N/A 27.0
 
Jan. 12, 2020, 6 a.m. 26.5 ppb (25) 1.9 ppb (2) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 8.0 ppb (6) 0.57 ppb (6) N/A N/A 25.0
 
Jan. 12, 2020, 5 a.m. 32.4 ppb (30) 5.3 ppb (5) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 4.0 ppb (3) 0.62 ppb (7) N/A N/A 30.0