AQSQID: 060372005

Site Name: Pasadena

Location: Rosemead (Ramona St), CA

Reporting: True, Located: True

Current AQI: 53.0

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
July 24, 2019, 1 a.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 69.0 ppb (53) 0.21 ppb (2) N/A N/A 53.0
 
July 24, 2019, midnight 6.6 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 71.0 ppb (55) 0.24 ppb (3) N/A N/A 55.0
 
July 23, 2019, 11 p.m. 7.2 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 84.0 ppb (66) 0.28 ppb (3) N/A N/A 66.0
 
July 23, 2019, 10 p.m. 7.4 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 99.0 ppb (78) 0.29 ppb (3) N/A N/A 78.0
 
July 23, 2019, 9 p.m. 11.0 ppb (10) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 109.0 ppb (87) 0.39 ppb (4) N/A N/A 87.0
 
July 23, 2019, 8 p.m. 15.5 ppb (14) 0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 100.0 ppb (79) 0.46 ppb (5) N/A N/A 79.0
 
July 23, 2019, 7 p.m. 17.5 ppb (16) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 87.0 ppb (68) 0.46 ppb (5) N/A N/A 68.0
 
July 23, 2019, 6 p.m. 9.6 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 93.0 ppb (73) 0.31 ppb (3) N/A N/A 73.0
 
July 23, 2019, 5 p.m. 16.5 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A 61.0 ppb (47) 0.35 ppb (4) N/A N/A 47.0
 
July 23, 2019, 4 p.m. 24.8 ppb (23) 5.9 ppb (5) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (25) 0.43 ppb (5) N/A N/A 25.0
 
July 23, 2019, 3 p.m. 29.8 ppb (28) 6.9 ppb (6) N/A 23.0 ppb (21) N/A N/A 15.0 ppb (12) 0.55 ppb (6) N/A N/A 28.0
 
July 23, 2019, 2 p.m. 33.3 ppb (31) 7.1 ppb (7) N/A 26.0 ppb (24) N/A N/A 8.0 ppb (6) 0.52 ppb (6) N/A N/A 31.0
 
July 23, 2019, 1 p.m. 24.8 ppb (23) 0.8 ppb (1) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) 0.34 ppb (4) N/A N/A 23.0
 
July 23, 2019, noon 24.0 ppb (22) 1.0 ppb (1) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A N/A 22.0
 
July 23, 2019, 11 a.m. 21.2 ppb (20) 0.1 ppb (0) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) 0.33 ppb (4) N/A N/A 20.0
 
July 23, 2019, 10 a.m. 20.1 ppb (19) 0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) 0.34 ppb (4) N/A N/A 19.0
 
July 23, 2019, 9 a.m. 17.2 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A N/A 16.0
 
July 23, 2019, 8 a.m. 18.1 ppb (17) 0.1 ppb (0) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A N/A 18.0
 
July 23, 2019, 7 a.m. 17.8 ppb (16) -0.1 ppb (0) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.38 ppb (4) N/A N/A 17.0
 
July 23, 2019, 6 a.m. 14.0 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.36 ppb (4) N/A N/A 20.0
 
July 23, 2019, 5 a.m. 11.3 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 36.0 ppb (28) 0.32 ppb (4) N/A N/A 28.0
 
July 23, 2019, 4 a.m. 10.5 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 41.0 ppb (32) 0.3 ppb (3) N/A N/A 32.0
 
July 23, 2019, 3 a.m. 10.8 ppb (10) -0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 44.0 ppb (34) 0.28 ppb (3) N/A N/A 34.0
 
July 23, 2019, 2 a.m. 10.0 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 50.0 ppb (38) 0.25 ppb (3) N/A N/A 38.0
 
July 23, 2019, 1 a.m. 9.4 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 53.0 ppb (41) 0.24 ppb (3) N/A N/A 41.0
 
July 23, 2019, midnight 10.0 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 57.0 ppb (44) 0.25 ppb (3) N/A N/A 44.0
 
July 22, 2019, 11 p.m. 14.1 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 61.0 ppb (47) 0.28 ppb (3) N/A N/A 47.0
 
July 22, 2019, 10 p.m. 17.6 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 79.0 ppb (62) 0.38 ppb (4) N/A N/A 62.0
 
July 22, 2019, 9 p.m. 14.8 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 74.0 ppb (57) 0.38 ppb (4) N/A N/A 57.0
 
July 22, 2019, 8 p.m. 12.7 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 62.0 ppb (48) 0.34 ppb (4) N/A N/A 48.0
 
July 22, 2019, 7 p.m. 19.9 ppb (18) 3.4 ppb (3) N/A 17.0 ppb (16) N/A N/A 41.0 ppb (32) 0.37 ppb (4) N/A N/A 32.0
 
July 22, 2019, 6 p.m. 25.6 ppb (24) 7.0 ppb (6) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (20) 0.39 ppb (4) N/A N/A 24.0
 
July 22, 2019, 5 p.m. 28.9 ppb (27) 9.0 ppb (8) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.41 ppb (5) N/A N/A 27.0
 
July 22, 2019, 4 p.m. 28.1 ppb (26) 9.1 ppb (8) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) 0.39 ppb (4) N/A N/A 26.0
 
July 22, 2019, 3 p.m. 14.7 ppb (14) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.3 ppb (3) N/A N/A 14.0
 
July 22, 2019, 2 p.m. 10.7 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A N/A 12.0
 
July 22, 2019, 1 p.m. 11.3 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.26 ppb (3) N/A N/A 10.0
 
July 22, 2019, noon 11.1 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 6.0 ppb (5) 0.26 ppb (3) N/A N/A 10.0
 
July 22, 2019, 11 a.m. 12.2 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A N/A 11.0
 
July 22, 2019, 10 a.m. 12.3 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.26 ppb (3) N/A N/A 11.0
 
July 22, 2019, 9 a.m. 13.1 ppb (12) 0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 8.0 ppb (6) 0.28 ppb (3) N/A N/A 12.0
 
July 22, 2019, 8 a.m. 12.5 ppb (12) 0.1 ppb (0) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) 0.28 ppb (3) N/A N/A 12.0
 
July 22, 2019, 7 a.m. 10.9 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.24 ppb (3) N/A N/A 10.0
 
July 22, 2019, 6 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A N/A 10.0
 
July 22, 2019, 5 a.m. 8.9 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.24 ppb (3) N/A N/A 15.0
 
July 22, 2019, 4 a.m. 8.1 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A N/A 20.0
 
July 22, 2019, 3 a.m. 6.9 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) 0.23 ppb (3) N/A N/A 33.0
 
July 22, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.21 ppb (2) N/A N/A 39.0
 
July 22, 2019, 1 a.m. 5.6 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (36) 0.18 ppb (2) N/A N/A 36.0
 
July 22, 2019, midnight 4.7 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 53.0 ppb (41) 0.19 ppb (2) N/A N/A 41.0
 
July 21, 2019, 11 p.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) 0.19 ppb (2) N/A N/A 44.0
 
July 21, 2019, 10 p.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.22 ppb (2) N/A N/A 48.0
 
July 21, 2019, 9 p.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 69.0 ppb (53) 0.24 ppb (3) N/A N/A 53.0
 
July 21, 2019, 8 p.m. 7.7 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 74.0 ppb (57) 0.26 ppb (3) N/A N/A 57.0
 
July 21, 2019, 7 p.m. 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 68.0 ppb (52) 0.27 ppb (3) N/A N/A 52.0
 
July 21, 2019, 6 p.m. 7.8 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 55.0 ppb (42) 0.26 ppb (3) N/A N/A 42.0
 
July 21, 2019, 5 p.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.22 ppb (2) N/A N/A 33.0
 
July 21, 2019, 4 p.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.24 ppb (3) N/A N/A 24.0
 
July 21, 2019, 3 p.m. 8.9 ppb (8) 2.4 ppb (2) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A N/A 15.0
 
July 21, 2019, 2 p.m. 10.6 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A N/A 10.0
 
July 21, 2019, 1 p.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 10.0 ppb (8) 0.21 ppb (2) N/A N/A 8.0
 
July 21, 2019, noon 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.17 ppb (2) N/A N/A 8.0
 
July 21, 2019, 11 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.18 ppb (2) N/A N/A 11.0
 
July 21, 2019, 10 a.m. 8.7 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.24 ppb (3) N/A N/A 8.0
 
July 21, 2019, 9 a.m. 8.2 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 10.0 ppb (8) 0.21 ppb (2) N/A N/A 8.0
 
July 21, 2019, 8 a.m. 7.9 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.21 ppb (2) N/A N/A 10.0
 
July 21, 2019, 7 a.m. 8.2 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A N/A 12.0
 
July 21, 2019, 6 a.m. 7.9 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.22 ppb (2) N/A N/A 15.0
 
July 21, 2019, 5 a.m. 8.3 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.24 ppb (3) N/A N/A 18.0
 
July 21, 2019, 4 a.m. 6.6 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
July 21, 2019, 3 a.m. 5.3 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
July 21, 2019, 2 a.m. 5.5 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A N/A 32.0
 
July 21, 2019, 1 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (38) 0.18 ppb (2) N/A N/A 38.0
 
July 21, 2019, midnight 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) 0.19 ppb (2) N/A N/A 42.0
 
July 20, 2019, 11 p.m. 5.5 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.21 ppb (2) N/A N/A 48.0
 
July 20, 2019, 10 p.m. 6.7 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 62.0 ppb (48) 0.21 ppb (2) N/A N/A 48.0
 
July 20, 2019, 9 p.m. 8.6 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 65.0 ppb (50) 0.24 ppb (3) N/A N/A 50.0
 
July 20, 2019, 8 p.m. 7.9 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 70.0 ppb (54) 0.25 ppb (3) N/A N/A 54.0
 
July 20, 2019, 7 p.m. 8.6 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 58.0 ppb (45) 0.25 ppb (3) N/A N/A 45.0
 
July 20, 2019, 6 p.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.23 ppb (3) N/A N/A 39.0
 
July 20, 2019, 5 p.m. 6.7 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.23 ppb (3) N/A N/A 29.0
 
July 20, 2019, 4 p.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
July 20, 2019, 3 p.m. 7.0 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.19 ppb (2) N/A N/A 20.0
 
July 20, 2019, 2 p.m. 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
July 20, 2019, 1 p.m. 6.5 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A N/A 17.0
 
July 20, 2019, noon 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
July 20, 2019, 11 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.18 ppb (2) N/A N/A 18.0
 
July 20, 2019, 10 a.m. 7.9 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.18 ppb (2) N/A N/A 16.0
 
July 20, 2019, 9 a.m. 9.5 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.18 ppb (2) N/A N/A 14.0
 
July 20, 2019, 8 a.m. 7.8 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
July 20, 2019, 7 a.m. 7.5 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
July 20, 2019, 6 a.m. 6.9 ppb (6) 0.0 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
 
July 20, 2019, 5 a.m. 6.6 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
July 20, 2019, 4 a.m. 6.1 ppb (6) 0.0 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
 
July 20, 2019, 3 a.m. 6.5 ppb (6) 0.1 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
 
July 20, 2019, 2 a.m. 7.7 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
July 20, 2019, 1 a.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
July 20, 2019, midnight 7.9 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
July 19, 2019, 11 p.m. 9.5 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 47.0 ppb (36) 0.2 ppb (2) N/A N/A 36.0
 
July 19, 2019, 10 p.m. 10.5 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 49.0 ppb (38) 0.22 ppb (2) N/A N/A 38.0
 
July 19, 2019, 9 p.m. 12.2 ppb (11) 1.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 49.0 ppb (38) 0.3 ppb (3) N/A N/A 38.0
 
July 19, 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
July 19, 2019, 7 p.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) 0.23 ppb (3) N/A N/A 33.0
 
July 19, 2019, 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
July 19, 2019, 5 p.m. 8.2 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A N/A 21.0
 
July 19, 2019, 4 p.m. 8.5 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A N/A 15.0
 
July 19, 2019, 3 p.m. 9.1 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A N/A 11.0
 
July 19, 2019, 2 p.m. 8.3 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.22 ppb (2) N/A N/A 11.0
 
July 19, 2019, 1 p.m. 8.2 ppb (8) -0.8 ppb (0) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
July 19, 2019, noon 6.6 ppb (6) -1.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
July 19, 2019, 11 a.m. 7.7 ppb (7) -1.0 ppb (0) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
July 19, 2019, 10 a.m. 5.7 ppb (5) -1.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
July 19, 2019, 9 a.m. 4.3 ppb (4) -1.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 11.0
 
July 19, 2019, 8 a.m. 5.1 ppb (5) -1.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.22 ppb (2) N/A N/A 12.0
 
July 19, 2019, 7 a.m. 4.9 ppb (5) -1.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
July 19, 2019, 6 a.m. 3.8 ppb (4) -1.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
July 19, 2019, 5 a.m. 3.2 ppb (3) -1.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.19 ppb (2) N/A N/A 19.0
 
July 19, 2019, 4 a.m. 3.7 ppb (3) -1.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
July 19, 2019, 3 a.m. 4.4 ppb (4) -0.8 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.19 ppb (2) N/A N/A 24.0
 
July 19, 2019, 2 a.m. 4.7 ppb (4) -0.8 ppb (0) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
July 19, 2019, 1 a.m. 5.6 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A N/A 31.0
 
July 19, 2019, midnight 5.2 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) 0.22 ppb (2) N/A N/A 35.0
 
July 18, 2019, 11 p.m. 5.9 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (41) 0.25 ppb (3) N/A N/A 41.0
 
July 18, 2019, 10 p.m. 9.8 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 59.0 ppb (45) 0.27 ppb (3) N/A N/A 45.0
 
July 18, 2019, 9 p.m. 8.1 ppb (8) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 65.0 ppb (50) 0.32 ppb (4) N/A N/A 50.0
 
July 18, 2019, 8 p.m. 7.0 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 63.0 ppb (48) 0.28 ppb (3) N/A N/A 48.0
 
July 18, 2019, 7 p.m. 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 50.0 ppb (38) 0.28 ppb (3) N/A N/A 38.0
 
July 18, 2019, 6 p.m. 8.9 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) 0.28 ppb (3) N/A N/A 35.0
 
July 18, 2019, 5 p.m. 9.2 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A N/A 26.0
 
July 18, 2019, 4 p.m. 8.1 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A N/A 21.0
 
July 18, 2019, 3 p.m. 7.6 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A N/A 17.0
 
July 18, 2019, 2 p.m. 6.6 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.22 ppb (2) N/A N/A 14.0
 
July 18, 2019, 1 p.m. 5.5 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.18 ppb (2) N/A N/A 12.0
 
July 18, 2019, noon 5.7 ppb (5) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.17 ppb (2) N/A N/A 12.0
 
July 18, 2019, 11 a.m. 6.0 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A N/A 13.0
 
July 18, 2019, 10 a.m. 6.4 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.16 ppb (2) N/A N/A 12.0
 
July 18, 2019, 9 a.m. 6.1 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.16 ppb (2) N/A N/A 12.0
 
July 18, 2019, 8 a.m. 6.6 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.17 ppb (2) N/A N/A 12.0
 
July 18, 2019, 7 a.m. 8.3 ppb (8) -0.8 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.19 ppb (2) N/A N/A 14.0
 
July 18, 2019, 6 a.m. 9.3 ppb (9) -0.8 ppb (0) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
July 18, 2019, 5 a.m. 9.8 ppb (9) -0.8 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
 
July 18, 2019, 4 a.m. 9.5 ppb (9) -0.8 ppb (0) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.21 ppb (2) N/A N/A 20.0
 
July 18, 2019, 3 a.m. 11.4 ppb (11) -0.7 ppb (0) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.21 ppb (2) N/A N/A 22.0
 
July 18, 2019, 2 a.m. 13.2 ppb (12) -0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A N/A 25.0
 
July 18, 2019, 1 a.m. 9.8 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
July 18, 2019, midnight 9.0 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) 0.21 ppb (2) N/A N/A 36.0
 
July 17, 2019, 11 p.m. 10.8 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 49.0 ppb (38) 0.23 ppb (3) N/A N/A 38.0
 
July 17, 2019, 10 p.m. 11.1 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 52.0 ppb (40) 0.23 ppb (3) N/A N/A 40.0
 
July 17, 2019, 9 p.m. 12.1 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 52.0 ppb (40) 0.24 ppb (3) N/A N/A 40.0
 
July 17, 2019, 8 p.m. 11.3 ppb (10) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 59.0 ppb (45) 0.27 ppb (3) N/A N/A 45.0
 
July 17, 2019, 7 p.m. 11.8 ppb (11) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 53.0 ppb (41) 0.28 ppb (3) N/A N/A 41.0
 
July 17, 2019, 6 p.m. 10.5 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) 0.26 ppb (3) N/A N/A 36.0
 
July 17, 2019, 5 p.m. 10.8 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.27 ppb (3) N/A N/A 28.0
 
July 17, 2019, 4 p.m. 7.7 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 17, 2019, 2 p.m. -1.1 ppb (0) N/A N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.18 ppb (2) N/A N/A 17.0
 
July 17, 2019, 1 p.m. -2.2 ppb (0) N/A N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.17 ppb (2) N/A N/A 14.0
 
July 17, 2019, noon -2.1 ppb (0) N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.17 ppb (2) N/A N/A 15.0
 
July 17, 2019, 11 a.m. -1.8 ppb (0) N/A N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
July 17, 2019, 10 a.m. -1.3 ppb (0) N/A N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
July 17, 2019, 9 a.m. -1.2 ppb (0) N/A N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
July 17, 2019, 8 a.m. -1.4 ppb (0) N/A N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.15 ppb (2) N/A N/A 16.0
 
July 17, 2019, 7 a.m. 0.6 ppb (1) N/A N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.17 ppb (2) N/A N/A 15.0
 
July 17, 2019, 6 a.m. 5.4 ppb (5) N/A N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.21 ppb (2) N/A N/A 12.0
 
July 17, 2019, 5 a.m. 10.5 ppb (10) N/A N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A N/A 14.0
 
July 17, 2019, 4 a.m. 8.7 ppb (8) N/A N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.25 ppb (3) N/A N/A 18.0
 
July 17, 2019, 3 a.m. 11.3 ppb (10) N/A N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A N/A 21.0
 
July 17, 2019, 2 a.m. 12.1 ppb (11) N/A N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A N/A 25.0