AQSQID: 060370002

Site Name: Azusa

Location: Azusa, CA

Reporting: True, Located: True

Current AQI: 63.0

Azusa CA, US: 34.135601, -117.922798

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 20, 2019, 10 p.m. 6.9 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 81.0 ppb (63) 0.26 ppb (3) N/A N/A 63.0
 
July 20, 2019, 9 p.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 78.0 ppb (61) 0.24 ppb (3) N/A N/A 61.0
 
July 20, 2019, 8 p.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 71.0 ppb (55) 0.25 ppb (3) N/A N/A 55.0
 
July 20, 2019, 7 p.m. 8.1 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 62.0 ppb (48) 0.27 ppb (3) N/A N/A 48.0
 
July 20, 2019, 6 p.m. 10.9 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) 0.27 ppb (3) N/A N/A 36.0
 
July 20, 2019, 5 p.m. 12.0 ppb (11) 3.1 ppb (3) 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 20, 2019, 4 p.m. 10.8 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.25 ppb (3) N/A N/A 23.0
 
July 20, 2019, 3 p.m. 11.6 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.25 ppb (3) N/A N/A 18.0
 
July 20, 2019, 2 p.m. 6.9 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.22 ppb (2) N/A N/A 15.0
 
July 20, 2019, 1 p.m. 7.4 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A N/A 12.0
 
July 20, 2019, noon 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A N/A 12.0
 
July 20, 2019, 11 a.m. 9.6 ppb (9) 1.0 ppb (1) 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 20, 2019, 10 a.m. 11.2 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A N/A 14.0
 
July 20, 2019, 9 a.m. 14.5 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A N/A 13.0
 
July 20, 2019, 8 a.m. 14.9 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.24 ppb (3) N/A N/A 14.0
 
July 20, 2019, 7 a.m. 13.4 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.24 ppb (3) N/A N/A 15.0
 
July 20, 2019, 6 a.m. 14.7 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.26 ppb (3) N/A N/A 15.0
 
July 20, 2019, 5 a.m. 14.3 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.26 ppb (3) N/A N/A 14.0
 
July 20, 2019, 4 a.m. 12.8 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A N/A 15.0
 
July 20, 2019, 3 a.m. 12.9 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A N/A 22.0
 
July 20, 2019, 2 a.m. 12.8 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) 0.25 ppb (3) N/A N/A 26.0
 
July 20, 2019, 1 a.m. 13.5 ppb (12) 1.9 ppb (2) N/A 12.0 ppb (11) N/A N/A 38.0 ppb (29) 0.24 ppb (3) N/A N/A 29.0
 
July 20, 2019, midnight 11.9 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 47.0 ppb (36) 0.23 ppb (3) N/A N/A 36.0
 
July 19, 2019, 11 p.m. 10.9 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 53.0 ppb (41) 0.22 ppb (2) N/A N/A 41.0
 
July 19, 2019, 10 p.m. 11.8 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 55.0 ppb (42) 0.23 ppb (3) N/A N/A 42.0
 
July 19, 2019, 9 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 59.0 ppb (45) 0.24 ppb (3) N/A N/A 45.0
 
July 19, 2019, 8 p.m. 11.5 ppb (11) 2.4 ppb (2) N/A 9.0 ppb (8) N/A N/A 51.0 ppb (39) 0.25 ppb (3) N/A N/A 39.0
 
July 19, 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
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. 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, 4 p.m. 24.3 ppb (23) 10.7 ppb (10) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.3 ppb (3) N/A N/A 23.0
 
July 19, 2019, 3 p.m. 23.6 ppb (22) 11.1 ppb (10) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A N/A 22.0
 
July 19, 2019, 2 p.m. 15.8 ppb (15) 4.3 ppb (4) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.24 ppb (3) N/A N/A 15.0
 
July 19, 2019, 1 p.m. 21.1 ppb (20) 3.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A N/A 20.0
 
July 19, 2019, noon 18.2 ppb (17) 2.2 ppb (2) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.24 ppb (3) N/A N/A 17.0
 
July 19, 2019, 11 a.m. 18.6 ppb (17) 2.2 ppb (2) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) 0.23 ppb (3) N/A N/A 17.0
 
July 19, 2019, 10 a.m. 19.3 ppb (18) 2.0 ppb (2) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.23 ppb (3) N/A N/A 18.0
 
July 19, 2019, 9 a.m. 18.1 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) 0.23 ppb (3) N/A N/A 17.0
 
July 19, 2019, 8 a.m. 17.3 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.23 ppb (3) N/A N/A 16.0
 
July 19, 2019, 7 a.m. 15.2 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.24 ppb (3) N/A N/A 14.0
 
July 19, 2019, 6 a.m. 15.7 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.26 ppb (3) N/A N/A 15.0
 
July 19, 2019, 5 a.m. 16.1 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A N/A 15.0
 
July 19, 2019, 4 a.m. 14.5 ppb (13) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A N/A 15.0
 
July 19, 2019, 3 a.m. 13.9 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.25 ppb (3) N/A N/A 19.0
 
July 19, 2019, 2 a.m. 12.3 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.25 ppb (3) N/A N/A 26.0
 
July 19, 2019, 1 a.m. 13.4 ppb (12) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) 0.25 ppb (3) N/A N/A 32.0
 
July 19, 2019, midnight 14.1 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (11) N/A N/A 54.0 ppb (42) 0.26 ppb (3) N/A N/A 42.0
 
July 18, 2019, 11 p.m. 12.0 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 65.0 ppb (50) 0.24 ppb (3) N/A N/A 50.0
 
July 18, 2019, 10 p.m. 8.7 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 69.0 ppb (53) 0.23 ppb (3) N/A N/A 53.0
 
July 18, 2019, 9 p.m. 9.2 ppb (9) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 70.0 ppb (54) 0.26 ppb (3) N/A N/A 54.0
 
July 18, 2019, 8 p.m. 13.2 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) 0.28 ppb (3) N/A N/A 48.0
 
July 18, 2019, 7 p.m. 17.0 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A N/A 51.0 ppb (39) 0.3 ppb (3) N/A N/A 39.0
 
July 18, 2019, 6 p.m. 19.6 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A N/A 29.0
 
July 18, 2019, 5 p.m. 21.4 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (13) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A N/A 21.0
 
July 18, 2019, 4 p.m. 20.0 ppb (19) 7.8 ppb (7) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A N/A 19.0
 
July 18, 2019, 3 p.m. 16.9 ppb (16) 7.0 ppb (6) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.23 ppb (3) N/A N/A 16.0
 
July 18, 2019, 2 p.m. 20.5 ppb (19) 9.2 ppb (9) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.38 ppb (4) N/A N/A 19.0
 
July 18, 2019, 1 p.m. 16.0 ppb (15) 4.7 ppb (4) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) 0.28 ppb (3) N/A N/A 15.0
 
July 18, 2019, noon 13.1 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.21 ppb (2) N/A N/A 12.0
 
July 18, 2019, 11 a.m. 14.0 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.18 ppb (2) N/A N/A 13.0
 
July 18, 2019, 10 a.m. 12.2 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) 0.18 ppb (2) N/A N/A 11.0
 
July 18, 2019, 9 a.m. 13.3 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.18 ppb (2) N/A N/A 12.0
 
July 18, 2019, 8 a.m. 12.9 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.19 ppb (2) N/A N/A 12.0
 
July 18, 2019, 7 a.m. 12.7 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A N/A 12.0
 
July 18, 2019, 6 a.m. 13.4 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.19 ppb (2) N/A N/A 12.0
 
July 18, 2019, 5 a.m. 12.9 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.19 ppb (2) N/A N/A 15.0
 
July 18, 2019, 4 a.m. 12.1 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.19 ppb (2) N/A N/A 17.0
 
July 18, 2019, 3 a.m. 11.4 ppb (11) 0.5 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
 
July 18, 2019, 2 a.m. 8.7 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A N/A 25.0
 
July 18, 2019, 1 a.m. 8.0 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A N/A 30.0
 
July 18, 2019, midnight 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, 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
July 17, 2019, 10 p.m. 10.3 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 56.0 ppb (43) 0.22 ppb (2) N/A N/A 43.0
 
July 17, 2019, 9 p.m. 10.8 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 60.0 ppb (46) 0.24 ppb (3) N/A N/A 46.0
 
July 17, 2019, 8 p.m. 12.0 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A 62.0 ppb (48) 0.27 ppb (3) N/A N/A 48.0
 
July 17, 2019, 7 p.m. 17.0 ppb (16) 2.9 ppb (3) N/A 14.0 ppb (13) N/A N/A 53.0 ppb (41) 0.3 ppb (3) N/A N/A 41.0
 
July 17, 2019, 6 p.m. 23.2 ppb (21) 5.5 ppb (5) N/A 18.0 ppb (17) N/A N/A 37.0 ppb (28) 0.32 ppb (4) N/A N/A 28.0
 
July 17, 2019, 5 p.m. 23.9 ppb (22) 7.2 ppb (7) N/A 17.0 ppb (16) N/A N/A 28.0 ppb (22) 0.35 ppb (4) N/A N/A 22.0
 
July 17, 2019, 4 p.m. 22.9 ppb (21) 8.3 ppb (8) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A N/A 21.0
 
July 17, 2019, 3 p.m. 17.3 ppb (16) 6.3 ppb (6) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A N/A 16.0
 
July 17, 2019, 2 p.m. 12.2 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.32 ppb (4) N/A N/A 14.0
 
July 17, 2019, 1 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.21 ppb (2) N/A N/A 12.0
 
July 17, 2019, noon 8.9 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.19 ppb (2) N/A N/A 9.0
 
July 17, 2019, 11 a.m. 7.2 ppb (7) 1.3 ppb (1) 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 17, 2019, 10 a.m. 9.5 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.18 ppb (2) N/A N/A 10.0
 
July 17, 2019, 9 a.m. 9.5 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.18 ppb (2) N/A N/A 12.0
 
July 17, 2019, 8 a.m. 10.7 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.18 ppb (2) N/A N/A 12.0
 
July 17, 2019, 7 a.m. 12.6 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 15.0 ppb (12) 0.19 ppb (2) N/A N/A 12.0
 
July 17, 2019, 6 a.m. 12.6 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.19 ppb (2) N/A N/A 12.0
 
July 17, 2019, 5 a.m. 12.5 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.21 ppb (2) N/A N/A 14.0
 
July 17, 2019, 4 a.m. 12.1 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.21 ppb (2) N/A N/A 16.0
 
July 17, 2019, 3 a.m. 13.1 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
July 17, 2019, 2 a.m. 10.3 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
July 17, 2019, 1 a.m. 9.1 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) 0.19 ppb (2) N/A N/A 31.0
 
July 17, 2019, midnight 8.7 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 50.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
July 16, 2019, 11 p.m. 8.7 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 66.0 ppb (51) 0.21 ppb (2) N/A N/A 51.0
 
July 16, 2019, 10 p.m. 9.1 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 71.0 ppb (55) 0.22 ppb (2) N/A N/A 55.0
 
July 16, 2019, 9 p.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 72.0 ppb (56) 0.22 ppb (2) N/A N/A 56.0
 
July 16, 2019, 8 p.m. 12.0 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 77.0 ppb (60) 0.27 ppb (3) N/A N/A 60.0
 
July 16, 2019, 7 p.m. 19.2 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 69.0 ppb (53) 0.33 ppb (4) N/A N/A 53.0
 
July 16, 2019, 6 p.m. 28.2 ppb (26) 4.3 ppb (4) N/A 24.0 ppb (22) N/A N/A 57.0 ppb (44) 0.43 ppb (5) N/A N/A 44.0
 
July 16, 2019, 5 p.m. 39.9 ppb (37) 9.2 ppb (9) N/A 31.0 ppb (29) N/A N/A 38.0 ppb (29) 0.43 ppb (5) N/A N/A 37.0
 
July 16, 2019, 4 p.m. 49.7 ppb (46) 16.3 ppb (15) N/A 33.0 ppb (31) N/A N/A 22.0 ppb (17) 0.52 ppb (6) N/A N/A 46.0
 
July 16, 2019, 3 p.m. 61.7 ppb (58) 29.9 ppb (28) N/A 32.0 ppb (30) N/A N/A 10.0 ppb (8) 0.55 ppb (6) N/A N/A 58.0
 
July 16, 2019, 2 p.m. 57.4 ppb (54) 32.4 ppb (30) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) 0.45 ppb (5) N/A N/A 54.0
 
July 16, 2019, 1 p.m. 59.5 ppb (56) 36.0 ppb (33) N/A 24.0 ppb (22) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A N/A 56.0
 
July 16, 2019, noon 45.9 ppb (42) 20.8 ppb (19) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A N/A 42.0
 
July 16, 2019, 11 a.m. 40.0 ppb (37) 12.8 ppb (12) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) 0.3 ppb (3) N/A N/A 37.0
 
July 16, 2019, 10 a.m. 46.3 ppb (43) 17.3 ppb (16) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) 0.35 ppb (4) N/A N/A 43.0
 
July 16, 2019, 9 a.m. 30.3 ppb (28) 3.9 ppb (4) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.32 ppb (4) N/A N/A 28.0
 
July 16, 2019, 8 a.m. 30.4 ppb (28) 3.0 ppb (3) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) 0.36 ppb (4) N/A N/A 28.0
 
July 16, 2019, 7 a.m. 34.8 ppb (32) 3.5 ppb (3) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.42 ppb (5) N/A N/A 32.0
 
July 16, 2019, 6 a.m. 46.8 ppb (43) 9.7 ppb (9) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) 0.45 ppb (5) N/A N/A 43.0
 
July 16, 2019, 5 a.m. 35.4 ppb (33) 2.5 ppb (2) N/A 33.0 ppb (31) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A N/A 33.0
 
July 16, 2019, 4 a.m. 28.2 ppb (26) 1.1 ppb (1) N/A 27.0 ppb (25) N/A N/A 21.0 ppb (16) 0.39 ppb (4) N/A N/A 26.0
 
July 16, 2019, 3 a.m. 20.5 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 37.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
July 16, 2019, 2 a.m. 19.1 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 49.0 ppb (38) 0.31 ppb (3) N/A N/A 38.0
 
July 16, 2019, 1 a.m. 12.9 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 65.0 ppb (50) 0.26 ppb (3) N/A N/A 50.0
 
July 16, 2019, midnight 13.2 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 89.0 ppb (70) 0.29 ppb (3) N/A N/A 70.0
 
July 15, 2019, 11 p.m. 14.3 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 108.0 ppb (86) 0.33 ppb (4) N/A N/A 86.0
 
July 15, 2019, 10 p.m. 18.5 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 102.0 ppb (81) 0.36 ppb (4) N/A N/A 81.0
 
July 15, 2019, 9 p.m. 20.0 ppb (19) 1.4 ppb (1) N/A 19.0 ppb (18) N/A N/A 105.0 ppb (83) 0.41 ppb (5) N/A N/A 83.0
 
July 15, 2019, 8 p.m. 14.2 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 94.0 ppb (74) 0.36 ppb (4) N/A N/A 74.0
 
July 15, 2019, 7 p.m. 19.5 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A N/A 76.0 ppb (59) 0.38 ppb (4) N/A N/A 59.0
 
July 15, 2019, 6 p.m. 26.3 ppb (24) 4.6 ppb (4) N/A 22.0 ppb (20) N/A N/A 52.0 ppb (40) 0.42 ppb (5) N/A N/A 40.0
 
July 15, 2019, 5 p.m. 29.4 ppb (27) 8.1 ppb (8) N/A 21.0 ppb (19) N/A N/A 31.0 ppb (24) 0.38 ppb (4) N/A N/A 27.0
 
July 15, 2019, 4 p.m. 31.2 ppb (29) 11.9 ppb (11) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.35 ppb (4) N/A N/A 29.0
 
July 15, 2019, 3 p.m. 36.4 ppb (34) 17.5 ppb (16) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (9) 0.38 ppb (4) N/A N/A 34.0
 
July 15, 2019, 2 p.m. 46.1 ppb (43) 26.4 ppb (24) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) 0.39 ppb (4) N/A N/A 43.0
 
July 15, 2019, 1 p.m. 38.4 ppb (36) 17.6 ppb (16) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.34 ppb (4) N/A N/A 36.0
 
July 15, 2019, noon 25.4 ppb (24) 4.6 ppb (4) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.26 ppb (3) N/A N/A 24.0
 
July 15, 2019, 11 a.m. 19.2 ppb (18) 2.5 ppb (2) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) 0.26 ppb (3) N/A N/A 18.0
 
July 15, 2019, 10 a.m. 23.1 ppb (21) 4.1 ppb (4) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) 0.31 ppb (3) N/A N/A 21.0
 
July 15, 2019, 9 a.m. 17.7 ppb (16) 1.9 ppb (2) N/A 16.0 ppb (15) N/A N/A 10.0 ppb (8) 0.32 ppb (4) N/A N/A 16.0
 
July 15, 2019, 8 a.m. 19.7 ppb (18) 2.6 ppb (2) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.32 ppb (4) N/A N/A 18.0
 
July 15, 2019, 7 a.m. 18.2 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.32 ppb (4) N/A N/A 17.0
 
July 15, 2019, 6 a.m. 16.3 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.31 ppb (3) N/A N/A 15.0
 
July 15, 2019, 5 a.m. 16.1 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A N/A 18.0
 
July 15, 2019, 4 a.m. 13.6 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) 0.27 ppb (3) N/A N/A 24.0
 
July 15, 2019, 3 a.m. 11.0 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) 0.26 ppb (3) N/A N/A 29.0
 
July 15, 2019, 2 a.m. 12.6 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 40.0 ppb (31) 0.26 ppb (3) N/A N/A 31.0
 
July 15, 2019, 1 a.m. 10.1 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 50.0 ppb (38) 0.24 ppb (3) N/A N/A 38.0
 
July 15, 2019, midnight 9.0 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A 73.0 ppb (57) 0.26 ppb (3) N/A N/A 57.0
 
July 14, 2019, 11 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 91.0 ppb (72) 0.3 ppb (3) N/A N/A 72.0
 
July 14, 2019, 10 p.m. 10.6 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 103.0 ppb (82) 0.34 ppb (4) N/A N/A 82.0
 
July 14, 2019, 9 p.m. 9.4 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 109.0 ppb (87) 0.36 ppb (4) N/A N/A 87.0
 
July 14, 2019, 8 p.m. 8.2 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 102.0 ppb (81) 0.34 ppb (4) N/A N/A 81.0
 
July 14, 2019, 7 p.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 84.0 ppb (66) 0.33 ppb (4) N/A N/A 66.0
 
July 14, 2019, 6 p.m. 8.4 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 66.0 ppb (51) 0.32 ppb (4) N/A N/A 51.0
 
July 14, 2019, 5 p.m. 10.9 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 44.0 ppb (34) 0.33 ppb (4) N/A N/A 34.0
 
July 14, 2019, 4 p.m. 16.6 ppb (15) 4.9 ppb (5) N/A 12.0 ppb (11) N/A N/A 29.0 ppb (22) 0.35 ppb (4) N/A N/A 22.0
 
July 14, 2019, 3 p.m. 20.2 ppb (19) 8.0 ppb (7) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A N/A 19.0
 
July 14, 2019, 2 p.m. 17.0 ppb (16) 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.58 ppb (6) N/A N/A 16.0
 
July 14, 2019, 1 p.m. 13.0 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.29 ppb (3) N/A N/A 12.0
 
July 14, 2019, noon 10.4 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.27 ppb (3) N/A N/A 10.0
 
July 14, 2019, 11 a.m. 11.7 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.29 ppb (3) N/A N/A 11.0
 
July 14, 2019, 10 a.m. 10.7 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.27 ppb (3) N/A N/A 10.0
 
July 14, 2019, 9 a.m. 10.1 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.25 ppb (3) N/A N/A 12.0
 
July 14, 2019, 8 a.m. 10.4 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.23 ppb (3) N/A N/A 12.0
 
July 14, 2019, 7 a.m. 13.6 ppb (13) 1.4 ppb (1) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A N/A 13.0
 
July 14, 2019, 6 a.m. 14.9 ppb (14) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A N/A 14.0
 
July 14, 2019, 5 a.m. 18.0 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A N/A 17.0
 
July 14, 2019, 4 a.m. 15.1 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 0.31 ppb (3) N/A N/A 17.0
 
July 14, 2019, 3 a.m. 14.6 ppb (14) 0.5 ppb (0) N/A 14.0 ppb (13) N/A N/A 33.0 ppb (25) 0.3 ppb (3) N/A N/A 25.0
 
July 14, 2019, 2 a.m. 13.7 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 45.0 ppb (35) 0.29 ppb (3) N/A N/A 35.0
 
July 14, 2019, 1 a.m. 12.2 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 58.0 ppb (45) 0.27 ppb (3) N/A N/A 45.0
 
July 14, 2019, midnight 9.7 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 75.0 ppb (58) 0.29 ppb (3) N/A N/A 58.0
 
July 13, 2019, 11 p.m. 8.6 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 93.0 ppb (73) 0.31 ppb (3) N/A N/A 73.0