AQSQID: 060595001

Site Name: La Habra

Location: La Habra, CA

Reporting: True, Located: True

Current AQI: 22.0

La Habra CA, US: 33.9258, -117.9506

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 4 p.m. 6.1 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.11 ppb (1) N/A N/A 22.0
 
Sept. 19, 2019, 3 p.m. 11.4 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A N/A 15.0
 
Sept. 19, 2019, 2 p.m. 27.2 ppb (25) 13.1 ppb (12) N/A 14.0 ppb (13) N/A N/A 11.0 ppb (8) 0.24 ppb (3) N/A N/A 25.0
 
Sept. 19, 2019, 1 p.m. 17.7 ppb (16) 5.7 ppb (5) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A N/A 16.0
 
Sept. 19, 2019, noon 8.6 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.08 ppb (1) N/A N/A 14.0
 
Sept. 19, 2019, 11 a.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.08 ppb (1) N/A N/A 16.0
 
Sept. 19, 2019, 10 a.m. 3.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.05 ppb (1) N/A N/A 16.0
 
Sept. 19, 2019, 9 a.m. 5.7 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Sept. 19, 2019, 8 a.m. 6.8 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.07 ppb (1) N/A N/A 13.0
 
Sept. 19, 2019, 7 a.m. 12.3 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 19, 2019, 6 a.m. 12.5 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.17 ppb (2) N/A N/A 12.0
 
Sept. 19, 2019, 5 a.m. 13.2 ppb (12) 1.1 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
 
Sept. 19, 2019, 4 a.m. 11.4 ppb (11) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.15 ppb (2) N/A N/A 12.0
 
Sept. 19, 2019, 3 a.m. 9.1 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.15 ppb (2) N/A N/A 15.0
 
Sept. 19, 2019, 2 a.m. 8.3 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.12 ppb (1) N/A N/A 17.0
 
Sept. 19, 2019, 1 a.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.09 ppb (1) N/A N/A 19.0
 
Sept. 19, 2019, midnight 6.8 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.09 ppb (1) N/A N/A 21.0
 
Sept. 18, 2019, 11 p.m. 5.8 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 18, 2019, 10 p.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 18, 2019, 9 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.09 ppb (1) N/A N/A 34.0
 
Sept. 18, 2019, 8 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.12 ppb (1) N/A N/A 33.0
 
Sept. 18, 2019, 7 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
Sept. 18, 2019, 6 p.m. 7.2 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A N/A 31.0
 
Sept. 18, 2019, 5 p.m. 9.1 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A N/A 27.0
 
Sept. 18, 2019, 4 p.m. 11.9 ppb (11) 3.8 ppb (4) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 18, 2019, 3 p.m. 11.9 ppb (11) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.14 ppb (2) N/A N/A 18.0
 
Sept. 18, 2019, 2 p.m. 30.2 ppb (28) 14.6 ppb (14) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) 0.32 ppb (4) N/A N/A 28.0
 
Sept. 18, 2019, 1 p.m. 39.3 ppb (36) 20.4 ppb (19) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.39 ppb (4) N/A N/A 36.0
 
Sept. 18, 2019, noon 43.5 ppb (40) 23.2 ppb (21) N/A 20.0 ppb (19) N/A N/A -3.0 ppb (0) 0.32 ppb (4) N/A N/A 40.0
 
Sept. 18, 2019, 11 a.m. 19.0 ppb (18) 5.0 ppb (5) N/A 14.0 ppb (13) N/A N/A -1.0 ppb (0) 0.28 ppb (3) N/A N/A 18.0
 
Sept. 18, 2019, 10 a.m. 12.8 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A N/A 3.0 ppb (2) 0.17 ppb (2) N/A N/A 12.0
 
Sept. 18, 2019, 9 a.m. 16.5 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 1.0 ppb (1) 0.24 ppb (3) N/A N/A 15.0
 
Sept. 18, 2019, 8 a.m. 14.9 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) 0.19 ppb (2) N/A N/A 14.0
 
Sept. 18, 2019, 7 a.m. 13.5 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 7.0 ppb (5) 0.21 ppb (2) N/A N/A 12.0
 
Sept. 18, 2019, 6 a.m. 14.0 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.19 ppb (2) N/A N/A 13.0
 
Sept. 18, 2019, 5 a.m. 16.3 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) 0.18 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 4 a.m. 12.1 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.17 ppb (2) N/A N/A 17.0
 
Sept. 18, 2019, 3 a.m. 10.7 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
Sept. 18, 2019, 2 a.m. 9.4 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
Sept. 18, 2019, midnight 8.2 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 17, 2019, 11 p.m. 6.2 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.09 ppb (1) N/A N/A 27.0
 
Sept. 17, 2019, 10 p.m. 5.7 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.09 ppb (1) N/A N/A 30.0
 
Sept. 17, 2019, 9 p.m. 5.1 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
Sept. 17, 2019, 8 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 17, 2019, 7 p.m. 7.4 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) 0.14 ppb (2) N/A N/A 35.0
 
Sept. 17, 2019, 6 p.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.15 ppb (2) N/A N/A 30.0
 
Sept. 17, 2019, 5 p.m. 11.4 ppb (11) 3.4 ppb (3) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Sept. 17, 2019, 4 p.m. 9.5 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
Sept. 17, 2019, 3 p.m. 10.0 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.14 ppb (2) N/A N/A 17.0
 
Sept. 17, 2019, 2 p.m. 18.5 ppb (17) 6.3 ppb (6) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.27 ppb (3) N/A N/A 17.0
 
Sept. 17, 2019, 1 p.m. 27.9 ppb (26) 8.8 ppb (8) N/A 19.0 ppb (18) N/A N/A -1.0 ppb (0) 0.37 ppb (4) N/A N/A 26.0
 
Sept. 17, 2019, noon 20.0 ppb (19) 7.7 ppb (7) N/A 12.0 ppb (11) N/A N/A 6.0 ppb (5) 0.21 ppb (2) N/A N/A 19.0
 
Sept. 17, 2019, 11 a.m. 23.9 ppb (22) 5.8 ppb (5) N/A 18.0 ppb (17) N/A N/A -1.0 ppb (0) 0.23 ppb (3) N/A N/A 22.0
 
Sept. 17, 2019, 10 a.m. 8.5 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.08 ppb (1) N/A N/A 9.0
 
Sept. 17, 2019, 9 a.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.1 ppb (1) N/A N/A 12.0
 
Sept. 17, 2019, 8 a.m. 7.6 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.08 ppb (1) N/A N/A 11.0
 
Sept. 17, 2019, 7 a.m. 9.1 ppb (8) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.14 ppb (2) N/A N/A 15.0
 
Sept. 17, 2019, 6 a.m. 9.2 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.11 ppb (1) N/A N/A 15.0
 
Sept. 17, 2019, 5 a.m. 10.0 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 22.0 ppb (17) 0.16 ppb (2) N/A N/A 17.0
 
Sept. 17, 2019, 4 a.m. 11.2 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
Sept. 17, 2019, 3 a.m. 8.5 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.13 ppb (1) N/A N/A 22.0
 
Sept. 17, 2019, 2 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
Sept. 17, 2019, 1 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.13 ppb (1) N/A N/A 26.0
 
Sept. 17, 2019, midnight 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.11 ppb (1) N/A N/A 30.0
 
Sept. 16, 2019, 11 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 16, 2019, 10 p.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) 0.12 ppb (1) N/A N/A 37.0
 
Sept. 16, 2019, 9 p.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.14 ppb (2) N/A N/A 38.0
 
Sept. 16, 2019, 8 p.m. 4.6 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (38) 0.11 ppb (1) N/A N/A 38.0
 
Sept. 16, 2019, 7 p.m. 6.2 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.12 ppb (1) N/A N/A 33.0
 
Sept. 16, 2019, 6 p.m. 13.1 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.21 ppb (2) N/A N/A 26.0
 
Sept. 16, 2019, 5 p.m. 18.0 ppb (17) 4.7 ppb (4) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.26 ppb (3) N/A N/A 18.0
 
Sept. 16, 2019, 4 p.m. 17.3 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.24 ppb (3) N/A N/A 16.0
 
Sept. 16, 2019, 3 p.m. 21.4 ppb (20) 9.7 ppb (9) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) 0.28 ppb (3) N/A N/A 20.0
 
Sept. 16, 2019, 2 p.m. 13.6 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.21 ppb (2) N/A N/A 13.0
 
Sept. 16, 2019, 1 p.m. 11.6 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.19 ppb (2) N/A N/A 11.0
 
Sept. 16, 2019, noon 9.7 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.16 ppb (2) N/A N/A 9.0
 
Sept. 16, 2019, 11 a.m. 16.6 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) 0.27 ppb (3) N/A N/A 15.0
 
Sept. 16, 2019, 10 a.m. 15.6 ppb (14) 2.4 ppb (2) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.19 ppb (2) N/A N/A 14.0
 
Sept. 16, 2019, 9 a.m. 19.3 ppb (18) 2.9 ppb (3) N/A 16.0 ppb (15) N/A N/A 1.0 ppb (1) 0.33 ppb (4) N/A N/A 18.0
 
Sept. 16, 2019, 8 a.m. 20.4 ppb (19) 2.7 ppb (3) N/A 18.0 ppb (17) N/A N/A 3.0 ppb (2) 0.21 ppb (2) N/A N/A 19.0
 
Sept. 16, 2019, 7 a.m. 18.9 ppb (18) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 16, 2019, 6 a.m. 18.4 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.23 ppb (3) N/A N/A 17.0
 
Sept. 16, 2019, 5 a.m. 16.5 ppb (15) 1.2 ppb (1) N/A 15.0 ppb (14) N/A N/A 11.0 ppb (8) 0.27 ppb (3) N/A N/A 15.0
 
Sept. 16, 2019, 4 a.m. 18.1 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A N/A 17.0
 
Sept. 16, 2019, 3 a.m. 14.7 ppb (14) 0.9 ppb (1) N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) 0.23 ppb (3) N/A N/A 16.0
 
Sept. 16, 2019, 2 a.m. 11.0 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Sept. 16, 2019, 1 a.m. 8.6 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.18 ppb (2) N/A N/A 32.0
 
Sept. 16, 2019, midnight 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 48.0 ppb (37) 0.19 ppb (2) N/A N/A 37.0
 
Sept. 15, 2019, 11 p.m. 8.1 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.15 ppb (2) N/A N/A 42.0
 
Sept. 15, 2019, 10 p.m. 6.5 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (41) 0.14 ppb (2) N/A N/A 41.0
 
Sept. 15, 2019, 9 p.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 56.0 ppb (43) 0.14 ppb (2) N/A N/A 43.0
 
Sept. 15, 2019, 8 p.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 65.0 ppb (50) 0.19 ppb (2) N/A N/A 50.0
 
Sept. 15, 2019, 7 p.m. 6.3 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 70.0 ppb (54) 0.22 ppb (2) N/A N/A 54.0
 
Sept. 15, 2019, 6 p.m. 7.5 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (43) 0.21 ppb (2) N/A N/A 43.0
 
Sept. 15, 2019, 5 p.m. 13.0 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) 0.28 ppb (3) N/A N/A 28.0
 
Sept. 15, 2019, 4 p.m. 17.6 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A N/A 16.0
 
Sept. 15, 2019, 3 p.m. 18.9 ppb (18) 4.8 ppb (4) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.32 ppb (4) N/A N/A 18.0
 
Sept. 15, 2019, 2 p.m. 21.4 ppb (20) 5.4 ppb (5) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.33 ppb (4) N/A N/A 20.0
 
Sept. 15, 2019, 1 p.m. 27.9 ppb (26) 6.5 ppb (6) N/A 21.0 ppb (19) N/A N/A -1.0 ppb (0) 0.42 ppb (5) N/A N/A 26.0
 
Sept. 15, 2019, noon 24.0 ppb (22) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 22.0
 
Sept. 15, 2019, 11 a.m. 20.8 ppb (19) 2.4 ppb (2) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.37 ppb (4) N/A N/A 19.0
 
Sept. 15, 2019, 10 a.m. 17.6 ppb (16) 1.8 ppb (2) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) 0.33 ppb (4) N/A N/A 16.0
 
Sept. 15, 2019, 9 a.m. 18.2 ppb (17) 1.8 ppb (2) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.36 ppb (4) N/A N/A 17.0
 
Sept. 15, 2019, 8 a.m. 23.2 ppb (21) 2.6 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) 0.41 ppb (5) N/A N/A 21.0
 
Sept. 15, 2019, 7 a.m. 25.1 ppb (23) 3.3 ppb (3) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.45 ppb (5) N/A N/A 23.0
 
Sept. 15, 2019, 6 a.m. 22.9 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.37 ppb (4) N/A N/A 21.0
 
Sept. 15, 2019, 5 a.m. 21.1 ppb (20) 1.4 ppb (1) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.37 ppb (4) N/A N/A 20.0
 
Sept. 15, 2019, 4 a.m. 20.1 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.35 ppb (4) N/A N/A 19.0
 
Sept. 15, 2019, 3 a.m. 16.0 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
 
Sept. 15, 2019, 2 a.m. 13.5 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 33.0 ppb (25) 0.21 ppb (2) N/A N/A 25.0
 
Sept. 15, 2019, 1 a.m. 9.9 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 50.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
Sept. 15, 2019, midnight 8.4 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 61.0 ppb (47) 0.18 ppb (2) N/A N/A 47.0
 
Sept. 14, 2019, 11 p.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 85.0 ppb (67) 0.21 ppb (2) N/A N/A 67.0
 
Sept. 14, 2019, 10 p.m. 10.5 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 103.0 ppb (82) 0.24 ppb (3) N/A N/A 82.0
 
Sept. 14, 2019, 9 p.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 97.0 ppb (77) 0.23 ppb (3) N/A N/A 77.0
 
Sept. 14, 2019, 8 p.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 87.0 ppb (68) 0.24 ppb (3) N/A N/A 68.0
 
Sept. 14, 2019, 7 p.m. 11.0 ppb (10) 1.4 ppb (1) N/A 10.0 ppb (9) N/A N/A 75.0 ppb (58) 0.31 ppb (3) N/A N/A 58.0
 
Sept. 14, 2019, 6 p.m. 17.4 ppb (16) 2.9 ppb (3) N/A 15.0 ppb (14) N/A N/A 57.0 ppb (44) 0.35 ppb (4) N/A N/A 44.0
 
Sept. 14, 2019, 5 p.m. 17.7 ppb (16) 3.5 ppb (3) N/A 14.0 ppb (13) N/A N/A 47.0 ppb (36) 0.35 ppb (4) N/A N/A 36.0
 
Sept. 14, 2019, 4 p.m. 19.7 ppb (18) 5.3 ppb (5) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) 0.36 ppb (4) N/A N/A 23.0
 
Sept. 14, 2019, 3 p.m. 20.8 ppb (19) 6.7 ppb (6) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A N/A 19.0
 
Sept. 14, 2019, 2 p.m. 28.3 ppb (26) 12.1 ppb (11) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A N/A 26.0
 
Sept. 14, 2019, 1 p.m. 23.3 ppb (22) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A -2.0 ppb (0) 0.39 ppb (4) N/A N/A 22.0
 
Sept. 14, 2019, noon 17.4 ppb (16) 3.0 ppb (3) N/A 14.0 ppb (13) N/A N/A 3.0 ppb (2) 0.27 ppb (3) N/A N/A 16.0
 
Sept. 14, 2019, 11 a.m. 28.1 ppb (26) 5.1 ppb (5) N/A 23.0 ppb (21) N/A N/A -2.0 ppb (0) 0.36 ppb (4) N/A N/A 26.0
 
Sept. 14, 2019, 10 a.m. 31.0 ppb (29) 6.1 ppb (6) N/A 25.0 ppb (23) N/A N/A -1.0 ppb (0) 0.3 ppb (3) N/A N/A 29.0
 
Sept. 14, 2019, 9 a.m. 29.8 ppb (28) 5.4 ppb (5) N/A 24.0 ppb (22) N/A N/A -2.0 ppb (0) 0.37 ppb (4) N/A N/A 28.0
 
Sept. 14, 2019, 8 a.m. 21.1 ppb (20) 2.1 ppb (2) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.35 ppb (4) N/A N/A 20.0
 
Sept. 14, 2019, 7 a.m. 23.7 ppb (22) 2.1 ppb (2) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.4 ppb (4) N/A N/A 22.0
 
Sept. 14, 2019, 6 a.m. 21.1 ppb (20) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 8.0 ppb (6) 0.3 ppb (3) N/A N/A 20.0
 
Sept. 14, 2019, 5 a.m. 18.9 ppb (18) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A N/A 18.0
 
Sept. 14, 2019, 4 a.m. 23.1 ppb (21) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A N/A 21.0
 
Sept. 14, 2019, 3 a.m. 22.8 ppb (21) 0.8 ppb (1) N/A 22.0 ppb (20) N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A N/A 21.0
 
Sept. 14, 2019, 2 a.m. 20.8 ppb (19) 0.5 ppb (0) N/A 20.0 ppb (19) N/A N/A 34.0 ppb (26) 0.24 ppb (3) N/A N/A 26.0
 
Sept. 14, 2019, 1 a.m. 18.2 ppb (17) 0.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 46.0 ppb (35) 0.21 ppb (2) N/A N/A 35.0
 
Sept. 14, 2019, midnight 11.5 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 65.0 ppb (50) 0.21 ppb (2) N/A N/A 50.0
 
Sept. 13, 2019, 11 p.m. 12.3 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 81.0 ppb (63) 0.24 ppb (3) N/A N/A 63.0
 
Sept. 13, 2019, 10 p.m. 14.7 ppb (14) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 88.0 ppb (69) 0.27 ppb (3) N/A N/A 69.0
 
Sept. 13, 2019, 9 p.m. 20.4 ppb (19) 2.3 ppb (2) N/A 18.0 ppb (17) N/A N/A 79.0 ppb (62) 0.34 ppb (4) N/A N/A 62.0
 
Sept. 13, 2019, 8 p.m. 36.2 ppb (34) 4.9 ppb (5) N/A 31.0 ppb (29) N/A N/A 71.0 ppb (55) 0.47 ppb (5) N/A N/A 55.0
 
Sept. 13, 2019, 7 p.m. 48.1 ppb (45) 8.4 ppb (8) N/A 40.0 ppb (37) N/A N/A 57.0 ppb (44) 0.55 ppb (6) N/A N/A 45.0
 
Sept. 13, 2019, 6 p.m. 53.5 ppb (50) 12.7 ppb (12) N/A 41.0 ppb (38) N/A N/A 38.0 ppb (29) 0.54 ppb (6) N/A N/A 50.0
 
Sept. 13, 2019, 5 p.m. 41.3 ppb (38) 12.1 ppb (11) N/A 29.0 ppb (27) N/A N/A 29.0 ppb (22) 0.48 ppb (5) N/A N/A 38.0
 
Sept. 13, 2019, 4 p.m. 51.3 ppb (48) 19.6 ppb (18) N/A 32.0 ppb (30) N/A N/A 17.0 ppb (13) 0.54 ppb (6) N/A N/A 48.0
 
Sept. 13, 2019, 3 p.m. 68.9 ppb (66) 37.7 ppb (35) N/A 31.0 ppb (29) N/A N/A 5.0 ppb (4) 0.72 ppb (8) N/A N/A 66.0
 
Sept. 13, 2019, 2 p.m. 81.3 ppb (79) 58.1 ppb (54) N/A 23.0 ppb (21) N/A N/A -1.0 ppb (0) 0.96 ppb (11) N/A N/A 79.0
 
Sept. 13, 2019, 1 p.m. 51.0 ppb (47) 33.3 ppb (31) N/A 18.0 ppb (17) N/A N/A -3.0 ppb (0) 0.74 ppb (8) N/A N/A 47.0
 
Sept. 13, 2019, noon 35.6 ppb (33) 20.4 ppb (19) N/A 15.0 ppb (14) N/A N/A -3.0 ppb (0) 0.48 ppb (5) N/A N/A 33.0
 
Sept. 13, 2019, 11 a.m. 26.5 ppb (25) 10.6 ppb (10) N/A 16.0 ppb (15) N/A N/A -2.0 ppb (0) 0.42 ppb (5) N/A N/A 25.0
 
Sept. 13, 2019, 10 a.m. 18.1 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A -1.0 ppb (0) 0.24 ppb (3) N/A N/A 17.0
 
Sept. 13, 2019, 9 a.m. 14.9 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.23 ppb (3) N/A N/A 14.0
 
Sept. 13, 2019, 8 a.m. 15.5 ppb (14) 1.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.21 ppb (2) N/A N/A 14.0
 
Sept. 13, 2019, 7 a.m. 18.4 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.29 ppb (3) N/A N/A 17.0
 
Sept. 13, 2019, 6 a.m. 18.6 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.29 ppb (3) N/A N/A 17.0
 
Sept. 13, 2019, 5 a.m. 17.2 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.28 ppb (3) N/A N/A 16.0
 
Sept. 13, 2019, 4 a.m. 16.9 ppb (16) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A N/A 16.0
 
Sept. 13, 2019, 3 a.m. 16.2 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) 0.22 ppb (2) N/A N/A 15.0
 
Sept. 13, 2019, 2 a.m. 15.4 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.21 ppb (2) N/A N/A 18.0
 
Sept. 13, 2019, 1 a.m. 16.4 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A N/A 22.0
 
Sept. 13, 2019, midnight 15.1 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (12) N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A N/A 31.0
 
Sept. 12, 2019, 11 p.m. 12.8 ppb (12) 1.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 57.0 ppb (44) 0.2 ppb (2) N/A N/A 44.0
 
Sept. 12, 2019, 10 p.m. 11.9 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 78.0 ppb (61) 0.22 ppb (2) N/A N/A 61.0
 
Sept. 12, 2019, 9 p.m. 19.2 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 74.0 ppb (57) 0.28 ppb (3) N/A N/A 57.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 74.0 ppb (57) 0.35 ppb (4) N/A N/A 57.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.36 ppb (4) N/A N/A 46.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.33 ppb (4) N/A N/A 35.0
 
Sept. 12, 2019, 5 p.m. 19.9 ppb (18) 4.8 ppb (4) N/A 15.0 ppb (14) N/A N/A 38.0 ppb (29) 0.3 ppb (3) N/A N/A 29.0
 
Sept. 12, 2019, 4 p.m. 23.4 ppb (22) 6.9 ppb (6) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A N/A 22.0