AQSQID: 060712002

Site Name: Fontana - Arrow Highway

Location: Fontana, CA

Reporting: True, Located: True

Current AQI: 53.0

Fontana CA, US: 34.0994, -117.5047

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 3 p.m. 56.5 ppb (53) 39.0 ppb (36) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.89 ppb (10) N/A N/A 53.0
 
Jan. 19, 2019, 2 p.m. 40.3 ppb (37) 22.8 ppb (21) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A N/A 37.0
 
Jan. 19, 2019, 1 p.m. 26.7 ppb (25) 9.9 ppb (9) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (2) 0.36 ppb (4) N/A N/A 25.0
 
Jan. 19, 2019, noon 33.0 ppb (31) 15.9 ppb (15) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 2.0 ppb (2) 0.43 ppb (5) N/A N/A 31.0
 
Jan. 19, 2019, 11 a.m. 29.2 ppb (27) 11.7 ppb (11) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.38 ppb (4) N/A N/A 27.0
 
Jan. 19, 2019, 10 a.m. 35.4 ppb (33) 16.8 ppb (16) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 2.0 ppb (2) 0.47 ppb (5) N/A N/A 33.0
 
Jan. 19, 2019, 9 a.m. 43.0 ppb (40) 22.8 ppb (21) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.63 ppb (7) N/A N/A 40.0
 
Jan. 19, 2019, 8 a.m. 52.7 ppb (49) 32.6 ppb (30) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.71 ppb (8) N/A N/A 49.0
 
Jan. 19, 2019, 7 a.m. 55.9 ppb (52) 35.2 ppb (33) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.69 ppb (8) N/A N/A 52.0
 
Jan. 19, 2019, 6 a.m. 53.1 ppb (49) 32.1 ppb (30) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.72 ppb (8) N/A N/A 49.0
 
Jan. 19, 2019, 5 a.m. 35.6 ppb (33) 14.7 ppb (14) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.53 ppb (6) N/A N/A 33.0
 
Jan. 19, 2019, 4 a.m. 46.5 ppb (43) 25.8 ppb (24) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.58 ppb (6) N/A N/A 43.0
 
Jan. 19, 2019, 3 a.m. 50.2 ppb (46) 32.7 ppb (30) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 3.0 ppb (2) 0.74 ppb (8) N/A N/A 46.0
 
Jan. 19, 2019, 2 a.m. 31.5 ppb (29) 12.6 ppb (12) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.45 ppb (5) N/A N/A 29.0
 
Jan. 19, 2019, 1 a.m. 22.3 ppb (21) 3.8 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (8) 0.35 ppb (4) N/A N/A 21.0
 
Jan. 19, 2019, midnight 18.1 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) N/A N/A 17.0
 
Jan. 18, 2019, 11 p.m. 18.6 ppb (17) 4.9 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) N/A N/A 18.0
 
Jan. 18, 2019, 10 p.m. 17.5 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 18, 2019, 9 p.m. 18.2 ppb (17) 5.7 ppb (5) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) N/A N/A 22.0
 
Jan. 18, 2019, 8 p.m. 17.0 ppb (16) 5.8 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) N/A N/A 22.0
 
Jan. 18, 2019, 7 p.m. 21.4 ppb (20) 6.6 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) N/A N/A 20.0
 
Jan. 18, 2019, 6 p.m. 23.2 ppb (21) 8.0 ppb (7) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 18, 2019, 5 p.m. 52.7 ppb (49) 26.3 ppb (24) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 8.0 ppb (6) 0.4 ppb (4) N/A N/A 49.0
 
Jan. 18, 2019, 4 p.m. 32.8 ppb (30) 15.2 ppb (14) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 11.0 ppb (8) 0.4 ppb (4) N/A N/A 30.0
 
Jan. 18, 2019, 3 p.m. 52.3 ppb (48) 30.8 ppb (29) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.72 ppb (8) N/A N/A 48.0
 
Jan. 18, 2019, 2 p.m. 33.4 ppb (31) 11.4 ppb (11) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 3.0 ppb (2) 0.37 ppb (4) N/A N/A 31.0
 
Jan. 18, 2019, 1 p.m. 23.0 ppb (21) 4.6 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (6) 0.23 ppb (3) N/A N/A 21.0
 
Jan. 18, 2019, noon 24.5 ppb (23) 5.2 ppb (5) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 9.0 ppb (7) 0.32 ppb (4) N/A N/A 23.0
 
Jan. 18, 2019, 11 a.m. 18.2 ppb (17) 2.2 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 11.0 ppb (8) 0.16 ppb (2) N/A N/A 17.0
 
Jan. 18, 2019, 10 a.m. 8.8 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) N/A N/A 16.0
 
Jan. 18, 2019, 9 a.m. 9.3 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A N/A 18.0
 
Jan. 18, 2019, 8 a.m. 14.2 ppb (13) 2.5 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
Jan. 18, 2019, 7 a.m. 18.0 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A N/A 17.0
 
Jan. 18, 2019, 6 a.m. 18.3 ppb (17) 3.6 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A N/A 17.0
 
Jan. 18, 2019, 5 a.m. 14.8 ppb (14) 2.3 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
Jan. 18, 2019, 4 a.m. 16.2 ppb (15) 2.7 ppb (3) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.17 ppb (2) N/A N/A 15.0
 
Jan. 18, 2019, 3 a.m. 18.1 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A N/A 17.0
 
Jan. 18, 2019, 2 a.m. 19.8 ppb (18) 3.6 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 15.0 ppb (12) 0.16 ppb (2) N/A N/A 18.0
 
Jan. 18, 2019, 1 a.m. 14.5 ppb (13) 2.6 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) N/A N/A 15.0
 
Jan. 18, 2019, midnight 13.8 ppb (13) 2.6 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.11 ppb (1) N/A N/A 16.0
 
Jan. 17, 2019, 11 p.m. 16.2 ppb (15) 4.3 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 17, 2019, 10 p.m. 14.7 ppb (14) 4.1 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A N/A 16.0
 
Jan. 17, 2019, 9 p.m. 12.6 ppb (12) 4.4 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.07 ppb (1) N/A N/A 19.0
 
Jan. 17, 2019, 8 p.m. 11.4 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.07 ppb (1) N/A N/A 19.0
 
Jan. 17, 2019, 7 p.m. 23.5 ppb (22) 6.9 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A N/A 22.0
 
Jan. 17, 2019, 6 p.m. 30.9 ppb (29) 8.3 ppb (8) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 29.0
 
Jan. 17, 2019, 5 p.m. 40.7 ppb (38) 14.2 ppb (13) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 7.0 ppb (5) 0.25 ppb (3) N/A N/A 38.0
 
Jan. 17, 2019, 4 p.m. 41.0 ppb (38) 15.4 ppb (14) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (5) 0.2 ppb (2) N/A N/A 38.0
 
Jan. 17, 2019, 3 p.m. 21.0 ppb (19) 3.4 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 17, 2019, 2 p.m. 30.8 ppb (29) 8.9 ppb (8) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 8.0 ppb (6) 0.15 ppb (2) N/A N/A 29.0
 
Jan. 17, 2019, 1 p.m. 30.4 ppb (28) 9.6 ppb (9) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 9.0 ppb (7) 0.14 ppb (2) N/A N/A 28.0
 
Jan. 17, 2019, noon 16.8 ppb (16) 2.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.14 ppb (2) N/A N/A 16.0
 
Jan. 17, 2019, 11 a.m. 16.3 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) N/A N/A 15.0
 
Jan. 17, 2019, 10 a.m. 11.9 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) 0.13 ppb (1) N/A N/A 14.0
 
Jan. 17, 2019, 9 a.m. 10.3 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.11 ppb (1) N/A N/A 18.0
 
Jan. 17, 2019, 8 a.m. 8.7 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 17, 2019, 7 a.m. 11.3 ppb (10) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) N/A N/A 17.0
 
Jan. 17, 2019, 6 a.m. 14.4 ppb (13) 2.0 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) N/A N/A 15.0
 
Jan. 17, 2019, 5 a.m. 21.5 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) N/A N/A 20.0
 
Jan. 17, 2019, 4 a.m. 17.8 ppb (16) 2.2 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 17, 2019, 3 a.m. 32.2 ppb (30) 4.7 ppb (4) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A N/A 30.0
 
Jan. 17, 2019, 2 a.m. 28.1 ppb (26) 4.1 ppb (4) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) N/A N/A 26.0
 
Jan. 17, 2019, 1 a.m. 14.9 ppb (14) 1.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
Jan. 17, 2019, midnight 13.0 ppb (12) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) N/A N/A 16.0
 
Jan. 16, 2019, 11 p.m. 11.8 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 10 p.m. 9.7 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.11 ppb (1) N/A N/A 21.0
 
Jan. 16, 2019, 9 p.m. 12.2 ppb (11) 3.5 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 16, 2019, 8 p.m. 11.4 ppb (11) 3.3 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A N/A 23.0
 
Jan. 16, 2019, 7 p.m. 17.8 ppb (16) 4.7 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A N/A 18.0
 
Jan. 16, 2019, 6 p.m. 18.8 ppb (17) 5.1 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 5 p.m. 21.2 ppb (20) 5.1 ppb (5) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A N/A 20.0
 
Jan. 16, 2019, 4 p.m. 38.4 ppb (36) 11.5 ppb (11) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 7.0 ppb (5) 0.24 ppb (3) N/A N/A 36.0
 
Jan. 16, 2019, 3 p.m. 26.7 ppb (25) 5.4 ppb (5) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.27 ppb (3) N/A N/A 25.0
 
Jan. 16, 2019, 2 p.m. 16.3 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) N/A N/A 15.0
 
Jan. 16, 2019, 1 p.m. 18.9 ppb (18) 1.8 ppb (2) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 16.0 ppb (12) 0.33 ppb (4) N/A N/A 18.0
 
Jan. 16, 2019, noon 10.6 ppb (10) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A N/A 18.0
 
Jan. 16, 2019, 11 a.m. 6.4 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.09 ppb (1) N/A N/A 22.0
 
Jan. 16, 2019, 10 a.m. 6.4 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.09 ppb (1) N/A N/A 23.0
 
Jan. 16, 2019, 9 a.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.08 ppb (1) N/A N/A 26.0
 
Jan. 16, 2019, 8 a.m. 3.0 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.07 ppb (1) N/A N/A 28.0
 
Jan. 16, 2019, 7 a.m. 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.08 ppb (1) N/A N/A 28.0
 
Jan. 16, 2019, 6 a.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A N/A 27.0
 
Jan. 16, 2019, 5 a.m. 13.9 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
Jan. 16, 2019, 4 a.m. 12.8 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 3 a.m. 16.5 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
Jan. 16, 2019, 2 a.m. 15.6 ppb (14) 1.5 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 1 a.m. 12.2 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) N/A N/A 23.0
 
Jan. 16, 2019, midnight 15.9 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) N/A N/A 20.0
 
Jan. 15, 2019, 11 p.m. 10.9 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 10 p.m. 12.5 ppb (12) 2.5 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) N/A N/A 28.0
 
Jan. 15, 2019, 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. 15, 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
Jan. 15, 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
Jan. 15, 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
Jan. 15, 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
Jan. 15, 2019, 4 p.m. 54.1 ppb (50) 26.0 ppb (24) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 4.0 ppb (3) 0.49 ppb (5) N/A N/A 50.0
 
Jan. 15, 2019, 3 p.m. 62.9 ppb (59) 36.0 ppb (33) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 0.64 ppb (7) N/A N/A 59.0
 
Jan. 15, 2019, 2 p.m. 76.6 ppb (74) 52.4 ppb (49) N/A 24.0 ppb (22) N/A 1.0 ppb (1) 2.0 ppb (2) 0.72 ppb (8) N/A N/A 74.0
 
Jan. 15, 2019, 1 p.m. 32.6 ppb (30) 11.2 ppb (10) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (4) N/A N/A 30.0
 
Jan. 15, 2019, noon 21.9 ppb (20) 3.8 ppb (4) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 6.0 ppb (5) 2.18 ppb (24) N/A N/A 24.0
 
Jan. 15, 2019, 11 a.m. 11.4 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) N/A N/A 13.0
 
Jan. 15, 2019, 10 a.m. 11.8 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) 0.1 ppb (1) N/A N/A 14.0
 
Jan. 15, 2019, 9 a.m. 11.1 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.07 ppb (1) N/A N/A 16.0
 
Jan. 15, 2019, 8 a.m. 12.2 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.08 ppb (1) N/A N/A 16.0
 
Jan. 15, 2019, 7 a.m. 16.2 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.13 ppb (1) N/A N/A 15.0
 
Jan. 15, 2019, 6 a.m. 11.3 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A N/A 18.0
 
Jan. 15, 2019, 5 a.m. 12.5 ppb (12) 1.6 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 15, 2019, 4 a.m. 9.6 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A N/A 21.0
 
Jan. 15, 2019, 3 a.m. 11.1 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.08 ppb (1) N/A N/A 20.0
 
Jan. 15, 2019, 2 a.m. 10.3 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.06 ppb (1) N/A N/A 21.0
 
Jan. 15, 2019, 1 a.m. 16.5 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) 0.11 ppb (1) N/A N/A 17.0
 
Jan. 15, 2019, midnight 14.6 ppb (14) 2.2 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 14, 2019, 11 p.m. 16.9 ppb (16) 2.9 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A N/A 18.0
 
Jan. 14, 2019, 10 p.m. 12.0 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) 0.08 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, 9 p.m. 12.9 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (22) 0.08 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, 8 p.m. 14.7 ppb (14) 2.5 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 25.0 ppb (19) 0.09 ppb (1) N/A N/A 19.0
 
Jan. 14, 2019, 7 p.m. 33.8 ppb (31) 9.7 ppb (9) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) N/A N/A 31.0
 
Jan. 14, 2019, 6 p.m. 17.2 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, 5 p.m. 15.6 ppb (14) 3.7 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, 4 p.m. 51.6 ppb (48) 23.3 ppb (22) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 9.0 ppb (7) 0.36 ppb (4) N/A N/A 48.0
 
Jan. 14, 2019, 3 p.m. 17.4 ppb (16) 2.8 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) N/A N/A 17.0
 
Jan. 14, 2019, 2 p.m. 15.5 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 1 p.m. 13.3 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 24.0 ppb (18) 0.09 ppb (1) N/A N/A 18.0
 
Jan. 14, 2019, noon 18.4 ppb (17) 3.1 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) 0.14 ppb (2) N/A N/A 17.0
 
Jan. 14, 2019, 11 a.m. 17.1 ppb (16) 2.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.15 ppb (2) N/A N/A 16.0
 
Jan. 14, 2019, 10 a.m. 17.8 ppb (16) 3.5 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (10) 0.14 ppb (2) N/A N/A 16.0
 
Jan. 14, 2019, 9 a.m. 19.6 ppb (18) 2.9 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 8 a.m. 24.6 ppb (23) 5.1 ppb (5) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (5) 0.24 ppb (3) N/A N/A 23.0
 
Jan. 14, 2019, 7 a.m. 19.7 ppb (18) 3.4 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) N/A N/A 18.0
 
Jan. 14, 2019, 6 a.m. 13.8 ppb (13) 2.4 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) N/A N/A 16.0
 
Jan. 14, 2019, 5 a.m. 22.7 ppb (21) 5.0 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) N/A N/A 21.0
 
Jan. 14, 2019, 4 a.m. 32.1 ppb (30) 7.6 ppb (7) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 11.0 ppb (8) 0.28 ppb (3) N/A N/A 30.0
 
Jan. 14, 2019, 3 a.m. 12.8 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) N/A N/A 20.0
 
Jan. 14, 2019, 2 a.m. 17.9 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (17) 0.27 ppb (3) N/A N/A 17.0
 
Jan. 14, 2019, 1 a.m. 12.9 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) N/A N/A 22.0
 
Jan. 14, 2019, midnight 12.4 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) N/A N/A 24.0
 
Jan. 13, 2019, 11 p.m. 4.6 ppb (4) 1.4 ppb (1) 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. 13, 2019, 10 p.m. 4.4 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.06 ppb (1) N/A N/A 30.0
 
Jan. 13, 2019, 9 p.m. 5.7 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.08 ppb (1) N/A N/A 29.0
 
Jan. 13, 2019, 8 p.m. 15.1 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A N/A 23.0
 
Jan. 13, 2019, 7 p.m. 21.9 ppb (20) 9.1 ppb (8) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) N/A N/A 20.0
 
Jan. 13, 2019, 6 p.m. 19.9 ppb (18) 8.3 ppb (8) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
Jan. 13, 2019, 5 p.m. 14.2 ppb (13) 5.8 ppb (5) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A N/A 20.0
 
Jan. 13, 2019, 5 a.m. 29.5 ppb (27) 5.8 ppb (5) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 8.0 ppb (6) 0.49 ppb (5) N/A N/A 27.0
 
Jan. 13, 2019, 4 a.m. 39.1 ppb (36) 11.5 ppb (11) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 3.0 ppb (2) 0.66 ppb (7) N/A N/A 36.0
 
Jan. 13, 2019, 3 a.m. 32.2 ppb (30) 6.3 ppb (6) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (5) 0.52 ppb (6) N/A N/A 30.0
 
Jan. 13, 2019, 2 a.m. 25.7 ppb (24) 3.5 ppb (3) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 11.0 ppb (8) 0.38 ppb (4) N/A N/A 24.0
 
Jan. 13, 2019, 1 a.m. 18.3 ppb (17) 2.1 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) N/A N/A 20.0
 
Jan. 13, 2019, midnight 10.6 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
Jan. 12, 2019, 11 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 42.0 ppb (32) 0.09 ppb (1) N/A N/A 32.0
 
Jan. 12, 2019, 10 p.m. 9.6 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.09 ppb (1) N/A N/A 28.0
 
Jan. 12, 2019, 9 p.m. 6.9 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.06 ppb (1) N/A N/A 30.0
 
Jan. 12, 2019, 8 p.m. 9.1 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.08 ppb (1) N/A N/A 27.0
 
Jan. 12, 2019, 7 p.m. 6.4 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.07 ppb (1) N/A N/A 28.0
 
Jan. 12, 2019, 6 p.m. 8.9 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 35.0 ppb (27) 0.07 ppb (1) N/A N/A 27.0
 
Jan. 12, 2019, 5 p.m. 12.7 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) N/A N/A 20.0
 
Jan. 12, 2019, 4 p.m. 14.9 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) N/A N/A 18.0
 
Jan. 12, 2019, 3 p.m. 11.9 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A N/A 21.0
 
Jan. 12, 2019, 2 p.m. 8.1 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 12, 2019, 1 p.m. 6.3 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.05 ppb (1) N/A N/A 25.0
 
Jan. 12, 2019, noon 10.3 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) N/A N/A 22.0
 
Jan. 12, 2019, 11 a.m. 21.2 ppb (20) 3.3 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) N/A N/A 20.0
 
Jan. 12, 2019, 10 a.m. 47.0 ppb (44) 18.0 ppb (17) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (2) 0.47 ppb (5) N/A N/A 44.0
 
Jan. 12, 2019, 9 a.m. 30.8 ppb (29) 6.4 ppb (6) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) N/A N/A 29.0
 
Jan. 12, 2019, 8 a.m. 39.2 ppb (36) 10.8 ppb (10) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 4.0 ppb (3) 0.42 ppb (5) N/A N/A 36.0
 
Jan. 12, 2019, 7 a.m. 54.9 ppb (51) 24.2 ppb (22) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 2.0 ppb (2) 0.71 ppb (8) N/A N/A 51.0
 
Jan. 12, 2019, 6 a.m. 65.7 ppb (62) 33.2 ppb (31) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 2.0 ppb (2) 0.72 ppb (8) N/A N/A 62.0
 
Jan. 12, 2019, 5 a.m. 85.7 ppb (84) 54.0 ppb (50) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 3.0 ppb (2) 0.82 ppb (9) N/A N/A 84.0