AQSQID: 060371103

Site Name: Los Angeles - N. Main Street

Location: LA (Chavez Ravine Place), CA

Reporting: True, Located: True

Current AQI: 42.0

LA (Chavez Ravine Place) CA, US: 34.0669, -118.2417

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2019, 11 a.m. 17.4 ppb (16) 1.9 ppb (2) 16.0 ppb (15) 16.0 ppb (15) 14.3 ppb (13) 0.0 ppb (0) 3.0 ppb (2) 0.35 ppb (4) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 10 a.m. 18.2 ppb (17) 2.2 ppb (2) 19.1 ppb (18) 16.0 ppb (15) 17.3 ppb (16) 0.0 ppb (0) 4.0 ppb (3) 0.39 ppb (4) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 9 a.m. 36.0 ppb (33) 13.8 ppb (13) 32.9 ppb (30) 22.0 ppb (20) 20.2 ppb (19) 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (6) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 8 a.m. 36.3 ppb (34) 13.8 ppb (13) 29.7 ppb (28) 23.0 ppb (21) 23.1 ppb (21) 0.0 ppb (0) 3.0 ppb (2) 0.56 ppb (6) 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 7 a.m. 26.8 ppb (25) 3.9 ppb (4) 25.9 ppb (24) 23.0 ppb (21) 23.6 ppb (22) 0.0 ppb (0) 3.0 ppb (2) 0.57 ppb (6) 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Jan. 18, 2019, 6 a.m. 21.1 ppb (20) 1.5 ppb (1) 21.9 ppb (20) 20.0 ppb (19) 20.6 ppb (19) 0.0 ppb (0) 7.0 ppb (5) 0.44 ppb (5) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 5 a.m. 21.7 ppb (20) 3.7 ppb (3) 20.5 ppb (19) 18.0 ppb (17) 17.5 ppb (16) 0.0 ppb (0) 9.0 ppb (7) 0.4 ppb (4) 24.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 4 a.m. 16.1 ppb (15) 0.7 ppb (1) 16.3 ppb (15) 15.0 ppb (14) 15.6 ppb (14) 0.0 ppb (0) 13.0 ppb (10) 0.39 ppb (4) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2019, 3 a.m. 13.1 ppb (12) 0.3 ppb (0) 13.2 ppb (12) 13.0 ppb (12) 12.9 ppb (12) 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 2 a.m. 8.7 ppb (8) 0.2 ppb (0) 8.4 ppb (8) 9.0 ppb (8) 8.1 ppb (8) 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 19.0
 
Jan. 18, 2019, 1 a.m. 8.7 ppb (8) 0.2 ppb (0) 8.4 ppb (8) 9.0 ppb (8) 8.2 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 18.0
 
Jan. 18, 2019, midnight 10.8 ppb (10) 1.0 ppb (1) 10.6 ppb (10) 10.0 ppb (9) 9.5 ppb (9) 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, 11 p.m. 9.5 ppb (9) 1.4 ppb (1) 8.4 ppb (8) 8.0 ppb (7) 7.2 ppb (7) 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 19.0
 
Jan. 17, 2019, 10 p.m. 10.3 ppb (10) 1.7 ppb (2) 9.3 ppb (9) 9.0 ppb (8) 7.6 ppb (7) 0.0 ppb (0) 24.0 ppb (18) 0.25 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 17, 2019, 9 p.m. 9.0 ppb (8) 1.8 ppb (2) 7.9 ppb (7) 7.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 19.0
 
Jan. 17, 2019, 8 p.m. 11.2 ppb (10) 1.7 ppb (2) 10.6 ppb (10) 10.0 ppb (9) 8.8 ppb (8) 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 15.0
 
Jan. 17, 2019, 7 p.m. 16.8 ppb (16) 3.2 ppb (3) 16.9 ppb (16) 14.0 ppb (13) 13.4 ppb (12) 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 6 p.m. 20.7 ppb (19) 4.4 ppb (4) 21.2 ppb (20) 16.0 ppb (15) 15.9 ppb (15) 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 3.0 μg/m3 (3) 2.0 μg/m3 (8) 20.0
 
Jan. 17, 2019, 5 p.m. 16.2 ppb (15) 2.8 ppb (3) 16.4 ppb (15) 13.0 ppb (12) 13.2 ppb (12) 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 4 p.m. 20.2 ppb (19) 3.6 ppb (3) 19.6 ppb (18) 17.0 ppb (16) 15.8 ppb (15) 0.0 ppb (0) 16.0 ppb (12) 0.25 ppb (3) 3.0 μg/m3 (3) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 3 p.m. 18.8 ppb (17) 1.3 ppb (1) 19.2 ppb (18) 18.0 ppb (17) 17.5 ppb (16) 0.0 ppb (0) 15.0 ppb (12) 0.27 ppb (3) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, 2 p.m. 18.4 ppb (17) 1.9 ppb (2) 17.9 ppb (17) 17.0 ppb (16) 16.1 ppb (15) 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 1 p.m. 10.6 ppb (10) 0.1 ppb (0) 9.5 ppb (9) 11.0 ppb (10) 9.0 ppb (8) 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, noon 9.2 ppb (9) 0.2 ppb (0) 8.1 ppb (8) 9.0 ppb (8) 7.7 ppb (7) 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 11 a.m. 8.7 ppb (8) 0.0 ppb (0) 6.8 ppb (6) 9.0 ppb (8) 6.6 ppb (6) 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 10 a.m. 10.6 ppb (10) 0.6 ppb (1) 9.6 ppb (9) 10.0 ppb (9) 8.9 ppb (8) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2019, 9 a.m. 19.8 ppb (18) 1.6 ppb (1) 13.7 ppb (13) 18.0 ppb (17) 12.7 ppb (12) 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 8 a.m. 23.8 ppb (22) 1.6 ppb (1) 23.8 ppb (22) 22.0 ppb (20) 22.0 ppb (20) 0.0 ppb (0) 7.0 ppb (5) 0.31 ppb (3) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 7 a.m. 29.4 ppb (27) 4.8 ppb (4) 28.5 ppb (26) 25.0 ppb (23) 24.4 ppb (23) 0.0 ppb (0) 5.0 ppb (4) 0.36 ppb (4) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 6 a.m. 33.5 ppb (31) 6.5 ppb (6) 30.1 ppb (28) 27.0 ppb (25) 25.1 ppb (23) 0.0 ppb (0) 4.0 ppb (3) 0.35 ppb (4) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 5 a.m. 19.3 ppb (18) 1.0 ppb (1) 19.6 ppb (18) 18.0 ppb (17) 18.0 ppb (17) 0.0 ppb (0) 13.0 ppb (10) 0.28 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 4 a.m. 16.6 ppb (15) 1.1 ppb (1) 16.5 ppb (15) 16.0 ppb (15) 15.0 ppb (14) 0.0 ppb (0) 17.0 ppb (13) 0.29 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 3 a.m. 13.5 ppb (12) 0.4 ppb (0) 14.3 ppb (13) 13.0 ppb (12) 13.1 ppb (12) 0.0 ppb (0) 21.0 ppb (16) 0.26 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 16.0
 
Jan. 17, 2019, 2 a.m. 17.8 ppb (16) 1.2 ppb (1) 18.4 ppb (17) 17.0 ppb (16) 16.6 ppb (15) 0.0 ppb (0) 18.0 ppb (14) 0.28 ppb (3) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2019, 1 a.m. 17.7 ppb (16) 1.3 ppb (1) 17.8 ppb (16) 16.0 ppb (15) 16.5 ppb (15) 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, midnight 16.7 ppb (15) 1.9 ppb (2) 15.9 ppb (15) 15.0 ppb (14) 13.6 ppb (13) 0.0 ppb (0) 21.0 ppb (16) 0.27 ppb (3) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 16.0
 
Jan. 16, 2019, 11 p.m. 18.8 ppb (17) 3.0 ppb (3) 18.3 ppb (17) 16.0 ppb (15) 14.9 ppb (14) 0.0 ppb (0) 20.0 ppb (15) 0.28 ppb (3) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 10 p.m. 18.4 ppb (17) 2.8 ppb (3) 17.9 ppb (17) 16.0 ppb (15) 14.2 ppb (13) 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 17.0
 
Jan. 16, 2019, 9 p.m. 13.7 ppb (13) 2.0 ppb (2) 13.5 ppb (12) 12.0 ppb (11) 10.9 ppb (10) 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 18.0
 
Jan. 16, 2019, 8 p.m. 18.5 ppb (17) 3.7 ppb (3) 17.9 ppb (17) 15.0 ppb (14) 13.5 ppb (12) 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 7 p.m. 22.1 ppb (20) 5.9 ppb (5) 21.7 ppb (20) 16.0 ppb (15) 14.6 ppb (14) 0.0 ppb (0) 17.0 ppb (13) 0.25 ppb (3) 13.0 μg/m3 (12) 2.0 μg/m3 (8) 20.0
 
Jan. 16, 2019, 6 p.m. 34.9 ppb (32) 14.9 ppb (14) 33.5 ppb (31) 20.0 ppb (19) 19.9 ppb (18) 0.0 ppb (0) 12.0 ppb (9) 0.34 ppb (4) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 32.0
 
Jan. 16, 2019, 5 p.m. 30.6 ppb (28) 11.2 ppb (10) 31.0 ppb (29) 19.0 ppb (18) 19.9 ppb (18) 0.0 ppb (0) 13.0 ppb (10) 0.33 ppb (4) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 4 p.m. 33.1 ppb (31) 9.9 ppb (9) 31.6 ppb (29) 23.0 ppb (21) 20.7 ppb (19) 0.0 ppb (0) 10.0 ppb (8) 0.36 ppb (4) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 31.0
 
Jan. 16, 2019, 3 p.m. 35.3 ppb (33) 10.4 ppb (10) 34.8 ppb (32) 25.0 ppb (23) 23.7 ppb (22) 0.0 ppb (0) 8.0 ppb (6) 0.37 ppb (4) 6.0 μg/m3 (5) 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2019, 2 p.m. 11.2 ppb (10) 0.7 ppb (1) 10.2 ppb (9) 10.0 ppb (9) 8.7 ppb (8) 0.0 ppb (0) 22.0 ppb (17) 0.25 ppb (3) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 17.0
 
Jan. 16, 2019, 1 p.m. 11.4 ppb (11) 1.8 ppb (2) 10.3 ppb (10) 10.0 ppb (9) 7.3 ppb (7) 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 16, 2019, noon 4.7 ppb (4) -0.5 ppb (0) 4.0 ppb (4) 5.0 ppb (5) 3.8 ppb (4) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 11 a.m. 8.7 ppb (8) 0.3 ppb (0) 7.9 ppb (7) 8.0 ppb (7) 6.3 ppb (6) 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 10 a.m. 8.1 ppb (8) -0.1 ppb (0) 7.2 ppb (7) 8.0 ppb (7) 6.6 ppb (6) 0.0 ppb (0) 26.0 ppb (20) 0.18 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, 9 a.m. 15.8 ppb (15) 4.2 ppb (4) 13.5 ppb (12) 12.0 ppb (11) 8.1 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 8 a.m. 4.4 ppb (4) -0.6 ppb (0) 3.5 ppb (3) 5.0 ppb (5) 3.4 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.18 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 7 a.m. 6.4 ppb (6) -0.5 ppb (0) 5.4 ppb (5) 7.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 22.0
 
Jan. 16, 2019, 6 a.m. 12.2 ppb (11) 3.4 ppb (3) 10.6 ppb (10) 9.0 ppb (8) 7.4 ppb (7) 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2019, 5 a.m. 4.7 ppb (4) -0.4 ppb (0) 4.3 ppb (4) 5.0 ppb (5) 4.1 ppb (4) 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 4 a.m. 5.4 ppb (5) -0.3 ppb (0) 4.9 ppb (5) 6.0 ppb (6) 4.5 ppb (4) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 3 a.m. 7.8 ppb (7) 0.5 ppb (0) 7.3 ppb (7) 7.0 ppb (6) 6.5 ppb (6) 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 6.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 2 a.m. 7.3 ppb (7) 0.0 ppb (0) 6.6 ppb (6) 7.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Jan. 16, 2019, 1 a.m. 12.6 ppb (12) 0.2 ppb (0) 12.5 ppb (12) 12.0 ppb (11) 11.4 ppb (11) 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Jan. 16, 2019, midnight 16.2 ppb (15) 1.4 ppb (1) 15.9 ppb (15) 15.0 ppb (14) 13.4 ppb (12) 0.0 ppb (0) 26.0 ppb (20) 0.27 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 11 p.m. 18.6 ppb (17) 3.0 ppb (3) 17.3 ppb (16) 16.0 ppb (15) 14.0 ppb (13) 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 10 p.m. 18.8 ppb (17) 2.0 ppb (2) 18.6 ppb (17) 17.0 ppb (16) 15.7 ppb (15) 0.0 ppb (0) 23.0 ppb (18) 0.29 ppb (3) 16.0 μg/m3 (15) 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 9 p.m. 12.9 ppb (12) 1.3 ppb (1) 12.5 ppb (12) 12.0 ppb (11) 10.7 ppb (10) 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) 17.0 μg/m3 (15) 1.0 μg/m3 (4) 23.0
 
Jan. 15, 2019, 8 p.m. 26.6 ppb (25) 5.5 ppb (5) 27.3 ppb (25) 21.0 ppb (19) 21.1 ppb (20) 0.0 ppb (0) 18.0 ppb (14) 0.29 ppb (3) N/A N/A 25.0
 
Jan. 15, 2019, 7 p.m. 31.9 ppb (30) 10.7 ppb (10) 32.3 ppb (30) 21.0 ppb (19) 20.5 ppb (19) 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) N/A N/A 30.0
 
Jan. 15, 2019, 6 p.m. 32.4 ppb (30) 11.1 ppb (10) 31.9 ppb (30) 21.0 ppb (19) 19.0 ppb (18) 0.0 ppb (0) 15.0 ppb (12) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
Jan. 15, 2019, 5 p.m. 38.7 ppb (36) 14.5 ppb (13) 37.9 ppb (35) 23.0 ppb (21) 20.6 ppb (19) 0.0 ppb (0) 16.0 ppb (12) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 4 p.m. 32.1 ppb (30) 9.1 ppb (8) 31.2 ppb (29) 23.0 ppb (21) 23.0 ppb (21) 0.0 ppb (0) 11.0 ppb (8) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 30.0
 
Jan. 15, 2019, 3 p.m. 31.0 ppb (29) 8.7 ppb (8) 30.0 ppb (28) 22.0 ppb (20) 21.8 ppb (20) 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 2 p.m. 32.5 ppb (30) 9.7 ppb (9) 31.0 ppb (29) 23.0 ppb (21) 22.6 ppb (21) 0.0 ppb (0) 4.0 ppb (3) 0.31 ppb (3) 16.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, 1 p.m. 23.4 ppb (22) 2.4 ppb (2) 21.7 ppb (20) 21.0 ppb (19) 19.2 ppb (18) 0.0 ppb (0) 6.0 ppb (5) 0.28 ppb (3) 10.0 μg/m3 (9) 11.0 μg/m3 (46) 46.0
 
Jan. 15, 2019, noon 19.2 ppb (18) 1.3 ppb (1) 22.8 ppb (21) 18.0 ppb (17) 20.3 ppb (19) 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 11 a.m. 24.5 ppb (23) 2.3 ppb (2) 23.9 ppb (22) 22.0 ppb (20) 20.9 ppb (19) 0.0 ppb (0) 5.0 ppb (4) 0.31 ppb (3) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, 10 a.m. 10.1 ppb (9) -0.2 ppb (0) 9.4 ppb (9) 10.0 ppb (9) 9.3 ppb (9) 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 9 a.m. 15.6 ppb (14) 2.4 ppb (2) 14.4 ppb (13) 13.0 ppb (12) 11.4 ppb (11) 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 8 a.m. 18.8 ppb (17) 0.8 ppb (1) 18.2 ppb (17) 18.0 ppb (17) 17.1 ppb (16) 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 7 a.m. 14.8 ppb (14) -0.2 ppb (0) 15.1 ppb (14) 15.0 ppb (14) 14.8 ppb (14) 0.0 ppb (0) 15.0 ppb (12) 0.29 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 6 a.m. 18.8 ppb (17) 0.9 ppb (1) 17.7 ppb (16) 18.0 ppb (17) 16.5 ppb (15) 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 5 a.m. 13.9 ppb (13) 1.7 ppb (2) 14.2 ppb (13) 12.0 ppb (11) 11.3 ppb (10) 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 4 a.m. 9.6 ppb (9) 0.2 ppb (0) 9.1 ppb (8) 9.0 ppb (8) 8.5 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 3 a.m. 11.1 ppb (10) 1.0 ppb (1) 10.8 ppb (10) 10.0 ppb (9) 9.1 ppb (8) 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, 2 a.m. 15.2 ppb (14) 1.3 ppb (1) 14.3 ppb (13) 14.0 ppb (13) 12.4 ppb (11) 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 7.0 μg/m3 (6) 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 1 a.m. 19.4 ppb (18) 2.3 ppb (2) 18.7 ppb (17) 17.0 ppb (16) 16.1 ppb (15) 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2019, midnight 19.2 ppb (18) 2.7 ppb (3) 18.3 ppb (17) 16.0 ppb (15) 15.1 ppb (14) 0.0 ppb (0) 19.0 ppb (15) 0.26 ppb (3) 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 11 p.m. 25.2 ppb (23) 5.3 ppb (5) 24.2 ppb (22) 20.0 ppb (19) 19.7 ppb (18) 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) 10.0 μg/m3 (9) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 10 p.m. 26.5 ppb (25) 5.7 ppb (5) 25.9 ppb (24) 21.0 ppb (19) 19.4 ppb (18) 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 9 p.m. 17.2 ppb (16) 2.9 ppb (3) 16.1 ppb (15) 14.0 ppb (13) 13.0 ppb (12) 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 9.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 8 p.m. 15.7 ppb (15) 2.3 ppb (2) 15.1 ppb (14) 13.0 ppb (12) 12.2 ppb (11) 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 7 p.m. 21.7 ppb (20) 3.2 ppb (3) 21.7 ppb (20) 19.0 ppb (18) 17.2 ppb (16) 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 6 p.m. 17.6 ppb (16) 3.4 ppb (3) 16.6 ppb (15) 14.0 ppb (13) 12.7 ppb (12) 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 5 p.m. 18.3 ppb (17) 5.9 ppb (5) 16.7 ppb (15) 12.0 ppb (11) 11.1 ppb (10) 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 4 p.m. 26.8 ppb (25) 5.0 ppb (5) 26.1 ppb (24) 22.0 ppb (20) 20.9 ppb (19) 0.0 ppb (0) 15.0 ppb (12) 0.32 ppb (4) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 3 p.m. 30.6 ppb (28) 5.4 ppb (5) 30.0 ppb (28) 25.0 ppb (23) 24.4 ppb (23) 0.0 ppb (0) 12.0 ppb (9) 0.35 ppb (4) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 28.0
 
Jan. 14, 2019, 2 p.m. 16.5 ppb (15) 1.3 ppb (1) 15.3 ppb (14) 15.0 ppb (14) 13.4 ppb (12) 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 1 p.m. 12.7 ppb (12) 0.3 ppb (0) 11.4 ppb (11) 12.0 ppb (11) 10.3 ppb (10) 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, noon 9.2 ppb (9) 0.3 ppb (0) 7.9 ppb (7) 9.0 ppb (8) 6.4 ppb (6) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 20.0
 
Jan. 14, 2019, 11 a.m. 3.7 ppb (3) -0.6 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 20.0 μg/m3 (18) 2.0 μg/m3 (8) 24.0
 
Jan. 14, 2019, 10 a.m. 3.1 ppb (3) -0.6 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 24.0
 
Jan. 14, 2019, 9 a.m. 7.4 ppb (7) -0.4 ppb (0) 5.2 ppb (5) 8.0 ppb (7) 5.2 ppb (5) 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 8 a.m. 15.2 ppb (14) 0.1 ppb (0) 18.9 ppb (18) 15.0 ppb (14) 18.7 ppb (17) 0.0 ppb (0) 16.0 ppb (12) 0.33 ppb (4) 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 7 a.m. 31.2 ppb (29) 3.0 ppb (3) 33.9 ppb (31) 28.0 ppb (26) 30.0 ppb (28) 0.0 ppb (0) 4.0 ppb (3) 0.53 ppb (6) 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 14, 2019, 6 a.m. 45.0 ppb (42) 14.4 ppb (13) 46.1 ppb (43) 31.0 ppb (29) 33.8 ppb (31) 0.0 ppb (0) 1.0 ppb (1) 0.78 ppb (9) 30.0 μg/m3 (27) 19.0 μg/m3 (65) 65.0
 
Jan. 14, 2019, 5 a.m. 61.8 ppb (58) 31.0 ppb (29) 59.3 ppb (56) 31.0 ppb (29) 32.7 ppb (30) 0.0 ppb (0) 1.0 ppb (1) 0.88 ppb (10) 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
Jan. 14, 2019, 4 a.m. 52.2 ppb (48) 20.9 ppb (19) 54.5 ppb (51) 31.0 ppb (29) 33.5 ppb (31) 0.0 ppb (0) 1.0 ppb (1) 0.82 ppb (9) 24.0 μg/m3 (22) 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 3 a.m. 31.6 ppb (29) 3.3 ppb (3) 31.2 ppb (29) 28.0 ppb (26) 28.4 ppb (26) 0.0 ppb (0) 6.0 ppb (5) 0.59 ppb (7) 19.0 μg/m3 (17) 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2019, 2 a.m. 26.6 ppb (25) 1.1 ppb (1) 25.4 ppb (24) 26.0 ppb (24) 24.4 ppb (23) 0.0 ppb (0) 11.0 ppb (8) 0.54 ppb (6) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 1 a.m. 20.0 ppb (19) 0.1 ppb (0) 19.2 ppb (18) 20.0 ppb (19) 18.8 ppb (17) 0.0 ppb (0) 20.0 ppb (15) 0.43 ppb (5) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, midnight 11.6 ppb (11) -0.3 ppb (0) 9.4 ppb (9) 12.0 ppb (11) 9.1 ppb (8) 0.0 ppb (0) 31.0 ppb (24) 0.28 ppb (3) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 24.0
 
Jan. 13, 2019, 11 p.m. 11.8 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (25) 0.27 ppb (3) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 25.0
 
Jan. 13, 2019, 10 p.m. 10.4 ppb (10) 0.5 ppb (0) 10.2 ppb (9) 10.0 ppb (9) 8.7 ppb (8) 0.0 ppb (0) 32.0 ppb (25) 0.25 ppb (3) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2019, 9 p.m. 7.8 ppb (7) 0.6 ppb (1) 7.6 ppb (7) 7.0 ppb (6) 6.3 ppb (6) 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2019, 8 p.m. 7.5 ppb (7) 0.6 ppb (1) 7.4 ppb (7) 7.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 25.0
 
Jan. 13, 2019, 7 p.m. 6.9 ppb (6) 1.1 ppb (1) 6.5 ppb (6) 6.0 ppb (6) 4.6 ppb (4) 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 26.0
 
Jan. 13, 2019, 6 p.m. 13.7 ppb (13) 4.2 ppb (4) 11.7 ppb (11) 9.0 ppb (8) 7.5 ppb (7) 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 5 p.m. 27.6 ppb (26) 11.3 ppb (10) 29.0 ppb (27) 16.0 ppb (15) 16.1 ppb (15) 0.0 ppb (0) 13.0 ppb (10) 0.42 ppb (5) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 27.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 5 a.m. 56.8 ppb (53) 32.3 ppb (30) 60.5 ppb (57) 25.0 ppb (23) 26.3 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 1.06 ppb (12) 33.0 μg/m3 (30) 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2019, 4 a.m. 42.6 ppb (39) 15.4 ppb (14) 45.5 ppb (42) 27.0 ppb (25) 30.2 ppb (28) 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (10) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 3 a.m. 30.6 ppb (28) 3.7 ppb (3) 31.1 ppb (29) 27.0 ppb (25) 28.4 ppb (26) 0.0 ppb (0) 4.0 ppb (3) 0.63 ppb (7) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 2 a.m. 30.6 ppb (28) 3.3 ppb (3) 31.0 ppb (29) 27.0 ppb (25) 28.7 ppb (27) 0.0 ppb (0) 6.0 ppb (5) 0.56 ppb (6) 21.0 μg/m3 (19) 9.0 μg/m3 (38) 38.0
 
Jan. 13, 2019, 1 a.m. 20.7 ppb (19) 0.2 ppb (0) 22.1 ppb (20) 21.0 ppb (19) 21.4 ppb (20) 0.0 ppb (0) 20.0 ppb (15) 0.34 ppb (4) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Jan. 13, 2019, midnight 11.6 ppb (11) -0.1 ppb (0) 12.0 ppb (11) 12.0 ppb (11) 11.3 ppb (10) 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 11 p.m. 8.2 ppb (8) 0.5 ppb (0) 8.5 ppb (8) 8.0 ppb (7) 7.1 ppb (7) 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 27.0
 
Jan. 12, 2019, 10 p.m. 5.0 ppb (5) 0.3 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 3.9 ppb (4) 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 28.0
 
Jan. 12, 2019, 9 p.m. 6.8 ppb (6) 0.9 ppb (1) 6.9 ppb (6) 6.0 ppb (6) 5.2 ppb (5) 0.0 ppb (0) 34.0 ppb (26) 0.17 ppb (2) 8.0 μg/m3 (7) 4.0 μg/m3 (17) 26.0
 
Jan. 12, 2019, 8 p.m. 11.5 ppb (11) 2.7 ppb (3) 12.2 ppb (11) 9.0 ppb (8) 8.6 ppb (8) 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 7 p.m. 24.0 ppb (22) 4.6 ppb (4) 25.5 ppb (24) 19.0 ppb (18) 19.7 ppb (18) 0.0 ppb (0) 16.0 ppb (12) 0.34 ppb (4) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 6 p.m. 16.0 ppb (15) 0.8 ppb (1) 16.5 ppb (15) 15.0 ppb (14) 14.9 ppb (14) 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 16.0
 
Jan. 12, 2019, 5 p.m. 15.8 ppb (15) 2.1 ppb (2) 16.2 ppb (15) 14.0 ppb (13) 13.6 ppb (13) 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 18.0
 
Jan. 12, 2019, 4 p.m. 11.4 ppb (11) 0.8 ppb (1) 11.7 ppb (11) 11.0 ppb (10) 10.3 ppb (10) 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 20.0
 
Jan. 12, 2019, 3 p.m. 14.3 ppb (13) 1.5 ppb (1) 13.5 ppb (12) 13.0 ppb (12) 11.3 ppb (10) 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2019, 2 p.m. 11.7 ppb (11) 0.4 ppb (0) 9.8 ppb (9) 11.0 ppb (10) 9.1 ppb (8) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2019, 1 p.m. 3.8 ppb (4) -0.5 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 25.0
 
Jan. 12, 2019, noon 5.3 ppb (5) 0.0 ppb (0) 6.1 ppb (6) 5.0 ppb (5) 5.4 ppb (5) 0.0 ppb (0) 31.0 ppb (24) 0.17 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 24.0
 
Jan. 12, 2019, 11 a.m. 6.8 ppb (6) 0.0 ppb (0) 6.3 ppb (6) 7.0 ppb (6) 6.3 ppb (6) 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 24.0
 
Jan. 12, 2019, 10 a.m. 8.4 ppb (8) 0.3 ppb (0) 14.5 ppb (13) 8.0 ppb (7) 13.8 ppb (13) 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 11.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 9 a.m. 33.3 ppb (31) 4.2 ppb (4) 33.1 ppb (31) 29.0 ppb (27) 29.7 ppb (28) 1.0 ppb (1) 3.0 ppb (2) 0.56 ppb (6) 39.0 μg/m3 (35) 24.0 μg/m3 (76) 76.0
 
Jan. 12, 2019, 8 a.m. 39.0 ppb (36) 8.5 ppb (8) 47.0 ppb (44) 31.0 ppb (29) 37.4 ppb (35) 0.0 ppb (0) 2.0 ppb (2) 0.61 ppb (7) 39.0 μg/m3 (35) 22.0 μg/m3 (71) 71.0
 
Jan. 12, 2019, 7 a.m. 38.2 ppb (35) 7.7 ppb (7) 44.3 ppb (41) 31.0 ppb (29) 37.1 ppb (34) 0.0 ppb (0) 1.0 ppb (1) 0.64 ppb (7) 37.0 μg/m3 (34) 24.0 μg/m3 (76) 76.0
 
Jan. 12, 2019, 6 a.m. 30.2 ppb (28) 2.8 ppb (3) 35.0 ppb (32) 27.0 ppb (25) 33.2 ppb (31) 0.0 ppb (0) 5.0 ppb (4) 0.59 ppb (7) 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 5 a.m. 54.0 ppb (50) 20.9 ppb (19) 55.2 ppb (51) 33.0 ppb (31) 38.1 ppb (35) 0.0 ppb (0) 3.0 ppb (2) 0.7 ppb (8) 41.0 μg/m3 (37) 24.0 μg/m3 (76) 76.0
 
Jan. 12, 2019, 4 a.m. 54.9 ppb (51) 20.8 ppb (19) 61.8 ppb (58) 34.0 ppb (31) 40.8 ppb (38) 0.0 ppb (0) 1.0 ppb (1) 0.74 ppb (8) 49.0 μg/m3 (45) 28.0 μg/m3 (84) 84.0
 
Jan. 12, 2019, 3 a.m. 34.0 ppb (31) 4.8 ppb (4) 39.8 ppb (37) 29.0 ppb (27) 34.9 ppb (32) 0.0 ppb (0) 7.0 ppb (5) 0.62 ppb (7) 50.0 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 2 a.m. 31.0 ppb (29) 1.7 ppb (2) 35.4 ppb (33) 29.0 ppb (27) 34.2 ppb (32) 0.0 ppb (0) 9.0 ppb (7) 0.56 ppb (6) 43.0 μg/m3 (39) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 1 a.m. 28.2 ppb (26) 1.1 ppb (1) 31.5 ppb (29) 27.0 ppb (25) 30.6 ppb (28) 0.0 ppb (0) 14.0 ppb (11) 0.52 ppb (6) 47.0 μg/m3 (43) 22.0 μg/m3 (71) 71.0
 
Jan. 12, 2019, midnight 24.0 ppb (22) 1.7 ppb (2) 26.5 ppb (25) 22.0 ppb (20) 24.6 ppb (23) 0.0 ppb (0) 25.0 ppb (19) 0.34 ppb (4) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 11 p.m. 23.0 ppb (21) 3.8 ppb (4) 26.5 ppb (25) 19.0 ppb (18) 22.3 ppb (21) 0.0 ppb (0) 29.0 ppb (22) 0.35 ppb (4) 33.0 μg/m3 (30) 13.0 μg/m3 (52) 52.0
 
Jan. 11, 2019, 10 p.m. N/A N/A 41.2 ppb (38) N/A 30.2 ppb (28) 0.0 ppb (0) N/A 0.49 ppb (5) 50.0 μg/m3 (45) 26.0 μg/m3 (80) 80.0
 
Jan. 11, 2019, 9 p.m. N/A N/A 49.2 ppb (46) N/A 29.6 ppb (27) 0.0 ppb (0) N/A 0.51 ppb (6) 63.0 μg/m3 (54) 39.0 μg/m3 (109) 109.0
 
Jan. 11, 2019, 8 p.m. N/A N/A 58.1 ppb (54) N/A 30.0 ppb (28) 0.0 ppb (0) N/A 0.59 ppb (7) 62.0 μg/m3 (54) 38.0 μg/m3 (106) 106.0
 
Jan. 11, 2019, 7 p.m. 60.4 ppb (57) 33.4 ppb (31) 67.1 ppb (64) 27.0 ppb (25) 30.0 ppb (28) 0.0 ppb (0) 7.0 ppb (5) 0.62 ppb (7) 58.0 μg/m3 (52) 37.0 μg/m3 (104) 104.0
 
Jan. 11, 2019, 6 p.m. 64.2 ppb (61) 37.1 ppb (34) 70.3 ppb (67) 27.0 ppb (25) 31.1 ppb (29) 0.0 ppb (0) 4.0 ppb (3) 0.6 ppb (7) 50.0 μg/m3 (45) 30.0 μg/m3 (88) 88.0
 
Jan. 11, 2019, 5 p.m. 58.8 ppb (55) 33.0 ppb (31) 63.9 ppb (61) 26.0 ppb (24) 28.6 ppb (26) 0.0 ppb (0) 3.0 ppb (2) 0.58 ppb (6) 39.0 μg/m3 (35) 27.0 μg/m3 (82) 82.0
 
Jan. 11, 2019, 4 p.m. 56.5 ppb (53) 35.0 ppb (32) 59.9 ppb (56) 21.0 ppb (19) 22.6 ppb (21) 0.0 ppb (0) 2.0 ppb (2) 0.67 ppb (7) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
Jan. 11, 2019, 3 p.m. 55.8 ppb (52) 36.3 ppb (34) 58.1 ppb (54) 20.0 ppb (19) 21.7 ppb (20) 0.0 ppb (0) 1.0 ppb (1) 0.68 ppb (8) 27.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Jan. 11, 2019, 2 p.m. 40.9 ppb (38) 21.4 ppb (20) 41.2 ppb (38) 19.0 ppb (18) 21.8 ppb (20) 0.0 ppb (0) 1.0 ppb (1) 0.49 ppb (5) 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2019, 1 p.m. 30.9 ppb (29) 11.9 ppb (11) 32.0 ppb (30) 19.0 ppb (18) 17.0 ppb (16) 0.0 ppb (0) 1.0 ppb (1) 0.45 ppb (5) 22.0 μg/m3 (20) 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, noon 25.3 ppb (23) 4.7 ppb (4) 26.7 ppb (25) 21.0 ppb (19) 22.7 ppb (21) 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) 25.0 μg/m3 (23) 18.0 μg/m3 (63) 63.0
 
Jan. 11, 2019, 11 a.m. 21.7 ppb (20) 2.8 ppb (3) 21.2 ppb (20) 19.0 ppb (18) 19.5 ppb (18) 0.0 ppb (0) 5.0 ppb (4) 0.45 ppb (5) 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Jan. 11, 2019, 10 a.m. 40.9 ppb (38) 18.1 ppb (17) 49.2 ppb (46) 23.0 ppb (21) 24.0 ppb (22) 0.0 ppb (0) 1.0 ppb (1) 0.62 ppb (7) 34.0 μg/m3 (31) 17.0 μg/m3 (61) 61.0
 
Jan. 11, 2019, 9 a.m. 75.5 ppb (73) 54.1 ppb (50) 69.8 ppb (67) 21.0 ppb (19) 17.2 ppb (16) 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (10) 30.0 μg/m3 (27) 18.0 μg/m3 (63) 73.0
 
Jan. 11, 2019, 8 a.m. 61.7 ppb (58) 42.9 ppb (40) 64.4 ppb (61) 19.0 ppb (18) 21.5 ppb (20) 0.0 ppb (0) 1.0 ppb (1) 0.95 ppb (11) 29.0 μg/m3 (26) 16.0 μg/m3 (59) 61.0
 
Jan. 11, 2019, 7 a.m. 50.8 ppb (47) 30.0 ppb (28) 56.3 ppb (52) 21.0 ppb (19) 23.4 ppb (22) 0.0 ppb (0) 1.0 ppb (1) 0.91 ppb (10) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 52.0
 
Jan. 11, 2019, 6 a.m. 50.6 ppb (47) 27.7 ppb (26) 53.1 ppb (49) 23.0 ppb (21) 26.3 ppb (24) 0.0 ppb (0) 1.0 ppb (1) 0.92 ppb (10) 29.0 μg/m3 (26) 11.0 μg/m3 (46) 49.0