AQSQID: 060371201

Site Name: Reseda

Location: LA, CA

Reporting: True, Located: True

Current AQI: 26.0

LA CA, US: 34.1992, -118.5331

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 5 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 26.0
 
Jan. 19, 2019, 4 a.m. 6.5 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.23 ppb (3) N/A 5.6 μg/m3 (23) 25.0
 
Jan. 19, 2019, 3 a.m. 29.1 ppb (27) 6.7 ppb (6) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.63 ppb (7) N/A 17.2 μg/m3 (61) 61.0
 
Jan. 19, 2019, 2 a.m. 35.3 ppb (33) 7.4 ppb (7) N/A 28.0 ppb (26) N/A N/A 6.0 ppb (5) 0.77 ppb (9) N/A 20.3 μg/m3 (68) 68.0
 
Jan. 19, 2019, 1 a.m. 20.6 ppb (19) 1.2 ppb (1) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 12.5 μg/m3 (51) 51.0
 
Jan. 19, 2019, midnight 16.8 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (14) N/A N/A 28.0 ppb (22) 0.37 ppb (4) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 18, 2019, 11 p.m. 15.1 ppb (14) 2.9 ppb (3) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.33 ppb (4) N/A 18.4 μg/m3 (64) 64.0
 
Jan. 18, 2019, 10 p.m. 13.9 ppb (13) 3.5 ppb (3) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.33 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 18, 2019, 9 p.m. 9.9 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.31 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2019, 8 p.m. 14.4 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.35 ppb (4) N/A 16.6 μg/m3 (60) 60.0
 
Jan. 18, 2019, 7 p.m. 22.1 ppb (20) 9.8 ppb (9) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.4 ppb (4) N/A 19.5 μg/m3 (66) 66.0
 
Jan. 18, 2019, 6 p.m. 24.3 ppb (23) 10.3 ppb (10) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.44 ppb (5) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 18, 2019, 5 p.m. 24.5 ppb (23) 9.3 ppb (9) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.43 ppb (5) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 18, 2019, 4 p.m. 43.9 ppb (41) 26.3 ppb (24) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) 0.68 ppb (8) N/A 19.7 μg/m3 (66) 66.0
 
Jan. 18, 2019, 3 p.m. 58.8 ppb (55) 41.4 ppb (38) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.96 ppb (11) N/A 8.9 μg/m3 (37) 55.0
 
Jan. 18, 2019, 2 p.m. 54.8 ppb (51) 38.4 ppb (36) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.81 ppb (9) N/A 6.0 μg/m3 (25) 51.0
 
Jan. 18, 2019, 1 p.m. 32.5 ppb (30) 16.7 ppb (15) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.55 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2019, noon 25.5 ppb (24) 9.1 ppb (8) N/A 16.0 ppb (15) N/A N/A 2.0 ppb (2) 0.49 ppb (5) N/A 10.2 μg/m3 (42) 42.0
 
Jan. 18, 2019, 11 a.m. 29.6 ppb (27) 10.6 ppb (10) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 0.53 ppb (6) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2019, 10 a.m. 31.9 ppb (30) 11.0 ppb (10) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.53 ppb (6) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 18, 2019, 9 a.m. 30.1 ppb (28) 9.0 ppb (8) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.61 ppb (7) N/A 14.9 μg/m3 (56) 56.0
 
Jan. 18, 2019, 8 a.m. 20.0 ppb (19) 1.6 ppb (1) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) 0.51 ppb (6) N/A 16.8 μg/m3 (60) 60.0
 
Jan. 18, 2019, 7 a.m. 21.3 ppb (20) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) 0.6 ppb (7) N/A 16.6 μg/m3 (60) 60.0
 
Jan. 18, 2019, 6 a.m. 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.4 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2019, 5 a.m. 15.0 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.44 ppb (5) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2019, 4 a.m. 14.2 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 3 a.m. 11.5 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.34 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2019, 2 a.m. 12.2 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 1 a.m. 11.3 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.34 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 18, 2019, midnight 7.4 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.26 ppb (3) N/A 4.4 μg/m3 (18) 24.0
 
Jan. 17, 2019, 11 p.m. 7.6 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.25 ppb (3) N/A 4.1 μg/m3 (17) 24.0
 
Jan. 17, 2019, 10 p.m. 6.6 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.25 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 17, 2019, 9 p.m. 5.4 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.22 ppb (2) N/A 3.6 μg/m3 (15) 24.0
 
Jan. 17, 2019, 8 p.m. 7.0 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.24 ppb (3) N/A 3.9 μg/m3 (16) 22.0
 
Jan. 17, 2019, 7 p.m. 5.7 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 17, 2019, 6 p.m. 8.2 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.24 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 17, 2019, 5 p.m. 10.3 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 17, 2019, 4 p.m. 9.6 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.29 ppb (3) N/A 3.9 μg/m3 (16) 19.0
 
Jan. 17, 2019, 3 p.m. 3.9 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.18 ppb (2) N/A 2.9 μg/m3 (12) 25.0
 
Jan. 17, 2019, 2 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.19 ppb (2) N/A 1.4 μg/m3 (6) 25.0
 
Jan. 17, 2019, 1 p.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.17 ppb (2) N/A -1.1 μg/m3 (0) 25.0
 
Jan. 17, 2019, noon 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A 1.6 μg/m3 (7) 25.0
 
Jan. 17, 2019, 11 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) 0.16 ppb (2) N/A 2.6 μg/m3 (11) 25.0
 
Jan. 17, 2019, 10 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 1.6 μg/m3 (7) 28.0
 
Jan. 17, 2019, 9 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.16 ppb (2) N/A 4.8 μg/m3 (20) 25.0
 
Jan. 17, 2019, 8 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) 0.17 ppb (2) N/A 4.6 μg/m3 (19) 24.0
 
Jan. 17, 2019, 7 a.m. 10.3 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 2.8 μg/m3 (12) 15.0
 
Jan. 17, 2019, 6 a.m. 12.5 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2019, 5 a.m. 11.8 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2019, 4 a.m. 14.4 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) 0.35 ppb (4) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 17, 2019, 3 a.m. 13.5 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.35 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 17, 2019, 2 a.m. 14.6 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 21.0 ppb (16) 0.35 ppb (4) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 17, 2019, 1 a.m. 16.1 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 17, 2019, midnight 15.7 ppb (15) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 2.3 μg/m3 (10) 17.0
 
Jan. 16, 2019, 11 p.m. 13.0 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A -0.2 μg/m3 (0) 19.0
 
Jan. 16, 2019, 10 p.m. 10.7 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.28 ppb (3) N/A 1.8 μg/m3 (8) 22.0
 
Jan. 16, 2019, 9 p.m. 9.4 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 3.3 μg/m3 (14) 23.0
 
Jan. 16, 2019, 8 p.m. 12.2 ppb (11) 2.7 ppb (3) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.27 ppb (3) N/A 4.3 μg/m3 (18) 19.0
 
Jan. 16, 2019, 7 p.m. 12.0 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.28 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 16, 2019, 6 p.m. 18.2 ppb (17) 4.6 ppb (4) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 16, 2019, 5 p.m. 23.1 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) 0.44 ppb (5) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 4 p.m. 18.4 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.45 ppb (5) N/A 11.1 μg/m3 (46) 46.0
 
Jan. 16, 2019, 3 p.m. 29.1 ppb (27) 7.7 ppb (7) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) 0.67 ppb (7) N/A 10.2 μg/m3 (42) 42.0
 
Jan. 16, 2019, 2 p.m. 19.0 ppb (18) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 12.0 ppb (9) 0.4 ppb (4) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2019, 1 p.m. 12.0 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.29 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2019, noon 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.27 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 16, 2019, 11 a.m. 6.9 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 16, 2019, 10 a.m. 6.8 ppb (6) 0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.24 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 16, 2019, 9 a.m. 4.9 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) 0.21 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2019, 8 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.2 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
Jan. 16, 2019, 7 a.m. 13.7 ppb (13) 0.4 ppb (0) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 16, 2019, 6 a.m. 11.4 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 5 a.m. 7.4 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.26 ppb (3) N/A 4.2 μg/m3 (18) 26.0
 
Jan. 16, 2019, 4 a.m. 7.6 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 27.0
 
Jan. 16, 2019, 3 a.m. 6.1 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 28.0
 
Jan. 16, 2019, 2 a.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 28.0
 
Jan. 16, 2019, 1 a.m. 8.3 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.26 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Jan. 16, 2019, midnight 11.7 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) 0.28 ppb (3) N/A 5.7 μg/m3 (24) 25.0
 
Jan. 15, 2019, 11 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.26 ppb (3) N/A 5.2 μg/m3 (22) 28.0
 
Jan. 15, 2019, 10 p.m. 10.3 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 15, 2019, 9 p.m. 8.8 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.26 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 15, 2019, 8 p.m. 14.1 ppb (13) 2.2 ppb (2) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.28 ppb (3) N/A 4.5 μg/m3 (19) 25.0
 
Jan. 15, 2019, 7 p.m. 9.3 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.24 ppb (3) N/A N/A 28.0
 
Jan. 15, 2019, 6 p.m. 8.3 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.23 ppb (3) N/A N/A 26.0
 
Jan. 15, 2019, 5 p.m. 12.8 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 15, 2019, 4 p.m. 28.8 ppb (27) 9.8 ppb (9) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (8) 0.51 ppb (6) N/A 18.2 μg/m3 (63) 63.0
 
Jan. 15, 2019, 3 p.m. 67.6 ppb (64) 43.5 ppb (40) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.98 ppb (11) N/A 13.9 μg/m3 (54) 64.0
 
Jan. 15, 2019, 2 p.m. 58.2 ppb (54) 35.9 ppb (33) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.83 ppb (9) N/A 15.2 μg/m3 (57) 57.0
 
Jan. 15, 2019, 1 p.m. 51.2 ppb (47) 29.3 ppb (27) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.75 ppb (8) N/A 21.3 μg/m3 (70) 70.0
 
Jan. 15, 2019, noon 47.0 ppb (44) 25.7 ppb (24) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.77 ppb (9) N/A 17.7 μg/m3 (62) 62.0
 
Jan. 15, 2019, 11 a.m. 40.2 ppb (37) 18.5 ppb (17) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.73 ppb (8) N/A 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2019, 10 a.m. 41.7 ppb (39) 18.6 ppb (17) N/A 23.0 ppb (21) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A 18.7 μg/m3 (64) 64.0
 
Jan. 15, 2019, 9 a.m. 41.8 ppb (39) 16.3 ppb (15) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.68 ppb (8) N/A 15.7 μg/m3 (58) 58.0
 
Jan. 15, 2019, 8 a.m. 48.0 ppb (44) 23.7 ppb (22) N/A 24.0 ppb (22) N/A N/A 2.0 ppb (2) 0.85 ppb (9) N/A 22.3 μg/m3 (72) 72.0
 
Jan. 15, 2019, 7 a.m. 36.6 ppb (34) 10.1 ppb (9) N/A 27.0 ppb (25) N/A N/A 3.0 ppb (2) 0.66 ppb (7) N/A 25.7 μg/m3 (79) 79.0
 
Jan. 15, 2019, 6 a.m. 40.3 ppb (37) 12.8 ppb (12) N/A 28.0 ppb (26) N/A N/A 3.0 ppb (2) 0.73 ppb (8) N/A 21.6 μg/m3 (70) 70.0
 
Jan. 15, 2019, 5 a.m. 29.5 ppb (27) 4.0 ppb (4) N/A 26.0 ppb (24) N/A N/A 6.0 ppb (5) 0.56 ppb (6) N/A 21.1 μg/m3 (69) 69.0
 
Jan. 15, 2019, 4 a.m. 25.6 ppb (24) 2.4 ppb (2) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.49 ppb (5) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 15, 2019, 3 a.m. 23.8 ppb (22) 2.8 ppb (3) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.5 ppb (6) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 15, 2019, 2 a.m. 17.9 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.35 ppb (4) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 15, 2019, 1 a.m. 14.7 ppb (14) 1.5 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 3.2 μg/m3 (13) 18.0
 
Jan. 15, 2019, midnight 11.6 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 14, 2019, 11 p.m. 14.7 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2019, 10 p.m. 19.6 ppb (18) 2.9 ppb (3) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.32 ppb (4) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 14, 2019, 9 p.m. 17.4 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
Jan. 14, 2019, 8 p.m. 14.4 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 14, 2019, 7 p.m. 21.0 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 14, 2019, 6 p.m. 22.4 ppb (21) 3.1 ppb (3) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.37 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 14, 2019, 5 p.m. 19.6 ppb (18) 2.7 ppb (3) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.37 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2019, 4 p.m. 20.9 ppb (19) 1.9 ppb (2) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) 0.37 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2019, 3 p.m. 19.3 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.39 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 14, 2019, 2 p.m. 16.7 ppb (15) 1.9 ppb (2) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.31 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 14, 2019, 1 p.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.21 ppb (2) N/A 4.4 μg/m3 (18) 27.0
 
Jan. 14, 2019, noon 11.5 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2019, 11 a.m. 30.5 ppb (28) 9.7 ppb (9) N/A 21.0 ppb (19) N/A N/A 8.0 ppb (6) 0.6 ppb (7) N/A 15.5 μg/m3 (57) 57.0
 
Jan. 14, 2019, 10 a.m. 64.2 ppb (61) 44.8 ppb (41) N/A 19.0 ppb (18) N/A N/A 2.0 ppb (2) 1.2 ppb (13) N/A 24.5 μg/m3 (77) 77.0
 
Jan. 14, 2019, 9 a.m. 68.9 ppb (66) 48.2 ppb (45) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 1.33 ppb (15) N/A 31.3 μg/m3 (91) 91.0
 
Jan. 14, 2019, 8 a.m. 86.3 ppb (84) 65.3 ppb (62) N/A 21.0 ppb (19) N/A N/A 3.0 ppb (2) 1.67 ppb (19) N/A 45.0 μg/m3 (124) 124.0
 
Jan. 14, 2019, 7 a.m. 93.7 ppb (92) 70.2 ppb (67) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 1.7 ppb (19) N/A 45.3 μg/m3 (124) 124.0
 
Jan. 14, 2019, 6 a.m. 94.7 ppb (93) 68.0 ppb (65) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) 1.78 ppb (20) N/A 49.2 μg/m3 (134) 134.0
 
Jan. 14, 2019, 5 a.m. 71.1 ppb (68) 42.2 ppb (39) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 1.39 ppb (15) N/A 28.5 μg/m3 (85) 85.0
 
Jan. 14, 2019, 4 a.m. 59.8 ppb (56) 28.1 ppb (26) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 1.11 ppb (12) N/A 28.5 μg/m3 (85) 85.0
 
Jan. 14, 2019, 3 a.m. 41.6 ppb (39) 9.0 ppb (8) N/A 33.0 ppb (31) N/A N/A 5.0 ppb (4) 0.8 ppb (9) N/A 29.7 μg/m3 (88) 88.0
 
Jan. 14, 2019, 2 a.m. 31.9 ppb (30) 4.0 ppb (4) N/A 28.0 ppb (26) N/A N/A 12.0 ppb (9) 0.65 ppb (7) N/A 13.3 μg/m3 (53) 53.0
 
Jan. 14, 2019, 1 a.m. 26.5 ppb (25) 1.8 ppb (2) N/A 25.0 ppb (23) N/A N/A 16.0 ppb (12) 0.52 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, midnight 18.8 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.42 ppb (5) N/A 10.8 μg/m3 (45) 45.0
 
Jan. 13, 2019, 11 p.m. 13.7 ppb (13) 1.3 ppb (1) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.34 ppb (4) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 13, 2019, 10 p.m. 10.6 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) 0.29 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
Jan. 13, 2019, 9 p.m. 8.9 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) 0.28 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 13, 2019, 8 p.m. 13.0 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) 0.32 ppb (4) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 13, 2019, 7 p.m. 18.8 ppb (17) 6.3 ppb (6) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.37 ppb (4) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 13, 2019, 6 p.m. 21.1 ppb (20) 7.9 ppb (7) N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.4 ppb (4) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 13, 2019, 5 p.m. 29.1 ppb (27) 13.4 ppb (12) N/A 16.0 ppb (15) N/A N/A 14.0 ppb (11) 0.47 ppb (5) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.2 μg/m3 (53) 53.0
 
Jan. 13, 2019, 5 a.m. 7.8 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A 3.7 μg/m3 (15) 22.0
 
Jan. 13, 2019, 4 a.m. 8.1 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.23 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 13, 2019, 3 a.m. 7.5 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A 4.3 μg/m3 (18) 23.0
 
Jan. 13, 2019, 2 a.m. 6.5 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A 2.3 μg/m3 (10) 23.0
 
Jan. 13, 2019, 1 a.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.24 ppb (3) N/A 3.5 μg/m3 (15) 23.0
 
Jan. 13, 2019, midnight 7.7 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 3.3 μg/m3 (14) 23.0
 
Jan. 12, 2019, 11 p.m. 11.0 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) 0.29 ppb (3) N/A 4.5 μg/m3 (19) 24.0
 
Jan. 12, 2019, 10 p.m. 10.0 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.28 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 12, 2019, 9 p.m. 6.3 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.24 ppb (3) N/A 5.5 μg/m3 (23) 28.0
 
Jan. 12, 2019, 8 p.m. 6.3 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.22 ppb (2) N/A 2.5 μg/m3 (10) 28.0
 
Jan. 12, 2019, 7 p.m. 5.5 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.2 ppb (2) N/A 2.8 μg/m3 (12) 28.0
 
Jan. 12, 2019, 6 p.m. 9.6 ppb (9) 1.9 ppb (2) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) 0.26 ppb (3) N/A 4.8 μg/m3 (20) 25.0
 
Jan. 12, 2019, 5 p.m. 12.0 ppb (11) 2.4 ppb (2) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.28 ppb (3) N/A 1.8 μg/m3 (8) 24.0
 
Jan. 12, 2019, 4 p.m. 14.9 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A 3.5 μg/m3 (15) 19.0
 
Jan. 12, 2019, 3 p.m. 16.3 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.33 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2019, 2 p.m. 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 12, 2019, 1 p.m. 4.9 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 2.5 μg/m3 (10) 26.0
 
Jan. 12, 2019, noon 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.18 ppb (2) N/A 1.5 μg/m3 (6) 28.0
 
Jan. 12, 2019, 11 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.19 ppb (2) N/A 1.5 μg/m3 (6) 27.0
 
Jan. 12, 2019, 10 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.23 ppb (3) N/A 4.5 μg/m3 (19) 27.0
 
Jan. 12, 2019, 9 a.m. 19.0 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.48 ppb (5) N/A 22.8 μg/m3 (73) 73.0
 
Jan. 12, 2019, 8 a.m. 47.4 ppb (44) 21.0 ppb (19) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.88 ppb (10) N/A 33.1 μg/m3 (95) 95.0
 
Jan. 12, 2019, 7 a.m. 54.5 ppb (51) 25.2 ppb (23) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.95 ppb (11) N/A 36.0 μg/m3 (101) 101.0
 
Jan. 12, 2019, 6 a.m. 53.4 ppb (49) 24.2 ppb (22) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.89 ppb (10) N/A 28.1 μg/m3 (84) 84.0
 
Jan. 12, 2019, 5 a.m. 44.9 ppb (42) 16.1 ppb (15) N/A 29.0 ppb (27) N/A N/A 2.0 ppb (2) 0.78 ppb (9) N/A 29.3 μg/m3 (87) 87.0
 
Jan. 12, 2019, 4 a.m. 47.5 ppb (44) 15.4 ppb (14) N/A 32.0 ppb (30) N/A N/A 2.0 ppb (2) 0.77 ppb (9) N/A 32.9 μg/m3 (94) 94.0
 
Jan. 12, 2019, 3 a.m. 43.1 ppb (40) 9.6 ppb (9) N/A 34.0 ppb (31) N/A N/A 5.0 ppb (4) 0.7 ppb (8) N/A 25.3 μg/m3 (78) 78.0
 
Jan. 12, 2019, 2 a.m. 30.6 ppb (28) 2.3 ppb (2) N/A 28.0 ppb (26) N/A N/A 13.0 ppb (10) 0.5 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2019, 1 a.m. 32.0 ppb (30) 2.9 ppb (3) N/A 29.0 ppb (27) N/A N/A 16.0 ppb (12) 0.5 ppb (6) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 12, 2019, midnight 21.9 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 28.0 ppb (22) 0.4 ppb (4) N/A 13.1 μg/m3 (52) 52.0