AQSQID: 060010012

Site Name: Laney College

Location: Oakland (Nimitz Fwy), CA

Reporting: True, Located: True

Current AQI: 8.0

Oakland (Nimitz Fwy) CA, US: 37.793624, -122.263376

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2019, 8 a.m. 8.1 ppb (8) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 19, 2019, 7 a.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 19, 2019, 6 a.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 19, 2019, 5 a.m. 6.9 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 4 a.m. 6.5 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 19, 2019, 3 a.m. 8.3 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 19, 2019, 2 a.m. 6.4 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 19, 2019, 1 a.m. 6.1 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 19, 2019, midnight 7.4 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 11 p.m. 5.6 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 10 p.m. 6.4 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 9 p.m. 10.4 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 8 p.m. 8.9 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 7 p.m. 12.1 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 6 p.m. 14.6 ppb (14) 6.3 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 18, 2019, 5 p.m. 16.8 ppb (16) 7.1 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 16.0
 
May 18, 2019, 4 p.m. 19.0 ppb (18) 8.1 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.39 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
May 18, 2019, 3 p.m. 20.8 ppb (19) 8.4 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 2 p.m. 20.2 ppb (19) 6.9 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 18, 2019, 1 p.m. 14.9 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 1.0 μg/m3 (4) 14.0
 
May 18, 2019, noon 12.6 ppb (12) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 2.0 μg/m3 (8) 12.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 10 a.m. 9.2 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 9 a.m. 13.1 ppb (12) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 8 a.m. 13.9 ppb (13) 2.2 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.29 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
May 18, 2019, 7 a.m. 13.1 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 6 a.m. 14.5 ppb (13) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 13.0
 
May 18, 2019, 5 a.m. 12.8 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
May 18, 2019, 4 a.m. 14.3 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.37 ppb (4) N/A 3.0 μg/m3 (12) 13.0
 
May 18, 2019, 3 a.m. 13.7 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 18, 2019, 2 a.m. 17.9 ppb (17) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 1 a.m. 24.6 ppb (23) 9.2 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, midnight 20.1 ppb (19) 9.8 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 17, 2019, 11 p.m. 21.7 ppb (20) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
May 17, 2019, 10 p.m. 23.4 ppb (22) 11.4 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
May 17, 2019, 9 p.m. 23.6 ppb (22) 11.4 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.29 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
May 17, 2019, 8 p.m. 20.4 ppb (19) 10.4 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
May 17, 2019, 7 p.m. 28.1 ppb (26) 12.9 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 26.0
 
May 17, 2019, 6 p.m. 38.9 ppb (36) 19.0 ppb (18) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 5 p.m. 35.3 ppb (33) 16.4 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 4 p.m. 32.7 ppb (30) 15.2 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 30.0
 
May 17, 2019, 3 p.m. 18.1 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 2 p.m. 20.6 ppb (19) 6.9 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 1 p.m. 36.3 ppb (34) 12.7 ppb (12) N/A 24.0 ppb (22) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 34.0
 
May 17, 2019, noon 36.6 ppb (34) 12.6 ppb (12) N/A 24.0 ppb (22) N/A N/A N/A 0.37 ppb (4) N/A 8.0 μg/m3 (33) 34.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 10 a.m. 17.2 ppb (16) 4.1 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 9 a.m. 14.2 ppb (13) 3.2 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 17, 2019, 8 a.m. 13.5 ppb (12) 2.0 ppb (2) N/A 12.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 17, 2019, 7 a.m. 19.0 ppb (18) 3.6 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 17, 2019, 6 a.m. 12.2 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 5 a.m. 11.4 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 4 a.m. 14.2 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 17, 2019, 3 a.m. 18.8 ppb (17) 5.8 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 2 a.m. 17.7 ppb (16) 4.5 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 1 a.m. 19.5 ppb (18) 6.8 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, midnight 17.6 ppb (16) 7.6 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 16, 2019, 11 p.m. 19.6 ppb (18) 9.4 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 16, 2019, 10 p.m. 17.4 ppb (16) 8.8 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 9 p.m. 28.3 ppb (26) 12.3 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 8 p.m. 26.4 ppb (24) 12.7 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A 0.29 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
May 16, 2019, 7 p.m. 26.2 ppb (24) 13.4 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 16, 2019, 6 p.m. 23.0 ppb (21) 10.4 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
May 16, 2019, 5 p.m. 23.4 ppb (22) 11.5 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
May 16, 2019, 4 p.m. 27.7 ppb (26) 13.2 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.29 ppb (3) N/A 2.0 μg/m3 (8) 26.0
 
May 16, 2019, 3 p.m. 28.4 ppb (26) 14.8 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
May 16, 2019, 2 p.m. 27.2 ppb (25) 12.9 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 1 p.m. 20.2 ppb (19) 9.0 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 16, 2019, noon 14.5 ppb (13) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 10 a.m. 6.8 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 9 a.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 8 a.m. 5.6 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
May 16, 2019, 7 a.m. 6.5 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 6 a.m. 9.4 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 5 a.m. 7.7 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 4 a.m. 8.1 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 3 a.m. 8.6 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 16, 2019, 2 a.m. 9.5 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, 1 a.m. 16.7 ppb (15) 7.9 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 16, 2019, midnight 18.4 ppb (17) 11.0 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 15, 2019, 11 p.m. 21.7 ppb (20) 11.7 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 10 p.m. 26.4 ppb (24) 13.4 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 4.0 μg/m3 (17) 24.0
 
May 15, 2019, 9 p.m. 22.4 ppb (21) 11.5 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
May 15, 2019, 8 p.m. 29.1 ppb (27) 15.0 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 27.0
 
May 15, 2019, 7 p.m. 28.1 ppb (26) 13.6 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.28 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
May 15, 2019, 6 p.m. 50.7 ppb (47) 29.8 ppb (28) N/A 21.0 ppb (19) N/A N/A N/A 0.32 ppb (4) N/A 4.0 μg/m3 (17) 47.0
 
May 15, 2019, 5 p.m. 56.8 ppb (53) 34.7 ppb (32) N/A 22.0 ppb (20) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 53.0
 
May 15, 2019, 4 p.m. 32.7 ppb (30) 13.9 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 30.0
 
May 15, 2019, 3 p.m. 34.5 ppb (32) 14.7 ppb (14) N/A 20.0 ppb (19) N/A N/A N/A 0.37 ppb (4) N/A 6.0 μg/m3 (25) 32.0
 
May 15, 2019, 2 p.m. 31.3 ppb (29) 14.5 ppb (13) N/A 17.0 ppb (16) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 29.0
 
May 15, 2019, 1 p.m. 27.5 ppb (25) 11.0 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, noon 34.2 ppb (32) 15.8 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 32.0
 
May 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 15, 2019, 10 a.m. 12.7 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 9 a.m. 8.5 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 8 a.m. 6.6 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 7 a.m. 6.7 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 15, 2019, 6 a.m. 9.3 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 15, 2019, 5 a.m. 11.9 ppb (11) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 15, 2019, 4 a.m. 17.5 ppb (16) 5.1 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 3 a.m. 13.2 ppb (12) 4.4 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
May 15, 2019, 2 a.m. 23.3 ppb (22) 7.1 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.39 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
May 15, 2019, 1 a.m. 31.8 ppb (29) 13.9 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
May 15, 2019, midnight 34.0 ppb (31) 15.7 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 31.0
 
May 14, 2019, 11 p.m. 31.8 ppb (29) 16.3 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
May 14, 2019, 10 p.m. 33.1 ppb (31) 17.8 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 31.0
 
May 14, 2019, 9 p.m. 31.6 ppb (29) 16.4 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.31 ppb (3) N/A 5.0 μg/m3 (21) 29.0
 
May 14, 2019, 8 p.m. 29.1 ppb (27) 14.5 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
May 14, 2019, 7 p.m. 29.2 ppb (27) 15.4 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 27.0
 
May 14, 2019, 6 p.m. 33.1 ppb (31) 16.3 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 31.0
 
May 14, 2019, 5 p.m. 40.3 ppb (37) 21.0 ppb (19) N/A 19.0 ppb (18) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (33) 37.0
 
May 14, 2019, 4 p.m. 43.1 ppb (40) 21.3 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 40.0
 
May 14, 2019, 3 p.m. 37.1 ppb (34) 16.6 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.37 ppb (4) N/A N/A 34.0
 
May 14, 2019, 2 p.m. 42.4 ppb (39) 18.9 ppb (18) N/A 23.0 ppb (21) N/A N/A N/A 0.39 ppb (4) N/A 4.0 μg/m3 (17) 39.0
 
May 14, 2019, 1 p.m. 32.6 ppb (30) 13.4 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 30.0
 
May 14, 2019, noon 24.0 ppb (22) 9.5 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 14, 2019, 10 a.m. 18.5 ppb (17) 4.6 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 14, 2019, 9 a.m. 11.6 ppb (11) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 14, 2019, 8 a.m. 5.7 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A -1.0 μg/m3 (0) 5.0
 
May 14, 2019, 7 a.m. 8.0 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 14, 2019, 6 a.m. 7.1 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 5 a.m. 10.6 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 4 a.m. 10.8 ppb (10) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 14, 2019, 3 a.m. 13.4 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
May 14, 2019, 2 a.m. 14.3 ppb (13) 5.9 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
May 14, 2019, 1 a.m. 16.0 ppb (15) 8.0 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
May 14, 2019, midnight 23.7 ppb (22) 12.1 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 22.0
 
May 13, 2019, 11 p.m. 26.8 ppb (25) 14.5 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
May 13, 2019, 10 p.m. 26.7 ppb (25) 15.1 ppb (14) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 9 p.m. 31.8 ppb (29) 17.2 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 8 p.m. 30.2 ppb (28) 15.6 ppb (14) N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 28.0
 
May 13, 2019, 7 p.m. 34.8 ppb (32) 19.4 ppb (18) N/A 15.0 ppb (14) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 32.0
 
May 13, 2019, 6 p.m. 47.3 ppb (44) 27.1 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.29 ppb (3) N/A 7.0 μg/m3 (29) 44.0
 
May 13, 2019, 5 p.m. 34.8 ppb (32) 18.1 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 13, 2019, 4 p.m. 41.0 ppb (38) 21.0 ppb (19) N/A 20.0 ppb (19) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 38.0
 
May 13, 2019, 3 p.m. 36.7 ppb (34) 20.2 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.36 ppb (4) N/A 8.0 μg/m3 (33) 34.0
 
May 13, 2019, 2 p.m. 42.1 ppb (39) 20.4 ppb (19) N/A 22.0 ppb (20) N/A N/A N/A 0.38 ppb (4) N/A 8.0 μg/m3 (33) 39.0
 
May 13, 2019, 1 p.m. 30.0 ppb (28) 14.2 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
May 13, 2019, noon 21.0 ppb (19) 9.2 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 9 a.m. 6.7 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 8 a.m. 5.5 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 13, 2019, 7 a.m. 5.6 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 6 a.m. 5.1 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 5 a.m. 7.1 ppb (7) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2019, 4 a.m. 7.6 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 3 a.m. 10.1 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
May 13, 2019, 2 a.m. 10.8 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 13, 2019, 1 a.m. 8.4 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2019, midnight 8.3 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 12, 2019, 11 p.m. 11.3 ppb (10) 5.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 12, 2019, 10 p.m. 10.4 ppb (10) 4.8 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 12, 2019, 9 p.m. 9.2 ppb (9) 4.6 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 12, 2019, 8 p.m. 11.2 ppb (10) 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 12, 2019, 7 p.m. 10.6 ppb (10) 5.2 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
May 12, 2019, 6 p.m. 12.2 ppb (11) 5.5 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 12, 2019, 5 p.m. 12.2 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 12, 2019, 4 p.m. 12.2 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
May 12, 2019, 3 p.m. 13.5 ppb (12) 4.4 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 12, 2019, 2 p.m. 12.6 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
May 12, 2019, 1 p.m. 9.6 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 12, 2019, noon 7.4 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
May 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 12, 2019, 10 a.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 12, 2019, 9 a.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 8.0