AQSQID: 060010012

Site Name: Laney College

Location: Oakland (Nimitz Fwy), CA

Reporting: True, Located: True

Current AQI: 17.0

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
July 21, 2019, 3 a.m. 18.2 ppb (17) 5.5 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.36 ppb (4) N/A 1.0 μg/m3 (4) 17.0
 
July 21, 2019, 2 a.m. 20.9 ppb (19) 9.6 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 1 a.m. 16.6 ppb (15) 8.1 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.39 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 21, 2019, midnight 15.6 ppb (14) 7.9 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2019, 11 p.m. 14.0 ppb (13) 6.8 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2019, 10 p.m. 11.2 ppb (10) 5.2 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 2.0 μg/m3 (8) 10.0
 
July 20, 2019, 9 p.m. 11.7 ppb (11) 6.3 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
July 20, 2019, 8 p.m. 13.0 ppb (12) 6.9 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 7 p.m. 11.6 ppb (11) 5.7 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 6 p.m. 16.5 ppb (15) 8.5 ppb (8) 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
 
July 20, 2019, 5 p.m. 14.4 ppb (13) 7.1 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 4 p.m. 16.7 ppb (15) 8.7 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 3 p.m. 21.5 ppb (20) 10.5 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 2 p.m. 21.5 ppb (20) 10.2 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 1 p.m. 17.3 ppb (16) 7.9 ppb (7) 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
 
July 20, 2019, noon 13.2 ppb (12) 5.5 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 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
 
July 20, 2019, 10 a.m. 9.4 ppb (9) 3.5 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 9 a.m. 11.3 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 8 a.m. 11.2 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 7 a.m. 14.9 ppb (14) 5.3 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 6 a.m. 11.8 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 5 a.m. 15.2 ppb (14) 5.6 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 4 a.m. 17.6 ppb (16) 7.1 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 3 a.m. 18.4 ppb (17) 7.7 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 2 a.m. 18.2 ppb (17) 9.4 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 1 a.m. 21.3 ppb (20) 10.8 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2019, midnight 23.6 ppb (22) 12.2 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 11 p.m. 31.8 ppb (29) 16.4 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 10 p.m. 21.0 ppb (19) 9.7 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 9 p.m. 16.0 ppb (15) 6.7 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 8 p.m. 8.6 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 7 p.m. 10.1 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 6 p.m. 31.6 ppb (29) 17.7 ppb (16) N/A 14.0 ppb (13) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, 5 p.m. 31.2 ppb (29) 19.2 ppb (18) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
July 19, 2019, 4 p.m. 39.6 ppb (37) 25.1 ppb (23) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 3 p.m. 38.9 ppb (36) 23.1 ppb (21) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 2 p.m. 31.5 ppb (29) 18.0 ppb (17) N/A 14.0 ppb (13) N/A N/A N/A 0.39 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
July 19, 2019, 1 p.m. 35.2 ppb (33) 18.5 ppb (17) N/A 17.0 ppb (16) N/A N/A N/A 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2019, noon 28.9 ppb (27) 12.9 ppb (12) N/A 16.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 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
 
July 19, 2019, 10 a.m. 10.3 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 9 a.m. 6.9 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 8 a.m. 8.1 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 7 a.m. 5.7 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 6 a.m. 5.6 ppb (5) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.27 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 5 a.m. 10.2 ppb (9) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 4 a.m. 8.2 ppb (8) 4.4 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2019, 3 a.m. 11.9 ppb (11) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 2 a.m. 12.7 ppb (12) 7.6 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 1 a.m. 14.7 ppb (14) 10.6 ppb (10) N/A 4.0 ppb (4) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
July 19, 2019, midnight 17.9 ppb (17) 12.5 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 1.0 μg/m3 (4) 17.0
 
July 18, 2019, 11 p.m. 20.5 ppb (19) 15.1 ppb (14) N/A 5.0 ppb (5) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 10 p.m. 22.2 ppb (21) 15.0 ppb (14) N/A 7.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 9 p.m. 24.5 ppb (23) 16.6 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 8 p.m. 24.4 ppb (23) 16.5 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
July 18, 2019, 7 p.m. 23.4 ppb (22) 15.8 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
July 18, 2019, 6 p.m. 30.0 ppb (28) 20.1 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 4.0 μg/m3 (17) 28.0
 
July 18, 2019, 5 p.m. 35.7 ppb (33) 23.5 ppb (22) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 4.0 μg/m3 (17) 33.0
 
July 18, 2019, 4 p.m. 35.6 ppb (33) 22.7 ppb (21) N/A 13.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 6.0 μg/m3 (25) 33.0
 
July 18, 2019, 3 p.m. 42.8 ppb (40) 26.1 ppb (24) N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 4.0 μg/m3 (17) 40.0
 
July 18, 2019, 2 p.m. 29.0 ppb (27) 16.6 ppb (15) N/A 12.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 3.0 μg/m3 (12) 27.0
 
July 18, 2019, 1 p.m. 32.7 ppb (30) 18.6 ppb (17) N/A 14.0 ppb (13) N/A N/A N/A 0.38 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
July 18, 2019, noon 30.3 ppb (28) 14.8 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.36 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
July 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
 
July 18, 2019, 10 a.m. 9.7 ppb (9) 4.5 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
July 18, 2019, 9 a.m. 9.8 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 8 a.m. 8.0 ppb (7) 2.5 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 7 a.m. 8.3 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 6 a.m. 7.9 ppb (7) 3.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 5 a.m. 9.2 ppb (9) 4.4 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 4 a.m. 12.1 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 3 a.m. 13.6 ppb (13) 5.4 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 2 a.m. 13.1 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 1 a.m. 12.8 ppb (12) 3.4 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, midnight 14.5 ppb (13) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 11 p.m. 10.1 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 10 p.m. 14.4 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 9 p.m. 32.5 ppb (30) 14.9 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.37 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
July 17, 2019, 8 p.m. 41.3 ppb (38) 20.1 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 7 p.m. 42.6 ppb (39) 22.4 ppb (21) N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 6 p.m. 50.9 ppb (47) 29.3 ppb (27) N/A 22.0 ppb (20) N/A N/A N/A 0.38 ppb (4) N/A 10.0 μg/m3 (42) 47.0
 
July 17, 2019, 5 p.m. 40.1 ppb (37) 23.9 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 4 p.m. 41.6 ppb (39) 26.1 ppb (24) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A N/A 39.0
 
July 17, 2019, 3 p.m. 30.3 ppb (28) 17.8 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 2 p.m. 39.6 ppb (37) 21.4 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 1 p.m. 45.5 ppb (42) 23.0 ppb (21) N/A 23.0 ppb (21) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, noon 25.2 ppb (23) 12.3 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 10 a.m. 7.7 ppb (7) 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
 
July 17, 2019, 9 a.m. 6.2 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 8 a.m. 5.1 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 7 a.m. 5.2 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 6 a.m. 6.4 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 5 a.m. 7.9 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 4 a.m. 12.2 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 17, 2019, 3 a.m. 14.2 ppb (13) 6.6 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.44 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 2 a.m. 14.2 ppb (13) 7.3 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 1 a.m. 22.9 ppb (21) 13.4 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 17, 2019, midnight 24.3 ppb (23) 15.1 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 11 p.m. 32.4 ppb (30) 20.1 ppb (19) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 16, 2019, 10 p.m. 33.0 ppb (31) 20.6 ppb (19) N/A 12.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (29) 31.0
 
July 16, 2019, 9 p.m. 31.2 ppb (29) 18.8 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 16, 2019, 8 p.m. 31.0 ppb (29) 19.9 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 7 p.m. 31.1 ppb (29) 19.4 ppb (18) N/A 12.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 29.0
 
July 16, 2019, 6 p.m. 34.5 ppb (32) 23.4 ppb (22) N/A 11.0 ppb (10) N/A N/A N/A 0.41 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
July 16, 2019, 5 p.m. 36.0 ppb (33) 25.2 ppb (23) N/A 11.0 ppb (10) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 33.0
 
July 16, 2019, 4 p.m. 47.2 ppb (44) 35.7 ppb (33) N/A 11.0 ppb (10) N/A N/A N/A 0.46 ppb (5) N/A 6.0 μg/m3 (25) 44.0
 
July 16, 2019, 3 p.m. 39.0 ppb (36) 27.0 ppb (25) N/A 12.0 ppb (11) N/A N/A N/A 0.44 ppb (5) N/A 6.0 μg/m3 (25) 36.0
 
July 16, 2019, 2 p.m. 35.0 ppb (32) 24.6 ppb (23) N/A 10.0 ppb (9) N/A N/A N/A 0.47 ppb (5) N/A 3.0 μg/m3 (12) 32.0
 
July 16, 2019, 1 p.m. 29.2 ppb (27) 20.0 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.44 ppb (5) N/A 1.0 μg/m3 (4) 27.0
 
July 16, 2019, noon 20.3 ppb (19) 12.7 ppb (12) N/A 8.0 ppb (7) N/A N/A N/A 0.39 ppb (4) N/A 1.0 μg/m3 (4) 19.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
July 16, 2019, 9 a.m. 5.4 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
July 16, 2019, 8 a.m. 7.6 ppb (7) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 7 a.m. 10.3 ppb (10) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 6 a.m. 12.0 ppb (11) 4.8 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 5 a.m. 10.0 ppb (9) 4.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.36 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
July 16, 2019, 4 a.m. 13.3 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (8) 12.0
 
July 16, 2019, 3 a.m. 15.1 ppb (14) 7.2 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.44 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 2 a.m. 13.3 ppb (12) 6.9 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
July 16, 2019, 1 a.m. 18.9 ppb (18) 10.7 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.43 ppb (5) N/A 4.0 μg/m3 (17) 18.0
 
July 16, 2019, midnight 22.1 ppb (20) 14.1 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 11 p.m. 31.0 ppb (29) 19.8 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A 0.44 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 10 p.m. 45.7 ppb (42) 28.9 ppb (27) N/A 17.0 ppb (16) N/A N/A N/A 0.45 ppb (5) N/A 6.0 μg/m3 (25) 42.0
 
July 15, 2019, 9 p.m. 36.8 ppb (34) 22.8 ppb (21) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
July 15, 2019, 8 p.m. 26.1 ppb (24) 14.8 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 7 p.m. 42.1 ppb (39) 25.7 ppb (24) N/A 16.0 ppb (15) N/A N/A N/A 0.45 ppb (5) N/A 9.0 μg/m3 (38) 39.0
 
July 15, 2019, 6 p.m. 45.3 ppb (42) 27.0 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 5 p.m. 50.3 ppb (47) 32.2 ppb (30) N/A 18.0 ppb (17) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 4 p.m. 50.7 ppb (47) 32.2 ppb (30) N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 15, 2019, 3 p.m. 54.9 ppb (51) 35.5 ppb (33) N/A 19.0 ppb (18) N/A N/A N/A 0.55 ppb (6) N/A 12.0 μg/m3 (50) 51.0
 
July 15, 2019, 2 p.m. 41.9 ppb (39) 25.3 ppb (23) N/A 17.0 ppb (16) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 1 p.m. 48.0 ppb (44) 28.0 ppb (26) N/A 20.0 ppb (19) N/A N/A N/A 0.56 ppb (6) N/A 9.0 μg/m3 (38) 44.0
 
July 15, 2019, noon 18.0 ppb (17) 3.6 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 10 a.m. 12.7 ppb (12) 4.7 ppb (4) 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
 
July 15, 2019, 9 a.m. 9.1 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 8 a.m. 8.3 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 7 a.m. 21.2 ppb (20) 6.2 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.37 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 6 a.m. 13.1 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 5 a.m. 17.6 ppb (16) 5.2 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 4 a.m. 16.4 ppb (15) 5.9 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.48 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 15, 2019, 3 a.m. 16.6 ppb (15) 5.8 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.45 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 2 a.m. 26.5 ppb (25) 14.3 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 1 a.m. 23.8 ppb (22) 15.2 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.44 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, midnight 12.1 ppb (11) 6.9 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 11 p.m. 24.0 ppb (22) 14.8 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.47 ppb (5) N/A N/A 22.0
 
July 14, 2019, 10 p.m. 12.4 ppb (11) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.45 ppb (5) N/A N/A 11.0
 
July 14, 2019, 9 p.m. 12.2 ppb (11) 6.6 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A N/A 11.0
 
July 14, 2019, 8 p.m. 12.4 ppb (11) 6.3 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.57 ppb (6) N/A N/A 11.0
 
July 14, 2019, 7 p.m. 13.9 ppb (13) 6.9 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.74 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
July 14, 2019, 6 p.m. 13.9 ppb (13) 7.4 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 5 p.m. 11.8 ppb (11) 6.7 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 4 p.m. 12.3 ppb (11) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.56 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
July 14, 2019, 3 p.m. 11.9 ppb (11) 5.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 2 p.m. 11.5 ppb (11) 5.6 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 1 p.m. 9.8 ppb (9) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, noon 10.0 ppb (9) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 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
 
July 14, 2019, 10 a.m. 4.9 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 9 a.m. 5.6 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.29 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 14, 2019, 8 a.m. 6.3 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 7 a.m. 8.4 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 6 a.m. 10.9 ppb (10) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 5 a.m. 12.8 ppb (12) 4.2 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 4 a.m. 21.1 ppb (20) 8.3 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0