AQSQID: 060010011

Site Name: Oakland West

Location: Oakland, CA

Reporting: True, Located: True

Current AQI: 16.0

Oakland CA, US: 37.8148, -122.282402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 3 p.m. 16.9 ppb (16) 1.9 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 16.0
 
Sept. 16, 2019, 2 p.m. 11.6 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 1 p.m. 13.3 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 14.0 ppb (11) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, noon 10.7 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 10 a.m. 9.7 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 12.0 ppb (9) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 9 a.m. 4.0 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 8 a.m. 12.5 ppb (12) -0.4 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (7) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 7 a.m. 16.6 ppb (15) 2.6 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 16, 2019, 6 a.m. 10.9 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 5 a.m. 4.0 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 16, 2019, 4 a.m. 7.9 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) N/A 3.0 μg/m3 (12) 13.0
 
Sept. 16, 2019, 3 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 2 a.m. 3.4 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 16, 2019, 1 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, midnight 3.3 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 11 p.m. 15.4 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 10 p.m. 3.5 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 9 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 8 p.m. 3.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 7 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 15, 2019, 6 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 5 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 4 p.m. 3.6 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 p.m. 8.1 ppb (8) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 p.m. 5.3 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 1 p.m. 7.8 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 15, 2019, noon 8.5 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 10 a.m. 0.7 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 9 a.m. 0.8 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 8 a.m. 1.2 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 7 a.m. 2.1 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 6 a.m. 2.4 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 5 a.m. 3.8 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 4 a.m. 8.4 ppb (8) -0.3 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 a.m. 7.2 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 19.0 ppb (15) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 2 a.m. 7.6 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 a.m. 12.4 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, midnight 8.4 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 11 p.m. 7.0 ppb (6) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.28 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 10 p.m. 9.7 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 p.m. 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 8 p.m. 12.2 ppb (11) 3.5 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 7 p.m. 13.5 ppb (12) 3.9 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 14, 2019, 6 p.m. 13.2 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 5 p.m. 14.9 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 4 p.m. 17.6 ppb (16) 6.5 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.37 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 3 p.m. 16.1 ppb (15) 5.2 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 2 p.m. 10.5 ppb (10) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 1 p.m. 6.7 ppb (6) -0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, noon 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 10 a.m. 9.9 ppb (9) -0.3 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 9 a.m. 13.3 ppb (12) 0.4 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 8 a.m. 27.1 ppb (25) 8.7 ppb (8) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 2.0 ppb (2) 0.47 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 14, 2019, 7 a.m. 20.6 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 3.0 ppb (2) 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 6 a.m. 19.4 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 4.0 ppb (3) 0.44 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 5 a.m. 19.9 ppb (18) 0.9 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 5.0 ppb (4) 0.42 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 4 a.m. 15.4 ppb (14) 0.5 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (9) 0.38 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 3 a.m. 23.2 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 12.0 ppb (9) 0.39 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 2 a.m. 13.6 ppb (13) 0.3 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 1 a.m. 16.1 ppb (15) 0.8 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 45.0 ppb (35) 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, midnight 31.6 ppb (29) 5.6 ppb (5) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 35.0 ppb (27) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 11 p.m. 36.9 ppb (34) 7.3 ppb (7) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 36.0 ppb (28) 0.32 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 10 p.m. 15.5 ppb (14) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 67.0 ppb (52) 0.35 ppb (4) N/A 11.0 μg/m3 (46) 52.0
 
Sept. 13, 2019, 9 p.m. 13.8 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A 3.0 ppb (4) 90.0 ppb (71) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 71.0
 
Sept. 13, 2019, 8 p.m. 14.1 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 79.0 ppb (62) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 62.0
 
Sept. 13, 2019, 7 p.m. 14.6 ppb (14) 1.3 ppb (1) N/A 13.0 ppb (12) N/A 3.0 ppb (4) 55.0 ppb (42) 0.37 ppb (4) N/A 9.0 μg/m3 (38) 42.0
 
Sept. 13, 2019, 6 p.m. 24.7 ppb (23) 6.0 ppb (6) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 32.0 ppb (25) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 5 p.m. 27.8 ppb (26) 8.9 ppb (8) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 20.0 ppb (15) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 13, 2019, 4 p.m. 35.4 ppb (33) 13.8 ppb (13) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 13.0 ppb (10) 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 3 p.m. 53.8 ppb (50) 28.6 ppb (26) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 7.0 ppb (5) 0.7 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 2 p.m. 74.1 ppb (71) 46.3 ppb (43) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 2.0 ppb (2) 1.18 ppb (13) N/A 13.0 μg/m3 (52) 71.0
 
Sept. 13, 2019, 1 p.m. 47.3 ppb (44) 21.7 ppb (20) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 1.2 ppb (13) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, noon 42.5 ppb (39) 18.0 ppb (17) N/A 25.0 ppb (23) N/A N/A 1.0 ppb (1) 1.23 ppb (14) N/A 7.0 μg/m3 (29) 39.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 13, 2019, 10 a.m. 44.4 ppb (41) 24.8 ppb (23) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.87 ppb (10) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 13, 2019, 9 a.m. 46.4 ppb (43) 26.2 ppb (24) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.86 ppb (10) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 8 a.m. 44.7 ppb (41) 23.8 ppb (22) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 0.77 ppb (9) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 7 a.m. 35.5 ppb (33) 13.2 ppb (12) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 6 a.m. 29.2 ppb (27) 5.7 ppb (5) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 5 a.m. 25.7 ppb (24) 4.2 ppb (4) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (3) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 4 a.m. 28.3 ppb (26) 4.8 ppb (4) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 4.0 ppb (3) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 3 a.m. 21.5 ppb (20) 1.1 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 9.0 ppb (7) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 2 a.m. 21.8 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 1 a.m. 13.7 ppb (13) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, midnight 12.9 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 11 p.m. 13.8 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (25) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 25.0
 
Sept. 12, 2019, 10 p.m. 11.9 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
Sept. 12, 2019, 9 p.m. 19.1 ppb (18) 3.7 ppb (3) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 36.0 ppb (28) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 8 p.m. 22.8 ppb (21) 4.1 ppb (4) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 38.0 ppb (29) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 7 p.m. 35.3 ppb (33) 10.4 ppb (10) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 26.0 ppb (20) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 6 p.m. 55.7 ppb (52) 24.3 ppb (23) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 15.0 ppb (12) 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 12, 2019, 5 p.m. 61.5 ppb (58) 26.5 ppb (25) N/A 35.0 ppb (32) N/A 1.0 ppb (1) 13.0 ppb (10) 0.64 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 12, 2019, 4 p.m. 67.5 ppb (64) 33.7 ppb (31) N/A 34.0 ppb (31) N/A 1.0 ppb (1) 9.0 ppb (7) 0.75 ppb (8) N/A 14.0 μg/m3 (54) 64.0
 
Sept. 12, 2019, 3 p.m. 78.0 ppb (76) 48.5 ppb (45) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (5) 1.04 ppb (12) N/A 12.0 μg/m3 (50) 76.0
 
Sept. 12, 2019, 2 p.m. 91.1 ppb (89) 64.5 ppb (61) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 1.18 ppb (13) N/A 9.0 μg/m3 (38) 89.0
 
Sept. 12, 2019, 1 p.m. 58.6 ppb (55) 37.2 ppb (34) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 1.0 ppb (1) 1.07 ppb (12) N/A 7.0 μg/m3 (29) 55.0
 
Sept. 12, 2019, noon 30.9 ppb (29) 11.6 ppb (11) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 11 a.m. 24.9 ppb (23) 5.3 ppb (5) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 0.71 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 9 a.m. 17.9 ppb (17) 0.2 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (5) 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2019, 8 a.m. 17.5 ppb (16) -0.2 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (7) 0.42 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 7 a.m. 25.4 ppb (24) 0.3 ppb (0) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (4) 0.53 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 6 a.m. 24.6 ppb (23) 2.2 ppb (2) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 3.0 ppb (2) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 5 a.m. 18.5 ppb (17) 0.3 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 4 a.m. 14.3 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 3 a.m. 15.3 ppb (14) 0.1 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 2 a.m. 11.6 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 1 a.m. 11.5 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 36.0 ppb (28) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 28.0
 
Sept. 12, 2019, midnight 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 11 p.m. 8.9 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.25 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, 10 p.m. 11.7 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 9 p.m. 11.1 ppb (10) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 44.0 ppb (34) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 8 p.m. 15.1 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 34.0 ppb (26) 0.37 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 7 p.m. 15.2 ppb (14) 4.3 ppb (4) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 6 p.m. 17.7 ppb (16) 5.8 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 21.0 ppb (16) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 5 p.m. 21.4 ppb (20) 8.0 ppb (7) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 4 p.m. 17.7 ppb (16) 5.9 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 16.0 ppb (12) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 3 p.m. 18.2 ppb (17) 6.2 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 2 p.m. 30.1 ppb (28) 11.5 ppb (11) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 4.0 ppb (3) 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 1 p.m. 28.2 ppb (26) 9.9 ppb (9) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 1.0 ppb (1) 0.56 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, noon 21.4 ppb (20) 3.7 ppb (3) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 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
 
Sept. 11, 2019, 10 a.m. 8.3 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, 9 a.m. 6.0 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 8 a.m. 6.6 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 7 a.m. 5.0 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.27 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 11, 2019, 6 a.m. 5.9 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2019, 5 a.m. 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 4 a.m. 4.8 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 3 a.m. 7.9 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2019, 2 a.m. 14.9 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (12) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, 1 a.m. 11.0 ppb (10) 1.2 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.27 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 11, 2019, midnight 17.4 ppb (16) 6.1 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 11 p.m. 10.8 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 10, 2019, 10 p.m. 12.4 ppb (11) 4.1 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 9 p.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 8 p.m. 7.8 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 10, 2019, 7 p.m. 7.8 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) N/A N/A 22.0
 
Sept. 10, 2019, 6 p.m. 13.3 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) N/A N/A 20.0
 
Sept. 10, 2019, 5 p.m. 10.2 ppb (9) 2.5 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 4 p.m. 10.9 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 3 p.m. 11.4 ppb (11) 1.9 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 2 p.m. 11.6 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (16) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 10, 2019, 1 p.m. 18.6 ppb (17) 1.0 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (10) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, noon 13.8 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A N/A 14.0 ppb (11) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, 10 a.m. 9.3 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 9 a.m. 4.5 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 8 a.m. 7.2 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 7 a.m. 12.9 ppb (12) -0.5 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 6 a.m. 8.8 ppb (8) -0.5 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 5 a.m. 5.9 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 4 a.m. 5.3 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 3 a.m. 6.6 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 2 a.m. 5.9 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, 1 a.m. 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, midnight 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 11 p.m. 7.2 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 10 p.m. 6.9 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 9 p.m. 5.6 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 8 p.m. 6.8 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 9, 2019, 7 p.m. 7.9 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 9, 2019, 6 p.m. 11.7 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 5 p.m. 13.0 ppb (12) 4.5 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 4 p.m. 16.2 ppb (15) 6.1 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0