AQSQID: 060010011

Site Name: Oakland West

Location: Oakland, CA

Reporting: True, Located: True

Current AQI: 29.0

Oakland CA, US: 37.8148, -122.282402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 18, 2019, 7 a.m. 20.8 ppb (19) -0.2 ppb (0) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 10.0 ppb (8) 0.27 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 18, 2019, 6 a.m. 13.2 ppb (12) -0.4 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.28 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 18, 2019, 5 a.m. 12.7 ppb (12) -0.4 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (15) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 18, 2019, 4 a.m. 8.9 ppb (8) -0.5 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 18, 2019, 3 a.m. 5.3 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.24 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 18, 2019, 2 a.m. 3.1 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.26 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 18, 2019, 1 a.m. 2.5 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 18, 2019, midnight 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 17, 2019, 11 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 17, 2019, 10 p.m. 3.7 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 17, 2019, 9 p.m. 5.8 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.27 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 17, 2019, 8 p.m. 5.4 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.27 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Aug. 17, 2019, 7 p.m. 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.27 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 17, 2019, 6 p.m. 8.6 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.28 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 17, 2019, 5 p.m. 3.0 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 9.0 μg/m3 (38) 38.0
 
Aug. 17, 2019, 4 p.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 17, 2019, 3 p.m. 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 17, 2019, 2 p.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.27 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 17, 2019, 1 p.m. 7.5 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 17, 2019, noon 6.6 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.25 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Aug. 17, 2019, 10 a.m. 4.3 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 17, 2019, 9 a.m. 4.0 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 17, 2019, 8 a.m. 4.8 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 17, 2019, 7 a.m. 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.28 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 17, 2019, 6 a.m. 5.5 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.28 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Aug. 17, 2019, 5 a.m. 6.2 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.27 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 17, 2019, 4 a.m. 8.9 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 17, 2019, 3 a.m. 10.3 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) N/A 24.0 μg/m3 (76) 76.0
 
Aug. 17, 2019, 2 a.m. 6.3 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.29 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Aug. 17, 2019, 1 a.m. 6.7 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 17, 2019, midnight 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 16, 2019, 11 p.m. 8.6 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 16, 2019, 10 p.m. 10.4 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.33 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 16, 2019, 9 p.m. 7.6 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) 0.27 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Aug. 16, 2019, 8 p.m. 9.3 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.27 ppb (3) N/A 23.0 μg/m3 (73) 73.0
 
Aug. 16, 2019, 7 p.m. 10.8 ppb (10) 3.5 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (18) 0.29 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Aug. 16, 2019, 6 p.m. 17.8 ppb (16) 6.2 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 21.0 ppb (16) 0.34 ppb (4) N/A 24.0 μg/m3 (76) 76.0
 
Aug. 16, 2019, 5 p.m. 26.4 ppb (24) 11.6 ppb (11) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (12) 0.34 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 16, 2019, 4 p.m. 45.9 ppb (42) 25.3 ppb (23) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.39 ppb (4) N/A 26.0 μg/m3 (80) 80.0
 
Aug. 16, 2019, 3 p.m. 21.2 ppb (20) 7.6 ppb (7) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.35 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Aug. 16, 2019, 2 p.m. 17.0 ppb (16) 4.4 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 13.0 ppb (10) 0.29 ppb (3) N/A 22.0 μg/m3 (71) 71.0
 
Aug. 16, 2019, 1 p.m. 19.7 ppb (18) 2.5 ppb (2) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 16, 2019, noon 10.8 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.29 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
Aug. 16, 2019, 10 a.m. 6.4 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.25 ppb (3) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 16, 2019, 9 a.m. 5.1 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.25 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 16, 2019, 8 a.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.27 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 16, 2019, 7 a.m. 8.1 ppb (8) -0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.29 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 16, 2019, 6 a.m. 11.9 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) 0.32 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 16, 2019, 5 a.m. 17.2 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 9.0 ppb (7) 0.32 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 16, 2019, 4 a.m. 15.4 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.29 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 16, 2019, 3 a.m. 14.6 ppb (14) 0.4 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 13.0 ppb (10) 0.31 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
Aug. 16, 2019, 2 a.m. 12.6 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (14) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 16, 2019, 1 a.m. 15.1 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.31 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 16, 2019, midnight 13.7 ppb (13) 3.6 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Aug. 15, 2019, 11 p.m. 19.8 ppb (18) 6.2 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 24.0 ppb (18) 0.3 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 15, 2019, 10 p.m. 13.2 ppb (12) 3.4 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) 0.33 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 15, 2019, 9 p.m. 14.4 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.36 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 15, 2019, 8 p.m. 17.4 ppb (16) 5.5 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 24.0 ppb (18) 0.36 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Aug. 15, 2019, 7 p.m. 20.3 ppb (19) 4.2 ppb (4) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 35.0 ppb (27) 0.45 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Aug. 15, 2019, 6 p.m. 27.3 ppb (25) 8.8 ppb (8) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 23.0 ppb (18) 0.41 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 15, 2019, 5 p.m. 29.8 ppb (28) 12.4 ppb (11) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 15.0 ppb (12) 0.4 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 15, 2019, 4 p.m. 23.0 ppb (21) 9.4 ppb (9) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 14.0 ppb (11) 0.36 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 15, 2019, 3 p.m. 19.5 ppb (18) 7.2 ppb (7) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.34 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 15, 2019, 2 p.m. 18.7 ppb (17) 5.6 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 10.0 ppb (8) 0.33 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
Aug. 15, 2019, 1 p.m. 22.0 ppb (20) 4.7 ppb (4) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 5.0 ppb (4) 0.37 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 15, 2019, noon 12.7 ppb (12) 0.4 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (6) 0.33 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 15, 2019, 11 a.m. 7.0 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 15, 2019, 10 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
 
Aug. 15, 2019, 9 a.m. 9.0 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 10.0 ppb (8) 0.3 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 15, 2019, 8 a.m. 11.6 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 8.0 ppb (6) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 15, 2019, 7 a.m. 15.2 ppb (14) 0.4 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 6.0 ppb (5) 0.35 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 15, 2019, 6 a.m. 11.5 ppb (11) -0.1 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 9.0 ppb (7) 0.32 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 15, 2019, 5 a.m. 13.0 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (7) 0.29 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 15, 2019, 4 a.m. 17.7 ppb (16) 2.1 ppb (2) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 7.0 ppb (5) 0.33 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 15, 2019, 3 a.m. 12.2 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 14.0 ppb (11) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 15, 2019, 2 a.m. 15.0 ppb (14) 1.4 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 15, 2019, 1 a.m. 9.0 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 15, 2019, midnight 14.8 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 28.0 ppb (22) 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 14, 2019, 11 p.m. 16.4 ppb (15) 3.4 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 33.0 ppb (25) 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 14, 2019, 10 p.m. 14.7 ppb (14) 2.6 ppb (2) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 37.0 ppb (28) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 9 p.m. 15.7 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 37.0 ppb (28) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 14, 2019, 8 p.m. 15.3 ppb (14) 2.5 ppb (2) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 40.0 ppb (31) 0.31 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 14, 2019, 7 p.m. 22.3 ppb (21) 4.6 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 36.0 ppb (28) 0.44 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 14, 2019, 6 p.m. 26.1 ppb (24) 8.4 ppb (8) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 23.0 ppb (18) 0.39 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 14, 2019, 5 p.m. 27.5 ppb (25) 11.3 ppb (10) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 15.0 ppb (12) 0.35 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 14, 2019, 4 p.m. 22.4 ppb (21) 9.6 ppb (9) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 13.0 ppb (10) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 3 p.m. 26.0 ppb (24) 11.6 ppb (11) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 11.0 ppb (8) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 14, 2019, 2 p.m. 41.6 ppb (39) 21.3 ppb (20) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (3) 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 14, 2019, 1 p.m. 30.4 ppb (28) 10.0 ppb (9) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 2.0 ppb (2) 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, noon 19.3 ppb (18) 2.1 ppb (2) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Aug. 14, 2019, 10 a.m. 15.2 ppb (14) 0.5 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 6.0 ppb (5) 0.36 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 14, 2019, 9 a.m. 21.0 ppb (19) 1.2 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 3.0 ppb (2) 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 14, 2019, 8 a.m. 24.3 ppb (23) 2.0 ppb (2) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 2.0 ppb (2) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 7 a.m. 13.7 ppb (13) -0.5 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 10.0 ppb (8) 0.28 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 14, 2019, 6 a.m. 31.7 ppb (29) 6.4 ppb (6) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 14, 2019, 5 a.m. 17.8 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 10.0 ppb (8) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 14, 2019, 4 a.m. 8.9 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 3 a.m. 13.6 ppb (13) 0.2 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 15.0 ppb (12) 0.32 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 14, 2019, 2 a.m. 17.1 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 14.0 ppb (11) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 14, 2019, 1 a.m. 18.5 ppb (17) 4.9 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 14, 2019, midnight 18.6 ppb (17) 6.3 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 18.0 ppb (14) 0.31 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 13, 2019, 11 p.m. 13.4 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 22.0 ppb (17) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 13, 2019, 10 p.m. 14.5 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 13, 2019, 9 p.m. 14.6 ppb (14) 4.3 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.34 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 13, 2019, 8 p.m. 15.1 ppb (14) 4.5 ppb (4) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) 0.3 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 13, 2019, 7 p.m. 21.3 ppb (20) 7.9 ppb (7) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.34 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 13, 2019, 6 p.m. 30.1 ppb (28) 12.7 ppb (12) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 16.0 ppb (12) 0.34 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 13, 2019, 5 p.m. 29.3 ppb (27) 13.7 ppb (13) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) 0.39 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 13, 2019, 4 p.m. 36.1 ppb (33) 18.1 ppb (17) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 10.0 ppb (8) 0.39 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 13, 2019, 3 p.m. 42.3 ppb (39) 21.9 ppb (20) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 8.0 ppb (6) 0.38 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Aug. 13, 2019, 2 p.m. 45.7 ppb (42) 22.7 ppb (21) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 4.0 ppb (3) 0.33 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Aug. 13, 2019, 1 p.m. 31.3 ppb (29) 8.3 ppb (8) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 13, 2019, noon 14.6 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 13, 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
 
Aug. 13, 2019, 10 a.m. 13.1 ppb (12) -0.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 13, 2019, 9 a.m. 15.8 ppb (15) 3.4 ppb (3) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 13, 2019, 8 a.m. 12.0 ppb (11) -0.5 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 13, 2019, 7 a.m. 11.0 ppb (10) -0.4 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 13, 2019, 6 a.m. 8.7 ppb (8) -0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.26 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 13, 2019, 5 a.m. 10.2 ppb (9) -0.5 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 17.0 ppb (13) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 13, 2019, 4 a.m. 15.4 ppb (14) -0.3 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 14.0 ppb (11) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 13, 2019, 3 a.m. 16.6 ppb (15) 0.1 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 13, 2019, 2 a.m. 14.3 ppb (13) 1.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (12) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 13, 2019, 1 a.m. 18.5 ppb (17) 5.4 ppb (5) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 16.0 ppb (12) 0.31 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 13, 2019, midnight 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 12, 2019, 11 p.m. 13.7 ppb (13) 4.2 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 12, 2019, 10 p.m. 12.0 ppb (11) 3.3 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
Aug. 12, 2019, 9 p.m. 13.3 ppb (12) 3.8 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 12, 2019, 8 p.m. 11.1 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 32.0 ppb (25) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 2019, 7 p.m. 19.5 ppb (18) 6.7 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (18) 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 12, 2019, 6 p.m. 30.6 ppb (28) 13.3 ppb (12) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (12) 0.34 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Aug. 12, 2019, 5 p.m. 36.4 ppb (34) 18.1 ppb (17) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 12.0 ppb (9) 0.39 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
Aug. 12, 2019, 4 p.m. 36.5 ppb (34) 17.7 ppb (16) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 11.0 ppb (8) 0.47 ppb (5) N/A N/A 34.0
 
Aug. 12, 2019, 3 p.m. 36.0 ppb (33) 17.6 ppb (16) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (6) 0.38 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 12, 2019, 2 p.m. 34.4 ppb (32) 14.0 ppb (13) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 6.0 ppb (5) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 2019, 1 p.m. 29.6 ppb (27) 8.9 ppb (8) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 4.0 ppb (3) 0.46 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 2019, noon 15.2 ppb (14) -0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 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
 
Aug. 12, 2019, 10 a.m. 17.8 ppb (16) -0.3 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 7.0 ppb (5) 0.23 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 12, 2019, 9 a.m. 10.0 ppb (9) -0.5 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 12, 2019, 8 a.m. 20.7 ppb (19) 2.3 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 9.0 ppb (7) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 12, 2019, 7 a.m. 8.4 ppb (8) -0.5 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 2019, 6 a.m. 10.0 ppb (9) -0.5 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 12, 2019, 5 a.m. 9.8 ppb (9) -0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 16.0 ppb (12) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 12, 2019, 4 a.m. 17.8 ppb (16) 0.1 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 10.0 ppb (8) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 12, 2019, 3 a.m. 12.3 ppb (11) -0.2 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 12, 2019, 2 a.m. 18.5 ppb (17) 3.2 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 12, 2019, 1 a.m. 9.4 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 12, 2019, midnight 14.5 ppb (13) 4.3 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 11, 2019, 11 p.m. 11.9 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 11, 2019, 10 p.m. 8.6 ppb (8) 2.6 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 11, 2019, 9 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Aug. 11, 2019, 8 p.m. 6.5 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Aug. 11, 2019, 7 p.m. 8.5 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Aug. 11, 2019, 6 p.m. 9.3 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 11, 2019, 5 p.m. 7.9 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.24 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 11, 2019, 4 p.m. 9.3 ppb (9) 3.2 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 11, 2019, 3 p.m. 15.6 ppb (14) 6.0 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (10) 0.23 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 11, 2019, 2 p.m. 7.1 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 12.0
 
Aug. 11, 2019, 1 p.m. 12.3 ppb (11) 1.8 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Aug. 11, 2019, noon 5.4 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.19 ppb (2) N/A 1.0 μg/m3 (4) 13.0
 
Aug. 11, 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 (0) N/A
Aug. 11, 2019, 10 a.m. 5.0 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) N/A 2.0 μg/m3 (8) 13.0
 
Aug. 11, 2019, 9 a.m. 4.0 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 11, 2019, 8 a.m. 4.8 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) N/A 2.0 μg/m3 (8) 14.0