AQSQID: 060010009

Site Name: Oakland

Location: Oakland (International Blvd), CA

Reporting: True, Located: True

Current AQI: 19.0

Oakland (International Blvd) CA, US: 37.743061, -122.169907

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 15, 2019, noon 1.6 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Sept. 15, 2019, 10 a.m. 0.3 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (22) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 15, 2019, 9 a.m. 0.4 ppb (0) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (21) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
Sept. 15, 2019, 8 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (20) 0.24 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
Sept. 15, 2019, 7 a.m. 1.3 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Sept. 15, 2019, 6 a.m. 1.5 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 15, 2019, 5 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 17.0
 
Sept. 15, 2019, 4 a.m. 3.0 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 3 a.m. 5.1 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 2 a.m. 5.6 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 1 a.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, midnight 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 11 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 10 p.m. 7.2 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 14, 2019, 9 p.m. 7.2 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 8 p.m. 10.2 ppb (9) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 7 p.m. 12.1 ppb (11) 2.5 ppb (2) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.38 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 6 p.m. 11.8 ppb (11) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.38 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, 5 p.m. 22.3 ppb (21) 7.6 ppb (7) N/A 15.0 ppb (14) N/A N/A 18.0 ppb (14) 0.46 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2019, 4 p.m. 40.0 ppb (37) 15.9 ppb (15) N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.68 ppb (8) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 14, 2019, 3 p.m. 25.8 ppb (24) 8.9 ppb (8) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 2 p.m. 14.3 ppb (13) 2.7 ppb (3) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 1 p.m. 21.1 ppb (20) 3.9 ppb (4) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, noon 17.2 ppb (16) 2.9 ppb (3) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 10 a.m. 18.6 ppb (17) 1.9 ppb (2) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 a.m. 11.7 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.45 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 8 a.m. 10.7 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 7 a.m. 11.3 ppb (10) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 6 a.m. 13.4 ppb (12) 1.7 ppb (2) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.5 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 14, 2019, 5 a.m. 12.2 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 4 a.m. 25.6 ppb (24) 3.1 ppb (3) N/A 23.0 ppb (21) N/A N/A 13.0 ppb (10) 0.67 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 3 a.m. 20.6 ppb (19) 0.5 ppb (0) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (18) 0.55 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 14, 2019, 2 a.m. 9.7 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 1 a.m. 16.3 ppb (15) 0.7 ppb (1) N/A 16.0 ppb (15) N/A N/A 40.0 ppb (31) 0.38 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Sept. 14, 2019, midnight 13.1 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 53.0 ppb (41) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 41.0
 
Sept. 13, 2019, 11 p.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 57.0 ppb (44) 0.29 ppb (3) N/A 8.0 μg/m3 (33) 44.0
 
Sept. 13, 2019, 10 p.m. 11.2 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 75.0 ppb (58) 0.32 ppb (4) N/A 12.0 μg/m3 (50) 58.0
 
Sept. 13, 2019, 9 p.m. 12.1 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 76.0 ppb (59) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 59.0
 
Sept. 13, 2019, 8 p.m. 16.7 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A N/A 64.0 ppb (49) 0.37 ppb (4) N/A 9.0 μg/m3 (38) 49.0
 
Sept. 13, 2019, 7 p.m. 33.1 ppb (31) 6.5 ppb (6) N/A 27.0 ppb (25) N/A N/A 38.0 ppb (29) 0.46 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 6 p.m. 41.8 ppb (39) 9.8 ppb (9) N/A 32.0 ppb (30) N/A N/A 29.0 ppb (22) 0.58 ppb (6) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 13, 2019, 5 p.m. 37.4 ppb (35) 9.3 ppb (9) N/A 28.0 ppb (26) N/A N/A 27.0 ppb (21) 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 4 p.m. 16.8 ppb (16) 3.5 ppb (3) N/A 13.0 ppb (12) N/A N/A 27.0 ppb (21) 0.46 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 3 p.m. 20.9 ppb (19) 5.4 ppb (5) N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) 0.58 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 2 p.m. 22.2 ppb (21) 4.9 ppb (5) N/A 17.0 ppb (16) N/A N/A 13.0 ppb (10) 0.6 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 1 p.m. 23.3 ppb (22) 4.0 ppb (4) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.59 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, noon 14.5 ppb (13) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.45 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 10 a.m. 6.1 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 9 a.m. 3.9 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 8 a.m. 8.3 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 13, 2019, 7 a.m. 8.6 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 6 a.m. 11.9 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 5 a.m. 11.4 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.41 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 4 a.m. 17.9 ppb (17) 1.7 ppb (2) N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 3 a.m. 21.4 ppb (20) 0.3 ppb (0) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.56 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2019, 2 a.m. 14.2 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 1 a.m. 16.2 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, midnight 12.8 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 36.0 ppb (28) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Sept. 12, 2019, 11 p.m. 12.6 ppb (12) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 45.0 ppb (35) 0.35 ppb (4) N/A 8.0 μg/m3 (33) 35.0
 
Sept. 12, 2019, 10 p.m. 14.2 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 53.0 ppb (41) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 41.0
 
Sept. 12, 2019, 9 p.m. 19.9 ppb (18) 2.9 ppb (3) N/A 17.0 ppb (16) N/A N/A 47.0 ppb (36) 0.37 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 8 p.m. 20.4 ppb (19) 3.4 ppb (3) N/A 17.0 ppb (16) N/A N/A 43.0 ppb (33) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 7 p.m. 22.2 ppb (21) 4.6 ppb (4) N/A 18.0 ppb (17) N/A N/A 35.0 ppb (27) 0.45 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 12, 2019, 6 p.m. 28.5 ppb (26) 7.8 ppb (7) N/A 21.0 ppb (19) N/A N/A 26.0 ppb (20) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 5 p.m. 16.3 ppb (15) 4.4 ppb (4) N/A 12.0 ppb (11) N/A N/A 27.0 ppb (21) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 4 p.m. 17.5 ppb (16) 5.1 ppb (5) N/A 12.0 ppb (11) N/A N/A 22.0 ppb (17) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 3 p.m. 27.2 ppb (25) 10.2 ppb (9) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.69 ppb (8) N/A 5.0 μg/m3 (21) 25.0
 
Sept. 12, 2019, 2 p.m. 27.6 ppb (26) 10.0 ppb (9) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) 0.67 ppb (7) N/A 6.0 μg/m3 (25) 26.0
 
Sept. 12, 2019, 1 p.m. 20.2 ppb (19) 3.9 ppb (4) N/A 16.0 ppb (15) N/A N/A 5.0 ppb (4) 0.57 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, noon 15.5 ppb (14) 2.7 ppb (3) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.48 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 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. 12, 2019, 10 a.m. 6.3 ppb (6) -0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 9 a.m. 7.9 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 12, 2019, 8 a.m. 9.5 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 12, 2019, 7 a.m. 9.8 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2019, 6 a.m. 19.1 ppb (18) 0.9 ppb (1) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.48 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 12, 2019, 5 a.m. 21.4 ppb (20) 0.9 ppb (1) N/A 21.0 ppb (19) N/A N/A 12.0 ppb (9) 0.56 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 4 a.m. 15.5 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 3 a.m. 15.4 ppb (14) 0.3 ppb (0) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 2 a.m. 11.5 ppb (11) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 26.0
 
Sept. 12, 2019, 1 a.m. 13.0 ppb (12) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 30.0 ppb (23) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, midnight 10.7 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 11 p.m. 11.8 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.33 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, 10 p.m. 10.1 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 52.0 ppb (40) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 40.0
 
Sept. 11, 2019, 9 p.m. 14.2 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 42.0 ppb (32) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 32.0
 
Sept. 11, 2019, 8 p.m. 15.3 ppb (14) 3.6 ppb (3) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
Sept. 11, 2019, 7 p.m. 12.6 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 6 p.m. 11.4 ppb (11) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 5 p.m. 9.0 ppb (8) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 4 p.m. 12.2 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 3 p.m. 16.7 ppb (15) 8.0 ppb (7) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 2 p.m. 20.0 ppb (19) 9.8 ppb (9) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.54 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 1 p.m. 16.3 ppb (15) 5.5 ppb (5) N/A 11.0 ppb (10) N/A N/A 1.0 ppb (1) 0.49 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, noon 7.1 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 6.0 ppb (5) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 10 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 8.0 ppb (6) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 11, 2019, 9 a.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 10.0 ppb (8) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 8 a.m. 5.8 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 7 a.m. 5.2 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, 6 a.m. 3.7 ppb (3) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 5 a.m. 6.9 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 4 a.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 3 a.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 11, 2019, 2 a.m. 7.7 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 1 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 11, 2019, midnight 4.6 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 11 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 10 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, 9 p.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 8 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 7 p.m. 5.0 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 10, 2019, 6 p.m. 6.6 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 10, 2019, 5 p.m. 6.2 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 10, 2019, 4 p.m. 7.0 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (20) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 3 p.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 2 p.m. 10.4 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 16.0
 
Sept. 10, 2019, 1 p.m. 6.9 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 10, 2019, noon 4.4 ppb (4) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 10 a.m. 5.8 ppb (5) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 10, 2019, 9 a.m. 5.1 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 8 a.m. 6.1 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 10, 2019, 7 a.m. 5.0 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 10, 2019, 6 a.m. 5.5 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.28 ppb (3) N/A 3.0 μg/m3 (12) 19.0
 
Sept. 10, 2019, 5 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 10, 2019, 4 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.26 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, 3 a.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.25 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Sept. 10, 2019, 2 a.m. 3.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 10, 2019, 1 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 10, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 9, 2019, 11 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Sept. 9, 2019, 10 p.m. 3.3 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 9 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 9, 2019, 8 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 7 p.m. 5.3 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Sept. 9, 2019, 6 p.m. 7.5 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Sept. 9, 2019, 5 p.m. 8.9 ppb (8) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 4 p.m. 6.9 ppb (6) 2.2 ppb (2) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 3 p.m. 8.1 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.31 ppb (3) N/A N/A 12.0
 
Sept. 9, 2019, 2 p.m. 13.0 ppb (12) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 12.0
 
Sept. 9, 2019, 1 p.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 12.0
 
Sept. 9, 2019, noon 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 14.0
 
Sept. 9, 2019, 11 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
 
Sept. 9, 2019, 10 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 13.0
 
Sept. 9, 2019, 9 a.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 8 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 14.0 ppb (11) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, 7 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 6 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.37 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 9, 2019, 5 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Sept. 9, 2019, 4 a.m. 7.3 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 3 a.m. 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 2 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Sept. 9, 2019, 1 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, midnight 3.5 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 8, 2019, 11 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 8, 2019, 10 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 8, 2019, 9 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Sept. 8, 2019, 8 p.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Sept. 8, 2019, 7 p.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 20.0
 
Sept. 8, 2019, 6 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 17.0
 
Sept. 8, 2019, 5 p.m. 10.5 ppb (10) 5.7 ppb (5) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.38 ppb (4) N/A 60.0 μg/m3 (152) 152.0
 
Sept. 8, 2019, 4 p.m. 6.4 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Sept. 8, 2019, 3 p.m. 5.0 ppb (5) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 8, 2019, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 8, 2019, 1 p.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.31 ppb (3) N/A 1.0 μg/m3 (4) 10.0