AQSQID: 060010009

Site Name: Oakland

Location: Oakland (N Stonehurst), CA

Reporting: True, Located: True

Current AQI: 38.0

Oakland (N Stonehurst) CA, US: 37.743061, -122.169907

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2020, 7 a.m. 13.8 ppb (13) 3.4 ppb (3) N/A 10.0 ppb (9) N/A N/A 3.0 ppb (2) 0.46 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 6 a.m. 29.1 ppb (27) 11.1 ppb (10) N/A 18.0 ppb (17) N/A N/A 1.0 ppb (1) 0.64 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 5 a.m. 40.1 ppb (37) 16.5 ppb (15) N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 0.81 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 4 a.m. 32.3 ppb (30) 10.3 ppb (10) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.6 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 3 a.m. 60.5 ppb (57) 29.1 ppb (27) N/A 31.0 ppb (29) N/A N/A 0.0 ppb (0) 0.71 ppb (8) N/A 11.0 μg/m3 (46) 57.0
 
Jan. 24, 2020, 2 a.m. 18.1 ppb (17) 3.5 ppb (3) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.49 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 24, 2020, 1 a.m. 29.0 ppb (27) 8.8 ppb (8) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, midnight 39.5 ppb (37) 11.7 ppb (11) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.46 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2020, 11 p.m. 38.8 ppb (36) 13.3 ppb (12) N/A 26.0 ppb (24) N/A N/A 7.0 ppb (5) 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 10 p.m. 38.3 ppb (35) 13.6 ppb (13) N/A 25.0 ppb (23) N/A N/A 6.0 ppb (5) 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 9 p.m. 31.0 ppb (29) 11.3 ppb (10) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) 0.45 ppb (5) N/A N/A 29.0
 
Jan. 23, 2020, 8 p.m. 13.7 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 7 p.m. 8.3 ppb (8) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 6 p.m. 8.6 ppb (8) 3.3 ppb (3) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 5 p.m. 10.7 ppb (10) 4.3 ppb (4) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.36 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, 4 p.m. 11.0 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 3 p.m. 10.1 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 2 p.m. 7.9 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 1 p.m. 6.2 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 23, 2020, noon 4.8 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 23, 2020, 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
 
Jan. 23, 2020, 10 a.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 23, 2020, 9 a.m. 5.2 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 23, 2020, 8 a.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 23, 2020, 7 a.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 6 a.m. 7.3 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (18) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 5 a.m. 13.5 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.45 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 4 a.m. 14.8 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, 3 a.m. 19.9 ppb (18) 3.9 ppb (4) N/A 16.0 ppb (15) N/A N/A 16.0 ppb (12) 0.53 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, 2 a.m. 31.7 ppb (29) 4.2 ppb (4) N/A 28.0 ppb (26) N/A N/A 11.0 ppb (8) 0.64 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 23, 2020, 1 a.m. 21.5 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, midnight 22.0 ppb (20) 4.2 ppb (4) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (15) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 11 p.m. 19.3 ppb (18) 4.6 ppb (4) N/A 15.0 ppb (14) N/A N/A 22.0 ppb (17) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 22, 2020, 10 p.m. 16.0 ppb (15) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 22, 2020, 9 p.m. 19.3 ppb (18) 6.6 ppb (6) N/A 13.0 ppb (12) N/A N/A 21.0 ppb (16) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 22, 2020, 8 p.m. 21.4 ppb (20) 7.6 ppb (7) N/A 14.0 ppb (13) N/A N/A 18.0 ppb (14) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2020, 7 p.m. 16.1 ppb (15) 6.2 ppb (6) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 6 p.m. 23.2 ppb (21) 9.7 ppb (9) N/A 14.0 ppb (13) N/A N/A 17.0 ppb (13) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 22, 2020, 5 p.m. 10.4 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 22, 2020, 4 p.m. 28.5 ppb (26) 12.1 ppb (11) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.64 ppb (7) N/A N/A 26.0
 
Jan. 22, 2020, 3 p.m. 32.4 ppb (30) 9.4 ppb (9) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) 0.78 ppb (9) N/A 5.0 μg/m3 (21) 30.0
 
Jan. 22, 2020, 2 p.m. 26.2 ppb (24) 5.4 ppb (5) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.63 ppb (7) N/A 3.0 μg/m3 (12) 24.0
 
Jan. 22, 2020, 1 p.m. 14.1 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.4 ppb (4) N/A 1.0 μg/m3 (4) 13.0
 
Jan. 22, 2020, noon 10.3 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) 0.36 ppb (4) N/A 1.0 μg/m3 (4) 12.0
 
Jan. 22, 2020, 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
 
Jan. 22, 2020, 10 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.41 ppb (5) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 22, 2020, 9 a.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2020, 8 a.m. 10.5 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 7 a.m. 12.5 ppb (12) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 13.0
 
Jan. 22, 2020, 6 a.m. 10.8 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2020, 5 a.m. 16.7 ppb (15) 1.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) 0.46 ppb (5) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2020, 4 a.m. 18.5 ppb (17) 2.5 ppb (2) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2020, 3 a.m. 14.9 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2020, 2 a.m. 10.3 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 22, 2020, 1 a.m. 14.8 ppb (14) 2.4 ppb (2) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 22, 2020, midnight 8.4 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 19.0
 
Jan. 21, 2020, 11 p.m. 10.4 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 21, 2020, 10 p.m. 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 21, 2020, 9 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 21, 2020, 8 p.m. 6.0 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 21, 2020, 7 p.m. 8.0 ppb (7) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 21, 2020, 6 p.m. 9.5 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 21, 2020, 5 p.m. 21.0 ppb (19) 4.9 ppb (5) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 4 p.m. 26.4 ppb (24) 5.3 ppb (5) N/A 21.0 ppb (19) N/A N/A 14.0 ppb (11) 0.55 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 3 p.m. 21.9 ppb (20) 2.7 ppb (3) N/A 19.0 ppb (18) N/A N/A 16.0 ppb (12) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 2 p.m. 21.6 ppb (20) 1.8 ppb (2) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 1 p.m. 15.1 ppb (14) 1.3 ppb (1) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, noon 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 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
 
Jan. 21, 2020, 10 a.m. 11.3 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2020, 9 a.m. 9.8 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 8 a.m. 17.0 ppb (16) 2.8 ppb (3) N/A 14.0 ppb (13) N/A N/A 5.0 ppb (4) 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 7 a.m. 19.3 ppb (18) 3.2 ppb (3) N/A 16.0 ppb (15) N/A N/A 4.0 ppb (3) 0.52 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 6 a.m. 19.5 ppb (18) 2.9 ppb (3) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.54 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 21, 2020, 5 a.m. 27.3 ppb (25) 6.1 ppb (6) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.61 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 21, 2020, 4 a.m. 40.7 ppb (38) 15.4 ppb (14) N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 0.82 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, 3 a.m. 49.4 ppb (46) 21.9 ppb (20) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.88 ppb (10) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 21, 2020, 2 a.m. 42.1 ppb (39) 15.2 ppb (14) N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 1 a.m. 39.6 ppb (37) 13.3 ppb (12) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.72 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 21, 2020, midnight 37.7 ppb (35) 14.5 ppb (13) N/A 23.0 ppb (21) N/A N/A 3.0 ppb (2) 0.66 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 11 p.m. 34.5 ppb (32) 15.9 ppb (15) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.61 ppb (7) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 20, 2020, 10 p.m. 21.4 ppb (20) 8.3 ppb (8) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) 0.5 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 9 p.m. 30.9 ppb (29) 15.1 ppb (14) N/A 16.0 ppb (15) N/A N/A 7.0 ppb (5) 0.61 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 8 p.m. 26.7 ppb (25) 11.3 ppb (10) N/A 15.0 ppb (14) N/A N/A 6.0 ppb (5) 0.52 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 7 p.m. 26.2 ppb (24) 11.9 ppb (11) N/A 14.0 ppb (13) N/A N/A 6.0 ppb (5) 0.51 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 6 p.m. 17.8 ppb (16) 7.4 ppb (7) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) 0.46 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 5 p.m. 15.8 ppb (15) 6.2 ppb (6) N/A 10.0 ppb (9) N/A N/A 9.0 ppb (7) 0.47 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 4 p.m. 39.0 ppb (36) 19.4 ppb (18) N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 0.8 ppb (9) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 3 p.m. 22.3 ppb (21) 7.5 ppb (7) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.56 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 2 p.m. 28.3 ppb (26) 10.8 ppb (10) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.71 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 1 p.m. 13.9 ppb (13) 3.2 ppb (3) N/A 11.0 ppb (10) N/A N/A 8.0 ppb (6) 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, noon 15.7 ppb (15) 2.2 ppb (2) N/A 13.0 ppb (12) N/A N/A 5.0 ppb (4) 0.47 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 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
 
Jan. 20, 2020, 10 a.m. 20.6 ppb (19) 4.0 ppb (4) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 9 a.m. 25.2 ppb (23) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A 2.0 ppb (2) 0.61 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 8 a.m. 22.2 ppb (21) 3.9 ppb (4) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (5) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2020, 7 a.m. 9.0 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 6 a.m. 7.2 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 5 a.m. 7.0 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 4 a.m. 6.8 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.36 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2020, 3 a.m. 12.1 ppb (11) 4.0 ppb (4) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.45 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, 2 a.m. 8.1 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (11) 0.4 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 1 a.m. 9.5 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, midnight 8.6 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 11 p.m. 10.4 ppb (10) 2.4 ppb (2) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 10 p.m. 10.2 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 19, 2020, 9 p.m. 5.6 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 8 p.m. 6.0 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2020, 7 p.m. 5.8 ppb (5) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 17.0
 
Jan. 19, 2020, 6 p.m. 8.3 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 5 p.m. 6.6 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 4 p.m. 11.5 ppb (11) 2.2 ppb (2) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 19, 2020, 3 p.m. 8.6 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 19, 2020, 2 p.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Jan. 19, 2020, 1 p.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 19, 2020, noon 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.26 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 19, 2020, 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
 
Jan. 19, 2020, 10 a.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) 0.26 ppb (3) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 19, 2020, 9 a.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 23.0
 
Jan. 19, 2020, 8 a.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 19, 2020, 7 a.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 19, 2020, 6 a.m. 8.7 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 17.0
 
Jan. 19, 2020, 5 a.m. 11.3 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 4 a.m. 7.9 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 19, 2020, 3 a.m. 8.6 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2020, 2 a.m. 6.0 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 1 a.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, midnight 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 11 p.m. 5.2 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 10 p.m. 5.3 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 9 p.m. 5.9 ppb (5) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 8 p.m. 5.3 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.33 ppb (4) N/A 0.0 μg/m3 (0) 20.0
 
Jan. 18, 2020, 7 p.m. 5.1 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 18, 2020, 6 p.m. 6.1 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 18, 2020, 5 p.m. 6.2 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 4 p.m. 5.7 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 3 p.m. 4.6 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 2 p.m. 4.2 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 18, 2020, 1 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (21) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 18, 2020, noon 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.25 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 18, 2020, 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
 
Jan. 18, 2020, 10 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 9 a.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 8 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 7 a.m. 7.1 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 6 a.m. 7.5 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 18, 2020, 5 a.m. 8.3 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 4 a.m. 9.2 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 3 a.m. 11.0 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2020, 2 a.m. 10.9 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, 1 a.m. 13.5 ppb (12) 2.9 ppb (3) N/A 11.0 ppb (10) N/A N/A 25.0 ppb (19) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2020, midnight 17.4 ppb (16) 2.8 ppb (3) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2020, 11 p.m. 23.0 ppb (21) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 10 p.m. 17.2 ppb (16) 4.3 ppb (4) N/A 13.0 ppb (12) N/A N/A 24.0 ppb (18) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 17, 2020, 9 p.m. 16.1 ppb (15) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 17, 2020, 8 p.m. 19.4 ppb (18) 6.8 ppb (6) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 17, 2020, 7 p.m. 17.6 ppb (16) 5.8 ppb (5) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) 0.42 ppb (5) N/A 2.0 μg/m3 (8) 18.0
 
Jan. 17, 2020, 6 p.m. 30.3 ppb (28) 13.1 ppb (12) N/A 17.0 ppb (16) N/A N/A 15.0 ppb (12) 0.67 ppb (7) N/A 4.0 μg/m3 (17) 28.0
 
Jan. 17, 2020, 5 p.m. 43.2 ppb (40) 24.4 ppb (23) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) 0.81 ppb (9) N/A 4.0 μg/m3 (17) 40.0
 
Jan. 17, 2020, 4 p.m. 52.0 ppb (48) 30.1 ppb (28) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) 0.87 ppb (10) N/A 4.0 μg/m3 (17) 48.0
 
Jan. 17, 2020, 3 p.m. 43.2 ppb (40) 21.3 ppb (20) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) 0.79 ppb (9) N/A 5.0 μg/m3 (21) 40.0
 
Jan. 17, 2020, 2 p.m. 33.5 ppb (31) 13.7 ppb (13) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (3) 0.84 ppb (9) N/A 2.0 μg/m3 (8) 31.0
 
Jan. 17, 2020, 1 p.m. 21.9 ppb (20) 4.9 ppb (5) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.51 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, noon 27.1 ppb (25) 8.3 ppb (8) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.48 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 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
 
Jan. 17, 2020, 10 a.m. 10.6 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
Jan. 17, 2020, 9 a.m. 11.2 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.32 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2020, 8 a.m. 12.4 ppb (11) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0