AQSQID: 060010012

Site Name: Laney College

Location: Oakland (Peralta-Laney), CA

Reporting: True, Located: True

Current AQI: 38.0

Oakland (Peralta-Laney) CA, US: 37.793624, -122.263376

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 24, 2020, 6 a.m. 34.3 ppb (32) 8.4 ppb (8) N/A 26.0 ppb (24) N/A N/A N/A 0.53 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 24, 2020, 5 a.m. 30.4 ppb (28) 6.8 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 24, 2020, 4 a.m. 40.0 ppb (37) 12.9 ppb (12) N/A 27.0 ppb (25) N/A N/A N/A 0.58 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 24, 2020, 3 a.m. 36.4 ppb (34) 8.8 ppb (8) N/A 28.0 ppb (26) N/A N/A N/A 0.49 ppb (5) N/A 8.0 μg/m3 (33) 34.0
 
Jan. 24, 2020, 2 a.m. 44.5 ppb (41) 15.3 ppb (14) N/A 29.0 ppb (27) N/A N/A N/A 0.49 ppb (5) N/A 9.0 μg/m3 (38) 41.0
 
Jan. 24, 2020, 1 a.m. 87.8 ppb (86) 51.9 ppb (48) N/A 36.0 ppb (33) N/A N/A N/A 0.6 ppb (7) N/A 10.0 μg/m3 (42) 86.0
 
Jan. 24, 2020, midnight 59.1 ppb (55) 28.0 ppb (26) N/A 31.0 ppb (29) N/A N/A N/A 0.56 ppb (6) N/A 11.0 μg/m3 (46) 55.0
 
Jan. 23, 2020, 11 p.m. 101.2 ppb (100) 63.6 ppb (60) N/A 38.0 ppb (35) N/A N/A N/A 0.56 ppb (6) N/A 13.0 μg/m3 (52) 100.0
 
Jan. 23, 2020, 10 p.m. 94.1 ppb (93) 56.5 ppb (53) N/A 38.0 ppb (35) N/A N/A N/A 0.53 ppb (6) N/A 16.0 μg/m3 (59) 93.0
 
Jan. 23, 2020, 9 p.m. 79.6 ppb (77) 44.4 ppb (41) N/A 35.0 ppb (32) N/A N/A N/A 0.54 ppb (6) N/A 14.0 μg/m3 (54) 77.0
 
Jan. 23, 2020, 8 p.m. 70.6 ppb (68) 39.0 ppb (36) N/A 32.0 ppb (30) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 68.0
 
Jan. 23, 2020, 7 p.m. 63.2 ppb (60) 35.2 ppb (33) N/A 28.0 ppb (26) N/A N/A N/A 0.53 ppb (6) N/A 12.0 μg/m3 (50) 60.0
 
Jan. 23, 2020, 6 p.m. 72.0 ppb (69) 43.2 ppb (40) N/A 29.0 ppb (27) N/A N/A N/A 0.52 ppb (6) N/A 13.0 μg/m3 (52) 69.0
 
Jan. 23, 2020, 5 p.m. 104.5 ppb (101) 66.9 ppb (64) N/A 38.0 ppb (35) N/A N/A N/A 0.57 ppb (6) N/A 13.0 μg/m3 (52) 101.0
 
Jan. 23, 2020, 4 p.m. 80.1 ppb (78) 46.3 ppb (43) N/A 34.0 ppb (31) N/A N/A N/A 0.64 ppb (7) N/A N/A 78.0
 
Jan. 23, 2020, 3 p.m. 69.3 ppb (66) 37.3 ppb (35) N/A 32.0 ppb (30) N/A N/A N/A 0.62 ppb (7) N/A 10.0 μg/m3 (42) 66.0
 
Jan. 23, 2020, 2 p.m. 68.1 ppb (65) 39.3 ppb (36) N/A 29.0 ppb (27) N/A N/A N/A 0.66 ppb (7) N/A 9.0 μg/m3 (38) 65.0
 
Jan. 23, 2020, 1 p.m. 28.6 ppb (26) 7.5 ppb (7) N/A 21.0 ppb (19) N/A N/A N/A 0.39 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 23, 2020, noon 92.8 ppb (91) 62.6 ppb (59) N/A 30.0 ppb (28) N/A N/A N/A 0.7 ppb (8) N/A 11.0 μg/m3 (46) 91.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 23, 2020, 10 a.m. 78.6 ppb (76) 48.9 ppb (45) N/A 30.0 ppb (28) N/A N/A N/A 0.5 ppb (6) N/A 9.0 μg/m3 (38) 76.0
 
Jan. 23, 2020, 9 a.m. 77.9 ppb (75) 45.8 ppb (42) N/A 32.0 ppb (30) N/A N/A N/A 0.55 ppb (6) N/A 10.0 μg/m3 (42) 75.0
 
Jan. 23, 2020, 8 a.m. 76.6 ppb (74) 43.7 ppb (40) N/A 33.0 ppb (31) N/A N/A N/A 0.67 ppb (7) N/A 9.0 μg/m3 (38) 74.0
 
Jan. 23, 2020, 7 a.m. 91.3 ppb (90) 57.9 ppb (54) N/A 33.0 ppb (31) N/A N/A N/A 0.84 ppb (9) N/A 11.0 μg/m3 (46) 90.0
 
Jan. 23, 2020, 6 a.m. 82.8 ppb (81) 48.8 ppb (45) N/A 34.0 ppb (31) N/A N/A N/A 0.91 ppb (10) N/A 12.0 μg/m3 (50) 81.0
 
Jan. 23, 2020, 5 a.m. 68.7 ppb (66) 35.3 ppb (33) N/A 33.0 ppb (31) N/A N/A N/A 0.98 ppb (11) N/A 12.0 μg/m3 (50) 66.0
 
Jan. 23, 2020, 4 a.m. 72.7 ppb (70) 30.7 ppb (28) N/A 42.0 ppb (39) N/A N/A N/A 0.71 ppb (8) N/A 12.0 μg/m3 (50) 70.0
 
Jan. 23, 2020, 3 a.m. 51.4 ppb (48) 10.9 ppb (10) N/A 40.0 ppb (37) N/A N/A N/A 0.58 ppb (6) N/A 9.0 μg/m3 (38) 48.0
 
Jan. 23, 2020, 2 a.m. 29.6 ppb (27) 1.5 ppb (1) N/A 28.0 ppb (26) N/A N/A N/A 0.46 ppb (5) N/A 6.0 μg/m3 (25) 27.0
 
Jan. 23, 2020, 1 a.m. 29.5 ppb (27) 4.7 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 23, 2020, midnight 43.0 ppb (40) 17.6 ppb (16) N/A 25.0 ppb (23) N/A N/A N/A 0.49 ppb (5) N/A 6.0 μg/m3 (25) 40.0
 
Jan. 22, 2020, 11 p.m. 31.7 ppb (29) 12.3 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.43 ppb (5) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 22, 2020, 10 p.m. 26.9 ppb (25) 10.3 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 22, 2020, 9 p.m. 43.5 ppb (40) 20.2 ppb (19) N/A 23.0 ppb (21) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2020, 8 p.m. 47.3 ppb (44) 23.2 ppb (21) N/A 24.0 ppb (22) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 44.0
 
Jan. 22, 2020, 7 p.m. 65.7 ppb (62) 37.3 ppb (35) N/A 28.0 ppb (26) N/A N/A N/A 0.53 ppb (6) N/A 25.0 μg/m3 (78) 78.0
 
Jan. 22, 2020, 6 p.m. 41.6 ppb (39) 21.6 ppb (20) N/A 20.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 5 p.m. 102.5 ppb (100) 70.7 ppb (68) N/A 32.0 ppb (30) N/A N/A N/A 0.71 ppb (8) N/A 9.0 μg/m3 (38) 100.0
 
Jan. 22, 2020, 4 p.m. 52.3 ppb (48) 24.8 ppb (23) N/A 28.0 ppb (26) N/A N/A N/A 0.58 ppb (6) N/A 10.0 μg/m3 (42) 48.0
 
Jan. 22, 2020, 3 p.m. 88.0 ppb (86) 50.6 ppb (47) N/A 37.0 ppb (34) N/A N/A N/A 0.65 ppb (7) N/A 6.0 μg/m3 (25) 86.0
 
Jan. 22, 2020, 2 p.m. 39.1 ppb (36) 14.6 ppb (14) N/A 25.0 ppb (23) N/A N/A N/A 0.46 ppb (5) N/A 3.0 μg/m3 (12) 36.0
 
Jan. 22, 2020, 1 p.m. 31.5 ppb (29) 10.8 ppb (10) N/A 21.0 ppb (19) N/A N/A N/A 0.39 ppb (4) N/A 3.0 μg/m3 (12) 29.0
 
Jan. 22, 2020, noon 15.0 ppb (14) 1.7 ppb (2) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 0.0 μg/m3 (0) 14.0
 
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. 8.2 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 22, 2020, 9 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 22, 2020, 8 a.m. 11.9 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.31 ppb (3) N/A 1.0 μg/m3 (4) 11.0
 
Jan. 22, 2020, 7 a.m. 11.4 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 1.0 μg/m3 (4) 11.0
 
Jan. 22, 2020, 6 a.m. 14.9 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
Jan. 22, 2020, 5 a.m. 16.1 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 22, 2020, 4 a.m. 25.7 ppb (24) 4.1 ppb (4) N/A 22.0 ppb (20) N/A N/A N/A 0.38 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
Jan. 22, 2020, 3 a.m. 21.8 ppb (20) 5.2 ppb (5) N/A 17.0 ppb (16) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 2 a.m. 19.9 ppb (18) 4.8 ppb (4) N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 22, 2020, 1 a.m. 16.2 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.31 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
Jan. 22, 2020, midnight 29.5 ppb (27) 12.5 ppb (12) N/A 17.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 3.0 μg/m3 (12) 27.0
 
Jan. 21, 2020, 11 p.m. 32.8 ppb (30) 12.1 ppb (11) N/A 21.0 ppb (19) N/A N/A N/A 0.37 ppb (4) N/A 0.0 μg/m3 (0) 30.0
 
Jan. 21, 2020, 10 p.m. 37.4 ppb (35) 16.2 ppb (15) N/A 21.0 ppb (19) N/A N/A N/A 0.35 ppb (4) N/A -1.0 μg/m3 (0) 35.0
 
Jan. 21, 2020, 9 p.m. 26.6 ppb (25) 12.3 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 21, 2020, 8 p.m. 57.0 ppb (53) 34.4 ppb (32) N/A 23.0 ppb (21) N/A N/A N/A 0.35 ppb (4) N/A 2.0 μg/m3 (8) 53.0
 
Jan. 21, 2020, 7 p.m. 54.8 ppb (51) 29.2 ppb (27) N/A 26.0 ppb (24) N/A N/A N/A 0.39 ppb (4) N/A 3.0 μg/m3 (12) 51.0
 
Jan. 21, 2020, 6 p.m. 46.7 ppb (43) 20.7 ppb (19) N/A 26.0 ppb (24) N/A N/A N/A 0.41 ppb (5) N/A 3.0 μg/m3 (12) 43.0
 
Jan. 21, 2020, 5 p.m. 53.6 ppb (50) 23.3 ppb (22) N/A 30.0 ppb (28) N/A N/A N/A 0.42 ppb (5) N/A 4.0 μg/m3 (17) 50.0
 
Jan. 21, 2020, 4 p.m. 54.7 ppb (51) 19.5 ppb (18) N/A 35.0 ppb (32) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 51.0
 
Jan. 21, 2020, 3 p.m. 38.5 ppb (36) 9.0 ppb (8) N/A 30.0 ppb (28) N/A N/A N/A 0.41 ppb (5) N/A 3.0 μg/m3 (12) 36.0
 
Jan. 21, 2020, 2 p.m. 31.2 ppb (29) 6.6 ppb (6) N/A 25.0 ppb (23) N/A N/A N/A 0.37 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 21, 2020, 1 p.m. 38.7 ppb (36) 11.3 ppb (10) N/A 27.0 ppb (25) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 36.0
 
Jan. 21, 2020, noon 21.5 ppb (20) 1.2 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.34 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 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 10 a.m. 22.9 ppb (21) 2.1 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 9 a.m. 23.1 ppb (21) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2020, 8 a.m. 24.5 ppb (23) 3.7 ppb (3) N/A 21.0 ppb (19) N/A N/A N/A 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2020, 7 a.m. 50.4 ppb (47) 24.2 ppb (22) N/A 26.0 ppb (24) N/A N/A N/A 0.74 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 21, 2020, 6 a.m. 91.7 ppb (90) 61.8 ppb (58) N/A 30.0 ppb (28) N/A N/A N/A 1.18 ppb (13) N/A 30.0 μg/m3 (88) 90.0
 
Jan. 21, 2020, 5 a.m. 83.6 ppb (81) 53.2 ppb (49) N/A 31.0 ppb (29) N/A N/A N/A 1.07 ppb (12) N/A 27.0 μg/m3 (82) 82.0
 
Jan. 21, 2020, 4 a.m. 64.0 ppb (61) 33.4 ppb (31) N/A 31.0 ppb (29) N/A N/A N/A 0.85 ppb (9) N/A 23.0 μg/m3 (73) 73.0
 
Jan. 21, 2020, 3 a.m. 67.0 ppb (64) 36.9 ppb (34) N/A 30.0 ppb (28) N/A N/A N/A 0.91 ppb (10) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 2 a.m. 51.7 ppb (48) 21.5 ppb (20) N/A 30.0 ppb (28) N/A N/A N/A 0.7 ppb (8) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 21, 2020, 1 a.m. 44.4 ppb (41) 16.0 ppb (15) N/A 28.0 ppb (26) N/A N/A N/A 0.61 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, midnight 38.9 ppb (36) 16.8 ppb (16) N/A 22.0 ppb (20) N/A N/A N/A 0.5 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 11 p.m. 45.2 ppb (42) 24.2 ppb (22) N/A 21.0 ppb (19) N/A N/A N/A 0.57 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2020, 10 p.m. 46.5 ppb (43) 26.3 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A 0.55 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2020, 9 p.m. 74.3 ppb (72) 47.6 ppb (44) N/A 27.0 ppb (25) N/A N/A N/A 0.57 ppb (6) N/A 22.0 μg/m3 (71) 72.0
 
Jan. 20, 2020, 8 p.m. 46.5 ppb (43) 27.1 ppb (25) N/A 19.0 ppb (18) N/A N/A N/A 0.49 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 7 p.m. 57.5 ppb (54) 36.2 ppb (34) N/A 21.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 6 p.m. 69.0 ppb (66) 43.4 ppb (40) N/A 26.0 ppb (24) N/A N/A N/A 0.61 ppb (7) N/A 16.0 μg/m3 (59) 66.0
 
Jan. 20, 2020, 5 p.m. 57.9 ppb (54) 33.6 ppb (31) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 4 p.m. 68.8 ppb (66) 41.0 ppb (38) N/A 28.0 ppb (26) N/A N/A N/A 0.63 ppb (7) N/A 16.0 μg/m3 (59) 66.0
 
Jan. 20, 2020, 3 p.m. 63.5 ppb (60) 36.6 ppb (34) N/A 27.0 ppb (25) N/A N/A N/A 0.61 ppb (7) N/A 11.0 μg/m3 (46) 60.0
 
Jan. 20, 2020, 2 p.m. 45.4 ppb (42) 19.4 ppb (18) N/A 26.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 1 p.m. 44.5 ppb (41) 18.9 ppb (18) N/A 26.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A 9.0 μg/m3 (38) 41.0
 
Jan. 20, 2020, noon 29.7 ppb (28) 6.4 ppb (6) N/A 23.0 ppb (21) N/A N/A N/A 0.44 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 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 10 a.m. 22.5 ppb (21) 2.9 ppb (3) N/A 20.0 ppb (19) N/A N/A N/A 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 9 a.m. 26.7 ppb (25) 5.2 ppb (5) N/A 22.0 ppb (20) N/A N/A N/A 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 8 a.m. 26.7 ppb (25) 5.3 ppb (5) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
Jan. 20, 2020, 7 a.m. 29.0 ppb (27) 7.6 ppb (7) N/A 21.0 ppb (19) N/A N/A N/A 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 6 a.m. 36.6 ppb (34) 12.7 ppb (12) N/A 24.0 ppb (22) N/A N/A N/A 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 5 a.m. 41.4 ppb (38) 17.9 ppb (17) N/A 24.0 ppb (22) N/A N/A N/A 0.66 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2020, 4 a.m. 29.9 ppb (28) 9.4 ppb (9) N/A 21.0 ppb (19) N/A N/A N/A 0.66 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2020, 3 a.m. 28.5 ppb (26) 8.1 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 2 a.m. 23.4 ppb (22) 4.4 ppb (4) N/A 19.0 ppb (18) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2020, 1 a.m. 25.1 ppb (23) 5.8 ppb (5) N/A 19.0 ppb (18) N/A N/A N/A 0.49 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2020, midnight 31.0 ppb (29) 12.9 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.68 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 11 p.m. 25.0 ppb (23) 9.8 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.61 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 10 p.m. 25.3 ppb (23) 10.9 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2020, 9 p.m. 27.8 ppb (26) 12.4 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.56 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2020, 8 p.m. 25.6 ppb (24) 11.3 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 p.m. 24.0 ppb (22) 10.5 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.49 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2020, 6 p.m. 26.3 ppb (24) 11.1 ppb (10) N/A 15.0 ppb (14) N/A N/A N/A 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2020, 5 p.m. 31.6 ppb (29) 12.6 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 19, 2020, 4 p.m. 9.3 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.65 ppb (7) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 19, 2020, 3 p.m. 16.3 ppb (15) 3.2 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 19, 2020, 2 p.m. 16.5 ppb (15) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.43 ppb (5) N/A 2.0 μg/m3 (8) 15.0
 
Jan. 19, 2020, 1 p.m. 20.1 ppb (19) 4.1 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.36 ppb (4) N/A 0.0 μg/m3 (0) 19.0
 
Jan. 19, 2020, noon 9.9 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 0.0 μg/m3 (0) 9.0
 
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. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 1.0 μg/m3 (4) 7.0
 
Jan. 19, 2020, 9 a.m. 8.3 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, 8 a.m. 8.9 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 1.0 μg/m3 (4) 8.0
 
Jan. 19, 2020, 7 a.m. 9.2 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A -1.0 μg/m3 (0) 9.0
 
Jan. 19, 2020, 6 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A -2.0 μg/m3 (0) 3.0
 
Jan. 19, 2020, 5 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 0.0 μg/m3 (0) 3.0
 
Jan. 19, 2020, 4 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, 3 a.m. 4.4 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 19, 2020, 2 a.m. 5.2 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, 1 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 19, 2020, midnight 4.4 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 11 p.m. 3.9 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 10 p.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 0.0 μg/m3 (0) 4.0
 
Jan. 18, 2020, 9 p.m. 4.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A -3.0 μg/m3 (0) 4.0
 
Jan. 18, 2020, 8 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 1.0 μg/m3 (4) 5.0
 
Jan. 18, 2020, 7 p.m. 5.8 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 6 p.m. 5.3 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 5 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 4 p.m. 5.9 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 1.0 μg/m3 (4) 5.0
 
Jan. 18, 2020, 3 p.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 2 p.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 1 p.m. 4.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, noon 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 10 a.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Jan. 18, 2020, 9 a.m. 6.1 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 8 a.m. 11.1 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 7 a.m. 29.2 ppb (27) 4.1 ppb (4) N/A 25.0 ppb (23) N/A N/A N/A 0.45 ppb (5) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 18, 2020, 6 a.m. 12.4 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 5 a.m. 20.3 ppb (19) 4.3 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2020, 4 a.m. 20.9 ppb (19) 4.5 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 18, 2020, 3 a.m. 8.4 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 2 a.m. 7.9 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 18, 2020, 1 a.m. 20.8 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A N/A 0.32 ppb (4) N/A 2.0 μg/m3 (8) 19.0
 
Jan. 18, 2020, midnight 32.7 ppb (30) 9.5 ppb (9) N/A 23.0 ppb (21) N/A N/A N/A 0.37 ppb (4) N/A 3.0 μg/m3 (12) 30.0
 
Jan. 17, 2020, 11 p.m. 31.2 ppb (29) 12.0 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (4) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 17, 2020, 10 p.m. 33.3 ppb (31) 12.7 ppb (12) N/A 21.0 ppb (19) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2020, 9 p.m. 53.2 ppb (49) 25.4 ppb (24) N/A 28.0 ppb (26) N/A N/A N/A 0.38 ppb (4) N/A 9.0 μg/m3 (38) 49.0
 
Jan. 17, 2020, 8 p.m. 62.1 ppb (59) 34.6 ppb (32) N/A 28.0 ppb (26) N/A N/A N/A 0.38 ppb (4) N/A 6.0 μg/m3 (25) 59.0
 
Jan. 17, 2020, 7 p.m. 64.5 ppb (61) 33.1 ppb (31) N/A 32.0 ppb (30) N/A N/A N/A 0.45 ppb (5) N/A 7.0 μg/m3 (29) 61.0
 
Jan. 17, 2020, 6 p.m. 68.7 ppb (66) 36.2 ppb (34) N/A 33.0 ppb (31) N/A N/A N/A 0.56 ppb (6) N/A 8.0 μg/m3 (33) 66.0
 
Jan. 17, 2020, 5 p.m. 70.7 ppb (68) 38.1 ppb (35) N/A 33.0 ppb (31) N/A N/A N/A 0.55 ppb (6) N/A 4.0 μg/m3 (17) 68.0
 
Jan. 17, 2020, 4 p.m. 103.7 ppb (101) 65.1 ppb (62) N/A 39.0 ppb (36) N/A N/A N/A 0.87 ppb (10) N/A N/A 101.0
 
Jan. 17, 2020, 3 p.m. 70.2 ppb (67) 41.2 ppb (38) N/A 29.0 ppb (27) N/A N/A N/A 0.8 ppb (9) N/A 1.0 μg/m3 (4) 67.0
 
Jan. 17, 2020, 2 p.m. 34.8 ppb (32) 9.1 ppb (8) N/A 26.0 ppb (24) N/A N/A N/A 0.54 ppb (6) N/A 2.0 μg/m3 (8) 32.0
 
Jan. 17, 2020, 1 p.m. 38.0 ppb (35) 8.0 ppb (7) N/A 30.0 ppb (28) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 35.0
 
Jan. 17, 2020, noon 47.2 ppb (44) 12.7 ppb (12) N/A 35.0 ppb (32) N/A N/A N/A 0.49 ppb (5) N/A 3.0 μg/m3 (12) 44.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 10 a.m. 13.2 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 9 a.m. 19.4 ppb (18) 1.2 ppb (1) N/A 18.0 ppb (17) N/A N/A N/A 0.38 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 17, 2020, 8 a.m. 17.6 ppb (16) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 7 a.m. 20.9 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0