AQSQID: 060010011

Site Name: Oakland West

Location: Oakland, CA

Reporting: True, Located: True

Current AQI: 32.0

Oakland CA, US: 37.8148, -122.282402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2019, 8 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 32.0
 
Jan. 21, 2019, 7 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 21, 2019, 6 a.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Jan. 21, 2019, 5 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 32.0
 
Jan. 21, 2019, 4 a.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 33.0
 
Jan. 21, 2019, 3 a.m. 6.0 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 30.0
 
Jan. 21, 2019, 2 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 32.0
 
Jan. 21, 2019, 1 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 21, 2019, midnight 10.5 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 34.0 ppb (26) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 20, 2019, 11 p.m. 6.0 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Jan. 20, 2019, 10 p.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 30.0
 
Jan. 20, 2019, 9 p.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 31.0
 
Jan. 20, 2019, 8 p.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.35 ppb (4) N/A 1.0 μg/m3 (4) 26.0
 
Jan. 20, 2019, 7 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) N/A 1.0 μg/m3 (4) 22.0
 
Jan. 20, 2019, 6 p.m. 6.5 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 20, 2019, 5 p.m. 5.9 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 21.0 ppb (16) 0.39 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 20, 2019, 4 p.m. 10.7 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 20, 2019, 3 p.m. 11.0 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (8) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 2 p.m. 13.8 ppb (13) 1.1 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.52 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 1 p.m. 19.4 ppb (18) 2.1 ppb (2) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 3.0 ppb (2) 0.58 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, noon 16.6 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 6.0 ppb (5) 0.51 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, 10 a.m. 37.5 ppb (35) 14.6 ppb (14) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) 0.93 ppb (10) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 2019, 9 a.m. 32.2 ppb (30) 7.3 ppb (7) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 2.0 ppb (2) 0.72 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2019, 8 a.m. 62.6 ppb (59) 39.3 ppb (36) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 1.0 ppb (1) 1.27 ppb (14) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 20, 2019, 7 a.m. 76.9 ppb (74) 51.6 ppb (48) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 1.0 ppb (1) 1.32 ppb (15) N/A 17.0 μg/m3 (61) 74.0
 
Jan. 20, 2019, 6 a.m. 65.5 ppb (62) 38.5 ppb (36) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 1.05 ppb (12) N/A 11.0 μg/m3 (46) 62.0
 
Jan. 20, 2019, 5 a.m. 46.1 ppb (43) 18.6 ppb (17) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 1.0 ppb (1) 0.94 ppb (10) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, 4 a.m. 36.1 ppb (33) 7.6 ppb (7) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 1.0 ppb (1) 0.78 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2019, 3 a.m. 32.8 ppb (30) 3.7 ppb (3) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 3.0 ppb (2) 0.76 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2019, 2 a.m. 24.9 ppb (23) 1.1 ppb (1) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 11.0 ppb (8) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2019, 1 a.m. 13.7 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (18) 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, midnight 17.0 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 11 p.m. 20.9 ppb (19) 3.9 ppb (4) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 20.0 ppb (15) 0.57 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 10 p.m. 24.3 ppb (23) 6.7 ppb (6) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 19.0 ppb (15) 0.59 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 9 p.m. 36.4 ppb (34) 14.4 ppb (13) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 13.0 ppb (10) 0.6 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 8 p.m. 39.0 ppb (36) 17.3 ppb (16) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 12.0 ppb (9) 0.58 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 7 p.m. 27.8 ppb (26) 11.6 ppb (11) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 14.0 ppb (11) 0.56 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2019, 6 p.m. 29.6 ppb (27) 12.3 ppb (11) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 12.0 ppb (9) 0.61 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 5 p.m. 33.8 ppb (31) 12.4 ppb (11) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 8.0 ppb (6) 0.66 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 4 p.m. 31.2 ppb (29) 9.1 ppb (8) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 5.0 ppb (4) 0.57 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, 3 p.m. 38.2 ppb (35) 10.8 ppb (10) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 2.0 ppb (2) 0.55 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 2 p.m. 34.1 ppb (32) 6.6 ppb (6) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 1 p.m. 20.1 ppb (19) 0.5 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, noon 31.1 ppb (29) 3.3 ppb (3) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.48 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 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
 
Jan. 19, 2019, 10 a.m. 34.9 ppb (32) 4.9 ppb (5) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 1.0 ppb (1) 0.65 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 9 a.m. 26.6 ppb (25) 1.5 ppb (1) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 5.0 ppb (4) 0.7 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 8 a.m. 21.9 ppb (20) 0.8 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.59 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 7 a.m. 17.9 ppb (17) 0.8 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 18.0 ppb (14) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 6 a.m. 23.7 ppb (22) 1.4 ppb (1) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 14.0 ppb (11) 0.45 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 5 a.m. 34.1 ppb (32) 4.1 ppb (4) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 6.0 ppb (5) 0.52 ppb (6) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 4 a.m. 44.4 ppb (41) 9.7 ppb (9) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 2.0 ppb (2) 0.65 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 3 a.m. 53.9 ppb (50) 18.7 ppb (17) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 1.0 ppb (1) 1.01 ppb (11) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 2 a.m. 33.4 ppb (31) 3.0 ppb (3) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 7.0 ppb (5) 0.68 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 1 a.m. 28.0 ppb (26) 1.8 ppb (2) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 13.0 ppb (10) 0.5 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 19, 2019, midnight 32.0 ppb (30) 3.9 ppb (4) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 14.0 ppb (11) 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 11 p.m. 23.2 ppb (21) 3.2 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) 0.49 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 10 p.m. 23.1 ppb (21) 5.3 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (16) 0.48 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 9 p.m. 23.6 ppb (22) 6.3 ppb (6) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (15) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 8 p.m. 26.0 ppb (24) 8.0 ppb (7) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (13) 0.48 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 7 p.m. 25.2 ppb (23) 6.7 ppb (6) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 6 p.m. 22.4 ppb (21) 5.5 ppb (5) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 21.0 ppb (16) 0.48 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 5 p.m. 58.7 ppb (55) 28.4 ppb (26) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 7.0 ppb (5) 0.77 ppb (9) N/A 12.0 μg/m3 (50) 55.0
 
Jan. 18, 2019, 4 p.m. 63.6 ppb (60) 32.4 ppb (30) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 2.0 ppb (2) 0.95 ppb (11) N/A 11.0 μg/m3 (46) 60.0
 
Jan. 18, 2019, 3 p.m. 53.0 ppb (49) 23.3 ppb (22) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 3.0 ppb (2) 0.82 ppb (9) N/A 8.0 μg/m3 (33) 49.0
 
Jan. 18, 2019, 2 p.m. 21.5 ppb (20) 1.4 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 13.0 ppb (10) 0.57 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 18, 2019, 1 p.m. 20.7 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 12.0 ppb (9) 0.55 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, noon 18.7 ppb (17) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) 0.52 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 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
 
Jan. 18, 2019, 10 a.m. 10.4 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (18) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 9 a.m. 13.2 ppb (12) 0.4 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (16) 0.46 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 8 a.m. 19.0 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 16.0 ppb (12) 0.53 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 18, 2019, midnight 10.7 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (25) 0.43 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 11 p.m. 12.8 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (25) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 10 p.m. 15.1 ppb (14) 1.4 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 9 p.m. 9.5 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 8 p.m. 7.3 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 7 p.m. 10.6 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.36 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 6 p.m. 20.6 ppb (19) 3.3 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 26.0 ppb (20) 0.42 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 5 p.m. 19.7 ppb (18) 1.8 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 4 p.m. 14.8 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (23) 0.36 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 3 p.m. 9.9 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.37 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 2 p.m. 7.6 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 1 p.m. 6.0 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, noon 7.3 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.31 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 11 a.m. 8.1 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 10 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. 17, 2019, 9 a.m. 5.9 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 17, 2019, 8 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.32 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 7 a.m. 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.32 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 6 a.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 17, 2019, 5 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 17, 2019, 4 a.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 22.0
 
Jan. 17, 2019, 3 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A -1.0 μg/m3 (0) 22.0
 
Jan. 17, 2019, 2 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (21) 0.35 ppb (4) N/A 0.0 μg/m3 (0) 21.0
 
Jan. 17, 2019, 1 a.m. 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 17, 2019, midnight 11.7 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (17) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, 11 p.m. 11.0 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 16, 2019, 10 p.m. 11.1 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (20) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 16, 2019, 9 p.m. 6.5 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 8 p.m. 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 24.0
 
Jan. 16, 2019, 7 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 23.0
 
Jan. 16, 2019, 6 p.m. 10.4 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2019, 5 p.m. 13.5 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 16, 2019, 4 p.m. 12.3 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (21) 0.37 ppb (4) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 16, 2019, 3 p.m. 10.5 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (22) 0.36 ppb (4) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 16, 2019, 2 p.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 24.0
 
Jan. 16, 2019, 1 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 16, 2019, noon 8.1 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) 0.32 ppb (4) N/A 0.0 μg/m3 (0) 22.0
 
Jan. 16, 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
 
Jan. 16, 2019, 10 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 16, 2019, 9 a.m. 5.2 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 25.0
 
Jan. 16, 2019, 8 a.m. 4.2 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.33 ppb (4) N/A 1.0 μg/m3 (4) 27.0
 
Jan. 16, 2019, 7 a.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 28.0
 
Jan. 16, 2019, 6 a.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
Jan. 16, 2019, 5 a.m. 6.5 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 27.0
 
Jan. 16, 2019, 4 a.m. 9.6 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 33.0 ppb (25) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 3 a.m. 7.7 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 24.0
 
Jan. 16, 2019, 2 a.m. 8.6 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2019, 1 a.m. 13.9 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (15) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2019, midnight 13.7 ppb (13) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 22.0 ppb (17) 0.44 ppb (5) N/A 2.0 μg/m3 (8) 17.0
 
Jan. 15, 2019, 11 p.m. 14.6 ppb (14) 2.0 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (17) 0.43 ppb (5) N/A 1.0 μg/m3 (4) 17.0
 
Jan. 15, 2019, 10 p.m. 13.0 ppb (12) 1.5 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.44 ppb (5) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 9 p.m. 17.1 ppb (16) 3.4 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 21.0 ppb (16) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 8 p.m. 19.3 ppb (18) 3.8 ppb (4) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 21.0 ppb (16) 0.51 ppb (6) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, 7 p.m. 16.0 ppb (15) 2.6 ppb (2) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (18) 0.63 ppb (7) N/A 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 6 p.m. 23.6 ppb (22) 4.2 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 17.0 ppb (13) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 5 p.m. 23.8 ppb (22) 4.7 ppb (4) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 16.0 ppb (12) 0.48 ppb (5) N/A 3.0 μg/m3 (12) 22.0
 
Jan. 15, 2019, 4 p.m. 17.8 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 20.0 ppb (15) 0.44 ppb (5) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 15, 2019, 3 p.m. 34.1 ppb (32) 5.2 ppb (5) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 7.0 ppb (5) 0.57 ppb (6) N/A 4.0 μg/m3 (17) 32.0
 
Jan. 15, 2019, 2 p.m. 20.9 ppb (19) 1.3 ppb (1) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 17.0 ppb (13) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 15, 2019, 1 p.m. 12.0 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, noon 8.2 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.3 ppb (3) N/A 1.0 μg/m3 (4) 23.0
 
Jan. 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
 
Jan. 15, 2019, 10 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 15, 2019, 9 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 15, 2019, 8 a.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 15, 2019, 7 a.m. 9.1 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (20) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 15, 2019, 6 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (19) 0.34 ppb (4) N/A 1.0 μg/m3 (4) 19.0
 
Jan. 15, 2019, 5 a.m. 12.8 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 15.0
 
Jan. 15, 2019, 4 a.m. 13.0 ppb (12) 0.6 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (15) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 3 a.m. 14.3 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 20.0 ppb (15) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 2 a.m. 13.9 ppb (13) 0.5 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 23.0 ppb (18) 0.39 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, 1 a.m. 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 27.0 ppb (21) 0.36 ppb (4) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 15, 2019, midnight 7.3 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 14, 2019, 11 p.m. 7.5 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 25.0
 
Jan. 14, 2019, 10 p.m. 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 14, 2019, 9 p.m. 14.1 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 26.0 ppb (20) 0.35 ppb (4) N/A 2.0 μg/m3 (8) 20.0
 
Jan. 14, 2019, 8 p.m. 19.3 ppb (18) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 7 p.m. 17.3 ppb (16) 3.7 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 6 p.m. 19.6 ppb (18) 5.5 ppb (5) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.59 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 5 p.m. 23.3 ppb (22) 5.8 ppb (5) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 14.0 ppb (11) 0.5 ppb (6) N/A N/A 22.0
 
Jan. 14, 2019, 4 p.m. 24.7 ppb (23) 6.5 ppb (6) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 13.0 ppb (10) 0.53 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 3 p.m. 19.0 ppb (18) 3.5 ppb (3) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 16.0 ppb (12) 0.44 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2019, 2 p.m. 22.6 ppb (21) 4.0 ppb (4) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 14.0 ppb (11) 0.57 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 1 p.m. 66.8 ppb (64) 34.7 ppb (32) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 2.0 ppb (2) 0.64 ppb (7) N/A 10.0 μg/m3 (42) 64.0
 
Jan. 14, 2019, noon 51.4 ppb (48) 18.0 ppb (17) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.49 ppb (5) N/A 9.0 μg/m3 (38) 48.0
 
Jan. 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
 
Jan. 14, 2019, 10 a.m. 55.4 ppb (51) 20.5 ppb (19) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.57 ppb (6) N/A 10.0 μg/m3 (42) 51.0
 
Jan. 14, 2019, 9 a.m. 41.7 ppb (39) 7.5 ppb (7) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 2.0 ppb (2) 0.49 ppb (5) N/A 7.0 μg/m3 (29) 39.0
 
Jan. 14, 2019, 8 a.m. 15.8 ppb (15) 0.7 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 16.0
 
Jan. 14, 2019, 7 a.m. 8.2 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 30.0 ppb (23) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 23.0
 
Jan. 14, 2019, 6 a.m. 7.6 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 24.0
 
Jan. 14, 2019, 5 a.m. 9.8 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.33 ppb (4) N/A 3.0 μg/m3 (12) 23.0
 
Jan. 14, 2019, 4 a.m. 16.2 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 23.0 ppb (18) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 3 a.m. 34.6 ppb (32) 4.3 ppb (4) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 7.0 ppb (5) 0.63 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 2 a.m. 14.1 ppb (13) 0.4 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 23.0 ppb (18) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0