AQSQID: 060010013

Site Name: Berkeley Aquatic Park

Location: Berkeley (No. 2), CA

Reporting: True, Located: True

Current AQI: 12.0

Berkeley (No. 2) CA, US: 37.864767, -122.302741

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2019, 10 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. 22, 2019, 9 a.m. 15.3 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A 3.0 μg/m3 (12) 14.0
 
Jan. 22, 2019, 8 a.m. 14.2 ppb (13) 2.2 ppb (2) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 13.0
 
Jan. 22, 2019, 7 a.m. 7.1 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 22, 2019, 6 a.m. 9.3 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 16.0
 
Jan. 22, 2019, 5 a.m. 7.2 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 22, 2019, 4 a.m. 29.9 ppb (28) 8.2 ppb (8) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.58 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 22, 2019, 3 a.m. 33.0 ppb (31) 9.1 ppb (8) N/A 24.0 ppb (22) N/A N/A 11.0 ppb (8) 0.58 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2019, 2 a.m. 28.3 ppb (26) 11.4 ppb (11) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.55 ppb (6) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 22, 2019, 1 a.m. 31.6 ppb (29) 14.3 ppb (13) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.52 ppb (6) N/A 3.0 μg/m3 (12) 29.0
 
Jan. 22, 2019, midnight 39.3 ppb (36) 17.4 ppb (16) N/A 22.0 ppb (20) N/A N/A 21.0 ppb (16) 0.53 ppb (6) N/A 2.0 μg/m3 (8) 36.0
 
Jan. 21, 2019, 11 p.m. 16.7 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 21, 2019, 10 p.m. 25.3 ppb (23) 12.2 ppb (11) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 21, 2019, 9 p.m. 33.5 ppb (31) 15.4 ppb (14) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (19) 0.45 ppb (5) N/A 4.0 μg/m3 (17) 31.0
 
Jan. 21, 2019, 8 p.m. 33.6 ppb (31) 16.7 ppb (15) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 31.0
 
Jan. 21, 2019, 7 p.m. 37.0 ppb (34) 17.2 ppb (16) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) 0.43 ppb (5) N/A 7.0 μg/m3 (29) 34.0
 
Jan. 21, 2019, 6 p.m. 45.8 ppb (42) 21.1 ppb (20) N/A 25.0 ppb (23) N/A N/A 22.0 ppb (17) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 42.0
 
Jan. 21, 2019, 5 p.m. 46.5 ppb (43) 21.1 ppb (20) N/A 25.0 ppb (23) N/A N/A 20.0 ppb (15) 0.5 ppb (6) N/A 9.0 μg/m3 (38) 43.0
 
Jan. 21, 2019, 4 p.m. 59.9 ppb (56) 28.3 ppb (26) N/A 32.0 ppb (30) N/A N/A 14.0 ppb (11) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 56.0
 
Jan. 21, 2019, 3 p.m. 49.6 ppb (46) 18.9 ppb (18) N/A 31.0 ppb (29) N/A N/A 14.0 ppb (11) 0.47 ppb (5) N/A 8.0 μg/m3 (33) 46.0
 
Jan. 21, 2019, 2 p.m. 44.1 ppb (41) 22.3 ppb (21) N/A 22.0 ppb (20) N/A N/A 22.0 ppb (17) 0.47 ppb (5) N/A 9.0 μg/m3 (38) 41.0
 
Jan. 21, 2019, 1 p.m. 32.8 ppb (30) 15.8 ppb (15) N/A 17.0 ppb (16) N/A N/A 27.0 ppb (21) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 30.0
 
Jan. 21, 2019, noon 15.7 ppb (15) 6.9 ppb (6) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 27.0
 
Jan. 21, 2019, 11 a.m. 8.5 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 21, 2019, 9 a.m. 9.1 ppb (8) 4.2 ppb (4) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 29.0
 
Jan. 21, 2019, 8 a.m. 7.9 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 21, 2019, 7 a.m. 16.0 ppb (15) 5.6 ppb (5) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 21, 2019, 6 a.m. 14.0 ppb (13) 4.8 ppb (4) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 21, 2019, 5 a.m. 17.4 ppb (16) 5.4 ppb (5) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
Jan. 21, 2019, 4 a.m. 10.8 ppb (10) 4.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) 0.38 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2019, 3 a.m. 14.4 ppb (13) 6.1 ppb (6) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.42 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2019, 2 a.m. 9.3 ppb (9) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 29.0
 
Jan. 21, 2019, 1 a.m. 4.8 ppb (4) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) 0.32 ppb (4) N/A 2.0 μg/m3 (8) 32.0
 
Jan. 21, 2019, midnight 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 26.0
 
Jan. 20, 2019, 11 p.m. 15.5 ppb (14) 5.8 ppb (5) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 27.0
 
Jan. 20, 2019, 10 p.m. 10.4 ppb (10) 5.2 ppb (5) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 9 p.m. 9.4 ppb (9) 5.1 ppb (5) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 29.0
 
Jan. 20, 2019, 8 p.m. 10.0 ppb (9) 4.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.42 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, 7 p.m. 15.1 ppb (14) 6.5 ppb (6) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.45 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 20, 2019, 6 p.m. 21.1 ppb (20) 9.0 ppb (8) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.47 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 20, 2019, 5 p.m. 19.2 ppb (18) 6.2 ppb (6) N/A 13.0 ppb (12) N/A N/A 16.0 ppb (12) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 4 p.m. 22.6 ppb (21) 7.8 ppb (7) N/A 15.0 ppb (14) N/A N/A 11.0 ppb (8) 0.47 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2019, 3 p.m. 8.1 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2019, 2 p.m. 19.8 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 4.0 ppb (3) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2019, 1 p.m. 20.9 ppb (19) 4.0 ppb (4) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 20, 2019, noon 20.2 ppb (19) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) 0.58 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2019, 11 a.m. 30.2 ppb (28) 9.2 ppb (9) N/A 21.0 ppb (19) N/A N/A 1.0 ppb (1) 0.75 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 20, 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
 
Jan. 20, 2019, 9 a.m. 52.1 ppb (48) 24.3 ppb (23) N/A 28.0 ppb (26) N/A N/A 0.0 ppb (0) 0.81 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2019, 8 a.m. 46.1 ppb (43) 20.3 ppb (19) N/A 26.0 ppb (24) N/A N/A 0.0 ppb (0) 0.77 ppb (9) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 20, 2019, 7 a.m. 46.6 ppb (43) 24.2 ppb (22) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) 1.04 ppb (12) N/A 21.0 μg/m3 (69) 69.0
 
Jan. 20, 2019, 6 a.m. 39.8 ppb (37) 12.8 ppb (12) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.66 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2019, 5 a.m. 43.2 ppb (40) 18.6 ppb (17) N/A 25.0 ppb (23) N/A N/A 4.0 ppb (3) 0.82 ppb (9) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 20, 2019, 4 a.m. 51.3 ppb (48) 21.7 ppb (20) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) 0.98 ppb (11) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 20, 2019, 3 a.m. 33.8 ppb (31) 7.1 ppb (7) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 0.61 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2019, 2 a.m. 27.5 ppb (25) 4.9 ppb (5) N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 0.52 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2019, 1 a.m. 23.2 ppb (21) 3.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.51 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2019, midnight 35.2 ppb (33) 14.9 ppb (14) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (12) 0.62 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 11 p.m. 43.2 ppb (40) 19.8 ppb (18) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.72 ppb (8) N/A 9.0 μg/m3 (38) 40.0
 
Jan. 19, 2019, 10 p.m. 39.5 ppb (37) 18.6 ppb (17) N/A 21.0 ppb (19) N/A N/A 15.0 ppb (12) 0.71 ppb (8) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, 9 p.m. 42.5 ppb (39) 20.9 ppb (19) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.68 ppb (8) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 8 p.m. 40.5 ppb (38) 21.6 ppb (20) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) 0.68 ppb (8) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 7 p.m. 44.0 ppb (41) 25.5 ppb (24) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) 0.71 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2019, 6 p.m. 52.7 ppb (49) 34.1 ppb (32) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) 0.82 ppb (9) N/A 23.0 μg/m3 (73) 73.0
 
Jan. 19, 2019, 5 p.m. 42.0 ppb (39) 21.2 ppb (20) N/A 21.0 ppb (19) N/A N/A 5.0 ppb (4) 0.7 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2019, 4 p.m. 53.9 ppb (50) 29.2 ppb (27) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.73 ppb (8) N/A 22.0 μg/m3 (71) 71.0
 
Jan. 19, 2019, 3 p.m. 53.8 ppb (50) 28.6 ppb (26) N/A 25.0 ppb (23) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 19, 2019, 2 p.m. 38.9 ppb (36) 14.9 ppb (14) N/A 24.0 ppb (22) N/A N/A 3.0 ppb (2) 0.64 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 1 p.m. 23.5 ppb (22) 3.7 ppb (3) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.47 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, noon 30.4 ppb (28) 10.5 ppb (10) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) 0.57 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2019, 11 a.m. 21.3 ppb (20) 3.9 ppb (4) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 10 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
 
Jan. 19, 2019, 9 a.m. 21.9 ppb (20) 5.5 ppb (5) N/A 16.0 ppb (15) N/A N/A 15.0 ppb (12) 0.53 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 19, 2019, 8 a.m. 21.4 ppb (20) 4.8 ppb (4) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.49 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 7 a.m. 12.7 ppb (12) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) 0.39 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 19, 2019, 6 a.m. 45.4 ppb (42) 16.0 ppb (15) N/A 29.0 ppb (27) N/A N/A 3.0 ppb (2) 0.76 ppb (8) N/A 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2019, 5 a.m. 33.8 ppb (31) 3.8 ppb (4) N/A 30.0 ppb (28) N/A N/A 4.0 ppb (3) 0.57 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, 4 a.m. 44.5 ppb (41) 17.5 ppb (16) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.65 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
Jan. 19, 2019, 3 a.m. 48.8 ppb (45) 17.6 ppb (16) N/A 31.0 ppb (29) N/A N/A 5.0 ppb (4) 0.73 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 19, 2019, 2 a.m. 38.8 ppb (36) 8.6 ppb (8) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) 0.59 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 19, 2019, 1 a.m. 27.1 ppb (25) 4.8 ppb (4) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.37 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, midnight 51.4 ppb (48) 21.1 ppb (20) N/A 30.0 ppb (28) N/A N/A 11.0 ppb (8) 0.56 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 11 p.m. 50.5 ppb (47) 20.6 ppb (19) N/A 30.0 ppb (28) N/A N/A 10.0 ppb (8) 0.58 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 10 p.m. 61.2 ppb (58) 32.2 ppb (30) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.64 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 18, 2019, 9 p.m. 59.9 ppb (56) 32.9 ppb (30) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.68 ppb (8) N/A 14.0 μg/m3 (54) 56.0
 
Jan. 18, 2019, 8 p.m. 60.5 ppb (57) 34.3 ppb (32) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.68 ppb (8) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 18, 2019, 7 p.m. 86.3 ppb (84) 53.5 ppb (50) N/A 33.0 ppb (31) N/A N/A 4.0 ppb (3) 0.8 ppb (9) N/A 16.0 μg/m3 (59) 84.0
 
Jan. 18, 2019, 6 p.m. 97.1 ppb (96) 62.6 ppb (59) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 0.88 ppb (10) N/A 22.0 μg/m3 (71) 96.0
 
Jan. 18, 2019, 5 p.m. 102.7 ppb (100) 66.5 ppb (63) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.82 ppb (9) N/A 17.0 μg/m3 (61) 100.0
 
Jan. 18, 2019, 4 p.m. 90.2 ppb (89) 56.0 ppb (52) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.86 ppb (10) N/A 16.0 μg/m3 (59) 89.0
 
Jan. 18, 2019, 3 p.m. 69.6 ppb (67) 38.0 ppb (35) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.71 ppb (8) N/A 12.0 μg/m3 (50) 67.0
 
Jan. 18, 2019, 2 p.m. 54.0 ppb (50) 27.2 ppb (25) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.59 ppb (7) N/A 7.0 μg/m3 (29) 50.0
 
Jan. 18, 2019, 1 p.m. 17.2 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, noon 13.4 ppb (12) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 11 a.m. 10.4 ppb (10) 0.4 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 10 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
 
Jan. 18, 2019, 9 a.m. 13.3 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 8 a.m. 14.3 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 7 a.m. 17.9 ppb (17) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2019, 6 a.m. 22.4 ppb (21) 1.9 ppb (2) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.52 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, 5 a.m. 32.9 ppb (30) 9.3 ppb (9) N/A 24.0 ppb (22) N/A N/A 17.0 ppb (13) 0.54 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 4 a.m. 27.2 ppb (25) 8.7 ppb (8) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (18) 0.51 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 3 a.m. 25.2 ppb (23) 9.7 ppb (9) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) 0.48 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 18, 2019, 2 a.m. 28.1 ppb (26) 10.9 ppb (10) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.48 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2019, 1 a.m. 17.8 ppb (16) 8.0 ppb (7) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.41 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 18, 2019, midnight 26.8 ppb (25) 11.1 ppb (10) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.47 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 11 p.m. 33.5 ppb (31) 13.6 ppb (13) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (19) 0.46 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 10 p.m. 40.8 ppb (38) 17.3 ppb (16) N/A 24.0 ppb (22) N/A N/A 21.0 ppb (16) 0.5 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 9 p.m. 30.7 ppb (28) 14.1 ppb (13) N/A 17.0 ppb (16) N/A N/A 29.0 ppb (22) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 17, 2019, 8 p.m. 29.9 ppb (28) 14.5 ppb (13) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.41 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 7 p.m. 38.7 ppb (36) 19.4 ppb (18) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (19) 0.47 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 17, 2019, 5 p.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, 4 p.m. 39.2 ppb (36) 14.1 ppb (13) N/A 25.0 ppb (23) N/A N/A 21.0 ppb (16) 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 17, 2019, 3 p.m. 25.4 ppb (24) 11.0 ppb (10) N/A 14.0 ppb (13) N/A N/A 32.0 ppb (25) 0.34 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 2 p.m. 31.5 ppb (29) 10.1 ppb (9) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) 0.39 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 1 p.m. 24.2 ppb (22) 4.5 ppb (4) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.34 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 17, 2019, noon 23.5 ppb (22) 7.2 ppb (7) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
Jan. 17, 2019, 11 a.m. 11.4 ppb (11) 3.4 ppb (3) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.28 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 17, 2019, 9 a.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.28 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2019, 8 a.m. 7.3 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 17, 2019, 7 a.m. 4.7 ppb (4) 2.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.28 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 6 a.m. 5.6 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 17, 2019, 5 a.m. 9.9 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 17, 2019, 4 a.m. 6.7 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) 0.29 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2019, 3 a.m. 9.7 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A 25.0 ppb (19) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 17, 2019, 2 a.m. 6.1 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 17, 2019, 1 a.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 17, 2019, midnight 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 26.0 ppb (20) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2019, 11 p.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 10 p.m. 6.8 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2019, 9 p.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (25) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 25.0
 
Jan. 16, 2019, 8 p.m. 19.0 ppb (18) 5.8 ppb (5) N/A 13.0 ppb (12) N/A N/A 26.0 ppb (20) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 20.0
 
Jan. 16, 2019, 7 p.m. 24.2 ppb (22) 8.5 ppb (8) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 22.0
 
Jan. 16, 2019, 6 p.m. 11.9 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A 27.0 ppb (21) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 16, 2019, 5 p.m. 11.8 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 4 p.m. 11.1 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 16, 2019, 3 p.m. 10.2 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 16, 2019, 2 p.m. 7.6 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 23.0
 
Jan. 16, 2019, 1 p.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 24.0
 
Jan. 16, 2019, noon 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A 2.0 μg/m3 (8) 25.0
 
Jan. 16, 2019, 11 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) 0.26 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 16, 2019, 10 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, 9 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 25.0
 
Jan. 16, 2019, 8 a.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.27 ppb (3) N/A 3.0 μg/m3 (12) 27.0
 
Jan. 16, 2019, 7 a.m. 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.27 ppb (3) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 16, 2019, 6 a.m. 15.9 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2019, 5 a.m. 24.5 ppb (23) 5.5 ppb (5) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (19) 0.44 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2019, 4 a.m. 14.0 ppb (13) 5.7 ppb (5) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2019, 3 a.m. 14.5 ppb (13) 4.5 ppb (4) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 23.0
 
Jan. 16, 2019, 2 a.m. 9.8 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 21.0
 
Jan. 16, 2019, 1 a.m. 11.3 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 17.0
 
Jan. 16, 2019, midnight 7.3 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 21.0
 
Jan. 15, 2019, 11 p.m. 7.5 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 21.0
 
Jan. 15, 2019, 10 p.m. 12.8 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) 0.29 ppb (3) N/A 3.0 μg/m3 (12) 20.0
 
Jan. 15, 2019, 9 p.m. 7.6 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 28.0 ppb (22) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 22.0
 
Jan. 15, 2019, 8 p.m. 18.2 ppb (17) 6.1 ppb (6) N/A 12.0 ppb (11) N/A N/A 23.0 ppb (18) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 7 p.m. 9.4 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.29 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 6 p.m. 18.6 ppb (17) 5.6 ppb (5) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2019, 5 p.m. 12.2 ppb (11) 1.5 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 4 p.m. 14.4 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) 0.31 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2019, 3 p.m. 20.9 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (14) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 19.0
 
Jan. 15, 2019, 2 p.m. 15.3 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2019, 1 p.m. 16.7 ppb (15) 2.4 ppb (2) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) 0.28 ppb (3) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 15, 2019, noon 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.22 ppb (2) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 15, 2019, 11 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) 0.21 ppb (2) N/A 4.0 μg/m3 (17) 27.0