ID: 2722

AQSQID: 060010013

Site Name: Berkeley Aquatic Park

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 22, 2021, 9:32 a.m.

Location: Berkeley (Marina), CA

Reporting: True, Located: True

Current AQI: 34.0

Berkeley (Marina) CA, US: 37.864767, -122.302741

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 15, 2021, 8 a.m. 24.6 ppb (24) 8.5 ppb (9) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.47 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 7 a.m. 35.0 ppb (34) 18.6 ppb (18) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.68 ppb (8) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2021, 6 a.m. 21.1 ppb (20) 6.3 ppb (6) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2021, 5 a.m. 13.7 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A 4.0 ppb (4) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 15, 2021, 4 a.m. 22.1 ppb (21) 10.2 ppb (10) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) 0.49 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2021, 3 a.m. 21.4 ppb (21) 9.8 ppb (10) N/A 12.0 ppb (12) N/A N/A 6.0 ppb (6) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2021, 2 a.m. 29.0 ppb (28) 10.9 ppb (11) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2021, 1 a.m. 45.6 ppb (44) 25.4 ppb (24) N/A 20.0 ppb (19) N/A N/A 4.0 ppb (4) 0.59 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 15, 2021, midnight 58.4 ppb (56) 33.8 ppb (32) N/A 25.0 ppb (24) N/A N/A 3.0 ppb (3) 0.66 ppb (8) N/A 8.0 μg/m3 (34) 56.0
 
Jan. 14, 2021, 11 p.m. 50.1 ppb (48) 29.4 ppb (28) N/A 21.0 ppb (20) N/A N/A 7.0 ppb (7) 0.59 ppb (7) N/A 9.0 μg/m3 (38) 48.0
 
Jan. 14, 2021, 10 p.m. 39.2 ppb (37) 21.7 ppb (21) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (12) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 37.0
 
Jan. 14, 2021, 9 p.m. 46.7 ppb (45) 29.4 ppb (28) N/A 17.0 ppb (17) N/A N/A 7.0 ppb (7) 0.54 ppb (6) N/A 9.0 μg/m3 (38) 45.0
 
Jan. 14, 2021, 8 p.m. 51.5 ppb (49) 35.8 ppb (34) N/A 16.0 ppb (16) N/A N/A 5.0 ppb (5) 0.56 ppb (7) N/A 10.0 μg/m3 (42) 49.0
 
Jan. 14, 2021, 7 p.m. 53.4 ppb (51) 39.1 ppb (37) N/A 14.0 ppb (14) N/A N/A 4.0 ppb (4) 0.65 ppb (8) N/A 7.0 μg/m3 (30) 51.0
 
Jan. 14, 2021, 6 p.m. 55.6 ppb (53) 39.7 ppb (38) N/A 16.0 ppb (16) N/A N/A 4.0 ppb (4) 0.68 ppb (8) N/A 9.0 μg/m3 (38) 53.0
 
Jan. 14, 2021, 5 p.m. 59.9 ppb (58) 43.9 ppb (42) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 9.0 μg/m3 (38) 58.0
 
Jan. 14, 2021, 4 p.m. 70.0 ppb (69) 52.4 ppb (50) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.81 ppb (10) N/A 12.0 μg/m3 (50) 69.0
 
Jan. 14, 2021, 3 p.m. 85.8 ppb (85) 66.1 ppb (64) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.92 ppb (11) N/A 19.0 μg/m3 (66) 85.0
 
Jan. 14, 2021, 2 p.m. 57.8 ppb (56) 41.2 ppb (39) N/A 17.0 ppb (17) N/A N/A 0.0 ppb (0) 0.69 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 1 p.m. 41.0 ppb (39) 25.1 ppb (24) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.56 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, noon 41.2 ppb (39) 24.9 ppb (24) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 11 a.m. 29.0 ppb (28) 12.7 ppb (12) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.48 ppb (6) N/A 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 9 a.m. 30.7 ppb (29) 12.9 ppb (13) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 14, 2021, 8 a.m. 18.5 ppb (18) 2.7 ppb (3) N/A 16.0 ppb (16) N/A N/A 2.0 ppb (2) 0.42 ppb (5) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 7 a.m. 17.8 ppb (17) 6.1 ppb (6) N/A 12.0 ppb (12) N/A N/A 9.0 ppb (9) 0.46 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 14, 2021, 6 a.m. 23.6 ppb (23) 8.8 ppb (9) N/A 15.0 ppb (15) N/A N/A 7.0 ppb (7) 0.57 ppb (7) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 14, 2021, 5 a.m. 45.9 ppb (44) 21.2 ppb (20) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.8 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 14, 2021, 4 a.m. 40.8 ppb (39) 16.1 ppb (16) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.66 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2021, 3 a.m. 42.9 ppb (41) 15.9 ppb (15) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 9.0 μg/m3 (38) 41.0
 
Jan. 14, 2021, 2 a.m. 34.3 ppb (33) 8.0 ppb (8) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) 0.46 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 14, 2021, 1 a.m. 45.4 ppb (43) 24.1 ppb (23) N/A 21.0 ppb (20) N/A N/A 7.0 ppb (7) 0.61 ppb (7) N/A 8.0 μg/m3 (34) 43.0
 
Jan. 14, 2021, midnight 38.9 ppb (37) 19.9 ppb (19) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (11) 0.56 ppb (7) N/A 8.0 μg/m3 (34) 37.0
 
Jan. 13, 2021, 11 p.m. 49.0 ppb (47) 24.9 ppb (24) N/A 24.0 ppb (23) N/A N/A 11.0 ppb (11) 0.57 ppb (7) N/A 11.0 μg/m3 (46) 47.0
 
Jan. 13, 2021, 10 p.m. 50.8 ppb (48) 26.2 ppb (25) N/A 25.0 ppb (24) N/A N/A 12.0 ppb (12) 0.57 ppb (7) N/A 10.0 μg/m3 (42) 48.0
 
Jan. 13, 2021, 9 p.m. 47.8 ppb (46) 23.8 ppb (23) N/A 24.0 ppb (23) N/A N/A 13.0 ppb (13) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 46.0
 
Jan. 13, 2021, 8 p.m. 66.9 ppb (65) 39.3 ppb (38) N/A 28.0 ppb (27) N/A N/A 7.0 ppb (7) 0.57 ppb (7) N/A 11.0 μg/m3 (46) 65.0
 
Jan. 13, 2021, 7 p.m. 78.0 ppb (77) 47.6 ppb (45) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 16.0 μg/m3 (60) 77.0
 
Jan. 13, 2021, 6 p.m. 85.1 ppb (85) 53.6 ppb (51) N/A 31.0 ppb (30) N/A N/A 3.0 ppb (3) 0.87 ppb (11) N/A 20.0 μg/m3 (68) 85.0
 
Jan. 13, 2021, 5 p.m. 37.5 ppb (36) 15.4 ppb (15) N/A 22.0 ppb (21) N/A N/A 4.0 ppb (4) 0.58 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2021, 4 p.m. 65.4 ppb (64) 39.8 ppb (38) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) 0.87 ppb (11) N/A 13.0 μg/m3 (53) 64.0
 
Jan. 13, 2021, 3 p.m. 77.0 ppb (76) 51.3 ppb (49) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.85 ppb (10) N/A 13.0 μg/m3 (53) 76.0
 
Jan. 13, 2021, 2 p.m. 60.3 ppb (58) 35.1 ppb (34) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A 11.0 μg/m3 (46) 58.0
 
Jan. 13, 2021, 1 p.m. 48.8 ppb (47) 22.9 ppb (22) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.63 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, noon 71.2 ppb (70) 42.4 ppb (40) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 8.0 μg/m3 (34) 70.0
 
Jan. 13, 2021, 11 a.m. 44.2 ppb (42) 18.7 ppb (18) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.58 ppb (7) N/A 9.0 μg/m3 (38) 42.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 13, 2021, 9 a.m. 62.1 ppb (60) 35.9 ppb (34) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.76 ppb (10) N/A 12.0 μg/m3 (50) 60.0
 
Jan. 13, 2021, 8 a.m. 49.2 ppb (47) 24.1 ppb (23) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.71 ppb (8) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 13, 2021, 7 a.m. 68.3 ppb (67) 40.1 ppb (38) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.93 ppb (11) N/A 18.0 μg/m3 (64) 67.0
 
Jan. 13, 2021, 6 a.m. 43.4 ppb (41) 17.6 ppb (17) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) 0.73 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 13, 2021, 5 a.m. 36.0 ppb (34) 12.1 ppb (12) N/A 24.0 ppb (23) N/A N/A 4.0 ppb (4) 0.66 ppb (8) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2021, 4 a.m. 29.2 ppb (28) 3.5 ppb (4) N/A 26.0 ppb (25) N/A N/A 3.0 ppb (3) 0.49 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2021, 3 a.m. 28.2 ppb (27) 8.4 ppb (8) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) 0.47 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 2 a.m. 39.0 ppb (37) 17.2 ppb (17) N/A 22.0 ppb (21) N/A N/A 12.0 ppb (12) 0.49 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 13, 2021, 1 a.m. 36.2 ppb (35) 14.4 ppb (14) N/A 22.0 ppb (21) N/A N/A 13.0 ppb (13) 0.49 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 13, 2021, midnight 32.9 ppb (32) 14.9 ppb (15) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.45 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 12, 2021, 11 p.m. 41.1 ppb (39) 20.2 ppb (20) N/A 21.0 ppb (20) N/A N/A 10.0 ppb (10) 0.57 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 12, 2021, 10 p.m. 56.1 ppb (54) 28.7 ppb (28) N/A 27.0 ppb (26) N/A N/A 5.0 ppb (5) 0.64 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 9 p.m. 72.1 ppb (71) 41.3 ppb (39) N/A 31.0 ppb (30) N/A N/A 4.0 ppb (4) 0.72 ppb (8) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 12, 2021, 8 p.m. 81.7 ppb (81) 52.0 ppb (50) N/A 30.0 ppb (29) N/A N/A 4.0 ppb (4) 0.75 ppb (10) N/A 31.0 μg/m3 (91) 91.0
 
Jan. 12, 2021, 7 p.m. 94.3 ppb (94) 64.2 ppb (62) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) 0.92 ppb (11) N/A 25.0 μg/m3 (79) 94.0
 
Jan. 12, 2021, 6 p.m. 80.7 ppb (80) 53.0 ppb (50) N/A 28.0 ppb (27) N/A N/A 1.0 ppb (1) 0.86 ppb (11) N/A 27.0 μg/m3 (83) 83.0
 
Jan. 12, 2021, 5 p.m. 69.6 ppb (68) 44.7 ppb (43) N/A 25.0 ppb (24) N/A N/A 0.0 ppb (0) 0.84 ppb (10) N/A N/A 68.0
 
Jan. 12, 2021, 4 p.m. 82.2 ppb (82) 56.7 ppb (54) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.8 ppb (10) N/A 25.0 μg/m3 (79) 82.0
 
Jan. 12, 2021, 3 p.m. 104.8 ppb (102) 76.5 ppb (75) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.95 ppb (11) N/A 22.0 μg/m3 (72) 102.0
 
Jan. 12, 2021, 2 p.m. 62.5 ppb (61) 39.0 ppb (37) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 13.0 μg/m3 (53) 61.0
 
Jan. 12, 2021, 1 p.m. 63.9 ppb (62) 41.0 ppb (39) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.75 ppb (10) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 12, 2021, noon 57.5 ppb (55) 35.2 ppb (34) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.67 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 11 a.m. 46.4 ppb (44) 23.9 ppb (23) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.67 ppb (8) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (58) 58.0
 
Jan. 12, 2021, 9 a.m. 41.9 ppb (40) 15.8 ppb (15) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 12, 2021, 8 a.m. 58.8 ppb (57) 33.0 ppb (32) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.87 ppb (11) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 12, 2021, 7 a.m. 50.2 ppb (48) 25.9 ppb (25) N/A 24.0 ppb (23) N/A N/A 1.0 ppb (1) 0.79 ppb (10) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 12, 2021, 6 a.m. 49.8 ppb (47) 24.6 ppb (24) N/A 25.0 ppb (24) N/A N/A 1.0 ppb (1) 0.8 ppb (10) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 12, 2021, 5 a.m. 49.8 ppb (47) 21.8 ppb (21) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.82 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 4 a.m. 32.7 ppb (31) 9.8 ppb (10) N/A 23.0 ppb (22) N/A N/A 4.0 ppb (4) 0.57 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 12, 2021, 3 a.m. 40.1 ppb (38) 16.9 ppb (16) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) 0.62 ppb (7) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 2 a.m. 53.0 ppb (50) 21.8 ppb (21) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 12, 2021, 1 a.m. 28.9 ppb (28) 4.3 ppb (5) N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.48 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 12, 2021, midnight 39.7 ppb (38) 18.0 ppb (17) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) 0.51 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 11, 2021, 11 p.m. 43.5 ppb (42) 23.1 ppb (22) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (13) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 42.0
 
Jan. 11, 2021, 10 p.m. 39.6 ppb (38) 20.7 ppb (20) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2021, 9 p.m. 41.3 ppb (39) 22.2 ppb (21) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (13) 0.48 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 8 p.m. 30.1 ppb (29) 16.2 ppb (16) N/A 14.0 ppb (14) N/A N/A 13.0 ppb (13) 0.4 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 7 p.m. 43.3 ppb (41) 28.0 ppb (27) N/A 15.0 ppb (15) N/A N/A 8.0 ppb (8) 0.53 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 11, 2021, 6 p.m. 34.8 ppb (33) 20.3 ppb (20) N/A 15.0 ppb (15) N/A N/A 9.0 ppb (9) 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2021, 5 p.m. 27.4 ppb (26) 16.2 ppb (16) N/A 11.0 ppb (11) N/A N/A 9.0 ppb (9) 0.75 ppb (10) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 11, 2021, 4 p.m. 51.0 ppb (49) 37.4 ppb (36) N/A 16.0 ppb (16) N/A N/A 4.0 ppb (4) 0.82 ppb (10) N/A 24.0 μg/m3 (77) 77.0
 
Jan. 11, 2021, 3 p.m. 92.4 ppb (92) 64.8 ppb (63) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.85 ppb (10) N/A 17.0 μg/m3 (62) 92.0
 
Jan. 11, 2021, 2 p.m. 66.8 ppb (65) 40.6 ppb (39) N/A 26.0 ppb (25) N/A N/A 0.0 ppb (0) 0.67 ppb (8) N/A 13.0 μg/m3 (53) 65.0
 
Jan. 11, 2021, 1 p.m. 38.3 ppb (37) 16.4 ppb (16) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, noon 44.2 ppb (42) 23.1 ppb (22) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.49 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 11 a.m. 29.0 ppb (28) 9.7 ppb (10) N/A 19.0 ppb (18) N/A N/A 0.0 ppb (0) 0.47 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (55) 55.0
 
Jan. 11, 2021, 9 a.m. 43.3 ppb (41) 20.3 ppb (20) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.64 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 11, 2021, 8 a.m. 27.8 ppb (27) 8.2 ppb (8) N/A 20.0 ppb (19) N/A N/A 3.0 ppb (3) 0.62 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 11, 2021, 7 a.m. 41.3 ppb (39) 17.8 ppb (17) N/A 24.0 ppb (23) N/A N/A 0.0 ppb (0) 0.73 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 11, 2021, 6 a.m. 40.0 ppb (38) 17.2 ppb (17) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.78 ppb (10) N/A 23.0 μg/m3 (74) 74.0
 
Jan. 11, 2021, 5 a.m. 44.2 ppb (42) 21.6 ppb (21) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.78 ppb (10) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 11, 2021, 4 a.m. 28.3 ppb (27) 8.0 ppb (8) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (5) 0.63 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 11, 2021, 3 a.m. 26.5 ppb (25) 8.8 ppb (9) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) 0.6 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 11, 2021, 2 a.m. 15.2 ppb (15) 2.3 ppb (3) N/A 13.0 ppb (13) N/A N/A 13.0 ppb (13) 0.34 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 11, 2021, 1 a.m. 11.0 ppb (11) 1.5 ppb (2) N/A 10.0 ppb (10) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, midnight 8.2 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) 0.26 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 10, 2021, 11 p.m. 19.9 ppb (19) 9.6 ppb (10) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) 0.47 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 10, 2021, 10 p.m. 26.9 ppb (26) 14.7 ppb (14) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.58 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 10, 2021, 9 p.m. 24.9 ppb (24) 13.6 ppb (13) N/A 11.0 ppb (11) N/A N/A 12.0 ppb (12) 0.53 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 10, 2021, 8 p.m. 26.3 ppb (25) 15.2 ppb (15) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.54 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2021, 7 p.m. 27.3 ppb (26) 13.9 ppb (14) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.56 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2021, 6 p.m. 42.8 ppb (41) 23.7 ppb (23) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (6) 0.77 ppb (10) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 10, 2021, 5 p.m. 31.5 ppb (30) 12.9 ppb (13) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (7) 0.54 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 10, 2021, 4 p.m. 33.9 ppb (32) 12.3 ppb (12) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.48 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 10, 2021, 3 p.m. 40.6 ppb (39) 17.6 ppb (17) N/A 23.0 ppb (22) N/A N/A 0.0 ppb (0) 0.59 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2021, 2 p.m. 32.9 ppb (32) 11.0 ppb (11) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.48 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2021, 1 p.m. 26.0 ppb (25) 4.9 ppb (5) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.4 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 10, 2021, noon 29.4 ppb (28) 8.2 ppb (8) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 28.0
 
Jan. 10, 2021, 11 a.m. 29.4 ppb (28) 9.3 ppb (9) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 10, 2021, 10 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. 10, 2021, 9 a.m. 27.3 ppb (26) 5.1 ppb (5) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.49 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2021, 8 a.m. 29.2 ppb (28) 6.9 ppb (7) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 10, 2021, 7 a.m. 25.9 ppb (25) 5.3 ppb (5) N/A 21.0 ppb (20) N/A N/A 0.0 ppb (0) 0.54 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 10, 2021, 6 a.m. 27.8 ppb (27) 6.8 ppb (7) N/A 21.0 ppb (20) N/A N/A 1.0 ppb (1) 0.5 ppb (6) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 10, 2021, 5 a.m. 22.7 ppb (22) 7.2 ppb (7) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) 0.54 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 10, 2021, 4 a.m. 31.3 ppb (30) 10.2 ppb (10) N/A 21.0 ppb (20) N/A N/A 2.0 ppb (2) 0.59 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 10, 2021, 3 a.m. 23.9 ppb (23) 6.0 ppb (6) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.45 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 10, 2021, 2 a.m. 17.0 ppb (17) 5.1 ppb (5) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.36 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 10, 2021, 1 a.m. 20.6 ppb (20) 8.9 ppb (9) N/A 12.0 ppb (12) N/A N/A 15.0 ppb (14) 0.44 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 10, 2021, midnight 19.7 ppb (19) 9.2 ppb (9) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.36 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 9, 2021, 11 p.m. 17.8 ppb (17) 8.3 ppb (8) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 9, 2021, 10 p.m. 19.5 ppb (19) 9.3 ppb (9) N/A 10.0 ppb (10) N/A N/A 23.0 ppb (22) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 9, 2021, 9 p.m. 25.1 ppb (24) 12.4 ppb (12) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 9, 2021, 8 p.m. 29.0 ppb (28) 15.1 ppb (15) N/A 14.0 ppb (14) N/A N/A 16.0 ppb (15) 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 7 p.m. 37.4 ppb (36) 21.9 ppb (21) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.56 ppb (7) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 9, 2021, 6 p.m. 49.1 ppb (47) 30.9 ppb (30) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.72 ppb (8) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 9, 2021, 5 p.m. 53.4 ppb (51) 34.8 ppb (33) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (3) 0.73 ppb (8) N/A N/A 51.0
 
Jan. 9, 2021, 4 p.m. 95.7 ppb (96) 74.0 ppb (73) N/A 22.0 ppb (21) N/A N/A 0.0 ppb (0) 0.91 ppb (11) N/A N/A 96.0
 
Jan. 9, 2021, 3 p.m. 64.7 ppb (63) 46.6 ppb (44) N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.69 ppb (8) N/A 10.0 μg/m3 (42) 63.0
 
Jan. 9, 2021, 2 p.m. 57.5 ppb (55) 41.2 ppb (39) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 55.0
 
Jan. 9, 2021, 1 p.m. 39.2 ppb (37) 23.9 ppb (23) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 0.58 ppb (7) N/A N/A 37.0
 
Jan. 9, 2021, noon 38.2 ppb (37) 22.2 ppb (21) N/A 16.0 ppb (16) N/A N/A 0.0 ppb (0) 0.57 ppb (7) N/A N/A 37.0
 
Jan. 9, 2021, 8 a.m. 44.0 ppb (42) 24.0 ppb (23) N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.83 ppb (10) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 9, 2021, 7 a.m. 33.0 ppb (32) 12.9 ppb (13) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.72 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 9, 2021, 6 a.m. 27.6 ppb (27) 9.2 ppb (9) N/A 18.0 ppb (17) N/A N/A 6.0 ppb (6) 0.47 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 9, 2021, 5 a.m. 15.7 ppb (15) 4.5 ppb (5) N/A 11.0 ppb (11) N/A N/A 13.0 ppb (13) 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 9, 2021, 4 a.m. 18.4 ppb (18) 6.9 ppb (7) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 9, 2021, 3 a.m. 10.6 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.31 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 9, 2021, 2 a.m. 10.6 ppb (10) 0.5 ppb (1) N/A 10.0 ppb (10) N/A N/A 11.0 ppb (11) 0.29 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
Jan. 9, 2021, 1 a.m. 20.8 ppb (20) 6.3 ppb (6) N/A 15.0 ppb (15) N/A N/A 10.0 ppb (10) 0.36 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
Jan. 9, 2021, midnight 41.0 ppb (39) 22.3 ppb (22) N/A 19.0 ppb (18) N/A N/A 10.0 ppb (10) 0.53 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 8, 2021, 11 p.m. 31.1 ppb (30) 15.1 ppb (15) N/A 16.0 ppb (16) N/A N/A 15.0 ppb (14) 0.43 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 8, 2021, 10 p.m. 34.7 ppb (33) 19.2 ppb (19) N/A 16.0 ppb (16) N/A N/A 13.0 ppb (13) 0.46 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 9 p.m. 39.3 ppb (38) 22.6 ppb (22) N/A 17.0 ppb (17) N/A N/A 11.0 ppb (11) 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 8, 2021, 8 p.m. 46.5 ppb (44) 25.3 ppb (24) N/A 21.0 ppb (20) N/A N/A 7.0 ppb (7) 0.47 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 8, 2021, 7 p.m. 58.9 ppb (57) 33.1 ppb (32) N/A 26.0 ppb (25) N/A N/A 4.0 ppb (4) 0.56 ppb (7) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 8, 2021, 6 p.m. 63.8 ppb (62) 36.7 ppb (35) N/A 27.0 ppb (26) N/A N/A 4.0 ppb (4) 0.6 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 8, 2021, 5 p.m. 52.9 ppb (50) 30.8 ppb (30) N/A 22.0 ppb (21) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A 17.0 μg/m3 (62) 62.0
 
Jan. 8, 2021, 4 p.m. 75.7 ppb (75) 48.9 ppb (47) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.74 ppb (8) N/A 13.0 μg/m3 (53) 75.0
 
Jan. 8, 2021, 3 p.m. 80.6 ppb (80) 52.8 ppb (50) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.82 ppb (10) N/A 15.0 μg/m3 (58) 80.0
 
Jan. 8, 2021, 2 p.m. 79.3 ppb (78) 48.9 ppb (47) N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 0.77 ppb (10) N/A 14.0 μg/m3 (55) 78.0
 
Jan. 8, 2021, 1 p.m. 52.1 ppb (50) 23.5 ppb (23) N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 0.61 ppb (7) N/A 9.0 μg/m3 (38) 50.0
 
Jan. 8, 2021, noon 42.1 ppb (40) 15.1 ppb (15) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.52 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 8, 2021, 11 a.m. 24.7 ppb (24) 3.9 ppb (4) N/A 21.0 ppb (20) N/A N/A 5.0 ppb (5) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 10 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. 8, 2021, 9 a.m. 25.8 ppb (25) 7.7 ppb (8) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (4) 0.47 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 8, 2021, 8 a.m. 31.2 ppb (30) 10.4 ppb (10) N/A 21.0 ppb (20) N/A N/A 3.0 ppb (3) 0.56 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 8, 2021, 7 a.m. 38.7 ppb (37) 11.7 ppb (12) N/A 27.0 ppb (26) N/A N/A 0.0 ppb (0) 0.58 ppb (7) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 8, 2021, 6 a.m. 56.9 ppb (55) 29.0 ppb (28) N/A 28.0 ppb (27) N/A N/A 0.0 ppb (0) 0.88 ppb (11) N/A 22.0 μg/m3 (72) 72.0