ID: 2722

AQSQID: 060010013

Site Name: Berkeley Aquatic Park

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

Updated: March 5, 2021, 10:32 p.m.

Location: Berkeley (Marina), CA

Reporting: True, Located: True

Current AQI: 38.0

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
Feb. 16, 2021, 2 p.m. 41.9 ppb (40) 16.2 ppb (16) N/A 26.0 ppb (25) N/A N/A 1.0 ppb (1) 0.54 ppb (6) N/A 7.0 μg/m3 (30) 40.0
 
Feb. 16, 2021, 1 p.m. 51.2 ppb (49) 22.8 ppb (22) N/A 28.0 ppb (27) N/A N/A 3.0 ppb (3) 0.63 ppb (7) N/A 5.0 μg/m3 (21) 49.0
 
Feb. 16, 2021, noon 15.1 ppb (15) 2.0 ppb (2) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 16, 2021, 11 a.m. 14.8 ppb (14) 5.3 ppb (5) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 16, 2021, 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
 
Feb. 16, 2021, 9 a.m. 13.3 ppb (13) 3.6 ppb (4) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.39 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 16, 2021, 8 a.m. 11.0 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 26.0 ppb (25) 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 16, 2021, 7 a.m. 7.5 ppb (8) 3.8 ppb (4) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.37 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 16, 2021, 6 a.m. 11.8 ppb (12) 5.5 ppb (6) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 16, 2021, 5 a.m. 12.9 ppb (13) 5.6 ppb (6) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.45 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 16, 2021, 4 a.m. 19.3 ppb (19) 6.7 ppb (7) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 16, 2021, 3 a.m. 20.1 ppb (19) 7.8 ppb (8) N/A 12.0 ppb (12) N/A N/A 23.0 ppb (22) 0.48 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Feb. 16, 2021, 2 a.m. 20.5 ppb (20) 9.1 ppb (9) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.42 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
Feb. 16, 2021, 1 a.m. 24.2 ppb (23) 10.3 ppb (10) N/A 14.0 ppb (14) N/A N/A 24.0 ppb (23) 0.51 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Feb. 16, 2021, midnight 18.3 ppb (18) 9.8 ppb (10) N/A 9.0 ppb (9) N/A N/A 30.0 ppb (28) 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Feb. 15, 2021, 11 p.m. 16.0 ppb (16) 9.9 ppb (10) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 15, 2021, 10 p.m. 16.7 ppb (16) 9.5 ppb (9) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 26.0
 
Feb. 15, 2021, 9 p.m. 17.6 ppb (17) 10.1 ppb (10) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.36 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
Feb. 15, 2021, 8 p.m. 18.5 ppb (18) 10.5 ppb (10) N/A 8.0 ppb (8) N/A N/A 25.0 ppb (24) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 24.0
 
Feb. 15, 2021, 7 p.m. 35.8 ppb (34) 18.1 ppb (18) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (13) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 34.0
 
Feb. 15, 2021, 6 p.m. 31.8 ppb (30) 13.5 ppb (13) N/A 18.0 ppb (17) N/A N/A 11.0 ppb (11) 0.45 ppb (6) N/A 2.0 μg/m3 (9) 30.0
 
Feb. 15, 2021, 5 p.m. 9.3 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (8) N/A N/A 20.0 ppb (19) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 15, 2021, 4 p.m. 24.9 ppb (24) 8.1 ppb (8) N/A 17.0 ppb (17) N/A N/A 12.0 ppb (12) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 15, 2021, 3 p.m. 41.4 ppb (40) 16.3 ppb (16) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 0.45 ppb (6) N/A 3.0 μg/m3 (13) 40.0
 
Feb. 15, 2021, 2 p.m. 32.4 ppb (31) 11.0 ppb (11) N/A 22.0 ppb (21) N/A N/A 10.0 ppb (10) 0.42 ppb (5) N/A 3.0 μg/m3 (13) 31.0
 
Feb. 15, 2021, 1 p.m. 27.8 ppb (27) 9.8 ppb (10) N/A 18.0 ppb (17) N/A N/A 14.0 ppb (13) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 27.0
 
Feb. 15, 2021, noon 13.4 ppb (13) 2.4 ppb (3) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) 0.32 ppb (4) N/A 3.0 μg/m3 (13) 16.0
 
Feb. 15, 2021, 11 a.m. 10.3 ppb (10) 1.9 ppb (2) N/A 8.0 ppb (8) N/A N/A 19.0 ppb (18) 0.32 ppb (4) N/A 2.0 μg/m3 (9) 18.0
 
Feb. 15, 2021, 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 (13) 13.0
 
Feb. 15, 2021, 9 a.m. 5.9 ppb (6) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 22.0
 
Feb. 15, 2021, 8 a.m. 6.7 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 15, 2021, 7 a.m. 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 24.0 ppb (23) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 15, 2021, 6 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 15, 2021, 5 a.m. 8.1 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A N/A 24.0 ppb (23) 0.4 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 15, 2021, 4 a.m. 7.5 ppb (8) 0.1 ppb (1) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) 0.38 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 15, 2021, 3 a.m. 7.8 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 15, 2021, 2 a.m. 8.7 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 28.0
 
Feb. 15, 2021, 1 a.m. 15.6 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) 0.39 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 15, 2021, midnight 13.0 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A 32.0 ppb (30) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 11 p.m. 17.2 ppb (17) 6.7 ppb (7) N/A 11.0 ppb (11) N/A N/A 29.0 ppb (27) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 10 p.m. 24.1 ppb (23) 9.5 ppb (9) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
Feb. 14, 2021, 9 p.m. 30.6 ppb (29) 12.3 ppb (12) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) 0.47 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 8 p.m. 23.2 ppb (22) 8.9 ppb (9) N/A 14.0 ppb (14) N/A N/A 22.0 ppb (21) 0.46 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
Feb. 14, 2021, 7 p.m. 28.3 ppb (27) 10.5 ppb (10) N/A 18.0 ppb (17) N/A N/A 18.0 ppb (17) 0.49 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
Feb. 14, 2021, 6 p.m. 23.1 ppb (22) 8.7 ppb (9) N/A 14.0 ppb (14) N/A N/A 21.0 ppb (20) 0.54 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
Feb. 14, 2021, 5 p.m. 16.5 ppb (16) 4.3 ppb (5) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.44 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 14, 2021, 4 p.m. 15.2 ppb (15) 4.1 ppb (4) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 14, 2021, 3 p.m. 26.3 ppb (25) 5.2 ppb (5) N/A 21.0 ppb (20) N/A N/A 7.0 ppb (7) 0.69 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 2 p.m. 16.8 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (16) N/A N/A 12.0 ppb (12) 0.59 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 1 p.m. 11.4 ppb (11) 0.3 ppb (1) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) 0.41 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Feb. 14, 2021, noon 12.7 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 14, 2021, 11 a.m. 9.4 ppb (9) 1.2 ppb (2) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.44 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 14, 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
 
Feb. 14, 2021, 9 a.m. 14.6 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A 17.0 ppb (16) 0.52 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 14, 2021, 8 a.m. 10.2 ppb (10) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A 27.0 ppb (25) 0.52 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 14, 2021, 7 a.m. 10.5 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (28) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 6 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (31) 0.35 ppb (4) N/A 7.0 μg/m3 (30) 31.0
 
Feb. 14, 2021, 5 a.m. 14.7 ppb (14) 4.1 ppb (4) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.48 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 14, 2021, 4 a.m. 16.2 ppb (16) 4.9 ppb (5) N/A 11.0 ppb (11) N/A N/A 28.0 ppb (26) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 26.0
 
Feb. 14, 2021, 3 a.m. 15.9 ppb (15) 7.5 ppb (8) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.48 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, 2 a.m. 11.6 ppb (11) 5.8 ppb (6) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 14, 2021, 1 a.m. 12.8 ppb (13) 6.5 ppb (7) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 14, 2021, midnight 16.4 ppb (16) 7.4 ppb (7) N/A 9.0 ppb (9) N/A N/A 33.0 ppb (31) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 13, 2021, 11 p.m. 11.1 ppb (11) 5.5 ppb (6) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.41 ppb (5) N/A 7.0 μg/m3 (30) 34.0
 
Feb. 13, 2021, 10 p.m. 11.4 ppb (11) 6.4 ppb (7) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.37 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 13, 2021, 9 p.m. 12.7 ppb (12) 7.4 ppb (7) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (32) 0.41 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 13, 2021, 8 p.m. 12.2 ppb (12) 6.9 ppb (7) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (33) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 33.0
 
Feb. 13, 2021, 7 p.m. 14.0 ppb (14) 7.2 ppb (7) N/A 7.0 ppb (7) N/A N/A 34.0 ppb (32) 0.39 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Feb. 13, 2021, 6 p.m. 19.5 ppb (19) 9.4 ppb (9) N/A 10.0 ppb (10) N/A N/A 31.0 ppb (29) 0.43 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 13, 2021, 5 p.m. 17.9 ppb (17) 9.3 ppb (9) N/A 9.0 ppb (9) N/A N/A 31.0 ppb (29) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 29.0
 
Feb. 13, 2021, 4 p.m. 20.6 ppb (20) 10.2 ppb (10) N/A 10.0 ppb (10) N/A N/A 29.0 ppb (27) 0.48 ppb (6) N/A 5.0 μg/m3 (21) 27.0
 
Feb. 13, 2021, 3 p.m. 12.4 ppb (12) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (31) 0.38 ppb (5) N/A 5.0 μg/m3 (21) 31.0
 
Feb. 13, 2021, 2 p.m. 8.9 ppb (9) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (34) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 34.0
 
Feb. 13, 2021, 1 p.m. 7.8 ppb (8) 4.0 ppb (4) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.31 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
Feb. 13, 2021, noon 10.3 ppb (10) 5.1 ppb (5) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.3 ppb (4) N/A 4.0 μg/m3 (17) 31.0
 
Feb. 13, 2021, 11 a.m. 4.0 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (33) 0.28 ppb (4) N/A 6.0 μg/m3 (25) 33.0
 
Feb. 13, 2021, 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
 
Feb. 13, 2021, 9 a.m. 6.1 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (31) 0.29 ppb (4) N/A 3.0 μg/m3 (13) 31.0
 
Feb. 13, 2021, 8 a.m. 11.4 ppb (11) 4.3 ppb (5) N/A 7.0 ppb (7) N/A N/A 31.0 ppb (29) 0.39 ppb (5) N/A 5.0 μg/m3 (21) 29.0
 
Feb. 13, 2021, 7 a.m. 10.1 ppb (10) 4.1 ppb (4) N/A 6.0 ppb (6) N/A N/A 32.0 ppb (30) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 30.0
 
Feb. 13, 2021, 6 a.m. 12.7 ppb (12) 5.1 ppb (5) N/A 8.0 ppb (8) N/A N/A 27.0 ppb (25) 0.42 ppb (5) N/A 3.0 μg/m3 (13) 25.0
 
Feb. 13, 2021, 5 a.m. 12.3 ppb (12) 5.8 ppb (6) N/A 7.0 ppb (7) N/A N/A 29.0 ppb (27) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 27.0
 
Feb. 13, 2021, 4 a.m. 17.9 ppb (17) 7.1 ppb (7) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) 0.47 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 13, 2021, 3 a.m. 21.7 ppb (21) 9.8 ppb (10) N/A 12.0 ppb (12) N/A N/A 24.0 ppb (23) 0.46 ppb (6) N/A 4.0 μg/m3 (17) 23.0
 
Feb. 13, 2021, 2 a.m. 25.7 ppb (25) 11.6 ppb (11) N/A 14.0 ppb (14) N/A N/A 21.0 ppb (20) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
Feb. 13, 2021, 1 a.m. 30.9 ppb (30) 14.8 ppb (14) N/A 16.0 ppb (16) N/A N/A 20.0 ppb (19) 0.46 ppb (6) N/A 5.0 μg/m3 (21) 30.0
 
Feb. 13, 2021, midnight 24.4 ppb (24) 12.3 ppb (12) N/A 12.0 ppb (12) N/A N/A 26.0 ppb (25) 0.39 ppb (5) N/A 4.0 μg/m3 (17) 25.0
 
Feb. 12, 2021, 11 p.m. 23.4 ppb (23) 13.0 ppb (13) N/A 10.0 ppb (10) N/A N/A 27.0 ppb (25) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
Feb. 12, 2021, 10 p.m. 23.9 ppb (23) 13.5 ppb (13) N/A 10.0 ppb (10) N/A N/A 28.0 ppb (26) 0.41 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 12, 2021, 9 p.m. 27.0 ppb (26) 14.4 ppb (14) N/A 13.0 ppb (13) N/A N/A 27.0 ppb (25) 0.42 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 12, 2021, 8 p.m. 29.9 ppb (29) 15.9 ppb (15) N/A 14.0 ppb (14) N/A N/A 27.0 ppb (25) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 12, 2021, 7 p.m. 33.0 ppb (32) 17.9 ppb (17) N/A 15.0 ppb (15) N/A N/A 24.0 ppb (23) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 32.0
 
Feb. 12, 2021, 6 p.m. 27.2 ppb (26) 13.5 ppb (13) N/A 14.0 ppb (14) N/A N/A 25.0 ppb (24) 0.38 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 12, 2021, 5 p.m. 42.9 ppb (41) 23.2 ppb (22) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (18) 0.46 ppb (6) N/A 4.0 μg/m3 (17) 41.0
 
Feb. 12, 2021, 4 p.m. 45.1 ppb (43) 24.1 ppb (23) N/A 21.0 ppb (20) N/A N/A 18.0 ppb (17) 0.52 ppb (6) N/A 1.0 μg/m3 (5) 43.0
 
Feb. 12, 2021, 3 p.m. 35.3 ppb (34) 13.2 ppb (13) N/A 22.0 ppb (21) N/A N/A 13.0 ppb (13) 0.65 ppb (8) N/A 2.0 μg/m3 (9) 34.0
 
Feb. 12, 2021, 2 p.m. 44.5 ppb (42) 22.2 ppb (21) N/A 22.0 ppb (21) N/A N/A 17.0 ppb (16) 0.57 ppb (7) N/A 4.0 μg/m3 (17) 42.0
 
Feb. 12, 2021, 1 p.m. 30.9 ppb (30) 15.5 ppb (15) N/A 15.0 ppb (15) N/A N/A 23.0 ppb (22) 0.49 ppb (6) N/A 5.0 μg/m3 (21) 30.0
 
Feb. 12, 2021, noon 16.0 ppb (16) 7.7 ppb (8) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 12, 2021, 11 a.m. 7.3 ppb (7) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.32 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Feb. 12, 2021, 9 a.m. 6.5 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (33) 0.37 ppb (5) N/A 7.0 μg/m3 (30) 33.0
 
Feb. 12, 2021, 8 a.m. 7.6 ppb (8) 3.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (32) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 32.0
 
Feb. 12, 2021, 7 a.m. 6.3 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (35) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 35.0
 
Feb. 12, 2021, 6 a.m. 6.0 ppb (6) 3.5 ppb (4) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (35) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 12, 2021, 5 a.m. 7.3 ppb (7) 3.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (34) 0.34 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
Feb. 12, 2021, 4 a.m. 19.0 ppb (18) 4.1 ppb (4) N/A 15.0 ppb (15) N/A N/A 15.0 ppb (14) 0.47 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 12, 2021, 3 a.m. 21.1 ppb (20) 0.4 ppb (1) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.48 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 12, 2021, 2 a.m. 16.2 ppb (16) 0.2 ppb (1) N/A 16.0 ppb (16) N/A N/A 17.0 ppb (16) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Feb. 12, 2021, 1 a.m. 15.0 ppb (15) 0.5 ppb (1) N/A 15.0 ppb (15) N/A N/A 20.0 ppb (19) 0.38 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 12, 2021, midnight 22.1 ppb (21) 3.7 ppb (4) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 11, 2021, 11 p.m. 32.5 ppb (31) 11.9 ppb (12) N/A 21.0 ppb (20) N/A N/A 19.0 ppb (18) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 31.0
 
Feb. 11, 2021, 10 p.m. 35.6 ppb (34) 16.6 ppb (16) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (21) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 34.0
 
Feb. 11, 2021, 9 p.m. 28.5 ppb (27) 13.3 ppb (13) N/A 15.0 ppb (15) N/A N/A 26.0 ppb (25) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 27.0
 
Feb. 11, 2021, 8 p.m. 29.0 ppb (28) 12.4 ppb (12) N/A 17.0 ppb (17) N/A N/A 25.0 ppb (24) 0.38 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
Feb. 11, 2021, 7 p.m. 37.4 ppb (36) 17.5 ppb (17) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (22) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 36.0
 
Feb. 11, 2021, 6 p.m. 46.3 ppb (44) 22.3 ppb (22) N/A 24.0 ppb (23) N/A N/A 17.0 ppb (16) 0.49 ppb (6) N/A 8.0 μg/m3 (34) 44.0
 
Feb. 11, 2021, 5 p.m. 57.5 ppb (55) 27.2 ppb (26) N/A 30.0 ppb (29) N/A N/A 9.0 ppb (9) 0.53 ppb (6) N/A 10.0 μg/m3 (42) 55.0
 
Feb. 11, 2021, 4 p.m. 60.0 ppb (58) 30.8 ppb (30) N/A 29.0 ppb (28) N/A N/A 5.0 ppb (5) 0.54 ppb (6) N/A 8.0 μg/m3 (34) 58.0
 
Feb. 11, 2021, 3 p.m. 62.2 ppb (60) 28.8 ppb (28) N/A 33.0 ppb (32) N/A N/A 3.0 ppb (3) 0.59 ppb (7) N/A 7.0 μg/m3 (30) 60.0
 
Feb. 11, 2021, 2 p.m. 19.4 ppb (19) 3.3 ppb (4) N/A 16.0 ppb (16) N/A N/A 19.0 ppb (18) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
Feb. 11, 2021, 1 p.m. 11.6 ppb (11) 0.1 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.36 ppb (5) N/A 4.0 μg/m3 (17) 21.0
 
Feb. 11, 2021, noon 11.8 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.35 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 11, 2021, 11 a.m. 11.6 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (11) N/A N/A 26.0 ppb (25) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 11, 2021, 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
 
Feb. 11, 2021, 9 a.m. 11.4 ppb (11) 3.3 ppb (4) N/A 8.0 ppb (8) N/A N/A 30.0 ppb (28) 0.37 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
Feb. 11, 2021, 8 a.m. 14.3 ppb (14) 1.9 ppb (2) N/A 12.0 ppb (12) N/A N/A 22.0 ppb (21) 0.41 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 11, 2021, 7 a.m. 16.3 ppb (16) 3.6 ppb (4) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.4 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 11, 2021, 6 a.m. 19.8 ppb (19) 2.5 ppb (3) N/A 17.0 ppb (17) N/A N/A 17.0 ppb (16) 0.42 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 11, 2021, 5 a.m. 16.0 ppb (16) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) 0.46 ppb (6) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 11, 2021, 4 a.m. 18.4 ppb (18) 8.1 ppb (8) N/A 10.0 ppb (10) N/A N/A 25.0 ppb (24) 0.47 ppb (6) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 11, 2021, 3 a.m. 25.7 ppb (25) 10.7 ppb (11) N/A 15.0 ppb (15) N/A N/A 18.0 ppb (17) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 11, 2021, 2 a.m. 27.5 ppb (26) 14.2 ppb (14) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 11, 2021, 1 a.m. 25.7 ppb (25) 12.7 ppb (12) N/A 13.0 ppb (13) N/A N/A 21.0 ppb (20) 0.41 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 11, 2021, midnight 17.0 ppb (17) 9.2 ppb (9) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) 0.35 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 11 p.m. 20.8 ppb (20) 12.0 ppb (12) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 10 p.m. 32.5 ppb (31) 19.3 ppb (19) N/A 13.0 ppb (13) N/A N/A 19.0 ppb (18) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 10, 2021, 9 p.m. 25.8 ppb (25) 16.6 ppb (16) N/A 9.0 ppb (9) N/A N/A 21.0 ppb (20) 0.4 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 10, 2021, 8 p.m. 23.5 ppb (23) 15.1 ppb (15) N/A 8.0 ppb (8) N/A N/A 23.0 ppb (22) 0.39 ppb (5) N/A 4.0 μg/m3 (17) 23.0
 
Feb. 10, 2021, 7 p.m. 30.3 ppb (29) 18.6 ppb (18) N/A 12.0 ppb (12) N/A N/A 21.0 ppb (20) 0.39 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 6 p.m. 57.9 ppb (56) 34.5 ppb (33) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) 0.49 ppb (6) N/A 9.0 μg/m3 (38) 56.0
 
Feb. 10, 2021, 5 p.m. 64.4 ppb (63) 37.7 ppb (36) N/A 27.0 ppb (26) N/A N/A 8.0 ppb (8) 0.55 ppb (7) N/A 9.0 μg/m3 (38) 63.0
 
Feb. 10, 2021, 4 p.m. 31.6 ppb (30) 13.6 ppb (13) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (12) 0.47 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
Feb. 10, 2021, 3 p.m. 22.3 ppb (22) 4.6 ppb (5) N/A 18.0 ppb (17) N/A N/A 9.0 ppb (9) 0.45 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, 2 p.m. 25.0 ppb (24) 6.0 ppb (6) N/A 19.0 ppb (18) N/A N/A 7.0 ppb (7) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, 1 p.m. 22.8 ppb (22) 6.1 ppb (6) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.37 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, noon 13.1 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A 12.0 ppb (12) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, 11 a.m. 9.8 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, 10 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
 
Feb. 10, 2021, 9 a.m. 15.3 ppb (15) 1.0 ppb (1) N/A 14.0 ppb (14) N/A N/A 15.0 ppb (14) 0.35 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Feb. 10, 2021, 8 a.m. 11.9 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (11) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Feb. 10, 2021, 7 a.m. 12.3 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A 22.0 ppb (21) 0.38 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 10, 2021, 6 a.m. 14.4 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A N/A 19.0 ppb (18) 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
Feb. 10, 2021, 5 a.m. 12.6 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (7) N/A N/A 25.0 ppb (24) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
Feb. 10, 2021, 4 a.m. 15.5 ppb (15) 6.9 ppb (7) N/A 9.0 ppb (9) N/A N/A 24.0 ppb (23) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
Feb. 10, 2021, 3 a.m. 19.9 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (11) N/A N/A 21.0 ppb (20) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Feb. 10, 2021, 2 a.m. 24.8 ppb (24) 13.2 ppb (13) N/A 12.0 ppb (12) N/A N/A 17.0 ppb (16) 0.44 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
Feb. 10, 2021, 1 a.m. 21.9 ppb (21) 12.2 ppb (12) N/A 10.0 ppb (10) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 10, 2021, midnight 20.4 ppb (20) 11.0 ppb (11) N/A 9.0 ppb (9) N/A N/A 19.0 ppb (18) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
Feb. 9, 2021, 11 p.m. 26.0 ppb (25) 15.9 ppb (15) N/A 10.0 ppb (10) N/A N/A 18.0 ppb (17) 0.4 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
Feb. 9, 2021, 10 p.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
 
Feb. 9, 2021, 9 p.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
 
Feb. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Feb. 9, 2021, 7 p.m. 48.0 ppb (46) 26.8 ppb (26) N/A 21.0 ppb (20) N/A N/A 11.0 ppb (11) 0.63 ppb (7) N/A 7.0 μg/m3 (30) 46.0
 
Feb. 9, 2021, 6 p.m. 43.2 ppb (41) 24.4 ppb (24) N/A 19.0 ppb (18) N/A N/A 12.0 ppb (12) 0.55 ppb (7) N/A 7.0 μg/m3 (30) 41.0
 
Feb. 9, 2021, 5 p.m. 47.5 ppb (45) 27.6 ppb (27) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (11) 0.59 ppb (7) N/A 8.0 μg/m3 (34) 45.0
 
Feb. 9, 2021, 4 p.m. 51.3 ppb (49) 28.1 ppb (27) N/A 23.0 ppb (22) N/A N/A 10.0 ppb (10) 0.61 ppb (7) N/A 9.0 μg/m3 (38) 49.0
 
Feb. 9, 2021, 3 p.m. 51.6 ppb (49) 28.3 ppb (27) N/A 23.0 ppb (22) N/A N/A 9.0 ppb (9) 0.64 ppb (7) N/A 9.0 μg/m3 (38) 49.0