ID: 2722

AQSQID: 060010013

Site Name: Berkeley Aquatic Park

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

Updated: Aug. 8, 2020, 2:41 p.m.

Location: Berkeley (Marina), CA

Reporting: True, Located: True

Current AQI: 33.0

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
July 25, 2020, 1 p.m. 24.0 ppb (22) 13.3 ppb (12) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.44 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 25, 2020, noon 14.0 ppb (13) 7.2 ppb (7) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.37 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 25, 2020, 11 a.m. 10.5 ppb (10) 4.9 ppb (5) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 25, 2020, 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 (33) 33.0
 
July 25, 2020, 9 a.m. 7.0 ppb (6) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2020, 8 a.m. 5.6 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.28 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 25, 2020, 7 a.m. 8.9 ppb (8) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 25, 2020, 6 a.m. 10.2 ppb (9) 5.1 ppb (5) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 25, 2020, 5 a.m. 12.5 ppb (12) 7.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.41 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 25, 2020, 4 a.m. 11.6 ppb (11) 6.5 ppb (6) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.42 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 25, 2020, 3 a.m. 13.8 ppb (13) 8.3 ppb (8) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 25, 2020, 2 a.m. 18.9 ppb (18) 11.4 ppb (11) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.48 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2020, 1 a.m. 19.3 ppb (18) 11.5 ppb (11) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2020, midnight 18.6 ppb (17) 10.8 ppb (10) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2020, 11 p.m. 18.8 ppb (17) 11.0 ppb (10) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.41 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2020, 10 p.m. 23.5 ppb (22) 14.5 ppb (13) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2020, 9 p.m. 27.4 ppb (25) 17.6 ppb (16) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 24, 2020, 8 p.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
 
July 24, 2020, 7 p.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
 
July 24, 2020, 6 p.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
 
July 24, 2020, 5 p.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
 
July 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, 3 p.m. 35.8 ppb (33) 20.1 ppb (19) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, 2 p.m. 36.4 ppb (34) 21.0 ppb (19) N/A 15.0 ppb (14) N/A N/A 11.0 ppb (8) 0.4 ppb (4) N/A 8.0 μg/m3 (33) 34.0
 
July 24, 2020, 1 p.m. 33.2 ppb (31) 18.1 ppb (17) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 31.0
 
July 24, 2020, noon 24.8 ppb (23) 12.8 ppb (12) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, 11 a.m. 21.3 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.32 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, 10 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
 
July 24, 2020, 9 a.m. 8.8 ppb (8) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2020, 8 a.m. 9.2 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2020, 7 a.m. 12.4 ppb (11) 5.5 ppb (5) N/A 7.0 ppb (6) N/A N/A 17.0 ppb (13) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 24, 2020, 6 a.m. 12.1 ppb (11) 5.7 ppb (5) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2020, 5 a.m. 15.6 ppb (14) 7.6 ppb (7) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.39 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2020, 4 a.m. 15.3 ppb (14) 8.7 ppb (8) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.42 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 24, 2020, 3 a.m. 17.0 ppb (16) 10.3 ppb (10) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, 2 a.m. 14.8 ppb (14) 10.4 ppb (10) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 24, 2020, 1 a.m. 18.7 ppb (17) 12.6 ppb (12) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.48 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 24, 2020, midnight 15.3 ppb (14) 10.3 ppb (10) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 23, 2020, 11 p.m. 13.7 ppb (13) 9.8 ppb (9) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 23, 2020, 10 p.m. 16.1 ppb (15) 11.1 ppb (10) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.37 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 23, 2020, 9 p.m. 13.4 ppb (12) 9.3 ppb (9) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 3.0 μg/m3 (12) 13.0
 
July 23, 2020, 8 p.m. 15.8 ppb (15) 11.1 ppb (10) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.39 ppb (4) N/A 1.0 μg/m3 (4) 15.0
 
July 23, 2020, 7 p.m. 23.2 ppb (21) 15.0 ppb (14) N/A 8.0 ppb (7) N/A N/A 16.0 ppb (12) 0.43 ppb (5) N/A N/A 21.0
 
July 23, 2020, 6 p.m. 26.4 ppb (24) 19.8 ppb (18) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 24.0
 
July 23, 2020, 5 p.m. 26.8 ppb (25) 18.4 ppb (17) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2020, 4 p.m. 34.9 ppb (32) 22.8 ppb (21) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 32.0
 
July 23, 2020, 3 p.m. 32.9 ppb (30) 21.6 ppb (20) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
July 23, 2020, 2 p.m. 36.6 ppb (34) 23.9 ppb (22) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 34.0
 
July 23, 2020, 1 p.m. 37.4 ppb (35) 24.6 ppb (23) N/A 13.0 ppb (12) N/A N/A 6.0 ppb (5) 0.41 ppb (5) N/A 2.0 μg/m3 (8) 35.0
 
July 23, 2020, noon 23.7 ppb (22) 15.2 ppb (14) N/A 9.0 ppb (8) N/A N/A 9.0 ppb (7) 0.36 ppb (4) N/A 1.0 μg/m3 (4) 22.0
 
July 23, 2020, 11 a.m. 15.7 ppb (15) 9.3 ppb (9) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A 2.0 μg/m3 (8) 15.0
 
July 23, 2020, 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
 
July 23, 2020, 9 a.m. 7.5 ppb (7) 4.2 ppb (4) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.24 ppb (3) N/A 2.0 μg/m3 (8) 12.0
 
July 23, 2020, 8 a.m. 4.8 ppb (4) 3.0 ppb (3) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (13) 0.23 ppb (3) N/A 0.0 μg/m3 (0) 13.0
 
July 23, 2020, 7 a.m. 6.3 ppb (6) 3.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.25 ppb (3) N/A 2.0 μg/m3 (8) 13.0
 
July 23, 2020, 6 a.m. 7.1 ppb (7) 5.1 ppb (5) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (12) 0.31 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 23, 2020, 5 a.m. 8.8 ppb (8) 5.7 ppb (5) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 23, 2020, 4 a.m. 10.1 ppb (9) 6.2 ppb (6) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.34 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 23, 2020, 3 a.m. 10.9 ppb (10) 6.9 ppb (6) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 23, 2020, 2 a.m. 13.3 ppb (12) 8.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 23, 2020, 1 a.m. 14.0 ppb (13) 10.1 ppb (9) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.44 ppb (5) N/A 2.0 μg/m3 (8) 13.0
 
July 23, 2020, midnight 16.6 ppb (15) 12.1 ppb (11) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.4 ppb (4) N/A N/A 15.0
 
July 22, 2020, 11 p.m. 13.8 ppb (13) 9.4 ppb (9) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.38 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 22, 2020, 10 p.m. 14.2 ppb (13) 10.1 ppb (9) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 22, 2020, 9 p.m. 15.6 ppb (14) 10.8 ppb (10) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.42 ppb (5) N/A N/A 14.0
 
July 22, 2020, 8 p.m. 16.2 ppb (15) 11.2 ppb (10) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 22, 2020, 7 p.m. 23.8 ppb (22) 16.5 ppb (15) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.51 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 22, 2020, 6 p.m. 26.2 ppb (24) 16.9 ppb (16) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.47 ppb (5) N/A 4.0 μg/m3 (17) 24.0
 
July 22, 2020, 5 p.m. 33.5 ppb (31) 23.2 ppb (21) N/A 10.0 ppb (9) N/A N/A 11.0 ppb (8) 0.42 ppb (5) N/A 2.0 μg/m3 (8) 31.0
 
July 22, 2020, 4 p.m. 36.1 ppb (33) 23.8 ppb (22) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 33.0
 
July 22, 2020, 3 p.m. 27.4 ppb (25) 18.1 ppb (17) N/A 9.0 ppb (8) N/A N/A 11.0 ppb (8) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 22, 2020, 2 p.m. 30.2 ppb (28) 19.7 ppb (18) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.39 ppb (4) N/A 2.0 μg/m3 (8) 28.0
 
July 22, 2020, 1 p.m. 32.4 ppb (30) 20.6 ppb (19) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) 0.38 ppb (4) N/A 0.0 μg/m3 (0) 30.0
 
July 22, 2020, noon 22.9 ppb (21) 14.7 ppb (14) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.36 ppb (4) N/A -1.0 μg/m3 (0) 21.0
 
July 22, 2020, 11 a.m. 12.7 ppb (12) 8.4 ppb (8) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.3 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
July 22, 2020, 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
 
July 22, 2020, 9 a.m. 6.8 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.22 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
July 22, 2020, 8 a.m. 5.7 ppb (5) 3.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.26 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
July 22, 2020, 7 a.m. 7.4 ppb (7) 4.6 ppb (4) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (11) 0.28 ppb (3) N/A 2.0 μg/m3 (8) 11.0
 
July 22, 2020, 6 a.m. 7.4 ppb (7) 4.5 ppb (4) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (10) 0.35 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
July 22, 2020, 5 a.m. 10.9 ppb (10) 6.4 ppb (6) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.39 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 22, 2020, 4 a.m. 13.6 ppb (13) 8.1 ppb (8) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 22, 2020, 3 a.m. 12.3 ppb (11) 8.5 ppb (8) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 22, 2020, 2 a.m. 11.8 ppb (11) 8.9 ppb (8) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 12.0
 
July 22, 2020, 1 a.m. 16.0 ppb (15) 10.0 ppb (9) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.46 ppb (5) N/A 1.0 μg/m3 (4) 15.0
 
July 22, 2020, midnight 15.8 ppb (15) 11.1 ppb (10) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.46 ppb (5) N/A -2.0 μg/m3 (0) 15.0
 
July 21, 2020, 11 p.m. 20.0 ppb (19) 13.6 ppb (13) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.51 ppb (6) N/A N/A 19.0
 
July 21, 2020, 10 p.m. 18.9 ppb (18) 12.7 ppb (12) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.48 ppb (5) N/A 3.0 μg/m3 (12) 18.0
 
July 21, 2020, 9 p.m. 22.0 ppb (20) 13.7 ppb (13) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.51 ppb (6) N/A 4.0 μg/m3 (17) 20.0
 
July 21, 2020, 8 p.m. 22.5 ppb (21) 14.7 ppb (14) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2020, 7 p.m. 30.2 ppb (28) 19.1 ppb (18) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) 0.46 ppb (5) N/A 5.0 μg/m3 (21) 28.0
 
July 21, 2020, 6 p.m. 26.3 ppb (24) 17.2 ppb (16) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.56 ppb (6) N/A 4.0 μg/m3 (17) 24.0
 
July 21, 2020, 5 p.m. 28.9 ppb (27) 19.5 ppb (18) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) 0.53 ppb (6) N/A 2.0 μg/m3 (8) 27.0
 
July 21, 2020, 4 p.m. 34.6 ppb (32) 23.8 ppb (22) N/A 11.0 ppb (10) N/A N/A 11.0 ppb (8) 0.43 ppb (5) N/A 1.0 μg/m3 (4) 32.0
 
July 21, 2020, 3 p.m. 39.5 ppb (37) 25.1 ppb (23) N/A 14.0 ppb (13) N/A N/A 8.0 ppb (6) 0.45 ppb (5) N/A 4.0 μg/m3 (17) 37.0
 
July 21, 2020, 2 p.m. 38.3 ppb (35) 25.4 ppb (24) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.41 ppb (5) N/A 6.0 μg/m3 (25) 35.0
 
July 21, 2020, 1 p.m. 35.6 ppb (33) 22.2 ppb (21) N/A 13.0 ppb (12) N/A N/A 7.0 ppb (5) 0.42 ppb (5) N/A 3.0 μg/m3 (12) 33.0
 
July 21, 2020, noon 29.9 ppb (28) 17.6 ppb (16) N/A 12.0 ppb (11) N/A N/A 8.0 ppb (6) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 28.0
 
July 21, 2020, 11 a.m. 19.8 ppb (18) 11.7 ppb (11) N/A 8.0 ppb (7) N/A N/A 11.0 ppb (8) 0.33 ppb (4) N/A 2.0 μg/m3 (8) 18.0
 
July 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) N/A
July 21, 2020, 9 a.m. 7.8 ppb (7) 4.6 ppb (4) N/A 3.0 ppb (3) N/A N/A 15.0 ppb (12) 0.24 ppb (3) N/A -1.0 μg/m3 (0) 12.0
 
July 21, 2020, 8 a.m. 7.6 ppb (7) 4.2 ppb (4) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.26 ppb (3) N/A 1.0 μg/m3 (4) 12.0
 
July 21, 2020, 7 a.m. 8.2 ppb (8) 4.7 ppb (4) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (14) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 14.0
 
July 21, 2020, 6 a.m. 8.1 ppb (8) 4.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.34 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
July 21, 2020, 5 a.m. 8.0 ppb (7) 4.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2020, 4 a.m. 8.6 ppb (8) 5.2 ppb (5) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2020, 3 a.m. 11.9 ppb (11) 7.4 ppb (7) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.37 ppb (4) N/A 2.0 μg/m3 (8) 15.0
 
July 21, 2020, 2 a.m. 15.4 ppb (14) 9.0 ppb (8) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.46 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 21, 2020, 1 a.m. 16.5 ppb (15) 9.8 ppb (9) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2020, midnight 16.3 ppb (15) 10.6 ppb (10) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.39 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2020, 11 p.m. 13.8 ppb (13) 9.5 ppb (9) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.39 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2020, 10 p.m. 15.2 ppb (14) 9.8 ppb (9) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2020, 9 p.m. 19.8 ppb (18) 12.8 ppb (12) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2020, 8 p.m. 23.0 ppb (21) 15.4 ppb (14) N/A 8.0 ppb (7) N/A N/A 19.0 ppb (15) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2020, 7 p.m. 25.9 ppb (24) 16.9 ppb (16) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2020, 6 p.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
 
July 20, 2020, 5 p.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
 
July 20, 2020, 4 p.m. 32.6 ppb (30) 19.6 ppb (18) N/A 13.0 ppb (12) N/A N/A 14.0 ppb (11) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 30.0
 
July 20, 2020, 3 p.m. 34.0 ppb (31) 20.9 ppb (19) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 31.0
 
July 20, 2020, 2 p.m. 30.3 ppb (28) 17.8 ppb (16) N/A 12.0 ppb (11) N/A N/A 14.0 ppb (11) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 28.0
 
July 20, 2020, 1 p.m. 27.8 ppb (26) 16.3 ppb (15) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.39 ppb (4) N/A 4.0 μg/m3 (17) 26.0
 
July 20, 2020, noon 23.6 ppb (22) 13.8 ppb (13) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 22.0
 
July 20, 2020, 11 a.m. 11.6 ppb (11) 6.8 ppb (6) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2020, 9 a.m. 5.7 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
July 20, 2020, 8 a.m. 4.5 ppb (4) 2.8 ppb (3) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (15) 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2020, 7 a.m. 4.9 ppb (5) 3.1 ppb (3) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 2.0 μg/m3 (8) 14.0
 
July 20, 2020, 6 a.m. 6.9 ppb (6) 4.1 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.34 ppb (4) N/A 0.0 μg/m3 (0) 14.0
 
July 20, 2020, 5 a.m. 7.2 ppb (7) 4.5 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.38 ppb (4) N/A 0.0 μg/m3 (0) 14.0
 
July 20, 2020, 4 a.m. 10.5 ppb (10) 5.5 ppb (5) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (13) 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2020, 3 a.m. 10.0 ppb (9) 6.2 ppb (6) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.43 ppb (5) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2020, 2 a.m. 10.9 ppb (10) 6.2 ppb (6) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2020, 1 a.m. 11.0 ppb (10) 6.9 ppb (6) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.47 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 20, 2020, midnight 8.8 ppb (8) 5.6 ppb (5) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.41 ppb (5) N/A 3.0 μg/m3 (12) 16.0
 
July 19, 2020, 11 p.m. 8.3 ppb (8) 5.3 ppb (5) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2020, 10 p.m. 9.9 ppb (9) 6.1 ppb (6) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) 0.43 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2020, 9 p.m. 7.9 ppb (7) 5.3 ppb (5) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2020, 8 p.m. 7.9 ppb (7) 5.3 ppb (5) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, 7 p.m. 10.1 ppb (9) 7.1 ppb (7) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) 0.45 ppb (5) N/A 1.0 μg/m3 (4) 18.0
 
July 19, 2020, 6 p.m. 13.6 ppb (13) 8.0 ppb (7) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) 0.49 ppb (5) N/A 3.0 μg/m3 (12) 18.0
 
July 19, 2020, 5 p.m. 11.7 ppb (11) 7.3 ppb (7) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.48 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, 4 p.m. 11.2 ppb (10) 6.4 ppb (6) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.46 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, 3 p.m. 9.9 ppb (9) 5.2 ppb (5) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.39 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 19, 2020, 2 p.m. 9.2 ppb (9) 4.9 ppb (5) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2020, 1 p.m. 7.8 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, noon 5.3 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 20.0
 
July 19, 2020, 11 a.m. 3.4 ppb (3) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) 0.29 ppb (3) N/A 4.0 μg/m3 (17) 20.0
 
July 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2020, 9 a.m. 2.6 ppb (2) 1.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.31 ppb (3) N/A 3.0 μg/m3 (12) 18.0
 
July 19, 2020, 8 a.m. 3.2 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (18) 0.3 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2020, 7 a.m. 4.0 ppb (4) 2.7 ppb (3) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.32 ppb (4) N/A 3.0 μg/m3 (12) 18.0
 
July 19, 2020, 6 a.m. 6.1 ppb (6) 3.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 19, 2020, 5 a.m. 7.2 ppb (7) 4.5 ppb (4) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.38 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, 4 a.m. 8.2 ppb (8) 5.2 ppb (5) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (17) 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2020, 3 a.m. 11.7 ppb (11) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.46 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2020, 2 a.m. 16.5 ppb (15) 7.8 ppb (7) N/A 9.0 ppb (8) N/A N/A 20.0 ppb (15) 0.51 ppb (6) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2020, 1 a.m. 10.9 ppb (10) 6.0 ppb (6) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.47 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
July 19, 2020, midnight 10.0 ppb (9) 5.8 ppb (5) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2020, 11 p.m. 8.5 ppb (8) 5.1 ppb (5) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.42 ppb (5) N/A 3.0 μg/m3 (12) 20.0
 
July 18, 2020, 10 p.m. 12.3 ppb (11) 7.6 ppb (7) N/A 5.0 ppb (5) N/A N/A 24.0 ppb (18) 0.43 ppb (5) N/A 3.0 μg/m3 (12) 18.0
 
July 18, 2020, 9 p.m. 10.5 ppb (10) 6.2 ppb (6) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) 0.47 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2020, 8 p.m. 10.3 ppb (10) 6.4 ppb (6) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.43 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2020, 7 p.m. 12.6 ppb (12) 7.7 ppb (7) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) 0.46 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
July 18, 2020, 6 p.m. 14.1 ppb (13) 7.8 ppb (7) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.48 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2020, 5 p.m. 15.6 ppb (14) 8.9 ppb (8) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2020, 4 p.m. 22.6 ppb (21) 12.4 ppb (11) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.55 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2020, 3 p.m. 20.6 ppb (19) 10.1 ppb (9) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2020, 2 p.m. 21.1 ppb (20) 9.9 ppb (9) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0