ID: 2722

AQSQID: 060010013

Site Name: Berkeley Aquatic Park

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

Updated: July 25, 2021, 8:55 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
July 25, 2021, 7 a.m. 5.3 ppb (5) 3.9 ppb (4) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) 0.28 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 25, 2021, 6 a.m. 7.4 ppb (7) 5.9 ppb (6) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) 0.39 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 5 a.m. 8.2 ppb (8) 6.2 ppb (6) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 25, 2021, 4 a.m. 7.6 ppb (8) 5.9 ppb (6) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 25, 2021, 3 a.m. 7.6 ppb (8) 5.2 ppb (5) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 25, 2021, 2 a.m. 6.8 ppb (7) 5.4 ppb (6) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 25, 2021, 1 a.m. 6.7 ppb (7) 5.7 ppb (6) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) 0.33 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 25, 2021, midnight 7.9 ppb (8) 6.2 ppb (6) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 11 p.m. 7.9 ppb (8) 5.7 ppb (6) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 10 p.m. 6.8 ppb (7) 5.6 ppb (6) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 9 p.m. 6.1 ppb (6) 5.7 ppb (6) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 24, 2021, 8 p.m. 7.3 ppb (7) 6.6 ppb (7) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 7 p.m. 9.2 ppb (9) 6.6 ppb (7) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) 0.35 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 6 p.m. 8.7 ppb (9) 6.3 ppb (6) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 24, 2021, 5 p.m. 12.6 ppb (12) 8.7 ppb (9) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) 0.35 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 24, 2021, 4 p.m. 15.4 ppb (15) 10.3 ppb (10) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.36 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 3 p.m. 22.6 ppb (22) 13.3 ppb (13) N/A 9.0 ppb (9) N/A N/A 16.0 ppb (15) 0.41 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
July 24, 2021, 2 p.m. 20.6 ppb (20) 12.7 ppb (12) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.38 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 2021, 1 p.m. 18.0 ppb (17) 11.3 ppb (11) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 24, 2021, noon 11.2 ppb (11) 5.7 ppb (6) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) 0.26 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 11 a.m. 8.2 ppb (8) 5.1 ppb (5) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) 0.22 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 24, 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
 
July 24, 2021, 9 a.m. 4.4 ppb (5) 2.9 ppb (3) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) 0.21 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 8 a.m. 8.4 ppb (8) 5.9 ppb (6) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) 0.24 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
July 24, 2021, 7 a.m. 5.4 ppb (6) 4.4 ppb (5) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) 0.26 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 6 a.m. 9.6 ppb (10) 7.4 ppb (7) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 5 a.m. 10.6 ppb (10) 7.1 ppb (7) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) 0.38 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 4 a.m. 9.7 ppb (10) 6.8 ppb (7) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.31 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 24, 2021, 3 a.m. 9.7 ppb (10) 7.2 ppb (7) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 24, 2021, 2 a.m. 12.6 ppb (12) 7.6 ppb (8) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (20) 0.38 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
July 24, 2021, 1 a.m. 10.3 ppb (10) 7.0 ppb (7) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) 0.31 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 24, 2021, midnight 11.0 ppb (11) 9.0 ppb (9) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 11 p.m. 7.5 ppb (8) 5.8 ppb (6) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.28 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 10 p.m. 8.4 ppb (8) 6.3 ppb (6) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 9 p.m. 10.8 ppb (11) 8.6 ppb (9) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 23, 2021, 8 p.m. 12.5 ppb (12) 8.8 ppb (9) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 7 p.m. 17.4 ppb (17) 12.9 ppb (13) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 6 p.m. 19.4 ppb (19) 12.7 ppb (12) N/A 7.0 ppb (7) N/A N/A 19.0 ppb (18) 0.45 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 3 p.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
 
July 23, 2021, 2 p.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
 
July 23, 2021, 1 p.m. 15.0 ppb (15) 4.9 ppb (5) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) 0.26 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 23, 2021, noon 34.8 ppb (33) 20.9 ppb (20) N/A 14.0 ppb (14) N/A N/A 6.0 ppb (6) 0.38 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 11 a.m. 20.2 ppb (20) 10.0 ppb (10) N/A 10.0 ppb (10) N/A N/A 9.0 ppb (9) 0.23 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 9 a.m. 20.0 ppb (19) 13.1 ppb (13) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.28 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 23, 2021, 8 a.m. 23.8 ppb (23) 15.8 ppb (15) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 7 a.m. 17.7 ppb (17) 11.2 ppb (11) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.33 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 6 a.m. 15.3 ppb (15) 8.5 ppb (9) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.26 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 23, 2021, 5 a.m. 25.1 ppb (24) 16.3 ppb (16) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) 0.47 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 23, 2021, 4 a.m. 14.4 ppb (14) 7.5 ppb (8) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 3 a.m. 16.9 ppb (16) 9.3 ppb (9) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.44 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
July 23, 2021, 2 a.m. 17.3 ppb (17) 11.4 ppb (11) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (14) 0.45 ppb (6) N/A 20.0 μg/m3 (68) 68.0
 
July 23, 2021, 1 a.m. 16.0 ppb (16) 11.3 ppb (11) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) 0.42 ppb (5) N/A 21.0 μg/m3 (70) 70.0
 
July 23, 2021, midnight 14.4 ppb (14) 9.9 ppb (10) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) 0.35 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 22, 2021, 11 p.m. 15.5 ppb (15) 11.6 ppb (11) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.37 ppb (5) N/A 21.0 μg/m3 (70) 70.0
 
July 22, 2021, 10 p.m. 13.8 ppb (14) 10.7 ppb (11) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.34 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, 9 p.m. 15.9 ppb (15) 12.0 ppb (12) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.34 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
July 22, 2021, 8 p.m. 15.7 ppb (15) 12.4 ppb (12) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 22, 2021, 7 p.m. 20.6 ppb (20) 15.7 ppb (15) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) 0.35 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 6 p.m. 23.9 ppb (23) 17.6 ppb (17) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (14) 0.34 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 5 p.m. 21.0 ppb (20) 15.3 ppb (15) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (14) 0.31 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 4 p.m. 34.2 ppb (33) 22.7 ppb (22) N/A 12.0 ppb (12) N/A N/A 12.0 ppb (12) 0.34 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 3 p.m. 37.4 ppb (36) 24.0 ppb (23) N/A 13.0 ppb (13) N/A N/A 9.0 ppb (9) 0.34 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 2 p.m. 38.5 ppb (37) 24.1 ppb (23) N/A 14.0 ppb (14) N/A N/A 8.0 ppb (8) 0.38 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
July 22, 2021, 1 p.m. 24.2 ppb (23) 13.7 ppb (13) N/A 11.0 ppb (11) N/A N/A 10.0 ppb (10) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, noon 27.1 ppb (26) 14.5 ppb (14) N/A 13.0 ppb (13) N/A N/A 9.0 ppb (9) 0.32 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
July 22, 2021, 11 a.m. 20.7 ppb (20) 12.1 ppb (12) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.29 ppb (4) N/A 19.0 μg/m3 (66) 66.0
 
July 22, 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
 
July 22, 2021, 9 a.m. 5.7 ppb (6) 4.1 ppb (4) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 22, 2021, 8 a.m. 4.4 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.22 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 22, 2021, 7 a.m. 14.8 ppb (14) 9.0 ppb (9) N/A 6.0 ppb (6) N/A N/A 14.0 ppb (13) 0.28 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 6 a.m. 17.8 ppb (17) 9.9 ppb (10) N/A 8.0 ppb (8) N/A N/A 14.0 ppb (13) 0.34 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 22, 2021, 5 a.m. 16.6 ppb (16) 9.5 ppb (9) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) 0.41 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
July 22, 2021, 4 a.m. 16.5 ppb (16) 10.0 ppb (10) N/A 7.0 ppb (7) N/A N/A 13.0 ppb (13) 0.43 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
July 22, 2021, 3 a.m. 17.9 ppb (17) 12.8 ppb (13) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.42 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 2 a.m. 20.2 ppb (20) 12.4 ppb (12) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
July 22, 2021, 1 a.m. 21.0 ppb (20) 14.0 ppb (14) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.42 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 22, 2021, midnight 22.0 ppb (21) 15.4 ppb (15) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) 0.4 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
July 21, 2021, 11 p.m. 23.5 ppb (23) 15.9 ppb (15) N/A 8.0 ppb (8) N/A N/A 15.0 ppb (14) 0.4 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 10 p.m. 16.2 ppb (16) 13.0 ppb (13) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 9 p.m. 15.8 ppb (15) 12.1 ppb (12) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) 0.36 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 8 p.m. 20.2 ppb (20) 13.9 ppb (14) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (16) 0.36 ppb (5) N/A 23.0 μg/m3 (74) 74.0
 
July 21, 2021, 7 p.m. 25.3 ppb (24) 16.4 ppb (16) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) 0.41 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 6 p.m. 33.0 ppb (32) 21.4 ppb (21) N/A 12.0 ppb (12) N/A N/A 15.0 ppb (14) 0.4 ppb (5) N/A 21.0 μg/m3 (70) 70.0
 
July 21, 2021, 5 p.m. 35.5 ppb (34) 24.0 ppb (23) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.36 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 4 p.m. 41.8 ppb (40) 27.0 ppb (26) N/A 15.0 ppb (15) N/A N/A 11.0 ppb (11) 0.36 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 3 p.m. 40.7 ppb (39) 24.1 ppb (23) N/A 17.0 ppb (17) N/A N/A 9.0 ppb (9) 0.36 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
July 21, 2021, 2 p.m. 29.1 ppb (28) 15.7 ppb (15) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) 0.34 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 1 p.m. 37.0 ppb (35) 20.8 ppb (20) N/A 16.0 ppb (16) N/A N/A 10.0 ppb (10) 0.39 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
July 21, 2021, noon 14.3 ppb (14) 4.7 ppb (5) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 11 a.m. 10.9 ppb (11) 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 21, 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
 
July 21, 2021, 9 a.m. 8.7 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) 0.21 ppb (3) N/A 14.0 μg/m3 (55) 55.0
 
July 21, 2021, 8 a.m. 7.2 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 7 a.m. 6.6 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) 0.25 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
July 21, 2021, 6 a.m. 11.5 ppb (11) 6.1 ppb (6) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) 0.31 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 21, 2021, 5 a.m. 29.0 ppb (28) 19.2 ppb (19) N/A 10.0 ppb (10) N/A N/A 12.0 ppb (12) 0.4 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 21, 2021, 4 a.m. 21.5 ppb (21) 15.2 ppb (15) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 3 a.m. 18.8 ppb (18) 12.2 ppb (12) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.39 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 2 a.m. 20.3 ppb (20) 14.8 ppb (14) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 21, 2021, 1 a.m. 21.2 ppb (20) 14.8 ppb (14) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 21, 2021, midnight 19.4 ppb (19) 14.0 ppb (14) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 11 p.m. 23.4 ppb (23) 18.1 ppb (18) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (13) 0.42 ppb (5) N/A 7.0 μg/m3 (30) 30.0
 
July 20, 2021, 10 p.m. 16.9 ppb (16) 12.5 ppb (12) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) 0.38 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2021, 9 p.m. 19.1 ppb (19) 15.6 ppb (15) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (14) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2021, 8 p.m. 19.8 ppb (19) 15.1 ppb (15) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.37 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2021, 7 p.m. 26.4 ppb (25) 18.7 ppb (18) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) 0.37 ppb (5) N/A 15.0 μg/m3 (58) 58.0
 
July 20, 2021, 6 p.m. 29.7 ppb (29) 21.3 ppb (21) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.39 ppb (5) N/A N/A 29.0
 
July 20, 2021, 5 p.m. 39.8 ppb (38) 26.9 ppb (26) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.36 ppb (5) N/A 6.0 μg/m3 (25) 38.0
 
July 20, 2021, 4 p.m. 38.3 ppb (37) 24.3 ppb (23) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) 0.37 ppb (5) N/A 7.0 μg/m3 (30) 37.0
 
July 20, 2021, 3 p.m. 34.1 ppb (33) 21.5 ppb (21) N/A 13.0 ppb (13) N/A N/A 8.0 ppb (8) 0.32 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 2 p.m. 28.8 ppb (28) 19.3 ppb (19) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) 0.31 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 1 p.m. 28.6 ppb (27) 20.2 ppb (20) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.29 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 20, 2021, noon 25.6 ppb (25) 16.6 ppb (16) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) 0.33 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 11 a.m. 17.1 ppb (17) 9.9 ppb (10) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) 0.27 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 20, 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
 
July 20, 2021, 9 a.m. 7.9 ppb (8) 4.6 ppb (5) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.21 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 8 a.m. 8.8 ppb (9) 4.7 ppb (5) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) 0.2 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 7 a.m. 7.2 ppb (7) 4.8 ppb (5) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 6 a.m. 8.4 ppb (8) 5.2 ppb (5) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) 0.29 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, 5 a.m. 26.0 ppb (25) 17.1 ppb (17) N/A 9.0 ppb (9) N/A N/A 12.0 ppb (12) 0.43 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2021, 4 a.m. 20.6 ppb (20) 12.1 ppb (12) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) 0.45 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2021, 3 a.m. 15.5 ppb (15) 9.5 ppb (9) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (13) 0.4 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 2 a.m. 16.4 ppb (16) 11.3 ppb (11) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) 0.42 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
July 20, 2021, 1 a.m. 16.4 ppb (16) 11.7 ppb (12) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 20, 2021, midnight 10.4 ppb (10) 8.6 ppb (9) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) 0.31 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 19, 2021, 11 p.m. 13.2 ppb (13) 9.3 ppb (9) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (16) 0.33 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 10 p.m. 13.6 ppb (13) 10.5 ppb (10) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) 0.34 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
July 19, 2021, 9 p.m. 13.3 ppb (13) 9.5 ppb (9) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 19, 2021, 8 p.m. 15.3 ppb (15) 10.4 ppb (10) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (18) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 19, 2021, 6 p.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
 
July 19, 2021, 5 p.m. 24.3 ppb (23) 17.8 ppb (17) N/A 7.0 ppb (7) N/A N/A 14.0 ppb (13) 0.36 ppb (5) N/A 19.0 μg/m3 (66) 66.0
 
July 19, 2021, 4 p.m. 30.0 ppb (29) 20.6 ppb (20) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) 0.34 ppb (4) N/A 18.0 μg/m3 (64) 64.0
 
July 19, 2021, 3 p.m. 25.7 ppb (25) 17.1 ppb (17) N/A 9.0 ppb (9) N/A N/A 13.0 ppb (13) 0.31 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 2 p.m. 31.9 ppb (31) 21.3 ppb (21) N/A 11.0 ppb (11) N/A N/A 11.0 ppb (11) 0.34 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2021, 1 p.m. 47.4 ppb (45) 30.8 ppb (30) N/A 17.0 ppb (17) N/A N/A 6.0 ppb (6) 0.45 ppb (6) N/A 13.0 μg/m3 (53) 53.0
 
July 19, 2021, noon 30.4 ppb (29) 19.0 ppb (18) N/A 11.0 ppb (11) N/A N/A 10.0 ppb (10) 0.37 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
July 19, 2021, 11 a.m. 14.9 ppb (15) 9.6 ppb (10) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) 0.28 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (53) 53.0
 
July 19, 2021, 9 a.m. 7.2 ppb (7) 4.5 ppb (5) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.21 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 8 a.m. 4.8 ppb (5) 3.2 ppb (4) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) 0.21 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2021, 7 a.m. 6.6 ppb (7) 3.5 ppb (4) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 6 a.m. 9.6 ppb (10) 6.4 ppb (7) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) 0.29 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 5 a.m. 10.6 ppb (10) 7.0 ppb (7) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 4 a.m. 10.6 ppb (10) 7.0 ppb (7) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2021, 3 a.m. 12.4 ppb (12) 8.1 ppb (8) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (17) 0.38 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2021, 2 a.m. 10.6 ppb (10) 7.5 ppb (8) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) 0.39 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 19, 2021, 1 a.m. 6.6 ppb (7) 5.2 ppb (5) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) 0.33 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 19, 2021, midnight 10.3 ppb (10) 7.2 ppb (7) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) 0.33 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
July 18, 2021, 11 p.m. 9.1 ppb (9) 7.2 ppb (7) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) 0.37 ppb (5) N/A 18.0 μg/m3 (64) 64.0
 
July 18, 2021, 10 p.m. 7.1 ppb (7) 5.6 ppb (6) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) 0.34 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2021, 9 p.m. 6.6 ppb (7) 6.1 ppb (6) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (20) 0.36 ppb (5) N/A 16.0 μg/m3 (60) 60.0
 
July 18, 2021, 8 p.m. 5.8 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) 0.33 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 18, 2021, 7 p.m. 6.7 ppb (7) 5.8 ppb (6) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 18, 2021, 6 p.m. 8.1 ppb (8) 6.4 ppb (7) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) 0.35 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
July 18, 2021, 5 p.m. 8.1 ppb (8) 7.4 ppb (7) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (16) 0.35 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 18, 2021, 4 p.m. 16.2 ppb (16) 12.8 ppb (13) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (13) 0.41 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 3 p.m. 14.1 ppb (14) 11.0 ppb (11) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (13) 0.39 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2021, 2 p.m. 12.1 ppb (12) 8.6 ppb (9) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (13) 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 1 p.m. 8.5 ppb (9) 5.7 ppb (6) N/A 3.0 ppb (3) N/A N/A 13.0 ppb (13) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2021, noon 4.8 ppb (5) 3.2 ppb (4) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2021, 11 a.m. 3.0 ppb (3) 2.7 ppb (3) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) 0.19 ppb (3) N/A 18.0 μg/m3 (64) 64.0
 
July 18, 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
 
July 18, 2021, 9 a.m. 4.3 ppb (5) 3.3 ppb (4) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) 0.24 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 18, 2021, 8 a.m. 5.2 ppb (5) 3.5 ppb (4) N/A 2.0 ppb (2) N/A N/A 15.0 ppb (14) 0.26 ppb (4) N/A 13.0 μg/m3 (53) 53.0