AQSQID: 060010013

Site Name: Berkeley Aquatic Park

Location: Berkeley (No. 2), CA

Reporting: True, Located: True

Current AQI: 33.0

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
July 21, 2019, 8 a.m. 7.8 ppb (7) 4.8 ppb (4) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 21, 2019, 7 a.m. 8.7 ppb (8) 4.9 ppb (5) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 21, 2019, 6 a.m. 12.0 ppb (11) 6.1 ppb (6) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 21, 2019, 5 a.m. 11.2 ppb (10) 6.5 ppb (6) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 4 a.m. 10.8 ppb (10) 6.4 ppb (6) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 3 a.m. 11.3 ppb (10) 6.7 ppb (6) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) 0.37 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 2 a.m. 11.9 ppb (11) 7.7 ppb (7) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 2.0 μg/m3 (8) 15.0
 
July 21, 2019, 1 a.m. 14.0 ppb (13) 10.4 ppb (10) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 1.0 μg/m3 (4) 15.0
 
July 21, 2019, midnight 8.9 ppb (8) 5.4 ppb (5) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (18) 0.4 ppb (4) N/A 4.0 μg/m3 (17) 18.0
 
July 20, 2019, 11 p.m. 10.6 ppb (10) 6.4 ppb (6) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 10 p.m. 9.4 ppb (9) 6.3 ppb (6) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (20) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 9 p.m. 9.2 ppb (9) 6.0 ppb (6) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 8 p.m. 13.2 ppb (12) 9.3 ppb (9) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.45 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 7 p.m. 11.1 ppb (10) 7.0 ppb (6) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.47 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 6 p.m. 12.2 ppb (11) 7.8 ppb (7) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.44 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 20, 2019, 5 p.m. 15.8 ppb (15) 9.8 ppb (9) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (16) 0.38 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 4 p.m. 20.9 ppb (19) 13.4 ppb (12) N/A 8.0 ppb (7) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 3 p.m. 22.4 ppb (21) 12.9 ppb (12) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 2 p.m. 22.9 ppb (21) 13.9 ppb (13) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.37 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 20, 2019, 1 p.m. 17.4 ppb (16) 10.7 ppb (10) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, noon 13.7 ppb (13) 8.1 ppb (8) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.25 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 20, 2019, 11 a.m. 5.8 ppb (5) 3.5 ppb (3) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (17) 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 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
 
July 20, 2019, 9 a.m. 3.0 ppb (3) 2.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (18) 0.2 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 8 a.m. 3.4 ppb (3) 2.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (16) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 7 a.m. 6.1 ppb (6) 3.9 ppb (4) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (16) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 6 a.m. 9.2 ppb (9) 5.1 ppb (5) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 5 a.m. 10.5 ppb (10) 5.6 ppb (5) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 4 a.m. 9.9 ppb (9) 7.2 ppb (7) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (15) 0.31 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 20, 2019, 3 a.m. 12.6 ppb (12) 7.7 ppb (7) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
July 20, 2019, 2 a.m. 13.2 ppb (12) 7.5 ppb (7) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.36 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 20, 2019, 1 a.m. 9.0 ppb (8) 5.8 ppb (5) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (16) 0.34 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 20, 2019, midnight 14.0 ppb (13) 8.3 ppb (8) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.36 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 11 p.m. 11.0 ppb (10) 6.9 ppb (6) N/A 4.0 ppb (4) N/A N/A 22.0 ppb (17) 0.36 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 10 p.m. 18.7 ppb (17) 11.4 ppb (11) N/A 7.0 ppb (6) N/A N/A 20.0 ppb (15) 0.41 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
July 19, 2019, 9 p.m. 16.0 ppb (15) 9.4 ppb (9) N/A 7.0 ppb (6) N/A N/A 22.0 ppb (17) 0.47 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
July 19, 2019, 8 p.m. 22.1 ppb (20) 13.9 ppb (13) N/A 8.0 ppb (7) N/A N/A 21.0 ppb (16) 0.51 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 7 p.m. 19.0 ppb (18) 12.3 ppb (11) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) 0.49 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
July 19, 2019, 6 p.m. 26.7 ppb (25) 15.9 ppb (15) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) 0.46 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 19, 2019, 5 p.m. 32.6 ppb (30) 21.1 ppb (20) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) 0.43 ppb (5) N/A N/A 30.0
 
July 19, 2019, 4 p.m. 37.1 ppb (34) 24.5 ppb (23) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.37 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 3 p.m. 40.4 ppb (37) 24.7 ppb (23) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) 0.38 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 2 p.m. 40.8 ppb (38) 25.5 ppb (24) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.4 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 19, 2019, 1 p.m. 38.7 ppb (36) 23.0 ppb (21) N/A 16.0 ppb (15) N/A N/A 14.0 ppb (11) 0.33 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 19, 2019, noon 29.7 ppb (28) 16.8 ppb (16) N/A 13.0 ppb (12) N/A N/A 18.0 ppb (14) 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 11 a.m. 19.2 ppb (18) 10.6 ppb (10) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.26 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 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
 
July 19, 2019, 9 a.m. 9.8 ppb (9) 4.2 ppb (4) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (17) 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 19, 2019, 8 a.m. 8.5 ppb (8) 4.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 7 a.m. 7.9 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) 0.24 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 19, 2019, 6 a.m. 10.6 ppb (10) 5.5 ppb (5) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 5 a.m. 12.6 ppb (12) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (14) 0.33 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
July 19, 2019, 4 a.m. 16.2 ppb (15) 9.1 ppb (8) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.38 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 3 a.m. 20.0 ppb (19) 12.6 ppb (12) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 2 a.m. 23.8 ppb (22) 16.2 ppb (15) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 22.0
 
July 19, 2019, 1 a.m. 16.4 ppb (15) 12.3 ppb (11) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, midnight 15.4 ppb (14) 11.1 ppb (10) N/A 4.0 ppb (4) N/A N/A 11.0 ppb (8) 0.46 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 18, 2019, 11 p.m. 20.6 ppb (19) 15.7 ppb (15) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.48 ppb (5) N/A 4.0 μg/m3 (17) 19.0
 
July 18, 2019, 10 p.m. 20.2 ppb (19) 14.2 ppb (13) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.46 ppb (5) N/A 2.0 μg/m3 (8) 19.0
 
July 18, 2019, 9 p.m. 17.3 ppb (16) 13.3 ppb (12) N/A 4.0 ppb (4) N/A N/A 13.0 ppb (10) 0.42 ppb (5) N/A 3.0 μg/m3 (12) 16.0
 
July 18, 2019, 8 p.m. 19.7 ppb (18) 14.3 ppb (13) N/A 5.0 ppb (5) N/A N/A 11.0 ppb (8) 0.39 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 7 p.m. 23.1 ppb (21) 17.3 ppb (16) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.45 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 6 p.m. 19.7 ppb (18) 14.8 ppb (14) N/A 5.0 ppb (5) N/A N/A 13.0 ppb (10) 0.42 ppb (5) N/A 4.0 μg/m3 (17) 18.0
 
July 18, 2019, 5 p.m. 28.9 ppb (27) 20.8 ppb (19) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) 0.33 ppb (4) N/A 4.0 μg/m3 (17) 27.0
 
July 18, 2019, 4 p.m. 32.9 ppb (30) 22.9 ppb (21) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 7.0 μg/m3 (29) 30.0
 
July 18, 2019, 3 p.m. 36.6 ppb (34) 25.2 ppb (23) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.29 ppb (3) N/A 7.0 μg/m3 (29) 34.0
 
July 18, 2019, 2 p.m. 33.3 ppb (31) 23.0 ppb (21) N/A 10.0 ppb (9) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 31.0
 
July 18, 2019, 1 p.m. 30.8 ppb (29) 20.2 ppb (19) N/A 11.0 ppb (10) N/A N/A 10.0 ppb (8) 0.3 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, noon 35.6 ppb (33) 23.5 ppb (22) N/A 12.0 ppb (11) N/A N/A 10.0 ppb (8) 0.32 ppb (4) N/A 5.0 μg/m3 (21) 33.0
 
July 18, 2019, 11 a.m. 19.8 ppb (18) 12.9 ppb (12) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.28 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 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 18, 2019, 9 a.m. 8.5 ppb (8) 4.9 ppb (5) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.21 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 8 a.m. 7.1 ppb (7) 3.9 ppb (4) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (12) 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 7 a.m. 7.3 ppb (7) 4.0 ppb (4) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (13) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 6 a.m. 11.1 ppb (10) 7.0 ppb (6) N/A 4.0 ppb (4) N/A N/A 15.0 ppb (12) 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 5 a.m. 13.1 ppb (12) 8.1 ppb (8) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (11) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 4 a.m. 17.6 ppb (16) 10.3 ppb (10) N/A 7.0 ppb (6) N/A N/A 13.0 ppb (10) 0.35 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 18, 2019, 3 a.m. 21.9 ppb (20) 12.1 ppb (11) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) 0.42 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 18, 2019, 2 a.m. 20.9 ppb (19) 12.9 ppb (12) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 18, 2019, 1 a.m. 27.5 ppb (25) 17.6 ppb (16) N/A 10.0 ppb (9) N/A N/A 17.0 ppb (13) 0.66 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, midnight 26.5 ppb (25) 16.8 ppb (16) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) 0.46 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 11 p.m. 24.2 ppb (22) 14.6 ppb (14) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) 0.42 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 10 p.m. 22.3 ppb (21) 13.3 ppb (12) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) 0.4 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 9 p.m. 21.0 ppb (19) 12.3 ppb (11) N/A 9.0 ppb (8) N/A N/A 24.0 ppb (18) 0.42 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 8 p.m. 21.4 ppb (20) 13.7 ppb (13) N/A 8.0 ppb (7) N/A N/A 23.0 ppb (18) 0.43 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 7 p.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
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 4 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 17, 2019, 3 p.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
 
July 17, 2019, 2 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 17, 2019, 1 p.m. 48.9 ppb (45) 28.0 ppb (26) N/A 21.0 ppb (19) N/A N/A 8.0 ppb (6) 0.65 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, noon 37.8 ppb (35) 20.9 ppb (19) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.59 ppb (7) N/A 8.0 μg/m3 (33) 35.0
 
July 17, 2019, 11 a.m. 26.5 ppb (25) 13.9 ppb (13) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 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 (52) 52.0
 
July 17, 2019, 9 a.m. 5.6 ppb (5) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (15) 0.42 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 8 a.m. 8.3 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 17.0 ppb (13) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 7 a.m. 11.2 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.48 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 6 a.m. 10.1 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.51 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 5 a.m. 12.1 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.57 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 4 a.m. 15.9 ppb (15) 7.3 ppb (7) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.59 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 3 a.m. 16.0 ppb (15) 8.8 ppb (8) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.62 ppb (7) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 2 a.m. 20.8 ppb (19) 12.3 ppb (11) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.71 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
July 17, 2019, 1 a.m. 22.3 ppb (21) 13.7 ppb (13) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.72 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
July 17, 2019, midnight 32.1 ppb (30) 21.2 ppb (20) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) 0.72 ppb (8) N/A 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 11 p.m. 18.6 ppb (17) 11.8 ppb (11) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) 0.67 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 10 p.m. 23.7 ppb (22) 15.1 ppb (14) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) 0.69 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
July 16, 2019, 9 p.m. 29.1 ppb (27) 20.9 ppb (19) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.74 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
July 16, 2019, 8 p.m. 24.0 ppb (22) 17.5 ppb (16) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.71 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 7 p.m. 28.2 ppb (26) 21.2 ppb (20) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.72 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 6 p.m. 30.5 ppb (28) 21.1 ppb (20) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.64 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 5 p.m. 35.9 ppb (33) 25.7 ppb (24) N/A 10.0 ppb (9) N/A N/A 8.0 ppb (6) 0.57 ppb (6) N/A 6.0 μg/m3 (25) 33.0
 
July 16, 2019, 4 p.m. 39.9 ppb (37) 28.6 ppb (26) N/A 11.0 ppb (10) N/A N/A 7.0 ppb (5) 0.57 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 3 p.m. 18.4 ppb (17) 11.6 ppb (11) N/A 7.0 ppb (6) N/A N/A 7.0 ppb (5) 0.45 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 2 p.m. 12.0 ppb (11) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A 7.0 ppb (5) 0.39 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
July 16, 2019, 1 p.m. 32.5 ppb (30) 19.7 ppb (18) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) 0.49 ppb (5) N/A 5.0 μg/m3 (21) 30.0
 
July 16, 2019, noon 26.7 ppb (25) 15.5 ppb (14) N/A 11.0 ppb (10) N/A N/A 5.0 ppb (4) 0.49 ppb (5) N/A 5.0 μg/m3 (21) 25.0
 
July 16, 2019, 11 a.m. 24.5 ppb (23) 15.7 ppb (15) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) 0.47 ppb (5) N/A 5.0 μg/m3 (21) 23.0
 
July 16, 2019, 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
 
July 16, 2019, 9 a.m. 10.4 ppb (10) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 9.0 ppb (7) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 8 a.m. 6.9 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (8) 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 7 a.m. 11.7 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A 9.0 ppb (7) 0.51 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 6 a.m. 13.9 ppb (13) 5.0 ppb (5) N/A 9.0 ppb (8) N/A N/A 8.0 ppb (6) 0.52 ppb (6) N/A 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 5 a.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A N/A 7.0 ppb (5) 0.5 ppb (6) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 4 a.m. 14.3 ppb (13) 8.3 ppb (8) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (9) 0.58 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 16, 2019, 3 a.m. 14.5 ppb (13) 9.0 ppb (8) N/A 6.0 ppb (6) N/A N/A 13.0 ppb (10) 0.6 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 2 a.m. 16.5 ppb (15) 10.0 ppb (9) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) 0.66 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 1 a.m. 16.6 ppb (15) 10.5 ppb (10) N/A 6.0 ppb (6) N/A N/A 15.0 ppb (12) 0.67 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 16, 2019, midnight 15.2 ppb (14) 10.0 ppb (9) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) 0.64 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
July 15, 2019, 11 p.m. 19.6 ppb (18) 12.1 ppb (11) N/A 8.0 ppb (7) N/A N/A 15.0 ppb (12) 0.64 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 15, 2019, 10 p.m. 23.3 ppb (22) 15.3 ppb (14) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.67 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 9 p.m. 26.8 ppb (25) 16.6 ppb (15) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.72 ppb (8) N/A 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 8 p.m. 30.4 ppb (28) 18.9 ppb (18) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) 0.76 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 7 p.m. 28.8 ppb (27) 18.4 ppb (17) N/A 10.0 ppb (9) N/A N/A 16.0 ppb (12) 0.71 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 6 p.m. 32.7 ppb (30) 22.4 ppb (21) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.71 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 5 p.m. 41.5 ppb (38) 25.9 ppb (24) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.68 ppb (8) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 4 p.m. 60.1 ppb (56) 37.3 ppb (35) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.7 ppb (8) N/A 13.0 μg/m3 (52) 56.0
 
July 15, 2019, 3 p.m. 66.8 ppb (64) 43.3 ppb (40) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) 0.91 ppb (10) N/A 17.0 μg/m3 (61) 64.0
 
July 15, 2019, 2 p.m. 81.5 ppb (79) 54.7 ppb (51) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) 0.78 ppb (9) N/A 21.0 μg/m3 (69) 79.0
 
July 15, 2019, 1 p.m. 39.9 ppb (37) 20.0 ppb (19) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) 0.56 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 15, 2019, noon 28.8 ppb (27) 7.2 ppb (7) N/A 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.48 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 11 a.m. 32.2 ppb (30) 15.2 ppb (14) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) 0.47 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 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 15, 2019, 9 a.m. 13.1 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) 0.48 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 8 a.m. 19.5 ppb (18) 4.2 ppb (4) N/A 15.0 ppb (14) N/A N/A 5.0 ppb (4) 0.5 ppb (6) N/A 10.0 μg/m3 (42) 42.0
 
July 15, 2019, 7 a.m. 23.7 ppb (22) 6.9 ppb (6) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.59 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 6 a.m. 18.1 ppb (17) 3.3 ppb (3) N/A 15.0 ppb (14) N/A N/A 7.0 ppb (5) 0.58 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 5 a.m. 21.2 ppb (20) 3.4 ppb (3) N/A 18.0 ppb (17) N/A N/A 4.0 ppb (3) 0.55 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 15, 2019, 4 a.m. 23.1 ppb (21) 9.0 ppb (8) N/A 14.0 ppb (13) N/A N/A 9.0 ppb (7) 0.63 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
July 15, 2019, 3 a.m. 23.8 ppb (22) 11.0 ppb (10) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) 0.66 ppb (7) N/A 9.0 μg/m3 (38) 38.0
 
July 15, 2019, 2 a.m. 17.8 ppb (16) 9.3 ppb (9) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) 0.62 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
July 15, 2019, 1 a.m. 18.1 ppb (17) 10.5 ppb (10) N/A 8.0 ppb (7) N/A N/A 14.0 ppb (11) 0.61 ppb (7) N/A 13.0 μg/m3 (52) 52.0
 
July 15, 2019, midnight 15.5 ppb (14) 9.1 ppb (8) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.6 ppb (7) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 11 p.m. 10.9 ppb (10) 7.0 ppb (6) N/A 4.0 ppb (4) N/A N/A 17.0 ppb (13) 0.62 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 10 p.m. 10.1 ppb (9) 6.9 ppb (6) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (14) 0.56 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 9 p.m. 13.3 ppb (12) 8.5 ppb (8) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.56 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 8 p.m. 12.3 ppb (11) 7.3 ppb (7) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) 0.56 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 7 p.m. 15.2 ppb (14) 8.7 ppb (8) N/A 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.59 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 14, 2019, 6 p.m. 15.5 ppb (14) 9.5 ppb (9) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.6 ppb (7) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 5 p.m. 13.9 ppb (13) 8.5 ppb (8) N/A 5.0 ppb (5) N/A N/A 18.0 ppb (14) 0.56 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 4 p.m. 16.0 ppb (15) 9.7 ppb (9) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) 0.52 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
July 14, 2019, 3 p.m. 13.0 ppb (12) 6.3 ppb (6) N/A 7.0 ppb (6) N/A N/A 15.0 ppb (12) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 2 p.m. 4.5 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 1 p.m. 16.3 ppb (15) 7.3 ppb (7) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) 0.43 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
July 14, 2019, noon 10.9 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A 12.0 ppb (9) 0.36 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 11 a.m. 6.5 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (9) 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 14, 2019, 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
 
July 14, 2019, 9 a.m. 11.9 ppb (11) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A 8.0 ppb (6) 0.44 ppb (5) N/A 9.0 μg/m3 (38) 38.0