AQSQID: 060374006

Site Name: Long Beach - Hudson

Location: Palos Verdes Estates, CA

Reporting: True, Located: True

Current AQI: 32.0

Palos Verdes Estates CA, US: 33.8022, -118.3667

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 9 p.m. 3.2 ppb (3) -1.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
May 25, 2019, 8 p.m. 2.6 ppb (2) -1.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) N/A N/A 34.0
 
May 25, 2019, 7 p.m. 2.9 ppb (3) -1.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.12 ppb (1) N/A N/A 33.0
 
May 25, 2019, 6 p.m. 3.8 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.12 ppb (1) N/A N/A 31.0
 
May 25, 2019, 5 p.m. 7.9 ppb (7) 1.2 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 36.0 ppb (28) 0.25 ppb (3) N/A N/A 28.0
 
May 25, 2019, 4 p.m. 6.6 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.13 ppb (1) N/A N/A 25.0
 
May 25, 2019, 3 p.m. 16.6 ppb (15) 2.2 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) N/A N/A 17.0
 
May 25, 2019, 2 p.m. 30.0 ppb (28) 9.4 ppb (9) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 10.0 ppb (8) 0.29 ppb (3) N/A N/A 28.0
 
May 25, 2019, 1 p.m. 27.3 ppb (25) 5.4 ppb (5) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 4.0 ppb (3) 0.32 ppb (4) N/A N/A 25.0
 
May 25, 2019, noon 17.3 ppb (16) -0.9 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 8.0 ppb (6) 0.19 ppb (2) N/A N/A 17.0
 
May 25, 2019, 11 a.m. 6.6 ppb (6) -2.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.16 ppb (2) N/A N/A 15.0
 
May 25, 2019, 10 a.m. 6.3 ppb (6) -2.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) N/A N/A 15.0
 
May 25, 2019, 9 a.m. 10.7 ppb (10) -2.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) N/A N/A 13.0
 
May 25, 2019, 8 a.m. 11.2 ppb (10) -2.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) N/A N/A 13.0
 
May 25, 2019, 7 a.m. 12.1 ppb (11) -2.1 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) N/A N/A 15.0
 
May 25, 2019, 6 a.m. 8.2 ppb (8) -1.6 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) N/A N/A 22.0
 
May 25, 2019, 5 a.m. 8.3 ppb (8) -1.4 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 30.0 ppb (23) 0.13 ppb (1) N/A N/A 23.0
 
May 25, 2019, 4 a.m. 8.9 ppb (8) -1.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 30.0 ppb (23) 0.14 ppb (2) N/A N/A 23.0
 
May 25, 2019, 3 a.m. 3.6 ppb (3) -1.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A N/A 26.0
 
May 25, 2019, 2 a.m. 3.4 ppb (3) -1.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
May 25, 2019, 1 a.m. 5.4 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
May 25, 2019, midnight 3.2 ppb (3) -0.9 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 38.0 ppb (29) 0.13 ppb (1) N/A N/A 29.0
 
May 24, 2019, 11 p.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 36.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
May 24, 2019, 10 p.m. 10.9 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
May 24, 2019, 9 p.m. 7.8 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) N/A N/A 28.0
 
May 24, 2019, 8 p.m. 11.3 ppb (10) 2.4 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
May 24, 2019, 7 p.m. 9.6 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 39.0 ppb (30) 0.16 ppb (2) N/A N/A 30.0
 
May 24, 2019, 6 p.m. 14.9 ppb (14) 3.3 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 34.0 ppb (26) 0.19 ppb (2) N/A N/A 26.0
 
May 24, 2019, 5 p.m. 29.4 ppb (27) 10.0 ppb (9) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 23.0 ppb (18) 0.24 ppb (3) N/A N/A 27.0
 
May 24, 2019, 4 p.m. 36.3 ppb (34) 13.0 ppb (12) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 20.0 ppb (15) 0.4 ppb (4) N/A N/A 34.0
 
May 24, 2019, 3 p.m. 47.9 ppb (44) 21.9 ppb (20) N/A 26.0 ppb (24) N/A 0.0 ppb (0) 11.0 ppb (8) 0.48 ppb (5) N/A N/A 44.0
 
May 24, 2019, 2 p.m. 80.8 ppb (79) 50.2 ppb (46) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (3) 0.77 ppb (9) N/A N/A 79.0
 
May 24, 2019, 1 p.m. 72.5 ppb (70) 41.4 ppb (38) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 1.0 ppb (1) 0.71 ppb (8) N/A N/A 70.0
 
May 24, 2019, noon 46.7 ppb (43) 15.9 ppb (15) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) N/A N/A 43.0
 
May 24, 2019, 11 a.m. 40.7 ppb (38) 10.9 ppb (10) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 0.0 ppb (0) 0.38 ppb (4) N/A N/A 38.0
 
May 24, 2019, 10 a.m. 25.1 ppb (23) 0.4 ppb (0) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 4.0 ppb (3) 0.24 ppb (3) N/A N/A 23.0
 
May 24, 2019, 9 a.m. 26.4 ppb (24) -0.6 ppb (0) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 3.0 ppb (2) 0.25 ppb (3) N/A N/A 25.0
 
May 24, 2019, 8 a.m. 22.3 ppb (21) -0.8 ppb (0) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 7.0 ppb (5) 0.25 ppb (3) N/A N/A 21.0
 
May 24, 2019, 7 a.m. 20.7 ppb (19) -0.5 ppb (0) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 11.0 ppb (8) 0.22 ppb (2) N/A N/A 19.0
 
May 24, 2019, 6 a.m. 13.2 ppb (12) -1.6 ppb (0) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 18.0 ppb (14) 0.19 ppb (2) N/A N/A 14.0
 
May 24, 2019, 5 a.m. 15.7 ppb (15) -1.1 ppb (0) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) N/A N/A 16.0
 
May 24, 2019, 4 a.m. 23.3 ppb (22) -1.6 ppb (0) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) N/A N/A 23.0
 
May 24, 2019, 3 a.m. 20.2 ppb (19) -1.6 ppb (0) N/A 22.0 ppb (20) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) N/A N/A 20.0
 
May 24, 2019, 2 a.m. 20.4 ppb (19) -1.1 ppb (0) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 21.0 ppb (16) 0.15 ppb (2) N/A N/A 20.0
 
May 24, 2019, 1 a.m. 13.8 ppb (13) 0.3 ppb (0) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 27.0 ppb (21) 0.13 ppb (1) N/A N/A 21.0
 
May 24, 2019, midnight 5.5 ppb (5) -1.3 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.13 ppb (1) N/A N/A 25.0
 
May 23, 2019, 11 p.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) N/A N/A 25.0
 
May 23, 2019, 10 p.m. 3.9 ppb (4) -0.8 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
May 23, 2019, 9 p.m. 4.5 ppb (4) -0.8 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.15 ppb (2) N/A N/A 29.0
 
May 23, 2019, 8 p.m. 4.7 ppb (4) -0.8 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
May 23, 2019, 7 p.m. 7.0 ppb (6) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
May 23, 2019, 6 p.m. 3.2 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A N/A 30.0
 
May 23, 2019, 5 p.m. 3.2 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
May 23, 2019, 4 p.m. 7.8 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) N/A N/A 24.0
 
May 23, 2019, 3 p.m. 4.6 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
May 23, 2019, 2 p.m. 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 26.0 ppb (20) 0.24 ppb (3) N/A N/A 20.0
 
May 23, 2019, 1 p.m. 9.0 ppb (8) -0.9 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) N/A N/A 18.0
 
May 23, 2019, noon 4.7 ppb (4) -2.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) N/A N/A 21.0
 
May 23, 2019, 11 a.m. 3.0 ppb (3) -2.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) N/A N/A 24.0
 
May 23, 2019, 10 a.m. 3.1 ppb (3) -2.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) N/A N/A 23.0
 
May 23, 2019, 9 a.m. 1.8 ppb (2) -2.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A N/A 26.0
 
May 23, 2019, 8 a.m. 3.5 ppb (3) -2.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A N/A 24.0
 
May 23, 2019, 7 a.m. 11.5 ppb (11) -2.1 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) N/A N/A 17.0
 
May 23, 2019, 6 a.m. 16.6 ppb (15) -2.0 ppb (0) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A N/A 18.0
 
May 23, 2019, 5 a.m. 13.5 ppb (12) -2.0 ppb (0) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) N/A N/A 18.0
 
May 23, 2019, 4 a.m. 19.2 ppb (18) -1.8 ppb (0) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) N/A N/A 19.0
 
May 23, 2019, 3 a.m. 15.6 ppb (14) -2.0 ppb (0) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
May 23, 2019, 2 a.m. 18.8 ppb (17) -1.3 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) N/A N/A 23.0
 
May 23, 2019, 1 a.m. 16.1 ppb (15) 0.1 ppb (0) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 35.0 ppb (27) 0.18 ppb (2) N/A N/A 27.0
 
May 23, 2019, midnight 8.9 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 41.0 ppb (32) 0.21 ppb (2) N/A N/A 32.0
 
May 22, 2019, 11 p.m. 14.5 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 40.0 ppb (31) 0.22 ppb (2) N/A N/A 31.0
 
May 22, 2019, 10 p.m. 15.5 ppb (14) 2.8 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 32.0 ppb (25) 0.17 ppb (2) N/A N/A 25.0
 
May 22, 2019, 9 p.m. 13.7 ppb (13) 4.4 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 35.0 ppb (27) 0.15 ppb (2) N/A N/A 27.0
 
May 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 22, 2019, 5 p.m. 11.6 ppb (11) 2.8 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.15 ppb (2) N/A N/A 28.0
 
May 22, 2019, 4 p.m. 16.7 ppb (15) 4.5 ppb (4) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 30.0 ppb (23) 0.19 ppb (2) N/A N/A 23.0
 
May 22, 2019, 3 p.m. 31.2 ppb (29) 13.2 ppb (12) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 25.0 ppb (19) 0.19 ppb (2) N/A N/A 29.0
 
May 22, 2019, 2 p.m. 24.1 ppb (22) 7.3 ppb (7) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 23.0 ppb (18) 0.22 ppb (2) N/A N/A 22.0
 
May 22, 2019, 1 p.m. 15.5 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A 2.0 ppb (3) 27.0 ppb (21) 0.15 ppb (2) N/A N/A 21.0
 
May 22, 2019, noon 5.6 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
May 22, 2019, 11 a.m. 3.3 ppb (3) -1.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
May 22, 2019, 10 a.m. 3.4 ppb (3) -1.6 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
May 22, 2019, 9 a.m. 8.8 ppb (8) -1.0 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A N/A 22.0
 
May 22, 2019, 8 a.m. 8.4 ppb (8) -0.7 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) N/A N/A 24.0
 
May 22, 2019, 7 a.m. 37.5 ppb (35) 6.0 ppb (6) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 35.0
 
May 22, 2019, 6 a.m. 13.4 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) N/A N/A 21.0
 
May 22, 2019, 5 a.m. 9.4 ppb (9) 0.3 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A N/A 25.0
 
May 22, 2019, 4 a.m. 13.9 ppb (13) 1.7 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) N/A N/A 23.0
 
May 22, 2019, 3 a.m. 10.2 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
May 22, 2019, 2 a.m. 8.4 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A N/A 26.0
 
May 22, 2019, 1 a.m. 5.5 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A N/A 28.0
 
May 22, 2019, midnight 9.0 ppb (8) 2.2 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
May 21, 2019, 11 p.m. 10.3 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
May 21, 2019, 10 p.m. 8.3 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.15 ppb (2) N/A N/A 31.0
 
May 21, 2019, 9 p.m. 9.2 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.14 ppb (2) N/A N/A 31.0
 
May 21, 2019, 8 p.m. 8.5 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A N/A 30.0
 
May 21, 2019, 7 p.m. 10.4 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
May 21, 2019, 6 p.m. 15.8 ppb (15) 4.3 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
May 21, 2019, 5 p.m. 9.0 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) N/A N/A 29.0
 
May 21, 2019, 4 p.m. 5.0 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 39.0 ppb (30) 0.13 ppb (1) N/A N/A 30.0
 
May 21, 2019, 3 p.m. 9.9 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
May 21, 2019, 2 p.m. 10.9 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) N/A N/A 24.0
 
May 21, 2019, 1 p.m. 6.5 ppb (6) -0.9 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A N/A 25.0
 
May 21, 2019, noon 3.7 ppb (3) -2.1 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) N/A N/A 28.0
 
May 21, 2019, 11 a.m. 0.9 ppb (1) -1.9 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
May 21, 2019, 10 a.m. 2.5 ppb (2) -2.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
May 21, 2019, 9 a.m. 8.4 ppb (8) -2.2 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
May 21, 2019, 8 a.m. 18.3 ppb (17) -2.1 ppb (0) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A N/A 19.0
 
May 21, 2019, 7 a.m. 10.7 ppb (10) -2.2 ppb (0) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A N/A 25.0
 
May 21, 2019, 6 a.m. 17.8 ppb (16) -1.6 ppb (0) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) N/A N/A 20.0
 
May 21, 2019, 5 a.m. 13.1 ppb (12) -0.6 ppb (0) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) N/A N/A 26.0
 
May 21, 2019, 4 a.m. 10.5 ppb (10) -1.5 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) N/A N/A 28.0
 
May 21, 2019, 3 a.m. 11.1 ppb (10) -0.8 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) N/A N/A 28.0
 
May 21, 2019, 2 a.m. 12.4 ppb (11) -0.1 ppb (0) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 37.0 ppb (28) 0.14 ppb (2) N/A N/A 28.0
 
May 21, 2019, 1 a.m. 7.2 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.13 ppb (1) N/A N/A 32.0
 
May 21, 2019, midnight 12.5 ppb (12) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (30) 0.15 ppb (2) N/A N/A 30.0
 
May 20, 2019, 11 p.m. 14.0 ppb (13) 3.5 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
May 20, 2019, 10 p.m. 13.5 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
May 20, 2019, 9 p.m. 9.5 ppb (9) 1.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
May 20, 2019, 8 p.m. 12.0 ppb (11) 2.3 ppb (2) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 43.0 ppb (33) 0.14 ppb (2) N/A N/A 33.0
 
May 20, 2019, 7 p.m. 9.5 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.13 ppb (1) N/A N/A 35.0
 
May 20, 2019, 6 p.m. 13.3 ppb (12) 2.7 ppb (3) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) N/A N/A 33.0
 
May 20, 2019, 5 p.m. 10.8 ppb (10) 2.2 ppb (2) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) N/A N/A 32.0
 
May 20, 2019, 4 p.m. 12.5 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) N/A N/A 31.0
 
May 20, 2019, 3 p.m. 17.1 ppb (16) 3.3 ppb (3) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 36.0 ppb (28) 0.16 ppb (2) N/A N/A 28.0
 
May 20, 2019, 2 p.m. 19.0 ppb (18) 3.2 ppb (3) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) N/A N/A 26.0
 
May 20, 2019, 1 p.m. 21.2 ppb (20) 4.8 ppb (4) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 33.0 ppb (25) 0.16 ppb (2) N/A N/A 25.0
 
May 20, 2019, noon 11.3 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 39.0 ppb (30) 0.14 ppb (2) N/A N/A 30.0
 
May 20, 2019, 11 a.m. 12.7 ppb (12) 1.6 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 40.0 ppb (31) 0.12 ppb (1) N/A N/A 31.0
 
May 20, 2019, 10 a.m. 2.7 ppb (3) -1.8 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 44.0 ppb (34) 0.11 ppb (1) N/A N/A 34.0
 
May 20, 2019, 9 a.m. 0.7 ppb (1) -2.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.11 ppb (1) N/A N/A 37.0
 
May 20, 2019, 8 a.m. 0.6 ppb (1) -2.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) N/A N/A 36.0
 
May 20, 2019, 7 a.m. 1.1 ppb (1) -2.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
May 20, 2019, 6 a.m. 2.1 ppb (2) -1.6 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) N/A N/A 34.0
 
May 20, 2019, 5 a.m. 10.0 ppb (9) 1.2 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) N/A N/A 31.0
 
May 20, 2019, 4 a.m. 17.8 ppb (16) 8.2 ppb (8) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) N/A N/A 31.0
 
May 20, 2019, 3 a.m. 4.3 ppb (4) -0.8 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.12 ppb (1) N/A N/A 30.0
 
May 20, 2019, 2 a.m. 2.7 ppb (3) -0.9 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A N/A 32.0
 
May 20, 2019, 1 a.m. 1.6 ppb (1) -1.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
May 20, 2019, midnight 1.5 ppb (1) -1.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
May 19, 2019, 11 p.m. 1.4 ppb (1) -1.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) N/A N/A 36.0
 
May 19, 2019, 10 p.m. 1.5 ppb (1) -1.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.12 ppb (1) N/A N/A 36.0
 
May 19, 2019, 9 p.m. 3.7 ppb (3) -0.9 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 43.0 ppb (33) 0.12 ppb (1) N/A N/A 33.0
 
May 19, 2019, 8 p.m. 2.5 ppb (2) -1.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
May 19, 2019, 7 p.m. 1.1 ppb (1) -1.6 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) N/A N/A 35.0
 
May 19, 2019, 6 p.m. 2.1 ppb (2) -1.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) N/A N/A 33.0
 
May 19, 2019, 5 p.m. 1.9 ppb (2) -1.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) N/A N/A 33.0
 
May 19, 2019, 4 p.m. 1.7 ppb (2) -1.7 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.15 ppb (2) N/A N/A 34.0
 
May 19, 2019, 3 p.m. 2.3 ppb (2) -1.7 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) N/A N/A 33.0
 
May 19, 2019, 2 p.m. 3.4 ppb (3) -1.7 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
May 19, 2019, 1 p.m. 4.9 ppb (5) -1.8 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) N/A N/A 28.0
 
May 19, 2019, noon 3.3 ppb (3) -2.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) N/A N/A 32.0
 
May 19, 2019, 11 a.m. 2.6 ppb (2) -2.2 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.12 ppb (1) N/A N/A 35.0
 
May 19, 2019, 10 a.m. 0.8 ppb (1) -2.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.12 ppb (1) N/A N/A 37.0
 
May 19, 2019, 9 a.m. 7.3 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) N/A N/A 34.0
 
May 19, 2019, 8 a.m. 0.4 ppb (0) -2.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.11 ppb (1) N/A N/A 35.0
 
May 19, 2019, 7 a.m. 1.4 ppb (1) -2.2 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A N/A 30.0
 
May 19, 2019, 6 a.m. 2.8 ppb (3) -2.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A N/A 28.0
 
May 19, 2019, 5 a.m. 3.2 ppb (3) -2.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A N/A 29.0
 
May 19, 2019, 4 a.m. 4.1 ppb (4) -2.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 41.0 ppb (32) 0.14 ppb (2) N/A N/A 32.0
 
May 19, 2019, 3 a.m. 1.6 ppb (1) -2.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.13 ppb (1) N/A N/A 33.0
 
May 19, 2019, 2 a.m. 1.1 ppb (1) -2.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.14 ppb (2) N/A N/A 37.0
 
May 19, 2019, 1 a.m. 1.7 ppb (2) -2.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 44.0 ppb (34) 0.14 ppb (2) N/A N/A 34.0
 
May 19, 2019, midnight 4.4 ppb (4) -1.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.15 ppb (2) N/A N/A 31.0
 
May 18, 2019, 11 p.m. 12.9 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 35.0 ppb (27) 0.13 ppb (1) N/A N/A 27.0
 
May 18, 2019, 10 p.m. 13.5 ppb (12) 1.3 ppb (1) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A N/A 27.0