AQSQID: 060131002

Site Name: Bethel Island

Location: Contra Costa Co, CA

Reporting: False, Located: True

Current AQI: None

Contra Costa Co CA, US: 38.006311, -121.641918

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 19, 2019, 7 p.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (36) 0.36 ppb (4) N/A N/A 36.0
 
May 19, 2019, 6 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (35) 0.37 ppb (4) N/A N/A 35.0
 
May 19, 2019, 5 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.37 ppb (4) N/A N/A 34.0
 
May 19, 2019, 4 p.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.38 ppb (4) N/A N/A 29.0
 
May 19, 2019, 3 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.38 ppb (4) N/A N/A 33.0
 
May 19, 2019, 2 p.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.36 ppb (4) N/A N/A 26.0
 
May 19, 2019, 1 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (25) 0.38 ppb (4) N/A N/A 25.0
 
May 19, 2019, noon 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) 0.37 ppb (4) N/A N/A 24.0
 
May 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 19, 2019, 10 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.38 ppb (4) N/A N/A 18.0
 
May 19, 2019, 9 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.4 ppb (4) N/A N/A 16.0
 
May 19, 2019, 8 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.41 ppb (5) N/A N/A 16.0
 
May 19, 2019, 7 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.38 ppb (4) N/A N/A 20.0
 
May 19, 2019, 6 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) N/A N/A 19.0
 
May 19, 2019, 5 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.4 ppb (4) N/A N/A 22.0
 
May 19, 2019, 4 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A N/A 22.0
 
May 19, 2019, 3 a.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A N/A 22.0
 
May 19, 2019, 2 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.4 ppb (4) N/A N/A 24.0
 
May 19, 2019, 1 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.39 ppb (4) N/A N/A 27.0
 
May 19, 2019, midnight 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.39 ppb (4) N/A N/A 27.0
 
May 18, 2019, 11 p.m. 4.0 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.41 ppb (5) N/A N/A 23.0
 
May 18, 2019, 10 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.4 ppb (4) N/A N/A 23.0
 
May 18, 2019, 9 p.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.45 ppb (5) N/A N/A 24.0
 
May 18, 2019, 8 p.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 29.0 ppb (22) 0.4 ppb (4) N/A N/A 22.0
 
May 18, 2019, 7 p.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.38 ppb (4) N/A N/A 25.0
 
May 18, 2019, 6 p.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 18, 2019, 5 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 18, 2019, 4 p.m. 4.6 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.39 ppb (4) N/A N/A 24.0
 
May 18, 2019, 3 p.m. 4.7 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.38 ppb (4) N/A N/A 21.0
 
May 18, 2019, 2 p.m. 5.3 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.37 ppb (4) N/A N/A 17.0
 
May 18, 2019, 1 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.37 ppb (4) N/A N/A 15.0
 
May 18, 2019, noon 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) 0.35 ppb (4) N/A N/A 18.0
 
May 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 18, 2019, 10 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.35 ppb (4) N/A N/A 18.0
 
May 18, 2019, 9 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.34 ppb (4) N/A N/A 20.0
 
May 18, 2019, 8 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.35 ppb (4) N/A N/A 25.0
 
May 18, 2019, 7 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 18, 2019, 6 a.m. 2.8 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 18, 2019, 5 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.35 ppb (4) N/A N/A 25.0
 
May 18, 2019, 4 a.m. 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.37 ppb (4) N/A N/A 25.0
 
May 18, 2019, 3 a.m. 5.2 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (26) 0.35 ppb (4) N/A N/A 26.0
 
May 18, 2019, 2 a.m. 5.3 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 18, 2019, 1 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.33 ppb (4) N/A N/A 32.0
 
May 18, 2019, midnight 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.33 ppb (4) N/A N/A 33.0
 
May 17, 2019, 11 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) 0.33 ppb (4) N/A N/A 34.0
 
May 17, 2019, 10 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) 0.32 ppb (4) N/A N/A 34.0
 
May 17, 2019, 9 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) 0.34 ppb (4) N/A N/A 34.0
 
May 17, 2019, 8 p.m. 1.6 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) 0.34 ppb (4) N/A N/A 33.0
 
May 17, 2019, 7 p.m. 2.3 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.33 ppb (4) N/A N/A 32.0
 
May 17, 2019, 6 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.35 ppb (4) N/A N/A 32.0
 
May 17, 2019, 5 p.m. 2.0 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.34 ppb (4) N/A N/A 31.0
 
May 17, 2019, 4 p.m. 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.36 ppb (4) N/A N/A 30.0
 
May 17, 2019, 3 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.35 ppb (4) N/A N/A 29.0
 
May 17, 2019, 2 p.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
May 17, 2019, 1 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
May 17, 2019, noon 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.35 ppb (4) N/A N/A 27.0
 
May 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 17, 2019, 10 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
May 17, 2019, 9 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.34 ppb (4) N/A N/A 29.0
 
May 17, 2019, 8 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.34 ppb (4) N/A N/A 29.0
 
May 17, 2019, 7 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.34 ppb (4) N/A N/A 29.0
 
May 17, 2019, 6 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.34 ppb (4) N/A N/A 28.0
 
May 17, 2019, 5 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 17, 2019, 4 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 17, 2019, 3 a.m. 4.5 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 17, 2019, 2 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.34 ppb (4) N/A N/A 29.0
 
May 17, 2019, 1 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.35 ppb (4) N/A N/A 29.0
 
May 17, 2019, midnight 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.34 ppb (4) N/A N/A 30.0
 
May 16, 2019, 11 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.34 ppb (4) N/A N/A 32.0
 
May 16, 2019, 10 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (33) 0.34 ppb (4) N/A N/A 33.0
 
May 16, 2019, 9 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.36 ppb (4) N/A N/A 31.0
 
May 16, 2019, 8 p.m. 3.1 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.35 ppb (4) N/A N/A 30.0
 
May 16, 2019, 7 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.36 ppb (4) N/A N/A 32.0
 
May 16, 2019, 6 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.36 ppb (4) N/A N/A 32.0
 
May 16, 2019, 5 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (32) 0.36 ppb (4) N/A N/A 32.0
 
May 16, 2019, 4 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.37 ppb (4) N/A N/A 31.0
 
May 16, 2019, 3 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.36 ppb (4) N/A N/A 31.0
 
May 16, 2019, 2 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.38 ppb (4) N/A N/A 27.0
 
May 16, 2019, 1 p.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.37 ppb (4) N/A N/A 28.0
 
May 16, 2019, noon 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.35 ppb (4) N/A N/A 30.0
 
May 16, 2019, 11 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.34 ppb (4) N/A N/A 30.0
 
May 16, 2019, 9 a.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.35 ppb (4) N/A N/A 31.0
 
May 16, 2019, 8 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.36 ppb (4) N/A N/A 29.0
 
May 16, 2019, 7 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.36 ppb (4) N/A N/A 27.0
 
May 16, 2019, 6 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.36 ppb (4) N/A N/A 16.0
 
May 16, 2019, 5 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.38 ppb (4) N/A N/A 15.0
 
May 16, 2019, 4 a.m. 5.4 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (12) 0.39 ppb (4) N/A N/A 12.0
 
May 16, 2019, 3 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.4 ppb (4) N/A N/A 15.0
 
May 16, 2019, 2 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.39 ppb (4) N/A N/A 18.0
 
May 16, 2019, 1 a.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.38 ppb (4) N/A N/A 18.0
 
May 16, 2019, midnight 9.9 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.39 ppb (4) N/A N/A 18.0
 
May 15, 2019, 11 p.m. 4.0 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.39 ppb (4) N/A N/A 23.0
 
May 15, 2019, 10 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 15, 2019, 9 p.m. 3.5 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.38 ppb (4) N/A N/A 22.0
 
May 15, 2019, 8 p.m. 5.7 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.4 ppb (4) N/A N/A 19.0
 
May 15, 2019, 7 p.m. 7.5 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.4 ppb (4) N/A N/A 14.0
 
May 15, 2019, 6 p.m. 8.4 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 16.0 ppb (12) 0.4 ppb (4) N/A N/A 12.0
 
May 15, 2019, 5 p.m. 8.1 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A N/A 13.0
 
May 15, 2019, 4 p.m. 6.4 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.38 ppb (4) N/A N/A 14.0
 
May 15, 2019, 3 p.m. 4.7 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.38 ppb (4) N/A N/A 14.0
 
May 15, 2019, 2 p.m. 6.6 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.4 ppb (4) N/A N/A 13.0
 
May 15, 2019, 1 p.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.38 ppb (4) N/A N/A 15.0
 
May 15, 2019, noon 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (19) 0.35 ppb (4) N/A N/A 19.0
 
May 15, 2019, 10 a.m. 4.1 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A N/A 21.0
 
May 15, 2019, 9 a.m. 10.3 ppb (10) 4.5 ppb (4) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.35 ppb (4) N/A N/A 18.0
 
May 15, 2019, 8 a.m. 4.8 ppb (4) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.34 ppb (4) N/A N/A 21.0
 
May 15, 2019, 7 a.m. 3.4 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A N/A 22.0
 
May 15, 2019, 6 a.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A N/A 22.0
 
May 15, 2019, 5 a.m. 6.7 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.34 ppb (4) N/A N/A 22.0
 
May 15, 2019, 4 a.m. 4.0 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.37 ppb (4) N/A N/A 21.0
 
May 15, 2019, 3 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.36 ppb (4) N/A N/A 21.0
 
May 15, 2019, 2 a.m. 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) 0.37 ppb (4) N/A N/A 23.0
 
May 15, 2019, 1 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) 0.35 ppb (4) N/A N/A 24.0
 
May 15, 2019, midnight 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) 0.35 ppb (4) N/A N/A 25.0
 
May 14, 2019, 11 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 14, 2019, 10 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) 0.35 ppb (4) N/A N/A 27.0
 
May 14, 2019, 9 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.34 ppb (4) N/A N/A 27.0
 
May 14, 2019, 8 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 14, 2019, 7 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 14, 2019, 6 p.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 14, 2019, 5 p.m. 3.4 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.35 ppb (4) N/A N/A 26.0
 
May 14, 2019, 4 p.m. 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.35 ppb (4) N/A N/A 26.0
 
May 14, 2019, 3 p.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.36 ppb (4) N/A N/A 24.0
 
May 14, 2019, 2 p.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 31.0 ppb (24) 0.35 ppb (4) N/A N/A 24.0
 
May 14, 2019, 1 p.m. 2.8 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.35 ppb (4) N/A N/A 23.0
 
May 14, 2019, noon 3.2 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) 0.35 ppb (4) N/A N/A 22.0
 
May 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 14, 2019, 10 a.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.34 ppb (4) N/A N/A 22.0
 
May 14, 2019, 9 a.m. 2.6 ppb (2) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.35 ppb (4) N/A N/A 21.0
 
May 14, 2019, 8 a.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.39 ppb (4) N/A N/A 20.0
 
May 14, 2019, 7 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.35 ppb (4) N/A N/A 20.0
 
May 14, 2019, 6 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A N/A 19.0
 
May 14, 2019, 5 a.m. 4.8 ppb (4) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.37 ppb (4) N/A N/A 18.0
 
May 14, 2019, 4 a.m. 4.1 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.38 ppb (4) N/A N/A 21.0
 
May 14, 2019, 3 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) 0.38 ppb (4) N/A N/A 22.0
 
May 14, 2019, 2 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 30.0 ppb (23) 0.36 ppb (4) N/A N/A 23.0
 
May 14, 2019, 1 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 14, 2019, midnight 2.6 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) 0.35 ppb (4) N/A N/A 28.0
 
May 13, 2019, 11 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.34 ppb (4) N/A N/A 31.0
 
May 13, 2019, 10 p.m. 2.5 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.34 ppb (4) N/A N/A 32.0
 
May 13, 2019, 9 p.m. 4.4 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.34 ppb (4) N/A N/A 31.0
 
May 13, 2019, 8 p.m. 3.9 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) 0.36 ppb (4) N/A N/A 27.0
 
May 13, 2019, 7 p.m. 4.4 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) 0.36 ppb (4) N/A N/A 25.0
 
May 13, 2019, 6 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.36 ppb (4) N/A N/A 22.0
 
May 13, 2019, 5 p.m. 7.5 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 27.0 ppb (21) 0.36 ppb (4) N/A N/A 21.0
 
May 13, 2019, 4 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.36 ppb (4) N/A N/A 22.0
 
May 13, 2019, 3 p.m. 3.9 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.35 ppb (4) N/A N/A 20.0
 
May 13, 2019, 2 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.35 ppb (4) N/A N/A 15.0
 
May 13, 2019, 1 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 17.0 ppb (13) 0.36 ppb (4) N/A N/A 13.0
 
May 13, 2019, noon 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (12) 0.34 ppb (4) N/A N/A 12.0
 
May 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
May 13, 2019, 10 a.m. 2.2 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.32 ppb (4) N/A N/A 18.0
 
May 13, 2019, 9 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) N/A N/A 23.0
 
May 13, 2019, 8 a.m. 4.2 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.3 ppb (3) N/A N/A 24.0
 
May 13, 2019, 7 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) N/A N/A 25.0
 
May 13, 2019, 6 a.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.32 ppb (4) N/A N/A 27.0
 
May 13, 2019, 5 a.m. 6.0 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.32 ppb (4) N/A N/A 27.0
 
May 13, 2019, 4 a.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.31 ppb (3) N/A N/A 28.0
 
May 13, 2019, 3 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (31) 0.31 ppb (3) N/A N/A 31.0
 
May 13, 2019, 2 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.32 ppb (4) N/A N/A 30.0
 
May 13, 2019, 1 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (30) 0.34 ppb (4) N/A N/A 30.0
 
May 13, 2019, midnight 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.35 ppb (4) N/A N/A 32.0
 
May 12, 2019, 11 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.35 ppb (4) N/A N/A 32.0
 
May 12, 2019, 10 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) 0.36 ppb (4) N/A N/A 29.0
 
May 12, 2019, 9 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.37 ppb (4) N/A N/A 31.0
 
May 12, 2019, 8 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.38 ppb (4) N/A N/A 32.0
 
May 12, 2019, 7 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.38 ppb (4) N/A N/A 31.0
 
May 12, 2019, 6 p.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) 0.36 ppb (4) N/A N/A 28.0