AQSQID: 080077004

Site Name: 7004

Location: Archuleta Co, CO

Reporting: True, Located: True

Current AQI: 47.0

Archuleta Co CO, US: 37.205862, -107.254118

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 25, 2019, 9 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 61.0 ppb (47) N/A N/A N/A 47.0
 
May 25, 2019, 8 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 25, 2019, 7 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 25, 2019, 6 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 61.0 ppb (47) N/A N/A N/A 47.0
 
May 25, 2019, 5 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 58.0 ppb (45) N/A N/A N/A 45.0
 
May 25, 2019, 4 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 25, 2019, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 25, 2019, 2 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 37.0 ppb (28) N/A N/A N/A 28.0
 
May 25, 2019, 1 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A N/A 18.0
 
May 25, 2019, noon 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A N/A 10.0
 
May 25, 2019, 11 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A N/A 12.0
 
May 25, 2019, 10 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 25, 2019, 9 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 25, 2019, 8 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 25, 2019, 7 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A N/A 21.0
 
May 25, 2019, 5 a.m. 3.0 ppb (3) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A N/A 22.0
 
May 25, 2019, 4 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A N/A 22.0
 
May 25, 2019, 3 a.m. 3.5 ppb (3) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 25, 2019, 2 a.m. 7.2 ppb (7) 0.3 ppb (0) N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 25, 2019, 1 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 25, 2019, midnight 1.0 ppb (1) 0.1 ppb (0) N/A N/A N/A 2.0 ppb (3) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 24, 2019, 11 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 65.0 ppb (50) N/A N/A N/A 50.0
 
May 24, 2019, 10 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 63.0 ppb (48) N/A N/A N/A 48.0
 
May 24, 2019, 9 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A N/A N/A 2.0 ppb (3) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 24, 2019, 8 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 59.0 ppb (45) N/A N/A N/A 45.0
 
May 24, 2019, 7 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 24, 2019, 6 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 24, 2019, 5 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 55.0 ppb (42) N/A N/A N/A 42.0
 
May 24, 2019, 4 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 24, 2019, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 24, 2019, 2 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 24, 2019, 1 p.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A N/A 16.0
 
May 24, 2019, noon 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A N/A 8.0
 
May 24, 2019, 11 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A N/A 9.0
 
May 24, 2019, 10 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 24, 2019, 9 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 24, 2019, 8 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 24, 2019, 7 a.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A N/A 15.0
 
May 24, 2019, 6 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 24, 2019, 5 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A N/A 22.0
 
May 24, 2019, 4 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A N/A 22.0
 
May 24, 2019, 3 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 24, 2019, 2 a.m. 4.1 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 24, 2019, 1 a.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 24, 2019, midnight 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 23, 2019, 11 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 58.0 ppb (45) N/A N/A N/A 45.0
 
May 23, 2019, 10 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 55.0 ppb (42) N/A N/A N/A 42.0
 
May 23, 2019, 9 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 23, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 23, 2019, 7 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 23, 2019, 6 p.m. 1.1 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 47.0 ppb (36) N/A N/A N/A 36.0
 
May 23, 2019, 5 p.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 49.0 ppb (38) N/A N/A N/A 38.0
 
May 23, 2019, 4 p.m. 0.3 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 23, 2019, 3 p.m. 0.7 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A N/A 28.0
 
May 23, 2019, 2 p.m. 3.0 ppb (3) 1.4 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 19.0 ppb (15) N/A N/A N/A 15.0
 
May 23, 2019, 1 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A N/A 12.0
 
May 23, 2019, noon 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A N/A 11.0
 
May 23, 2019, 11 a.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A N/A 12.0
 
May 23, 2019, 10 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 23, 2019, 9 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 23, 2019, 8 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 23, 2019, 7 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A N/A 18.0
 
May 23, 2019, 6 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 23, 2019, 5 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A N/A 12.0
 
May 23, 2019, 4 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A N/A 14.0
 
May 23, 2019, 3 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A N/A 18.0
 
May 23, 2019, 2 a.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 23, 2019, 1 a.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 23, 2019, midnight 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 22, 2019, 11 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 22, 2019, 10 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 58.0 ppb (45) N/A N/A N/A 45.0
 
May 22, 2019, 9 p.m. 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 59.0 ppb (45) N/A N/A N/A 45.0
 
May 22, 2019, 8 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 58.0 ppb (45) N/A N/A N/A 45.0
 
May 22, 2019, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 58.0 ppb (45) N/A N/A N/A 45.0
 
May 22, 2019, 6 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 22, 2019, 5 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 22, 2019, 4 p.m. 1.3 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 22, 2019, 3 p.m. 1.5 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 49.0 ppb (38) N/A N/A N/A 38.0
 
May 22, 2019, 2 p.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A N/A 28.0
 
May 22, 2019, 1 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A N/A 25.0
 
May 22, 2019, noon 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 22, 2019, 11 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A N/A 27.0
 
May 22, 2019, 10 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 22, 2019, 9 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 22, 2019, 8 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 22, 2019, 7 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 22, 2019, 6 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 22, 2019, 5 a.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 46.0 ppb (35) N/A N/A N/A 35.0
 
May 22, 2019, 4 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 22, 2019, 3 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 22, 2019, 2 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) N/A N/A N/A 35.0
 
May 22, 2019, 1 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 22, 2019, midnight 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 51.0 ppb (39) N/A N/A N/A 39.0
 
May 21, 2019, 11 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 51.0 ppb (39) N/A N/A N/A 39.0
 
May 21, 2019, 10 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 21, 2019, 9 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 21, 2019, 8 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 21, 2019, 7 p.m. 0.8 ppb (1) 0.3 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 21, 2019, 6 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 21, 2019, 5 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 21, 2019, 4 p.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 21, 2019, 3 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 21, 2019, 2 p.m. 1.1 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 21, 2019, 1 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A N/A 35.0
 
May 21, 2019, noon 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 21, 2019, 11 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A N/A 32.0
 
May 21, 2019, 10 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 21, 2019, 9 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 21, 2019, 8 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 21, 2019, 7 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A N/A N/A 36.0
 
May 21, 2019, 6 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 21, 2019, 5 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A N/A 38.0
 
May 21, 2019, 4 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 47.0 ppb (36) N/A N/A N/A 36.0
 
May 21, 2019, 3 a.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 21, 2019, 2 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 21, 2019, 1 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 21, 2019, midnight 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 20, 2019, 11 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 55.0 ppb (42) N/A N/A N/A 42.0
 
May 20, 2019, 10 p.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 20, 2019, 9 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 61.0 ppb (47) N/A N/A N/A 47.0
 
May 20, 2019, 8 p.m. 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 59.0 ppb (45) N/A N/A N/A 45.0
 
May 20, 2019, 7 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 55.0 ppb (42) N/A N/A N/A 42.0
 
May 20, 2019, 6 p.m. 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 53.0 ppb (41) N/A N/A N/A 41.0
 
May 20, 2019, 5 p.m. 2.9 ppb (3) 1.5 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 55.0 ppb (42) N/A N/A N/A 42.0
 
May 20, 2019, 4 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 52.0 ppb (40) N/A N/A N/A 40.0
 
May 20, 2019, 3 p.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 51.0 ppb (39) N/A N/A N/A 39.0
 
May 20, 2019, 2 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A N/A 37.0
 
May 20, 2019, 1 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 50.0 ppb (38) N/A N/A N/A 38.0
 
May 20, 2019, noon 0.6 ppb (1) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A N/A 38.0
 
May 20, 2019, 11 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A N/A 22.0
 
May 20, 2019, 10 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 20, 2019, 9 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 20, 2019, 8 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 20, 2019, 7 a.m. 1.9 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 20, 2019, 6 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 20, 2019, 5 a.m. 1.7 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 56.0 ppb (43) N/A N/A N/A 43.0
 
May 20, 2019, 4 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 54.0 ppb (42) N/A N/A N/A 42.0
 
May 20, 2019, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 51.0 ppb (39) N/A N/A N/A 39.0
 
May 20, 2019, 2 a.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 62.0 ppb (48) N/A N/A N/A 48.0
 
May 20, 2019, 1 a.m. 0.7 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 64.0 ppb (49) N/A N/A N/A 49.0
 
May 20, 2019, midnight 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 65.0 ppb (50) N/A N/A N/A 50.0
 
May 19, 2019, 11 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 63.0 ppb (48) N/A N/A N/A 48.0
 
May 19, 2019, 10 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 61.0 ppb (47) N/A N/A N/A 47.0
 
May 19, 2019, 9 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 65.0 ppb (50) N/A N/A N/A 50.0
 
May 19, 2019, 8 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 63.0 ppb (48) N/A N/A N/A 48.0
 
May 19, 2019, 7 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 61.0 ppb (47) N/A N/A N/A 47.0
 
May 19, 2019, 6 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 59.0 ppb (45) N/A N/A N/A 45.0
 
May 19, 2019, 5 p.m. 0.7 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 59.0 ppb (45) N/A N/A N/A 45.0
 
May 19, 2019, 4 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A N/A 28.0
 
May 19, 2019, 3 p.m. 1.4 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A N/A 26.0
 
May 19, 2019, 2 p.m. 0.9 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A N/A 22.0
 
May 19, 2019, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A N/A 15.0
 
May 19, 2019, noon 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A N/A 10.0
 
May 19, 2019, 11 a.m. 1.2 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A N/A 10.0
 
May 19, 2019, 10 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, 9 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, 8 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, 7 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A N/A 14.0
 
May 19, 2019, 6 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, 5 a.m. 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A N/A 14.0
 
May 19, 2019, 4 a.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A N/A 17.0
 
May 19, 2019, 3 a.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A N/A 18.0
 
May 19, 2019, 2 a.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A N/A 25.0
 
May 19, 2019, 1 a.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A N/A 32.0
 
May 19, 2019, midnight 0.4 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A N/A 34.0
 
May 18, 2019, 11 p.m. 0.5 ppb (0) 0.2 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 47.0 ppb (36) N/A N/A N/A 36.0
 
May 18, 2019, 10 p.m. 0.5 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A N/A 38.0
 
May 18, 2019, 9 p.m. 0.6 ppb (1) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A N/A 38.0