AQSQID: 080677001

Site Name: Ute 1

Location: Durango, CO

Reporting: True, Located: True

Current AQI: 8.0

Durango CO, US: 37.13678, -107.62863

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 19, 2019, 4 a.m. 8.7 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A N/A 8.0
 
Jan. 19, 2019, 3 a.m. 7.8 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A N/A 7.0
 
Jan. 19, 2019, 2 a.m. 7.0 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.14 ppb (2) N/A N/A 6.0
 
Jan. 19, 2019, 1 a.m. 5.2 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.12 ppb (1) N/A N/A 5.0
 
Jan. 19, 2019, midnight 3.0 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.11 ppb (1) N/A N/A 3.0
 
Jan. 18, 2019, 11 p.m. 4.9 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.11 ppb (1) N/A N/A 5.0
 
Jan. 18, 2019, 10 p.m. 3.5 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.11 ppb (1) N/A N/A 3.0
 
Jan. 18, 2019, 9 p.m. 2.4 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (1) N/A N/A 2.0
 
Jan. 18, 2019, 8 p.m. 2.4 ppb (2) 1.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (1) N/A N/A 2.0
 
Jan. 18, 2019, 7 p.m. 2.1 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (1) N/A N/A 2.0
 
Jan. 18, 2019, 6 p.m. 2.8 ppb (3) 1.3 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (1) N/A N/A 3.0
 
Jan. 18, 2019, 5 p.m. 3.9 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.11 ppb (1) N/A N/A 4.0
 
Jan. 18, 2019, 4 p.m. 5.7 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.12 ppb (1) N/A N/A 5.0
 
Jan. 18, 2019, 3 p.m. 8.4 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A N/A 8.0
 
Jan. 18, 2019, 2 p.m. 4.4 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 18, 2019, 1 p.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 18, 2019, noon 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.1 ppb (1) N/A N/A 2.0
 
Jan. 18, 2019, 11 a.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.12 ppb (1) N/A N/A 5.0
 
Jan. 18, 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
Jan. 18, 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
Jan. 18, 2019, 8 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A N/A 6.0
 
Jan. 18, 2019, 7 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.14 ppb (2) N/A N/A 5.0
 
Jan. 18, 2019, 5 a.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.12 ppb (1) N/A N/A 4.0
 
Jan. 18, 2019, 4 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 18, 2019, 3 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (1) N/A N/A 3.0
 
Jan. 18, 2019, 2 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (1) N/A N/A 3.0
 
Jan. 18, 2019, 1 a.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.13 ppb (1) N/A N/A 5.0
 
Jan. 18, 2019, midnight 12.1 ppb (11) 1.7 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.16 ppb (2) N/A N/A 11.0
 
Jan. 17, 2019, 11 p.m. 23.3 ppb (22) 6.0 ppb (6) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A N/A 22.0
 
Jan. 17, 2019, 10 p.m. 12.6 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.15 ppb (2) N/A N/A 12.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 17, 2019, 8 p.m. 12.8 ppb (12) 5.0 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.15 ppb (2) N/A N/A 12.0
 
Jan. 17, 2019, 7 p.m. 15.8 ppb (15) 7.5 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.17 ppb (2) N/A N/A 15.0
 
Jan. 17, 2019, 6 p.m. 17.8 ppb (16) 9.0 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.19 ppb (2) N/A N/A 16.0
 
Jan. 17, 2019, 5 p.m. 11.7 ppb (11) 5.8 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A N/A 11.0
 
Jan. 17, 2019, 4 p.m. 11.3 ppb (10) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 10.0
 
Jan. 17, 2019, 3 p.m. 16.7 ppb (15) 6.5 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A N/A 15.0
 
Jan. 17, 2019, 2 p.m. 23.8 ppb (22) 11.3 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.18 ppb (2) N/A N/A 22.0
 
Jan. 17, 2019, 1 p.m. 7.5 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A N/A 7.0
 
Jan. 17, 2019, noon 8.3 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 8.0
 
Jan. 17, 2019, 11 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.13 ppb (1) N/A N/A 5.0
 
Jan. 17, 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
Jan. 17, 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
Jan. 17, 2019, 8 a.m. 5.8 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.14 ppb (2) N/A N/A 5.0
 
Jan. 17, 2019, 7 a.m. 3.8 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.14 ppb (2) N/A N/A 4.0
 
Jan. 16, 2019, 10 p.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.1 ppb (1) N/A N/A 2.0
 
Jan. 16, 2019, 9 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.1 ppb (1) N/A N/A 2.0
 
Jan. 16, 2019, 8 p.m. 2.2 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.1 ppb (1) N/A N/A 2.0
 
Jan. 16, 2019, 7 p.m. 3.1 ppb (3) 1.5 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.09 ppb (1) N/A N/A 3.0
 
Jan. 16, 2019, 6 p.m. 4.8 ppb (4) 2.3 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 16, 2019, 5 p.m. 8.5 ppb (8) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (1) N/A N/A 8.0
 
Jan. 16, 2019, 4 p.m. 12.0 ppb (11) 5.3 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A N/A 11.0
 
Jan. 16, 2019, 3 p.m. 12.6 ppb (12) 4.4 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.13 ppb (1) N/A N/A 12.0
 
Jan. 16, 2019, 2 p.m. 12.6 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.12 ppb (1) N/A N/A 12.0
 
Jan. 16, 2019, 1 p.m. 9.8 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.12 ppb (1) N/A N/A 9.0
 
Jan. 16, 2019, noon 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.11 ppb (1) N/A N/A 8.0
 
Jan. 16, 2019, 11 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.11 ppb (1) N/A N/A 8.0
 
Jan. 16, 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
Jan. 16, 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
Jan. 16, 2019, 8 a.m. 8.4 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.11 ppb (1) N/A N/A 8.0
 
Jan. 16, 2019, 7 a.m. 10.6 ppb (10) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.11 ppb (1) N/A N/A 10.0
 
Jan. 16, 2019, 5 a.m. 9.9 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.14 ppb (2) N/A N/A 9.0
 
Jan. 16, 2019, 4 a.m. 12.1 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.17 ppb (2) N/A N/A 11.0
 
Jan. 16, 2019, 3 a.m. 14.6 ppb (14) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A 0.19 ppb (2) N/A N/A 14.0
 
Jan. 16, 2019, 2 a.m. 17.6 ppb (16) 0.6 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A 0.19 ppb (2) N/A N/A 16.0
 
Jan. 16, 2019, 1 a.m. 26.7 ppb (25) 1.7 ppb (2) N/A 25.0 ppb (23) N/A N/A N/A 0.25 ppb (3) N/A N/A 25.0
 
Jan. 16, 2019, midnight 35.4 ppb (33) 5.7 ppb (5) N/A 30.0 ppb (28) N/A N/A N/A 0.28 ppb (3) N/A N/A 33.0
 
Jan. 15, 2019, 11 p.m. 33.1 ppb (31) 8.1 ppb (8) N/A 25.0 ppb (23) N/A N/A N/A 0.24 ppb (3) N/A N/A 31.0
 
Jan. 15, 2019, 10 p.m. 24.9 ppb (23) 7.7 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A N/A 23.0
 
Jan. 15, 2019, 9 p.m. 21.5 ppb (20) 8.6 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.18 ppb (2) N/A N/A 20.0
 
Jan. 15, 2019, 8 p.m. 22.2 ppb (21) 10.2 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.17 ppb (2) N/A N/A 21.0
 
Jan. 15, 2019, 7 p.m. 19.9 ppb (18) 8.4 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.17 ppb (2) N/A N/A 18.0
 
Jan. 15, 2019, 6 p.m. 25.2 ppb (23) 11.4 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A N/A 23.0
 
Jan. 15, 2019, 5 p.m. 27.4 ppb (25) 12.6 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 4 p.m. 22.9 ppb (21) 9.6 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.22 ppb (2) N/A N/A 21.0
 
Jan. 15, 2019, 3 p.m. 17.9 ppb (17) 6.7 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A N/A 17.0
 
Jan. 15, 2019, 2 p.m. 25.4 ppb (24) 7.7 ppb (7) N/A 18.0 ppb (17) N/A N/A N/A 0.25 ppb (3) N/A N/A 24.0
 
Jan. 15, 2019, 1 p.m. 14.3 ppb (13) 2.7 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.16 ppb (2) N/A N/A 13.0
 
Jan. 15, 2019, noon 10.5 ppb (10) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.16 ppb (2) N/A N/A 10.0
 
Jan. 15, 2019, 11 a.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A N/A 6.0
 
Jan. 15, 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
Jan. 15, 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
Jan. 15, 2019, 8 a.m. 9.6 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.17 ppb (2) N/A N/A 9.0
 
Jan. 15, 2019, 7 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (1) N/A N/A 6.0
 
Jan. 15, 2019, 5 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (1) N/A N/A 6.0
 
Jan. 15, 2019, 4 a.m. 4.3 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.13 ppb (1) N/A N/A 4.0
 
Jan. 15, 2019, 3 a.m. 8.3 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.15 ppb (2) N/A N/A 8.0
 
Jan. 15, 2019, 2 a.m. 15.4 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.18 ppb (2) N/A N/A 14.0
 
Jan. 15, 2019, 1 a.m. 18.4 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A 0.18 ppb (2) N/A N/A 17.0
 
Jan. 15, 2019, midnight 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A N/A 0.14 ppb (2) N/A N/A 12.0
 
Jan. 14, 2019, 11 p.m. 20.3 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A 0.22 ppb (2) N/A N/A 19.0
 
Jan. 14, 2019, 10 p.m. 15.3 ppb (14) 5.8 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.13 ppb (1) N/A N/A 14.0
 
Jan. 14, 2019, 9 p.m. 19.7 ppb (18) 8.3 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.14 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 8 p.m. 19.1 ppb (18) 8.5 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.17 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 7 p.m. 18.3 ppb (17) 9.6 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.16 ppb (2) N/A N/A 17.0
 
Jan. 14, 2019, 6 p.m. 19.7 ppb (18) 10.6 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.13 ppb (1) N/A N/A 18.0
 
Jan. 14, 2019, 5 p.m. 22.5 ppb (21) 12.4 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.16 ppb (2) N/A N/A 21.0
 
Jan. 14, 2019, 4 p.m. 32.2 ppb (30) 17.3 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 30.0
 
Jan. 14, 2019, 3 p.m. 48.9 ppb (45) 27.4 ppb (25) N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) N/A N/A 45.0
 
Jan. 14, 2019, 2 p.m. 46.2 ppb (43) 26.7 ppb (25) N/A 20.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A N/A 43.0
 
Jan. 14, 2019, 1 p.m. 19.6 ppb (18) 9.0 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.14 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, noon 10.1 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 9.0
 
Jan. 14, 2019, 11 a.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 14, 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
Jan. 14, 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
Jan. 14, 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
Jan. 14, 2019, 7 a.m. 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.11 ppb (1) N/A N/A 4.0
 
Jan. 14, 2019, 5 a.m. 3.8 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A N/A 4.0
 
Jan. 14, 2019, 4 a.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.14 ppb (2) N/A N/A 5.0
 
Jan. 14, 2019, 3 a.m. 7.9 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A N/A 7.0
 
Jan. 14, 2019, 2 a.m. 6.7 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 14, 2019, 1 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 4.0
 
Jan. 14, 2019, midnight 4.1 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A N/A 4.0
 
Jan. 13, 2019, 11 p.m. 4.4 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 4.0
 
Jan. 13, 2019, 10 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.08 ppb (1) N/A N/A 3.0
 
Jan. 13, 2019, 9 p.m. 2.2 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.08 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 8 p.m. 2.4 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.09 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 7 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.08 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 6 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.07 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 5 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.08 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 4 p.m. 4.1 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 4.0
 
Jan. 13, 2019, 3 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 3.0
 
Jan. 13, 2019, 2 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.08 ppb (1) N/A N/A 2.0
 
Jan. 13, 2019, 1 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.1 ppb (1) N/A N/A 3.0
 
Jan. 13, 2019, noon 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 13, 2019, 11 a.m. 2.4 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.08 ppb (1) N/A N/A 2.0
 
Jan. 13, 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
Jan. 13, 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
Jan. 13, 2019, 8 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.1 ppb (1) N/A N/A 3.0
 
Jan. 13, 2019, 7 a.m. 6.5 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 13, 2019, 5 a.m. 5.8 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.11 ppb (1) N/A N/A 5.0
 
Jan. 13, 2019, 4 a.m. 6.8 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A N/A 6.0
 
Jan. 13, 2019, 3 a.m. 6.5 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.14 ppb (2) N/A N/A 6.0
 
Jan. 13, 2019, 2 a.m. 8.6 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A N/A 8.0
 
Jan. 13, 2019, 1 a.m. 9.6 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.14 ppb (2) N/A N/A 9.0
 
Jan. 13, 2019, midnight 11.1 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.14 ppb (2) N/A N/A 10.0
 
Jan. 12, 2019, 11 p.m. 13.3 ppb (12) 3.7 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.12 ppb (1) N/A N/A 12.0
 
Jan. 12, 2019, 10 p.m. 14.1 ppb (13) 5.4 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A N/A 13.0
 
Jan. 12, 2019, 9 p.m. 6.7 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.08 ppb (1) N/A N/A 6.0
 
Jan. 12, 2019, 8 p.m. 5.6 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.09 ppb (1) N/A N/A 5.0
 
Jan. 12, 2019, 7 p.m. 5.5 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 5.0
 
Jan. 12, 2019, 6 p.m. 4.4 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 4.0
 
Jan. 12, 2019, 5 p.m. 5.8 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.09 ppb (1) N/A N/A 5.0
 
Jan. 12, 2019, 4 p.m. 7.1 ppb (7) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.1 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 3 p.m. 6.6 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 12, 2019, 2 p.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 1 p.m. 9.9 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.12 ppb (1) N/A N/A 9.0
 
Jan. 12, 2019, noon 7.4 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.12 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 11 a.m. 6.9 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.13 ppb (1) N/A N/A 6.0
 
Jan. 12, 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
Jan. 12, 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
Jan. 12, 2019, 8 a.m. 6.9 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 12, 2019, 7 a.m. 8.8 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.13 ppb (1) N/A N/A 8.0
 
Jan. 12, 2019, 5 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 4 a.m. 7.2 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 3 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.11 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, 2 a.m. 6.4 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
Jan. 12, 2019, 1 a.m. 7.5 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 7.0
 
Jan. 12, 2019, midnight 9.7 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.12 ppb (1) N/A N/A 9.0
 
Jan. 11, 2019, 11 p.m. 15.2 ppb (14) 3.4 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.13 ppb (1) N/A N/A 14.0
 
Jan. 11, 2019, 10 p.m. 12.9 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.14 ppb (2) N/A N/A 12.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 11, 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
Jan. 11, 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
Jan. 11, 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
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 11, 2019, 4 p.m. 43.7 ppb (40) 12.5 ppb (12) N/A 31.0 ppb (29) N/A N/A 4.0 ppb (3) 0.34 ppb (4) N/A N/A 40.0
 
Jan. 11, 2019, 3 p.m. 41.2 ppb (38) 8.7 ppb (8) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.34 ppb (4) N/A N/A 38.0