AQSQID: 240053001

Site Name: Essex

Location: Baltimore Co, MD

Reporting: True, Located: True

Current AQI: 15.0

Baltimore Co MD, US: 39.310833, -76.474444

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2019, 2 p.m. N/A 0.9 ppb (1) 4.8 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 20, 2019, 1 p.m. N/A 2.3 ppb (2) 16.5 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 14.0 ppb (11) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 20, 2019, noon N/A 1.5 ppb (1) 16.8 ppb (16) 16.0 ppb (15) N/A 1.0 ppb (1) 12.0 ppb (9) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 20, 2019, 11 a.m. N/A 0.5 ppb (0) 12.4 ppb (11) 13.0 ppb (12) N/A 1.0 ppb (1) 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Jan. 20, 2019, 10 a.m. N/A 0.2 ppb (0) 6.4 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
Jan. 20, 2019, 9 a.m. N/A 0.2 ppb (0) 4.2 ppb (4) 4.0 ppb (4) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
Jan. 20, 2019, 8 a.m. N/A 0.2 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 20, 2019, 5 a.m. N/A 0.2 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 20, 2019, 4 a.m. N/A 0.2 ppb (0) 5.7 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 20, 2019, 3 a.m. N/A 0.3 ppb (0) 6.4 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 20, 2019, 2 a.m. N/A 0.2 ppb (0) 7.1 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 20, 2019, 1 a.m. N/A 0.3 ppb (0) 8.4 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 20, 2019, midnight N/A 0.3 ppb (0) 7.7 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
Jan. 19, 2019, 11 p.m. N/A 0.5 ppb (0) 8.9 ppb (8) 8.0 ppb (7) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 19, 2019, 10 p.m. N/A 0.4 ppb (0) 8.5 ppb (8) 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
Jan. 19, 2019, 9 p.m. N/A 0.6 ppb (1) 7.9 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 19, 2019, 8 p.m. N/A 0.6 ppb (1) 8.4 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 19, 2019, 7 p.m. N/A 1.1 ppb (1) 8.6 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 19, 2019, 6 p.m. N/A 1.5 ppb (1) 9.0 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 19, 2019, 5 p.m. N/A 1.9 ppb (2) 10.4 ppb (10) 7.0 ppb (6) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 19, 2019, 4 p.m. N/A 2.2 ppb (2) 12.6 ppb (12) 8.0 ppb (7) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Jan. 19, 2019, 3 p.m. N/A 2.5 ppb (2) 14.2 ppb (13) 9.0 ppb (8) N/A 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) N/A N/A 13.0
 
Jan. 19, 2019, 2 p.m. N/A 4.3 ppb (4) 18.9 ppb (18) 11.0 ppb (10) N/A 1.0 ppb (1) 7.0 ppb (5) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 19, 2019, 1 p.m. N/A 10.1 ppb (9) 28.4 ppb (26) 15.0 ppb (14) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) N/A N/A 26.0
 
Jan. 19, 2019, noon N/A 24.7 ppb (23) 44.6 ppb (41) 16.0 ppb (15) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 41.0
 
Jan. 19, 2019, 11 a.m. N/A 18.7 ppb (17) 39.7 ppb (37) 17.0 ppb (16) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 37.0
 
Jan. 19, 2019, 10 a.m. N/A 35.6 ppb (33) 56.8 ppb (53) 17.0 ppb (16) N/A 2.0 ppb (3) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 53.0
 
Jan. 19, 2019, 9 a.m. N/A 36.2 ppb (34) 56.7 ppb (53) 17.0 ppb (16) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 53.0
 
Jan. 19, 2019, 8 a.m. N/A 51.8 ppb (48) 74.9 ppb (72) 18.0 ppb (17) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 72.0
 
Jan. 19, 2019, 7 a.m. N/A 42.6 ppb (39) 65.8 ppb (63) 18.0 ppb (17) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 63.0
 
Jan. 19, 2019, 6 a.m. N/A 22.5 ppb (21) 46.4 ppb (43) 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 43.0
 
Jan. 19, 2019, 5 a.m. N/A 38.0 ppb (35) 62.5 ppb (59) 20.0 ppb (19) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 59.0
 
Jan. 19, 2019, 4 a.m. N/A 31.2 ppb (29) 56.3 ppb (52) 21.0 ppb (19) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 52.0
 
Jan. 19, 2019, 3 a.m. N/A 22.7 ppb (21) 47.9 ppb (44) 21.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 44.0
 
Jan. 19, 2019, 2 a.m. N/A 12.5 ppb (12) 37.0 ppb (34) 22.0 ppb (20) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 34.0
 
Jan. 19, 2019, 1 a.m. N/A 3.6 ppb (3) 24.1 ppb (22) 19.0 ppb (18) N/A 1.0 ppb (1) 5.0 ppb (4) 0.3 ppb (3) N/A N/A 22.0
 
Jan. 19, 2019, midnight N/A 5.5 ppb (5) 28.9 ppb (27) 22.0 ppb (20) N/A 1.0 ppb (1) 3.0 ppb (2) 0.3 ppb (3) N/A N/A 27.0
 
Jan. 18, 2019, 11 p.m. N/A 3.0 ppb (3) 25.0 ppb (23) 21.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) N/A N/A 23.0
 
Jan. 18, 2019, 10 p.m. N/A 2.8 ppb (3) 19.8 ppb (18) 17.0 ppb (16) N/A 1.0 ppb (1) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 18, 2019, 9 p.m. N/A 5.2 ppb (5) 22.1 ppb (20) 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 18, 2019, 8 p.m. N/A 15.3 ppb (14) 38.9 ppb (36) 22.0 ppb (20) N/A 1.0 ppb (1) 9.0 ppb (7) 0.3 ppb (3) N/A N/A 36.0
 
Jan. 18, 2019, 7 p.m. N/A 23.6 ppb (22) 48.5 ppb (45) 24.0 ppb (22) N/A 2.0 ppb (3) 9.0 ppb (7) 0.3 ppb (3) N/A N/A 45.0
 
Jan. 18, 2019, 6 p.m. N/A 23.3 ppb (22) 49.9 ppb (46) 26.0 ppb (24) N/A 1.0 ppb (1) 7.0 ppb (5) 0.3 ppb (3) N/A N/A 46.0
 
Jan. 18, 2019, 5 p.m. N/A 22.2 ppb (21) 49.1 ppb (45) 26.0 ppb (24) N/A 1.0 ppb (1) 7.0 ppb (5) 0.3 ppb (3) N/A N/A 45.0
 
Jan. 18, 2019, 4 p.m. N/A 8.5 ppb (8) 27.0 ppb (25) 17.0 ppb (16) N/A 1.0 ppb (1) 13.0 ppb (10) 0.3 ppb (3) N/A N/A 25.0
 
Jan. 18, 2019, 3 p.m. N/A 6.5 ppb (6) 22.3 ppb (21) 14.0 ppb (13) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 18, 2019, 2 p.m. N/A 4.5 ppb (4) 20.4 ppb (19) 14.0 ppb (13) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 18, 2019, 1 p.m. N/A 2.8 ppb (3) 19.5 ppb (18) 15.0 ppb (14) N/A 1.0 ppb (1) 12.0 ppb (9) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 18, 2019, noon N/A 0.8 ppb (1) 14.1 ppb (13) 13.0 ppb (12) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 13.0
 
Jan. 18, 2019, 11 a.m. N/A 0.4 ppb (0) 11.9 ppb (11) N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
Jan. 18, 2019, 10 a.m. N/A 0.4 ppb (0) 12.3 ppb (11) N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.1 ppb (1) N/A N/A 14.0
 
Jan. 18, 2019, 9 a.m. N/A 0.8 ppb (1) 10.0 ppb (9) 8.0 ppb (7) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
Jan. 18, 2019, 8 a.m. N/A 0.3 ppb (0) 10.7 ppb (10) 9.0 ppb (8) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 18, 2019, 5 a.m. N/A 0.2 ppb (0) 7.8 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
Jan. 18, 2019, 4 a.m. N/A 0.2 ppb (0) 6.3 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
Jan. 18, 2019, 3 a.m. N/A 0.2 ppb (0) 6.0 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 18, 2019, 2 a.m. N/A 0.3 ppb (0) 6.7 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
Jan. 18, 2019, 1 a.m. N/A 0.3 ppb (0) 6.8 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
Jan. 18, 2019, midnight N/A 1.5 ppb (1) 9.1 ppb (8) 8.0 ppb (7) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 17, 2019, 11 p.m. N/A 0.4 ppb (0) 11.1 ppb (10) 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 17, 2019, 10 p.m. N/A 0.4 ppb (0) 11.8 ppb (11) 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
Jan. 17, 2019, 9 p.m. N/A 0.9 ppb (1) 11.6 ppb (11) 11.0 ppb (10) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 17, 2019, 8 p.m. N/A 1.2 ppb (1) 9.8 ppb (9) 9.0 ppb (8) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 17, 2019, 7 p.m. N/A 1.8 ppb (2) 10.1 ppb (9) 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 17, 2019, 6 p.m. N/A 2.9 ppb (3) 12.9 ppb (12) 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 17, 2019, 5 p.m. N/A 2.4 ppb (2) 11.5 ppb (11) 10.0 ppb (9) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 17, 2019, 4 p.m. N/A 1.8 ppb (2) 8.1 ppb (8) 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 17, 2019, 3 p.m. N/A 1.6 ppb (1) 8.7 ppb (8) 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 2 p.m. N/A 1.5 ppb (1) 8.4 ppb (8) 7.0 ppb (6) N/A N/A 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
Jan. 17, 2019, 1 p.m. N/A 1.6 ppb (1) 11.1 ppb (10) 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 17, 2019, noon N/A 1.3 ppb (1) 18.1 ppb (17) 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 17.0
 
Jan. 17, 2019, 11 a.m. N/A 1.2 ppb (1) 16.3 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 17, 2019, 10 a.m. N/A 1.8 ppb (2) 16.0 ppb (15) 15.0 ppb (14) N/A 1.0 ppb (1) 14.0 ppb (11) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 17, 2019, 9 a.m. N/A 4.0 ppb (4) 27.7 ppb (26) 25.0 ppb (23) N/A 1.0 ppb (1) 3.0 ppb (2) 0.2 ppb (2) N/A N/A 26.0
 
Jan. 17, 2019, 8 a.m. N/A 2.1 ppb (2) 23.5 ppb (22) 23.0 ppb (21) N/A 1.0 ppb (1) 5.0 ppb (4) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 17, 2019, 7 a.m. N/A 0.9 ppb (1) 17.7 ppb (16) 18.0 ppb (17) N/A 1.0 ppb (1) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 17.0
 
Jan. 17, 2019, 6 a.m. N/A 0.7 ppb (1) 15.7 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 17, 2019, 5 a.m. N/A 0.7 ppb (1) 15.2 ppb (14) 15.0 ppb (14) N/A 1.0 ppb (1) 14.0 ppb (11) 0.2 ppb (2) N/A N/A 14.0
 
Jan. 17, 2019, 4 a.m. N/A 0.7 ppb (1) 13.6 ppb (13) 14.0 ppb (13) N/A 1.0 ppb (1) 16.0 ppb (12) 0.1 ppb (1) N/A N/A 13.0
 
Jan. 17, 2019, 3 a.m. N/A 0.6 ppb (1) 10.0 ppb (9) 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 17, 2019, 2 a.m. N/A 0.6 ppb (1) 9.5 ppb (9) 10.0 ppb (9) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Jan. 17, 2019, 1 a.m. N/A 0.4 ppb (0) 7.8 ppb (7) 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
Jan. 17, 2019, midnight N/A 0.8 ppb (1) 11.8 ppb (11) 12.0 ppb (11) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
Jan. 16, 2019, 11 p.m. N/A 1.6 ppb (1) 14.5 ppb (13) 15.0 ppb (14) N/A 1.0 ppb (1) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 14.0
 
Jan. 16, 2019, 10 p.m. N/A 1.1 ppb (1) 13.6 ppb (13) 14.0 ppb (13) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
Jan. 16, 2019, 9 p.m. N/A 1.9 ppb (2) 12.8 ppb (12) 13.0 ppb (12) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 16, 2019, 8 p.m. N/A 1.3 ppb (1) 7.6 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Jan. 16, 2019, 7 p.m. N/A 1.7 ppb (2) 7.8 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
Jan. 16, 2019, 6 p.m. N/A 3.4 ppb (3) 12.3 ppb (11) 9.0 ppb (8) N/A 1.0 ppb (1) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
Jan. 16, 2019, 5 p.m. N/A 4.4 ppb (4) 15.2 ppb (14) 11.0 ppb (10) N/A 1.0 ppb (1) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 16, 2019, 4 p.m. N/A 22.0 ppb (20) 47.0 ppb (44) 26.0 ppb (24) N/A 2.0 ppb (3) 13.0 ppb (10) 0.3 ppb (3) N/A N/A 44.0
 
Jan. 16, 2019, 3 p.m. N/A 52.5 ppb (49) 89.1 ppb (87) 37.0 ppb (34) N/A 2.0 ppb (3) 4.0 ppb (3) 0.5 ppb (6) N/A N/A 87.0
 
Jan. 16, 2019, 2 p.m. N/A 60.9 ppb (57) 99.1 ppb (98) 38.0 ppb (35) N/A 3.0 ppb (4) 2.0 ppb (2) 0.7 ppb (8) N/A N/A 98.0
 
Jan. 16, 2019, 1 p.m. N/A 86.5 ppb (85) 128.4 ppb (105) 39.0 ppb (36) N/A 3.0 ppb (4) 0.0 ppb (0) 0.9 ppb (10) N/A N/A 105.0
 
Jan. 16, 2019, noon N/A 103.5 ppb (100) 145.8 ppb (109) 37.0 ppb (34) N/A 3.0 ppb (4) 0.0 ppb (0) 1.3 ppb (14) N/A N/A 109.0
 
Jan. 16, 2019, 11 a.m. N/A 58.8 ppb (55) 98.6 ppb (97) 34.0 ppb (31) N/A 2.0 ppb (3) 0.0 ppb (0) 1.1 ppb (12) N/A N/A 97.0
 
Jan. 16, 2019, 10 a.m. N/A 49.9 ppb (46) 89.7 ppb (88) 39.0 ppb (36) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 88.0
 
Jan. 16, 2019, 9 a.m. N/A 55.7 ppb (52) 96.4 ppb (95) 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 95.0
 
Jan. 16, 2019, 8 a.m. N/A 33.5 ppb (31) 72.6 ppb (70) 36.0 ppb (33) N/A 2.0 ppb (3) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 70.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 36.0 ppb (33) N/A 1.0 ppb (1) 0.0 ppb (0) 0.3 ppb (3) N/A N/A 33.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A 35.0 ppb (32) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 32.0
 
Jan. 16, 2019, 5 a.m. N/A 24.7 ppb (23) 63.2 ppb (60) 35.0 ppb (32) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 60.0
 
Jan. 16, 2019, 4 a.m. N/A 16.1 ppb (15) 53.3 ppb (49) 36.0 ppb (33) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 49.0
 
Jan. 16, 2019, 3 a.m. N/A 32.3 ppb (30) 71.5 ppb (69) 36.0 ppb (33) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 69.0
 
Jan. 16, 2019, 2 a.m. N/A 46.9 ppb (43) 89.2 ppb (87) 37.0 ppb (34) N/A 2.0 ppb (3) 0.0 ppb (0) 1.0 ppb (11) N/A N/A 87.0
 
Jan. 16, 2019, 1 a.m. N/A 30.1 ppb (28) 74.1 ppb (71) 37.0 ppb (34) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 71.0
 
Jan. 16, 2019, midnight N/A 12.6 ppb (12) 53.2 ppb (49) 36.0 ppb (33) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 49.0
 
Jan. 15, 2019, 11 p.m. N/A 2.0 ppb (2) 32.4 ppb (30) 31.0 ppb (29) N/A 1.0 ppb (1) 6.0 ppb (5) 0.4 ppb (4) N/A N/A 30.0
 
Jan. 15, 2019, 10 p.m. N/A 1.6 ppb (1) 23.2 ppb (21) 22.0 ppb (20) N/A 2.0 ppb (3) 17.0 ppb (13) 0.3 ppb (3) N/A N/A 21.0
 
Jan. 15, 2019, 9 p.m. N/A 2.6 ppb (2) 16.0 ppb (15) 12.0 ppb (11) N/A 2.0 ppb (3) 30.0 ppb (23) 0.2 ppb (2) N/A N/A 23.0
 
Jan. 15, 2019, 8 p.m. N/A 2.1 ppb (2) 11.9 ppb (11) 9.0 ppb (8) N/A 3.0 ppb (4) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Jan. 15, 2019, 7 p.m. N/A 1.6 ppb (1) 10.6 ppb (10) 8.0 ppb (7) N/A 2.0 ppb (3) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Jan. 15, 2019, 6 p.m. N/A 2.1 ppb (2) 9.6 ppb (9) 7.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Jan. 15, 2019, 5 p.m. N/A 2.6 ppb (2) 9.6 ppb (9) 6.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Jan. 15, 2019, 4 p.m. N/A 3.0 ppb (3) 10.4 ppb (10) 6.0 ppb (6) N/A 2.0 ppb (3) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Jan. 15, 2019, 3 p.m. N/A 3.7 ppb (3) 12.4 ppb (11) 8.0 ppb (7) N/A 3.0 ppb (4) N/A 0.2 ppb (2) N/A N/A 11.0
 
Jan. 15, 2019, 2 p.m. N/A 6.3 ppb (6) 20.2 ppb (19) 12.0 ppb (11) N/A 3.0 ppb (4) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 15, 2019, 1 p.m. N/A 31.0 ppb (29) 61.4 ppb (58) 32.0 ppb (30) N/A 3.0 ppb (4) 5.0 ppb (4) 0.7 ppb (8) N/A N/A 58.0
 
Jan. 15, 2019, noon N/A 55.2 ppb (51) 95.8 ppb (94) 38.0 ppb (35) N/A 3.0 ppb (4) 0.0 ppb (0) 1.2 ppb (13) N/A N/A 94.0
 
Jan. 15, 2019, 11 a.m. N/A 35.1 ppb (32) 76.6 ppb (74) 34.0 ppb (31) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 74.0
 
Jan. 15, 2019, 10 a.m. N/A 19.8 ppb (18) 59.7 ppb (56) 34.0 ppb (31) N/A 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 56.0
 
Jan. 15, 2019, 9 a.m. N/A 14.3 ppb (13) 54.8 ppb (51) N/A N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 51.0
 
Jan. 15, 2019, 8 a.m. N/A 12.0 ppb (11) 46.5 ppb (43) 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 43.0
 
Jan. 15, 2019, 7 a.m. N/A 14.8 ppb (14) 51.0 ppb (47) 33.0 ppb (31) N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A N/A 47.0
 
Jan. 15, 2019, 6 a.m. N/A 22.5 ppb (21) 62.7 ppb (59) 35.0 ppb (32) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 59.0
 
Jan. 15, 2019, 5 a.m. N/A 32.8 ppb (30) 71.7 ppb (69) 33.0 ppb (31) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 69.0
 
Jan. 15, 2019, 4 a.m. N/A 29.5 ppb (27) 70.1 ppb (67) 36.0 ppb (33) N/A 2.0 ppb (3) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 67.0
 
Jan. 15, 2019, 3 a.m. N/A 30.5 ppb (28) 71.0 ppb (68) 37.0 ppb (34) N/A 2.0 ppb (3) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 68.0
 
Jan. 15, 2019, 2 a.m. N/A 34.7 ppb (32) 76.6 ppb (74) 39.0 ppb (36) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (9) N/A N/A 74.0
 
Jan. 15, 2019, 1 a.m. N/A 18.9 ppb (18) 60.3 ppb (57) 38.0 ppb (35) N/A 2.0 ppb (3) 0.0 ppb (0) 0.8 ppb (9) N/A N/A 57.0
 
Jan. 15, 2019, midnight N/A 29.0 ppb (27) 71.1 ppb (68) 39.0 ppb (36) N/A 2.0 ppb (3) 0.0 ppb (0) 0.8 ppb (9) N/A N/A 68.0
 
Jan. 14, 2019, 11 p.m. N/A 2.1 ppb (2) 30.0 ppb (28) 33.0 ppb (31) N/A 1.0 ppb (1) 5.0 ppb (4) 0.4 ppb (4) N/A N/A 31.0
 
Jan. 14, 2019, 10 p.m. N/A 1.6 ppb (1) 25.6 ppb (24) 26.0 ppb (24) N/A 1.0 ppb (1) 15.0 ppb (12) 0.3 ppb (3) N/A N/A 24.0
 
Jan. 14, 2019, 9 p.m. N/A 1.6 ppb (1) 12.7 ppb (12) 12.0 ppb (11) N/A 1.0 ppb (1) 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 14, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Jan. 14, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.3 ppb (3) N/A N/A 17.0