AQSQID: 240053001

Site Name: Essex

Location: Baltimore Co, MD

Reporting: True, Located: True

Current AQI: 28.0

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
Sept. 22, 2019, midnight N/A 0.0 ppb (0) 15.6 ppb (14) 15.0 ppb (14) N/A 1.0 ppb (1) 37.0 ppb (28) 0.4 ppb (4) N/A N/A 28.0
 
Sept. 21, 2019, 11 p.m. N/A 0.3 ppb (0) 15.2 ppb (14) 17.0 ppb (16) N/A 1.0 ppb (1) 44.0 ppb (34) 0.4 ppb (4) N/A N/A 34.0
 
Sept. 21, 2019, 10 p.m. N/A 0.0 ppb (0) 7.3 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 60.0 ppb (46) 0.2 ppb (2) N/A N/A 46.0
 
Sept. 21, 2019, 9 p.m. N/A 1.0 ppb (1) 7.2 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 65.0 ppb (50) 0.2 ppb (2) N/A N/A 50.0
 
Sept. 21, 2019, 8 p.m. N/A 0.7 ppb (1) 7.4 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 66.0 ppb (51) 0.2 ppb (2) N/A N/A 51.0
 
Sept. 21, 2019, 7 p.m. N/A 0.5 ppb (0) 7.8 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 66.0 ppb (51) 0.2 ppb (2) N/A N/A 51.0
 
Sept. 21, 2019, 6 p.m. N/A 0.4 ppb (0) 8.8 ppb (8) 5.0 ppb (5) N/A 1.0 ppb (1) 72.0 ppb (56) 0.2 ppb (2) N/A N/A 56.0
 
Sept. 21, 2019, 5 p.m. N/A 1.1 ppb (1) 12.3 ppb (11) 9.0 ppb (8) N/A 1.0 ppb (1) 66.0 ppb (51) 0.2 ppb (2) N/A N/A 51.0
 
Sept. 21, 2019, 4 p.m. N/A 2.4 ppb (2) 17.6 ppb (16) 13.0 ppb (12) N/A 1.0 ppb (1) 52.0 ppb (40) 0.2 ppb (2) N/A N/A 40.0
 
Sept. 21, 2019, 3 p.m. N/A 7.2 ppb (7) 32.7 ppb (30) 25.0 ppb (23) N/A 2.0 ppb (3) 35.0 ppb (27) 0.4 ppb (4) N/A N/A 30.0
 
Sept. 21, 2019, 2 p.m. N/A 17.2 ppb (16) 47.9 ppb (44) 32.0 ppb (30) N/A 2.0 ppb (3) 19.0 ppb (15) 0.4 ppb (4) N/A N/A 44.0
 
Sept. 21, 2019, 1 p.m. N/A 22.5 ppb (21) 50.0 ppb (46) 28.0 ppb (26) N/A 1.0 ppb (1) 11.0 ppb (8) 0.5 ppb (6) N/A N/A 46.0
 
Sept. 21, 2019, noon N/A 30.1 ppb (28) 52.2 ppb (48) 21.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) 0.6 ppb (7) N/A N/A 48.0
 
Sept. 21, 2019, 11 a.m. N/A 28.2 ppb (26) 42.9 ppb (40) 12.0 ppb (11) N/A 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 40.0
 
Sept. 21, 2019, 10 a.m. N/A 19.0 ppb (18) 35.1 ppb (32) 13.0 ppb (12) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 32.0
 
Sept. 21, 2019, 9 a.m. N/A 16.1 ppb (15) 33.2 ppb (31) 14.0 ppb (13) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 31.0
 
Sept. 21, 2019, 8 a.m. N/A 8.2 ppb (8) 26.3 ppb (24) 16.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 24.0
 
Sept. 21, 2019, 7 a.m. N/A 2.9 ppb (3) 21.7 ppb (20) 17.0 ppb (16) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 20.0
 
Sept. 21, 2019, 6 a.m. N/A 10.1 ppb (9) 32.8 ppb (30) 21.0 ppb (19) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 30.0
 
Sept. 21, 2019, 5 a.m. N/A 0.3 ppb (0) 22.3 ppb (21) 22.0 ppb (20) N/A 0.0 ppb (0) 5.0 ppb (4) 0.4 ppb (4) N/A N/A 21.0
 
Sept. 21, 2019, 4 a.m. N/A 4.7 ppb (4) 33.3 ppb (31) 27.0 ppb (25) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 31.0
 
Sept. 21, 2019, 3 a.m. N/A 1.8 ppb (2) 25.5 ppb (24) 24.0 ppb (22) N/A 0.0 ppb (0) 3.0 ppb (2) 0.5 ppb (6) N/A N/A 24.0
 
Sept. 21, 2019, 2 a.m. N/A 0.3 ppb (0) 18.4 ppb (17) 19.0 ppb (18) N/A 0.0 ppb (0) 12.0 ppb (9) 0.4 ppb (4) N/A N/A 18.0
 
Sept. 21, 2019, 1 a.m. N/A 0.1 ppb (0) 12.9 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 23.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
Sept. 21, 2019, midnight N/A 0.7 ppb (1) 9.8 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Sept. 20, 2019, 11 p.m. N/A 0.4 ppb (0) 7.1 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 20, 2019, 10 p.m. N/A 0.5 ppb (0) 4.7 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
Sept. 20, 2019, 9 p.m. N/A 0.5 ppb (0) 4.7 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
Sept. 20, 2019, 8 p.m. N/A 0.5 ppb (0) 4.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 20, 2019, 7 p.m. N/A 0.5 ppb (0) 4.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) N/A N/A 41.0
 
Sept. 20, 2019, 6 p.m. N/A 0.8 ppb (1) 7.2 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A N/A 42.0
 
Sept. 20, 2019, 5 p.m. N/A 1.8 ppb (2) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
Sept. 20, 2019, 4 p.m. N/A 2.1 ppb (2) 11.1 ppb (10) 9.0 ppb (8) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 20, 2019, 3 p.m. N/A 3.1 ppb (3) 12.4 ppb (11) 11.0 ppb (10) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
Sept. 20, 2019, 2 p.m. N/A 4.3 ppb (4) 15.2 ppb (14) 12.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Sept. 20, 2019, 1 p.m. N/A 11.9 ppb (11) 30.8 ppb (29) 20.0 ppb (19) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A N/A 29.0
 
Sept. 20, 2019, noon N/A 37.6 ppb (35) 64.1 ppb (61) 27.0 ppb (25) N/A 1.0 ppb (1) 4.0 ppb (3) 0.5 ppb (6) N/A N/A 61.0
 
Sept. 20, 2019, 11 a.m. N/A 28.9 ppb (27) 50.5 ppb (47) 19.0 ppb (18) N/A 1.0 ppb (1) 1.0 ppb (1) 0.6 ppb (7) N/A N/A 47.0
 
Sept. 20, 2019, 10 a.m. N/A 19.0 ppb (18) 40.2 ppb (37) 18.0 ppb (17) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 37.0
 
Sept. 20, 2019, 9 a.m. N/A 21.0 ppb (19) 40.9 ppb (38) 17.0 ppb (16) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 38.0
 
Sept. 20, 2019, 8 a.m. N/A 20.7 ppb (19) 42.7 ppb (40) 19.0 ppb (18) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 40.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 18.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 19.0
 
Sept. 20, 2019, 5 a.m. N/A 41.1 ppb (38) 67.3 ppb (64) 24.0 ppb (22) N/A 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 64.0
 
Sept. 20, 2019, 4 a.m. N/A 18.2 ppb (17) 43.8 ppb (41) 25.0 ppb (23) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 41.0
 
Sept. 20, 2019, 3 a.m. N/A 10.3 ppb (10) 37.6 ppb (35) 27.0 ppb (25) N/A 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 35.0
 
Sept. 20, 2019, 2 a.m. N/A 8.1 ppb (8) 35.9 ppb (33) 28.0 ppb (26) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A N/A 33.0
 
Sept. 20, 2019, 1 a.m. N/A 0.6 ppb (1) 16.9 ppb (16) 16.0 ppb (15) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A N/A 16.0
 
Sept. 20, 2019, midnight N/A 0.9 ppb (1) 14.3 ppb (13) 13.0 ppb (12) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
Sept. 19, 2019, 11 p.m. N/A 0.1 ppb (0) 7.6 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Sept. 19, 2019, 10 p.m. N/A 0.1 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
Sept. 19, 2019, 9 p.m. N/A 0.5 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
Sept. 19, 2019, 8 p.m. N/A 0.6 ppb (1) 3.2 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
Sept. 19, 2019, 7 p.m. N/A 0.3 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
Sept. 19, 2019, 6 p.m. N/A 0.2 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
Sept. 19, 2019, 5 p.m. N/A 0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
Sept. 19, 2019, noon N/A 2.6 ppb (2) 10.8 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Sept. 19, 2019, 11 a.m. N/A 3.1 ppb (3) 19.2 ppb (18) 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 19, 2019, 10 a.m. N/A 0.4 ppb (0) 14.9 ppb (14) 15.0 ppb (14) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A N/A 14.0
 
Sept. 19, 2019, 9 a.m. N/A 0.5 ppb (0) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Sept. 19, 2019, 8 a.m. N/A 0.1 ppb (0) 8.6 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A N/A 13.0
 
Sept. 19, 2019, 7 a.m. N/A 0.0 ppb (0) 6.3 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
Sept. 19, 2019, 6 a.m. N/A 0.0 ppb (0) 3.2 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
Sept. 19, 2019, 5 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 19, 2019, 4 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 19, 2019, 3 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 19, 2019, 2 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 19, 2019, 1 a.m. N/A 0.0 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
Sept. 19, 2019, midnight N/A 0.0 ppb (0) 8.1 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
Sept. 18, 2019, 11 p.m. N/A 0.0 ppb (0) 5.8 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
Sept. 18, 2019, 10 p.m. N/A 0.1 ppb (0) 4.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 18, 2019, 9 p.m. N/A 0.1 ppb (0) 3.6 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 53.0 ppb (41) 0.1 ppb (1) N/A N/A 41.0
 
Sept. 18, 2019, 8 p.m. N/A 0.4 ppb (0) 4.3 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 18, 2019, 7 p.m. N/A 0.2 ppb (0) 3.4 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 18, 2019, 6 p.m. N/A 0.1 ppb (0) 3.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A N/A 42.0
 
Sept. 18, 2019, 5 p.m. N/A 0.3 ppb (0) 3.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 18, 2019, 4 p.m. N/A 0.3 ppb (0) 4.1 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 18, 2019, 3 p.m. N/A 0.4 ppb (0) 3.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
Sept. 18, 2019, 2 p.m. N/A 0.8 ppb (1) 4.7 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Sept. 18, 2019, 1 p.m. N/A 2.2 ppb (2) 9.4 ppb (9) 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Sept. 18, 2019, noon N/A 3.6 ppb (3) 13.6 ppb (13) 11.0 ppb (10) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A N/A 14.0
 
Sept. 18, 2019, 11 a.m. N/A 2.6 ppb (2) 16.5 ppb (15) 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) N/A N/A 15.0
 
Sept. 18, 2019, 10 a.m. N/A 0.4 ppb (0) 13.2 ppb (12) 13.0 ppb (12) N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) N/A N/A 12.0
 
Sept. 18, 2019, 9 a.m. N/A 0.3 ppb (0) 11.3 ppb (10) 12.0 ppb (11) N/A N/A 11.0 ppb (8) 0.1 ppb (1) N/A N/A 11.0
 
Sept. 18, 2019, 8 a.m. N/A 0.1 ppb (0) 10.6 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A N/A 10.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A N/A 11.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) N/A N/A 11.0
 
Sept. 18, 2019, 5 a.m. N/A 0.2 ppb (0) 15.1 ppb (14) 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A N/A 14.0
 
Sept. 18, 2019, 4 a.m. N/A 0.0 ppb (0) 12.2 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A N/A 12.0
 
Sept. 18, 2019, 3 a.m. N/A 0.0 ppb (0) 8.2 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 18, 2019, 2 a.m. N/A 0.0 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Sept. 18, 2019, 1 a.m. N/A 0.0 ppb (0) 11.9 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Sept. 18, 2019, midnight N/A 0.0 ppb (0) 11.2 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 44.0 ppb (34) 0.3 ppb (3) N/A N/A 34.0
 
Sept. 17, 2019, 11 p.m. N/A 0.0 ppb (0) 9.2 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 55.0 ppb (42) 0.2 ppb (2) N/A N/A 42.0
 
Sept. 17, 2019, 10 p.m. N/A 0.0 ppb (0) 6.5 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 65.0 ppb (50) 0.2 ppb (2) N/A N/A 50.0
 
Sept. 17, 2019, 9 p.m. N/A 0.1 ppb (0) 6.6 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (1) 69.0 ppb (53) 0.2 ppb (2) N/A N/A 53.0
 
Sept. 17, 2019, 8 p.m. N/A 0.2 ppb (0) 5.8 ppb (5) 3.0 ppb (3) N/A 1.0 ppb (1) 67.0 ppb (52) 0.1 ppb (1) N/A N/A 52.0
 
Sept. 17, 2019, 7 p.m. N/A 0.3 ppb (0) 5.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (48) 0.1 ppb (1) N/A N/A 48.0
 
Sept. 17, 2019, 6 p.m. N/A 0.1 ppb (0) 4.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A N/A 44.0
 
Sept. 17, 2019, 5 p.m. N/A 0.3 ppb (0) 4.3 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 17, 2019, 4 p.m. N/A 0.3 ppb (0) 3.6 ppb (3) 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
Sept. 17, 2019, 3 p.m. N/A 0.4 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
Sept. 17, 2019, 2 p.m. N/A 0.5 ppb (0) 3.6 ppb (3) 3.0 ppb (3) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
Sept. 17, 2019, 1 p.m. N/A 0.5 ppb (0) 4.5 ppb (4) 4.0 ppb (4) N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A N/A 24.0
 
Sept. 17, 2019, noon N/A 1.1 ppb (1) 9.4 ppb (9) 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 17, 2019, 11 a.m. N/A 0.3 ppb (0) 9.0 ppb (8) 8.0 ppb (7) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
Sept. 17, 2019, 10 a.m. N/A 0.1 ppb (0) 8.2 ppb (8) 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Sept. 17, 2019, 9 a.m. N/A 0.1 ppb (0) 7.2 ppb (7) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
Sept. 17, 2019, 8 a.m. N/A 0.0 ppb (0) 6.9 ppb (6) 6.0 ppb (6) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
Sept. 17, 2019, 7 a.m. N/A 0.0 ppb (0) 6.6 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 17, 2019, 6 a.m. N/A 0.0 ppb (0) 6.2 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
Sept. 17, 2019, 5 a.m. N/A 0.0 ppb (0) 6.7 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
Sept. 17, 2019, 4 a.m. N/A 0.0 ppb (0) 10.4 ppb (10) 9.0 ppb (8) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
Sept. 17, 2019, 3 a.m. N/A 0.0 ppb (0) 11.6 ppb (11) 10.0 ppb (9) N/A 1.0 ppb (1) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
Sept. 17, 2019, 2 a.m. N/A 0.0 ppb (0) 7.9 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
Sept. 17, 2019, 1 a.m. N/A 0.0 ppb (0) 8.0 ppb (7) 6.0 ppb (6) N/A 1.0 ppb (1) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
Sept. 17, 2019, midnight N/A 0.0 ppb (0) 8.3 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (1) 62.0 ppb (48) 0.2 ppb (2) N/A N/A 48.0
 
Sept. 16, 2019, 11 p.m. N/A 0.0 ppb (0) 8.5 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (1) 78.0 ppb (61) 0.2 ppb (2) N/A N/A 61.0
 
Sept. 16, 2019, 10 p.m. N/A 0.0 ppb (0) 7.8 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (1) 80.0 ppb (62) 0.2 ppb (2) N/A N/A 62.0
 
Sept. 16, 2019, 9 p.m. N/A 0.0 ppb (0) 6.3 ppb (6) 4.0 ppb (4) N/A 1.0 ppb (1) 79.0 ppb (62) 0.2 ppb (2) N/A N/A 62.0
 
Sept. 16, 2019, 8 p.m. N/A 0.4 ppb (0) 6.8 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 78.0 ppb (61) 0.2 ppb (2) N/A N/A 61.0
 
Sept. 16, 2019, 7 p.m. N/A 0.2 ppb (0) 7.4 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (1) 85.0 ppb (67) 0.2 ppb (2) N/A N/A 67.0
 
Sept. 16, 2019, 6 p.m. N/A 0.1 ppb (0) 8.6 ppb (8) 4.0 ppb (4) N/A 1.0 ppb (1) 87.0 ppb (68) 0.2 ppb (2) N/A N/A 68.0
 
Sept. 16, 2019, 5 p.m. N/A 1.3 ppb (1) 14.2 ppb (13) 10.0 ppb (9) N/A 2.0 ppb (3) 69.0 ppb (53) N/A N/A N/A 53.0
 
Sept. 16, 2019, 4 p.m. N/A 3.0 ppb (3) 21.0 ppb (19) 18.0 ppb (17) N/A 2.0 ppb (3) 46.0 ppb (35) 0.3 ppb (3) N/A N/A 35.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) 37.0 ppb (28) 0.3 ppb (3) N/A N/A 28.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A 19.0 ppb (18) N/A 2.0 ppb (3) 32.0 ppb (25) 0.3 ppb (3) N/A N/A 25.0
 
Sept. 16, 2019, 1 p.m. N/A 5.9 ppb (5) 23.0 ppb (21) 18.0 ppb (17) N/A 2.0 ppb (3) 26.0 ppb (20) 0.3 ppb (3) N/A N/A 21.0
 
Sept. 16, 2019, noon N/A 17.1 ppb (16) 35.7 ppb (33) 20.0 ppb (19) N/A 1.0 ppb (1) 9.0 ppb (7) 0.5 ppb (6) N/A N/A 33.0
 
Sept. 16, 2019, 11 a.m. N/A 22.6 ppb (21) 40.5 ppb (38) 17.0 ppb (16) N/A 1.0 ppb (1) 1.0 ppb (1) 0.5 ppb (6) N/A N/A 38.0
 
Sept. 16, 2019, 10 a.m. N/A 22.1 ppb (20) 42.3 ppb (39) 18.0 ppb (17) N/A 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) N/A N/A 39.0
 
Sept. 16, 2019, 9 a.m. N/A 18.6 ppb (17) 40.8 ppb (38) 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 38.0
 
Sept. 16, 2019, 8 a.m. N/A 11.9 ppb (11) 33.8 ppb (31) 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 31.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 19.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 21.0
 
Sept. 16, 2019, 5 a.m. N/A 2.1 ppb (2) 28.5 ppb (26) 26.0 ppb (24) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) N/A N/A 26.0
 
Sept. 16, 2019, 4 a.m. N/A 2.3 ppb (2) 28.1 ppb (26) 26.0 ppb (24) N/A 1.0 ppb (1) 2.0 ppb (2) 0.4 ppb (4) N/A N/A 26.0
 
Sept. 16, 2019, 3 a.m. N/A 0.2 ppb (0) 17.8 ppb (16) 17.0 ppb (16) N/A 1.0 ppb (1) 11.0 ppb (8) 0.3 ppb (3) N/A N/A 16.0
 
Sept. 16, 2019, 2 a.m. N/A 0.0 ppb (0) 15.9 ppb (15) 16.0 ppb (15) N/A 1.0 ppb (1) 17.0 ppb (13) 0.3 ppb (3) N/A N/A 15.0
 
Sept. 16, 2019, 1 a.m. N/A 0.0 ppb (0) 12.8 ppb (12) 14.0 ppb (13) N/A 1.0 ppb (1) 26.0 ppb (20) 0.3 ppb (3) N/A N/A 20.0
 
Sept. 16, 2019, midnight N/A 0.0 ppb (0) 11.2 ppb (10) 12.0 ppb (11) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Sept. 15, 2019, 11 p.m. N/A 0.1 ppb (0) 7.3 ppb (7) 9.0 ppb (8) N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
Sept. 15, 2019, 10 p.m. N/A 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 50.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 15, 2019, 9 p.m. N/A 0.1 ppb (0) 2.2 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 53.0 ppb (41) 0.1 ppb (1) N/A N/A 41.0
 
Sept. 15, 2019, 8 p.m. N/A 0.1 ppb (0) 1.9 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) 54.0 ppb (42) 0.1 ppb (1) N/A N/A 42.0
 
Sept. 15, 2019, 7 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) 55.0 ppb (42) 0.1 ppb (1) N/A N/A 42.0
 
Sept. 15, 2019, 6 p.m. N/A 0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 52.0 ppb (40) 0.1 ppb (1) N/A N/A 40.0
 
Sept. 15, 2019, 5 p.m. N/A 0.3 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 50.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 15, 2019, 4 p.m. N/A 0.3 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
Sept. 15, 2019, 3 p.m. N/A 0.2 ppb (0) 2.1 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Sept. 15, 2019, 2 p.m. N/A 0.3 ppb (0) 2.5 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 15, 2019, 1 p.m. N/A 0.5 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Sept. 15, 2019, noon N/A 0.6 ppb (1) 4.0 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Sept. 15, 2019, 11 a.m. N/A 0.8 ppb (1) 7.7 ppb (7) 7.0 ppb (6) N/A 1.0 ppb (1) 9.0 ppb (7) 0.2 ppb (2) N/A N/A 7.0
 
Sept. 15, 2019, 10 a.m. N/A 0.4 ppb (0) 9.7 ppb (9) 9.0 ppb (8) N/A 1.0 ppb (1) 7.0 ppb (5) 0.4 ppb (4) N/A N/A 9.0
 
Sept. 15, 2019, 9 a.m. N/A 0.0 ppb (0) 6.6 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) N/A N/A 10.0
 
Sept. 15, 2019, 8 a.m. N/A 0.0 ppb (0) 5.1 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) 0.1 ppb (1) N/A N/A 15.0
 
Sept. 15, 2019, 7 a.m. N/A 0.0 ppb (0) 5.3 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
Sept. 15, 2019, 6 a.m. N/A 0.0 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A N/A 16.0
 
Sept. 15, 2019, 5 a.m. N/A 0.0 ppb (0) 4.9 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Sept. 15, 2019, 4 a.m. N/A 0.1 ppb (0) 5.9 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
Sept. 15, 2019, 3 a.m. N/A 0.0 ppb (0) 5.6 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
Sept. 15, 2019, 2 a.m. N/A 0.3 ppb (0) 4.1 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
Sept. 15, 2019, 1 a.m. N/A 0.4 ppb (0) 5.4 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0