ID: 462

AQSQID: 240053001

Site Name: Essex

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 18, 2021, 10:31 a.m.

Location: Essex (N Woodward Dr), MD

Reporting: True, Located: True

Current AQI: 19.0

Essex (N Woodward Dr) MD, US: 39.310833, -76.474444

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2021, 9 a.m. N/A 2.4 ppb (3) 19.5 ppb (19) 19.0 ppb (18) N/A N/A 9.0 ppb (9) 0.2 ppb (3) N/A N/A 19.0
 
Jan. 18, 2021, 8 a.m. N/A 2.9 ppb (3) 22.3 ppb (22) 22.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (5) 0.2 ppb (3) N/A N/A 22.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 7.0 ppb (7) 0.2 ppb (3) N/A N/A 19.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) 8.0 ppb (8) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 18, 2021, 5 a.m. N/A 1.2 ppb (2) 16.3 ppb (16) 16.0 ppb (16) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A N/A 16.0
 
Jan. 18, 2021, 4 a.m. N/A 0.5 ppb (1) 14.0 ppb (14) 15.0 ppb (15) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A N/A 15.0
 
Jan. 18, 2021, 3 a.m. N/A 1.1 ppb (2) 16.8 ppb (16) 17.0 ppb (17) N/A 1.0 ppb (2) 11.0 ppb (11) 0.2 ppb (3) N/A N/A 17.0
 
Jan. 18, 2021, 2 a.m. N/A 1.2 ppb (2) 16.7 ppb (16) 17.0 ppb (17) N/A 1.0 ppb (2) 13.0 ppb (13) 0.2 ppb (3) N/A N/A 17.0
 
Jan. 18, 2021, 1 a.m. N/A 1.1 ppb (2) 18.4 ppb (18) 19.0 ppb (18) N/A 0.0 ppb (0) 13.0 ppb (13) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 18, 2021, midnight N/A 0.8 ppb (1) 13.8 ppb (14) 15.0 ppb (15) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A N/A 17.0
 
Jan. 17, 2021, 11 p.m. N/A 2.5 ppb (3) 23.0 ppb (22) 23.0 ppb (22) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) N/A N/A 22.0
 
Jan. 17, 2021, 10 p.m. N/A 1.1 ppb (2) 13.1 ppb (13) 15.0 ppb (15) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A N/A 16.0
 
Jan. 17, 2021, 9 p.m. N/A 0.8 ppb (1) 7.7 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A N/A 23.0
 
Jan. 17, 2021, 8 p.m. N/A 0.9 ppb (1) 4.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 17, 2021, 7 p.m. N/A 1.1 ppb (2) 4.3 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 17, 2021, 6 p.m. N/A 1.1 ppb (2) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 17, 2021, 5 p.m. N/A 1.8 ppb (2) 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) N/A N/A 23.0
 
Jan. 17, 2021, 4 p.m. N/A 2.3 ppb (3) 6.2 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 23.0 ppb (22) 0.1 ppb (2) N/A N/A 22.0
 
Jan. 17, 2021, 3 p.m. N/A 3.1 ppb (3) 8.3 ppb (8) 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) 0.1 ppb (2) N/A N/A 20.0
 
Jan. 17, 2021, 2 p.m. N/A 3.4 ppb (4) 11.2 ppb (11) 9.0 ppb (9) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) N/A N/A 17.0
 
Jan. 17, 2021, 1 p.m. N/A 2.0 ppb (2) 10.5 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A N/A 16.0
 
Jan. 17, 2021, noon N/A 3.5 ppb (4) 13.5 ppb (13) 16.0 ppb (16) N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A N/A 16.0
 
Jan. 17, 2021, 11 a.m. N/A 1.6 ppb (2) 19.9 ppb (19) 19.0 ppb (18) N/A 0.0 ppb (0) 11.0 ppb (11) 0.2 ppb (3) N/A N/A 19.0
 
Jan. 17, 2021, 10 a.m. N/A 0.9 ppb (1) 14.7 ppb (14) 16.0 ppb (16) N/A 0.0 ppb (0) 15.0 ppb (14) 0.1 ppb (2) N/A N/A 16.0
 
Jan. 17, 2021, 9 a.m. N/A 0.6 ppb (1) 11.4 ppb (11) 12.0 ppb (12) N/A 0.0 ppb (0) 18.0 ppb (17) 0.1 ppb (2) N/A N/A 17.0
 
Jan. 17, 2021, 8 a.m. N/A 0.5 ppb (1) 9.7 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 20.0 ppb (19) 0.1 ppb (2) N/A N/A 19.0
 
Jan. 17, 2021, 7 a.m. N/A 0.6 ppb (1) 9.0 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A N/A 20.0
 
Jan. 17, 2021, 6 a.m. N/A 0.6 ppb (1) 8.1 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) N/A N/A 21.0
 
Jan. 17, 2021, 5 a.m. N/A 0.5 ppb (1) 8.8 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.1 ppb (2) N/A N/A 20.0
 
Jan. 17, 2021, 4 a.m. N/A 0.5 ppb (1) 6.0 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A N/A 24.0
 
Jan. 17, 2021, 3 a.m. N/A 0.5 ppb (1) 6.4 ppb (7) 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A N/A 25.0
 
Jan. 17, 2021, 2 a.m. N/A 0.5 ppb (1) 7.0 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A N/A 27.0
 
Jan. 17, 2021, 1 a.m. N/A 0.4 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A N/A 31.0
 
Jan. 17, 2021, midnight N/A 0.6 ppb (1) 6.7 ppb (7) 8.0 ppb (8) N/A 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) N/A N/A 29.0
 
Jan. 16, 2021, 11 p.m. N/A 1.8 ppb (2) 10.4 ppb (10) 11.0 ppb (11) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 16, 2021, 10 p.m. N/A 0.6 ppb (1) 6.2 ppb (6) 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A N/A 29.0
 
Jan. 16, 2021, 9 p.m. N/A 0.6 ppb (1) 4.9 ppb (5) 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0
 
Jan. 16, 2021, 8 p.m. N/A 0.8 ppb (1) 4.8 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A N/A 33.0
 
Jan. 16, 2021, 7 p.m. N/A 0.8 ppb (1) 4.1 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0
 
Jan. 16, 2021, 6 p.m. N/A 1.5 ppb (2) 5.3 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A N/A 31.0
 
Jan. 16, 2021, 5 p.m. N/A 1.4 ppb (2) 4.7 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A N/A 30.0
 
Jan. 16, 2021, 4 p.m. N/A 1.5 ppb (2) 5.2 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A N/A 28.0
 
Jan. 16, 2021, 3 p.m. N/A 1.6 ppb (2) 5.5 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) 0.1 ppb (2) N/A N/A 27.0
 
Jan. 16, 2021, 2 p.m. N/A 2.0 ppb (2) 7.1 ppb (7) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A N/A 25.0
 
Jan. 16, 2021, 1 p.m. N/A 3.5 ppb (4) 13.7 ppb (13) 13.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 16, 2021, noon N/A 0.8 ppb (1) 9.4 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A N/A 19.0
 
Jan. 16, 2021, 11 a.m. N/A 0.4 ppb (1) 7.8 ppb (8) 8.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A N/A 21.0
 
Jan. 16, 2021, 10 a.m. N/A 0.4 ppb (1) 8.3 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) N/A N/A 22.0
 
Jan. 16, 2021, 9 a.m. N/A 0.2 ppb (1) 5.6 ppb (6) 7.0 ppb (7) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 16, 2021, 8 a.m. N/A 0.6 ppb (1) 14.8 ppb (14) 14.0 ppb (14) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 16, 2021, 7 a.m. N/A 0.3 ppb (1) 11.2 ppb (11) 12.0 ppb (12) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A N/A 20.0
 
Jan. 16, 2021, 6 a.m. N/A 0.3 ppb (1) 9.1 ppb (9) 10.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 16, 2021, 5 a.m. N/A 0.2 ppb (1) 6.2 ppb (6) 8.0 ppb (8) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A N/A 29.0
 
Jan. 16, 2021, 4 a.m. N/A 0.2 ppb (1) 6.8 ppb (7) 8.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
Jan. 16, 2021, 3 a.m. N/A 0.2 ppb (1) 7.9 ppb (8) 9.0 ppb (9) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 16, 2021, 2 a.m. N/A 0.2 ppb (1) 8.2 ppb (8) 10.0 ppb (10) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 16, 2021, 1 a.m. N/A 0.2 ppb (1) 8.0 ppb (8) 10.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A N/A 27.0
 
Jan. 16, 2021, midnight N/A 0.9 ppb (1) 11.4 ppb (11) 12.0 ppb (12) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 15, 2021, 11 p.m. N/A 0.5 ppb (1) 10.0 ppb (10) 11.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (26) 0.2 ppb (3) N/A N/A 26.0
 
Jan. 15, 2021, 10 p.m. N/A 0.4 ppb (1) 9.8 ppb (10) 10.0 ppb (10) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
Jan. 15, 2021, 9 p.m. N/A 1.0 ppb (1) 14.1 ppb (14) 15.0 ppb (15) N/A 0.0 ppb (0) 25.0 ppb (24) 0.3 ppb (4) N/A N/A 24.0
 
Jan. 15, 2021, 8 p.m. N/A 0.8 ppb (1) 9.4 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 31.0 ppb (29) 0.2 ppb (3) N/A N/A 29.0
 
Jan. 15, 2021, 7 p.m. N/A 1.1 ppb (2) 9.1 ppb (9) 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
Jan. 15, 2021, 6 p.m. N/A 1.8 ppb (2) 9.0 ppb (9) N/A N/A 1.0 ppb (2) N/A 0.2 ppb (3) N/A N/A 9.0
 
Jan. 15, 2021, 5 p.m. N/A 2.6 ppb (3) 10.5 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 15, 2021, 4 p.m. N/A 4.2 ppb (4) 16.2 ppb (16) 9.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A N/A 20.0
 
Jan. 15, 2021, 3 p.m. N/A 3.2 ppb (4) 19.6 ppb (19) 13.0 ppb (13) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) N/A N/A 19.0
 
Jan. 15, 2021, 2 p.m. N/A 5.2 ppb (5) 23.6 ppb (23) 15.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) N/A N/A 23.0
 
Jan. 15, 2021, 1 p.m. N/A 3.5 ppb (4) 23.5 ppb (23) 16.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (9) 0.3 ppb (4) N/A N/A 23.0
 
Jan. 15, 2021, noon N/A 4.1 ppb (4) 28.3 ppb (27) 21.0 ppb (20) N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) N/A N/A 27.0
 
Jan. 15, 2021, 11 a.m. N/A 4.3 ppb (5) 29.7 ppb (29) 23.0 ppb (22) N/A 0.0 ppb (0) 4.0 ppb (4) 0.4 ppb (5) N/A N/A 29.0
 
Jan. 15, 2021, 10 a.m. N/A 2.9 ppb (3) 27.4 ppb (26) 22.0 ppb (21) N/A 0.0 ppb (0) 6.0 ppb (6) 0.3 ppb (4) N/A N/A 26.0
 
Jan. 15, 2021, 9 a.m. N/A 11.2 ppb (11) 41.2 ppb (39) 27.0 ppb (26) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 39.0
 
Jan. 15, 2021, 8 a.m. N/A 14.2 ppb (14) 45.0 ppb (43) 28.0 ppb (27) N/A 1.0 ppb (2) 1.0 ppb (1) 0.4 ppb (5) N/A N/A 43.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A 25.0 ppb (24) N/A 1.0 ppb (2) 2.0 ppb (2) 0.7 ppb (8) N/A N/A 24.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A 24.0 ppb (23) N/A 2.0 ppb (3) 2.0 ppb (2) 0.8 ppb (10) N/A N/A 23.0
 
Jan. 15, 2021, 5 a.m. N/A 36.2 ppb (35) 69.0 ppb (67) 27.0 ppb (26) N/A 2.0 ppb (3) 2.0 ppb (2) 0.9 ppb (11) N/A N/A 67.0
 
Jan. 15, 2021, 4 a.m. N/A 41.0 ppb (39) 75.6 ppb (75) 29.0 ppb (28) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) N/A N/A 75.0
 
Jan. 15, 2021, 3 a.m. N/A 60.7 ppb (59) 97.8 ppb (98) 31.0 ppb (30) N/A 2.0 ppb (3) 2.0 ppb (2) 1.1 ppb (13) N/A N/A 98.0
 
Jan. 15, 2021, 2 a.m. N/A 70.5 ppb (69) 109.3 ppb (103) 33.0 ppb (32) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) N/A N/A 103.0
 
Jan. 15, 2021, 1 a.m. N/A 48.8 ppb (47) 87.6 ppb (87) 32.0 ppb (31) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) N/A N/A 87.0
 
Jan. 15, 2021, midnight N/A 32.8 ppb (31) 72.1 ppb (71) 33.0 ppb (32) N/A 1.0 ppb (2) 2.0 ppb (2) 0.8 ppb (10) N/A N/A 71.0
 
Jan. 14, 2021, 11 p.m. N/A 15.8 ppb (15) 53.3 ppb (51) 33.0 ppb (32) N/A 1.0 ppb (2) 3.0 ppb (3) 0.6 ppb (7) N/A N/A 51.0
 
Jan. 14, 2021, 10 p.m. N/A 1.6 ppb (2) 24.3 ppb (23) 23.0 ppb (22) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) N/A N/A 23.0
 
Jan. 14, 2021, 9 p.m. N/A 2.6 ppb (3) 18.2 ppb (18) 16.0 ppb (16) N/A 1.0 ppb (2) 25.0 ppb (24) 0.3 ppb (4) N/A N/A 24.0
 
Jan. 14, 2021, 8 p.m. N/A 3.6 ppb (4) 16.9 ppb (16) 12.0 ppb (12) N/A 1.0 ppb (2) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 14, 2021, 7 p.m. N/A 3.5 ppb (4) 13.9 ppb (14) 9.0 ppb (9) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
Jan. 14, 2021, 6 p.m. N/A 2.3 ppb (3) 9.8 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0
 
Jan. 14, 2021, 5 p.m. N/A 2.8 ppb (3) 10.8 ppb (11) 7.0 ppb (7) N/A 1.0 ppb (2) 30.0 ppb (28) 0.2 ppb (3) N/A N/A 28.0
 
Jan. 14, 2021, 4 p.m. N/A 25.2 ppb (24) 46.2 ppb (44) 19.0 ppb (18) N/A 1.0 ppb (2) 14.0 ppb (13) 0.5 ppb (6) N/A N/A 44.0
 
Jan. 14, 2021, 3 p.m. N/A 54.9 ppb (52) 86.2 ppb (86) 27.0 ppb (26) N/A 2.0 ppb (3) 3.0 ppb (3) 0.7 ppb (8) N/A N/A 86.0
 
Jan. 14, 2021, 2 p.m. N/A 54.7 ppb (52) 82.4 ppb (82) 24.0 ppb (23) N/A 2.0 ppb (3) 3.0 ppb (3) 0.7 ppb (8) N/A N/A 82.0
 
Jan. 14, 2021, 1 p.m. N/A 68.4 ppb (67) 95.5 ppb (96) 23.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 1.0 ppb (12) N/A N/A 96.0
 
Jan. 14, 2021, noon N/A 60.4 ppb (58) 87.9 ppb (88) 21.0 ppb (20) N/A 2.0 ppb (3) 0.0 ppb (0) 1.0 ppb (12) N/A N/A 88.0
 
Jan. 14, 2021, 11 a.m. N/A 25.8 ppb (25) 53.0 ppb (50) 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) 0.6 ppb (7) N/A N/A 50.0
 
Jan. 14, 2021, 10 a.m. N/A 35.2 ppb (34) 64.4 ppb (63) 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 63.0
 
Jan. 14, 2021, 9 a.m. N/A 40.7 ppb (39) 69.4 ppb (68) 24.0 ppb (23) N/A 1.0 ppb (2) 0.0 ppb (0) 0.7 ppb (8) N/A N/A 68.0
 
Jan. 14, 2021, 8 a.m. N/A 59.4 ppb (57) 90.1 ppb (90) 23.0 ppb (22) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) N/A N/A 90.0
 
Jan. 14, 2021, 7 a.m. N/A 44.9 ppb (43) 74.9 ppb (74) 24.0 ppb (23) N/A 2.0 ppb (3) 0.0 ppb (0) 0.8 ppb (10) N/A N/A 74.0
 
Jan. 14, 2021, 6 a.m. N/A 52.8 ppb (50) 85.1 ppb (85) 27.0 ppb (26) N/A 2.0 ppb (3) 0.0 ppb (0) 1.0 ppb (12) N/A N/A 85.0
 
Jan. 14, 2021, 5 a.m. N/A 78.0 ppb (77) 112.9 ppb (104) 29.0 ppb (28) N/A 2.0 ppb (3) 0.0 ppb (0) 1.1 ppb (13) N/A N/A 104.0
 
Jan. 14, 2021, 4 a.m. N/A 72.9 ppb (72) 108.9 ppb (103) 30.0 ppb (29) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 103.0
 
Jan. 14, 2021, 3 a.m. N/A 49.0 ppb (47) 85.5 ppb (85) 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 0.9 ppb (11) N/A N/A 85.0
 
Jan. 14, 2021, 2 a.m. N/A 32.8 ppb (31) 68.2 ppb (67) 31.0 ppb (30) N/A 1.0 ppb (2) 1.0 ppb (1) 0.7 ppb (8) N/A N/A 67.0
 
Jan. 14, 2021, 1 a.m. N/A 12.8 ppb (13) 48.3 ppb (46) 32.0 ppb (31) N/A 1.0 ppb (2) 1.0 ppb (1) 0.5 ppb (6) N/A N/A 46.0
 
Jan. 14, 2021, midnight N/A 2.8 ppb (3) 29.9 ppb (29) 28.0 ppb (27) N/A 0.0 ppb (0) 4.0 ppb (4) 0.4 ppb (5) N/A N/A 29.0
 
Jan. 13, 2021, 11 p.m. N/A 1.0 ppb (1) 20.8 ppb (20) 21.0 ppb (20) N/A 0.0 ppb (0) 15.0 ppb (14) 0.3 ppb (4) N/A N/A 20.0
 
Jan. 13, 2021, 10 p.m. N/A 0.9 ppb (1) 13.9 ppb (14) 14.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 13, 2021, 9 p.m. N/A 1.0 ppb (1) 8.8 ppb (9) 8.0 ppb (8) N/A 1.0 ppb (2) 33.0 ppb (31) 0.2 ppb (3) N/A N/A 31.0
 
Jan. 13, 2021, 8 p.m. N/A 1.1 ppb (2) 6.8 ppb (7) 5.0 ppb (5) N/A 1.0 ppb (2) 36.0 ppb (34) 0.1 ppb (2) N/A N/A 34.0
 
Jan. 13, 2021, 7 p.m. N/A 2.3 ppb (3) 9.0 ppb (9) 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) 0.1 ppb (2) N/A N/A 31.0
 
Jan. 13, 2021, 6 p.m. N/A 6.3 ppb (6) 18.9 ppb (18) 12.0 ppb (12) N/A 1.0 ppb (2) 27.0 ppb (25) 0.2 ppb (3) N/A N/A 25.0
 
Jan. 13, 2021, 5 p.m. N/A 12.3 ppb (12) 30.3 ppb (29) 18.0 ppb (17) N/A 1.0 ppb (2) 22.0 ppb (21) 0.2 ppb (3) N/A N/A 29.0
 
Jan. 13, 2021, 4 p.m. N/A 9.9 ppb (10) 25.7 ppb (25) 16.0 ppb (16) N/A 1.0 ppb (2) N/A 0.2 ppb (3) N/A N/A 25.0
 
Jan. 13, 2021, 3 p.m. N/A 45.0 ppb (43) 76.7 ppb (76) 31.0 ppb (30) N/A 3.0 ppb (5) N/A 0.4 ppb (5) N/A N/A 76.0
 
Jan. 13, 2021, 2 p.m. N/A 149.8 ppb (111) 192.8 ppb (119) 40.0 ppb (38) N/A 5.0 ppb (8) 2.0 ppb (2) 0.9 ppb (11) N/A N/A 119.0
 
Jan. 13, 2021, 1 p.m. N/A 207.4 ppb (122) 251.2 ppb (130) 39.0 ppb (37) N/A 6.0 ppb (9) N/A 1.6 ppb (19) N/A N/A 130.0
 
Jan. 13, 2021, noon N/A 202.0 ppb (121) 242.7 ppb (128) 32.0 ppb (31) N/A 5.0 ppb (8) N/A 1.6 ppb (19) N/A N/A 128.0
 
Jan. 13, 2021, 11 a.m. N/A 182.2 ppb (117) 220.1 ppb (124) 31.0 ppb (30) N/A 5.0 ppb (8) N/A 1.4 ppb (16) N/A N/A 124.0
 
Jan. 13, 2021, 10 a.m. N/A 167.5 ppb (114) 207.1 ppb (122) 32.0 ppb (31) N/A 4.0 ppb (6) 1.0 ppb (1) 1.4 ppb (16) N/A N/A 122.0
 
Jan. 13, 2021, 9 a.m. N/A 134.0 ppb (108) 167.0 ppb (114) 26.0 ppb (25) N/A N/A 1.0 ppb (1) 1.1 ppb (13) N/A N/A 114.0
 
Jan. 13, 2021, 8 a.m. N/A 110.2 ppb (103) 143.3 ppb (110) 26.0 ppb (25) N/A 3.0 ppb (5) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 110.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A 27.0 ppb (26) N/A 3.0 ppb (5) 1.0 ppb (1) 1.2 ppb (14) N/A N/A 26.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A 27.0 ppb (26) N/A 3.0 ppb (5) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 26.0
 
Jan. 13, 2021, 5 a.m. N/A 103.9 ppb (102) 138.0 ppb (108) 28.0 ppb (27) N/A 3.0 ppb (5) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 108.0
 
Jan. 13, 2021, 4 a.m. N/A 75.0 ppb (74) 109.6 ppb (103) 28.0 ppb (27) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 103.0
 
Jan. 13, 2021, 3 a.m. N/A 96.6 ppb (97) 132.6 ppb (107) 29.0 ppb (28) N/A 3.0 ppb (5) 1.0 ppb (1) 1.2 ppb (14) N/A N/A 107.0
 
Jan. 13, 2021, 2 a.m. N/A 80.7 ppb (80) 116.1 ppb (104) 28.0 ppb (27) N/A 2.0 ppb (3) 2.0 ppb (2) 1.0 ppb (12) N/A N/A 104.0
 
Jan. 13, 2021, 1 a.m. N/A 39.8 ppb (38) 73.6 ppb (72) 27.0 ppb (26) N/A 1.0 ppb (2) 1.0 ppb (1) 0.8 ppb (10) N/A N/A 72.0
 
Jan. 13, 2021, midnight N/A 20.0 ppb (19) 54.4 ppb (52) 29.0 ppb (28) N/A 1.0 ppb (2) 1.0 ppb (1) 0.6 ppb (7) N/A N/A 52.0
 
Jan. 12, 2021, 11 p.m. N/A 11.2 ppb (11) 44.2 ppb (42) 30.0 ppb (29) N/A 1.0 ppb (2) 1.0 ppb (1) 0.7 ppb (8) N/A N/A 42.0
 
Jan. 12, 2021, 10 p.m. N/A 7.0 ppb (7) 36.8 ppb (35) 29.0 ppb (28) N/A 0.0 ppb (0) 4.0 ppb (4) 0.5 ppb (6) N/A N/A 35.0
 
Jan. 12, 2021, 9 p.m. N/A 2.5 ppb (3) 20.1 ppb (19) 18.0 ppb (17) N/A 1.0 ppb (2) 17.0 ppb (16) 0.3 ppb (4) N/A N/A 19.0
 
Jan. 12, 2021, 8 p.m. N/A 1.5 ppb (2) 8.1 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0
 
Jan. 12, 2021, 7 p.m. N/A 1.9 ppb (2) 8.4 ppb (8) 6.0 ppb (6) N/A 1.0 ppb (2) 31.0 ppb (29) 0.1 ppb (2) N/A N/A 29.0
 
Jan. 12, 2021, 6 p.m. N/A 2.3 ppb (3) 8.8 ppb (9) 5.0 ppb (5) N/A N/A 30.0 ppb (28) 0.1 ppb (2) N/A N/A 28.0
 
Jan. 12, 2021, 5 p.m. N/A 3.2 ppb (4) 10.4 ppb (10) 6.0 ppb (6) N/A 1.0 ppb (2) N/A 0.1 ppb (2) N/A N/A 10.0
 
Jan. 12, 2021, 4 p.m. N/A 3.4 ppb (4) 11.3 ppb (11) 7.0 ppb (7) N/A 1.0 ppb (2) 25.0 ppb (24) 0.1 ppb (2) N/A N/A 24.0
 
Jan. 12, 2021, 3 p.m. N/A 3.4 ppb (4) 11.0 ppb (11) 7.0 ppb (7) N/A 1.0 ppb (2) 24.0 ppb (23) 0.2 ppb (3) N/A N/A 23.0
 
Jan. 12, 2021, 2 p.m. N/A 41.1 ppb (39) 63.2 ppb (61) 20.0 ppb (19) N/A 2.0 ppb (3) 11.0 ppb (11) 0.4 ppb (5) N/A N/A 61.0
 
Jan. 12, 2021, 1 p.m. N/A 151.6 ppb (111) 191.6 ppb (119) 31.0 ppb (30) N/A 5.0 ppb (8) N/A 1.3 ppb (15) N/A N/A 119.0
 
Jan. 12, 2021, noon N/A 169.1 ppb (114) 208.4 ppb (122) 29.0 ppb (28) N/A 5.0 ppb (8) 1.0 ppb (1) 1.8 ppb (21) N/A N/A 122.0
 
Jan. 12, 2021, 11 a.m. N/A 135.3 ppb (108) 169.1 ppb (114) 28.0 ppb (27) N/A 4.0 ppb (6) 1.0 ppb (1) 1.2 ppb (14) N/A N/A 114.0
 
Jan. 12, 2021, 10 a.m. N/A 131.9 ppb (107) 165.2 ppb (114) 28.0 ppb (27) N/A 4.0 ppb (6) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 114.0
 
Jan. 12, 2021, 9 a.m. N/A 133.7 ppb (108) 166.4 ppb (114) N/A N/A 4.0 ppb (6) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 114.0
 
Jan. 12, 2021, 8 a.m. N/A 114.3 ppb (104) 148.7 ppb (111) 25.0 ppb (24) N/A N/A 1.0 ppb (1) 1.1 ppb (13) N/A N/A 111.0
 
Jan. 12, 2021, 7 a.m. N/A 109.9 ppb (103) 141.8 ppb (109) 23.0 ppb (22) N/A 3.0 ppb (5) 1.0 ppb (1) N/A N/A N/A 109.0
 
Jan. 12, 2021, 6 a.m. N/A 85.9 ppb (85) 122.1 ppb (105) 25.0 ppb (24) N/A 3.0 ppb (5) 1.0 ppb (1) 1.0 ppb (12) N/A N/A 105.0
 
Jan. 12, 2021, 5 a.m. N/A 145.6 ppb (110) 181.9 ppb (117) 24.0 ppb (23) N/A 3.0 ppb (5) 1.0 ppb (1) 1.2 ppb (14) N/A N/A 117.0
 
Jan. 12, 2021, 4 a.m. N/A 100.7 ppb (101) 133.4 ppb (108) 22.0 ppb (21) N/A 3.0 ppb (5) 1.0 ppb (1) 1.4 ppb (16) N/A N/A 108.0
 
Jan. 12, 2021, 3 a.m. N/A 93.3 ppb (93) 125.5 ppb (106) 24.0 ppb (23) N/A 3.0 ppb (5) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 106.0
 
Jan. 12, 2021, 2 a.m. N/A 88.7 ppb (88) 121.5 ppb (105) 24.0 ppb (23) N/A 2.0 ppb (3) 1.0 ppb (1) 1.1 ppb (13) N/A N/A 105.0
 
Jan. 12, 2021, 1 a.m. N/A 62.5 ppb (61) 95.9 ppb (96) 25.0 ppb (24) N/A 1.0 ppb (2) 1.0 ppb (1) 0.9 ppb (11) N/A N/A 96.0
 
Jan. 12, 2021, midnight N/A 29.9 ppb (29) 62.4 ppb (60) 26.0 ppb (25) N/A 1.0 ppb (2) 2.0 ppb (2) 0.8 ppb (10) N/A N/A 60.0
 
Jan. 11, 2021, 11 p.m. N/A 17.8 ppb (17) 48.8 ppb (47) 27.0 ppb (26) N/A 1.0 ppb (2) 2.0 ppb (2) 0.7 ppb (8) N/A N/A 47.0
 
Jan. 11, 2021, 10 p.m. N/A 3.5 ppb (4) 26.5 ppb (25) 24.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (7) 0.4 ppb (5) N/A N/A 25.0
 
Jan. 11, 2021, 9 p.m. N/A 4.6 ppb (5) 17.7 ppb (17) 15.0 ppb (15) N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) N/A N/A 17.0
 
Jan. 11, 2021, 8 p.m. N/A 2.4 ppb (3) 14.6 ppb (14) 13.0 ppb (13) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A N/A 18.0
 
Jan. 11, 2021, 7 p.m. N/A 2.5 ppb (3) 14.2 ppb (14) 12.0 ppb (12) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A N/A 19.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A 9.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A N/A 21.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A 10.0 ppb (10) N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A N/A 20.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A 11.0 ppb (11) N/A 0.0 ppb (0) 17.0 ppb (16) 0.3 ppb (4) N/A N/A 16.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A 16.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (12) 0.3 ppb (4) N/A N/A 16.0
 
Jan. 11, 2021, 2 p.m. N/A 20.7 ppb (20) 44.8 ppb (43) 24.0 ppb (23) N/A 1.0 ppb (2) N/A 0.4 ppb (5) N/A N/A 43.0
 
Jan. 11, 2021, 1 p.m. N/A 30.5 ppb (29) 59.3 ppb (57) 27.0 ppb (26) N/A 1.0 ppb (2) 2.0 ppb (2) 0.6 ppb (7) N/A N/A 57.0
 
Jan. 11, 2021, noon N/A 39.9 ppb (38) 67.5 ppb (66) 25.0 ppb (24) N/A 2.0 ppb (3) 1.0 ppb (1) 0.9 ppb (11) N/A N/A 66.0
 
Jan. 11, 2021, 11 a.m. N/A 54.0 ppb (51) 81.7 ppb (81) 26.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 1.2 ppb (14) N/A N/A 81.0
 
Jan. 11, 2021, 10 a.m. N/A 82.4 ppb (82) 113.5 ppb (104) 26.0 ppb (25) N/A 2.0 ppb (3) 1.0 ppb (1) 0.8 ppb (10) N/A N/A 104.0