AQSQID: 240053001

Site Name: Essex

Location: Essex (N Woodward Dr), MD

Reporting: True, Located: True

Current AQI: 31.0

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
April 6, 2020, 3 a.m. N/A 0.0 ppb (0) 4.5 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 6, 2020, 2 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 6, 2020, 1 a.m. N/A 0.1 ppb (0) 2.6 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 6, 2020, midnight N/A 0.2 ppb (0) 3.2 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 5, 2020, 11 p.m. N/A 0.2 ppb (0) 4.3 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
April 5, 2020, 10 p.m. N/A 0.3 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
April 5, 2020, 9 p.m. N/A 0.5 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 5, 2020, 8 p.m. N/A 0.5 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 5, 2020, 7 p.m. N/A 0.5 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 5, 2020, 6 p.m. N/A 0.4 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 5, 2020, 5 p.m. N/A 0.7 ppb (1) 3.8 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 5, 2020, 4 p.m. N/A 1.3 ppb (1) 5.8 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
April 5, 2020, 3 p.m. N/A 1.8 ppb (2) 6.7 ppb (6) 5.0 ppb (5) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
April 5, 2020, 2 p.m. N/A 1.8 ppb (2) 6.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
April 5, 2020, 1 p.m. N/A 2.1 ppb (2) 8.1 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
April 5, 2020, noon N/A 1.5 ppb (1) 10.5 ppb (10) 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
April 5, 2020, 11 a.m. N/A 1.7 ppb (2) 12.8 ppb (12) 13.0 ppb (12) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
April 5, 2020, 10 a.m. N/A 0.1 ppb (0) 8.1 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
April 5, 2020, 9 a.m. N/A 0.1 ppb (0) 6.6 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
April 5, 2020, 8 a.m. N/A 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
April 5, 2020, 7 a.m. N/A 0.0 ppb (0) 4.4 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
April 5, 2020, 6 a.m. N/A 0.0 ppb (0) 5.4 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
April 5, 2020, 5 a.m. N/A 0.0 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
April 5, 2020, 4 a.m. N/A 0.0 ppb (0) 6.3 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
April 5, 2020, 3 a.m. N/A 0.0 ppb (0) 5.6 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
April 5, 2020, 2 a.m. N/A 0.0 ppb (0) 6.5 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
April 5, 2020, 1 a.m. N/A 0.0 ppb (0) 5.8 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
April 5, 2020, midnight N/A 0.0 ppb (0) 5.2 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
April 4, 2020, 11 p.m. N/A 0.2 ppb (0) 3.7 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 4, 2020, 10 p.m. N/A 0.3 ppb (0) 3.8 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 4, 2020, 9 p.m. N/A 0.6 ppb (1) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
April 4, 2020, 8 p.m. N/A 0.2 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
April 4, 2020, 7 p.m. N/A 0.3 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 4, 2020, 6 p.m. N/A 0.3 ppb (0) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
April 4, 2020, 5 p.m. N/A 0.2 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
April 4, 2020, 4 p.m. N/A 0.3 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 4, 2020, 3 p.m. N/A 0.3 ppb (0) 1.7 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
 
April 4, 2020, 2 p.m. N/A 0.3 ppb (0) 1.7 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
 
April 4, 2020, 1 p.m. N/A 0.6 ppb (1) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
April 4, 2020, noon N/A 0.5 ppb (0) 2.7 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
April 4, 2020, 11 a.m. N/A 0.3 ppb (0) 3.5 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
April 4, 2020, 10 a.m. N/A 0.1 ppb (0) 2.5 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
April 4, 2020, 9 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
April 4, 2020, 8 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
April 4, 2020, 7 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A N/A 23.0
 
April 4, 2020, 6 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A N/A 24.0
 
April 4, 2020, 5 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A N/A 24.0
 
April 4, 2020, 4 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 4, 2020, 3 a.m. N/A 0.0 ppb (0) 1.2 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 4, 2020, 2 a.m. N/A 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
April 4, 2020, 1 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
April 4, 2020, midnight N/A 0.0 ppb (0) 1.1 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 3, 2020, 11 p.m. N/A 0.1 ppb (0) 1.3 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 3, 2020, 10 p.m. N/A 0.2 ppb (0) 1.4 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 3, 2020, 9 p.m. N/A 0.3 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 3, 2020, 8 p.m. N/A 0.4 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 3, 2020, 7 p.m. N/A 0.3 ppb (0) 2.2 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
 
April 3, 2020, 6 p.m. N/A 0.4 ppb (0) 2.2 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
 
April 3, 2020, 5 p.m. N/A 0.5 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
 
April 3, 2020, 4 p.m. N/A 0.7 ppb (1) 2.5 ppb (2) 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 3, 2020, 3 p.m. N/A 0.6 ppb (1) 2.3 ppb (2) 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 3, 2020, 2 p.m. N/A 0.6 ppb (1) 2.5 ppb (2) 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 3, 2020, 1 p.m. N/A 0.7 ppb (1) 2.6 ppb (2) 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 3, 2020, noon N/A 0.6 ppb (1) 3.3 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 3, 2020, 11 a.m. N/A 0.3 ppb (0) 3.6 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 3, 2020, 10 a.m. N/A 0.2 ppb (0) 3.8 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 3, 2020, 9 a.m. N/A 0.2 ppb (0) 2.8 ppb (3) 4.0 ppb (4) N/A N/A 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 3, 2020, 8 a.m. N/A 0.4 ppb (0) 3.1 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
April 3, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 3, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 3, 2020, 5 a.m. N/A 0.0 ppb (0) 1.7 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
 
April 3, 2020, 4 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
April 3, 2020, 3 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 3, 2020, 2 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
April 3, 2020, 1 a.m. N/A 0.0 ppb (0) 2.5 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
April 3, 2020, midnight N/A 0.1 ppb (0) 1.9 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
April 2, 2020, 11 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
April 2, 2020, 10 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 2, 2020, 9 p.m. N/A 0.2 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 2, 2020, 8 p.m. N/A 0.3 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.1 ppb (1) N/A N/A 38.0
 
April 2, 2020, 7 p.m. N/A 0.4 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 2, 2020, 6 p.m. N/A 0.3 ppb (0) 1.7 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 2, 2020, 5 p.m. N/A 0.5 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
April 2, 2020, 4 p.m. N/A 0.4 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
April 2, 2020, 3 p.m. N/A 0.5 ppb (0) 2.3 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
April 2, 2020, 2 p.m. N/A 0.6 ppb (1) 2.9 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 2, 2020, 1 p.m. N/A 0.9 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
April 2, 2020, noon N/A 1.2 ppb (1) 6.2 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 2, 2020, 11 a.m. N/A 1.2 ppb (1) 11.1 ppb (10) 11.0 ppb (10) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
April 2, 2020, 10 a.m. N/A 0.6 ppb (1) 10.1 ppb (9) 11.0 ppb (10) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
April 2, 2020, 9 a.m. N/A 0.2 ppb (0) 5.7 ppb (5) 7.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 2, 2020, 8 a.m. N/A 0.3 ppb (0) 5.9 ppb (5) 6.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 2, 2020, 7 a.m. N/A 0.0 ppb (0) 4.8 ppb (4) 5.0 ppb (5) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
April 2, 2020, 6 a.m. N/A 0.0 ppb (0) 3.7 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 2, 2020, 5 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
April 2, 2020, 4 a.m. N/A 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
April 2, 2020, 3 a.m. N/A 0.2 ppb (0) 9.6 ppb (9) 11.0 ppb (10) N/A 1.0 ppb (1) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
April 2, 2020, 2 a.m. N/A 0.1 ppb (0) 11.6 ppb (11) 14.0 ppb (13) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
April 2, 2020, 1 a.m. N/A 0.3 ppb (0) 12.8 ppb (12) 15.0 ppb (14) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
April 2, 2020, midnight N/A 1.1 ppb (1) 14.4 ppb (13) 16.0 ppb (15) N/A 1.0 ppb (1) 19.0 ppb (15) 0.3 ppb (3) N/A N/A 15.0
 
April 1, 2020, 11 p.m. N/A 0.5 ppb (0) 6.5 ppb (6) 7.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
April 1, 2020, 10 p.m. N/A 0.3 ppb (0) 5.3 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
April 1, 2020, 9 p.m. N/A 0.5 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
April 1, 2020, 8 p.m. N/A 0.5 ppb (0) 3.9 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 1, 2020, 7 p.m. N/A 0.7 ppb (1) 4.4 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 1, 2020, 6 p.m. N/A 0.6 ppb (1) 4.5 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 1, 2020, 5 p.m. N/A 0.6 ppb (1) 4.5 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 1, 2020, 4 p.m. N/A 0.7 ppb (1) 4.5 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 1, 2020, 3 p.m. N/A 0.5 ppb (0) 4.0 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
April 1, 2020, 2 p.m. N/A 0.8 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 1, 2020, 1 p.m. N/A 0.7 ppb (1) 4.3 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
April 1, 2020, noon N/A 0.8 ppb (1) 6.3 ppb (6) 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
April 1, 2020, 11 a.m. N/A 0.9 ppb (1) 10.2 ppb (9) 10.0 ppb (9) N/A 1.0 ppb (1) 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
April 1, 2020, 10 a.m. N/A 0.3 ppb (0) 6.3 ppb (6) 6.0 ppb (6) N/A 1.0 ppb (1) 34.0 ppb (26) 0.1 ppb (1) N/A N/A 26.0
 
April 1, 2020, 9 a.m. N/A 0.3 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 1, 2020, 8 a.m. N/A 0.0 ppb (0) 3.8 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
April 1, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
April 1, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 1, 2020, 5 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 1, 2020, 4 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
April 1, 2020, 3 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 1, 2020, 2 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
April 1, 2020, 1 a.m. N/A 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
April 1, 2020, midnight N/A 0.1 ppb (0) 1.9 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 31, 2020, 11 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 31, 2020, 10 p.m. N/A 0.2 ppb (0) 2.5 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 31, 2020, 9 p.m. N/A 0.5 ppb (0) 3.7 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 31, 2020, 8 p.m. N/A 0.1 ppb (0) 1.8 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
 
March 31, 2020, 7 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 31, 2020, 6 p.m. N/A 0.3 ppb (0) 1.9 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 31, 2020, 5 p.m. N/A 0.6 ppb (1) 3.4 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
March 31, 2020, 4 p.m. N/A 0.9 ppb (1) 4.0 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
March 31, 2020, 3 p.m. N/A 0.7 ppb (1) 3.7 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
March 31, 2020, 2 p.m. N/A 0.9 ppb (1) 3.9 ppb (4) 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
March 31, 2020, 1 p.m. N/A 0.6 ppb (1) 3.9 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A N/A 21.0
 
March 31, 2020, noon N/A 0.5 ppb (0) 5.6 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A N/A 19.0
 
March 31, 2020, 11 a.m. N/A 0.7 ppb (1) 10.5 ppb (10) 12.0 ppb (11) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
March 31, 2020, 10 a.m. N/A 0.3 ppb (0) 11.5 ppb (11) 13.0 ppb (12) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
March 31, 2020, 9 a.m. N/A 0.1 ppb (0) 6.6 ppb (6) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A N/A 18.0
 
March 31, 2020, 8 a.m. N/A 0.1 ppb (0) 4.7 ppb (4) 6.0 ppb (6) N/A N/A 26.0 ppb (20) 0.1 ppb (1) N/A N/A 20.0
 
March 31, 2020, 7 a.m. N/A 0.1 ppb (0) 3.5 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A N/A 22.0
 
March 31, 2020, 6 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A N/A 22.0
 
March 31, 2020, 5 a.m. N/A 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A N/A 24.0
 
March 31, 2020, 4 a.m. N/A 0.1 ppb (0) 2.4 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
March 31, 2020, 3 a.m. N/A 0.0 ppb (0) 2.3 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
March 31, 2020, 2 a.m. N/A 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) 0.1 ppb (1) N/A N/A 28.0
 
March 31, 2020, 1 a.m. N/A 0.0 ppb (0) 3.3 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
March 31, 2020, midnight N/A 0.0 ppb (0) 3.6 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
March 30, 2020, 11 p.m. N/A 0.1 ppb (0) 3.9 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
March 30, 2020, 10 p.m. N/A 0.3 ppb (0) 3.5 ppb (3) 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 30, 2020, 9 p.m. N/A 0.4 ppb (0) 3.5 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 30, 2020, 8 p.m. N/A 0.2 ppb (0) 4.1 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 30, 2020, 7 p.m. N/A 0.5 ppb (0) 3.4 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
March 30, 2020, 6 p.m. N/A 0.5 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A N/A 33.0
 
March 30, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 30, 2020, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
March 30, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 30, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
March 30, 2020, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
March 30, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) N/A N/A 13.0
 
March 30, 2020, 11 a.m. N/A 3.5 ppb (3) 16.8 ppb (16) 14.0 ppb (13) N/A 1.0 ppb (1) 8.0 ppb (6) 0.3 ppb (3) N/A N/A 16.0
 
March 30, 2020, 10 a.m. N/A 0.8 ppb (1) 11.4 ppb (11) 12.0 ppb (11) N/A 1.0 ppb (1) 12.0 ppb (9) 0.2 ppb (2) N/A N/A 11.0
 
March 30, 2020, 9 a.m. N/A 0.7 ppb (1) 6.9 ppb (6) 6.0 ppb (6) N/A N/A 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
March 30, 2020, 8 a.m. N/A 0.0 ppb (0) 3.9 ppb (4) 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
March 30, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
March 30, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A N/A 17.0
 
March 30, 2020, 5 a.m. N/A 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) 0.2 ppb (2) N/A N/A 16.0
 
March 30, 2020, 4 a.m. N/A 0.1 ppb (0) 3.3 ppb (3) 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0