AQSQID: 510870014

Site Name: Math & Science Ctr

Location: Henrico Co, VA

Reporting: True, Located: True

Current AQI: 35.0

Henrico Co VA, US: 37.5583, -77.400299

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 21, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A N/A 40.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A N/A 42.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A N/A 41.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A N/A 40.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) N/A N/A 12.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.4 ppb (4) N/A N/A 4.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 4.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A N/A 4.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A N/A 4.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.4 ppb (4) N/A N/A 4.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A N/A 8.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) N/A N/A 10.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A N/A 8.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.3 ppb (3) N/A N/A 22.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A N/A 36.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) N/A N/A 39.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) N/A N/A 40.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) N/A N/A 39.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.3 ppb (3) N/A N/A 19.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.4 ppb (4) N/A N/A 7.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 4.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) N/A N/A 4.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A N/A 3.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A N/A 3.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) 0.3 ppb (3) N/A N/A 3.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A N/A 4.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A N/A 4.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.3 ppb (3) N/A N/A 7.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) N/A N/A 15.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A N/A 25.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A N/A 19.0
 
March 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
March 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
March 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A N/A 21.0
 
March 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
March 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A N/A 8.0
 
March 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A N/A 16.0
 
March 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.3 ppb (3) N/A N/A 27.0
 
March 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
March 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
March 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
March 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
March 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A N/A 37.0
 
March 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A N/A 36.0
 
March 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A N/A 34.0
 
March 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
March 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A N/A 29.0
 
March 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
March 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
March 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0
 
March 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A N/A 1.0
 
March 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
March 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
March 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
March 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A N/A 17.0
 
March 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A N/A 18.0
 
March 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A N/A 20.0
 
March 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.2 ppb (2) N/A N/A 22.0
 
March 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A N/A 24.0
 
March 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
March 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
March 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A N/A 31.0
 
March 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
March 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
March 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A N/A 27.0
 
March 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A N/A 28.0
 
March 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
March 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A N/A 36.0
 
March 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A N/A 35.0
 
March 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A N/A 37.0
 
March 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.2 ppb (2) N/A N/A 41.0
 
March 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.2 ppb (2) N/A N/A 44.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A N/A 42.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) N/A N/A 39.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.2 ppb (2) N/A N/A 38.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A N/A 36.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.2 ppb (2) N/A N/A 30.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) N/A N/A 26.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.3 ppb (3) N/A N/A 17.0
 
March 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.3 ppb (3) N/A N/A 18.0
 
March 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.3 ppb (3) N/A N/A 24.0
 
March 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0
 
March 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A N/A 33.0
 
March 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A N/A 34.0
 
March 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) N/A N/A 29.0
 
March 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
March 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
March 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) N/A N/A 32.0