AQSQID: 131210056

Site Name: Nr-Georgia Tech

Location: Atlanta (6th St Nwest), GA

Reporting: True, Located: True

Current AQI: 22.0

Atlanta (6th St Nwest) GA, US: 33.778315, -84.391418

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 20, 2019, 3 a.m. 23.6 ppb (22) 6.0 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 22.0
 
March 20, 2019, 2 a.m. 40.9 ppb (38) 13.9 ppb (13) N/A 27.0 ppb (25) N/A N/A N/A 0.7 ppb (8) N/A N/A 38.0
 
March 20, 2019, 1 a.m. 54.9 ppb (51) 25.0 ppb (23) N/A 30.0 ppb (28) N/A N/A N/A 0.8 ppb (9) N/A N/A 51.0
 
March 20, 2019, midnight 51.6 ppb (48) 20.9 ppb (19) N/A 31.0 ppb (29) N/A N/A N/A 0.8 ppb (9) N/A N/A 48.0
 
March 19, 2019, 11 p.m. 70.7 ppb (68) 39.1 ppb (36) N/A 32.0 ppb (30) N/A N/A N/A 0.8 ppb (9) N/A N/A 68.0
 
March 19, 2019, 10 p.m. 23.1 ppb (21) 11.8 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
March 19, 2019, 9 p.m. 23.7 ppb (22) 12.2 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 22.0
 
March 19, 2019, 8 p.m. 33.8 ppb (31) 20.2 ppb (19) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A N/A 31.0
 
March 19, 2019, 7 p.m. 29.9 ppb (28) 18.0 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 28.0
 
March 19, 2019, 6 p.m. 43.3 ppb (40) 27.7 ppb (26) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 40.0
 
March 19, 2019, 5 p.m. 53.5 ppb (50) 34.3 ppb (32) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 50.0
 
March 19, 2019, 4 p.m. 58.2 ppb (54) 39.1 ppb (36) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 54.0
 
March 19, 2019, 3 p.m. 42.7 ppb (40) 27.7 ppb (26) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) N/A N/A 40.0
 
March 19, 2019, 2 p.m. 49.1 ppb (45) 32.2 ppb (30) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A N/A 45.0
 
March 19, 2019, 1 p.m. 51.4 ppb (48) 30.4 ppb (28) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 48.0
 
March 19, 2019, noon 53.1 ppb (49) 29.8 ppb (28) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 49.0
 
March 19, 2019, 11 a.m. 38.0 ppb (35) 15.9 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 35.0
 
March 19, 2019, 10 a.m. 58.0 ppb (54) 31.3 ppb (29) N/A 27.0 ppb (25) N/A N/A N/A 0.6 ppb (7) N/A N/A 54.0
 
March 19, 2019, 9 a.m. 30.8 ppb (29) 11.2 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 29.0
 
March 19, 2019, 8 a.m. 25.3 ppb (23) 10.0 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A N/A 23.0
 
March 19, 2019, 7 a.m. 24.0 ppb (22) 8.2 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) N/A N/A 22.0
 
March 19, 2019, 6 a.m. 7.7 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
March 19, 2019, 5 a.m. 7.5 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 7.0
 
March 19, 2019, 4 a.m. 18.1 ppb (17) 6.6 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A N/A 17.0
 
March 19, 2019, 3 a.m. 29.8 ppb (28) 13.8 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 28.0
 
March 19, 2019, 2 a.m. 30.3 ppb (28) 14.4 ppb (13) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 28.0
 
March 19, 2019, 1 a.m. 14.0 ppb (13) 6.7 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 13.0
 
March 19, 2019, midnight 14.3 ppb (13) 7.2 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 13.0
 
March 18, 2019, 11 p.m. 17.2 ppb (16) 9.6 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 16.0
 
March 18, 2019, 10 p.m. 20.0 ppb (19) 13.3 ppb (12) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 19.0
 
March 18, 2019, 9 p.m. 18.5 ppb (17) 11.7 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 17.0
 
March 18, 2019, 8 p.m. 17.8 ppb (16) 11.4 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 16.0
 
March 18, 2019, 7 p.m. 35.1 ppb (32) 22.2 ppb (21) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 32.0
 
March 18, 2019, 6 p.m. 35.6 ppb (33) 21.7 ppb (20) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A N/A 33.0
 
March 18, 2019, 5 p.m. 27.7 ppb (26) 17.0 ppb (16) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 26.0
 
March 18, 2019, 4 p.m. 27.9 ppb (26) 18.3 ppb (17) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 26.0
 
March 18, 2019, 3 p.m. 33.8 ppb (31) 22.7 ppb (21) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 31.0
 
March 18, 2019, 2 p.m. 58.0 ppb (54) 37.0 ppb (34) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 54.0
 
March 18, 2019, 1 p.m. 73.3 ppb (71) 45.0 ppb (42) N/A 28.0 ppb (26) N/A N/A N/A 0.6 ppb (7) N/A N/A 71.0
 
March 18, 2019, noon 53.4 ppb (49) 24.6 ppb (23) N/A 29.0 ppb (27) N/A N/A N/A 0.5 ppb (6) N/A N/A 49.0
 
March 18, 2019, 11 a.m. 19.4 ppb (18) 4.9 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A N/A 18.0
 
March 18, 2019, 10 a.m. 33.6 ppb (31) 16.2 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 31.0
 
March 18, 2019, 9 a.m. 27.1 ppb (25) 9.5 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.3 ppb (3) N/A N/A 25.0
 
March 18, 2019, 8 a.m. 19.0 ppb (18) 2.1 ppb (2) N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A N/A 18.0
 
March 18, 2019, 7 a.m. 53.6 ppb (50) 16.3 ppb (15) N/A 37.0 ppb (34) N/A N/A N/A 0.3 ppb (3) N/A N/A 50.0
 
March 18, 2019, 6 a.m. 19.8 ppb (18) 1.8 ppb (2) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 18.0
 
March 18, 2019, 5 a.m. 30.9 ppb (29) 5.4 ppb (5) N/A 26.0 ppb (24) N/A N/A N/A N/A N/A N/A 29.0
 
March 18, 2019, 4 a.m. 52.0 ppb (48) 11.3 ppb (10) N/A 41.0 ppb (38) N/A N/A N/A 0.5 ppb (6) N/A N/A 48.0
 
March 18, 2019, 3 a.m. 42.1 ppb (39) 10.2 ppb (9) N/A 32.0 ppb (30) N/A N/A N/A 0.7 ppb (8) N/A N/A 39.0
 
March 18, 2019, 2 a.m. 31.2 ppb (29) 9.1 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 29.0
 
March 18, 2019, 1 a.m. 12.6 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 12.0
 
March 18, 2019, midnight 36.3 ppb (34) 14.9 ppb (14) N/A 21.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A N/A 34.0
 
March 17, 2019, 11 p.m. 28.4 ppb (26) 14.3 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A N/A 26.0
 
March 17, 2019, 10 p.m. 17.0 ppb (16) 10.1 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 16.0
 
March 17, 2019, 9 p.m. 21.3 ppb (20) 14.8 ppb (14) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 20.0
 
March 17, 2019, 8 p.m. 24.8 ppb (23) 14.5 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 23.0
 
March 17, 2019, 7 p.m. 23.8 ppb (22) 13.5 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 17, 2019, 1 p.m. 27.3 ppb (25) 14.0 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 25.0
 
March 17, 2019, noon 14.9 ppb (14) 5.5 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 14.0
 
March 17, 2019, 11 a.m. 12.0 ppb (11) 4.4 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A N/A 11.0
 
March 17, 2019, 10 a.m. 11.6 ppb (11) 4.7 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 11.0
 
March 17, 2019, 9 a.m. 13.8 ppb (13) 5.6 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A N/A 13.0
 
March 17, 2019, 8 a.m. 10.1 ppb (9) 6.1 ppb (6) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 9.0
 
March 17, 2019, 7 a.m. 13.6 ppb (13) 7.3 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 13.0
 
March 17, 2019, 6 a.m. 19.2 ppb (18) 9.5 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 18.0
 
March 17, 2019, 5 a.m. 11.2 ppb (10) 5.4 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A N/A 10.0
 
March 17, 2019, 4 a.m. 18.4 ppb (17) 8.6 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
March 17, 2019, 3 a.m. 11.4 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 11.0
 
March 17, 2019, 2 a.m. 20.9 ppb (19) 6.3 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
March 17, 2019, 1 a.m. 18.1 ppb (17) 7.6 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
March 17, 2019, midnight 18.8 ppb (17) 9.4 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
March 16, 2019, 11 p.m. 15.4 ppb (14) 8.9 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 14.0
 
March 16, 2019, 10 p.m. 16.7 ppb (15) 10.8 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 15.0
 
March 16, 2019, 9 p.m. 22.7 ppb (21) 14.2 ppb (13) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
March 16, 2019, 8 p.m. 19.4 ppb (18) 13.2 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
March 16, 2019, 7 p.m. 21.8 ppb (20) 15.4 ppb (14) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 20.0
 
March 16, 2019, 6 p.m. 19.7 ppb (18) 13.6 ppb (13) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
March 16, 2019, 5 p.m. 17.5 ppb (16) 11.9 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 16.0
 
March 16, 2019, 4 p.m. 18.4 ppb (17) 13.4 ppb (12) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
March 16, 2019, 3 p.m. 20.5 ppb (19) 14.7 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
March 16, 2019, 2 p.m. 22.3 ppb (21) 14.8 ppb (14) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
March 16, 2019, 1 p.m. 19.9 ppb (18) 12.1 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
March 16, 2019, noon 20.5 ppb (19) 11.9 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
March 16, 2019, 11 a.m. 23.2 ppb (21) 13.4 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 21.0
 
March 16, 2019, 10 a.m. 11.7 ppb (11) 7.3 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A N/A 11.0
 
March 16, 2019, 9 a.m. 6.2 ppb (6) 4.3 ppb (4) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 6.0
 
March 16, 2019, 8 a.m. 7.1 ppb (7) 5.0 ppb (5) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 7.0
 
March 16, 2019, 7 a.m. 3.5 ppb (3) 4.2 ppb (4) N/A -1.0 ppb (0) N/A N/A N/A 0.3 ppb (3) N/A N/A 4.0
 
March 16, 2019, 6 a.m. 2.9 ppb (3) 3.4 ppb (3) N/A -1.0 ppb (0) N/A N/A N/A N/A N/A N/A 3.0
 
March 16, 2019, 5 a.m. 4.4 ppb (4) 4.2 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A N/A N/A N/A 4.0
 
March 16, 2019, 4 a.m. 6.2 ppb (6) 4.6 ppb (4) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A N/A 6.0
 
March 16, 2019, 3 a.m. 17.8 ppb (16) 10.7 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
March 16, 2019, 2 a.m. 28.5 ppb (26) 16.4 ppb (15) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A N/A 26.0
 
March 16, 2019, 1 a.m. 38.9 ppb (36) 21.5 ppb (20) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A N/A 36.0
 
March 16, 2019, midnight 39.2 ppb (36) 22.8 ppb (21) N/A 16.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A N/A 36.0
 
March 15, 2019, 11 p.m. 39.6 ppb (37) 24.6 ppb (23) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) N/A N/A 37.0
 
March 15, 2019, 10 p.m. 40.5 ppb (38) 26.7 ppb (25) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A N/A 38.0
 
March 15, 2019, 9 p.m. 32.5 ppb (30) 21.5 ppb (20) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 30.0
 
March 15, 2019, 8 p.m. 23.5 ppb (22) 16.5 ppb (15) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
March 15, 2019, 7 p.m. 19.9 ppb (18) 13.5 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
March 15, 2019, 6 p.m. 38.4 ppb (36) 26.5 ppb (25) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A N/A 36.0
 
March 15, 2019, 5 p.m. 44.6 ppb (41) 31.1 ppb (29) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 41.0
 
March 15, 2019, 4 p.m. 52.1 ppb (48) 34.4 ppb (32) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 48.0
 
March 15, 2019, 3 p.m. 53.9 ppb (50) 35.2 ppb (33) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A N/A 50.0
 
March 15, 2019, 2 p.m. 43.4 ppb (40) 28.2 ppb (26) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) N/A N/A 40.0
 
March 15, 2019, 1 p.m. 47.1 ppb (44) 33.9 ppb (31) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A N/A 44.0
 
March 15, 2019, noon 27.0 ppb (25) 15.5 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 25.0
 
March 15, 2019, 11 a.m. 31.8 ppb (29) 23.0 ppb (21) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 29.0
 
March 15, 2019, 10 a.m. 29.8 ppb (28) 20.6 ppb (19) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 28.0
 
March 15, 2019, 9 a.m. 23.1 ppb (21) 16.0 ppb (15) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 21.0
 
March 15, 2019, 8 a.m. 14.0 ppb (13) 8.0 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 13.0
 
March 15, 2019, 7 a.m. 18.3 ppb (17) 10.6 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
March 15, 2019, 6 a.m. 8.0 ppb (7) 4.5 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A N/A 7.0
 
March 15, 2019, 5 a.m. 10.0 ppb (9) 5.2 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A N/A 9.0
 
March 15, 2019, 4 a.m. 23.9 ppb (22) 13.3 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
March 15, 2019, 3 a.m. 29.8 ppb (28) 15.4 ppb (14) N/A 14.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A N/A 28.0
 
March 15, 2019, 2 a.m. 36.8 ppb (34) 21.0 ppb (19) N/A 16.0 ppb (15) N/A N/A N/A 0.8 ppb (9) N/A N/A 34.0
 
March 15, 2019, 1 a.m. 35.8 ppb (33) 20.8 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A 0.9 ppb (10) N/A N/A 33.0
 
March 15, 2019, midnight 42.5 ppb (39) 23.4 ppb (22) N/A 19.0 ppb (18) N/A N/A N/A 0.9 ppb (10) N/A N/A 39.0
 
March 14, 2019, 11 p.m. 60.6 ppb (57) 36.5 ppb (34) N/A 24.0 ppb (22) N/A N/A N/A 0.9 ppb (10) N/A N/A 57.0
 
March 14, 2019, 10 p.m. 50.2 ppb (46) 28.1 ppb (26) N/A 22.0 ppb (20) N/A N/A N/A 0.8 ppb (9) N/A N/A 46.0
 
March 14, 2019, 9 p.m. 27.8 ppb (26) 13.8 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A N/A 26.0
 
March 14, 2019, 8 p.m. 24.8 ppb (23) 13.8 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 23.0
 
March 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
March 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
March 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) N/A N/A 8.0
 
March 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.7 ppb (8) N/A N/A 8.0
 
March 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) N/A N/A 9.0
 
March 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) N/A N/A 9.0
 
March 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (9) N/A N/A 9.0
 
March 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (10) N/A N/A 10.0
 
March 14, 2019, 10 a.m. 56.9 ppb (53) 36.6 ppb (34) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A N/A 53.0
 
March 14, 2019, 9 a.m. 37.5 ppb (35) 21.4 ppb (20) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 35.0
 
March 14, 2019, 8 a.m. 25.9 ppb (24) 14.5 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 24.0
 
March 14, 2019, 7 a.m. 19.4 ppb (18) 10.2 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
March 14, 2019, 6 a.m. 18.9 ppb (18) 9.4 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 18.0
 
March 14, 2019, 5 a.m. 21.7 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 20.0
 
March 14, 2019, 4 a.m. 26.5 ppb (25) 11.7 ppb (11) N/A 15.0 ppb (14) N/A N/A N/A 0.6 ppb (7) N/A N/A 25.0
 
March 14, 2019, 3 a.m. 37.3 ppb (35) 17.4 ppb (16) N/A 20.0 ppb (19) N/A N/A N/A 0.8 ppb (9) N/A N/A 35.0
 
March 14, 2019, 2 a.m. 40.0 ppb (37) 18.1 ppb (17) N/A 22.0 ppb (20) N/A N/A N/A 0.8 ppb (9) N/A N/A 37.0
 
March 14, 2019, 1 a.m. 44.3 ppb (41) 20.3 ppb (19) N/A 24.0 ppb (22) N/A N/A N/A 0.8 ppb (9) N/A N/A 41.0
 
March 14, 2019, midnight 51.2 ppb (47) 23.4 ppb (22) N/A 28.0 ppb (26) N/A N/A N/A 0.9 ppb (10) N/A N/A 47.0
 
March 13, 2019, 11 p.m. 43.2 ppb (40) 17.8 ppb (16) N/A 25.0 ppb (23) N/A N/A N/A 0.7 ppb (8) N/A N/A 40.0
 
March 13, 2019, 10 p.m. 40.2 ppb (37) 16.0 ppb (15) N/A 24.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A N/A 37.0
 
March 13, 2019, 9 p.m. 46.7 ppb (43) 22.8 ppb (21) N/A 24.0 ppb (22) N/A N/A N/A 0.7 ppb (8) N/A N/A 43.0
 
March 13, 2019, 8 p.m. 42.5 ppb (39) 20.3 ppb (19) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 39.0
 
March 13, 2019, 7 p.m. 54.1 ppb (50) 28.8 ppb (27) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 50.0
 
March 13, 2019, 6 p.m. 53.1 ppb (49) 29.9 ppb (28) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 49.0
 
March 13, 2019, 5 p.m. 58.3 ppb (55) 35.2 ppb (33) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 55.0
 
March 13, 2019, 4 p.m. 69.4 ppb (66) 43.9 ppb (41) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 66.0
 
March 13, 2019, 3 p.m. 79.5 ppb (77) 52.0 ppb (48) N/A 27.0 ppb (25) N/A N/A N/A 0.8 ppb (9) N/A N/A 77.0
 
March 13, 2019, 2 p.m. 74.9 ppb (72) 47.6 ppb (44) N/A 27.0 ppb (25) N/A N/A N/A 0.8 ppb (9) N/A N/A 72.0
 
March 13, 2019, 1 p.m. 58.8 ppb (55) 33.0 ppb (31) N/A 26.0 ppb (24) N/A N/A N/A 0.7 ppb (8) N/A N/A 55.0
 
March 13, 2019, noon 65.6 ppb (62) 39.6 ppb (37) N/A 26.0 ppb (24) N/A N/A N/A 0.8 ppb (9) N/A N/A 62.0
 
March 13, 2019, 11 a.m. 92.5 ppb (91) 63.2 ppb (60) N/A 29.0 ppb (27) N/A N/A N/A 1.1 ppb (12) N/A N/A 91.0
 
March 13, 2019, 10 a.m. 90.1 ppb (88) 61.7 ppb (58) N/A 28.0 ppb (26) N/A N/A N/A 1.1 ppb (12) N/A N/A 88.0
 
March 13, 2019, 9 a.m. 65.5 ppb (62) 40.2 ppb (37) N/A 25.0 ppb (23) N/A N/A N/A 0.7 ppb (8) N/A N/A 62.0
 
March 13, 2019, 8 a.m. 37.5 ppb (35) 20.1 ppb (19) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 35.0
 
March 13, 2019, 7 a.m. 27.6 ppb (26) 13.4 ppb (12) N/A 14.0 ppb (13) N/A N/A N/A 0.4 ppb (4) N/A N/A 26.0
 
March 13, 2019, 6 a.m. 19.1 ppb (18) 7.2 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 18.0
 
March 13, 2019, 5 a.m. 27.5 ppb (25) 10.7 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A N/A N/A N/A 25.0
 
March 13, 2019, 4 a.m. 65.9 ppb (63) 35.9 ppb (33) N/A 30.0 ppb (28) N/A N/A N/A 0.9 ppb (10) N/A N/A 63.0