AQSQID: 131210056

Site Name: Nr-Georgia Tech

Location: Atlanta (6th St Nwest), GA

Reporting: True, Located: True

Current AQI: 18.0

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
July 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A 4.4 μg/m3 (18) 18.0
 
July 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
July 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A 4.5 μg/m3 (19) 19.0
 
July 21, 2019, 2 p.m. 17.6 ppb (16) 12.3 ppb (11) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
July 21, 2019, 1 p.m. 19.0 ppb (18) 13.6 ppb (13) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
July 21, 2019, noon 20.1 ppb (19) 14.0 ppb (13) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A 7.9 μg/m3 (33) 33.0
 
July 21, 2019, 11 a.m. 18.7 ppb (17) 12.9 ppb (12) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
July 21, 2019, 10 a.m. 20.6 ppb (19) 13.9 ppb (13) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A 4.4 μg/m3 (18) 19.0
 
July 21, 2019, 9 a.m. 17.8 ppb (16) 11.5 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
July 21, 2019, 8 a.m. 19.5 ppb (18) 12.1 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
July 21, 2019, 7 a.m. 21.8 ppb (20) 12.8 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
July 21, 2019, 6 a.m. 23.2 ppb (21) 10.0 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 6.0 μg/m3 (25) 25.0
 
July 21, 2019, 5 a.m. 20.8 ppb (19) 7.3 ppb (7) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 3.8 μg/m3 (16) 19.0
 
July 21, 2019, 4 a.m. 15.4 ppb (14) 6.3 ppb (6) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 5.3 μg/m3 (22) 22.0
 
July 21, 2019, 3 a.m. 17.0 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 5.2 μg/m3 (22) 22.0
 
July 21, 2019, 2 a.m. 19.7 ppb (18) 11.0 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 4.8 μg/m3 (20) 20.0
 
July 21, 2019, 1 a.m. 24.1 ppb (22) 11.6 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A 4.3 μg/m3 (18) 22.0
 
July 21, 2019, midnight 19.2 ppb (18) 8.7 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
July 20, 2019, 11 p.m. 12.5 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
July 20, 2019, 10 p.m. 23.8 ppb (22) 11.3 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 8.4 μg/m3 (35) 35.0
 
July 20, 2019, 9 p.m. 12.2 ppb (11) 5.7 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 8 p.m. 18.5 ppb (17) 9.9 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
July 20, 2019, 7 p.m. 18.8 ppb (17) 11.4 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 5.4 μg/m3 (23) 23.0
 
July 20, 2019, 6 p.m. 11.7 ppb (11) 6.4 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
July 20, 2019, 5 p.m. 77.4 ppb (75) 43.1 ppb (40) N/A 35.0 ppb (32) N/A N/A N/A 0.4 ppb (4) N/A 10.0 μg/m3 (42) 75.0
 
July 20, 2019, 4 p.m. 43.5 ppb (40) 23.3 ppb (22) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A 9.4 μg/m3 (39) 40.0
 
July 20, 2019, 3 p.m. 18.7 ppb (17) 10.5 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 2 p.m. 25.2 ppb (23) 16.8 ppb (16) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 6.8 μg/m3 (28) 28.0
 
July 20, 2019, 1 p.m. 29.0 ppb (27) 21.2 ppb (20) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 7.1 μg/m3 (30) 30.0
 
July 20, 2019, noon 33.0 ppb (31) 25.3 ppb (23) N/A 8.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A 6.1 μg/m3 (25) 31.0
 
July 20, 2019, 11 a.m. 29.0 ppb (27) 23.3 ppb (22) N/A 6.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A 5.9 μg/m3 (25) 27.0
 
July 20, 2019, 10 a.m. 29.2 ppb (27) 22.3 ppb (21) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A 6.0 μg/m3 (25) 27.0
 
July 20, 2019, 9 a.m. 25.2 ppb (23) 19.2 ppb (18) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
July 20, 2019, 8 a.m. 16.4 ppb (15) 9.7 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 15.0
 
July 20, 2019, 7 a.m. 18.5 ppb (17) 11.8 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A N/A 17.0
 
July 20, 2019, 6 a.m. 22.5 ppb (21) 13.3 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A 6.7 μg/m3 (28) 28.0
 
July 20, 2019, 5 a.m. 26.2 ppb (24) 18.3 ppb (17) N/A 8.0 ppb (7) N/A N/A N/A 0.7 ppb (8) N/A 3.7 μg/m3 (15) 24.0
 
July 20, 2019, 4 a.m. 23.3 ppb (22) 15.9 ppb (15) N/A 7.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A 5.5 μg/m3 (23) 23.0
 
July 20, 2019, 3 a.m. 29.5 ppb (27) 17.7 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 5.5 μg/m3 (23) 27.0
 
July 20, 2019, 2 a.m. 23.1 ppb (21) 14.7 ppb (14) N/A 8.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A 5.6 μg/m3 (23) 23.0
 
July 20, 2019, 1 a.m. 24.4 ppb (23) 13.6 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A 5.0 μg/m3 (21) 23.0
 
July 20, 2019, midnight 19.3 ppb (18) 10.2 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 5.0 μg/m3 (21) 21.0
 
July 19, 2019, 11 p.m. 17.7 ppb (16) 7.9 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 4.6 μg/m3 (19) 19.0
 
July 19, 2019, 10 p.m. 16.6 ppb (15) 7.2 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
July 19, 2019, 9 p.m. 22.3 ppb (21) 12.3 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 3.7 μg/m3 (15) 21.0
 
July 19, 2019, 8 p.m. 24.3 ppb (23) 12.9 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 3.5 μg/m3 (15) 23.0
 
July 19, 2019, 7 p.m. 24.1 ppb (22) 13.7 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 22.0
 
July 19, 2019, 6 p.m. 20.3 ppb (19) 10.1 ppb (9) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
July 19, 2019, 5 p.m. 15.9 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 15.0
 
July 19, 2019, 4 p.m. 41.8 ppb (39) 23.1 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.6 ppb (7) N/A 11.2 μg/m3 (47) 47.0
 
July 19, 2019, 3 p.m. 37.8 ppb (35) 22.0 ppb (20) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 9.1 μg/m3 (38) 38.0
 
July 19, 2019, 2 p.m. 54.9 ppb (51) 38.0 ppb (35) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 8.5 μg/m3 (35) 51.0
 
July 19, 2019, 1 p.m. 59.4 ppb (56) 42.7 ppb (40) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A 8.1 μg/m3 (34) 56.0
 
July 19, 2019, noon 46.9 ppb (43) 32.4 ppb (30) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 7.0 μg/m3 (29) 43.0
 
July 19, 2019, 11 a.m. 47.1 ppb (44) 33.4 ppb (31) N/A 14.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A 6.8 μg/m3 (28) 44.0
 
July 19, 2019, 10 a.m. 44.9 ppb (42) 33.2 ppb (31) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 6.2 μg/m3 (26) 42.0
 
July 19, 2019, 9 a.m. 36.5 ppb (34) 26.7 ppb (25) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 7.8 μg/m3 (32) 34.0
 
July 19, 2019, 8 a.m. 22.0 ppb (20) 15.8 ppb (15) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 5.7 μg/m3 (24) 24.0
 
July 19, 2019, 7 a.m. 18.5 ppb (17) 11.8 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A 5.7 μg/m3 (24) 24.0
 
July 19, 2019, 6 a.m. 18.4 ppb (17) 11.5 ppb (11) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
July 19, 2019, 5 a.m. 24.9 ppb (23) 16.0 ppb (15) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 4.2 μg/m3 (18) 23.0
 
July 19, 2019, 4 a.m. 24.5 ppb (23) 16.0 ppb (15) N/A 9.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A 6.6 μg/m3 (28) 28.0
 
July 19, 2019, 3 a.m. 24.0 ppb (22) 13.8 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 6.6 μg/m3 (28) 28.0
 
July 19, 2019, 2 a.m. 23.8 ppb (22) 12.8 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 5.8 μg/m3 (24) 24.0
 
July 19, 2019, 1 a.m. 22.9 ppb (21) 12.3 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 4.8 μg/m3 (20) 21.0
 
July 19, 2019, midnight 22.8 ppb (21) 10.2 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 5.3 μg/m3 (22) 22.0
 
July 18, 2019, 11 p.m. 21.6 ppb (20) 9.3 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
July 18, 2019, 10 p.m. 24.0 ppb (22) 11.4 ppb (11) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 4.7 μg/m3 (20) 22.0
 
July 18, 2019, 9 p.m. 16.7 ppb (15) 7.4 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.4 ppb (4) N/A 3.9 μg/m3 (16) 16.0
 
July 18, 2019, 8 p.m. 27.6 ppb (26) 14.6 ppb (14) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 3.3 μg/m3 (14) 26.0
 
July 18, 2019, 7 p.m. 25.8 ppb (24) 14.0 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A 3.4 μg/m3 (14) 24.0
 
July 18, 2019, 6 p.m. 24.4 ppb (23) 12.5 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
July 18, 2019, 5 p.m. 30.0 ppb (28) 17.4 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 28.0
 
July 18, 2019, 4 p.m. 38.9 ppb (36) 23.4 ppb (22) N/A 16.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A N/A 36.0
 
July 18, 2019, 3 p.m. 38.5 ppb (36) 20.6 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 36.0
 
July 18, 2019, 2 p.m. 36.8 ppb (34) 20.5 ppb (19) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 34.0
 
July 18, 2019, 1 p.m. 42.9 ppb (40) 28.3 ppb (26) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A N/A 40.0
 
July 18, 2019, noon 30.3 ppb (28) 20.8 ppb (19) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 11 a.m. 40.9 ppb (38) 28.6 ppb (26) N/A 12.0 ppb (11) N/A N/A N/A 0.8 ppb (9) N/A 6.7 μg/m3 (28) 38.0
 
July 18, 2019, 10 a.m. 41.5 ppb (38) 27.6 ppb (26) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 6.6 μg/m3 (28) 38.0
 
July 18, 2019, 9 a.m. 37.3 ppb (35) 24.0 ppb (22) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 6.3 μg/m3 (26) 35.0
 
July 18, 2019, 8 a.m. 28.9 ppb (27) 18.0 ppb (17) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 5.6 μg/m3 (23) 27.0
 
July 18, 2019, 7 a.m. 23.7 ppb (22) 14.1 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
July 18, 2019, 6 a.m. 19.8 ppb (18) 10.4 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
July 18, 2019, 5 a.m. 22.2 ppb (21) 8.5 ppb (8) N/A 14.0 ppb (13) N/A N/A N/A 0.5 ppb (6) N/A 4.0 μg/m3 (17) 21.0
 
July 18, 2019, 4 a.m. 28.1 ppb (26) 11.2 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.5 ppb (6) N/A 5.3 μg/m3 (22) 26.0
 
July 18, 2019, 3 a.m. 32.5 ppb (30) 15.7 ppb (15) N/A 17.0 ppb (16) N/A N/A N/A 0.6 ppb (7) N/A 4.6 μg/m3 (19) 30.0
 
July 18, 2019, 2 a.m. 25.3 ppb (23) 13.9 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.7 ppb (8) N/A 3.9 μg/m3 (16) 23.0
 
July 18, 2019, 1 a.m. 22.3 ppb (21) 12.5 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A 4.1 μg/m3 (17) 21.0
 
July 18, 2019, midnight 25.8 ppb (24) 13.7 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 4.9 μg/m3 (20) 24.0
 
July 17, 2019, 11 p.m. 16.4 ppb (15) 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
July 17, 2019, 10 p.m. 24.9 ppb (23) 13.4 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A 4.9 μg/m3 (20) 23.0
 
July 17, 2019, 9 p.m. 12.5 ppb (12) 4.3 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
July 17, 2019, 8 p.m. 19.9 ppb (18) 10.7 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A 4.9 μg/m3 (20) 20.0
 
July 17, 2019, 7 p.m. 32.0 ppb (30) 20.2 ppb (19) N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 6.1 μg/m3 (25) 30.0
 
July 17, 2019, 6 p.m. 20.2 ppb (19) 12.4 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A 6.2 μg/m3 (26) 26.0
 
July 17, 2019, 5 p.m. 17.5 ppb (16) 10.7 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
July 17, 2019, 4 p.m. 24.0 ppb (22) 16.3 ppb (15) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
July 17, 2019, 3 p.m. 33.3 ppb (31) 22.1 ppb (20) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 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 12.9 μg/m3 (52) 52.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (4) N/A N/A 4.0
 
July 17, 2019, 11 a.m. 38.0 ppb (35) 25.3 ppb (23) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A N/A 35.0
 
July 17, 2019, 10 a.m. 43.6 ppb (40) 30.3 ppb (28) N/A 13.0 ppb (12) N/A N/A N/A 0.7 ppb (8) N/A N/A 40.0
 
July 17, 2019, 9 a.m. 30.8 ppb (29) 20.0 ppb (19) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 29.0
 
July 17, 2019, 8 a.m. 17.5 ppb (16) 9.3 ppb (9) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A N/A 16.0
 
July 17, 2019, 7 a.m. 17.1 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
July 17, 2019, 6 a.m. 26.8 ppb (25) 15.6 ppb (14) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
July 17, 2019, 5 a.m. 26.3 ppb (24) 10.7 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A N/A 24.0
 
July 17, 2019, 4 a.m. 24.1 ppb (22) 11.2 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
July 17, 2019, 3 a.m. 23.5 ppb (22) 12.4 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
July 17, 2019, 2 a.m. 20.2 ppb (19) 10.4 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 19.0
 
July 17, 2019, 1 a.m. 23.4 ppb (22) 12.1 ppb (11) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
July 17, 2019, midnight 27.0 ppb (25) 15.2 ppb (14) N/A 12.0 ppb (11) N/A N/A N/A 0.7 ppb (8) N/A N/A 25.0
 
July 16, 2019, 11 p.m. 16.7 ppb (15) 9.0 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A N/A 15.0
 
July 16, 2019, 10 p.m. 27.0 ppb (25) 17.4 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 25.0
 
July 16, 2019, 9 p.m. 15.3 ppb (14) 9.1 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 14.0
 
July 16, 2019, 8 p.m. 25.2 ppb (23) 15.3 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 23.0
 
July 16, 2019, 7 p.m. 22.2 ppb (21) 12.7 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
July 16, 2019, 6 p.m. 32.0 ppb (30) 20.2 ppb (19) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 30.0
 
July 16, 2019, 5 p.m. 25.1 ppb (23) 15.6 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 23.0
 
July 16, 2019, 4 p.m. 25.3 ppb (23) 15.5 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
July 16, 2019, 3 p.m. 22.2 ppb (21) 14.5 ppb (13) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 21.0
 
July 16, 2019, 2 p.m. 30.1 ppb (28) 18.9 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 28.0
 
July 16, 2019, 1 p.m. 33.1 ppb (31) 20.2 ppb (19) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 31.0
 
July 16, 2019, noon 25.3 ppb (23) 15.3 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
July 16, 2019, 11 a.m. 34.5 ppb (32) 22.7 ppb (21) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 32.0
 
July 16, 2019, 10 a.m. 40.4 ppb (37) 28.1 ppb (26) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 37.0
 
July 16, 2019, 9 a.m. 37.5 ppb (35) 24.8 ppb (23) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 35.0
 
July 16, 2019, 8 a.m. 24.9 ppb (23) 14.6 ppb (14) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 23.0
 
July 16, 2019, 7 a.m. 20.6 ppb (19) 10.3 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
July 16, 2019, 6 a.m. 16.8 ppb (16) 6.6 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 16.0
 
July 16, 2019, 5 a.m. 17.5 ppb (16) 9.1 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 16.0
 
July 16, 2019, 4 a.m. 14.8 ppb (14) 7.8 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 14.0
 
July 16, 2019, 3 a.m. 20.5 ppb (19) 11.3 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 19.0
 
July 16, 2019, 2 a.m. 25.4 ppb (24) 14.1 ppb (13) N/A 11.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 24.0
 
July 16, 2019, 1 a.m. 23.7 ppb (22) 12.8 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 22.0
 
July 16, 2019, midnight 26.3 ppb (24) 14.1 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 24.0
 
July 15, 2019, 11 p.m. 16.8 ppb (16) 8.7 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
July 15, 2019, 10 p.m. 18.1 ppb (17) 10.5 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 17.0
 
July 15, 2019, 9 p.m. 16.4 ppb (15) 10.0 ppb (9) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 15.0
 
July 15, 2019, 8 p.m. 26.7 ppb (25) 16.2 ppb (15) N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
July 15, 2019, 7 p.m. 20.7 ppb (19) 12.4 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 19.0
 
July 15, 2019, 6 p.m. 27.7 ppb (26) 16.6 ppb (15) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 26.0
 
July 15, 2019, 5 p.m. 25.8 ppb (24) 13.7 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 24.0
 
July 15, 2019, 4 p.m. 27.4 ppb (25) 14.1 ppb (13) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
July 15, 2019, 3 p.m. 33.8 ppb (31) 18.5 ppb (17) N/A 15.0 ppb (14) N/A N/A N/A 0.5 ppb (6) N/A N/A 31.0
 
July 15, 2019, 2 p.m. 40.0 ppb (37) 21.6 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A N/A 37.0
 
July 15, 2019, 1 p.m. 32.3 ppb (30) 13.8 ppb (13) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 30.0
 
July 15, 2019, noon 36.8 ppb (34) 16.7 ppb (15) N/A 20.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 34.0
 
July 15, 2019, 11 a.m. 32.9 ppb (30) 15.2 ppb (14) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (4) N/A N/A 30.0
 
July 15, 2019, 10 a.m. 27.1 ppb (25) 10.4 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
July 15, 2019, 9 a.m. 29.7 ppb (28) 11.0 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 28.0
 
July 15, 2019, 8 a.m. 42.4 ppb (39) 20.9 ppb (19) N/A 21.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 39.0
 
July 15, 2019, 7 a.m. 39.2 ppb (36) 16.0 ppb (15) N/A 23.0 ppb (21) N/A N/A N/A 0.3 ppb (3) N/A N/A 36.0
 
July 15, 2019, 6 a.m. 26.0 ppb (24) 6.8 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 24.0
 
July 15, 2019, 5 a.m. 26.7 ppb (25) 10.7 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A N/A 25.0
 
July 15, 2019, 4 a.m. 7.7 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 7.0
 
July 15, 2019, 3 a.m. 12.3 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.4 ppb (4) N/A N/A 11.0
 
July 15, 2019, 2 a.m. 8.6 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 8.0
 
July 15, 2019, 1 a.m. 10.1 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 9.0
 
July 15, 2019, midnight 9.7 ppb (9) 4.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 9.0
 
July 14, 2019, 11 p.m. 9.1 ppb (8) 4.3 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (3) N/A N/A 8.0
 
July 14, 2019, 10 p.m. 11.6 ppb (11) 5.9 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 11.0
 
July 14, 2019, 9 p.m. 11.3 ppb (10) 5.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A N/A 10.0
 
July 14, 2019, 8 p.m. 8.5 ppb (8) 4.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A N/A 8.0
 
July 14, 2019, 7 p.m. 15.4 ppb (14) 9.2 ppb (9) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 14.0
 
July 14, 2019, 6 p.m. 16.2 ppb (15) 9.9 ppb (9) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A N/A 15.0