AQSQID: 261630093

Site Name: Eliza Howell- Roadway

Location: Detroit, MI

Reporting: True, Located: True

Current AQI: 15.0

Detroit MI, US: 42.38599, -83.266319

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 22, 2019, 7 p.m. 14.5 ppb (13) 8.0 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0
 
July 22, 2019, 6 p.m. 15.8 ppb (15) 8.7 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0
 
July 22, 2019, 5 p.m. 19.1 ppb (18) 10.9 ppb (10) N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0
 
July 22, 2019, 4 p.m. 21.4 ppb (20) 12.4 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0
 
July 22, 2019, 3 p.m. 23.6 ppb (22) 14.6 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0
 
July 22, 2019, 2 p.m. 29.1 ppb (27) 18.9 ppb (18) N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0
 
July 22, 2019, 1 p.m. 34.9 ppb (32) 22.2 ppb (21) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A N/A 32.0
 
July 22, 2019, noon 37.2 ppb (34) 24.5 ppb (23) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A N/A 34.0
 
July 22, 2019, 11 a.m. 35.1 ppb (32) 23.2 ppb (21) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A N/A 32.0
 
July 22, 2019, 10 a.m. 30.1 ppb (28) 18.1 ppb (17) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A N/A 28.0
 
July 22, 2019, 9 a.m. 20.9 ppb (19) 10.6 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 19.0
 
July 22, 2019, 8 a.m. 14.9 ppb (14) 5.6 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A N/A 14.0
 
July 22, 2019, 7 a.m. 23.8 ppb (22) 4.0 ppb (4) N/A 20.0 ppb (19) N/A N/A N/A 0.2 ppb (2) N/A N/A 22.0
 
July 22, 2019, 6 a.m. 22.6 ppb (21) 3.5 ppb (3) N/A 19.0 ppb (18) N/A N/A N/A 0.2 ppb (2) N/A N/A 21.0
 
July 22, 2019, 5 a.m. 19.9 ppb (18) 3.8 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.2 ppb (2) N/A N/A 18.0
 
July 22, 2019, 4 a.m. 15.9 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A N/A 15.0
 
July 22, 2019, 3 a.m. 14.5 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0
 
July 22, 2019, 2 a.m. 14.9 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A N/A 14.0
 
July 22, 2019, 1 a.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A N/A 13.0
 
July 22, 2019, midnight 11.1 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0
 
July 21, 2019, 11 p.m. 7.7 ppb (7) 1.9 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0
 
July 21, 2019, 10 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0
 
July 21, 2019, 9 p.m. 6.6 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
July 21, 2019, 8 p.m. 8.2 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 8.0
 
July 21, 2019, 7 p.m. 9.4 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 9.0
 
July 21, 2019, 6 p.m. 9.5 ppb (9) 3.2 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 9.0
 
July 21, 2019, 5 p.m. 13.6 ppb (13) 5.7 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
July 21, 2019, 4 p.m. 14.4 ppb (13) 6.3 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
July 21, 2019, 3 p.m. 9.4 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 9.0
 
July 21, 2019, 2 p.m. 13.5 ppb (12) 6.2 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 12.0
 
July 21, 2019, 1 p.m. 17.6 ppb (16) 8.1 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 16.0
 
July 21, 2019, noon 14.5 ppb (13) 6.3 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
July 21, 2019, 11 a.m. 9.4 ppb (9) 3.3 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 9.0
 
July 21, 2019, 10 a.m. 6.1 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 6.0
 
July 21, 2019, 9 a.m. 5.9 ppb (5) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0
 
July 21, 2019, 8 a.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0
 
July 21, 2019, 7 a.m. 7.1 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0
 
July 21, 2019, 6 a.m. 6.2 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0
 
July 21, 2019, 5 a.m. 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 8.0
 
July 21, 2019, 4 a.m. 16.0 ppb (15) 4.8 ppb (4) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 15.0
 
July 21, 2019, 3 a.m. 20.0 ppb (19) 7.5 ppb (7) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A N/A 19.0
 
July 21, 2019, 2 a.m. 22.0 ppb (20) 9.1 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A N/A 20.0
 
July 21, 2019, 1 a.m. 19.5 ppb (18) 8.1 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 18.0
 
July 21, 2019, midnight 12.2 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 11.0
 
July 20, 2019, 11 p.m. 9.3 ppb (9) 3.5 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 9.0
 
July 20, 2019, 10 p.m. 11.2 ppb (10) 4.4 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A N/A 10.0
 
July 20, 2019, 9 p.m. 14.3 ppb (13) 5.9 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A N/A 13.0
 
July 20, 2019, 8 p.m. 16.7 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 15.0
 
July 20, 2019, 7 p.m. 19.3 ppb (18) 8.4 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A N/A 18.0
 
July 20, 2019, 6 p.m. 21.8 ppb (20) 9.9 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 20.0
 
July 20, 2019, 5 p.m. 23.7 ppb (22) 11.7 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A N/A 22.0
 
July 20, 2019, 4 p.m. 31.7 ppb (29) 16.9 ppb (16) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A N/A 29.0
 
July 20, 2019, 3 p.m. 47.0 ppb (44) 26.2 ppb (24) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 44.0
 
July 20, 2019, 2 p.m. 49.6 ppb (46) 27.0 ppb (25) N/A 23.0 ppb (21) N/A N/A N/A 0.4 ppb (4) N/A N/A 46.0
 
July 20, 2019, 1 p.m. 43.7 ppb (40) 22.0 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 0.3 ppb (3) N/A N/A 40.0
 
July 20, 2019, noon 43.9 ppb (41) 21.6 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 0.2 ppb (2) N/A N/A 41.0
 
July 20, 2019, 11 a.m. 36.5 ppb (34) 18.3 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A N/A 34.0
 
July 20, 2019, 10 a.m. 15.8 ppb (15) 7.1 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0
 
July 20, 2019, 9 a.m. 9.4 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0
 
July 20, 2019, 8 a.m. 15.2 ppb (14) 5.5 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A N/A 14.0
 
July 20, 2019, 7 a.m. 31.3 ppb (29) 19.9 ppb (18) N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A N/A 29.0
 
July 20, 2019, 6 a.m. 25.8 ppb (24) 13.3 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A N/A 24.0
 
July 20, 2019, 5 a.m. 26.6 ppb (25) 12.3 ppb (11) N/A 14.0 ppb (13) N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0
 
July 20, 2019, 4 a.m. 38.7 ppb (36) 21.9 ppb (20) N/A 17.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A N/A 36.0
 
July 20, 2019, 3 a.m. 35.0 ppb (32) 19.4 ppb (18) N/A 16.0 ppb (15) N/A N/A N/A 0.6 ppb (7) N/A N/A 32.0
 
July 20, 2019, 2 a.m. 17.7 ppb (16) 7.4 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 16.0
 
July 20, 2019, 1 a.m. 14.3 ppb (13) 5.2 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A N/A 13.0
 
July 20, 2019, midnight 24.8 ppb (23) 10.2 ppb (9) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A N/A 23.0
 
July 19, 2019, 11 p.m. 32.5 ppb (30) 14.8 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 19, 2019, 10 p.m. 38.3 ppb (35) 18.5 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 35.0
 
July 19, 2019, 9 p.m. 40.5 ppb (38) 19.7 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 38.0
 
July 19, 2019, 8 p.m. 46.7 ppb (43) 24.7 ppb (23) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 43.0
 
July 19, 2019, 7 p.m. 48.0 ppb (44) 25.3 ppb (23) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 44.0
 
July 19, 2019, 6 p.m. 41.7 ppb (39) 21.1 ppb (20) N/A 21.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0
 
July 19, 2019, 5 p.m. 45.3 ppb (42) 24.2 ppb (22) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 42.0
 
July 19, 2019, 4 p.m. 45.5 ppb (42) 25.9 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 42.0
 
July 19, 2019, 3 p.m. 47.5 ppb (44) 29.2 ppb (27) N/A 18.0 ppb (17) N/A N/A N/A 0.3 ppb (3) N/A N/A 44.0
 
July 19, 2019, 2 p.m. 49.6 ppb (46) 31.6 ppb (29) N/A 18.0 ppb (17) N/A N/A N/A 0.3 ppb (3) N/A N/A 46.0
 
July 19, 2019, 1 p.m. 55.6 ppb (52) 37.6 ppb (35) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (4) N/A N/A 52.0
 
July 19, 2019, noon 64.7 ppb (61) 46.0 ppb (43) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 61.0
 
July 19, 2019, 11 a.m. 61.5 ppb (58) 43.7 ppb (40) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 58.0
 
July 19, 2019, 10 a.m. 46.5 ppb (43) 31.2 ppb (29) N/A 15.0 ppb (14) N/A N/A N/A 0.4 ppb (4) N/A N/A 43.0
 
July 19, 2019, 9 a.m. 28.9 ppb (27) 17.1 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A N/A 27.0
 
July 19, 2019, 8 a.m. 17.9 ppb (17) 8.3 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A N/A 17.0
 
July 19, 2019, 7 a.m. 18.1 ppb (17) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0
 
July 19, 2019, 6 a.m. 19.3 ppb (18) 5.4 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0
 
July 19, 2019, 5 a.m. 19.4 ppb (18) 6.1 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.1 ppb (1) N/A N/A 18.0
 
July 19, 2019, 4 a.m. 21.8 ppb (20) 7.1 ppb (7) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 20.0
 
July 19, 2019, 3 a.m. 25.7 ppb (24) 9.7 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) N/A N/A 24.0
 
July 19, 2019, 2 a.m. 26.5 ppb (25) 10.9 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.3 ppb (3) N/A N/A 25.0
 
July 19, 2019, 1 a.m. 27.2 ppb (25) 10.6 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A N/A 25.0
 
July 19, 2019, midnight 32.5 ppb (30) 13.0 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 30.0
 
July 18, 2019, 11 p.m. 37.7 ppb (35) 15.9 ppb (15) N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) N/A N/A 35.0
 
July 18, 2019, 10 p.m. 41.8 ppb (39) 19.4 ppb (18) N/A 22.0 ppb (20) N/A N/A N/A 0.5 ppb (6) N/A N/A 39.0
 
July 18, 2019, 9 p.m. 40.8 ppb (38) 19.7 ppb (18) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 38.0
 
July 18, 2019, 8 p.m. 38.5 ppb (36) 18.6 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 36.0
 
July 18, 2019, 7 p.m. 43.0 ppb (40) 21.4 ppb (20) N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) N/A N/A 40.0
 
July 18, 2019, 6 p.m. 46.5 ppb (43) 22.6 ppb (21) N/A 24.0 ppb (22) N/A N/A N/A 0.4 ppb (4) N/A N/A 43.0
 
July 18, 2019, 5 p.m. 47.3 ppb (44) 22.4 ppb (21) N/A 25.0 ppb (23) N/A N/A N/A 0.3 ppb (3) N/A N/A 44.0
 
July 18, 2019, 4 p.m. 58.1 ppb (54) 30.2 ppb (28) N/A 28.0 ppb (26) N/A N/A N/A 0.3 ppb (3) N/A N/A 54.0
 
July 18, 2019, 3 p.m. 76.8 ppb (74) 45.4 ppb (42) N/A 31.0 ppb (29) N/A N/A N/A 0.4 ppb (4) N/A N/A 74.0
 
July 18, 2019, 2 p.m. 85.7 ppb (84) 55.6 ppb (52) N/A 30.0 ppb (28) N/A N/A N/A 0.5 ppb (6) N/A N/A 84.0
 
July 18, 2019, 1 p.m. 89.7 ppb (88) 64.5 ppb (61) N/A 25.0 ppb (23) N/A N/A N/A 0.6 ppb (7) N/A N/A 88.0
 
July 18, 2019, noon 69.5 ppb (66) 52.4 ppb (49) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A N/A 66.0
 
July 18, 2019, 11 a.m. 36.1 ppb (33) 25.8 ppb (24) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 33.0
 
July 18, 2019, 10 a.m. 21.3 ppb (20) 12.8 ppb (12) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A N/A 20.0
 
July 18, 2019, 9 a.m. 14.8 ppb (14) 6.6 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0
 
July 18, 2019, 8 a.m. 11.9 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A N/A 11.0
 
July 18, 2019, 7 a.m. 19.2 ppb (18) 7.4 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.1 ppb (1) N/A N/A 18.0
 
July 18, 2019, 6 a.m. 16.5 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0
 
July 18, 2019, 5 a.m. 13.4 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0
 
July 18, 2019, 4 a.m. 12.2 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0
 
July 18, 2019, 3 a.m. 19.5 ppb (18) 5.4 ppb (5) N/A 14.0 ppb (13) N/A N/A N/A 0.2 ppb (2) N/A N/A 18.0
 
July 18, 2019, 2 a.m. 19.0 ppb (18) 6.1 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A N/A 18.0
 
July 18, 2019, 1 a.m. 12.1 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A N/A 11.0
 
July 18, 2019, midnight 10.1 ppb (9) 3.5 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 9.0
 
July 17, 2019, 11 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.1 ppb (1) N/A N/A 7.0
 
July 17, 2019, 10 p.m. 10.3 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 10.0
 
July 17, 2019, 9 p.m. 12.0 ppb (11) 5.8 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 11.0
 
July 17, 2019, 8 p.m. 12.9 ppb (12) 6.0 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 12.0
 
July 17, 2019, 7 p.m. 13.1 ppb (12) 6.1 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A N/A 12.0
 
July 17, 2019, 6 p.m. 16.2 ppb (15) 7.8 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A 0.1 ppb (1) N/A N/A 15.0
 
July 17, 2019, 5 p.m. 21.4 ppb (20) 10.7 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A N/A 20.0
 
July 17, 2019, 4 p.m. 23.9 ppb (22) 12.8 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.1 ppb (1) N/A N/A 22.0
 
July 17, 2019, 3 p.m. 23.5 ppb (22) 13.7 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.1 ppb (1) N/A N/A 22.0
 
July 17, 2019, 2 p.m. 24.0 ppb (22) 15.4 ppb (14) N/A 9.0 ppb (8) N/A N/A N/A 0.1 ppb (1) N/A N/A 22.0
 
July 17, 2019, 1 p.m. 39.1 ppb (36) 29.1 ppb (27) N/A 10.0 ppb (9) N/A N/A N/A 0.2 ppb (2) N/A N/A 36.0
 
July 17, 2019, noon 48.6 ppb (45) 37.3 ppb (35) N/A 11.0 ppb (10) N/A N/A N/A 0.3 ppb (3) N/A N/A 45.0
 
July 17, 2019, 11 a.m. 46.6 ppb (43) 35.1 ppb (32) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A N/A 43.0
 
July 17, 2019, 10 a.m. 49.6 ppb (46) 37.2 ppb (34) N/A 12.0 ppb (11) N/A N/A N/A 0.4 ppb (4) N/A N/A 46.0
 
July 17, 2019, 9 a.m. 37.8 ppb (35) 26.2 ppb (24) N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A N/A 35.0
 
July 17, 2019, 8 a.m. 21.4 ppb (20) 11.4 ppb (11) N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0
 
July 17, 2019, 7 a.m. 24.6 ppb (23) 12.2 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0
 
July 17, 2019, 6 a.m. 24.0 ppb (22) 11.3 ppb (10) N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0
 
July 17, 2019, 5 a.m. 27.9 ppb (26) 12.1 ppb (11) N/A 16.0 ppb (15) N/A N/A N/A 0.1 ppb (1) N/A N/A 26.0
 
July 17, 2019, 4 a.m. 33.7 ppb (31) 15.2 ppb (14) N/A 19.0 ppb (18) N/A N/A N/A 0.2 ppb (2) N/A N/A 31.0
 
July 17, 2019, 3 a.m. 31.4 ppb (29) 14.6 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A N/A 29.0
 
July 17, 2019, 2 a.m. 28.0 ppb (26) 12.7 ppb (12) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 26.0
 
July 17, 2019, 1 a.m. 28.9 ppb (27) 13.9 ppb (13) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 27.0
 
July 17, 2019, midnight 25.1 ppb (23) 12.6 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A N/A 23.0
 
July 16, 2019, 11 p.m. 27.7 ppb (26) 14.0 ppb (13) N/A 14.0 ppb (13) N/A N/A N/A 0.3 ppb (3) N/A N/A 26.0
 
July 16, 2019, 10 p.m. 42.5 ppb (39) 23.2 ppb (21) N/A 19.0 ppb (18) N/A N/A N/A 0.5 ppb (6) N/A N/A 39.0
 
July 16, 2019, 9 p.m. 56.8 ppb (53) 33.4 ppb (31) N/A 23.0 ppb (21) N/A N/A N/A 0.0 ppb (0) N/A N/A 53.0
 
July 16, 2019, 8 p.m. 60.1 ppb (56) 37.3 ppb (35) N/A 23.0 ppb (21) N/A N/A N/A 0.6 ppb (7) N/A N/A 56.0
 
July 16, 2019, 7 p.m. 60.4 ppb (57) 39.6 ppb (37) N/A 21.0 ppb (19) N/A N/A N/A 0.5 ppb (6) N/A N/A 57.0
 
July 16, 2019, 6 p.m. 62.0 ppb (59) 42.5 ppb (39) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A N/A 59.0
 
July 16, 2019, 5 p.m. 64.9 ppb (62) 46.3 ppb (43) N/A 19.0 ppb (18) N/A N/A N/A 0.3 ppb (3) N/A N/A 62.0
 
July 16, 2019, 4 p.m. 75.2 ppb (73) 53.4 ppb (49) N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) N/A N/A 73.0
 
July 16, 2019, 3 p.m. 87.5 ppb (86) 62.9 ppb (59) N/A 25.0 ppb (23) N/A N/A N/A 0.4 ppb (4) N/A N/A 86.0
 
July 16, 2019, 2 p.m. 84.8 ppb (83) 58.6 ppb (55) N/A 26.0 ppb (24) N/A N/A N/A 0.3 ppb (3) N/A N/A 83.0
 
July 16, 2019, 1 p.m. 82.1 ppb (80) 56.5 ppb (53) N/A 26.0 ppb (24) N/A N/A N/A 0.5 ppb (6) N/A N/A 80.0
 
July 16, 2019, noon 92.4 ppb (91) 70.4 ppb (67) N/A 22.0 ppb (20) N/A N/A N/A 0.6 ppb (7) N/A N/A 91.0
 
July 16, 2019, 11 a.m. 93.6 ppb (92) 74.0 ppb (71) N/A 20.0 ppb (19) N/A N/A N/A 0.7 ppb (8) N/A N/A 92.0
 
July 16, 2019, 10 a.m. 74.6 ppb (72) 56.8 ppb (53) N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A N/A 72.0
 
July 16, 2019, 9 a.m. 45.4 ppb (42) 30.5 ppb (28) N/A 15.0 ppb (14) N/A N/A N/A 0.3 ppb (3) N/A N/A 42.0
 
July 16, 2019, 8 a.m. 29.7 ppb (28) 16.7 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.2 ppb (2) N/A N/A 28.0
 
July 16, 2019, 7 a.m. 36.5 ppb (34) 17.8 ppb (16) N/A 19.0 ppb (18) N/A N/A N/A 0.2 ppb (2) N/A N/A 34.0
 
July 16, 2019, 6 a.m. 31.3 ppb (29) 13.6 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.2 ppb (2) N/A N/A 29.0
 
July 16, 2019, 5 a.m. 24.7 ppb (23) 7.4 ppb (7) N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A N/A 23.0
 
July 16, 2019, 4 a.m. 24.8 ppb (23) 6.9 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.3 ppb (3) N/A N/A 23.0
 
July 16, 2019, 3 a.m. 31.0 ppb (29) 11.8 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.4 ppb (4) N/A N/A 29.0
 
July 16, 2019, 2 a.m. 35.0 ppb (32) 14.1 ppb (13) N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A N/A 32.0
 
July 16, 2019, 1 a.m. 25.5 ppb (24) 9.1 ppb (8) N/A 16.0 ppb (15) N/A N/A N/A 0.2 ppb (2) N/A N/A 24.0
 
July 16, 2019, midnight 21.7 ppb (20) 6.5 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.2 ppb (2) N/A N/A 20.0
 
July 15, 2019, 11 p.m. 36.3 ppb (34) 12.3 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.4 ppb (4) N/A N/A 34.0
 
July 15, 2019, 10 p.m. 44.4 ppb (41) 15.5 ppb (14) N/A 29.0 ppb (27) N/A N/A N/A 0.5 ppb (6) N/A N/A 41.0
 
July 15, 2019, 9 p.m. 45.6 ppb (42) 15.3 ppb (14) N/A 30.0 ppb (28) N/A N/A N/A 0.5 ppb (6) N/A N/A 42.0
 
July 15, 2019, 8 p.m. 50.8 ppb (47) 17.1 ppb (16) N/A 34.0 ppb (31) N/A N/A N/A 0.5 ppb (6) N/A N/A 47.0