ID: 2115

AQSQID: 261630093

Site Name: Eliza Howell- Roadway

Added: April 21, 2020, 6:24 p.m.

Updated: Sept. 21, 2021, 5:05 p.m.

Location: Detroit (Schoolcraft St), MI

Reporting: True, Located: True

Current AQI: 51.0

Detroit (Schoolcraft St) MI, US: 42.38599, -83.266319

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 3 p.m. 53.2 ppb (51) 32.9 ppb (32) N/A 20.0 ppb (19) N/A N/A N/A 0.8 ppb (10) N/A N/A 51.0
 
Sept. 21, 2021, 2 p.m. 40.7 ppb (39) 24.7 ppb (24) N/A 16.0 ppb (16) N/A N/A N/A 0.7 ppb (8) N/A N/A 39.0
 
Sept. 21, 2021, 1 p.m. 49.5 ppb (47) 30.7 ppb (29) N/A 19.0 ppb (18) N/A N/A N/A 0.7 ppb (8) N/A N/A 47.0
 
Sept. 21, 2021, noon 47.1 ppb (45) 29.9 ppb (29) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A N/A 45.0
 
Sept. 21, 2021, 11 a.m. 46.9 ppb (45) 29.3 ppb (28) N/A 18.0 ppb (17) N/A N/A N/A 0.9 ppb (11) N/A N/A 45.0
 
Sept. 21, 2021, 10 a.m. 39.1 ppb (37) 24.9 ppb (24) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A N/A 37.0
 
Sept. 21, 2021, 9 a.m. 21.2 ppb (20) 12.0 ppb (12) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 21, 2021, 8 a.m. 14.9 ppb (15) 7.9 ppb (8) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 15.0
 
Sept. 21, 2021, 7 a.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
 
Sept. 21, 2021, 6 a.m. 9.6 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 10.0
 
Sept. 21, 2021, 5 a.m. 13.9 ppb (14) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 14.0
 
Sept. 21, 2021, 4 a.m. 11.9 ppb (12) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 21, 2021, 3 a.m. 14.4 ppb (14) 6.6 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 14.0
 
Sept. 21, 2021, 2 a.m. 20.9 ppb (20) 8.4 ppb (8) N/A 13.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 21, 2021, 1 a.m. 23.2 ppb (22) 8.2 ppb (8) N/A 15.0 ppb (15) N/A N/A N/A 0.7 ppb (8) N/A N/A 22.0
 
Sept. 21, 2021, midnight 27.4 ppb (26) 11.5 ppb (11) N/A 16.0 ppb (16) N/A N/A N/A 0.9 ppb (11) N/A N/A 26.0
 
Sept. 20, 2021, 11 p.m. 39.8 ppb (38) 17.6 ppb (17) N/A 22.0 ppb (21) N/A N/A N/A 1.0 ppb (12) N/A N/A 38.0
 
Sept. 20, 2021, 10 p.m. 34.3 ppb (33) 15.4 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 1.0 ppb (12) N/A N/A 33.0
 
Sept. 20, 2021, 9 p.m. 35.9 ppb (34) 17.9 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 1.0 ppb (12) N/A N/A 34.0
 
Sept. 20, 2021, 8 p.m. 41.2 ppb (39) 20.4 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 1.0 ppb (12) N/A N/A 39.0
 
Sept. 20, 2021, 7 p.m. 57.1 ppb (55) 28.8 ppb (28) N/A 28.0 ppb (27) N/A N/A N/A 1.2 ppb (14) N/A N/A 55.0
 
Sept. 20, 2021, 6 p.m. 53.9 ppb (51) 27.1 ppb (26) N/A 27.0 ppb (26) N/A N/A N/A 1.0 ppb (12) N/A N/A 51.0
 
Sept. 20, 2021, 5 p.m. 41.9 ppb (40) 21.1 ppb (20) N/A 21.0 ppb (20) N/A N/A N/A 0.8 ppb (10) N/A N/A 40.0
 
Sept. 20, 2021, 4 p.m. 50.1 ppb (48) 24.9 ppb (24) N/A 25.0 ppb (24) N/A N/A N/A 0.8 ppb (10) N/A N/A 48.0
 
Sept. 20, 2021, 3 p.m. 62.6 ppb (61) 33.7 ppb (32) N/A 29.0 ppb (28) N/A N/A N/A 1.0 ppb (12) N/A N/A 61.0
 
Sept. 20, 2021, 2 p.m. 69.2 ppb (68) 39.2 ppb (37) N/A 30.0 ppb (29) N/A N/A N/A 0.9 ppb (11) N/A N/A 68.0
 
Sept. 20, 2021, 1 p.m. 98.5 ppb (99) 64.0 ppb (62) N/A 34.0 ppb (33) N/A N/A N/A 1.2 ppb (14) N/A N/A 99.0
 
Sept. 20, 2021, noon 59.2 ppb (57) 43.1 ppb (41) N/A 16.0 ppb (16) N/A N/A N/A 1.1 ppb (13) N/A N/A 57.0
 
Sept. 20, 2021, 11 a.m. 26.9 ppb (26) 18.7 ppb (18) N/A 8.0 ppb (8) N/A N/A N/A 0.8 ppb (10) N/A N/A 26.0
 
Sept. 20, 2021, 10 a.m. 20.1 ppb (19) 13.8 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A 0.7 ppb (8) N/A N/A 19.0
 
Sept. 20, 2021, 9 a.m. 13.8 ppb (14) 8.3 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.7 ppb (8) N/A N/A 14.0
 
Sept. 20, 2021, 8 a.m. 7.4 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A N/A 7.0
 
Sept. 20, 2021, 7 a.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
 
Sept. 20, 2021, 6 a.m. 6.0 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
Sept. 20, 2021, 5 a.m. 10.1 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 10.0
 
Sept. 20, 2021, 4 a.m. 9.9 ppb (10) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A N/A 10.0
 
Sept. 20, 2021, 3 a.m. 12.6 ppb (12) 2.7 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 12.0
 
Sept. 20, 2021, 2 a.m. 23.0 ppb (22) 5.6 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A N/A 22.0
 
Sept. 20, 2021, 1 a.m. 20.1 ppb (19) 5.7 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A N/A 19.0
 
Sept. 20, 2021, midnight 13.5 ppb (13) 3.8 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 13.0
 
Sept. 19, 2021, 11 p.m. 17.9 ppb (17) 4.7 ppb (5) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A N/A 17.0
 
Sept. 19, 2021, 10 p.m. 25.3 ppb (24) 8.1 ppb (8) N/A 17.0 ppb (17) N/A N/A N/A 0.9 ppb (11) N/A N/A 24.0
 
Sept. 19, 2021, 9 p.m. 21.4 ppb (21) 7.2 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.9 ppb (11) N/A N/A 21.0
 
Sept. 19, 2021, 8 p.m. 18.6 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A N/A 18.0
 
Sept. 19, 2021, 7 p.m. 15.7 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.8 ppb (10) N/A N/A 15.0
 
Sept. 19, 2021, 6 p.m. 18.3 ppb (18) 6.3 ppb (6) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A N/A 18.0
 
Sept. 19, 2021, 5 p.m. 15.0 ppb (15) 5.6 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 15.0
 
Sept. 19, 2021, 4 p.m. 20.6 ppb (20) 8.9 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.8 ppb (10) N/A N/A 20.0
 
Sept. 19, 2021, 3 p.m. 16.5 ppb (16) 7.5 ppb (8) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 16.0
 
Sept. 19, 2021, 2 p.m. 20.2 ppb (20) 11.5 ppb (11) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 19, 2021, 1 p.m. 12.9 ppb (13) 7.4 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Sept. 19, 2021, noon 12.1 ppb (12) 6.0 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 19, 2021, 11 a.m. 11.4 ppb (11) 7.4 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.5 ppb (6) N/A N/A 11.0
 
Sept. 19, 2021, 10 a.m. 5.8 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (5) N/A N/A 6.0
 
Sept. 19, 2021, 9 a.m. 8.1 ppb (8) 3.3 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (5) N/A N/A 8.0
 
Sept. 19, 2021, 8 a.m. 5.8 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.5 ppb (6) N/A N/A 6.0
 
Sept. 19, 2021, 7 a.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
 
Sept. 19, 2021, 6 a.m. 6.8 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 7.0
 
Sept. 19, 2021, 5 a.m. 8.5 ppb (9) 1.9 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A N/A N/A N/A 9.0
 
Sept. 19, 2021, 4 a.m. 8.7 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Sept. 19, 2021, 3 a.m. 7.5 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (5) N/A N/A 8.0
 
Sept. 19, 2021, 2 a.m. 7.9 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (5) N/A N/A 8.0
 
Sept. 19, 2021, 1 a.m. 9.2 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (5) N/A N/A 9.0
 
Sept. 19, 2021, midnight 11.1 ppb (11) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 11.0
 
Sept. 18, 2021, 11 p.m. 18.9 ppb (18) 6.8 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.7 ppb (8) N/A N/A 18.0
 
Sept. 18, 2021, 10 p.m. 19.0 ppb (18) 7.8 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.8 ppb (10) N/A N/A 18.0
 
Sept. 18, 2021, 9 p.m. 9.9 ppb (10) 3.3 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A N/A 10.0
 
Sept. 18, 2021, 8 p.m. 12.1 ppb (12) 4.5 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 18, 2021, 7 p.m. 12.2 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.7 ppb (8) N/A N/A 12.0
 
Sept. 18, 2021, 6 p.m. 12.7 ppb (12) 4.8 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A N/A 12.0
 
Sept. 18, 2021, 5 p.m. 12.6 ppb (12) 5.5 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A N/A 12.0
 
Sept. 18, 2021, 4 p.m. 12.3 ppb (12) 5.4 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 18, 2021, 3 p.m. 10.9 ppb (11) 5.3 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 11.0
 
Sept. 18, 2021, 2 p.m. 11.6 ppb (11) 5.1 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 11.0
 
Sept. 18, 2021, 1 p.m. 11.2 ppb (11) 4.8 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (5) N/A N/A 11.0
 
Sept. 18, 2021, noon 11.9 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.4 ppb (5) N/A N/A 12.0
 
Sept. 18, 2021, 11 a.m. 12.1 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.4 ppb (5) N/A N/A 12.0
 
Sept. 18, 2021, 10 a.m. 7.4 ppb (7) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.4 ppb (5) N/A N/A 7.0
 
Sept. 18, 2021, 9 a.m. 5.4 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (5) N/A N/A 6.0
 
Sept. 18, 2021, 8 a.m. 8.6 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A N/A 9.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.9 ppb (11) N/A N/A 11.0
 
Sept. 18, 2021, 6 a.m. 16.2 ppb (16) 4.8 ppb (5) N/A 11.0 ppb (11) N/A N/A N/A 0.9 ppb (11) N/A N/A 16.0
 
Sept. 18, 2021, 5 a.m. 25.5 ppb (25) 9.2 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A N/A N/A N/A 25.0
 
Sept. 18, 2021, 4 a.m. 31.3 ppb (30) 12.1 ppb (12) N/A 19.0 ppb (18) N/A N/A N/A 1.2 ppb (14) N/A N/A 30.0
 
Sept. 18, 2021, 3 a.m. 35.7 ppb (34) 12.3 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 1.3 ppb (15) N/A N/A 34.0
 
Sept. 18, 2021, 2 a.m. 26.4 ppb (25) 4.8 ppb (5) N/A 22.0 ppb (21) N/A N/A N/A 0.9 ppb (11) N/A N/A 25.0
 
Sept. 18, 2021, 1 a.m. 29.7 ppb (29) 6.8 ppb (7) N/A 23.0 ppb (22) N/A N/A N/A 1.0 ppb (12) N/A N/A 29.0
 
Sept. 18, 2021, midnight 43.7 ppb (42) 13.8 ppb (14) N/A 30.0 ppb (29) N/A N/A N/A 1.1 ppb (13) N/A N/A 42.0
 
Sept. 17, 2021, 11 p.m. 41.3 ppb (39) 12.5 ppb (12) N/A 29.0 ppb (28) N/A N/A N/A 1.1 ppb (13) N/A N/A 39.0
 
Sept. 17, 2021, 10 p.m. 42.4 ppb (40) 14.5 ppb (14) N/A 28.0 ppb (27) N/A N/A N/A 1.2 ppb (14) N/A N/A 40.0
 
Sept. 17, 2021, 9 p.m. 40.4 ppb (39) 14.6 ppb (14) N/A 26.0 ppb (25) N/A N/A N/A 1.2 ppb (14) N/A N/A 39.0
 
Sept. 17, 2021, 8 p.m. 41.2 ppb (39) 15.5 ppb (15) N/A 26.0 ppb (25) N/A N/A N/A 1.0 ppb (12) N/A N/A 39.0
 
Sept. 17, 2021, 7 p.m. 49.4 ppb (47) 25.1 ppb (24) N/A 24.0 ppb (23) N/A N/A N/A 1.1 ppb (13) N/A N/A 47.0
 
Sept. 17, 2021, 6 p.m. 47.7 ppb (45) 23.3 ppb (22) N/A 24.0 ppb (23) N/A N/A N/A 0.9 ppb (11) N/A N/A 45.0
 
Sept. 17, 2021, 5 p.m. 43.9 ppb (42) 20.4 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A 0.9 ppb (11) N/A N/A 42.0
 
Sept. 17, 2021, 4 p.m. 47.4 ppb (45) 25.5 ppb (25) N/A 22.0 ppb (21) N/A N/A N/A 0.9 ppb (11) N/A N/A 45.0
 
Sept. 17, 2021, 3 p.m. 57.6 ppb (55) 32.9 ppb (32) N/A 25.0 ppb (24) N/A N/A N/A 0.8 ppb (10) N/A N/A 55.0
 
Sept. 17, 2021, 2 p.m. 77.9 ppb (77) 48.2 ppb (46) N/A 30.0 ppb (29) N/A N/A N/A 1.1 ppb (13) N/A N/A 77.0
 
Sept. 17, 2021, 1 p.m. 91.0 ppb (91) 60.6 ppb (59) N/A 30.0 ppb (29) N/A N/A N/A 1.1 ppb (13) N/A N/A 91.0
 
Sept. 17, 2021, noon 51.3 ppb (49) 41.9 ppb (40) N/A 9.0 ppb (9) N/A N/A N/A 1.1 ppb (13) N/A N/A 49.0
 
Sept. 17, 2021, 11 a.m. 32.6 ppb (31) 26.7 ppb (26) N/A 6.0 ppb (6) N/A N/A N/A 0.9 ppb (11) N/A N/A 31.0
 
Sept. 17, 2021, 10 a.m. 32.0 ppb (31) 22.4 ppb (22) N/A 10.0 ppb (10) N/A N/A N/A 0.9 ppb (11) N/A N/A 31.0
 
Sept. 17, 2021, 9 a.m. 16.1 ppb (16) 8.3 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.7 ppb (8) N/A N/A 16.0
 
Sept. 17, 2021, 8 a.m. 10.4 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.7 ppb (8) N/A N/A 10.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.8 ppb (10) N/A N/A 10.0
 
Sept. 17, 2021, 6 a.m. 16.3 ppb (16) 5.4 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.8 ppb (10) N/A N/A 16.0
 
Sept. 17, 2021, 5 a.m. 11.6 ppb (11) 3.3 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A N/A 11.0
 
Sept. 17, 2021, 4 a.m. 13.7 ppb (13) 2.8 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 13.0
 
Sept. 17, 2021, 3 a.m. 24.8 ppb (24) 5.7 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.8 ppb (10) N/A N/A 24.0
 
Sept. 17, 2021, 2 a.m. 34.4 ppb (33) 9.9 ppb (10) N/A 25.0 ppb (24) N/A N/A N/A 0.9 ppb (11) N/A N/A 33.0
 
Sept. 17, 2021, 1 a.m. 31.1 ppb (30) 7.7 ppb (8) N/A 23.0 ppb (22) N/A N/A N/A 0.8 ppb (10) N/A N/A 30.0
 
Sept. 17, 2021, midnight 27.7 ppb (27) 6.4 ppb (7) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A N/A 27.0
 
Sept. 16, 2021, 11 p.m. 34.3 ppb (33) 12.5 ppb (12) N/A 22.0 ppb (21) N/A N/A N/A 0.8 ppb (10) N/A N/A 33.0
 
Sept. 16, 2021, 10 p.m. 36.7 ppb (35) 15.2 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.8 ppb (10) N/A N/A 35.0
 
Sept. 16, 2021, 9 p.m. 33.9 ppb (32) 15.5 ppb (15) N/A 18.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A N/A 32.0
 
Sept. 16, 2021, 8 p.m. 38.1 ppb (36) 17.8 ppb (17) N/A 20.0 ppb (19) N/A N/A N/A 0.9 ppb (11) N/A N/A 36.0
 
Sept. 16, 2021, 7 p.m. 38.2 ppb (37) 17.4 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 0.8 ppb (10) N/A N/A 37.0
 
Sept. 16, 2021, 6 p.m. 44.8 ppb (43) 22.8 ppb (22) N/A 22.0 ppb (21) N/A N/A N/A 0.8 ppb (10) N/A N/A 43.0
 
Sept. 16, 2021, 5 p.m. 40.5 ppb (39) 20.1 ppb (19) N/A 21.0 ppb (20) N/A N/A N/A 0.7 ppb (8) N/A N/A 39.0
 
Sept. 16, 2021, 4 p.m. 54.8 ppb (52) 29.6 ppb (28) N/A 25.0 ppb (24) N/A N/A N/A 0.8 ppb (10) N/A N/A 52.0
 
Sept. 16, 2021, 3 p.m. 60.0 ppb (58) 34.5 ppb (33) N/A 26.0 ppb (25) N/A N/A N/A 0.9 ppb (11) N/A N/A 58.0
 
Sept. 16, 2021, 2 p.m. 56.2 ppb (54) 31.7 ppb (30) N/A 25.0 ppb (24) N/A N/A N/A 0.9 ppb (11) N/A N/A 54.0
 
Sept. 16, 2021, 1 p.m. 55.8 ppb (53) 36.3 ppb (35) N/A 19.0 ppb (18) N/A N/A N/A 0.9 ppb (11) N/A N/A 53.0
 
Sept. 16, 2021, noon 38.5 ppb (37) 29.4 ppb (28) N/A 9.0 ppb (9) N/A N/A N/A 0.8 ppb (10) N/A N/A 37.0
 
Sept. 16, 2021, 11 a.m. 37.6 ppb (36) 28.0 ppb (27) N/A 10.0 ppb (10) N/A N/A N/A 0.8 ppb (10) N/A N/A 36.0
 
Sept. 16, 2021, 10 a.m. 29.6 ppb (28) 20.7 ppb (20) N/A 9.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A N/A 28.0
 
Sept. 16, 2021, 9 a.m. 20.4 ppb (20) 14.7 ppb (14) N/A 6.0 ppb (6) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 16, 2021, 8 a.m. 10.7 ppb (11) 5.4 ppb (6) N/A 5.0 ppb (5) N/A N/A N/A 0.6 ppb (7) N/A N/A 11.0
 
Sept. 16, 2021, 7 a.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
 
Sept. 16, 2021, 6 a.m. 9.7 ppb (10) 2.5 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.6 ppb (7) N/A N/A 10.0
 
Sept. 16, 2021, 5 a.m. 12.1 ppb (12) 3.3 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A N/A N/A N/A 12.0
 
Sept. 16, 2021, 4 a.m. 16.9 ppb (16) 5.4 ppb (6) N/A 11.0 ppb (11) N/A N/A N/A 0.9 ppb (11) N/A N/A 16.0
 
Sept. 16, 2021, 3 a.m. 15.5 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (12) N/A N/A N/A 0.7 ppb (8) N/A N/A 15.0
 
Sept. 16, 2021, 2 a.m. 15.1 ppb (15) 5.0 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 15.0
 
Sept. 16, 2021, 1 a.m. 9.6 ppb (10) 3.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.6 ppb (7) N/A N/A 10.0
 
Sept. 16, 2021, midnight 9.2 ppb (9) 3.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.5 ppb (6) N/A N/A 9.0
 
Sept. 15, 2021, 11 p.m. 15.0 ppb (15) 6.6 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 15.0
 
Sept. 15, 2021, 10 p.m. 15.4 ppb (15) 7.2 ppb (7) N/A 8.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 15.0
 
Sept. 15, 2021, 9 p.m. 13.0 ppb (13) 6.3 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Sept. 15, 2021, 8 p.m. 12.2 ppb (12) 5.7 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.5 ppb (6) N/A N/A 12.0
 
Sept. 15, 2021, 7 p.m. 18.4 ppb (18) 9.8 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A 0.5 ppb (6) N/A N/A 18.0
 
Sept. 15, 2021, 6 p.m. 19.3 ppb (19) 10.9 ppb (11) N/A 8.0 ppb (8) N/A N/A N/A 0.6 ppb (7) N/A N/A 19.0
 
Sept. 15, 2021, 5 p.m. 32.2 ppb (31) 19.4 ppb (19) N/A 13.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A N/A 31.0
 
Sept. 15, 2021, 4 p.m. 28.9 ppb (28) 17.5 ppb (17) N/A 11.0 ppb (11) N/A N/A N/A 0.6 ppb (7) N/A N/A 28.0
 
Sept. 15, 2021, 3 p.m. 45.0 ppb (43) 29.2 ppb (28) N/A 16.0 ppb (16) N/A N/A N/A 0.8 ppb (10) N/A N/A 43.0
 
Sept. 15, 2021, 2 p.m. 34.0 ppb (33) 22.2 ppb (21) N/A 12.0 ppb (12) N/A N/A N/A 0.6 ppb (7) N/A N/A 33.0
 
Sept. 15, 2021, 1 p.m. 33.0 ppb (32) 22.8 ppb (22) N/A 10.0 ppb (10) N/A N/A N/A 0.6 ppb (7) N/A N/A 32.0
 
Sept. 15, 2021, noon 45.5 ppb (43) 33.1 ppb (32) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A N/A 43.0
 
Sept. 15, 2021, 11 a.m. 42.3 ppb (40) 29.5 ppb (28) N/A 13.0 ppb (13) N/A N/A N/A 0.8 ppb (10) N/A N/A 40.0
 
Sept. 15, 2021, 10 a.m. 26.8 ppb (26) 18.2 ppb (18) N/A 9.0 ppb (9) N/A N/A N/A 0.6 ppb (7) N/A N/A 26.0
 
Sept. 15, 2021, 9 a.m. 15.4 ppb (15) 10.1 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A 0.6 ppb (7) N/A N/A 15.0
 
Sept. 15, 2021, 8 a.m. 7.1 ppb (7) 3.6 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (5) N/A N/A 7.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) N/A N/A 5.0
 
Sept. 15, 2021, 6 a.m. 3.7 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.4 ppb (5) N/A N/A 5.0
 
Sept. 15, 2021, 5 a.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A N/A N/A N/A 3.0
 
Sept. 15, 2021, 4 a.m. 6.7 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.5 ppb (6) N/A N/A 7.0
 
Sept. 15, 2021, 3 a.m. 20.6 ppb (20) 7.1 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.7 ppb (8) N/A N/A 20.0
 
Sept. 15, 2021, 2 a.m. 19.0 ppb (18) 6.5 ppb (7) N/A 13.0 ppb (13) N/A N/A N/A 0.6 ppb (7) N/A N/A 18.0
 
Sept. 15, 2021, 1 a.m. 16.4 ppb (16) 4.6 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A N/A 16.0
 
Sept. 15, 2021, midnight 13.3 ppb (13) 5.0 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A 0.5 ppb (6) N/A N/A 13.0
 
Sept. 14, 2021, 11 p.m. 30.2 ppb (29) 11.8 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.8 ppb (10) N/A N/A 29.0
 
Sept. 14, 2021, 10 p.m. 47.5 ppb (45) 21.9 ppb (21) N/A 26.0 ppb (25) N/A N/A N/A 1.0 ppb (12) N/A N/A 45.0
 
Sept. 14, 2021, 9 p.m. 44.5 ppb (42) 24.5 ppb (24) N/A 20.0 ppb (19) N/A N/A N/A 1.1 ppb (13) N/A N/A 42.0
 
Sept. 14, 2021, 8 p.m. 45.9 ppb (44) 24.5 ppb (24) N/A 21.0 ppb (20) N/A N/A N/A 0.9 ppb (11) N/A N/A 44.0
 
Sept. 14, 2021, 7 p.m. 37.8 ppb (36) 21.2 ppb (20) N/A 17.0 ppb (17) N/A N/A N/A 0.9 ppb (11) N/A N/A 36.0
 
Sept. 14, 2021, 6 p.m. 36.6 ppb (35) 21.7 ppb (21) N/A 15.0 ppb (15) N/A N/A N/A 0.9 ppb (11) N/A N/A 35.0
 
Sept. 14, 2021, 5 p.m. 32.4 ppb (31) 19.0 ppb (18) N/A 13.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A N/A 31.0
 
Sept. 14, 2021, 4 p.m. 33.7 ppb (32) 20.7 ppb (20) N/A 13.0 ppb (13) N/A N/A N/A 0.7 ppb (8) N/A N/A 32.0