Detroit 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, 2019, 11 a.m. | 63.0 ppb (60) | 47.2 ppb (44) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 1.3 ppb (14) | N/A | N/A | 60.0 | |
| Sept. 21, 2019, 10 a.m. | 37.8 ppb (35) | 22.3 ppb (21) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 1.2 ppb (13) | N/A | N/A | 35.0 | |
| Sept. 21, 2019, 9 a.m. | 26.2 ppb (24) | 9.9 ppb (9) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 24.0 | |
| Sept. 21, 2019, 8 a.m. | 22.9 ppb (21) | 5.0 ppb (5) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 21.0 | |
| Sept. 21, 2019, 7 a.m. | 31.3 ppb (29) | 8.1 ppb (8) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 29.0 | |
| Sept. 21, 2019, 6 a.m. | 35.6 ppb (33) | 10.0 ppb (9) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 33.0 | |
| Sept. 21, 2019, 5 a.m. | 42.4 ppb (39) | 12.3 ppb (11) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 1.1 ppb (12) | N/A | N/A | 39.0 | |
| Sept. 21, 2019, 4 a.m. | 42.1 ppb (39) | 10.2 ppb (9) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 39.0 | |
| Sept. 21, 2019, 3 a.m. | 41.4 ppb (38) | 9.9 ppb (9) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 38.0 | |
| Sept. 21, 2019, 2 a.m. | 49.7 ppb (46) | 16.1 ppb (15) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 46.0 | |
| Sept. 21, 2019, 1 a.m. | 43.0 ppb (40) | 12.8 ppb (12) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 40.0 | |
| Sept. 21, 2019, midnight | 41.4 ppb (38) | 10.5 ppb (10) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 38.0 | |
| Sept. 20, 2019, 11 p.m. | 55.6 ppb (52) | 17.1 ppb (16) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | 1.1 ppb (12) | N/A | N/A | 52.0 | |
| Sept. 20, 2019, 10 p.m. | 58.8 ppb (55) | 19.3 ppb (18) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 55.0 | |
| Sept. 20, 2019, 9 p.m. | 58.7 ppb (55) | 20.6 ppb (19) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 55.0 | |
| Sept. 20, 2019, 8 p.m. | 62.1 ppb (59) | 23.8 ppb (22) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 59.0 | |
| Sept. 20, 2019, 7 p.m. | 68.2 ppb (65) | 27.6 ppb (26) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 65.0 | |
| Sept. 20, 2019, 6 p.m. | 69.1 ppb (66) | 29.1 ppb (27) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 66.0 | |
| Sept. 20, 2019, 5 p.m. | 63.5 ppb (60) | 27.9 ppb (26) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 60.0 | |
| Sept. 20, 2019, 4 p.m. | 62.3 ppb (59) | 30.4 ppb (28) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 59.0 | |
| Sept. 20, 2019, 3 p.m. | 73.7 ppb (71) | 41.8 ppb (39) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 71.0 | |
| Sept. 20, 2019, 2 p.m. | 86.3 ppb (84) | 51.7 ppb (48) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 84.0 | |
| Sept. 20, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 11.0 | |
| Sept. 20, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 10.0 | |
| Sept. 20, 2019, 11 a.m. | 32.5 ppb (30) | 19.9 ppb (18) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 30.0 | |
| Sept. 20, 2019, 10 a.m. | 27.3 ppb (25) | 14.8 ppb (14) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 25.0 | |
| Sept. 20, 2019, 9 a.m. | 19.5 ppb (18) | 7.8 ppb (7) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 18.0 | |
| Sept. 20, 2019, 8 a.m. | 13.4 ppb (12) | 3.2 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 12.0 | |
| Sept. 20, 2019, 7 a.m. | 13.4 ppb (12) | 3.2 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 12.0 | |
| Sept. 20, 2019, 6 a.m. | 15.5 ppb (14) | 3.3 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 14.0 | |
| Sept. 20, 2019, 5 a.m. | 18.0 ppb (17) | 3.2 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 17.0 | |
| Sept. 20, 2019, 4 a.m. | 19.0 ppb (18) | 3.6 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 18.0 | |
| Sept. 20, 2019, 3 a.m. | 21.0 ppb (19) | 4.0 ppb (4) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 19.0 | |
| Sept. 20, 2019, 2 a.m. | 30.9 ppb (29) | 5.6 ppb (5) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 29.0 | |
| Sept. 20, 2019, 1 a.m. | 42.2 ppb (39) | 10.6 ppb (10) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 39.0 | |
| Sept. 20, 2019, midnight | 48.6 ppb (45) | 16.5 ppb (15) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 45.0 | |
| Sept. 19, 2019, 11 p.m. | 55.2 ppb (51) | 23.0 ppb (21) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 51.0 | |
| Sept. 19, 2019, 10 p.m. | 58.1 ppb (54) | 26.7 ppb (25) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 54.0 | |
| Sept. 19, 2019, 9 p.m. | 59.2 ppb (56) | 29.3 ppb (27) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 56.0 | |
| Sept. 19, 2019, 8 p.m. | 60.9 ppb (57) | 29.8 ppb (28) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 57.0 | |
| Sept. 19, 2019, 7 p.m. | 57.8 ppb (54) | 26.4 ppb (24) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 54.0 | |
| Sept. 19, 2019, 6 p.m. | 59.3 ppb (56) | 28.9 ppb (27) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 56.0 | |
| Sept. 19, 2019, 5 p.m. | 66.3 ppb (63) | 34.6 ppb (32) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 63.0 | |
| Sept. 19, 2019, 4 p.m. | 67.9 ppb (65) | 38.8 ppb (36) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 65.0 | |
| Sept. 19, 2019, 3 p.m. | 69.7 ppb (67) | 42.3 ppb (39) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 67.0 | |
| Sept. 19, 2019, 2 p.m. | 87.9 ppb (86) | 56.1 ppb (52) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 86.0 | |
| Sept. 19, 2019, 1 p.m. | 99.4 ppb (98) | 67.0 ppb (64) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 98.0 | |
| Sept. 19, 2019, noon | 74.5 ppb (72) | 52.3 ppb (48) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 72.0 | |
| Sept. 19, 2019, 11 a.m. | 44.2 ppb (41) | 29.9 ppb (28) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 41.0 | |
| Sept. 19, 2019, 10 a.m. | 29.3 ppb (27) | 16.9 ppb (16) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 27.0 | |
| Sept. 19, 2019, 9 a.m. | 23.5 ppb (22) | 12.4 ppb (11) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 19, 2019, 8 a.m. | 20.8 ppb (19) | 10.0 ppb (9) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 19.0 | |
| Sept. 19, 2019, 7 a.m. | 10.1 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 9.0 | |
| Sept. 19, 2019, 6 a.m. | 11.1 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 10.0 | |
| Sept. 19, 2019, 5 a.m. | 17.6 ppb (16) | 3.7 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 19, 2019, 4 a.m. | 25.5 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 | |
| Sept. 19, 2019, 3 a.m. | 33.1 ppb (31) | 11.3 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 19, 2019, 2 a.m. | 38.9 ppb (36) | 14.1 ppb (13) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 36.0 | |
| Sept. 19, 2019, 1 a.m. | 41.9 ppb (39) | 16.5 ppb (15) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 39.0 | |
| Sept. 19, 2019, midnight | 41.6 ppb (39) | 17.8 ppb (16) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 39.0 | |
| Sept. 18, 2019, 11 p.m. | 39.6 ppb (37) | 18.0 ppb (17) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 37.0 | |
| Sept. 18, 2019, 10 p.m. | 42.4 ppb (39) | 20.3 ppb (19) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 39.0 | |
| Sept. 18, 2019, 9 p.m. | 40.9 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 | |
| Sept. 18, 2019, 8 p.m. | 36.9 ppb (34) | 17.7 ppb (16) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| Sept. 18, 2019, 7 p.m. | 44.9 ppb (42) | 23.6 ppb (22) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 42.0 | |
| Sept. 18, 2019, 6 p.m. | 52.2 ppb (48) | 28.6 ppb (26) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 48.0 | |
| Sept. 18, 2019, 5 p.m. | 55.0 ppb (51) | 31.2 ppb (29) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 51.0 | |
| Sept. 18, 2019, 4 p.m. | 61.0 ppb (57) | 36.6 ppb (34) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 57.0 | |
| Sept. 18, 2019, 3 p.m. | 59.4 ppb (56) | 36.3 ppb (34) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 56.0 | |
| Sept. 18, 2019, 2 p.m. | 67.2 ppb (64) | 43.0 ppb (40) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 64.0 | |
| Sept. 18, 2019, 1 p.m. | 60.6 ppb (57) | 41.0 ppb (38) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 57.0 | |
| Sept. 18, 2019, noon | 41.7 ppb (39) | 29.6 ppb (27) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 39.0 | |
| Sept. 18, 2019, 11 a.m. | 34.0 ppb (31) | 22.6 ppb (21) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 31.0 | |
| Sept. 18, 2019, 10 a.m. | 26.5 ppb (25) | 16.6 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 25.0 | |
| Sept. 18, 2019, 9 a.m. | 21.0 ppb (19) | 11.5 ppb (11) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 18, 2019, 8 a.m. | 16.0 ppb (15) | 5.6 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 15.0 | |
| Sept. 18, 2019, 7 a.m. | 22.1 ppb (20) | 5.4 ppb (5) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 20.0 | |
| Sept. 18, 2019, 6 a.m. | 26.2 ppb (24) | 8.4 ppb (8) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 24.0 | |
| Sept. 18, 2019, 5 a.m. | 27.8 ppb (26) | 8.9 ppb (8) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 26.0 | |
| Sept. 18, 2019, 4 a.m. | 33.4 ppb (31) | 11.1 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 31.0 | |
| Sept. 18, 2019, 3 a.m. | 44.9 ppb (42) | 19.4 ppb (18) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 42.0 | |
| Sept. 18, 2019, 2 a.m. | 36.8 ppb (34) | 15.6 ppb (14) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 34.0 | |
| Sept. 18, 2019, 1 a.m. | 25.1 ppb (23) | 7.5 ppb (7) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 23.0 | |
| Sept. 18, 2019, midnight | 24.8 ppb (23) | 8.7 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 23.0 | |
| Sept. 17, 2019, 11 p.m. | 19.9 ppb (18) | 7.8 ppb (7) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 17, 2019, 10 p.m. | 18.9 ppb (18) | 7.0 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 17, 2019, 9 p.m. | 23.2 ppb (21) | 9.5 ppb (9) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 17, 2019, 8 p.m. | 27.9 ppb (26) | 12.1 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 26.0 | |
| Sept. 17, 2019, 7 p.m. | 26.4 ppb (24) | 11.8 ppb (11) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 24.0 | |
| Sept. 17, 2019, 6 p.m. | 27.3 ppb (25) | 13.5 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 25.0 | |
| Sept. 17, 2019, 5 p.m. | 36.9 ppb (34) | 19.9 ppb (18) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| Sept. 17, 2019, 4 p.m. | 33.0 ppb (31) | 17.9 ppb (17) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 17, 2019, 3 p.m. | 25.0 ppb (23) | 12.7 ppb (12) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 17, 2019, 2 p.m. | 30.6 ppb (28) | 16.2 ppb (15) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 28.0 | |
| Sept. 17, 2019, 1 p.m. | 36.4 ppb (34) | 20.3 ppb (19) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| Sept. 17, 2019, noon | 35.7 ppb (33) | 20.2 ppb (19) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 33.0 | |
| Sept. 17, 2019, 11 a.m. | 29.3 ppb (27) | 16.3 ppb (15) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 27.0 | |
| Sept. 17, 2019, 10 a.m. | 19.8 ppb (18) | 9.9 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 17, 2019, 9 a.m. | 10.9 ppb (10) | 4.5 ppb (4) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 10.0 | |
| Sept. 17, 2019, 8 a.m. | 5.0 ppb (5) | 1.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 5.0 | |
| Sept. 17, 2019, 7 a.m. | 3.0 ppb (3) | 1.1 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 3.0 | |
| Sept. 17, 2019, 6 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 3.0 | |
| Sept. 17, 2019, 5 a.m. | 4.2 ppb (4) | 1.2 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 4.0 | |
| Sept. 17, 2019, 4 a.m. | 7.5 ppb (7) | 2.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 7.0 | |
| Sept. 17, 2019, 3 a.m. | 10.6 ppb (10) | 3.9 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 10.0 | |
| Sept. 17, 2019, 2 a.m. | 10.1 ppb (9) | 3.7 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 9.0 | |
| Sept. 17, 2019, 1 a.m. | 10.5 ppb (10) | 3.8 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 10.0 | |
| Sept. 17, 2019, midnight | 13.7 ppb (13) | 5.5 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 16, 2019, 11 p.m. | 14.5 ppb (13) | 6.1 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 16, 2019, 10 p.m. | 14.0 ppb (13) | 6.1 ppb (6) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 13.0 | |
| Sept. 16, 2019, 9 p.m. | 16.3 ppb (15) | 7.3 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 15.0 | |
| Sept. 16, 2019, 8 p.m. | 18.6 ppb (17) | 8.3 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2019, 7 p.m. | 18.8 ppb (17) | 8.5 ppb (8) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 17.0 | |
| Sept. 16, 2019, 6 p.m. | 23.0 ppb (21) | 11.5 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 21.0 | |
| Sept. 16, 2019, 5 p.m. | 26.1 ppb (24) | 13.3 ppb (12) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 24.0 | |
| Sept. 16, 2019, 4 p.m. | 25.1 ppb (23) | 12.7 ppb (12) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 23.0 | |
| Sept. 16, 2019, 3 p.m. | 33.5 ppb (31) | 19.5 ppb (18) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 31.0 | |
| Sept. 16, 2019, 2 p.m. | 50.0 ppb (46) | 34.1 ppb (32) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 46.0 | |
| Sept. 16, 2019, 1 p.m. | 63.7 ppb (60) | 48.7 ppb (45) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 60.0 | |
| Sept. 16, 2019, noon | 60.1 ppb (56) | 47.5 ppb (44) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 56.0 | |
| Sept. 16, 2019, 11 a.m. | 52.4 ppb (49) | 41.6 ppb (39) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 49.0 | |
| Sept. 16, 2019, 10 a.m. | 47.1 ppb (44) | 36.4 ppb (34) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 44.0 | |
| Sept. 16, 2019, 9 a.m. | 35.2 ppb (33) | 25.0 ppb (23) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 33.0 | |
| Sept. 16, 2019, 8 a.m. | 27.7 ppb (26) | 18.8 ppb (17) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 26.0 | |
| Sept. 16, 2019, 7 a.m. | 28.1 ppb (26) | 14.8 ppb (14) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 26.0 | |
| Sept. 16, 2019, 6 a.m. | 32.6 ppb (30) | 20.5 ppb (19) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 30.0 | |
| Sept. 16, 2019, 5 a.m. | 40.7 ppb (38) | 28.6 ppb (26) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 38.0 | |
| Sept. 16, 2019, 4 a.m. | 36.4 ppb (34) | 22.6 ppb (21) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 34.0 | |
| Sept. 16, 2019, 3 a.m. | 26.5 ppb (25) | 11.8 ppb (11) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 25.0 | |
| Sept. 16, 2019, 2 a.m. | 31.1 ppb (29) | 13.6 ppb (13) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 29.0 | |
| Sept. 16, 2019, 1 a.m. | 36.2 ppb (34) | 18.0 ppb (17) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 34.0 | |
| Sept. 16, 2019, midnight | 28.3 ppb (26) | 13.9 ppb (13) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 26.0 | |
| Sept. 15, 2019, 11 p.m. | 24.9 ppb (23) | 10.7 ppb (10) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 23.0 | |
| Sept. 15, 2019, 10 p.m. | 35.8 ppb (33) | 17.2 ppb (16) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 33.0 | |
| Sept. 15, 2019, 9 p.m. | 37.4 ppb (35) | 19.3 ppb (18) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 35.0 | |
| Sept. 15, 2019, 8 p.m. | 32.6 ppb (30) | 16.7 ppb (15) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 30.0 | |
| Sept. 15, 2019, 7 p.m. | 28.9 ppb (27) | 14.8 ppb (14) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 27.0 | |
| Sept. 15, 2019, 6 p.m. | 25.6 ppb (24) | 13.7 ppb (13) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 24.0 | |
| Sept. 15, 2019, 5 p.m. | 29.4 ppb (27) | 15.2 ppb (14) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 27.0 | |
| Sept. 15, 2019, 4 p.m. | 29.4 ppb (27) | 14.2 ppb (13) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 27.0 | |
| Sept. 15, 2019, 3 p.m. | 33.0 ppb (31) | 18.1 ppb (17) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 31.0 | |
| Sept. 15, 2019, 2 p.m. | 39.4 ppb (36) | 24.9 ppb (23) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 36.0 | |
| Sept. 15, 2019, 1 p.m. | 40.0 ppb (37) | 24.7 ppb (23) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 37.0 | |
| Sept. 15, 2019, noon | 31.7 ppb (29) | 17.4 ppb (16) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 29.0 | |
| Sept. 15, 2019, 11 a.m. | 23.8 ppb (22) | 12.1 ppb (11) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 22.0 | |
| Sept. 15, 2019, 10 a.m. | 25.8 ppb (24) | 15.0 ppb (14) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 24.0 | |
| Sept. 15, 2019, 9 a.m. | 26.8 ppb (25) | 16.7 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 25.0 | |
| Sept. 15, 2019, 8 a.m. | 26.8 ppb (25) | 16.4 ppb (15) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 25.0 | |
| Sept. 15, 2019, 7 a.m. | 27.0 ppb (25) | 13.3 ppb (12) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 25.0 | |
| Sept. 15, 2019, 6 a.m. | 25.4 ppb (24) | 9.9 ppb (9) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 24.0 | |
| Sept. 15, 2019, 5 a.m. | 25.2 ppb (23) | 8.8 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 23.0 | |
| Sept. 15, 2019, 4 a.m. | 24.5 ppb (23) | 8.2 ppb (8) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 23.0 | |
| Sept. 15, 2019, 3 a.m. | 27.7 ppb (26) | 7.6 ppb (7) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 26.0 | |
| Sept. 15, 2019, 2 a.m. | 33.7 ppb (31) | 10.3 ppb (10) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 31.0 | |
| Sept. 15, 2019, 1 a.m. | 29.1 ppb (27) | 9.2 ppb (9) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 27.0 | |
| Sept. 15, 2019, midnight | 17.0 ppb (16) | 5.2 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 14, 2019, 11 p.m. | 19.9 ppb (18) | 8.6 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 18.0 | |
| Sept. 14, 2019, 10 p.m. | 23.4 ppb (22) | 11.0 ppb (10) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 22.0 | |
| Sept. 14, 2019, 9 p.m. | 20.8 ppb (19) | 10.8 ppb (10) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 14, 2019, 8 p.m. | 22.6 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 | |
| Sept. 14, 2019, 7 p.m. | 21.6 ppb (20) | 12.3 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 20.0 | |
| Sept. 14, 2019, 6 p.m. | 20.8 ppb (19) | 11.8 ppb (11) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 19.0 | |
| Sept. 14, 2019, 5 p.m. | 23.6 ppb (22) | 14.0 ppb (13) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 22.0 | |
| Sept. 14, 2019, 4 p.m. | 22.1 ppb (20) | 13.5 ppb (12) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 20.0 | |
| Sept. 14, 2019, 3 p.m. | 18.1 ppb (17) | 11.0 ppb (10) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 17.0 | |
| Sept. 14, 2019, 2 p.m. | 25.3 ppb (23) | 16.4 ppb (15) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 23.0 | |
| Sept. 14, 2019, 1 p.m. | 36.8 ppb (34) | 25.3 ppb (23) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 34.0 | |
| Sept. 14, 2019, noon | 47.8 ppb (44) | 33.6 ppb (31) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 44.0 |