Detroit MI, US: 42.38599, -83.266319
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 17, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| May 17, 2019, 6 a.m. | 14.5 ppb (13) | 3.0 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| May 17, 2019, 5 a.m. | 15.5 ppb (14) | 4.1 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| May 17, 2019, 4 a.m. | 28.6 ppb (26) | 9.7 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| May 17, 2019, 3 a.m. | 45.8 ppb (42) | 17.1 ppb (16) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| May 17, 2019, 2 a.m. | 50.6 ppb (47) | 17.8 ppb (16) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| May 17, 2019, 1 a.m. | 42.4 ppb (39) | 16.3 ppb (15) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| May 17, 2019, midnight | 29.3 ppb (27) | 10.7 ppb (10) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| May 16, 2019, 11 p.m. | 26.5 ppb (25) | 11.2 ppb (10) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| May 16, 2019, 10 p.m. | 31.2 ppb (29) | 14.5 ppb (13) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 | |
| May 16, 2019, 9 p.m. | 39.1 ppb (36) | 18.7 ppb (17) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| May 16, 2019, 8 p.m. | 40.2 ppb (37) | 22.2 ppb (21) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| May 16, 2019, 7 p.m. | 59.2 ppb (56) | 30.5 ppb (28) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 | |
| May 16, 2019, 6 p.m. | 71.1 ppb (68) | 36.8 ppb (34) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 | |
| May 16, 2019, 5 p.m. | 65.6 ppb (62) | 34.4 ppb (32) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 | |
| May 16, 2019, 4 p.m. | 71.1 ppb (68) | 38.6 ppb (36) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 | |
| May 16, 2019, 3 p.m. | 64.1 ppb (61) | 35.3 ppb (33) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 | |
| May 16, 2019, 2 p.m. | 63.0 ppb (60) | 36.9 ppb (34) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| May 16, 2019, 1 p.m. | 103.7 ppb (101) | 66.3 ppb (63) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 | |
| May 16, 2019, noon | 99.4 ppb (98) | 62.1 ppb (59) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 98.0 | |
| May 16, 2019, 11 a.m. | 49.6 ppb (46) | 32.2 ppb (30) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| May 16, 2019, 10 a.m. | 35.9 ppb (33) | 16.2 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| May 16, 2019, 9 a.m. | 41.0 ppb (38) | 20.5 ppb (19) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| May 16, 2019, 8 a.m. | 33.4 ppb (31) | 12.1 ppb (11) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| May 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| May 16, 2019, 6 a.m. | 7.8 ppb (7) | 1.4 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| May 16, 2019, 5 a.m. | 12.4 ppb (11) | 2.4 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| May 16, 2019, 4 a.m. | 9.9 ppb (9) | 1.8 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| May 16, 2019, 3 a.m. | 14.9 ppb (14) | 3.5 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| May 16, 2019, 2 a.m. | 12.4 ppb (11) | 3.1 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| May 16, 2019, 1 a.m. | 15.5 ppb (14) | 4.3 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| May 16, 2019, midnight | 13.8 ppb (13) | 4.0 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| May 15, 2019, 11 p.m. | 18.4 ppb (17) | 6.2 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| May 15, 2019, 10 p.m. | 18.1 ppb (17) | 6.1 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| May 15, 2019, 9 p.m. | 16.6 ppb (15) | 5.5 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| May 15, 2019, 8 p.m. | 26.7 ppb (25) | 9.2 ppb (9) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| May 15, 2019, 7 p.m. | 43.6 ppb (40) | 20.8 ppb (19) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 40.0 | |
| May 15, 2019, 6 p.m. | 39.3 ppb (36) | 18.1 ppb (17) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| May 15, 2019, 5 p.m. | 45.8 ppb (42) | 22.5 ppb (21) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| May 15, 2019, 4 p.m. | 18.9 ppb (18) | 7.8 ppb (7) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 | |
| May 15, 2019, 3 p.m. | 33.3 ppb (31) | 16.1 ppb (15) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| May 15, 2019, 2 p.m. | 55.6 ppb (52) | 29.3 ppb (27) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| May 15, 2019, 1 p.m. | 94.5 ppb (93) | 58.3 ppb (55) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 93.0 | |
| May 15, 2019, noon | 132.8 ppb (106) | 91.1 ppb (89) | N/A | 42.0 ppb (39) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 106.0 | |
| May 15, 2019, 11 a.m. | 134.0 ppb (106) | 94.3 ppb (93) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 106.0 | |
| May 15, 2019, 10 a.m. | 117.8 ppb (103) | 80.1 ppb (78) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 103.0 | |
| May 15, 2019, 9 a.m. | 86.2 ppb (84) | 52.2 ppb (48) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 84.0 | |
| May 15, 2019, 8 a.m. | 49.3 ppb (46) | 19.5 ppb (18) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.1 ppb (1) | N/A | N/A | 46.0 | |
| May 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 2.0 | |
| May 15, 2019, 6 a.m. | 67.9 ppb (65) | 35.8 ppb (33) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | 0.3 ppb (3) | N/A | N/A | 65.0 | |
| May 15, 2019, 5 a.m. | 63.0 ppb (60) | 26.7 ppb (25) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 | |
| May 15, 2019, 4 a.m. | 48.8 ppb (45) | 20.9 ppb (19) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 45.0 | |
| May 15, 2019, 3 a.m. | 41.7 ppb (39) | 11.5 ppb (11) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | 0.2 ppb (2) | N/A | N/A | 39.0 | |
| May 15, 2019, 2 a.m. | 51.6 ppb (48) | 18.0 ppb (17) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 48.0 | |
| May 15, 2019, 1 a.m. | 62.0 ppb (59) | 25.9 ppb (24) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 59.0 | |
| May 15, 2019, midnight | 20.1 ppb (19) | 6.8 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 19.0 | |
| May 14, 2019, 11 p.m. | 16.0 ppb (15) | 6.9 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| May 14, 2019, 10 p.m. | 15.7 ppb (15) | 6.8 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| May 14, 2019, 9 p.m. | 15.1 ppb (14) | 7.9 ppb (7) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| May 14, 2019, 8 p.m. | 13.6 ppb (13) | 6.2 ppb (6) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| May 14, 2019, 7 p.m. | 11.4 ppb (11) | 5.5 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 | |
| May 14, 2019, 6 p.m. | 11.6 ppb (11) | 5.8 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 | |
| May 14, 2019, 5 p.m. | 12.2 ppb (11) | 6.4 ppb (6) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 11.0 | |
| May 14, 2019, 4 p.m. | 13.0 ppb (12) | 5.8 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.0 | |
| May 14, 2019, 3 p.m. | 19.2 ppb (18) | 9.4 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| May 14, 2019, 2 p.m. | 24.3 ppb (23) | 13.4 ppb (12) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 23.0 | |
| May 14, 2019, 1 p.m. | 30.0 ppb (28) | 17.0 ppb (16) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| May 14, 2019, noon | 47.1 ppb (44) | 27.9 ppb (26) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 44.0 | |
| May 13, 2019, 8 a.m. | 8.0 ppb (7) | 3.3 ppb (3) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 7.0 | |
| May 13, 2019, 7 a.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 | |
| May 13, 2019, 6 a.m. | 6.0 ppb (6) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 6.0 | |
| May 13, 2019, 5 a.m. | 7.3 ppb (7) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| May 13, 2019, 4 a.m. | 7.8 ppb (7) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 7.0 | |
| May 13, 2019, 3 a.m. | 8.3 ppb (8) | 0.8 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 8.0 | |
| May 13, 2019, 2 a.m. | 9.9 ppb (9) | 1.8 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 9.0 | |
| May 13, 2019, 1 a.m. | 12.1 ppb (11) | 2.8 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 11.0 | |
| May 13, 2019, midnight | 9.9 ppb (9) | 2.6 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 9.0 | |
| May 12, 2019, 11 p.m. | 11.2 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 10.0 | |
| May 12, 2019, 10 p.m. | 10.8 ppb (10) | 2.1 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 10.0 | |
| May 12, 2019, 9 p.m. | 7.9 ppb (7) | 1.9 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 7.0 | |
| May 12, 2019, 8 p.m. | 7.7 ppb (7) | 2.2 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 7.0 | |
| May 12, 2019, 7 p.m. | 7.5 ppb (7) | 2.1 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 7.0 | |
| May 12, 2019, 6 p.m. | 9.0 ppb (8) | 2.8 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 8.0 | |
| May 12, 2019, 5 p.m. | 9.4 ppb (9) | 2.7 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 9.0 | |
| May 12, 2019, 4 p.m. | 10.2 ppb (9) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 9.0 | |
| May 12, 2019, 3 p.m. | 8.8 ppb (8) | 2.2 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 2 p.m. | 6.8 ppb (6) | 1.4 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 1 p.m. | 5.3 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, noon | 5.4 ppb (5) | 0.8 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 11 a.m. | 7.3 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 10 a.m. | 7.3 ppb (7) | 0.1 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 9 a.m. | 6.4 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 8 a.m. | 6.1 ppb (6) | 0.1 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 7 a.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 | |
| May 12, 2019, 6 a.m. | 4.6 ppb (4) | 0.4 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 8.0 | |
| May 12, 2019, 5 a.m. | 5.6 ppb (5) | 0.7 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| May 12, 2019, 4 a.m. | 6.9 ppb (6) | 1.2 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 12, 2019, 3 a.m. | 7.7 ppb (7) | 1.7 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 12, 2019, 2 a.m. | 7.3 ppb (7) | 1.1 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 12, 2019, 1 a.m. | 8.4 ppb (8) | 1.2 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 12, 2019, midnight | 7.8 ppb (7) | 1.8 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 11 p.m. | 6.8 ppb (6) | 1.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 10 p.m. | 9.5 ppb (9) | 2.5 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 9 p.m. | 9.7 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 8 p.m. | 10.1 ppb (9) | 3.3 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 7 p.m. | 8.6 ppb (8) | 2.3 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 9.0 | |
| May 11, 2019, 6 p.m. | 15.4 ppb (14) | 5.5 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 14.0 | |
| May 11, 2019, 5 p.m. | 19.7 ppb (18) | 8.7 ppb (8) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 18.0 | |
| May 11, 2019, 4 p.m. | 25.3 ppb (23) | 11.6 ppb (11) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 23.0 | |
| May 11, 2019, 3 p.m. | 21.0 ppb (19) | 8.1 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 19.0 | |
| May 11, 2019, 2 p.m. | 15.7 ppb (15) | 6.5 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 15.0 | |
| May 11, 2019, 1 p.m. | 23.2 ppb (21) | 10.1 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 21.0 | |
| May 11, 2019, noon | 13.1 ppb (12) | 3.2 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 12.0 | |
| May 11, 2019, 11 a.m. | 20.6 ppb (19) | 6.4 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 19.0 | |
| May 11, 2019, 10 a.m. | 18.4 ppb (17) | 6.1 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 17.0 | |
| May 11, 2019, 9 a.m. | 16.2 ppb (15) | 4.9 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 15.0 | |
| May 11, 2019, 8 a.m. | 11.3 ppb (10) | 2.3 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 10.0 | |
| May 11, 2019, 7 a.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 | |
| May 11, 2019, 6 a.m. | 17.7 ppb (16) | 4.1 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 16.0 | |
| May 11, 2019, 5 a.m. | 21.8 ppb (20) | 5.6 ppb (5) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| May 11, 2019, 4 a.m. | 19.8 ppb (18) | 5.9 ppb (5) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 18.0 | |
| May 11, 2019, 3 a.m. | 20.0 ppb (19) | 5.6 ppb (5) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 19.0 | |
| May 11, 2019, 2 a.m. | 21.2 ppb (20) | 8.1 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 20.0 | |
| May 11, 2019, 1 a.m. | 17.3 ppb (16) | 6.1 ppb (6) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 16.0 | |
| May 11, 2019, midnight | 12.6 ppb (12) | 4.9 ppb (5) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 12.0 | |
| May 10, 2019, 11 p.m. | 11.8 ppb (11) | 5.2 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 11.0 | |
| May 10, 2019, 10 p.m. | 9.7 ppb (9) | 4.4 ppb (4) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 9.0 | |
| May 10, 2019, 9 p.m. | 10.7 ppb (10) | 5.0 ppb (5) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 10.0 | |
| May 10, 2019, 8 p.m. | 15.4 ppb (14) | 7.8 ppb (7) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 14.0 | |
| May 10, 2019, 7 p.m. | 20.4 ppb (19) | 11.1 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 19.0 | |
| May 10, 2019, 6 p.m. | 16.6 ppb (15) | 9.5 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 15.0 | |
| May 10, 2019, 5 p.m. | 10.2 ppb (9) | 5.8 ppb (5) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 9.0 | |
| May 10, 2019, 4 p.m. | 16.3 ppb (15) | 9.4 ppb (9) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 15.0 | |
| May 10, 2019, 3 p.m. | 19.6 ppb (18) | 10.9 ppb (10) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 18.0 | |
| May 10, 2019, 2 p.m. | 15.5 ppb (14) | 8.7 ppb (8) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 14.0 | |
| May 10, 2019, 1 p.m. | 36.3 ppb (34) | 21.6 ppb (20) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 34.0 | |
| May 10, 2019, noon | 43.0 ppb (40) | 25.9 ppb (24) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 40.0 | |
| May 10, 2019, 11 a.m. | 28.3 ppb (26) | 17.4 ppb (16) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 26.0 | |
| May 10, 2019, 10 a.m. | 70.8 ppb (68) | 46.8 ppb (43) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 1.0 ppb (11) | N/A | N/A | 68.0 | |
| May 10, 2019, 9 a.m. | 26.6 ppb (25) | 14.8 ppb (14) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 25.0 | |
| May 10, 2019, 8 a.m. | 3.8 ppb (4) | 0.9 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 7.0 | |
| May 10, 2019, 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 | |
| May 10, 2019, 6 a.m. | 2.4 ppb (2) | -0.2 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | 0.6 ppb (7) | N/A | N/A | 7.0 | |
| May 10, 2019, 5 a.m. | 3.2 ppb (3) | -0.1 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| May 10, 2019, 4 a.m. | 21.5 ppb (20) | 8.5 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 20.0 | |
| May 10, 2019, 3 a.m. | 29.7 ppb (28) | 12.4 ppb (11) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 28.0 | |
| May 10, 2019, 2 a.m. | 28.3 ppb (26) | 11.9 ppb (11) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 26.0 | |
| May 10, 2019, 1 a.m. | 27.8 ppb (26) | 13.1 ppb (12) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 26.0 | |
| May 10, 2019, midnight | 23.2 ppb (21) | 10.2 ppb (9) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 21.0 | |
| May 9, 2019, 11 p.m. | 38.0 ppb (35) | 16.5 ppb (15) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 35.0 | |
| May 9, 2019, 10 p.m. | 36.7 ppb (34) | 18.0 ppb (17) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 34.0 | |
| May 9, 2019, 9 p.m. | 42.4 ppb (39) | 21.7 ppb (20) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 39.0 | |
| May 9, 2019, 8 p.m. | 46.7 ppb (43) | 25.5 ppb (24) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 43.0 | |
| May 9, 2019, 7 p.m. | 45.8 ppb (42) | 25.6 ppb (24) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 42.0 | |
| May 9, 2019, 6 p.m. | 52.1 ppb (48) | 30.5 ppb (28) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 48.0 | |
| May 9, 2019, 5 p.m. | 48.4 ppb (45) | 27.1 ppb (25) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 45.0 | |
| May 9, 2019, 4 p.m. | 43.3 ppb (40) | 24.6 ppb (23) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 40.0 | |
| May 9, 2019, 3 p.m. | 50.0 ppb (46) | 29.6 ppb (27) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 46.0 | |
| May 9, 2019, 2 p.m. | 54.8 ppb (51) | 30.8 ppb (29) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | 0.8 ppb (9) | N/A | N/A | 51.0 | |
| May 9, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.3 ppb (14) | N/A | N/A | 14.0 | |
| May 9, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.2 ppb (13) | N/A | N/A | 13.0 | |
| May 9, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 1.1 ppb (12) | N/A | N/A | 12.0 | |
| May 9, 2019, 10 a.m. | 73.7 ppb (71) | 40.0 ppb (37) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | 0.9 ppb (10) | N/A | N/A | 71.0 | |
| May 9, 2019, 9 a.m. | 46.1 ppb (43) | 20.5 ppb (19) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | 0.7 ppb (8) | N/A | N/A | 43.0 | |
| May 9, 2019, 8 a.m. | 32.7 ppb (30) | 10.9 ppb (10) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | 0.5 ppb (6) | N/A | N/A | 30.0 | |
| May 9, 2019, 7 a.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 | |
| May 9, 2019, 6 a.m. | 11.6 ppb (11) | 2.3 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | 0.4 ppb (4) | N/A | N/A | 11.0 | |
| May 9, 2019, 5 a.m. | 9.1 ppb (8) | 1.3 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 |