Salt Lake City (Clover Crest Number 2) UT, US: 40.662841, -111.901796
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 21, 2020, 6 p.m. | 58.5 ppb (55) | 28.5 ppb (26) | N/A | 30.0 ppb (28) | N/A | N/A | 9.0 ppb (7) | 0.0 ppb (0) | N/A | N/A | 55.0 | |
| Jan. 21, 2020, 5 p.m. | 36.9 ppb (34) | 11.8 ppb (11) | N/A | 25.0 ppb (23) | N/A | N/A | 13.0 ppb (10) | 0.0 ppb (0) | N/A | N/A | 34.0 | |
| Jan. 21, 2020, 4 p.m. | 73.5 ppb (71) | 36.9 ppb (34) | N/A | 37.0 ppb (34) | N/A | N/A | 3.0 ppb (2) | 0.2 ppb (2) | N/A | N/A | 71.0 | |
| Jan. 21, 2020, 3 p.m. | 97.6 ppb (96) | 57.1 ppb (53) | N/A | 41.0 ppb (38) | N/A | N/A | 0.0 ppb (0) | 0.4 ppb (4) | N/A | N/A | 96.0 | |
| Jan. 21, 2020, 2 p.m. | 75.8 ppb (73) | 39.1 ppb (36) | N/A | 37.0 ppb (34) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 73.0 | |
| Jan. 21, 2020, 1 p.m. | 43.2 ppb (40) | 12.0 ppb (11) | N/A | 32.0 ppb (30) | N/A | N/A | 3.0 ppb (2) | 0.0 ppb (0) | N/A | N/A | 40.0 | |
| Jan. 21, 2020, noon | 27.7 ppb (26) | 2.2 ppb (2) | N/A | 26.0 ppb (24) | N/A | N/A | 11.0 ppb (8) | 0.0 ppb (0) | N/A | N/A | 26.0 | |
| Jan. 21, 2020, 11 a.m. | 46.5 ppb (43) | 9.6 ppb (9) | N/A | 37.0 ppb (34) | N/A | N/A | -1.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | 43.0 | |
| Jan. 21, 2020, 10 a.m. | 48.0 ppb (44) | 10.0 ppb (9) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | 44.0 | |
| Jan. 21, 2020, 9 a.m. | 55.8 ppb (52) | 14.5 ppb (13) | N/A | 42.0 ppb (39) | N/A | N/A | 0.0 ppb (0) | 0.0 ppb (0) | N/A | N/A | 52.0 | |
| Jan. 21, 2020, 8 a.m. | 46.9 ppb (43) | 7.7 ppb (7) | N/A | 40.0 ppb (37) | N/A | N/A | 1.0 ppb (1) | 0.0 ppb (0) | N/A | N/A | 43.0 | |
| Jan. 21, 2020, 7 a.m. | 45.5 ppb (42) | 7.3 ppb (7) | N/A | 39.0 ppb (36) | N/A | N/A | 3.0 ppb (2) | 0.0 ppb (0) | N/A | N/A | 42.0 | |
| Jan. 21, 2020, 6 a.m. | 50.2 ppb (46) | 11.1 ppb (10) | N/A | 40.0 ppb (37) | N/A | N/A | 1.0 ppb (1) | 0.0 ppb (0) | N/A | N/A | 46.0 | |
| Jan. 21, 2020, 5 a.m. | 66.7 ppb (64) | 26.2 ppb (24) | N/A | 41.0 ppb (38) | N/A | N/A | 0.0 ppb (0) | 0.1 ppb (1) | N/A | N/A | 64.0 | |
| Jan. 21, 2020, 4 a.m. | 68.9 ppb (66) | 30.5 ppb (28) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 66.0 | |
| Jan. 21, 2020, 3 a.m. | 68.0 ppb (65) | 27.7 ppb (26) | N/A | 41.0 ppb (38) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 65.0 | |
| Jan. 21, 2020, 2 a.m. | 67.6 ppb (64) | 28.7 ppb (27) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 64.0 | |
| Jan. 21, 2020, 1 a.m. | 42.5 ppb (39) | 8.9 ppb (8) | N/A | 34.0 ppb (31) | N/A | N/A | 3.0 ppb (2) | 0.0 ppb (0) | N/A | N/A | 39.0 | |
| Jan. 21, 2020, midnight | 45.0 ppb (42) | 8.3 ppb (8) | N/A | 37.0 ppb (34) | N/A | N/A | 1.0 ppb (1) | 0.0 ppb (0) | N/A | N/A | 42.0 | |
| Jan. 20, 2020, 11 p.m. | 41.6 ppb (39) | 8.9 ppb (8) | N/A | 33.0 ppb (31) | N/A | N/A | 6.0 ppb (5) | 0.0 ppb (0) | N/A | N/A | 39.0 | |
| Jan. 20, 2020, 10 p.m. | 115.7 ppb (103) | 67.9 ppb (65) | N/A | 48.0 ppb (44) | N/A | N/A | 2.0 ppb (2) | 0.4 ppb (4) | N/A | N/A | 103.0 | |
| Jan. 20, 2020, 9 p.m. | 176.7 ppb (115) | 120.7 ppb (104) | N/A | 56.0 ppb (52) | N/A | N/A | 2.0 ppb (2) | 0.8 ppb (9) | N/A | N/A | 115.0 | |
| Jan. 20, 2020, 8 p.m. | 150.5 ppb (110) | 101.1 ppb (100) | N/A | 50.0 ppb (46) | N/A | N/A | 2.0 ppb (2) | 0.6 ppb (7) | N/A | N/A | 110.0 | |
| Jan. 20, 2020, 7 p.m. | 152.7 ppb (110) | 101.8 ppb (100) | N/A | 51.0 ppb (47) | N/A | N/A | 2.0 ppb (2) | 0.6 ppb (7) | N/A | N/A | 110.0 | |
| Jan. 20, 2020, 6 p.m. | 157.1 ppb (111) | 109.3 ppb (102) | N/A | 48.0 ppb (44) | N/A | N/A | 1.0 ppb (1) | 0.6 ppb (7) | N/A | N/A | 111.0 | |
| Jan. 20, 2020, 5 p.m. | 172.2 ppb (114) | 124.6 ppb (105) | N/A | 48.0 ppb (44) | N/A | N/A | 1.0 ppb (1) | 0.7 ppb (8) | N/A | N/A | 114.0 | |
| Jan. 20, 2020, 4 p.m. | 170.1 ppb (113) | 125.3 ppb (105) | N/A | 45.0 ppb (42) | N/A | N/A | 0.0 ppb (0) | 0.9 ppb (10) | N/A | N/A | 113.0 | |
| Jan. 20, 2020, 3 p.m. | 169.8 ppb (113) | 127.4 ppb (105) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.9 ppb (10) | N/A | N/A | 113.0 | |
| Jan. 20, 2020, 2 p.m. | 144.3 ppb (108) | 103.9 ppb (101) | N/A | 41.0 ppb (38) | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 108.0 | |
| Jan. 20, 2020, 1 p.m. | 116.7 ppb (103) | 78.3 ppb (76) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 103.0 | |
| Jan. 20, 2020, noon | 105.6 ppb (101) | 68.3 ppb (65) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 101.0 | |
| Jan. 20, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | -1.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 3.0 | |
| Jan. 20, 2020, 10 a.m. | 97.6 ppb (96) | 60.9 ppb (57) | N/A | 37.0 ppb (34) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 96.0 | |
| Jan. 20, 2020, 9 a.m. | 97.6 ppb (96) | 60.4 ppb (57) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 96.0 | |
| Jan. 20, 2020, 8 a.m. | 103.9 ppb (101) | 65.7 ppb (62) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 101.0 | |
| Jan. 20, 2020, 7 a.m. | 93.9 ppb (92) | 59.4 ppb (56) | N/A | 35.0 ppb (32) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 92.0 | |
| Jan. 20, 2020, 6 a.m. | 116.4 ppb (103) | 78.0 ppb (76) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 103.0 | |
| Jan. 20, 2020, 5 a.m. | 83.1 ppb (81) | 48.7 ppb (45) | N/A | 35.0 ppb (32) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 81.0 | |
| Jan. 20, 2020, 4 a.m. | 63.8 ppb (60) | 29.7 ppb (28) | N/A | 35.0 ppb (32) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 60.0 | |
| Jan. 20, 2020, 3 a.m. | 49.0 ppb (45) | 15.5 ppb (14) | N/A | 34.0 ppb (31) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 45.0 | |
| Jan. 20, 2020, 2 a.m. | 35.1 ppb (32) | 4.4 ppb (4) | N/A | 31.0 ppb (29) | N/A | N/A | 3.0 ppb (2) | 0.0 ppb (0) | N/A | N/A | 32.0 | |
| Jan. 20, 2020, 1 a.m. | 22.8 ppb (21) | 0.8 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 13.0 ppb (10) | 0.0 ppb (0) | N/A | N/A | 21.0 | |
| Jan. 20, 2020, midnight | 23.4 ppb (22) | 1.6 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | 15.0 ppb (12) | 0.0 ppb (0) | N/A | N/A | 22.0 | |
| Jan. 19, 2020, 11 p.m. | 27.0 ppb (25) | 5.4 ppb (5) | N/A | 22.0 ppb (20) | N/A | N/A | 19.0 ppb (15) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 19, 2020, 10 p.m. | 34.5 ppb (32) | 10.9 ppb (10) | N/A | 24.0 ppb (22) | N/A | N/A | 24.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 32.0 | |
| Jan. 19, 2020, 9 p.m. | 29.9 ppb (28) | 11.9 ppb (11) | N/A | 18.0 ppb (17) | N/A | N/A | 26.0 ppb (20) | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| Jan. 19, 2020, 8 p.m. | 29.1 ppb (27) | 13.3 ppb (12) | N/A | 16.0 ppb (15) | N/A | N/A | 24.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 27.0 | |
| Jan. 19, 2020, 7 p.m. | 37.5 ppb (35) | 20.3 ppb (19) | N/A | 18.0 ppb (17) | N/A | N/A | 22.0 ppb (17) | 0.1 ppb (1) | N/A | N/A | 35.0 | |
| Jan. 19, 2020, 6 p.m. | 28.4 ppb (26) | 14.0 ppb (13) | N/A | 15.0 ppb (14) | N/A | N/A | 25.0 ppb (19) | 0.0 ppb (0) | N/A | N/A | 26.0 | |
| Jan. 19, 2020, 5 p.m. | 29.6 ppb (27) | 14.8 ppb (14) | N/A | 15.0 ppb (14) | N/A | N/A | 23.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 27.0 | |
| Jan. 19, 2020, 4 p.m. | 72.3 ppb (69) | 42.0 ppb (39) | N/A | 31.0 ppb (29) | N/A | N/A | 9.0 ppb (7) | 0.2 ppb (2) | N/A | N/A | 69.0 | |
| Jan. 19, 2020, 3 p.m. | 98.1 ppb (97) | 61.3 ppb (58) | N/A | 37.0 ppb (34) | N/A | N/A | 1.0 ppb (1) | 0.4 ppb (4) | N/A | N/A | 97.0 | |
| Jan. 19, 2020, 2 p.m. | 86.4 ppb (84) | 48.7 ppb (45) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 84.0 | |
| Jan. 19, 2020, 1 p.m. | 75.5 ppb (73) | 37.5 ppb (35) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 73.0 | |
| Jan. 19, 2020, noon | 88.3 ppb (86) | 50.1 ppb (46) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 86.0 | |
| Jan. 19, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 0.4 ppb (4) | N/A | N/A | 4.0 | |
| Jan. 19, 2020, 10 a.m. | 120.2 ppb (104) | 82.0 ppb (80) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 104.0 | |
| Jan. 19, 2020, 9 a.m. | 98.1 ppb (97) | 62.7 ppb (59) | N/A | 36.0 ppb (33) | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 97.0 | |
| Jan. 19, 2020, 8 a.m. | 112.3 ppb (102) | 74.9 ppb (72) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (9) | N/A | N/A | 102.0 | |
| Jan. 19, 2020, 7 a.m. | 121.3 ppb (104) | 82.7 ppb (81) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (9) | N/A | N/A | 104.0 | |
| Jan. 19, 2020, 6 a.m. | 115.5 ppb (103) | 75.8 ppb (73) | N/A | 40.0 ppb (37) | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (9) | N/A | N/A | 103.0 | |
| Jan. 19, 2020, 5 a.m. | 115.6 ppb (103) | 75.6 ppb (73) | N/A | 40.0 ppb (37) | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (9) | N/A | N/A | 103.0 | |
| Jan. 19, 2020, 4 a.m. | 105.7 ppb (101) | 66.4 ppb (63) | N/A | 40.0 ppb (37) | N/A | N/A | 0.0 ppb (0) | 0.8 ppb (9) | N/A | N/A | 101.0 | |
| Jan. 19, 2020, 3 a.m. | 72.8 ppb (70) | 34.6 ppb (32) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 70.0 | |
| Jan. 19, 2020, 2 a.m. | 50.9 ppb (47) | 13.7 ppb (13) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 47.0 | |
| Jan. 19, 2020, 1 a.m. | 34.3 ppb (32) | 5.4 ppb (5) | N/A | 29.0 ppb (27) | N/A | N/A | 7.0 ppb (5) | 0.1 ppb (1) | N/A | N/A | 32.0 | |
| Jan. 19, 2020, midnight | 24.3 ppb (23) | 1.9 ppb (2) | N/A | 23.0 ppb (21) | N/A | N/A | 14.0 ppb (11) | 0.0 ppb (0) | N/A | N/A | 23.0 | |
| Jan. 18, 2020, 11 p.m. | 20.4 ppb (19) | 7.0 ppb (6) | N/A | 14.0 ppb (13) | N/A | N/A | 26.0 ppb (20) | 0.0 ppb (0) | N/A | N/A | 20.0 | |
| Jan. 18, 2020, 10 p.m. | 31.0 ppb (29) | 14.4 ppb (13) | N/A | 17.0 ppb (16) | N/A | N/A | 24.0 ppb (18) | 0.1 ppb (1) | N/A | N/A | 29.0 | |
| Jan. 18, 2020, 9 p.m. | 34.6 ppb (32) | 18.0 ppb (17) | N/A | 17.0 ppb (16) | N/A | N/A | 23.0 ppb (18) | 0.1 ppb (1) | N/A | N/A | 32.0 | |
| Jan. 18, 2020, 8 p.m. | 35.6 ppb (33) | 19.3 ppb (18) | N/A | 17.0 ppb (16) | N/A | N/A | 23.0 ppb (18) | 0.1 ppb (1) | N/A | N/A | 33.0 | |
| Jan. 18, 2020, 7 p.m. | 31.7 ppb (29) | 18.4 ppb (17) | N/A | 14.0 ppb (13) | N/A | N/A | 24.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| Jan. 18, 2020, 6 p.m. | 15.6 ppb (14) | 7.0 ppb (6) | N/A | 9.0 ppb (8) | N/A | N/A | 27.0 ppb (21) | 0.0 ppb (0) | N/A | N/A | 21.0 | |
| Jan. 18, 2020, 5 p.m. | 30.9 ppb (29) | 15.8 ppb (15) | N/A | 15.0 ppb (14) | N/A | N/A | 21.0 ppb (16) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| Jan. 18, 2020, 4 p.m. | 19.2 ppb (18) | 6.4 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | 22.0 ppb (17) | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| Jan. 18, 2020, 3 p.m. | 51.5 ppb (48) | 22.4 ppb (21) | N/A | 30.0 ppb (28) | N/A | N/A | 8.0 ppb (6) | 0.1 ppb (1) | N/A | N/A | 48.0 | |
| Jan. 18, 2020, 2 p.m. | 58.6 ppb (55) | 25.2 ppb (23) | N/A | 34.0 ppb (31) | N/A | N/A | 2.0 ppb (2) | 0.1 ppb (1) | N/A | N/A | 55.0 | |
| Jan. 18, 2020, 1 p.m. | 32.4 ppb (30) | 10.1 ppb (9) | N/A | 23.0 ppb (21) | N/A | N/A | 12.0 ppb (9) | 0.0 ppb (0) | N/A | N/A | 30.0 | |
| Jan. 18, 2020, noon | 19.2 ppb (18) | 2.6 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 17.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| Jan. 18, 2020, 11 a.m. | 33.5 ppb (31) | 7.9 ppb (7) | N/A | 26.0 ppb (24) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | N/A | 31.0 | |
| Jan. 18, 2020, 10 a.m. | 34.5 ppb (32) | 6.9 ppb (6) | N/A | 28.0 ppb (26) | N/A | N/A | 6.0 ppb (5) | 0.0 ppb (0) | N/A | N/A | 32.0 | |
| Jan. 18, 2020, 9 a.m. | 37.4 ppb (35) | 7.7 ppb (7) | N/A | 30.0 ppb (28) | N/A | N/A | 5.0 ppb (4) | 0.1 ppb (1) | N/A | N/A | 35.0 | |
| Jan. 18, 2020, 8 a.m. | 44.4 ppb (41) | 10.4 ppb (10) | N/A | 34.0 ppb (31) | N/A | N/A | 1.0 ppb (1) | 0.1 ppb (1) | N/A | N/A | 41.0 | |
| Jan. 18, 2020, 7 a.m. | 78.6 ppb (76) | 41.0 ppb (38) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.4 ppb (4) | N/A | N/A | 76.0 | |
| Jan. 18, 2020, 6 a.m. | 60.3 ppb (57) | 25.8 ppb (24) | N/A | 35.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.3 ppb (3) | N/A | N/A | 57.0 | |
| Jan. 18, 2020, 5 a.m. | 65.6 ppb (62) | 30.9 ppb (29) | N/A | 35.0 ppb (32) | N/A | N/A | 1.0 ppb (1) | 0.4 ppb (4) | N/A | N/A | 62.0 | |
| Jan. 18, 2020, 4 a.m. | 88.6 ppb (87) | 50.7 ppb (47) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 87.0 | |
| Jan. 18, 2020, 3 a.m. | 70.4 ppb (67) | 33.3 ppb (31) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 67.0 | |
| Jan. 18, 2020, 2 a.m. | 67.9 ppb (65) | 29.8 ppb (28) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 65.0 | |
| Jan. 18, 2020, 1 a.m. | 34.4 ppb (32) | 5.4 ppb (5) | N/A | 29.0 ppb (27) | N/A | N/A | 8.0 ppb (6) | 0.1 ppb (1) | N/A | N/A | 32.0 | |
| Jan. 18, 2020, midnight | 25.6 ppb (24) | 9.0 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | 20.0 ppb (15) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| Jan. 17, 2020, 11 p.m. | 5.8 ppb (5) | 1.2 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (24) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| Jan. 17, 2020, 10 p.m. | 4.8 ppb (4) | 1.9 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2020, 9 p.m. | 3.8 ppb (4) | 1.4 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2020, 8 p.m. | 5.1 ppb (5) | 1.8 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 17, 2020, 7 p.m. | 12.0 ppb (11) | 5.6 ppb (5) | N/A | 7.0 ppb (6) | N/A | N/A | 32.0 ppb (25) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 17, 2020, 6 p.m. | 33.6 ppb (31) | 16.9 ppb (16) | N/A | 17.0 ppb (16) | N/A | N/A | 23.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 31.0 | |
| Jan. 17, 2020, 5 p.m. | 46.1 ppb (43) | 23.6 ppb (22) | N/A | 23.0 ppb (21) | N/A | N/A | 18.0 ppb (14) | 0.0 ppb (0) | N/A | N/A | 43.0 | |
| Jan. 17, 2020, 4 p.m. | 16.0 ppb (15) | 7.5 ppb (7) | N/A | 9.0 ppb (8) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Jan. 17, 2020, 3 p.m. | 7.9 ppb (7) | 0.6 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2020, 2 p.m. | 35.3 ppb (33) | 12.5 ppb (12) | N/A | 23.0 ppb (21) | N/A | N/A | 20.0 ppb (15) | 0.0 ppb (0) | N/A | N/A | 33.0 | |
| Jan. 17, 2020, 1 p.m. | 3.6 ppb (3) | 0.6 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Jan. 17, 2020, noon | 3.3 ppb (3) | 0.5 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | 38.0 ppb (29) | N/A | N/A | N/A | 29.0 | |
| Jan. 17, 2020, 11 a.m. | 2.7 ppb (3) | 0.4 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| Jan. 17, 2020, 10 a.m. | 8.1 ppb (8) | 1.1 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Jan. 17, 2020, 9 a.m. | 5.6 ppb (5) | 0.6 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 17, 2020, 8 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 17, 2020, 7 a.m. | 3.7 ppb (3) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 6 a.m. | 4.0 ppb (4) | 0.3 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | 37.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 5 a.m. | 5.8 ppb (5) | 0.5 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (28) | N/A | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 4 a.m. | 6.5 ppb (6) | 0.8 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 36.0 ppb (28) | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 3 a.m. | 8.0 ppb (7) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 36.0 ppb (28) | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 2 a.m. | 7.9 ppb (7) | 0.6 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 36.0 ppb (28) | 0.0 ppb (0) | N/A | N/A | 28.0 | |
| Jan. 17, 2020, 1 a.m. | 10.7 ppb (10) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 34.0 ppb (26) | 0.0 ppb (0) | N/A | N/A | 26.0 | |
| Jan. 17, 2020, midnight | 12.7 ppb (12) | 1.1 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 32.0 ppb (25) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 11 p.m. | 13.3 ppb (12) | 1.9 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | 31.0 ppb (24) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| Jan. 16, 2020, 10 p.m. | 11.9 ppb (11) | 3.3 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | 35.0 ppb (27) | 0.0 ppb (0) | N/A | N/A | 27.0 | |
| Jan. 16, 2020, 9 p.m. | 12.8 ppb (12) | 3.3 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 33.0 ppb (25) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 8 p.m. | 14.8 ppb (14) | 4.6 ppb (4) | N/A | 10.0 ppb (9) | N/A | N/A | 32.0 ppb (25) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 7 p.m. | 13.3 ppb (12) | 4.5 ppb (4) | N/A | 9.0 ppb (8) | N/A | N/A | 33.0 ppb (25) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 6 p.m. | 10.8 ppb (10) | 4.0 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | 35.0 ppb (27) | 0.0 ppb (0) | N/A | N/A | 27.0 | |
| Jan. 16, 2020, 5 p.m. | 41.1 ppb (38) | 21.6 ppb (20) | N/A | 20.0 ppb (19) | N/A | N/A | 23.0 ppb (18) | 0.0 ppb (0) | N/A | N/A | 38.0 | |
| Jan. 16, 2020, 4 p.m. | 61.7 ppb (58) | 32.4 ppb (30) | N/A | 30.0 ppb (28) | N/A | N/A | 15.0 ppb (12) | 0.2 ppb (2) | N/A | N/A | 58.0 | |
| Jan. 16, 2020, 3 p.m. | 35.8 ppb (33) | 13.7 ppb (13) | N/A | 22.0 ppb (20) | N/A | N/A | 19.0 ppb (15) | 0.0 ppb (0) | N/A | N/A | 33.0 | |
| Jan. 16, 2020, 2 p.m. | 33.4 ppb (31) | 8.7 ppb (8) | N/A | 25.0 ppb (23) | N/A | N/A | 18.0 ppb (14) | 0.0 ppb (0) | N/A | N/A | 31.0 | |
| Jan. 16, 2020, 1 p.m. | 47.3 ppb (44) | 20.0 ppb (19) | N/A | 28.0 ppb (26) | N/A | N/A | 14.0 ppb (11) | 0.1 ppb (1) | N/A | N/A | 44.0 | |
| Jan. 16, 2020, noon | 26.6 ppb (25) | 6.7 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | 21.0 ppb (16) | 0.0 ppb (0) | N/A | N/A | 25.0 | |
| Jan. 16, 2020, 11 a.m. | 23.8 ppb (22) | 3.9 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | 20.0 ppb (15) | 0.0 ppb (0) | N/A | N/A | 22.0 | |
| Jan. 16, 2020, 10 a.m. | 27.9 ppb (26) | 6.1 ppb (6) | N/A | 22.0 ppb (20) | N/A | N/A | 17.0 ppb (13) | 0.0 ppb (0) | N/A | N/A | 26.0 | |
| Jan. 16, 2020, 9 a.m. | 19.1 ppb (18) | 2.6 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 22.0 ppb (17) | 0.0 ppb (0) | N/A | N/A | 18.0 | |
| Jan. 16, 2020, 8 a.m. | 66.2 ppb (63) | 30.8 ppb (29) | N/A | 36.0 ppb (33) | N/A | N/A | 3.0 ppb (2) | 0.3 ppb (3) | N/A | N/A | 63.0 | |
| Jan. 16, 2020, 7 a.m. | 84.5 ppb (82) | 44.4 ppb (41) | N/A | 40.0 ppb (37) | N/A | N/A | 0.0 ppb (0) | 0.4 ppb (4) | N/A | N/A | 82.0 | |
| Jan. 16, 2020, 6 a.m. | 103.5 ppb (100) | 59.9 ppb (56) | N/A | 44.0 ppb (41) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 100.0 | |
| Jan. 16, 2020, 5 a.m. | 115.6 ppb (103) | 70.6 ppb (68) | N/A | 46.0 ppb (43) | N/A | N/A | 0.0 ppb (0) | 0.7 ppb (8) | N/A | N/A | 103.0 | |
| Jan. 16, 2020, 4 a.m. | 110.8 ppb (102) | 66.0 ppb (63) | N/A | 45.0 ppb (42) | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 102.0 | |
| Jan. 16, 2020, 3 a.m. | 77.5 ppb (75) | 34.8 ppb (32) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 75.0 | |
| Jan. 16, 2020, 2 a.m. | 57.3 ppb (54) | 15.6 ppb (14) | N/A | 42.0 ppb (39) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 54.0 | |
| Jan. 16, 2020, 1 a.m. | 55.1 ppb (51) | 11.5 ppb (11) | N/A | 44.0 ppb (41) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 51.0 | |
| Jan. 16, 2020, midnight | 45.6 ppb (42) | 7.1 ppb (7) | N/A | 39.0 ppb (36) | N/A | N/A | 3.0 ppb (2) | 0.1 ppb (1) | N/A | N/A | 42.0 | |
| Jan. 15, 2020, 11 p.m. | 34.8 ppb (32) | 6.8 ppb (6) | N/A | 28.0 ppb (26) | N/A | N/A | 15.0 ppb (12) | 0.0 ppb (0) | N/A | N/A | 32.0 | |
| Jan. 15, 2020, 10 p.m. | 25.5 ppb (24) | 8.5 ppb (8) | N/A | 17.0 ppb (16) | N/A | N/A | 25.0 ppb (19) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| Jan. 15, 2020, 9 p.m. | 24.9 ppb (23) | 11.1 ppb (10) | N/A | 14.0 ppb (13) | N/A | N/A | 29.0 ppb (22) | 0.0 ppb (0) | N/A | N/A | 23.0 | |
| Jan. 15, 2020, 8 p.m. | 34.2 ppb (32) | 18.7 ppb (17) | N/A | 16.0 ppb (15) | N/A | N/A | 27.0 ppb (21) | 0.0 ppb (0) | N/A | N/A | 32.0 | |
| Jan. 15, 2020, 7 p.m. | 19.5 ppb (18) | 10.0 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | 31.0 ppb (24) | 0.0 ppb (0) | N/A | N/A | 24.0 | |
| Jan. 15, 2020, 6 p.m. | 59.9 ppb (56) | 36.6 ppb (34) | N/A | 24.0 ppb (22) | N/A | N/A | 21.0 ppb (16) | 0.1 ppb (1) | N/A | N/A | 56.0 | |
| Jan. 15, 2020, 5 p.m. | 115.5 ppb (103) | 79.6 ppb (77) | N/A | 36.0 ppb (33) | N/A | N/A | 10.0 ppb (8) | 0.4 ppb (4) | N/A | N/A | 103.0 | |
| Jan. 15, 2020, 4 p.m. | 170.5 ppb (113) | 126.8 ppb (105) | N/A | 44.0 ppb (41) | N/A | N/A | 4.0 ppb (3) | 0.8 ppb (9) | N/A | N/A | 113.0 | |
| Jan. 15, 2020, 3 p.m. | 151.4 ppb (110) | 109.4 ppb (102) | N/A | 42.0 ppb (39) | N/A | N/A | 1.0 ppb (1) | 0.9 ppb (10) | N/A | N/A | 110.0 | |
| Jan. 15, 2020, 2 p.m. | 155.4 ppb (110) | 112.6 ppb (102) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.9 ppb (10) | N/A | N/A | 110.0 | |
| Jan. 15, 2020, 1 p.m. | 126.5 ppb (105) | 84.1 ppb (82) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 105.0 | |
| Jan. 15, 2020, noon | 84.2 ppb (82) | 46.2 ppb (43) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.3 ppb (3) | N/A | N/A | 82.0 | |
| Jan. 15, 2020, 11 a.m. | 61.4 ppb (58) | 24.5 ppb (23) | N/A | 37.0 ppb (34) | N/A | N/A | 0.0 ppb (0) | 0.1 ppb (1) | N/A | N/A | 58.0 | |
| Jan. 15, 2020, 10 a.m. | 80.2 ppb (78) | 41.0 ppb (38) | N/A | 40.0 ppb (37) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 78.0 | |
| Jan. 15, 2020, 9 a.m. | 70.5 ppb (68) | 32.1 ppb (30) | N/A | 39.0 ppb (36) | N/A | N/A | 0.0 ppb (0) | 0.1 ppb (1) | N/A | N/A | 68.0 | |
| Jan. 15, 2020, 8 a.m. | 43.7 ppb (40) | 8.8 ppb (8) | N/A | 35.0 ppb (32) | N/A | N/A | 2.0 ppb (2) | 0.1 ppb (1) | N/A | N/A | 40.0 | |
| Jan. 15, 2020, 7 a.m. | 60.6 ppb (57) | 23.1 ppb (21) | N/A | 38.0 ppb (35) | N/A | N/A | 0.0 ppb (0) | 0.2 ppb (2) | N/A | N/A | 57.0 | |
| Jan. 15, 2020, 6 a.m. | 47.4 ppb (44) | 14.2 ppb (13) | N/A | 34.0 ppb (31) | N/A | N/A | 4.0 ppb (3) | 0.1 ppb (1) | N/A | N/A | 44.0 | |
| Jan. 15, 2020, 5 a.m. | 47.4 ppb (44) | 15.0 ppb (14) | N/A | 33.0 ppb (31) | N/A | N/A | 6.0 ppb (5) | 0.1 ppb (1) | N/A | N/A | 44.0 | |
| Jan. 15, 2020, 4 a.m. | 104.5 ppb (101) | 61.2 ppb (58) | N/A | 44.0 ppb (41) | N/A | N/A | 0.0 ppb (0) | 0.6 ppb (7) | N/A | N/A | 101.0 | |
| Jan. 15, 2020, 3 a.m. | 84.7 ppb (83) | 42.0 ppb (39) | N/A | 43.0 ppb (40) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 83.0 | |
| Jan. 15, 2020, 2 a.m. | 83.3 ppb (81) | 39.4 ppb (36) | N/A | 44.0 ppb (41) | N/A | N/A | 0.0 ppb (0) | 0.5 ppb (6) | N/A | N/A | 81.0 | |
| Jan. 15, 2020, 1 a.m. | 57.2 ppb (53) | 23.4 ppb (22) | N/A | 34.0 ppb (31) | N/A | N/A | 9.0 ppb (7) | 0.2 ppb (2) | N/A | N/A | 53.0 | |
| Jan. 15, 2020, midnight | 45.0 ppb (42) | 21.1 ppb (20) | N/A | 24.0 ppb (22) | N/A | N/A | 20.0 ppb (15) | 0.1 ppb (1) | N/A | N/A | 42.0 | |
| Jan. 14, 2020, 11 p.m. | 31.6 ppb (29) | 16.7 ppb (15) | N/A | 15.0 ppb (14) | N/A | N/A | 26.0 ppb (20) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| Jan. 14, 2020, 10 p.m. | 30.9 ppb (29) | 15.5 ppb (14) | N/A | 16.0 ppb (15) | N/A | N/A | 26.0 ppb (20) | 0.0 ppb (0) | N/A | N/A | 29.0 | |
| Jan. 14, 2020, 9 p.m. | 7.1 ppb (7) | 1.9 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 14, 2020, 8 p.m. | 9.7 ppb (9) | 3.1 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Jan. 14, 2020, 7 p.m. | 8.3 ppb (8) | 2.1 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 |