Bountiful UT, US: 40.897999, -111.885498
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 21, 2019, 5 p.m. | 16.0 ppb (15) | 5.0 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 1.1 μg/m3 (5) | 16.0 | |
| Jan. 21, 2019, 4 p.m. | 18.0 ppb (17) | 6.0 ppb (6) | N/A | 13.0 ppb (12) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 1.1 μg/m3 (5) | 17.0 | |
| Jan. 21, 2019, 3 p.m. | 31.0 ppb (29) | 14.0 ppb (13) | N/A | 17.0 ppb (16) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | 1.5 μg/m3 (6) | 29.0 | |
| Jan. 21, 2019, 2 p.m. | 23.0 ppb (21) | 7.0 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 1.1 μg/m3 (5) | 21.0 | |
| Jan. 21, 2019, 1 p.m. | 17.0 ppb (16) | 3.0 ppb (3) | N/A | 15.0 ppb (14) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 1.5 μg/m3 (6) | 16.0 | |
| Jan. 21, 2019, noon | 22.0 ppb (20) | 4.0 ppb (4) | N/A | 18.0 ppb (17) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 2.6 μg/m3 (11) | 20.0 | |
| Jan. 21, 2019, 11 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 2.6 μg/m3 (11) | 11.0 | |
| Jan. 21, 2019, 10 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | 3.6 μg/m3 (15) | 15.0 | |
| Jan. 21, 2019, 9 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 1.5 μg/m3 (6) | 14.0 | |
| Jan. 21, 2019, 8 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | 0.6 μg/m3 (2) | 20.0 | |
| Jan. 21, 2019, 7 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.3 μg/m3 (1) | 22.0 | |
| Jan. 21, 2019, 6 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.4 μg/m3 (2) | 22.0 | |
| Jan. 21, 2019, 5 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 27.0 ppb (21) | N/A | N/A | 0.8 μg/m3 (3) | 21.0 | |
| Jan. 21, 2019, 4 a.m. | 17.0 ppb (16) | 3.0 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | 2.2 μg/m3 (9) | 16.0 | |
| Jan. 21, 2019, 3 a.m. | 32.0 ppb (30) | 8.0 ppb (7) | N/A | 24.0 ppb (22) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 4.1 μg/m3 (17) | 30.0 | |
| Jan. 21, 2019, 2 a.m. | 30.0 ppb (28) | 7.0 ppb (6) | N/A | 23.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 6.5 μg/m3 (27) | 28.0 | |
| Jan. 21, 2019, 1 a.m. | 33.0 ppb (31) | 10.0 ppb (9) | N/A | 23.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| Jan. 21, 2019, midnight | 40.0 ppb (37) | 17.0 ppb (16) | N/A | 23.0 ppb (21) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Jan. 20, 2019, 11 p.m. | 32.0 ppb (30) | 9.0 ppb (8) | N/A | 23.0 ppb (21) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 8.6 μg/m3 (36) | 36.0 | |
| Jan. 20, 2019, 10 p.m. | 21.0 ppb (19) | 4.0 ppb (4) | N/A | 17.0 ppb (16) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | 7.8 μg/m3 (32) | 32.0 | |
| Jan. 20, 2019, 9 p.m. | 21.0 ppb (19) | 6.0 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 6.8 μg/m3 (28) | 28.0 | |
| Jan. 20, 2019, 8 p.m. | 22.0 ppb (20) | 8.0 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 8.5 μg/m3 (35) | 35.0 | |
| Jan. 20, 2019, 7 p.m. | 24.0 ppb (22) | 9.0 ppb (8) | N/A | 15.0 ppb (14) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 6.1 μg/m3 (25) | 25.0 | |
| Jan. 20, 2019, 6 p.m. | 23.0 ppb (21) | 9.0 ppb (8) | N/A | 15.0 ppb (14) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | 5.4 μg/m3 (23) | 23.0 | |
| Jan. 20, 2019, 5 p.m. | 27.0 ppb (25) | 11.0 ppb (10) | N/A | 16.0 ppb (15) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | 5.2 μg/m3 (22) | 25.0 | |
| Jan. 20, 2019, 4 p.m. | 39.0 ppb (36) | 18.0 ppb (17) | N/A | 22.0 ppb (20) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 5.7 μg/m3 (24) | 36.0 | |
| Jan. 20, 2019, 3 p.m. | 36.0 ppb (33) | 16.0 ppb (15) | N/A | 20.0 ppb (19) | N/A | N/A | 5.0 ppb (4) | N/A | N/A | 4.5 μg/m3 (19) | 33.0 | |
| Jan. 20, 2019, 2 p.m. | 32.0 ppb (30) | 11.0 ppb (10) | N/A | 21.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 3.9 μg/m3 (16) | 30.0 | |
| Jan. 20, 2019, 1 p.m. | 29.0 ppb (27) | 8.0 ppb (7) | N/A | 22.0 ppb (20) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 3.9 μg/m3 (16) | 27.0 | |
| Jan. 20, 2019, noon | 27.0 ppb (25) | 6.0 ppb (6) | N/A | 21.0 ppb (19) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 3.7 μg/m3 (15) | 25.0 | |
| Jan. 20, 2019, 11 a.m. | 20.0 ppb (19) | 4.0 ppb (4) | N/A | 17.0 ppb (16) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | 3.1 μg/m3 (13) | 19.0 | |
| Jan. 20, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 4.7 μg/m3 (20) | 20.0 | |
| Jan. 20, 2019, 9 a.m. | 24.0 ppb (22) | 5.0 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | 7.1 μg/m3 (30) | 30.0 | |
| Jan. 20, 2019, 8 a.m. | 31.0 ppb (29) | 7.0 ppb (6) | N/A | 25.0 ppb (23) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 9.6 μg/m3 (40) | 40.0 | |
| Jan. 20, 2019, 7 a.m. | 36.0 ppb (33) | 9.0 ppb (8) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 10.7 μg/m3 (45) | 45.0 | |
| Jan. 20, 2019, 6 a.m. | 35.0 ppb (32) | 9.0 ppb (8) | N/A | 27.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 13.7 μg/m3 (54) | 54.0 | |
| Jan. 20, 2019, 5 a.m. | 39.0 ppb (36) | 12.0 ppb (11) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 15.9 μg/m3 (58) | 58.0 | |
| Jan. 20, 2019, 4 a.m. | 45.0 ppb (42) | 18.0 ppb (17) | N/A | 27.0 ppb (25) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Jan. 20, 2019, 3 a.m. | 47.0 ppb (44) | 20.0 ppb (19) | N/A | 28.0 ppb (26) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 12.4 μg/m3 (51) | 51.0 | |
| Jan. 20, 2019, 2 a.m. | 35.0 ppb (32) | 10.0 ppb (9) | N/A | 27.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 9.3 μg/m3 (39) | 39.0 | |
| Jan. 20, 2019, 1 a.m. | 38.0 ppb (35) | 10.0 ppb (9) | N/A | 29.0 ppb (27) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Jan. 20, 2019, midnight | 29.0 ppb (27) | 5.0 ppb (5) | N/A | 25.0 ppb (23) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | 10.4 μg/m3 (43) | 43.0 | |
| Jan. 19, 2019, 11 p.m. | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 19, 2019, 10 p.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 6.3 μg/m3 (26) | 26.0 | |
| Jan. 19, 2019, 9 p.m. | 17.0 ppb (16) | 3.0 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Jan. 19, 2019, 8 p.m. | 20.0 ppb (19) | 5.0 ppb (5) | N/A | 15.0 ppb (14) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 19, 2019, 7 p.m. | 16.0 ppb (15) | 4.0 ppb (4) | N/A | 12.0 ppb (11) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 19, 2019, 6 p.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 10.8 μg/m3 (45) | 45.0 | |
| Jan. 19, 2019, 5 p.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 9.0 ppb (8) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | 10.4 μg/m3 (43) | 43.0 | |
| Jan. 19, 2019, 4 p.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 6.3 μg/m3 (26) | 26.0 | |
| Jan. 19, 2019, 3 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 5.7 μg/m3 (24) | 24.0 | |
| Jan. 19, 2019, 2 p.m. | 26.0 ppb (24) | 5.0 ppb (5) | N/A | 22.0 ppb (20) | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 14.1 μg/m3 (54) | 54.0 | |
| Jan. 19, 2019, 1 p.m. | 38.0 ppb (35) | 9.0 ppb (8) | N/A | 29.0 ppb (27) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | 13.5 μg/m3 (53) | 53.0 | |
| Jan. 19, 2019, noon | 32.0 ppb (30) | 7.0 ppb (6) | N/A | 25.0 ppb (23) | N/A | N/A | 5.0 ppb (4) | N/A | N/A | 8.8 μg/m3 (37) | 37.0 | |
| Jan. 19, 2019, 11 a.m. | 25.0 ppb (23) | 3.0 ppb (3) | N/A | 23.0 ppb (21) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | 6.4 μg/m3 (27) | 27.0 | |
| Jan. 19, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | N/A | N/A | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 19, 2019, 9 a.m. | 18.0 ppb (17) | 2.0 ppb (2) | N/A | 16.0 ppb (15) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 12.9 μg/m3 (52) | 52.0 | |
| Jan. 19, 2019, 8 a.m. | 16.0 ppb (15) | 1.0 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | 6.3 μg/m3 (26) | 26.0 | |
| Jan. 19, 2019, 7 a.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 11.0 ppb (8) | N/A | N/A | 10.5 μg/m3 (44) | 44.0 | |
| Jan. 19, 2019, 6 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | 7.3 μg/m3 (30) | 30.0 | |
| Jan. 19, 2019, 5 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 11.6 μg/m3 (48) | 48.0 | |
| Jan. 19, 2019, 4 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 0.3 μg/m3 (1) | 18.0 | |
| Jan. 19, 2019, 3 a.m. | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | 0.4 μg/m3 (2) | 13.0 | |
| Jan. 19, 2019, 2 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | 0.6 μg/m3 (2) | 18.0 | |
| Jan. 19, 2019, 1 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 0.8 μg/m3 (3) | 17.0 | |
| Jan. 19, 2019, midnight | 15.0 ppb (14) | 1.0 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | 1.3 μg/m3 (5) | 14.0 | |
| Jan. 18, 2019, 11 p.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | 0.5 μg/m3 (2) | 17.0 | |
| Jan. 18, 2019, 10 p.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 0.4 μg/m3 (2) | 22.0 | |
| Jan. 18, 2019, 9 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | 0.3 μg/m3 (1) | 23.0 | |
| Jan. 18, 2019, 8 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 3.0 ppb (3) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | 0.2 μg/m3 (1) | 25.0 | |
| Jan. 18, 2019, 7 p.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 34.0 ppb (26) | N/A | N/A | N/A | 26.0 | |
| Jan. 18, 2019, 6 p.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Jan. 18, 2019, 5 p.m. | 5.0 ppb (5) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 18, 2019, 4 p.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 18, 2019, 3 p.m. | 13.0 ppb (12) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 18, 2019, 2 p.m. | 11.0 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| Jan. 18, 2019, 1 p.m. | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 18, 2019, noon | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 18, 2019, 11 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Jan. 18, 2019, 10 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 18, 2019, 9 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 18, 2019, 8 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | N/A | 20.0 | |
| Jan. 18, 2019, 7 a.m. | 12.0 ppb (11) | 2.0 ppb (2) | N/A | 11.0 ppb (10) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
| Jan. 18, 2019, 6 a.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 16.0 ppb (12) | N/A | N/A | N/A | 14.0 | |
| Jan. 18, 2019, 5 a.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | N/A | 17.0 | |
| Jan. 18, 2019, 4 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Jan. 18, 2019, 3 a.m. | 17.0 ppb (16) | 2.0 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
| Jan. 18, 2019, 2 a.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 26.0 ppb (20) | N/A | N/A | N/A | 20.0 | |
| Jan. 18, 2019, 1 a.m. | 26.0 ppb (24) | 4.0 ppb (4) | N/A | 23.0 ppb (21) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 24.0 | |
| Jan. 18, 2019, midnight | 19.0 ppb (18) | 2.0 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 18.0 | |
| Jan. 17, 2019, 11 p.m. | 31.0 ppb (29) | 3.0 ppb (3) | N/A | 28.0 ppb (26) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | N/A | 29.0 | |
| Jan. 17, 2019, 10 p.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| Jan. 17, 2019, 9 p.m. | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 17, 2019, 8 p.m. | 20.0 ppb (19) | 4.0 ppb (4) | N/A | 16.0 ppb (15) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | N/A | 19.0 | |
| Jan. 17, 2019, 7 p.m. | 15.0 ppb (14) | 3.0 ppb (3) | N/A | 13.0 ppb (12) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 14.0 | |
| Jan. 17, 2019, 6 p.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 28.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Jan. 17, 2019, 5 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Jan. 17, 2019, 4 p.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2019, 3 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Jan. 17, 2019, 2 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2019, 1 p.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 32.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2019, noon | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2019, 11 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | 33.0 ppb (25) | N/A | N/A | N/A | 25.0 | |
| Jan. 17, 2019, 10 a.m. | 7.0 ppb (6) | 1.0 ppb (1) | N/A | 6.0 ppb (6) | N/A | N/A | 29.0 ppb (22) | N/A | N/A | N/A | 22.0 | |
| Jan. 17, 2019, 9 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Jan. 17, 2019, 8 a.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | 30.0 ppb (23) | N/A | N/A | N/A | 23.0 | |
| Jan. 17, 2019, 7 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | 31.0 ppb (24) | N/A | N/A | N/A | 24.0 | |
| Jan. 17, 2019, 6 a.m. | 14.0 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | N/A | 17.0 | |
| Jan. 17, 2019, 5 a.m. | 23.0 ppb (21) | 6.0 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | N/A | 21.0 | |
| Jan. 17, 2019, 4 a.m. | 29.0 ppb (27) | 7.0 ppb (6) | N/A | 22.0 ppb (20) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | N/A | 27.0 | |
| Jan. 17, 2019, 3 a.m. | 43.0 ppb (40) | 16.0 ppb (15) | N/A | 27.0 ppb (25) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 40.0 | |
| Jan. 17, 2019, 2 a.m. | 46.0 ppb (43) | 24.0 ppb (22) | N/A | 22.0 ppb (20) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 43.0 | |
| Jan. 17, 2019, 1 a.m. | 47.0 ppb (44) | 24.0 ppb (22) | N/A | 24.0 ppb (22) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 44.0 | |
| Jan. 17, 2019, midnight | 77.0 ppb (74) | 47.0 ppb (44) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 74.0 | |
| Jan. 16, 2019, 11 p.m. | 57.0 ppb (53) | 26.0 ppb (24) | N/A | 32.0 ppb (30) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | N/A | 53.0 | |
| Jan. 16, 2019, 10 p.m. | 51.0 ppb (47) | 20.0 ppb (19) | N/A | 32.0 ppb (30) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | N/A | 47.0 | |
| Jan. 16, 2019, 9 p.m. | 36.0 ppb (33) | 12.0 ppb (11) | N/A | 24.0 ppb (22) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | N/A | 33.0 | |
| Jan. 16, 2019, 8 p.m. | 53.0 ppb (49) | 27.0 ppb (25) | N/A | 26.0 ppb (24) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | N/A | 49.0 | |
| Jan. 16, 2019, 7 p.m. | 46.0 ppb (43) | 23.0 ppb (21) | N/A | 23.0 ppb (21) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | N/A | 43.0 | |
| Jan. 16, 2019, 6 p.m. | 38.0 ppb (35) | 19.0 ppb (18) | N/A | 20.0 ppb (19) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | N/A | 35.0 | |
| Jan. 16, 2019, 5 p.m. | 57.0 ppb (53) | 34.0 ppb (31) | N/A | 24.0 ppb (22) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | N/A | 53.0 | |
| Jan. 16, 2019, 4 p.m. | 65.0 ppb (62) | 42.0 ppb (39) | N/A | 23.0 ppb (21) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | N/A | 62.0 | |
| Jan. 16, 2019, 3 p.m. | 66.0 ppb (63) | 39.0 ppb (36) | N/A | 27.0 ppb (25) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 63.0 | |
| Jan. 16, 2019, 2 p.m. | 57.0 ppb (53) | 27.0 ppb (25) | N/A | 30.0 ppb (28) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 53.0 | |
| Jan. 16, 2019, 1 p.m. | 45.0 ppb (42) | 14.0 ppb (13) | N/A | 32.0 ppb (30) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 42.0 | |
| Jan. 16, 2019, noon | 31.0 ppb (29) | 4.0 ppb (4) | N/A | 27.0 ppb (25) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | N/A | 29.0 | |
| Jan. 16, 2019, 11 a.m. | 28.0 ppb (26) | 4.0 ppb (4) | N/A | 25.0 ppb (23) | N/A | N/A | 7.0 ppb (5) | N/A | N/A | N/A | 26.0 | |
| Jan. 16, 2019, 10 a.m. | 25.0 ppb (23) | 2.0 ppb (2) | N/A | 24.0 ppb (22) | N/A | N/A | 10.0 ppb (8) | N/A | N/A | N/A | 23.0 | |
| Jan. 16, 2019, 9 a.m. | 21.0 ppb (19) | 1.0 ppb (1) | N/A | 20.0 ppb (19) | N/A | N/A | 12.0 ppb (9) | N/A | N/A | N/A | 19.0 | |
| Jan. 16, 2019, 8 a.m. | 14.0 ppb (13) | 1.0 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | 20.0 ppb (15) | N/A | N/A | N/A | 15.0 | |
| Jan. 16, 2019, 7 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
| Jan. 16, 2019, 6 a.m. | 20.0 ppb (19) | 1.0 ppb (1) | N/A | 19.0 ppb (18) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | N/A | 19.0 | |
| Jan. 16, 2019, 5 a.m. | 22.0 ppb (20) | 2.0 ppb (2) | N/A | 21.0 ppb (19) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 20.0 | |
| Jan. 16, 2019, 4 a.m. | 18.0 ppb (17) | 1.0 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 17.0 | |
| Jan. 16, 2019, 3 a.m. | 21.0 ppb (19) | 2.0 ppb (2) | N/A | 20.0 ppb (19) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | N/A | 19.0 | |
| Jan. 16, 2019, 2 a.m. | 23.0 ppb (21) | 2.0 ppb (2) | N/A | 22.0 ppb (20) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 21.0 | |
| Jan. 16, 2019, 1 a.m. | 22.0 ppb (20) | 1.0 ppb (1) | N/A | 21.0 ppb (19) | N/A | N/A | 15.0 ppb (12) | N/A | N/A | N/A | 20.0 | |
| Jan. 16, 2019, midnight | 18.0 ppb (17) | 2.0 ppb (2) | N/A | 17.0 ppb (16) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | N/A | 17.0 | |
| Jan. 15, 2019, 11 p.m. | 20.0 ppb (19) | 3.0 ppb (3) | N/A | 18.0 ppb (17) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | N/A | 19.0 | |
| Jan. 15, 2019, 10 p.m. | 23.0 ppb (21) | 4.0 ppb (4) | N/A | 19.0 ppb (18) | N/A | N/A | 19.0 ppb (15) | N/A | N/A | N/A | 21.0 | |
| Jan. 15, 2019, 9 p.m. | 25.0 ppb (23) | 6.0 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 23.0 | |
| Jan. 15, 2019, 8 p.m. | 28.0 ppb (26) | 8.0 ppb (7) | N/A | 21.0 ppb (19) | N/A | N/A | 17.0 ppb (13) | N/A | N/A | N/A | 26.0 | |
| Jan. 15, 2019, 7 p.m. | N/A | 12.0 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | 13.0 ppb (10) | N/A | N/A | N/A | 20.0 | |
| Jan. 15, 2019, 6 p.m. | 37.0 ppb (34) | 16.0 ppb (15) | N/A | 21.0 ppb (19) | N/A | N/A | 14.0 ppb (11) | N/A | N/A | N/A | 34.0 | |
| Jan. 15, 2019, 5 p.m. | 57.0 ppb (53) | 30.0 ppb (28) | N/A | 27.0 ppb (25) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | N/A | 53.0 | |
| Jan. 15, 2019, 4 p.m. | 65.0 ppb (62) | 34.0 ppb (31) | N/A | 31.0 ppb (29) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | N/A | 62.0 | |
| Jan. 15, 2019, 3 p.m. | 66.0 ppb (63) | 33.0 ppb (31) | N/A | 33.0 ppb (31) | N/A | N/A | 3.0 ppb (2) | N/A | N/A | N/A | 63.0 | |
| Jan. 15, 2019, 2 p.m. | 61.0 ppb (57) | 28.0 ppb (26) | N/A | 33.0 ppb (31) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 57.0 | |
| Jan. 15, 2019, 1 p.m. | 50.0 ppb (46) | 19.0 ppb (18) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 46.0 | |
| Jan. 15, 2019, noon | 35.0 ppb (32) | 8.0 ppb (7) | N/A | 28.0 ppb (26) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 32.0 | |
| Jan. 15, 2019, 11 a.m. | 32.0 ppb (30) | 8.0 ppb (7) | N/A | 25.0 ppb (23) | N/A | N/A | 4.0 ppb (3) | N/A | N/A | N/A | 30.0 | |
| Jan. 15, 2019, 10 a.m. | 50.0 ppb (46) | 18.0 ppb (17) | N/A | 32.0 ppb (30) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 46.0 | |
| Jan. 15, 2019, 9 a.m. | 44.0 ppb (41) | 12.0 ppb (11) | N/A | 32.0 ppb (30) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 41.0 | |
| Jan. 15, 2019, 8 a.m. | 49.0 ppb (45) | 18.0 ppb (17) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 45.0 | |
| Jan. 15, 2019, 7 a.m. | 53.0 ppb (49) | 22.0 ppb (20) | N/A | 31.0 ppb (29) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 49.0 | |
| Jan. 15, 2019, 6 a.m. | 48.0 ppb (44) | 17.0 ppb (16) | N/A | 32.0 ppb (30) | N/A | N/A | 0.0 ppb (0) | N/A | N/A | N/A | 44.0 | |
| Jan. 15, 2019, 5 a.m. | 40.0 ppb (37) | 9.0 ppb (8) | N/A | 31.0 ppb (29) | N/A | N/A | 1.0 ppb (1) | N/A | N/A | N/A | 37.0 | |
| Jan. 15, 2019, 4 a.m. | 29.0 ppb (27) | 2.0 ppb (2) | N/A | 28.0 ppb (26) | N/A | N/A | 6.0 ppb (5) | N/A | N/A | N/A | 27.0 | |
| Jan. 15, 2019, 3 a.m. | 38.0 ppb (35) | 7.0 ppb (6) | N/A | 32.0 ppb (30) | N/A | N/A | 2.0 ppb (2) | N/A | N/A | N/A | 35.0 | |
| Jan. 15, 2019, 2 a.m. | 27.0 ppb (25) | 2.0 ppb (2) | N/A | 25.0 ppb (23) | N/A | N/A | 9.0 ppb (7) | N/A | N/A | N/A | 25.0 | |
| Jan. 15, 2019, 1 a.m. | 18.0 ppb (17) | 1.0 ppb (1) | N/A | 16.0 ppb (15) | N/A | N/A | 18.0 ppb (14) | N/A | N/A | N/A | 17.0 | |
| Jan. 15, 2019, midnight | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 21.0 ppb (16) | N/A | N/A | N/A | 16.0 | |
| Jan. 14, 2019, 11 p.m. | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 14.0 ppb (13) | N/A | N/A | 23.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 14, 2019, 10 p.m. | 17.0 ppb (16) | 3.0 ppb (3) | N/A | 14.0 ppb (13) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 14, 2019, 9 p.m. | 18.0 ppb (17) | 5.0 ppb (5) | N/A | 14.0 ppb (13) | N/A | N/A | 24.0 ppb (18) | N/A | N/A | N/A | 18.0 | |
| Jan. 14, 2019, 8 p.m. | 17.0 ppb (16) | 6.0 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| Jan. 14, 2019, 7 p.m. | 16.0 ppb (15) | 5.0 ppb (5) | N/A | 11.0 ppb (10) | N/A | N/A | 25.0 ppb (19) | N/A | N/A | N/A | 19.0 | |
| Jan. 14, 2019, 6 p.m. | 19.0 ppb (18) | 7.0 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | 22.0 ppb (17) | N/A | N/A | N/A | 18.0 |