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| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 16, 2019, noon | 14.0 ppb (13) | 1.0 ppb (1) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| Jan. 16, 2019, 11 a.m. | 18.0 ppb (17) | 1.0 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| Jan. 16, 2019, 10 a.m. | 18.0 ppb (17) | 1.0 ppb (1) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| Jan. 16, 2019, 9 a.m. | 16.0 ppb (15) | 1.0 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| Jan. 16, 2019, 8 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 16, 2019, 7 a.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 16, 2019, 6 a.m. | 5.0 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 16, 2019, 5 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 16, 2019, 4 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. 16, 2019, 3 a.m. | 10.0 ppb (9) | 2.0 ppb (2) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 16, 2019, 2 a.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 16, 2019, 1 a.m. | 15.0 ppb (14) | 4.0 ppb (4) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| Jan. 16, 2019, midnight | 36.0 ppb (33) | 14.0 ppb (13) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| Jan. 15, 2019, 11 p.m. | 48.0 ppb (44) | 23.0 ppb (21) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| Jan. 15, 2019, 10 p.m. | 53.0 ppb (49) | 24.0 ppb (22) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| Jan. 15, 2019, 9 p.m. | 105.0 ppb (101) | 66.0 ppb (63) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 | |
| Jan. 15, 2019, 8 p.m. | 83.0 ppb (81) | 45.0 ppb (42) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 81.0 | |
| Jan. 15, 2019, 7 p.m. | 32.0 ppb (30) | 2.0 ppb (2) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 | |
| Jan. 15, 2019, 6 p.m. | 26.0 ppb (24) | 1.0 ppb (1) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| Jan. 15, 2019, 5 p.m. | 20.0 ppb (19) | 2.0 ppb (2) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| Jan. 15, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Jan. 15, 2019, 3 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 15, 2019, 2 p.m. | 12.0 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| Jan. 15, 2019, 1 p.m. | 17.0 ppb (16) | 5.0 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| Jan. 15, 2019, noon | 29.0 ppb (27) | 10.0 ppb (9) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| Jan. 15, 2019, 11 a.m. | 50.0 ppb (46) | 21.0 ppb (19) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| Jan. 15, 2019, 10 a.m. | 62.0 ppb (59) | 27.0 ppb (25) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 | |
| Jan. 15, 2019, 9 a.m. | 98.0 ppb (97) | 50.0 ppb (46) | N/A | 48.0 ppb (44) | N/A | N/A | N/A | N/A | N/A | N/A | 97.0 | |
| Jan. 15, 2019, 8 a.m. | 129.0 ppb (105) | 78.0 ppb (76) | N/A | 51.0 ppb (47) | N/A | N/A | N/A | N/A | N/A | N/A | 105.0 | |
| Jan. 15, 2019, 7 a.m. | 135.0 ppb (107) | 82.0 ppb (80) | N/A | 53.0 ppb (49) | N/A | N/A | N/A | N/A | N/A | N/A | 107.0 | |
| Jan. 15, 2019, 6 a.m. | 101.0 ppb (100) | 55.0 ppb (51) | N/A | 46.0 ppb (43) | N/A | N/A | N/A | N/A | N/A | N/A | 100.0 | |
| Jan. 15, 2019, 5 a.m. | 50.0 ppb (46) | 16.0 ppb (15) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| Jan. 15, 2019, 4 a.m. | 60.0 ppb (56) | 28.0 ppb (26) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 | |
| Jan. 15, 2019, 3 a.m. | 30.0 ppb (28) | 7.0 ppb (6) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| Jan. 15, 2019, 2 a.m. | 34.0 ppb (31) | 12.0 ppb (11) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| Jan. 15, 2019, 1 a.m. | 39.0 ppb (36) | 17.0 ppb (16) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| Jan. 15, 2019, midnight | 49.0 ppb (45) | 24.0 ppb (22) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 | |
| Jan. 14, 2019, 11 p.m. | 68.0 ppb (65) | 40.0 ppb (37) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 | |
| Jan. 14, 2019, 10 p.m. | 170.0 ppb (113) | 132.0 ppb (106) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 113.0 | |
| Jan. 14, 2019, 9 p.m. | 123.0 ppb (104) | 93.0 ppb (91) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 104.0 | |
| Jan. 14, 2019, 8 p.m. | 156.0 ppb (111) | 122.0 ppb (104) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 111.0 | |
| Jan. 14, 2019, 7 p.m. | 164.0 ppb (112) | 131.0 ppb (106) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 112.0 | |
| Jan. 14, 2019, 6 p.m. | 117.0 ppb (103) | 90.0 ppb (88) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| Jan. 14, 2019, 5 p.m. | 108.0 ppb (101) | 82.0 ppb (80) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 101.0 | |
| Jan. 14, 2019, 4 p.m. | 112.0 ppb (102) | 81.0 ppb (79) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| Jan. 14, 2019, 3 p.m. | 117.0 ppb (103) | 83.0 ppb (81) | N/A | 34.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| Jan. 14, 2019, 2 p.m. | 93.0 ppb (91) | 64.0 ppb (61) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 91.0 | |
| Jan. 14, 2019, 1 p.m. | 87.0 ppb (85) | 57.0 ppb (53) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 85.0 | |
| Jan. 14, 2019, noon | 82.0 ppb (80) | 49.0 ppb (45) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 80.0 | |
| Jan. 14, 2019, 11 a.m. | 109.0 ppb (102) | 66.0 ppb (63) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| Jan. 14, 2019, 10 a.m. | 95.0 ppb (94) | 51.0 ppb (47) | N/A | 44.0 ppb (41) | N/A | N/A | N/A | N/A | N/A | N/A | 94.0 | |
| Jan. 14, 2019, 9 a.m. | 113.0 ppb (102) | 64.0 ppb (61) | N/A | 49.0 ppb (45) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| Jan. 14, 2019, 8 a.m. | 66.0 ppb (63) | 27.0 ppb (25) | N/A | 39.0 ppb (36) | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 | |
| Jan. 14, 2019, 7 a.m. | 18.0 ppb (17) | 4.0 ppb (4) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| Jan. 14, 2019, 6 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 14, 2019, 5 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 14, 2019, 4 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 14, 2019, 3 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 14, 2019, 2 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 14, 2019, 1 a.m. | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 14, 2019, midnight | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 13, 2019, 11 p.m. | 11.0 ppb (10) | 3.0 ppb (3) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| Jan. 13, 2019, 10 p.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 13, 2019, 9 p.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 13, 2019, 8 p.m. | 5.0 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 13, 2019, 7 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 6 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 5 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 4 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 3 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 2 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 1 p.m. | 7.0 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, noon | 12.0 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| Jan. 13, 2019, 10 a.m. | 36.0 ppb (33) | 10.0 ppb (9) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| Jan. 13, 2019, 9 a.m. | 12.0 ppb (11) | 2.0 ppb (2) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| Jan. 13, 2019, 8 a.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 13, 2019, 7 a.m. | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 13, 2019, 6 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 5 a.m. | 6.0 ppb (6) | 2.0 ppb (2) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, 4 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 13, 2019, 3 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 13, 2019, 2 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 13, 2019, 1 a.m. | 7.0 ppb (6) | 2.0 ppb (2) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 13, 2019, midnight | 10.0 ppb (9) | 3.0 ppb (3) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 12, 2019, 11 p.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 12, 2019, 10 p.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 12, 2019, 9 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 12, 2019, 8 p.m. | 7.0 ppb (6) | 0.0 ppb (0) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 12, 2019, 7 p.m. | 9.0 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 12, 2019, 6 p.m. | 12.0 ppb (11) | 0.0 ppb (0) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| Jan. 12, 2019, 5 p.m. | 14.0 ppb (13) | 0.0 ppb (0) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| Jan. 12, 2019, 4 p.m. | 17.0 ppb (16) | 1.0 ppb (1) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| Jan. 12, 2019, 3 p.m. | 16.0 ppb (15) | 1.0 ppb (1) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| Jan. 12, 2019, 2 p.m. | 17.0 ppb (16) | 2.0 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| Jan. 12, 2019, 1 p.m. | 10.0 ppb (9) | 1.0 ppb (1) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 | |
| Jan. 12, 2019, noon | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 12, 2019, 10 a.m. | 25.0 ppb (23) | 5.0 ppb (5) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| Jan. 12, 2019, 9 a.m. | 15.0 ppb (14) | 1.0 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| Jan. 12, 2019, 8 a.m. | 22.0 ppb (20) | 3.0 ppb (3) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| Jan. 12, 2019, 7 a.m. | 26.0 ppb (24) | 4.0 ppb (4) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| Jan. 12, 2019, 6 a.m. | 33.0 ppb (31) | 8.0 ppb (7) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| Jan. 12, 2019, 5 a.m. | 43.0 ppb (40) | 17.0 ppb (16) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| Jan. 12, 2019, 4 a.m. | 28.0 ppb (26) | 7.0 ppb (6) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| Jan. 12, 2019, 3 a.m. | 24.0 ppb (22) | 6.0 ppb (6) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| Jan. 12, 2019, 2 a.m. | 22.0 ppb (20) | 5.0 ppb (5) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| Jan. 12, 2019, 1 a.m. | 17.0 ppb (16) | 2.0 ppb (2) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| Jan. 12, 2019, midnight | 15.0 ppb (14) | 2.0 ppb (2) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| Jan. 11, 2019, 11 p.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| Jan. 11, 2019, 10 p.m. | 13.0 ppb (12) | 1.0 ppb (1) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 | |
| Jan. 11, 2019, 9 p.m. | 21.0 ppb (19) | 2.0 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| Jan. 11, 2019, 8 p.m. | 8.0 ppb (7) | 0.0 ppb (0) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 11, 2019, 7 p.m. | 6.0 ppb (6) | 1.0 ppb (1) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 11, 2019, 6 p.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 11, 2019, 5 p.m. | 11.0 ppb (10) | 2.0 ppb (2) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| Jan. 11, 2019, 4 p.m. | 17.0 ppb (16) | 5.0 ppb (5) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 | |
| Jan. 11, 2019, 3 p.m. | 8.0 ppb (7) | 1.0 ppb (1) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 11, 2019, 2 p.m. | 9.0 ppb (8) | 0.0 ppb (0) | N/A | 9.0 ppb (8) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 11, 2019, 1 p.m. | 11.0 ppb (10) | 1.0 ppb (1) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| Jan. 11, 2019, noon | 26.0 ppb (24) | 6.0 ppb (6) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| Jan. 11, 2019, 11 a.m. | 68.0 ppb (65) | 28.0 ppb (26) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 | |
| Jan. 11, 2019, 10 a.m. | 60.0 ppb (56) | 20.0 ppb (19) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 | |
| Jan. 11, 2019, 9 a.m. | 88.0 ppb (86) | 44.0 ppb (41) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 86.0 | |
| Jan. 11, 2019, 8 a.m. | 9.0 ppb (8) | 1.0 ppb (1) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 11, 2019, 7 a.m. | 4.0 ppb (4) | 0.0 ppb (0) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 11, 2019, 6 a.m. | 3.0 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| Jan. 11, 2019, 5 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 11, 2019, 4 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 11, 2019, 3 a.m. | 4.0 ppb (4) | 1.0 ppb (1) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 | |
| Jan. 11, 2019, 2 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 11, 2019, 1 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 11, 2019, midnight | 8.0 ppb (7) | 2.0 ppb (2) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 | |
| Jan. 10, 2019, 11 p.m. | 9.0 ppb (8) | 2.0 ppb (2) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| Jan. 10, 2019, 10 p.m. | 33.0 ppb (31) | 6.0 ppb (6) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 | |
| Jan. 10, 2019, 9 p.m. | 53.0 ppb (49) | 16.0 ppb (15) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| Jan. 10, 2019, 8 p.m. | 66.0 ppb (63) | 29.0 ppb (27) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 | |
| Jan. 10, 2019, 7 p.m. | 118.0 ppb (103) | 78.0 ppb (76) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 103.0 | |
| Jan. 10, 2019, 6 p.m. | 148.0 ppb (109) | 103.0 ppb (100) | N/A | 45.0 ppb (42) | N/A | N/A | N/A | N/A | N/A | N/A | 109.0 | |
| Jan. 10, 2019, 5 p.m. | 162.0 ppb (112) | 122.0 ppb (104) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 112.0 | |
| Jan. 10, 2019, 4 p.m. | 126.0 ppb (105) | 88.0 ppb (86) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 105.0 | |
| Jan. 10, 2019, 3 p.m. | 148.0 ppb (109) | 107.0 ppb (101) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 109.0 | |
| Jan. 10, 2019, 2 p.m. | 155.0 ppb (110) | 112.0 ppb (102) | N/A | 43.0 ppb (40) | N/A | N/A | N/A | N/A | N/A | N/A | 110.0 | |
| Jan. 10, 2019, 1 p.m. | 145.0 ppb (108) | 104.0 ppb (101) | N/A | 41.0 ppb (38) | N/A | N/A | N/A | N/A | N/A | N/A | 108.0 | |
| Jan. 10, 2019, noon | 114.0 ppb (102) | 76.0 ppb (73) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| Jan. 10, 2019, 11 a.m. | 109.0 ppb (102) | 69.0 ppb (66) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 102.0 | |
| Jan. 10, 2019, 10 a.m. | 88.0 ppb (86) | 52.0 ppb (48) | N/A | 36.0 ppb (33) | N/A | N/A | N/A | N/A | N/A | N/A | 86.0 | |
| Jan. 10, 2019, 9 a.m. | 55.0 ppb (51) | 23.0 ppb (21) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 | |
| Jan. 10, 2019, 8 a.m. | 21.0 ppb (19) | 2.0 ppb (2) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| Jan. 10, 2019, 7 a.m. | 15.0 ppb (14) | 1.0 ppb (1) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| Jan. 10, 2019, 6 a.m. | 29.0 ppb (27) | 6.0 ppb (6) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| Jan. 10, 2019, 5 a.m. | 24.0 ppb (22) | 4.0 ppb (4) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| Jan. 10, 2019, 4 a.m. | 14.0 ppb (13) | 2.0 ppb (2) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| Jan. 10, 2019, 3 a.m. | 64.0 ppb (61) | 38.0 ppb (35) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 61.0 | |
| Jan. 10, 2019, 2 a.m. | 20.0 ppb (19) | 10.0 ppb (9) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| Jan. 10, 2019, 1 a.m. | 53.0 ppb (49) | 26.0 ppb (24) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| Jan. 10, 2019, midnight | 41.0 ppb (38) | 17.0 ppb (16) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| Jan. 9, 2019, 11 p.m. | 42.0 ppb (39) | 22.0 ppb (20) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| Jan. 9, 2019, 10 p.m. | 126.0 ppb (105) | 88.0 ppb (86) | N/A | 38.0 ppb (35) | N/A | N/A | N/A | N/A | N/A | N/A | 105.0 | |
| Jan. 9, 2019, 1 p.m. | 44.0 ppb (41) | 20.0 ppb (19) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| Jan. 9, 2019, noon | 12.0 ppb (11) | 4.0 ppb (4) | N/A | 8.0 ppb (7) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| Jan. 9, 2019, 11 a.m. | 5.0 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 9, 2019, 10 a.m. | 5.0 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 9, 2019, 9 a.m. | 5.0 ppb (5) | 0.0 ppb (0) | N/A | 5.0 ppb (5) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 9, 2019, 8 a.m. | 6.0 ppb (6) | 0.0 ppb (0) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 | |
| Jan. 9, 2019, 7 a.m. | 5.0 ppb (5) | 1.0 ppb (1) | N/A | 4.0 ppb (4) | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 | |
| Jan. 9, 2019, 6 a.m. | 3.0 ppb (3) | 0.0 ppb (0) | N/A | 3.0 ppb (3) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| Jan. 9, 2019, 5 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| Jan. 9, 2019, 4 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 | |
| Jan. 9, 2019, 3 a.m. | 3.0 ppb (3) | 1.0 ppb (1) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 |