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| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 17, 2019, 8 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 | |
| July 17, 2019, 7 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 | |
| July 17, 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 | |
| July 17, 2019, 5 a.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 | |
| July 17, 2019, 4 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 17, 2019, 3 a.m. | 27.0 ppb (25) | 4.0 ppb (4) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 25.0 | |
| July 17, 2019, 2 a.m. | 36.0 ppb (33) | 9.0 ppb (8) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 17, 2019, 1 a.m. | 54.0 ppb (50) | 22.0 ppb (20) | N/A | 32.0 ppb (30) | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 | |
| July 17, 2019, midnight | 36.0 ppb (33) | 15.0 ppb (14) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 16, 2019, 11 p.m. | 41.0 ppb (38) | 23.0 ppb (21) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 16, 2019, 10 p.m. | 52.0 ppb (48) | 32.0 ppb (30) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 16, 2019, 9 p.m. | 86.0 ppb (84) | 60.0 ppb (56) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 84.0 | |
| July 16, 2019, 8 p.m. | 67.0 ppb (64) | 44.0 ppb (41) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 | |
| July 16, 2019, 7 p.m. | 80.0 ppb (78) | 55.0 ppb (51) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 78.0 | |
| July 16, 2019, 6 p.m. | 44.0 ppb (41) | 24.0 ppb (22) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 16, 2019, 5 p.m. | 29.0 ppb (27) | 12.0 ppb (11) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 | |
| July 16, 2019, 3 p.m. | 23.0 ppb (21) | 7.0 ppb (6) | N/A | 16.0 ppb (15) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 16, 2019, 2 p.m. | 26.0 ppb (24) | 7.0 ppb (6) | N/A | 19.0 ppb (18) | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 | |
| July 16, 2019, 1 p.m. | 15.0 ppb (14) | 3.0 ppb (3) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| July 16, 2019, noon | 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 | |
| July 16, 2019, 11 a.m. | 21.0 ppb (19) | 6.0 ppb (6) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 16, 2019, 10 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 | |
| July 16, 2019, 9 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 | |
| July 16, 2019, 8 a.m. | 15.0 ppb (14) | 5.0 ppb (5) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 | |
| July 16, 2019, 7 a.m. | 68.0 ppb (65) | 37.0 ppb (34) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 | |
| July 16, 2019, 6 a.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 | |
| July 16, 2019, 5 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 | |
| July 16, 2019, 4 a.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 | |
| July 16, 2019, 3 a.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 | |
| July 16, 2019, 2 a.m. | 22.0 ppb (20) | 9.0 ppb (8) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 | |
| July 16, 2019, 1 a.m. | 21.0 ppb (19) | 8.0 ppb (7) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 16, 2019, midnight | 39.0 ppb (36) | 21.0 ppb (19) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 15, 2019, 11 p.m. | 66.0 ppb (63) | 42.0 ppb (39) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 63.0 | |
| July 15, 2019, 10 p.m. | 57.0 ppb (53) | 36.0 ppb (33) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 | |
| July 15, 2019, 9 p.m. | 70.0 ppb (67) | 47.0 ppb (44) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 67.0 | |
| July 15, 2019, 8 p.m. | 67.0 ppb (64) | 44.0 ppb (41) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 | |
| July 15, 2019, 7 p.m. | 59.0 ppb (55) | 37.0 ppb (34) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 15, 2019, 6 p.m. | 39.0 ppb (36) | 22.0 ppb (20) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 15, 2019, 5 p.m. | 20.0 ppb (19) | 8.0 ppb (7) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 | |
| July 15, 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 | |
| July 15, 2019, 3 p.m. | 18.0 ppb (17) | 6.0 ppb (6) | N/A | 12.0 ppb (11) | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 | |
| July 15, 2019, 2 p.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 | |
| July 15, 2019, 1 p.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 | |
| July 15, 2019, noon | 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 | |
| July 15, 2019, 11 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 10 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 9 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 8 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 7 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 6 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 5 a.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 15, 2019, 4 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 | |
| July 15, 2019, 3 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 | |
| July 15, 2019, 2 a.m. | 23.0 ppb (21) | 8.0 ppb (7) | N/A | 15.0 ppb (14) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 15, 2019, 1 a.m. | 23.0 ppb (21) | 9.0 ppb (8) | N/A | 14.0 ppb (13) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 15, 2019, midnight | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| July 14, 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 | |
| July 14, 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 | |
| July 14, 2019, 9 p.m. | 11.0 ppb (10) | 4.0 ppb (4) | N/A | 7.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| July 14, 2019, 8 p.m. | 9.0 ppb (8) | 3.0 ppb (3) | N/A | 6.0 ppb (6) | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 | |
| July 14, 2019, 7 p.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 | |
| July 14, 2019, 6 p.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 | |
| July 14, 2019, 5 p.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 | |
| July 14, 2019, 4 p.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 | |
| July 14, 2019, 3 p.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 | |
| July 14, 2019, 2 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 | |
| July 14, 2019, 1 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 | |
| July 14, 2019, noon | 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 | |
| July 14, 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 | |
| July 14, 2019, 10 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 | |
| July 14, 2019, 9 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 | |
| July 14, 2019, 8 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 | |
| July 14, 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 | |
| July 14, 2019, 6 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 | |
| July 14, 2019, 5 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 | |
| July 14, 2019, 4 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 | |
| July 14, 2019, 3 a.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 | |
| July 14, 2019, 2 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 | |
| July 14, 2019, 1 a.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 | |
| July 14, 2019, midnight | 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 | |
| July 13, 2019, 11 p.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 | |
| July 13, 2019, 10 p.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 13, 2019, 9 p.m. | 1.0 ppb (1) | 0.0 ppb (0) | N/A | 1.0 ppb (1) | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 | |
| July 13, 2019, 8 p.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 | |
| July 13, 2019, 7 p.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 13, 2019, 6 p.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 | |
| July 13, 2019, 5 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 | |
| July 13, 2019, 4 p.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 13, 2019, 3 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 | |
| July 13, 2019, 2 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 | |
| July 13, 2019, 1 p.m. | 23.0 ppb (21) | 1.0 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 13, 2019, noon | 23.0 ppb (21) | 1.0 ppb (1) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 | |
| July 13, 2019, 11 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 | |
| July 13, 2019, 10 a.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 | |
| July 13, 2019, 9 a.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 | |
| July 13, 2019, 8 a.m. | 11.0 ppb (10) | 0.0 ppb (0) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 | |
| July 13, 2019, 7 a.m. | 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 | |
| July 13, 2019, 6 a.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 | |
| July 13, 2019, 5 a.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 | |
| July 13, 2019, 4 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 13, 2019, 3 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 | |
| July 13, 2019, 2 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 13, 2019, 1 a.m. | 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 | |
| July 13, 2019, midnight | 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 | |
| July 12, 2019, 11 p.m. | 39.0 ppb (36) | 15.0 ppb (14) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 | |
| July 12, 2019, 10 p.m. | 45.0 ppb (42) | 23.0 ppb (21) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 | |
| July 12, 2019, 9 p.m. | 65.0 ppb (62) | 44.0 ppb (41) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 | |
| July 12, 2019, 8 p.m. | 102.0 ppb (100) | 79.0 ppb (77) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 100.0 | |
| July 12, 2019, 7 p.m. | 52.0 ppb (48) | 34.0 ppb (31) | N/A | 18.0 ppb (17) | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 | |
| July 12, 2019, 6 p.m. | 59.0 ppb (55) | 35.0 ppb (32) | N/A | 24.0 ppb (22) | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 | |
| July 12, 2019, 5 p.m. | 56.0 ppb (52) | 27.0 ppb (25) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| July 12, 2019, 4 p.m. | 67.0 ppb (64) | 34.0 ppb (31) | N/A | 33.0 ppb (31) | N/A | N/A | N/A | N/A | N/A | N/A | 64.0 | |
| July 12, 2019, 3 p.m. | 43.0 ppb (40) | 15.0 ppb (14) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 12, 2019, 2 p.m. | 44.0 ppb (41) | 18.0 ppb (17) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 | |
| July 12, 2019, 1 p.m. | 53.0 ppb (49) | 22.0 ppb (20) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 | |
| July 12, 2019, noon | 51.0 ppb (47) | 21.0 ppb (19) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 | |
| July 12, 2019, 11 a.m. | 43.0 ppb (40) | 14.0 ppb (13) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 | |
| July 12, 2019, 10 a.m. | 36.0 ppb (33) | 9.0 ppb (8) | N/A | 27.0 ppb (25) | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 | |
| July 12, 2019, 9 a.m. | 28.0 ppb (26) | 5.0 ppb (5) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 | |
| July 12, 2019, 8 a.m. | 40.0 ppb (37) | 11.0 ppb (10) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 12, 2019, 7 a.m. | 31.0 ppb (29) | 8.0 ppb (7) | N/A | 23.0 ppb (21) | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 | |
| July 12, 2019, 6 a.m. | 56.0 ppb (52) | 19.0 ppb (18) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| July 12, 2019, 5 a.m. | 56.0 ppb (52) | 21.0 ppb (19) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| July 12, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 12, 2019, 3 a.m. | 47.0 ppb (44) | 17.0 ppb (16) | N/A | 30.0 ppb (28) | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 | |
| July 12, 2019, 2 a.m. | 71.0 ppb (68) | 36.0 ppb (33) | N/A | 35.0 ppb (32) | N/A | N/A | N/A | N/A | N/A | N/A | 68.0 | |
| July 12, 2019, 1 a.m. | 65.0 ppb (62) | 34.0 ppb (31) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 | |
| July 12, 2019, midnight | 50.0 ppb (46) | 22.0 ppb (20) | N/A | 28.0 ppb (26) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 11, 2019, 11 p.m. | 42.0 ppb (39) | 17.0 ppb (16) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 11, 2019, 10 p.m. | 42.0 ppb (39) | 16.0 ppb (15) | N/A | 26.0 ppb (24) | N/A | N/A | N/A | N/A | N/A | N/A | 39.0 | |
| July 11, 2019, 9 p.m. | 24.0 ppb (22) | 7.0 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| July 11, 2019, 8 p.m. | 24.0 ppb (22) | 7.0 ppb (6) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| July 11, 2019, 7 p.m. | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 | |
| July 11, 2019, 6 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 | |
| July 11, 2019, 5 p.m. | 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 | |
| July 11, 2019, 4 p.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 11, 2019, 3 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 | |
| July 11, 2019, 2 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 | |
| July 11, 2019, 1 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 | |
| July 11, 2019, noon | 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 | |
| July 11, 2019, 11 a.m. | 24.0 ppb (22) | 3.0 ppb (3) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 | |
| July 11, 2019, 10 a.m. | 25.0 ppb (23) | 4.0 ppb (4) | N/A | 21.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 | |
| July 11, 2019, 9 a.m. | 40.0 ppb (37) | 9.0 ppb (8) | N/A | 31.0 ppb (29) | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 | |
| July 11, 2019, 8 a.m. | 50.0 ppb (46) | 13.0 ppb (12) | N/A | 37.0 ppb (34) | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 | |
| July 11, 2019, 7 a.m. | 56.0 ppb (52) | 16.0 ppb (15) | N/A | 40.0 ppb (37) | N/A | N/A | N/A | N/A | N/A | N/A | 52.0 | |
| July 11, 2019, 6 a.m. | 37.0 ppb (34) | 8.0 ppb (7) | N/A | 29.0 ppb (27) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 11, 2019, 5 a.m. | 12.0 ppb (11) | 1.0 ppb (1) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 | |
| July 11, 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 | |
| July 11, 2019, 3 a.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 | |
| July 11, 2019, 2 a.m. | 16.0 ppb (15) | 3.0 ppb (3) | N/A | 13.0 ppb (12) | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 | |
| July 11, 2019, 1 a.m. | 14.0 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| July 11, 2019, midnight | 13.0 ppb (12) | 3.0 ppb (3) | N/A | 10.0 ppb (9) | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 | |
| July 10, 2019, 11 p.m. | 37.0 ppb (34) | 17.0 ppb (16) | N/A | 20.0 ppb (19) | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 | |
| July 10, 2019, 10 p.m. | 46.0 ppb (43) | 21.0 ppb (19) | N/A | 25.0 ppb (23) | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 | |
| July 10, 2019, 9 p.m. | 41.0 ppb (38) | 19.0 ppb (18) | N/A | 22.0 ppb (20) | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 | |
| July 10, 2019, 8 p.m. | 30.0 ppb (28) | 13.0 ppb (12) | N/A | 17.0 ppb (16) | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 | |
| July 10, 2019, 7 p.m. | 14.0 ppb (13) | 3.0 ppb (3) | N/A | 11.0 ppb (10) | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 | |
| July 10, 2019, 6 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 | |
| July 10, 2019, 5 p.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 | |
| July 10, 2019, 4 p.m. | 2.0 ppb (2) | 0.0 ppb (0) | N/A | 2.0 ppb (2) | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 | |
| July 10, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| July 10, 2019, 2 p.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 | |
| July 10, 2019, 1 p.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 | |
| July 10, 2019, noon | 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 | |
| July 10, 2019, 11 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 | |
| July 10, 2019, 10 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 | |
| July 10, 2019, 9 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 | |
| July 10, 2019, 8 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 |