Jackson MS, US: 32.329111, -90.182722
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 25, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.11 ppb (1) | N/A | 16.4 μg/m3 (59) | 59.0 | |
| March 25, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.1 ppb (1) | N/A | 17.3 μg/m3 (61) | 61.0 | |
| March 25, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.11 ppb (1) | N/A | 19.1 μg/m3 (65) | 65.0 | |
| March 25, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.13 ppb (1) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| March 25, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.17 ppb (2) | N/A | 20.7 μg/m3 (69) | 69.0 | |
| March 25, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 40.0 ppb (31) | 0.2 ppb (2) | N/A | 21.6 μg/m3 (70) | 70.0 | |
| March 25, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 32.0 ppb (25) | 0.26 ppb (3) | N/A | 17.2 μg/m3 (61) | 61.0 | |
| March 25, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.24 ppb (3) | N/A | 13.7 μg/m3 (54) | 54.0 | |
| March 25, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.22 ppb (2) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| March 24, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.11 ppb (1) | N/A | 9.7 μg/m3 (40) | 40.0 | |
| March 24, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 51.0 ppb (39) | 0.11 ppb (1) | N/A | 11.6 μg/m3 (48) | 48.0 | |
| March 24, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.13 ppb (1) | N/A | 11.9 μg/m3 (50) | 50.0 | |
| March 24, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.11 ppb (1) | N/A | 10.3 μg/m3 (43) | 44.0 | |
| March 24, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (46) | 0.12 ppb (1) | N/A | 12.2 μg/m3 (50) | 50.0 | |
| March 24, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (46) | 0.12 ppb (1) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| March 24, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 60.0 ppb (46) | 0.11 ppb (1) | N/A | 15.5 μg/m3 (57) | 57.0 | |
| March 24, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 60.0 ppb (46) | 0.11 ppb (1) | N/A | 15.1 μg/m3 (57) | 57.0 | |
| March 24, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | 0.14 ppb (2) | N/A | 19.1 μg/m3 (65) | 65.0 | |
| March 24, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.19 ppb (2) | N/A | 25.7 μg/m3 (79) | 79.0 | |
| March 24, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 30.0 ppb (23) | 0.23 ppb (3) | N/A | 30.4 μg/m3 (89) | 89.0 | |
| March 24, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.25 ppb (3) | N/A | 34.0 μg/m3 (97) | 97.0 | |
| March 24, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.21 ppb (2) | N/A | 40.5 μg/m3 (112) | 112.0 | |
| March 24, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.21 ppb (2) | N/A | 41.5 μg/m3 (115) | 115.0 | |
| March 24, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.21 ppb (2) | N/A | 44.1 μg/m3 (122) | 122.0 | |
| March 24, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.25 ppb (3) | N/A | 53.8 μg/m3 (146) | 146.0 | |
| March 24, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 47.0 ppb (36) | 0.3 ppb (3) | N/A | 82.1 μg/m3 (164) | 164.0 | |
| March 24, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 0.22 ppb (2) | N/A | 50.6 μg/m3 (138) | 138.0 | |
| March 24, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | 0.23 ppb (3) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| March 24, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 53.0 ppb (41) | 0.2 ppb (2) | N/A | 27.9 μg/m3 (84) | 84.0 | |
| March 24, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.23 ppb (3) | N/A | 27.9 μg/m3 (84) | 84.0 | |
| March 24, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 44.0 ppb (34) | 0.27 ppb (3) | N/A | 25.9 μg/m3 (80) | 80.0 | |
| March 24, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.21 ppb (2) | N/A | 20.5 μg/m3 (68) | 68.0 | |
| March 24, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | 0.2 ppb (2) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| March 23, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.18 ppb (2) | N/A | 20.6 μg/m3 (68) | 68.0 | |
| March 23, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.15 ppb (2) | N/A | 19.1 μg/m3 (65) | 65.0 | |
| March 23, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.15 ppb (2) | N/A | 17.1 μg/m3 (61) | 61.0 | |
| March 23, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.14 ppb (2) | N/A | 16.7 μg/m3 (60) | 60.0 | |
| March 23, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.13 ppb (1) | N/A | 16.1 μg/m3 (59) | 59.0 | |
| March 23, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.13 ppb (1) | N/A | 17.4 μg/m3 (61) | 61.0 | |
| March 23, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.15 ppb (2) | N/A | 24.9 μg/m3 (77) | 77.0 | |
| March 23, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 52.0 ppb (40) | 0.16 ppb (2) | N/A | 27.4 μg/m3 (83) | 83.0 | |
| March 23, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 47.0 ppb (36) | 0.15 ppb (2) | N/A | 23.7 μg/m3 (75) | 75.0 | |
| March 23, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.21 ppb (2) | N/A | 24.8 μg/m3 (77) | 77.0 | |
| March 23, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.38 ppb (4) | N/A | 44.8 μg/m3 (123) | 123.0 | |
| March 23, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.57 ppb (6) | N/A | 56.6 μg/m3 (151) | 151.0 | |
| March 23, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 10.0 ppb (8) | 0.49 ppb (5) | N/A | 38.1 μg/m3 (106) | 106.0 | |
| March 23, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.48 ppb (5) | N/A | 35.2 μg/m3 (99) | 99.0 | |
| March 23, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 5.0 ppb (4) | 0.65 ppb (7) | N/A | 34.5 μg/m3 (98) | 98.0 | |
| March 23, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 18.0 ppb (14) | 0.44 ppb (5) | N/A | 29.5 μg/m3 (87) | 87.0 | |
| March 23, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.55 ppb (6) | N/A | 27.7 μg/m3 (83) | 83.0 | |
| March 23, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.55 ppb (6) | N/A | 26.4 μg/m3 (81) | 81.0 | |
| March 23, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.48 ppb (5) | N/A | 22.8 μg/m3 (73) | 73.0 | |
| March 23, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.38 ppb (4) | N/A | 17.3 μg/m3 (61) | 61.0 | |
| March 23, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.22 ppb (2) | N/A | 12.8 μg/m3 (52) | 52.0 | |
| March 23, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.25 ppb (3) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| March 23, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 41.0 ppb (32) | 0.29 ppb (3) | N/A | 16.7 μg/m3 (60) | 60.0 | |
| March 23, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.27 ppb (3) | N/A | 16.4 μg/m3 (59) | 59.0 | |
| March 22, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.11 ppb (1) | N/A | 7.6 μg/m3 (32) | 42.0 | |
| March 22, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.12 ppb (1) | N/A | 7.5 μg/m3 (31) | 45.0 | |
| March 22, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.12 ppb (1) | N/A | 8.3 μg/m3 (35) | 45.0 | |
| March 22, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.1 ppb (1) | N/A | 7.5 μg/m3 (31) | 42.0 | |
| March 22, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.11 ppb (1) | N/A | 9.8 μg/m3 (41) | 42.0 | |
| March 22, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.14 ppb (2) | N/A | 19.8 μg/m3 (67) | 67.0 | |
| March 22, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.14 ppb (2) | N/A | 14.2 μg/m3 (55) | 55.0 | |
| March 22, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.14 ppb (2) | N/A | 10.3 μg/m3 (43) | 43.0 | |
| March 22, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 34.0 ppb (26) | 0.18 ppb (2) | N/A | 10.5 μg/m3 (44) | 44.0 | |
| March 22, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.22 ppb (2) | N/A | 10.9 μg/m3 (45) | 45.0 | |
| March 22, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.58 ppb (6) | N/A | 16.8 μg/m3 (60) | 60.0 | |
| March 22, 2019, noon | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.5 ppb (6) | N/A | 15.5 μg/m3 (57) | 57.0 | |
| March 22, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.48 ppb (5) | N/A | 20.5 μg/m3 (68) | 68.0 | |
| March 22, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.61 ppb (7) | N/A | 20.4 μg/m3 (68) | 68.0 | |
| March 22, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.56 ppb (6) | N/A | 13.4 μg/m3 (53) | 53.0 | |
| March 22, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 24.0 ppb (18) | 0.18 ppb (2) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 22, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 27.0 ppb (21) | 0.17 ppb (2) | N/A | 9.9 μg/m3 (41) | 41.0 | |
| March 22, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 38.0 ppb (29) | 0.13 ppb (1) | N/A | 6.6 μg/m3 (28) | 29.0 | |
| March 22, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.13 ppb (1) | N/A | 7.3 μg/m3 (30) | 33.0 | |
| March 22, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.13 ppb (1) | N/A | 6.3 μg/m3 (26) | 35.0 | |
| March 22, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.14 ppb (2) | N/A | 7.7 μg/m3 (32) | 37.0 | |
| March 22, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.14 ppb (2) | N/A | 6.9 μg/m3 (29) | 38.0 | |
| March 22, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.18 ppb (2) | N/A | 7.7 μg/m3 (32) | 37.0 | |
| March 22, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.14 ppb (2) | N/A | 7.5 μg/m3 (31) | 41.0 | |
| March 21, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.12 ppb (1) | N/A | 6.2 μg/m3 (26) | 45.0 | |
| March 21, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.11 ppb (1) | N/A | 6.0 μg/m3 (25) | 42.0 | |
| March 21, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.1 ppb (1) | N/A | 5.0 μg/m3 (21) | 44.0 | |
| March 21, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.11 ppb (1) | N/A | 5.7 μg/m3 (24) | 43.0 | |
| March 21, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.2 ppb (2) | N/A | 6.6 μg/m3 (28) | 42.0 | |
| March 21, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.15 ppb (2) | N/A | 6.2 μg/m3 (26) | 42.0 | |
| March 21, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.1 ppb (1) | N/A | 6.4 μg/m3 (27) | 42.0 | |
| March 21, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.1 ppb (1) | N/A | 6.9 μg/m3 (29) | 37.0 | |
| March 21, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.11 ppb (1) | N/A | 7.2 μg/m3 (30) | 33.0 | |
| March 21, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.13 ppb (1) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| March 21, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.17 ppb (2) | N/A | 10.1 μg/m3 (42) | 42.0 | |
| March 21, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 9.0 ppb (7) | 0.2 ppb (2) | N/A | 10.8 μg/m3 (45) | 45.0 | |
| March 21, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 8.0 ppb (6) | 0.17 ppb (2) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| March 21, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 14.0 ppb (11) | 0.15 ppb (2) | N/A | 9.3 μg/m3 (39) | 39.0 | |
| March 21, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 22.0 ppb (17) | 0.13 ppb (1) | N/A | 8.5 μg/m3 (35) | 35.0 | |
| March 21, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.09 ppb (1) | N/A | 7.5 μg/m3 (31) | 31.0 | |
| March 21, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | 0.08 ppb (1) | N/A | 6.0 μg/m3 (25) | 32.0 | |
| March 21, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | N/A | 0.08 ppb (1) | N/A | 5.9 μg/m3 (25) | 25.0 | |
| March 21, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.08 ppb (1) | N/A | 5.5 μg/m3 (23) | 38.0 | |
| March 21, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.08 ppb (1) | N/A | 5.9 μg/m3 (25) | 39.0 | |
| March 21, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.09 ppb (1) | N/A | 8.5 μg/m3 (35) | 39.0 | |
| March 21, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.25 ppb (3) | N/A | 18.5 μg/m3 (64) | 64.0 | |
| March 21, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.27 ppb (3) | N/A | 17.1 μg/m3 (61) | 61.0 | |
| March 21, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.22 ppb (2) | N/A | 15.2 μg/m3 (57) | 57.0 | |
| March 20, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 63.0 ppb (48) | 0.14 ppb (2) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| March 20, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 67.0 ppb (52) | 0.14 ppb (2) | N/A | 14.7 μg/m3 (56) | 56.0 | |
| March 20, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 68.0 ppb (52) | 0.14 ppb (2) | N/A | 11.9 μg/m3 (50) | 52.0 | |
| March 20, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 70.0 ppb (54) | 0.17 ppb (2) | N/A | 14.5 μg/m3 (55) | 55.0 | |
| March 20, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 69.0 ppb (53) | 0.17 ppb (2) | N/A | 15.7 μg/m3 (58) | 58.0 | |
| March 20, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 66.0 ppb (51) | 0.17 ppb (2) | N/A | 15.4 μg/m3 (57) | 57.0 | |
| March 20, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 63.0 ppb (48) | 0.18 ppb (2) | N/A | 16.3 μg/m3 (59) | 59.0 | |
| March 20, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 60.0 ppb (46) | 0.19 ppb (2) | N/A | 15.8 μg/m3 (58) | 58.0 | |
| March 20, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.19 ppb (2) | N/A | 14.3 μg/m3 (55) | 55.0 | |
| March 20, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.27 ppb (3) | N/A | 20.2 μg/m3 (67) | 67.0 | |
| March 20, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.62 ppb (7) | N/A | 30.9 μg/m3 (90) | 90.0 | |
| March 20, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.7 ppb (8) | N/A | 36.0 μg/m3 (101) | 101.0 | |
| March 20, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.44 ppb (5) | N/A | 27.0 μg/m3 (82) | 82.0 | |
| March 20, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 13.0 ppb (10) | 0.38 ppb (4) | N/A | 26.7 μg/m3 (81) | 81.0 | |
| March 20, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.86 ppb (10) | N/A | 32.9 μg/m3 (94) | 94.0 | |
| March 20, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 7.0 ppb (5) | 0.54 ppb (6) | N/A | 34.3 μg/m3 (97) | 97.0 | |
| March 20, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 12.0 ppb (9) | 0.48 ppb (5) | N/A | 37.4 μg/m3 (105) | 105.0 | |
| March 20, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.39 ppb (4) | N/A | 29.2 μg/m3 (87) | 87.0 | |
| March 20, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.3 ppb (3) | N/A | 27.1 μg/m3 (82) | 82.0 | |
| March 20, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.17 ppb (2) | N/A | 22.4 μg/m3 (72) | 72.0 | |
| March 20, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | 0.18 ppb (2) | N/A | 23.7 μg/m3 (75) | 75.0 | |
| March 20, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.21 ppb (2) | N/A | 14.8 μg/m3 (56) | 56.0 | |
| March 20, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.25 ppb (3) | N/A | 12.9 μg/m3 (52) | 52.0 | |
| March 20, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.21 ppb (2) | N/A | 9.5 μg/m3 (40) | 40.0 | |
| March 19, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.15 ppb (2) | N/A | 7.8 μg/m3 (32) | 43.0 | |
| March 19, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.15 ppb (2) | N/A | 7.3 μg/m3 (30) | 44.0 | |
| March 19, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 56.0 ppb (43) | 0.17 ppb (2) | N/A | 5.9 μg/m3 (25) | 43.0 | |
| March 19, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 55.0 ppb (42) | 0.16 ppb (2) | N/A | 6.0 μg/m3 (25) | 42.0 | |
| March 19, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.13 ppb (1) | N/A | 5.8 μg/m3 (24) | 42.0 | |
| March 19, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 53.0 ppb (41) | 0.12 ppb (1) | N/A | 5.5 μg/m3 (23) | 41.0 | |
| March 19, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.12 ppb (1) | N/A | 5.0 μg/m3 (21) | 39.0 | |
| March 19, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 50.0 ppb (38) | 0.14 ppb (2) | N/A | 4.9 μg/m3 (20) | 38.0 | |
| March 19, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.14 ppb (2) | N/A | 5.2 μg/m3 (22) | 36.0 | |
| March 19, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.14 ppb (2) | N/A | 6.0 μg/m3 (25) | 33.0 | |
| March 19, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 37.0 ppb (28) | 0.17 ppb (2) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| March 19, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.17 ppb (2) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| March 19, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | 0.13 ppb (1) | N/A | 8.8 μg/m3 (37) | 37.0 | |
| March 19, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.11 ppb (1) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 19, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.1 ppb (1) | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 19, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.1 ppb (1) | N/A | 6.5 μg/m3 (27) | 35.0 | |
| March 19, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | N/A | 6.8 μg/m3 (28) | 36.0 | |
| March 19, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | N/A | 8.0 μg/m3 (33) | 36.0 | |
| March 19, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | N/A | 8.3 μg/m3 (35) | 36.0 | |
| March 19, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 47.0 ppb (36) | 0.1 ppb (1) | N/A | 10.6 μg/m3 (44) | 44.0 | |
| March 19, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.14 ppb (2) | N/A | 13.2 μg/m3 (53) | 53.0 | |
| March 19, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 44.0 ppb (34) | 0.18 ppb (2) | N/A | 12.1 μg/m3 (50) | 50.0 | |
| March 19, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 46.0 ppb (35) | 0.18 ppb (2) | N/A | 12.3 μg/m3 (51) | 51.0 | |
| March 19, 2019, midnight | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | 0.18 ppb (2) | N/A | 11.8 μg/m3 (49) | 49.0 | |
| March 18, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | 0.15 ppb (2) | N/A | 11.1 μg/m3 (46) | 46.0 | |
| March 18, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | 0.14 ppb (2) | N/A | 10.1 μg/m3 (42) | 44.0 | |
| March 18, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 58.0 ppb (45) | 0.13 ppb (1) | N/A | 10.5 μg/m3 (44) | 45.0 | |
| March 18, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 59.0 ppb (45) | 0.13 ppb (1) | N/A | 12.1 μg/m3 (50) | 50.0 | |
| March 18, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 57.0 ppb (44) | N/A | N/A | 9.0 μg/m3 (38) | 44.0 | |
| March 18, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 54.0 ppb (42) | N/A | N/A | 8.1 μg/m3 (34) | 42.0 | |
| March 18, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 52.0 ppb (40) | N/A | N/A | 8.0 μg/m3 (33) | 40.0 | |
| March 18, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 51.0 ppb (39) | N/A | N/A | 7.6 μg/m3 (32) | 39.0 | |
| March 18, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 48.0 ppb (37) | N/A | N/A | 7.4 μg/m3 (31) | 37.0 | |
| March 18, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 39.0 ppb (30) | N/A | N/A | 8.3 μg/m3 (35) | 35.0 | |
| March 18, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.62 ppb (7) | N/A | 19.2 μg/m3 (65) | 65.0 | |
| March 18, 2019, noon | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 3.0 ppb (2) | 0.51 ppb (6) | N/A | 16.2 μg/m3 (59) | 59.0 | |
| March 18, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 4.0 ppb (3) | 0.41 ppb (5) | N/A | 14.3 μg/m3 (55) | 55.0 | |
| March 18, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 8.0 ppb (6) | 0.52 ppb (6) | N/A | 14.5 μg/m3 (55) | 55.0 | |
| March 18, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.31 ppb (3) | N/A | 9.4 μg/m3 (39) | 39.0 |