Fresno (Mclane) CA, US: 36.78538, -119.77321
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 22, 2020, noon | N/A | N/A | 31.0 ppb (29) | N/A | 21.6 ppb (20) | 0.0 ppb (0) | N/A | 0.46 ppb (5) | 34.0 μg/m3 (31) | 26.2 μg/m3 (80) | 80.0 | |
| Jan. 22, 2020, 11 a.m. | 26.6 ppb (25) | 7.5 ppb (7) | 28.7 ppb (27) | 19.0 ppb (18) | 22.6 ppb (21) | 0.0 ppb (0) | 1.0 ppb (1) | 0.51 ppb (6) | 35.0 μg/m3 (32) | 27.9 μg/m3 (84) | 84.0 | |
| Jan. 22, 2020, 10 a.m. | 26.1 ppb (24) | 5.9 ppb (5) | 28.4 ppb (26) | 20.0 ppb (19) | 23.6 ppb (22) | 0.0 ppb (0) | 1.0 ppb (1) | 0.52 ppb (6) | 36.0 μg/m3 (33) | 32.2 μg/m3 (93) | 93.0 | |
| Jan. 22, 2020, 9 a.m. | 24.0 ppb (22) | 3.5 ppb (3) | 26.8 ppb (25) | 20.0 ppb (19) | 24.1 ppb (22) | 0.0 ppb (0) | 2.0 ppb (2) | 0.5 ppb (6) | 40.0 μg/m3 (36) | 29.2 μg/m3 (87) | 87.0 | |
| Jan. 22, 2020, 8 a.m. | 21.3 ppb (20) | 2.1 ppb (2) | 25.9 ppb (24) | 19.0 ppb (18) | 23.6 ppb (22) | 0.0 ppb (0) | 4.0 ppb (3) | 0.48 ppb (5) | 38.0 μg/m3 (35) | 26.5 μg/m3 (81) | 81.0 | |
| Jan. 22, 2020, 7 a.m. | 19.7 ppb (18) | 2.6 ppb (2) | 22.5 ppb (21) | 17.0 ppb (16) | 20.5 ppb (19) | 0.0 ppb (0) | 6.0 ppb (5) | 0.45 ppb (5) | 31.0 μg/m3 (28) | 22.2 μg/m3 (72) | 72.0 | |
| Jan. 22, 2020, 6 a.m. | 33.2 ppb (31) | 8.3 ppb (8) | 36.0 ppb (33) | 25.0 ppb (23) | 28.0 ppb (26) | 0.0 ppb (0) | 3.0 ppb (2) | 0.53 ppb (6) | 37.0 μg/m3 (34) | 19.4 μg/m3 (66) | 66.0 | |
| Jan. 22, 2020, 5 a.m. | 55.6 ppb (52) | 25.9 ppb (24) | 57.6 ppb (54) | 30.0 ppb (28) | 31.9 ppb (30) | 0.0 ppb (0) | 1.0 ppb (1) | 0.86 ppb (10) | 46.0 μg/m3 (42) | 25.5 μg/m3 (79) | 79.0 | |
| Jan. 22, 2020, 4 a.m. | 76.8 ppb (74) | 45.7 ppb (42) | 78.9 ppb (76) | 31.0 ppb (29) | 32.4 ppb (30) | 0.0 ppb (0) | 1.0 ppb (1) | 1.21 ppb (13) | 54.0 μg/m3 (49) | 24.1 μg/m3 (76) | 76.0 | |
| Jan. 22, 2020, 3 a.m. | 57.4 ppb (54) | 25.0 ppb (23) | 59.3 ppb (56) | 32.0 ppb (30) | 35.3 ppb (33) | 0.0 ppb (0) | 1.0 ppb (1) | 0.85 ppb (9) | 51.0 μg/m3 (46) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 22, 2020, 2 a.m. | 39.2 ppb (36) | 10.3 ppb (10) | 41.9 ppb (39) | 29.0 ppb (27) | 32.1 ppb (30) | 0.0 ppb (0) | 3.0 ppb (2) | 0.61 ppb (7) | 39.0 μg/m3 (35) | 21.0 μg/m3 (69) | 69.0 | |
| Jan. 22, 2020, 1 a.m. | 24.5 ppb (23) | 4.2 ppb (4) | 27.5 ppb (25) | 20.0 ppb (19) | 24.1 ppb (22) | 0.0 ppb (0) | 14.0 ppb (11) | 0.43 ppb (5) | 34.0 μg/m3 (31) | 14.5 μg/m3 (55) | 55.0 | |
| Jan. 22, 2020, midnight | 11.2 ppb (10) | 1.6 ppb (1) | 14.1 ppb (13) | 10.0 ppb (9) | 13.4 ppb (12) | 0.0 ppb (0) | 24.0 ppb (18) | 0.29 ppb (3) | 28.0 μg/m3 (25) | 14.8 μg/m3 (56) | 56.0 | |
| Jan. 21, 2020, 11 p.m. | 10.3 ppb (10) | 3.0 ppb (3) | 13.6 ppb (13) | 7.0 ppb (6) | 11.3 ppb (10) | 0.0 ppb (0) | 25.0 ppb (19) | 0.25 ppb (3) | 20.0 μg/m3 (18) | 16.9 μg/m3 (60) | 60.0 | |
| Jan. 21, 2020, 10 p.m. | 9.3 ppb (9) | 2.7 ppb (3) | 11.9 ppb (11) | 7.0 ppb (6) | 10.1 ppb (9) | 0.0 ppb (0) | 27.0 ppb (21) | 0.23 ppb (3) | 27.0 μg/m3 (25) | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 21, 2020, 9 p.m. | 10.5 ppb (10) | 3.6 ppb (3) | 14.1 ppb (13) | 7.0 ppb (6) | 10.4 ppb (10) | 0.0 ppb (0) | 25.0 ppb (19) | 0.23 ppb (3) | 26.0 μg/m3 (24) | 10.7 μg/m3 (45) | 45.0 | |
| Jan. 21, 2020, 8 p.m. | 8.3 ppb (8) | 3.1 ppb (3) | 12.6 ppb (12) | 5.0 ppb (5) | 9.2 ppb (9) | 0.0 ppb (0) | 24.0 ppb (18) | 0.24 ppb (3) | 19.0 μg/m3 (17) | 17.1 μg/m3 (61) | 61.0 | |
| Jan. 21, 2020, 7 p.m. | 8.8 ppb (8) | 3.3 ppb (3) | 12.4 ppb (11) | 5.0 ppb (5) | 9.3 ppb (9) | 1.0 ppb (1) | 21.0 ppb (16) | 0.26 ppb (3) | 32.0 μg/m3 (29) | 14.9 μg/m3 (56) | 56.0 | |
| Jan. 21, 2020, 6 p.m. | 18.9 ppb (18) | 9.6 ppb (9) | 22.2 ppb (21) | 9.0 ppb (8) | 13.5 ppb (12) | N/A | 11.0 ppb (8) | N/A | 32.0 μg/m3 (29) | 22.7 μg/m3 (73) | 73.0 | |
| Jan. 21, 2020, 5 p.m. | 34.0 ppb (31) | 21.1 ppb (20) | 35.4 ppb (33) | 13.0 ppb (12) | 15.9 ppb (15) | 0.0 ppb (0) | 4.0 ppb (3) | 0.67 ppb (7) | 38.0 μg/m3 (35) | 26.3 μg/m3 (80) | 80.0 | |
| Jan. 21, 2020, 4 p.m. | 65.7 ppb (62) | 54.1 ppb (50) | 68.3 ppb (65) | 12.0 ppb (11) | 16.0 ppb (15) | 0.0 ppb (0) | 1.0 ppb (1) | 1.03 ppb (11) | 50.0 μg/m3 (45) | 22.4 μg/m3 (72) | 72.0 | |
| Jan. 21, 2020, 3 p.m. | 61.9 ppb (58) | 52.4 ppb (49) | 66.6 ppb (63) | 10.0 ppb (9) | 13.7 ppb (13) | 0.0 ppb (0) | 1.0 ppb (1) | 0.98 ppb (11) | 45.0 μg/m3 (41) | 28.2 μg/m3 (84) | 84.0 | |
| Jan. 21, 2020, 2 p.m. | 61.5 ppb (58) | 51.6 ppb (48) | 67.3 ppb (64) | 10.0 ppb (9) | 14.3 ppb (13) | 0.0 ppb (0) | 1.0 ppb (1) | 0.83 ppb (9) | 41.0 μg/m3 (37) | 27.8 μg/m3 (84) | 84.0 | |
| Jan. 21, 2020, 1 p.m. | 45.2 ppb (42) | 35.8 ppb (33) | 48.7 ppb (45) | 9.0 ppb (8) | 13.7 ppb (13) | 0.0 ppb (0) | 1.0 ppb (1) | 0.62 ppb (7) | 42.0 μg/m3 (38) | 24.7 μg/m3 (77) | 77.0 | |
| Jan. 21, 2020, noon | N/A | N/A | 31.1 ppb (29) | N/A | 13.9 ppb (13) | 0.0 ppb (0) | N/A | 0.48 ppb (5) | 35.0 μg/m3 (32) | 24.6 μg/m3 (77) | 77.0 | |
| Jan. 21, 2020, 11 a.m. | 24.4 ppb (23) | 12.2 ppb (11) | 28.8 ppb (27) | 12.0 ppb (11) | 16.7 ppb (15) | 0.0 ppb (0) | 0.0 ppb (0) | 0.46 ppb (5) | 35.0 μg/m3 (32) | 23.4 μg/m3 (74) | 74.0 | |
| Jan. 21, 2020, 10 a.m. | 31.1 ppb (29) | 19.3 ppb (18) | 33.8 ppb (31) | 12.0 ppb (11) | 15.5 ppb (14) | 0.0 ppb (0) | 1.0 ppb (1) | 0.57 ppb (6) | 38.0 μg/m3 (35) | 28.9 μg/m3 (86) | 86.0 | |
| Jan. 21, 2020, 9 a.m. | 33.7 ppb (31) | 21.3 ppb (20) | 35.7 ppb (33) | 12.0 ppb (11) | 16.1 ppb (15) | 0.0 ppb (0) | 1.0 ppb (1) | 0.56 ppb (6) | 39.0 μg/m3 (35) | 26.2 μg/m3 (80) | 80.0 | |
| Jan. 21, 2020, 8 a.m. | 33.0 ppb (31) | 19.7 ppb (18) | 35.5 ppb (33) | 13.0 ppb (12) | 17.1 ppb (16) | 0.0 ppb (0) | 0.0 ppb (0) | 0.56 ppb (6) | 39.0 μg/m3 (35) | 24.9 μg/m3 (77) | 77.0 | |
| Jan. 21, 2020, 7 a.m. | 30.8 ppb (29) | 16.8 ppb (16) | 33.4 ppb (31) | 14.0 ppb (13) | 17.6 ppb (16) | 0.0 ppb (0) | 0.0 ppb (0) | 0.48 ppb (5) | 38.0 μg/m3 (35) | 22.7 μg/m3 (73) | 73.0 | |
| Jan. 21, 2020, 6 a.m. | 27.8 ppb (26) | 12.4 ppb (11) | 30.3 ppb (28) | 15.0 ppb (14) | 19.4 ppb (18) | 0.0 ppb (0) | 0.0 ppb (0) | 0.45 ppb (5) | 36.0 μg/m3 (33) | 19.3 μg/m3 (66) | 66.0 | |
| Jan. 21, 2020, 5 a.m. | 33.0 ppb (31) | 16.9 ppb (16) | 39.2 ppb (36) | 16.0 ppb (15) | 19.9 ppb (18) | 0.0 ppb (0) | 0.0 ppb (0) | 0.5 ppb (6) | 35.0 μg/m3 (32) | 22.8 μg/m3 (73) | 73.0 | |
| Jan. 21, 2020, 4 a.m. | 28.1 ppb (26) | 11.9 ppb (11) | 30.3 ppb (28) | 16.0 ppb (15) | 19.8 ppb (18) | 0.0 ppb (0) | 1.0 ppb (1) | 0.48 ppb (5) | 35.0 μg/m3 (32) | 23.0 μg/m3 (73) | 73.0 | |
| Jan. 21, 2020, 3 a.m. | 22.5 ppb (21) | 8.1 ppb (8) | 26.6 ppb (25) | 14.0 ppb (13) | 18.2 ppb (17) | 0.0 ppb (0) | 1.0 ppb (1) | 0.42 ppb (5) | 32.0 μg/m3 (29) | 18.4 μg/m3 (64) | 64.0 | |
| Jan. 21, 2020, 2 a.m. | 16.2 ppb (15) | 4.4 ppb (4) | 18.5 ppb (17) | 12.0 ppb (11) | 15.1 ppb (14) | 0.0 ppb (0) | 2.0 ppb (2) | 0.35 ppb (4) | 30.0 μg/m3 (27) | 17.1 μg/m3 (61) | 61.0 | |
| Jan. 21, 2020, 1 a.m. | 13.5 ppb (12) | 2.7 ppb (3) | 16.1 ppb (15) | 11.0 ppb (10) | 14.2 ppb (13) | 0.0 ppb (0) | 5.0 ppb (4) | 0.31 ppb (3) | 24.0 μg/m3 (22) | 18.3 μg/m3 (63) | 63.0 | |
| Jan. 21, 2020, midnight | 22.9 ppb (21) | 7.1 ppb (7) | 26.0 ppb (24) | 16.0 ppb (15) | 20.0 ppb (19) | 0.0 ppb (0) | 2.0 ppb (2) | 0.39 ppb (4) | 32.0 μg/m3 (29) | 20.7 μg/m3 (69) | 69.0 | |
| Jan. 20, 2020, 11 p.m. | 22.2 ppb (21) | 8.9 ppb (8) | 25.5 ppb (24) | 13.0 ppb (12) | 17.2 ppb (16) | 0.0 ppb (0) | 4.0 ppb (3) | 0.37 ppb (4) | 37.0 μg/m3 (34) | 18.9 μg/m3 (65) | 65.0 | |
| Jan. 20, 2020, 10 p.m. | 24.1 ppb (22) | 13.1 ppb (12) | 26.7 ppb (25) | 11.0 ppb (10) | 14.7 ppb (14) | 0.0 ppb (0) | 5.0 ppb (4) | 0.41 ppb (5) | 31.0 μg/m3 (28) | 19.6 μg/m3 (66) | 66.0 | |
| Jan. 20, 2020, 9 p.m. | 18.3 ppb (17) | 9.5 ppb (9) | 21.3 ppb (20) | 9.0 ppb (8) | 12.6 ppb (12) | 0.0 ppb (0) | 5.0 ppb (4) | 0.36 ppb (4) | 29.0 μg/m3 (26) | 18.1 μg/m3 (63) | 63.0 | |
| Jan. 20, 2020, 8 p.m. | 25.5 ppb (24) | 14.8 ppb (14) | 28.0 ppb (26) | 11.0 ppb (10) | 14.4 ppb (13) | 0.0 ppb (0) | 5.0 ppb (4) | 0.38 ppb (4) | 35.0 μg/m3 (32) | 23.0 μg/m3 (73) | 73.0 | |
| Jan. 20, 2020, 7 p.m. | 25.3 ppb (23) | 13.8 ppb (13) | 27.3 ppb (25) | 12.0 ppb (11) | 14.7 ppb (14) | 0.0 ppb (0) | 6.0 ppb (5) | 0.48 ppb (5) | 30.0 μg/m3 (27) | 19.6 μg/m3 (66) | 66.0 | |
| Jan. 20, 2020, 6 p.m. | 31.9 ppb (30) | 20.8 ppb (19) | 33.6 ppb (31) | 11.0 ppb (10) | 13.9 ppb (13) | 0.0 ppb (0) | 4.0 ppb (3) | 0.55 ppb (6) | 34.0 μg/m3 (31) | 20.4 μg/m3 (68) | 68.0 | |
| Jan. 20, 2020, 5 p.m. | 22.6 ppb (21) | 13.0 ppb (12) | 24.1 ppb (22) | 10.0 ppb (9) | 12.3 ppb (11) | 0.0 ppb (0) | 2.0 ppb (2) | 0.43 ppb (5) | 22.0 μg/m3 (20) | 18.3 μg/m3 (63) | 63.0 | |
| Jan. 20, 2020, 4 p.m. | 25.3 ppb (23) | 15.0 ppb (14) | 26.5 ppb (25) | 10.0 ppb (9) | 12.7 ppb (12) | 0.0 ppb (0) | 1.0 ppb (1) | 0.47 ppb (5) | 21.0 μg/m3 (19) | 12.5 μg/m3 (51) | 51.0 | |
| Jan. 20, 2020, 3 p.m. | 20.9 ppb (19) | 10.1 ppb (9) | 22.3 ppb (21) | 11.0 ppb (10) | 13.5 ppb (12) | 0.0 ppb (0) | 1.0 ppb (1) | 0.43 ppb (5) | 24.0 μg/m3 (22) | 15.9 μg/m3 (58) | 58.0 | |
| Jan. 20, 2020, 2 p.m. | 13.1 ppb (12) | 4.1 ppb (4) | 14.3 ppb (13) | 9.0 ppb (8) | 11.8 ppb (11) | 0.0 ppb (0) | 3.0 ppb (2) | 0.36 ppb (4) | 21.0 μg/m3 (19) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 20, 2020, 1 p.m. | 8.9 ppb (8) | 2.2 ppb (2) | 11.9 ppb (11) | 7.0 ppb (6) | 10.0 ppb (9) | 0.0 ppb (0) | 5.0 ppb (4) | 0.26 ppb (3) | 23.0 μg/m3 (21) | 17.8 μg/m3 (62) | 62.0 | |
| Jan. 20, 2020, noon | N/A | N/A | 10.2 ppb (9) | N/A | 9.7 ppb (9) | 0.0 ppb (0) | N/A | 0.23 ppb (3) | 19.0 μg/m3 (17) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 20, 2020, 11 a.m. | 10.2 ppb (9) | 1.8 ppb (2) | 12.1 ppb (11) | 8.0 ppb (7) | 11.3 ppb (10) | 0.0 ppb (0) | 5.0 ppb (4) | 0.25 ppb (3) | 23.0 μg/m3 (21) | 17.6 μg/m3 (62) | 62.0 | |
| Jan. 20, 2020, 10 a.m. | 8.9 ppb (8) | 1.7 ppb (2) | 11.1 ppb (10) | 7.0 ppb (6) | 10.4 ppb (10) | 0.0 ppb (0) | 5.0 ppb (4) | 0.26 ppb (3) | 25.0 μg/m3 (23) | 19.9 μg/m3 (67) | 67.0 | |
| Jan. 20, 2020, 9 a.m. | 20.1 ppb (19) | 8.0 ppb (7) | 21.8 ppb (20) | 12.0 ppb (11) | 15.2 ppb (14) | 0.0 ppb (0) | 2.0 ppb (2) | 0.34 ppb (4) | 23.0 μg/m3 (21) | 21.0 μg/m3 (69) | 69.0 | |
| Jan. 20, 2020, 8 a.m. | 14.1 ppb (13) | 3.5 ppb (3) | 16.0 ppb (15) | 11.0 ppb (10) | 13.7 ppb (13) | 0.0 ppb (0) | 2.0 ppb (2) | 0.4 ppb (4) | 23.0 μg/m3 (21) | 19.0 μg/m3 (65) | 65.0 | |
| Jan. 20, 2020, 7 a.m. | 8.4 ppb (8) | 1.9 ppb (2) | 10.6 ppb (10) | 7.0 ppb (6) | 9.7 ppb (9) | 0.0 ppb (0) | 6.0 ppb (5) | 0.29 ppb (3) | 24.0 μg/m3 (22) | 11.3 μg/m3 (47) | 47.0 | |
| Jan. 20, 2020, 6 a.m. | 15.0 ppb (14) | 3.0 ppb (3) | 16.7 ppb (15) | 12.0 ppb (11) | 14.8 ppb (14) | 0.0 ppb (0) | 4.0 ppb (3) | 0.35 ppb (4) | 25.0 μg/m3 (23) | 19.7 μg/m3 (66) | 66.0 | |
| Jan. 20, 2020, 5 a.m. | 23.0 ppb (21) | 7.0 ppb (6) | 25.1 ppb (23) | 16.0 ppb (15) | 19.4 ppb (18) | 0.0 ppb (0) | 2.0 ppb (2) | 0.49 ppb (5) | 37.0 μg/m3 (34) | 26.5 μg/m3 (81) | 81.0 | |
| Jan. 20, 2020, 4 a.m. | 16.0 ppb (15) | 3.3 ppb (3) | 18.5 ppb (17) | 13.0 ppb (12) | 16.5 ppb (15) | 0.0 ppb (0) | 4.0 ppb (3) | 0.43 ppb (5) | 32.0 μg/m3 (29) | 25.7 μg/m3 (79) | 79.0 | |
| Jan. 20, 2020, 3 a.m. | 11.4 ppb (11) | 2.3 ppb (2) | 13.7 ppb (13) | 9.0 ppb (8) | 12.4 ppb (11) | 0.0 ppb (0) | 9.0 ppb (7) | 0.34 ppb (4) | 23.0 μg/m3 (21) | 18.4 μg/m3 (64) | 64.0 | |
| Jan. 20, 2020, 2 a.m. | 14.4 ppb (13) | 2.1 ppb (2) | 17.2 ppb (16) | 12.0 ppb (11) | 16.1 ppb (15) | 0.0 ppb (0) | 7.0 ppb (5) | 0.38 ppb (4) | 36.0 μg/m3 (33) | 25.8 μg/m3 (79) | 79.0 | |
| Jan. 20, 2020, 1 a.m. | 16.3 ppb (15) | 2.4 ppb (2) | 19.4 ppb (18) | 14.0 ppb (13) | 18.0 ppb (17) | 0.0 ppb (0) | 8.0 ppb (6) | 0.46 ppb (5) | 36.0 μg/m3 (33) | 29.1 μg/m3 (86) | 86.0 | |
| Jan. 20, 2020, midnight | 12.6 ppb (12) | 2.0 ppb (2) | 15.7 ppb (15) | 11.0 ppb (10) | 14.7 ppb (14) | 0.0 ppb (0) | 12.0 ppb (9) | 0.39 ppb (4) | 35.0 μg/m3 (32) | 26.1 μg/m3 (80) | 80.0 | |
| Jan. 19, 2020, 11 p.m. | 12.5 ppb (12) | 3.0 ppb (3) | 16.1 ppb (15) | 9.0 ppb (8) | 13.8 ppb (13) | 0.0 ppb (0) | 12.0 ppb (9) | 0.33 ppb (4) | 30.0 μg/m3 (27) | 23.5 μg/m3 (74) | 74.0 | |
| Jan. 19, 2020, 10 p.m. | 9.5 ppb (9) | 3.2 ppb (3) | 12.5 ppb (12) | 6.0 ppb (6) | 10.0 ppb (9) | 0.0 ppb (0) | 16.0 ppb (12) | 0.29 ppb (3) | 26.0 μg/m3 (24) | 19.2 μg/m3 (65) | 65.0 | |
| Jan. 19, 2020, 9 p.m. | 7.8 ppb (7) | 3.0 ppb (3) | 10.2 ppb (9) | 5.0 ppb (5) | 8.0 ppb (7) | 0.0 ppb (0) | 17.0 ppb (13) | 0.29 ppb (3) | 20.0 μg/m3 (18) | 20.0 μg/m3 (67) | 67.0 | |
| Jan. 19, 2020, 8 p.m. | 8.7 ppb (8) | 3.8 ppb (4) | 12.4 ppb (11) | 5.0 ppb (5) | 8.0 ppb (7) | 0.0 ppb (0) | 17.0 ppb (13) | 0.26 ppb (3) | 18.0 μg/m3 (16) | 19.5 μg/m3 (66) | 66.0 | |
| Jan. 19, 2020, 7 p.m. | 9.8 ppb (9) | 3.2 ppb (3) | 11.5 ppb (11) | 7.0 ppb (6) | 9.3 ppb (9) | 0.0 ppb (0) | 16.0 ppb (12) | 0.29 ppb (3) | 26.0 μg/m3 (24) | 22.8 μg/m3 (73) | 73.0 | |
| Jan. 19, 2020, 6 p.m. | 8.6 ppb (8) | 2.6 ppb (2) | 11.7 ppb (11) | 6.0 ppb (6) | 8.8 ppb (8) | 0.0 ppb (0) | 17.0 ppb (13) | 0.26 ppb (3) | 21.0 μg/m3 (19) | 20.6 μg/m3 (68) | 68.0 | |
| Jan. 19, 2020, 5 p.m. | 7.7 ppb (7) | 2.2 ppb (2) | 10.0 ppb (9) | 6.0 ppb (6) | 8.4 ppb (8) | 0.0 ppb (0) | 17.0 ppb (13) | 0.25 ppb (3) | 20.0 μg/m3 (18) | 18.2 μg/m3 (63) | 63.0 | |
| Jan. 19, 2020, 4 p.m. | 7.3 ppb (7) | 1.6 ppb (1) | 9.5 ppb (9) | 6.0 ppb (6) | 8.8 ppb (8) | 0.0 ppb (0) | 17.0 ppb (13) | 0.25 ppb (3) | 23.0 μg/m3 (21) | 21.9 μg/m3 (71) | 71.0 | |
| Jan. 19, 2020, 3 p.m. | 5.9 ppb (5) | 1.3 ppb (1) | 8.0 ppb (7) | 5.0 ppb (5) | 7.6 ppb (7) | 0.0 ppb (0) | 19.0 ppb (15) | 0.23 ppb (3) | 19.0 μg/m3 (17) | 17.8 μg/m3 (62) | 62.0 | |
| Jan. 19, 2020, 2 p.m. | 10.4 ppb (10) | 2.2 ppb (2) | 12.4 ppb (11) | 8.0 ppb (7) | 11.6 ppb (11) | 0.0 ppb (0) | 12.0 ppb (9) | 0.27 ppb (3) | 25.0 μg/m3 (23) | 23.3 μg/m3 (74) | 74.0 | |
| Jan. 19, 2020, 1 p.m. | 15.5 ppb (14) | 3.2 ppb (3) | 17.1 ppb (16) | 12.0 ppb (11) | 16.2 ppb (15) | 0.0 ppb (0) | 4.0 ppb (3) | 0.34 ppb (4) | 40.0 μg/m3 (36) | 26.8 μg/m3 (81) | 81.0 | |
| Jan. 19, 2020, noon | N/A | N/A | 15.9 ppb (15) | N/A | 14.7 ppb (14) | 0.0 ppb (0) | N/A | 0.31 ppb (3) | 28.0 μg/m3 (25) | 26.7 μg/m3 (81) | 81.0 | |
| Jan. 19, 2020, 11 a.m. | 12.7 ppb (12) | 2.6 ppb (2) | 15.3 ppb (14) | 10.0 ppb (9) | 13.5 ppb (12) | 0.0 ppb (0) | 7.0 ppb (5) | 0.32 ppb (4) | 30.0 μg/m3 (27) | 25.1 μg/m3 (78) | 78.0 | |
| Jan. 19, 2020, 10 a.m. | 10.8 ppb (10) | 2.1 ppb (2) | 11.8 ppb (11) | 9.0 ppb (8) | 11.3 ppb (10) | 0.0 ppb (0) | 9.0 ppb (7) | 0.28 ppb (3) | 24.0 μg/m3 (22) | 21.4 μg/m3 (70) | 70.0 | |
| Jan. 19, 2020, 9 a.m. | 10.2 ppb (9) | 2.7 ppb (3) | 10.5 ppb (10) | 8.0 ppb (7) | 9.8 ppb (9) | 0.0 ppb (0) | 11.0 ppb (8) | 0.27 ppb (3) | 23.0 μg/m3 (21) | 20.0 μg/m3 (67) | 67.0 | |
| Jan. 19, 2020, 8 a.m. | 8.1 ppb (8) | 1.2 ppb (1) | 9.0 ppb (8) | 7.0 ppb (6) | 8.8 ppb (8) | 0.0 ppb (0) | 11.0 ppb (8) | 0.28 ppb (3) | 19.0 μg/m3 (17) | 15.1 μg/m3 (57) | 57.0 | |
| Jan. 19, 2020, 7 a.m. | 6.9 ppb (6) | 1.9 ppb (2) | 6.7 ppb (6) | 5.0 ppb (5) | 6.4 ppb (6) | 0.0 ppb (0) | 13.0 ppb (10) | 0.25 ppb (3) | 10.0 μg/m3 (9) | 10.8 μg/m3 (45) | 45.0 | |
| Jan. 19, 2020, 6 a.m. | 6.3 ppb (6) | 1.5 ppb (1) | 6.6 ppb (6) | 5.0 ppb (5) | 6.2 ppb (6) | 0.0 ppb (0) | 13.0 ppb (10) | 0.24 ppb (3) | 13.0 μg/m3 (12) | 12.0 μg/m3 (50) | 50.0 | |
| Jan. 19, 2020, 5 a.m. | 6.8 ppb (6) | 1.3 ppb (1) | 7.3 ppb (7) | 5.0 ppb (5) | 7.0 ppb (6) | 0.0 ppb (0) | 13.0 ppb (10) | 0.25 ppb (3) | 15.0 μg/m3 (14) | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 19, 2020, 4 a.m. | 7.3 ppb (7) | 1.4 ppb (1) | 8.0 ppb (7) | 6.0 ppb (6) | 7.5 ppb (7) | 0.0 ppb (0) | 13.0 ppb (10) | 0.27 ppb (3) | 17.0 μg/m3 (15) | 9.2 μg/m3 (38) | 38.0 | |
| Jan. 19, 2020, 3 a.m. | 7.6 ppb (7) | 1.6 ppb (1) | 8.5 ppb (8) | 6.0 ppb (6) | 7.8 ppb (7) | 0.0 ppb (0) | 12.0 ppb (9) | 0.27 ppb (3) | 18.0 μg/m3 (16) | 16.2 μg/m3 (59) | 59.0 | |
| Jan. 19, 2020, 2 a.m. | 8.3 ppb (8) | 1.8 ppb (2) | 9.0 ppb (8) | 6.0 ppb (6) | 8.2 ppb (8) | 0.0 ppb (0) | 12.0 ppb (9) | 0.25 ppb (3) | 14.0 μg/m3 (13) | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 19, 2020, 1 a.m. | 9.5 ppb (9) | 1.6 ppb (1) | 10.2 ppb (9) | 8.0 ppb (7) | 9.5 ppb (9) | 0.0 ppb (0) | 11.0 ppb (8) | 0.27 ppb (3) | 15.0 μg/m3 (14) | 11.8 μg/m3 (49) | 49.0 | |
| Jan. 19, 2020, midnight | 9.0 ppb (8) | 2.5 ppb (2) | 9.4 ppb (9) | 6.0 ppb (6) | 7.8 ppb (7) | 0.0 ppb (0) | 12.0 ppb (9) | 0.26 ppb (3) | 17.0 μg/m3 (15) | 11.7 μg/m3 (49) | 49.0 | |
| Jan. 18, 2020, 11 p.m. | 8.6 ppb (8) | 2.6 ppb (2) | 9.1 ppb (8) | 6.0 ppb (6) | 7.4 ppb (7) | 0.0 ppb (0) | 15.0 ppb (12) | 0.26 ppb (3) | 16.0 μg/m3 (15) | 13.3 μg/m3 (53) | 53.0 | |
| Jan. 18, 2020, 10 p.m. | 8.6 ppb (8) | 2.7 ppb (3) | 9.5 ppb (9) | 6.0 ppb (6) | 7.7 ppb (7) | 0.0 ppb (0) | 16.0 ppb (12) | 0.27 ppb (3) | 23.0 μg/m3 (21) | 20.4 μg/m3 (68) | 68.0 | |
| Jan. 18, 2020, 9 p.m. | 9.3 ppb (9) | 3.6 ppb (3) | 9.3 ppb (9) | 6.0 ppb (6) | 6.7 ppb (6) | 0.0 ppb (0) | 17.0 ppb (13) | 0.25 ppb (3) | 15.0 μg/m3 (14) | 10.4 μg/m3 (43) | 43.0 | |
| Jan. 18, 2020, 8 p.m. | 13.5 ppb (12) | 6.3 ppb (6) | 12.8 ppb (12) | 7.0 ppb (6) | 7.7 ppb (7) | 0.0 ppb (0) | 12.0 ppb (9) | 0.27 ppb (3) | 14.0 μg/m3 (13) | 9.1 μg/m3 (38) | 38.0 | |
| Jan. 18, 2020, 7 p.m. | 16.8 ppb (16) | 7.6 ppb (7) | 15.4 ppb (14) | 9.0 ppb (8) | 9.3 ppb (9) | 0.0 ppb (0) | 10.0 ppb (8) | 0.29 ppb (3) | 13.0 μg/m3 (12) | 17.3 μg/m3 (61) | 61.0 | |
| Jan. 18, 2020, 6 p.m. | 16.1 ppb (15) | 8.3 ppb (8) | 14.9 ppb (14) | 8.0 ppb (7) | 7.9 ppb (7) | 0.0 ppb (0) | 7.0 ppb (5) | 0.32 ppb (4) | 14.0 μg/m3 (13) | 10.1 μg/m3 (42) | 42.0 | |
| Jan. 18, 2020, 5 p.m. | 17.3 ppb (16) | 9.1 ppb (8) | 16.7 ppb (15) | 8.0 ppb (7) | 8.8 ppb (8) | 0.0 ppb (0) | 5.0 ppb (4) | 0.33 ppb (4) | 13.0 μg/m3 (12) | 9.4 μg/m3 (39) | 39.0 | |
| Jan. 18, 2020, 4 p.m. | 16.0 ppb (15) | 7.4 ppb (7) | 15.4 ppb (14) | 9.0 ppb (8) | 9.0 ppb (8) | 0.0 ppb (0) | 3.0 ppb (2) | 0.29 ppb (3) | 11.0 μg/m3 (10) | 9.9 μg/m3 (41) | 41.0 | |
| Jan. 18, 2020, 3 p.m. | 44.0 ppb (41) | 32.3 ppb (30) | 43.9 ppb (41) | 12.0 ppb (11) | 13.0 ppb (12) | 0.0 ppb (0) | 1.0 ppb (1) | 0.52 ppb (6) | 22.0 μg/m3 (20) | 16.3 μg/m3 (59) | 59.0 | |
| Jan. 18, 2020, 2 p.m. | 42.0 ppb (39) | 30.4 ppb (28) | 42.1 ppb (39) | 12.0 ppb (11) | 12.7 ppb (12) | 0.0 ppb (0) | 0.0 ppb (0) | 0.52 ppb (6) | 18.0 μg/m3 (16) | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 18, 2020, 1 p.m. | 39.4 ppb (36) | 27.7 ppb (26) | 35.5 ppb (33) | 12.0 ppb (11) | 12.8 ppb (12) | 0.0 ppb (0) | 1.0 ppb (1) | 0.44 ppb (5) | 17.0 μg/m3 (15) | 13.9 μg/m3 (54) | 54.0 | |
| Jan. 18, 2020, noon | N/A | N/A | 21.0 ppb (19) | N/A | 13.1 ppb (12) | 0.0 ppb (0) | N/A | 0.38 ppb (4) | 15.0 μg/m3 (14) | 14.1 μg/m3 (54) | 54.0 | |
| Jan. 18, 2020, 11 a.m. | 22.6 ppb (21) | 9.0 ppb (8) | 23.0 ppb (21) | 14.0 ppb (13) | 14.8 ppb (14) | 0.0 ppb (0) | 1.0 ppb (1) | 0.4 ppb (4) | 16.0 μg/m3 (15) | 15.4 μg/m3 (57) | 57.0 | |
| Jan. 18, 2020, 10 a.m. | 40.7 ppb (38) | 27.0 ppb (25) | 41.1 ppb (38) | 14.0 ppb (13) | 15.5 ppb (14) | 0.0 ppb (0) | 1.0 ppb (1) | 0.72 ppb (8) | 34.0 μg/m3 (31) | 29.9 μg/m3 (88) | 88.0 | |
| Jan. 18, 2020, 9 a.m. | 40.0 ppb (37) | 24.8 ppb (23) | 41.0 ppb (38) | 15.0 ppb (14) | 17.3 ppb (16) | 0.0 ppb (0) | 1.0 ppb (1) | 0.77 ppb (9) | 38.0 μg/m3 (35) | 30.5 μg/m3 (89) | 89.0 | |
| Jan. 18, 2020, 8 a.m. | 51.2 ppb (47) | 33.3 ppb (31) | 49.3 ppb (46) | 18.0 ppb (17) | 19.2 ppb (18) | 0.0 ppb (0) | 1.0 ppb (1) | 0.85 ppb (9) | 48.0 μg/m3 (44) | 36.7 μg/m3 (103) | 103.0 | |
| Jan. 18, 2020, 7 a.m. | 45.2 ppb (42) | 28.5 ppb (26) | 44.5 ppb (41) | 17.0 ppb (16) | 18.1 ppb (17) | 0.0 ppb (0) | 1.0 ppb (1) | 0.81 ppb (9) | 38.0 μg/m3 (35) | 28.4 μg/m3 (85) | 85.0 | |
| Jan. 18, 2020, 6 a.m. | 31.9 ppb (30) | 13.9 ppb (13) | 32.1 ppb (30) | 18.0 ppb (17) | 19.9 ppb (18) | 0.0 ppb (0) | 1.0 ppb (1) | 0.54 ppb (6) | 31.0 μg/m3 (28) | 20.1 μg/m3 (67) | 67.0 | |
| Jan. 18, 2020, 5 a.m. | 17.1 ppb (16) | 3.2 ppb (3) | 18.0 ppb (17) | 14.0 ppb (13) | 16.2 ppb (15) | 0.0 ppb (0) | 7.0 ppb (5) | 0.37 ppb (4) | 25.0 μg/m3 (23) | 13.5 μg/m3 (53) | 53.0 | |
| Jan. 18, 2020, 4 a.m. | 16.1 ppb (15) | 2.4 ppb (2) | 17.1 ppb (16) | 14.0 ppb (13) | 15.5 ppb (14) | 0.0 ppb (0) | 8.0 ppb (6) | 0.41 ppb (5) | 22.0 μg/m3 (20) | 14.2 μg/m3 (55) | 55.0 | |
| Jan. 18, 2020, 3 a.m. | 14.3 ppb (13) | 1.7 ppb (2) | 14.7 ppb (14) | 13.0 ppb (12) | 14.1 ppb (13) | 0.0 ppb (0) | 10.0 ppb (8) | 0.35 ppb (4) | 23.0 μg/m3 (21) | 18.1 μg/m3 (63) | 63.0 | |
| Jan. 18, 2020, 2 a.m. | 17.9 ppb (17) | 1.7 ppb (2) | 18.4 ppb (17) | 16.0 ppb (15) | 17.7 ppb (16) | 0.0 ppb (0) | 11.0 ppb (8) | 0.38 ppb (4) | 28.0 μg/m3 (25) | 15.3 μg/m3 (57) | 57.0 | |
| Jan. 18, 2020, 1 a.m. | 14.4 ppb (13) | 1.7 ppb (2) | 14.8 ppb (14) | 13.0 ppb (12) | 14.2 ppb (13) | 0.0 ppb (0) | 17.0 ppb (13) | 0.35 ppb (4) | 17.0 μg/m3 (15) | 7.8 μg/m3 (32) | 32.0 | |
| Jan. 18, 2020, midnight | 11.0 ppb (10) | 2.2 ppb (2) | 11.7 ppb (11) | 9.0 ppb (8) | 10.1 ppb (9) | 0.0 ppb (0) | 21.0 ppb (16) | 0.25 ppb (3) | 13.0 μg/m3 (12) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 17, 2020, 11 p.m. | 11.2 ppb (10) | 2.5 ppb (2) | 11.1 ppb (10) | 9.0 ppb (8) | 9.6 ppb (9) | 0.0 ppb (0) | 21.0 ppb (16) | 0.24 ppb (3) | 11.0 μg/m3 (10) | 7.7 μg/m3 (32) | 32.0 | |
| Jan. 17, 2020, 10 p.m. | 12.7 ppb (12) | 3.1 ppb (3) | 13.2 ppb (12) | 10.0 ppb (9) | 10.5 ppb (10) | 0.0 ppb (0) | 21.0 ppb (16) | 0.26 ppb (3) | 12.0 μg/m3 (11) | 10.8 μg/m3 (45) | 45.0 | |
| Jan. 17, 2020, 9 p.m. | 13.5 ppb (12) | 4.4 ppb (4) | 13.3 ppb (12) | 9.0 ppb (8) | 9.7 ppb (9) | 0.0 ppb (0) | 22.0 ppb (17) | 0.27 ppb (3) | 12.0 μg/m3 (11) | 6.3 μg/m3 (26) | 26.0 | |
| Jan. 17, 2020, 8 p.m. | 15.4 ppb (14) | 5.2 ppb (5) | 14.7 ppb (14) | 10.0 ppb (9) | 10.4 ppb (10) | 0.0 ppb (0) | 22.0 ppb (17) | 0.31 ppb (3) | 7.0 μg/m3 (6) | 5.0 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 7 p.m. | 18.5 ppb (17) | 6.6 ppb (6) | 17.6 ppb (16) | 12.0 ppb (11) | 11.8 ppb (11) | 0.0 ppb (0) | 21.0 ppb (16) | 0.37 ppb (4) | 9.0 μg/m3 (8) | 5.8 μg/m3 (24) | 24.0 | |
| Jan. 17, 2020, 6 p.m. | 23.2 ppb (21) | 9.2 ppb (9) | 22.0 ppb (20) | 14.0 ppb (13) | 13.7 ppb (13) | 0.0 ppb (0) | 17.0 ppb (13) | 0.42 ppb (5) | 12.0 μg/m3 (11) | 3.3 μg/m3 (14) | 21.0 | |
| Jan. 17, 2020, 5 p.m. | 20.3 ppb (19) | 7.5 ppb (7) | 19.5 ppb (18) | 13.0 ppb (12) | 12.0 ppb (11) | 0.0 ppb (0) | 16.0 ppb (12) | 0.39 ppb (4) | 6.0 μg/m3 (5) | 5.5 μg/m3 (23) | 23.0 | |
| Jan. 17, 2020, 4 p.m. | 42.9 ppb (40) | 23.2 ppb (21) | 42.1 ppb (39) | 20.0 ppb (19) | 19.6 ppb (18) | 0.0 ppb (0) | 5.0 ppb (4) | 0.64 ppb (7) | 9.0 μg/m3 (8) | 8.9 μg/m3 (37) | 40.0 | |
| Jan. 17, 2020, 3 p.m. | 57.0 ppb (53) | 34.2 ppb (32) | 57.3 ppb (54) | 23.0 ppb (21) | 22.8 ppb (21) | 0.0 ppb (0) | 1.0 ppb (1) | 0.79 ppb (9) | 12.0 μg/m3 (11) | 8.2 μg/m3 (34) | 54.0 | |
| Jan. 17, 2020, 2 p.m. | 42.7 ppb (40) | 21.7 ppb (20) | 40.4 ppb (37) | 21.0 ppb (19) | 20.5 ppb (19) | 0.0 ppb (0) | 1.0 ppb (1) | 0.56 ppb (6) | 12.0 μg/m3 (11) | 5.6 μg/m3 (23) | 40.0 | |
| Jan. 17, 2020, 1 p.m. | 18.6 ppb (17) | 3.0 ppb (3) | 18.7 ppb (17) | 16.0 ppb (15) | 15.9 ppb (15) | 0.0 ppb (0) | 5.0 ppb (4) | 0.3 ppb (3) | 5.0 μg/m3 (5) | 4.4 μg/m3 (18) | 18.0 | |
| Jan. 17, 2020, noon | N/A | N/A | 18.5 ppb (17) | N/A | 16.5 ppb (15) | 0.0 ppb (0) | N/A | 0.35 ppb (4) | 5.0 μg/m3 (5) | 0.0 μg/m3 (0) | 17.0 | |
| Jan. 17, 2020, 11 a.m. | 12.7 ppb (12) | 1.4 ppb (1) | 12.3 ppb (11) | 11.0 ppb (10) | 11.8 ppb (11) | 0.0 ppb (0) | 10.0 ppb (8) | 0.26 ppb (3) | 4.0 μg/m3 (4) | -0.7 μg/m3 (0) | 12.0 | |
| Jan. 17, 2020, 10 a.m. | 10.1 ppb (9) | 1.2 ppb (1) | 9.2 ppb (9) | 9.0 ppb (8) | 8.9 ppb (8) | 0.0 ppb (0) | 13.0 ppb (10) | 0.22 ppb (2) | 5.0 μg/m3 (5) | 4.3 μg/m3 (18) | 18.0 | |
| Jan. 17, 2020, 9 a.m. | 11.4 ppb (11) | 4.8 ppb (4) | 7.9 ppb (7) | 7.0 ppb (6) | 6.5 ppb (6) | 0.0 ppb (0) | 17.0 ppb (13) | 0.21 ppb (2) | 4.0 μg/m3 (4) | 6.8 μg/m3 (28) | 28.0 | |
| Jan. 17, 2020, 8 a.m. | 9.0 ppb (8) | 1.9 ppb (2) | 7.4 ppb (7) | 7.0 ppb (6) | 6.9 ppb (6) | 0.0 ppb (0) | 17.0 ppb (13) | 0.22 ppb (2) | 8.0 μg/m3 (7) | 5.1 μg/m3 (21) | 21.0 | |
| Jan. 17, 2020, 7 a.m. | 10.8 ppb (10) | 4.3 ppb (4) | 13.1 ppb (12) | 7.0 ppb (6) | 7.3 ppb (7) | 0.0 ppb (0) | 20.0 ppb (15) | 0.23 ppb (3) | 8.0 μg/m3 (7) | 4.0 μg/m3 (17) | 17.0 | |
| Jan. 17, 2020, 6 a.m. | 11.7 ppb (11) | 3.1 ppb (3) | 11.2 ppb (10) | 9.0 ppb (8) | 8.7 ppb (8) | 0.0 ppb (0) | 20.0 ppb (15) | 0.26 ppb (3) | 5.0 μg/m3 (5) | 2.9 μg/m3 (12) | 15.0 | |
| Jan. 17, 2020, 5 a.m. | 12.2 ppb (11) | 2.9 ppb (3) | 16.3 ppb (15) | 9.0 ppb (8) | 10.6 ppb (10) | 0.0 ppb (0) | 21.0 ppb (16) | 0.26 ppb (3) | 5.0 μg/m3 (5) | 2.7 μg/m3 (11) | 16.0 | |
| Jan. 17, 2020, 4 a.m. | 17.9 ppb (17) | 4.4 ppb (4) | 17.1 ppb (16) | 14.0 ppb (13) | 14.0 ppb (13) | 0.0 ppb (0) | 17.0 ppb (13) | 0.3 ppb (3) | 6.0 μg/m3 (5) | 6.5 μg/m3 (27) | 27.0 | |
| Jan. 17, 2020, 3 a.m. | 18.2 ppb (17) | 1.6 ppb (1) | 17.8 ppb (16) | 17.0 ppb (16) | 17.2 ppb (16) | 0.0 ppb (0) | 13.0 ppb (10) | 0.4 ppb (4) | 18.0 μg/m3 (16) | 5.9 μg/m3 (25) | 25.0 | |
| Jan. 17, 2020, 2 a.m. | 10.2 ppb (9) | 1.4 ppb (1) | 9.5 ppb (9) | 9.0 ppb (8) | 9.1 ppb (8) | 0.0 ppb (0) | 23.0 ppb (18) | 0.26 ppb (3) | 3.0 μg/m3 (3) | 1.6 μg/m3 (7) | 18.0 | |
| Jan. 17, 2020, 1 a.m. | 8.7 ppb (8) | 1.7 ppb (2) | 8.0 ppb (7) | 7.0 ppb (6) | 7.2 ppb (7) | N/A | 25.0 ppb (19) | N/A | 5.0 μg/m3 (5) | 1.3 μg/m3 (5) | 19.0 | |
| Jan. 17, 2020, midnight | 6.8 ppb (6) | 1.4 ppb (1) | 6.3 ppb (6) | 5.0 ppb (5) | 5.7 ppb (5) | N/A | 27.0 ppb (21) | N/A | 5.0 μg/m3 (5) | 2.1 μg/m3 (9) | 21.0 | |
| Jan. 16, 2020, 11 p.m. | 4.7 ppb (4) | 1.1 ppb (1) | 4.1 ppb (4) | 4.0 ppb (4) | 3.8 ppb (4) | 0.0 ppb (0) | 30.0 ppb (23) | 0.19 ppb (2) | 7.0 μg/m3 (6) | 3.5 μg/m3 (15) | 23.0 | |
| Jan. 16, 2020, 10 p.m. | 7.6 ppb (7) | 2.2 ppb (2) | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 28.0 ppb (22) | 0.22 ppb (2) | 22.0 μg/m3 (20) | 7.0 μg/m3 (29) | 29.0 | |
| Jan. 16, 2020, 9 p.m. | 5.7 ppb (5) | 2.2 ppb (2) | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 33.0 ppb (25) | 0.18 ppb (2) | 49.0 μg/m3 (45) | 6.6 μg/m3 (28) | 45.0 | |
| Jan. 16, 2020, 8 p.m. | 6.1 ppb (6) | 2.6 ppb (2) | 10.9 ppb (10) | 4.0 ppb (4) | 6.4 ppb (6) | 0.0 ppb (0) | 33.0 ppb (25) | 0.18 ppb (2) | 36.0 μg/m3 (33) | 4.1 μg/m3 (17) | 33.0 | |
| Jan. 16, 2020, 7 p.m. | 6.5 ppb (6) | 2.7 ppb (3) | 9.0 ppb (8) | 4.0 ppb (4) | 5.5 ppb (5) | 0.0 ppb (0) | 31.0 ppb (24) | 0.19 ppb (2) | 32.0 μg/m3 (29) | 4.6 μg/m3 (19) | 29.0 | |
| Jan. 16, 2020, 6 p.m. | 8.5 ppb (8) | 4.0 ppb (4) | 11.9 ppb (11) | 5.0 ppb (5) | 6.4 ppb (6) | 0.0 ppb (0) | 28.0 ppb (22) | 0.2 ppb (2) | 14.0 μg/m3 (13) | 7.2 μg/m3 (30) | 30.0 | |
| Jan. 16, 2020, 5 p.m. | 10.7 ppb (10) | 4.9 ppb (5) | 13.8 ppb (13) | 6.0 ppb (6) | 8.1 ppb (8) | 0.0 ppb (0) | 25.0 ppb (19) | 0.21 ppb (2) | 19.0 μg/m3 (17) | 10.3 μg/m3 (43) | 43.0 | |
| Jan. 16, 2020, 4 p.m. | 17.3 ppb (16) | 7.3 ppb (7) | 21.6 ppb (20) | 10.0 ppb (9) | 12.7 ppb (12) | 0.0 ppb (0) | 17.0 ppb (13) | 0.27 ppb (3) | 22.0 μg/m3 (20) | 11.2 μg/m3 (47) | 47.0 | |
| Jan. 16, 2020, 3 p.m. | 20.3 ppb (19) | 7.3 ppb (7) | 29.7 ppb (28) | 13.0 ppb (12) | 18.2 ppb (17) | 0.0 ppb (0) | 8.0 ppb (6) | 0.33 ppb (4) | 30.0 μg/m3 (27) | 16.9 μg/m3 (60) | 60.0 | |
| Jan. 16, 2020, 2 p.m. | 17.5 ppb (16) | 5.0 ppb (5) | 18.9 ppb (18) | 13.0 ppb (12) | 15.5 ppb (14) | 0.0 ppb (0) | 10.0 ppb (8) | 0.28 ppb (3) | 26.0 μg/m3 (24) | 19.2 μg/m3 (65) | 65.0 | |
| Jan. 16, 2020, 1 p.m. | 17.2 ppb (16) | 5.4 ppb (5) | 25.3 ppb (23) | 12.0 ppb (11) | 16.2 ppb (15) | 0.0 ppb (0) | 15.0 ppb (12) | 0.23 ppb (3) | 21.0 μg/m3 (19) | 14.3 μg/m3 (55) | 55.0 | |
| Jan. 16, 2020, noon | N/A | N/A | 11.9 ppb (11) | N/A | 10.7 ppb (10) | 0.0 ppb (0) | N/A | 0.22 ppb (2) | 25.0 μg/m3 (23) | 18.0 μg/m3 (63) | 63.0 | |
| Jan. 16, 2020, 11 a.m. | 13.8 ppb (13) | 5.3 ppb (5) | 26.7 ppb (25) | 9.0 ppb (8) | 13.9 ppb (13) | 0.0 ppb (0) | 13.0 ppb (10) | 0.23 ppb (3) | 25.0 μg/m3 (23) | 20.8 μg/m3 (69) | 69.0 | |
| Jan. 16, 2020, 10 a.m. | 7.5 ppb (7) | 1.6 ppb (1) | 10.8 ppb (10) | 6.0 ppb (6) | 9.8 ppb (9) | 0.0 ppb (0) | 16.0 ppb (12) | 0.23 ppb (3) | 23.0 μg/m3 (21) | 16.4 μg/m3 (59) | 59.0 | |
| Jan. 16, 2020, 9 a.m. | 18.6 ppb (17) | 7.0 ppb (6) | 18.7 ppb (17) | 11.0 ppb (10) | 13.0 ppb (12) | 0.0 ppb (0) | 12.0 ppb (9) | 0.25 ppb (3) | 28.0 μg/m3 (25) | 20.3 μg/m3 (68) | 68.0 | |
| Jan. 16, 2020, 8 a.m. | 11.8 ppb (11) | 3.1 ppb (3) | 14.2 ppb (13) | 9.0 ppb (8) | 11.9 ppb (11) | 0.0 ppb (0) | 13.0 ppb (10) | 0.26 ppb (3) | 29.0 μg/m3 (26) | 26.7 μg/m3 (81) | 81.0 | |
| Jan. 16, 2020, 7 a.m. | 22.0 ppb (20) | 6.8 ppb (6) | 20.6 ppb (19) | 15.0 ppb (14) | 18.7 ppb (17) | 0.0 ppb (0) | 9.0 ppb (7) | 0.35 ppb (4) | 28.0 μg/m3 (25) | 22.8 μg/m3 (73) | 73.0 | |
| Jan. 16, 2020, 6 a.m. | 24.7 ppb (23) | 6.8 ppb (6) | 24.5 ppb (23) | 18.0 ppb (17) | 21.2 ppb (20) | 0.0 ppb (0) | 7.0 ppb (5) | 0.39 ppb (4) | 35.0 μg/m3 (32) | 22.9 μg/m3 (73) | 73.0 | |
| Jan. 16, 2020, 5 a.m. | 50.1 ppb (46) | 20.8 ppb (19) | 52.0 ppb (48) | 29.0 ppb (27) | 30.9 ppb (29) | 0.0 ppb (0) | 2.0 ppb (2) | 0.74 ppb (8) | 44.0 μg/m3 (40) | 26.9 μg/m3 (82) | 82.0 | |
| Jan. 16, 2020, 4 a.m. | 82.9 ppb (81) | 50.8 ppb (47) | 82.4 ppb (80) | 32.0 ppb (30) | 32.8 ppb (30) | 0.0 ppb (0) | 1.0 ppb (1) | 1.07 ppb (12) | 117.0 μg/m3 (81) | 25.0 μg/m3 (78) | 81.0 | |
| Jan. 16, 2020, 3 a.m. | 72.6 ppb (70) | 40.2 ppb (37) | 75.3 ppb (73) | 32.0 ppb (30) | 33.8 ppb (31) | 0.0 ppb (0) | 1.0 ppb (1) | 0.98 ppb (11) | 59.0 μg/m3 (52) | 26.2 μg/m3 (80) | 80.0 | |
| Jan. 16, 2020, 2 a.m. | 46.5 ppb (43) | 15.0 ppb (14) | 47.9 ppb (44) | 31.0 ppb (29) | 33.2 ppb (31) | 0.0 ppb (0) | 2.0 ppb (2) | 0.68 ppb (8) | 44.0 μg/m3 (40) | 17.7 μg/m3 (62) | 62.0 | |
| Jan. 16, 2020, 1 a.m. | 23.4 ppb (22) | 2.2 ppb (2) | 27.4 ppb (25) | 21.0 ppb (19) | 25.2 ppb (23) | 0.0 ppb (0) | 12.0 ppb (9) | 0.46 ppb (5) | 32.0 μg/m3 (29) | 9.8 μg/m3 (41) | 41.0 | |
| Jan. 16, 2020, midnight | 16.0 ppb (15) | 4.7 ppb (4) | 19.9 ppb (18) | 11.0 ppb (10) | 13.1 ppb (12) | 0.0 ppb (0) | 23.0 ppb (18) | 0.28 ppb (3) | 17.0 μg/m3 (15) | 8.3 μg/m3 (35) | 35.0 | |
| Jan. 15, 2020, 11 p.m. | 8.5 ppb (8) | 2.2 ppb (2) | 9.4 ppb (9) | 6.0 ppb (6) | 8.1 ppb (8) | 0.0 ppb (0) | 28.0 ppb (22) | 0.23 ppb (3) | 20.0 μg/m3 (18) | 8.5 μg/m3 (35) | 35.0 | |
| Jan. 15, 2020, 10 p.m. | 9.9 ppb (9) | 3.5 ppb (3) | 12.7 ppb (12) | 6.0 ppb (6) | 8.5 ppb (8) | 0.0 ppb (0) | 29.0 ppb (22) | 0.23 ppb (3) | 14.0 μg/m3 (13) | 10.7 μg/m3 (45) | 45.0 | |
| Jan. 15, 2020, 9 p.m. | 8.5 ppb (8) | 2.9 ppb (3) | 9.5 ppb (9) | 6.0 ppb (6) | 7.1 ppb (7) | 0.0 ppb (0) | 29.0 ppb (22) | 0.26 ppb (3) | 10.0 μg/m3 (9) | 10.9 μg/m3 (45) | 45.0 | |
| Jan. 15, 2020, 8 p.m. | 10.7 ppb (10) | 4.2 ppb (4) | 12.3 ppb (11) | 6.0 ppb (6) | 8.5 ppb (8) | 0.0 ppb (0) | 26.0 ppb (20) | 0.31 ppb (3) | 18.0 μg/m3 (16) | 11.4 μg/m3 (48) | 48.0 | |
| Jan. 15, 2020, 7 p.m. | 15.1 ppb (14) | 6.2 ppb (6) | 18.1 ppb (17) | 9.0 ppb (8) | 11.8 ppb (11) | 0.0 ppb (0) | 21.0 ppb (16) | 0.41 ppb (5) | 26.0 μg/m3 (24) | 15.2 μg/m3 (57) | 57.0 | |
| Jan. 15, 2020, 6 p.m. | 21.6 ppb (20) | 9.8 ppb (9) | 22.6 ppb (21) | 12.0 ppb (11) | 13.7 ppb (13) | 0.0 ppb (0) | 15.0 ppb (12) | 0.38 ppb (4) | 26.0 μg/m3 (24) | 20.3 μg/m3 (68) | 68.0 | |
| Jan. 15, 2020, 5 p.m. | 43.9 ppb (41) | 24.6 ppb (23) | 41.4 ppb (38) | 19.0 ppb (18) | 18.1 ppb (17) | 0.0 ppb (0) | 7.0 ppb (5) | 0.58 ppb (6) | 25.0 μg/m3 (23) | 16.8 μg/m3 (60) | 60.0 | |
| Jan. 15, 2020, 4 p.m. | 59.1 ppb (55) | 41.4 ppb (38) | 59.7 ppb (56) | 18.0 ppb (17) | 18.0 ppb (17) | 0.0 ppb (0) | 2.0 ppb (2) | 0.76 ppb (8) | 23.0 μg/m3 (21) | 10.1 μg/m3 (42) | 56.0 | |
| Jan. 15, 2020, 3 p.m. | 92.1 ppb (91) | 74.8 ppb (72) | 93.4 ppb (92) | 17.0 ppb (16) | 17.6 ppb (16) | 0.0 ppb (0) | 0.0 ppb (0) | 0.91 ppb (10) | 23.0 μg/m3 (21) | 11.0 μg/m3 (46) | 92.0 | |
| Jan. 15, 2020, 2 p.m. | 74.4 ppb (72) | 58.8 ppb (55) | 75.2 ppb (73) | 16.0 ppb (15) | 16.3 ppb (15) | 0.0 ppb (0) | 0.0 ppb (0) | 0.77 ppb (9) | 21.0 μg/m3 (19) | 11.4 μg/m3 (48) | 73.0 | |
| Jan. 15, 2020, 1 p.m. | 57.3 ppb (54) | 42.4 ppb (39) | 54.9 ppb (51) | 15.0 ppb (14) | 15.5 ppb (14) | 0.0 ppb (0) | 0.0 ppb (0) | 0.5 ppb (6) | 22.0 μg/m3 (20) | 9.4 μg/m3 (39) | 54.0 |