Modesto CA, US: 37.6583, -120.9936
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov. 18, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.34 ppb (4) | 69.0 μg/m3 (57) | 38.0 μg/m3 (106) | 106.0 | |
| Nov. 18, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | 0.54 ppb (6) | 74.0 μg/m3 (60) | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 18, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | 0.62 ppb (7) | 73.0 μg/m3 (59) | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 18, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.92 ppb (10) | 99.0 μg/m3 (72) | 51.0 μg/m3 (139) | 139.0 | |
| Nov. 18, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.18 ppb (13) | 140.0 μg/m3 (92) | 75.0 μg/m3 (160) | 160.0 | |
| Nov. 18, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.97 ppb (11) | 107.0 μg/m3 (76) | 38.0 μg/m3 (106) | 106.0 | |
| Nov. 18, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.64 ppb (7) | 61.0 μg/m3 (53) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 18, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | 0.48 ppb (5) | 59.0 μg/m3 (52) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 18, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | 0.29 ppb (3) | 50.0 μg/m3 (45) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 17, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | 0.26 ppb (3) | 59.0 μg/m3 (52) | 18.0 μg/m3 (63) | 63.0 | |
| Nov. 17, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | 0.26 ppb (3) | 46.0 μg/m3 (42) | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 17, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (42) | 0.25 ppb (3) | 43.0 μg/m3 (39) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 17, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 50.0 ppb (38) | 0.27 ppb (3) | 53.0 μg/m3 (48) | 16.0 μg/m3 (59) | 59.0 | |
| Nov. 17, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | 0.29 ppb (3) | 54.0 μg/m3 (49) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 17, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | 0.31 ppb (3) | 59.0 μg/m3 (52) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 17, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.3 ppb (3) | 49.0 μg/m3 (45) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 17, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.32 ppb (4) | 41.0 μg/m3 (37) | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 17, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | 0.4 ppb (4) | 38.0 μg/m3 (35) | 18.0 μg/m3 (63) | 63.0 | |
| Nov. 17, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 5.0 ppb (4) | 0.39 ppb (4) | 33.0 μg/m3 (30) | 14.0 μg/m3 (54) | 54.0 | |
| Nov. 17, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.33 ppb (4) | 34.0 μg/m3 (31) | 19.0 μg/m3 (65) | 65.0 | |
| Nov. 17, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 μg/m3 (32) | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 17, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (10) | N/A | 45.0 μg/m3 (41) | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 17, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | 0.32 ppb (4) | 46.0 μg/m3 (42) | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 17, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | 0.38 ppb (4) | 48.0 μg/m3 (44) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 17, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | 0.57 ppb (6) | 52.0 μg/m3 (47) | 31.0 μg/m3 (90) | 90.0 | |
| Nov. 17, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.57 ppb (6) | 57.0 μg/m3 (51) | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 17, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | 0.81 ppb (9) | 70.0 μg/m3 (58) | 40.0 μg/m3 (111) | 111.0 | |
| Nov. 17, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.09 ppb (12) | 72.0 μg/m3 (58) | 39.0 μg/m3 (109) | 109.0 | |
| Nov. 17, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.3 ppb (14) | 76.0 μg/m3 (60) | 39.0 μg/m3 (109) | 109.0 | |
| Nov. 17, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.14 ppb (13) | 66.0 μg/m3 (56) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 17, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.93 ppb (10) | 64.0 μg/m3 (54) | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 17, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | 0.55 ppb (6) | 43.0 μg/m3 (39) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 17, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | 0.3 ppb (3) | 35.0 μg/m3 (32) | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 16, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | 0.22 ppb (2) | 29.0 μg/m3 (26) | 10.0 μg/m3 (42) | 42.0 | |
| Nov. 16, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 45.0 ppb (35) | 0.23 ppb (3) | 36.0 μg/m3 (33) | 10.0 μg/m3 (42) | 42.0 | |
| Nov. 16, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | 0.22 ppb (2) | 37.0 μg/m3 (34) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 16, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | 0.25 ppb (3) | 42.0 μg/m3 (38) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 16, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | 0.31 ppb (3) | 52.0 μg/m3 (47) | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 16, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | 0.41 ppb (5) | 61.0 μg/m3 (53) | 29.0 μg/m3 (86) | 86.0 | |
| Nov. 16, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | 0.44 ppb (5) | 63.0 μg/m3 (54) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 16, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | 0.43 ppb (5) | 58.0 μg/m3 (52) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 16, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.48 ppb (5) | 57.0 μg/m3 (51) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 16, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.54 ppb (6) | 54.0 μg/m3 (49) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 16, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.53 ppb (6) | 46.0 μg/m3 (42) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 16, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 37.0 μg/m3 (34) | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 16, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 32.0 μg/m3 (29) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 16, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.52 ppb (6) | 32.0 μg/m3 (29) | 12.0 μg/m3 (50) | 50.0 | |
| Nov. 16, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.49 ppb (5) | 25.0 μg/m3 (23) | 14.0 μg/m3 (54) | 54.0 | |
| Nov. 16, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | 0.42 ppb (5) | 31.0 μg/m3 (28) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 16, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | 0.48 ppb (5) | 42.0 μg/m3 (38) | 12.0 μg/m3 (50) | 50.0 | |
| Nov. 16, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.41 ppb (5) | 37.0 μg/m3 (34) | 13.0 μg/m3 (52) | 52.0 | |
| Nov. 16, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | 0.34 ppb (4) | 35.0 μg/m3 (32) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 16, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | 0.34 ppb (4) | 39.0 μg/m3 (35) | 7.0 μg/m3 (29) | 35.0 | |
| Nov. 16, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | 0.3 ppb (3) | 48.0 μg/m3 (44) | 7.0 μg/m3 (29) | 44.0 | |
| Nov. 16, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.38 ppb (4) | 47.0 μg/m3 (43) | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 16, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | 0.37 ppb (4) | 44.0 μg/m3 (40) | 4.0 μg/m3 (17) | 40.0 | |
| Nov. 16, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | 0.26 ppb (3) | 38.0 μg/m3 (35) | 7.0 μg/m3 (29) | 35.0 | |
| Nov. 15, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 ppb (29) | 0.24 ppb (3) | 44.0 μg/m3 (40) | 12.0 μg/m3 (50) | 50.0 | |
| Nov. 15, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | 0.19 ppb (2) | 37.0 μg/m3 (34) | 2.0 μg/m3 (8) | 34.0 | |
| Nov. 15, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | 0.18 ppb (2) | 32.0 μg/m3 (29) | 3.0 μg/m3 (12) | 29.0 | |
| Nov. 15, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | 0.18 ppb (2) | 33.0 μg/m3 (30) | 5.0 μg/m3 (21) | 30.0 | |
| Nov. 15, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | 0.18 ppb (2) | 25.0 μg/m3 (23) | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 15, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | 0.17 ppb (2) | 18.0 μg/m3 (16) | 3.0 μg/m3 (12) | 22.0 | |
| Nov. 15, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (18) | 0.17 ppb (2) | 12.0 μg/m3 (11) | 2.0 μg/m3 (8) | 18.0 | |
| Nov. 15, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.23 ppb (3) | 21.0 μg/m3 (19) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | 0.23 ppb (3) | 26.0 μg/m3 (24) | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 15, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.18 ppb (2) | 4.0 μg/m3 (4) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | 0.13 ppb (1) | 6.0 μg/m3 (5) | 2.0 μg/m3 (8) | 17.0 | |
| Nov. 15, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 μg/m3 (9) | 1.0 μg/m3 (4) | 9.0 | |
| Nov. 15, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | N/A | 8.0 μg/m3 (7) | 3.0 μg/m3 (12) | 18.0 | |
| Nov. 15, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | 0.14 ppb (2) | 8.0 μg/m3 (7) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | 0.15 ppb (2) | 13.0 μg/m3 (12) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | 0.16 ppb (2) | 18.0 μg/m3 (16) | 8.0 μg/m3 (33) | 33.0 | |
| Nov. 15, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (17) | 0.17 ppb (2) | 22.0 μg/m3 (20) | 10.0 μg/m3 (42) | 42.0 | |
| Nov. 15, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.2 ppb (2) | 24.0 μg/m3 (22) | 6.0 μg/m3 (25) | 25.0 | |
| Nov. 15, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (16) | 0.21 ppb (2) | 12.0 μg/m3 (11) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.22 ppb (2) | 23.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | 0.22 ppb (2) | 29.0 μg/m3 (26) | 7.0 μg/m3 (29) | 29.0 | |
| Nov. 15, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | 0.22 ppb (2) | 23.0 μg/m3 (21) | 5.0 μg/m3 (21) | 21.0 | |
| Nov. 15, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | 0.21 ppb (2) | 30.0 μg/m3 (27) | 6.0 μg/m3 (25) | 27.0 | |
| Nov. 15, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (25) | 0.2 ppb (2) | N/A | N/A | 25.0 | |
| Nov. 14, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 42.0 ppb (32) | 0.22 ppb (2) | 42.0 μg/m3 (38) | 8.0 μg/m3 (33) | 38.0 | |
| Nov. 14, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | 0.24 ppb (3) | 41.0 μg/m3 (37) | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 14, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | 0.24 ppb (3) | 46.0 μg/m3 (42) | 12.0 μg/m3 (50) | 50.0 | |
| Nov. 14, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 43.0 ppb (33) | 0.23 ppb (3) | 36.0 μg/m3 (33) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 14, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 35.0 ppb (27) | 0.25 ppb (3) | 49.0 μg/m3 (45) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 14, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 31.0 ppb (24) | 0.25 ppb (3) | 53.0 μg/m3 (48) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 14, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | 0.25 ppb (3) | 39.0 μg/m3 (35) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 14, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (18) | 0.25 ppb (3) | 37.0 μg/m3 (34) | 11.0 μg/m3 (46) | 46.0 | |
| Nov. 14, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.26 ppb (3) | 45.0 μg/m3 (41) | 14.0 μg/m3 (54) | 54.0 | |
| Nov. 14, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.24 ppb (3) | 26.0 μg/m3 (24) | 10.0 μg/m3 (42) | 42.0 | |
| Nov. 14, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | 0.22 ppb (2) | 29.0 μg/m3 (26) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 14, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 38.0 μg/m3 (35) | 19.0 μg/m3 (65) | 65.0 | |
| Nov. 14, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | N/A | 42.0 μg/m3 (38) | 19.0 μg/m3 (65) | 65.0 | |
| Nov. 14, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.3 ppb (3) | 49.0 μg/m3 (45) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 14, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.29 ppb (3) | 47.0 μg/m3 (43) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 14, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (11) | 0.41 ppb (5) | 77.0 μg/m3 (61) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 14, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (7) | 0.59 ppb (7) | 94.0 μg/m3 (70) | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 14, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | 0.59 ppb (7) | 92.0 μg/m3 (68) | 36.0 μg/m3 (101) | 101.0 | |
| Nov. 14, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.61 ppb (7) | 93.0 μg/m3 (69) | 32.0 μg/m3 (93) | 93.0 | |
| Nov. 14, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (14) | 0.59 ppb (7) | 95.0 μg/m3 (70) | 32.0 μg/m3 (93) | 93.0 | |
| Nov. 14, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 33.0 ppb (25) | 0.48 ppb (5) | 103.0 μg/m3 (74) | 35.0 μg/m3 (99) | 99.0 | |
| Nov. 14, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | 0.89 ppb (10) | 95.0 μg/m3 (70) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 14, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | 0.83 ppb (9) | 94.0 μg/m3 (70) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 14, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 49.0 ppb (38) | 0.48 ppb (5) | 82.0 μg/m3 (64) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 13, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 59.0 ppb (45) | 0.39 ppb (4) | 84.0 μg/m3 (64) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 13, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | 0.37 ppb (4) | 82.0 μg/m3 (64) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 13, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 58.0 ppb (45) | 0.37 ppb (4) | 79.0 μg/m3 (62) | 25.0 μg/m3 (78) | 78.0 | |
| Nov. 13, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | 0.37 ppb (4) | 79.0 μg/m3 (62) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 13, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 34.0 ppb (26) | 0.44 ppb (5) | 114.0 μg/m3 (80) | 38.0 μg/m3 (106) | 106.0 | |
| Nov. 13, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.6 ppb (7) | 150.0 μg/m3 (98) | 52.0 μg/m3 (141) | 141.0 | |
| Nov. 13, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (8) | 0.59 ppb (7) | 133.0 μg/m3 (89) | 45.0 μg/m3 (124) | 124.0 | |
| Nov. 13, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | 0.65 ppb (7) | 124.0 μg/m3 (84) | 43.0 μg/m3 (119) | 119.0 | |
| Nov. 13, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | 0.74 ppb (8) | 97.0 μg/m3 (71) | 32.0 μg/m3 (93) | 93.0 | |
| Nov. 13, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 1.0 ppb (1) | 0.71 ppb (8) | 88.0 μg/m3 (66) | 35.0 μg/m3 (99) | 99.0 | |
| Nov. 13, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.54 ppb (6) | 78.0 μg/m3 (62) | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 13, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 82.0 μg/m3 (64) | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 13, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | N/A | 74.0 μg/m3 (60) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 13, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.6 ppb (7) | 71.0 μg/m3 (58) | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 13, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | 0.54 ppb (6) | 77.0 μg/m3 (61) | 31.0 μg/m3 (90) | 90.0 | |
| Nov. 13, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.5 ppb (6) | 73.0 μg/m3 (59) | 29.0 μg/m3 (86) | 86.0 | |
| Nov. 13, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (13) | 0.46 ppb (5) | 91.0 μg/m3 (68) | 29.0 μg/m3 (86) | 86.0 | |
| Nov. 13, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | 0.49 ppb (5) | 94.0 μg/m3 (70) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 13, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | 0.45 ppb (5) | 110.0 μg/m3 (78) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 13, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (20) | 0.44 ppb (5) | 121.0 μg/m3 (83) | 29.0 μg/m3 (86) | 86.0 | |
| Nov. 13, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (23) | 0.43 ppb (5) | 129.0 μg/m3 (87) | 29.0 μg/m3 (86) | 87.0 | |
| Nov. 13, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | 0.47 ppb (5) | 123.0 μg/m3 (84) | 30.0 μg/m3 (88) | 88.0 | |
| Nov. 13, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | 0.52 ppb (6) | 126.0 μg/m3 (86) | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 13, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 48.0 ppb (37) | 0.46 ppb (5) | 94.0 μg/m3 (70) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 12, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 60.0 ppb (46) | 0.33 ppb (4) | 90.0 μg/m3 (68) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 12, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | 0.32 ppb (4) | 90.0 μg/m3 (68) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 12, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | 0.31 ppb (3) | 81.0 μg/m3 (63) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 12, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 56.0 ppb (43) | 0.33 ppb (4) | 91.0 μg/m3 (68) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 12, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 44.0 ppb (34) | 0.36 ppb (4) | 99.0 μg/m3 (72) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 12, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 36.0 ppb (28) | 0.33 ppb (4) | 96.0 μg/m3 (70) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 12, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | 0.45 ppb (5) | 112.0 μg/m3 (78) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 12, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (15) | 0.54 ppb (6) | 99.0 μg/m3 (72) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 12, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.49 ppb (5) | 97.0 μg/m3 (71) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 12, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 8.0 ppb (6) | 0.44 ppb (5) | 76.0 μg/m3 (60) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 12, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | 0.42 ppb (5) | 74.0 μg/m3 (60) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 12, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 71.0 μg/m3 (58) | 24.0 μg/m3 (76) | 76.0 | |
| Nov. 12, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (12) | N/A | 81.0 μg/m3 (63) | 32.0 μg/m3 (93) | 93.0 | |
| Nov. 12, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (12) | 0.38 ppb (4) | 84.0 μg/m3 (64) | 34.0 μg/m3 (97) | 97.0 | |
| Nov. 12, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 11.0 ppb (8) | 0.5 ppb (6) | 91.0 μg/m3 (68) | 37.0 μg/m3 (104) | 104.0 | |
| Nov. 12, 2019, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | 0.71 ppb (8) | 98.0 μg/m3 (72) | 38.0 μg/m3 (106) | 106.0 | |
| Nov. 12, 2019, 7 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | 0.8 ppb (9) | 88.0 μg/m3 (66) | 35.0 μg/m3 (99) | 99.0 | |
| Nov. 12, 2019, 6 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.08 ppb (12) | 98.0 μg/m3 (72) | 33.0 μg/m3 (95) | 95.0 | |
| Nov. 12, 2019, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.21 ppb (13) | 79.0 μg/m3 (62) | 31.0 μg/m3 (90) | 90.0 | |
| Nov. 12, 2019, 4 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.42 ppb (16) | 80.0 μg/m3 (62) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 12, 2019, 3 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | 1.38 ppb (15) | 85.0 μg/m3 (65) | 28.0 μg/m3 (84) | 84.0 | |
| Nov. 12, 2019, 2 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 1.3 ppb (14) | 89.0 μg/m3 (67) | 25.0 μg/m3 (78) | 78.0 | |
| Nov. 12, 2019, 1 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (9) | 0.93 ppb (10) | 72.0 μg/m3 (58) | 19.0 μg/m3 (65) | 65.0 | |
| Nov. 12, 2019, midnight | N/A | N/A | N/A | N/A | N/A | N/A | 53.0 ppb (41) | 0.36 ppb (4) | 51.0 μg/m3 (46) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 11, 2019, 11 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | 0.28 ppb (3) | 48.0 μg/m3 (44) | 15.0 μg/m3 (56) | 56.0 | |
| Nov. 11, 2019, 10 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 65.0 ppb (50) | 0.28 ppb (3) | 59.0 μg/m3 (52) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 11, 2019, 9 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 62.0 ppb (48) | 0.29 ppb (3) | 57.0 μg/m3 (51) | 16.0 μg/m3 (59) | 59.0 | |
| Nov. 11, 2019, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 57.0 ppb (44) | 0.32 ppb (4) | 70.0 μg/m3 (58) | 22.0 μg/m3 (71) | 71.0 | |
| Nov. 11, 2019, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 46.0 ppb (35) | 0.37 ppb (4) | 86.0 μg/m3 (66) | 27.0 μg/m3 (82) | 82.0 | |
| Nov. 11, 2019, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | 0.49 ppb (5) | 82.0 μg/m3 (64) | 29.0 μg/m3 (86) | 86.0 | |
| Nov. 11, 2019, 5 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 27.0 ppb (21) | 0.41 ppb (5) | 59.0 μg/m3 (52) | 21.0 μg/m3 (69) | 69.0 | |
| Nov. 11, 2019, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (15) | 0.43 ppb (5) | 55.0 μg/m3 (50) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 11, 2019, 3 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 4.0 ppb (3) | 0.62 ppb (7) | 64.0 μg/m3 (54) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 11, 2019, 2 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (2) | 0.5 ppb (6) | 54.0 μg/m3 (49) | 17.0 μg/m3 (61) | 61.0 | |
| Nov. 11, 2019, 1 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 6.0 ppb (5) | 0.5 ppb (6) | 41.0 μg/m3 (37) | 20.0 μg/m3 (67) | 67.0 | |
| Nov. 11, 2019, noon | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 μg/m3 (46) | 23.0 μg/m3 (73) | 73.0 | |
| Nov. 11, 2019, 11 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | N/A | 48.0 μg/m3 (44) | 18.0 μg/m3 (63) | 63.0 | |
| Nov. 11, 2019, 10 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 7.0 ppb (5) | 0.52 ppb (6) | 51.0 μg/m3 (46) | 26.0 μg/m3 (80) | 80.0 | |
| Nov. 11, 2019, 9 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (2) | 0.65 ppb (7) | 62.0 μg/m3 (54) | 28.0 μg/m3 (84) | 84.0 |