Mexico City (Avenida 553) MX, MX: 19.4525, -99.086
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 25, 2020, 8 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | 45.0 ppb (35) | 0.5 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 25, 2020, 7 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | N/A | 40.0 ppb (31) | 0.4 ppb (4) | N/A | N/A | 31.0 | |
| Sept. 25, 2020, 6 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 34.0 ppb (26) | 0.4 ppb (4) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 25, 2020, 5 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | 32.0 ppb (25) | 0.5 ppb (6) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 25, 2020, 4 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 31.0 ppb (24) | 0.5 ppb (6) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 25, 2020, 3 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | 20.0 ppb (15) | 0.6 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 25, 2020, 2 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 25.0 ppb (19) | 0.5 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 25, 2020, 1 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 26.0 ppb (20) | 0.5 ppb (6) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 25, 2020, midnight | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 26.0 ppb (20) | 0.6 ppb (7) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 24, 2020, 11 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 34.0 ppb (26) | 0.5 ppb (6) | N/A | 36.0 μg/m3 (101) | 101.0 | |
| Sept. 24, 2020, 10 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 68.0 ppb (52) | 0.6 ppb (7) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 24, 2020, 9 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 0.0 ppb (0) | 98.0 ppb (78) | 0.6 ppb (7) | N/A | 24.0 μg/m3 (76) | 78.0 | |
| Sept. 24, 2020, 8 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 88.0 ppb (69) | 0.7 ppb (8) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 24, 2020, 7 p.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 0.0 ppb (0) | 72.0 ppb (56) | 0.8 ppb (9) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 24, 2020, 6 p.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.8 ppb (9) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 24, 2020, 5 p.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 0.0 ppb (0) | 29.0 ppb (22) | 0.8 ppb (9) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 24, 2020, 4 p.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | N/A | 23.0 ppb (18) | 0.6 ppb (7) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 24, 2020, 3 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | N/A | 12.0 ppb (9) | 0.7 ppb (8) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 24, 2020, 2 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 8.0 ppb (6) | 0.6 ppb (7) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 24, 2020, 1 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | N/A | 6.0 ppb (5) | 0.5 ppb (6) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 24, 2020, noon | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 17.0 ppb (13) | 0.4 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 24, 2020, 11 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | N/A | 27.0 ppb (21) | 0.3 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 24, 2020, 10 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | 25.0 ppb (19) | 0.4 ppb (4) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 24, 2020, 9 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | 27.0 ppb (21) | 0.4 ppb (4) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 24, 2020, 8 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 31.0 ppb (24) | 0.4 ppb (4) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 24, 2020, 7 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | 23.0 ppb (18) | 0.5 ppb (6) | N/A | N/A | 23.0 | |
| Sept. 24, 2020, 6 a.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 44.0 ppb (34) | 0.3 ppb (3) | N/A | 7.0 μg/m3 (29) | 34.0 | |
| Sept. 24, 2020, 5 a.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | N/A | 43.0 ppb (33) | 0.3 ppb (3) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 24, 2020, 4 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | 38.0 ppb (29) | 0.4 ppb (4) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 24, 2020, 3 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 0.0 ppb (0) | 36.0 ppb (28) | 0.6 ppb (7) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 24, 2020, 2 a.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 42.0 ppb (32) | 0.7 ppb (8) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 24, 2020, 1 a.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | N/A | 50.0 ppb (38) | 0.7 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 24, 2020, midnight | N/A | N/A | N/A | 14.0 ppb (13) | N/A | N/A | 57.0 ppb (44) | 0.5 ppb (6) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 23, 2020, 11 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | 55.0 ppb (42) | 0.5 ppb (6) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 23, 2020, 10 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | N/A | 63.0 ppb (48) | 0.4 ppb (4) | N/A | 6.0 μg/m3 (25) | 48.0 | |
| Sept. 23, 2020, 9 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 66.0 ppb (51) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 51.0 | |
| Sept. 23, 2020, 8 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | N/A | 67.0 ppb (52) | 0.3 ppb (3) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 23, 2020, 7 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 66.0 ppb (51) | 0.4 ppb (4) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 23, 2020, 6 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 65.0 ppb (50) | 0.6 ppb (7) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 23, 2020, 5 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 0.0 ppb (0) | 45.0 ppb (35) | 0.7 ppb (8) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 23, 2020, 4 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | 26.0 ppb (20) | 0.6 ppb (7) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 23, 2020, 3 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 12.0 ppb (9) | 0.7 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 23, 2020, 2 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 5.0 ppb (4) | 0.8 ppb (9) | N/A | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 23, 2020, 1 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 3.0 ppb (2) | 0.6 ppb (7) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 23, 2020, noon | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 3.0 ppb (2) | 0.5 ppb (6) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 23, 2020, 11 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | 0.5 ppb (6) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 23, 2020, 10 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 4.0 ppb (3) | 0.4 ppb (4) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 23, 2020, 9 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | N/A | 11.0 ppb (8) | 0.4 ppb (4) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 23, 2020, 8 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | N/A | 23.0 ppb (18) | 0.4 ppb (4) | N/A | 22.0 μg/m3 (71) | 71.0 | |
| Sept. 23, 2020, 7 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | N/A | 19.0 ppb (15) | 0.4 ppb (4) | N/A | N/A | 15.0 | |
| Sept. 23, 2020, 6 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | N/A | 17.0 ppb (13) | 0.6 ppb (7) | N/A | 24.0 μg/m3 (76) | 76.0 | |
| Sept. 23, 2020, 5 a.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | N/A | 25.0 ppb (19) | 0.5 ppb (6) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 23, 2020, 4 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | 23.0 ppb (18) | 0.6 ppb (7) | N/A | 25.0 μg/m3 (78) | 78.0 | |
| Sept. 23, 2020, 3 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 25.0 ppb (19) | 0.5 ppb (6) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 23, 2020, 2 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 0.0 ppb (0) | 35.0 ppb (27) | 0.4 ppb (4) | N/A | 20.0 μg/m3 (67) | 67.0 | |
| Sept. 23, 2020, 1 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 0.0 ppb (0) | 43.0 ppb (33) | 0.4 ppb (4) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 23, 2020, midnight | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 0.0 ppb (0) | 49.0 ppb (38) | 0.3 ppb (3) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 22, 2020, 11 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 57.0 ppb (44) | 0.4 ppb (4) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 22, 2020, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 0.0 ppb (0) | 68.0 ppb (52) | 0.4 ppb (4) | N/A | 4.0 μg/m3 (17) | 52.0 | |
| Sept. 22, 2020, 9 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 74.0 ppb (57) | 0.4 ppb (4) | N/A | 8.0 μg/m3 (33) | 57.0 | |
| Sept. 22, 2020, 8 p.m. | N/A | N/A | N/A | 5.0 ppb (5) | N/A | 0.0 ppb (0) | 75.0 ppb (58) | 0.4 ppb (4) | N/A | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 22, 2020, 7 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 0.0 ppb (0) | 86.0 ppb (68) | 0.7 ppb (8) | N/A | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 22, 2020, 6 p.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 0.0 ppb (0) | 63.0 ppb (48) | 0.9 ppb (10) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 22, 2020, 5 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | 39.0 ppb (30) | 0.8 ppb (9) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 22, 2020, 4 p.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | N/A | 23.0 ppb (18) | 0.7 ppb (8) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 22, 2020, 3 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | N/A | 5.0 ppb (4) | 1.0 ppb (11) | N/A | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 22, 2020, 2 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 4.0 ppb (3) | 0.7 ppb (8) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 22, 2020, 1 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | N/A | 3.0 ppb (2) | 0.8 ppb (9) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 22, 2020, noon | N/A | N/A | N/A | 21.0 ppb (19) | N/A | N/A | 3.0 ppb (2) | 0.6 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 22, 2020, 11 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | N/A | 11.0 ppb (8) | 0.4 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 22, 2020, 10 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | N/A | 16.0 ppb (12) | 0.4 ppb (4) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 22, 2020, 9 a.m. | N/A | N/A | N/A | 38.0 ppb (35) | N/A | 55.0 ppb (59) | N/A | 9.5 ppb (100) | N/A | 24.0 μg/m3 (76) | 100.0 | |
| Sept. 22, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 22, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | -1.0 ppb (0) | N/A | 0.1 ppb (1) | N/A | N/A | 1.0 | |
| Sept. 22, 2020, 6 a.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | -1.0 ppb (0) | 3.0 ppb (2) | 0.8 ppb (9) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 22, 2020, 5 a.m. | N/A | N/A | N/A | 41.0 ppb (38) | N/A | N/A | 4.0 ppb (3) | 0.9 ppb (10) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 22, 2020, 4 a.m. | N/A | N/A | N/A | 44.0 ppb (41) | N/A | N/A | 9.0 ppb (7) | 0.8 ppb (9) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 22, 2020, 3 a.m. | N/A | N/A | N/A | 42.0 ppb (39) | N/A | N/A | 5.0 ppb (4) | 0.9 ppb (10) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 22, 2020, 2 a.m. | N/A | N/A | N/A | 37.0 ppb (34) | N/A | N/A | 13.0 ppb (10) | 0.8 ppb (9) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 22, 2020, 1 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | N/A | 24.0 ppb (18) | 0.7 ppb (8) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 22, 2020, midnight | N/A | N/A | N/A | 23.0 ppb (21) | N/A | N/A | 22.0 ppb (17) | 0.6 ppb (7) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 21, 2020, 11 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | N/A | 37.0 ppb (28) | 0.5 ppb (6) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 21, 2020, 10 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 0.0 ppb (0) | 51.0 ppb (39) | 0.6 ppb (7) | N/A | 34.0 μg/m3 (97) | 97.0 | |
| Sept. 21, 2020, 9 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 0.0 ppb (0) | 70.0 ppb (54) | 0.6 ppb (7) | N/A | 29.0 μg/m3 (86) | 86.0 | |
| Sept. 21, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 21, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 21, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
| Sept. 21, 2020, 5 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 6.0 ppb (9) | 32.0 ppb (25) | 0.6 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 21, 2020, 4 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 8.0 ppb (11) | 27.0 ppb (21) | 0.5 ppb (6) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 21, 2020, 3 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 15.0 ppb (21) | 16.0 ppb (12) | 0.6 ppb (7) | N/A | 36.0 μg/m3 (101) | 101.0 | |
| Sept. 21, 2020, 2 p.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 12.0 ppb (17) | 5.0 ppb (4) | 1.1 ppb (12) | N/A | 28.0 μg/m3 (84) | 84.0 | |
| Sept. 21, 2020, 1 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | 2.0 ppb (3) | 3.0 ppb (2) | 0.7 ppb (8) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 21, 2020, noon | N/A | N/A | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 4.0 ppb (3) | 0.5 ppb (6) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 21, 2020, 11 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.3 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 21, 2020, 10 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 13.0 ppb (10) | 0.3 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 21, 2020, 9 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.3 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 21, 2020, 8 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.3 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 21, 2020, 7 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 21, 2020, 6 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.3 ppb (3) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 21, 2020, 5 a.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.5 ppb (6) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 21, 2020, 4 a.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.5 ppb (6) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 21, 2020, 3 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.5 ppb (6) | N/A | 18.0 μg/m3 (63) | 63.0 | |
| Sept. 21, 2020, 2 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.6 ppb (7) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 21, 2020, 1 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | 26.0 ppb (20) | 0.6 ppb (7) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 21, 2020, midnight | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 32.0 ppb (25) | 0.4 ppb (4) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 20, 2020, 11 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 2.0 ppb (3) | 53.0 ppb (41) | 0.2 ppb (2) | N/A | 13.0 μg/m3 (52) | 52.0 | |
| Sept. 20, 2020, 10 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 4.0 ppb (6) | 92.0 ppb (72) | 0.3 ppb (3) | N/A | 19.0 μg/m3 (65) | 72.0 | |
| Sept. 20, 2020, 9 p.m. | N/A | N/A | N/A | 4.0 ppb (4) | N/A | 4.0 ppb (6) | 88.0 ppb (69) | 0.3 ppb (3) | N/A | 15.0 μg/m3 (56) | 69.0 | |
| Sept. 20, 2020, 8 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | 6.0 ppb (9) | 99.0 ppb (78) | 0.4 ppb (4) | N/A | 23.0 μg/m3 (73) | 78.0 | |
| Sept. 20, 2020, 7 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 6.0 ppb (9) | 80.0 ppb (62) | 0.5 ppb (6) | N/A | 15.0 μg/m3 (56) | 62.0 | |
| Sept. 20, 2020, 6 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 7.0 ppb (10) | 57.0 ppb (44) | 0.5 ppb (6) | N/A | 2.0 μg/m3 (8) | 44.0 | |
| Sept. 20, 2020, 5 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 8.0 ppb (11) | 38.0 ppb (29) | 0.3 ppb (3) | N/A | 4.0 μg/m3 (17) | 29.0 | |
| Sept. 20, 2020, 4 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 13.0 ppb (19) | 25.0 ppb (19) | 0.3 ppb (3) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 3 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 13.0 ppb (19) | 10.0 ppb (8) | 0.6 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 20, 2020, 2 p.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 5.0 ppb (7) | 6.0 ppb (5) | 0.6 ppb (7) | N/A | 14.0 μg/m3 (54) | 54.0 | |
| Sept. 20, 2020, 1 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 2.0 ppb (3) | 7.0 ppb (5) | 0.4 ppb (4) | N/A | 17.0 μg/m3 (61) | 61.0 | |
| Sept. 20, 2020, noon | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.2 ppb (2) | N/A | 21.0 μg/m3 (69) | 69.0 | |
| Sept. 20, 2020, 11 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.2 ppb (2) | N/A | 23.0 μg/m3 (73) | 73.0 | |
| Sept. 20, 2020, 10 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 12.0 ppb (9) | 0.3 ppb (3) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 20, 2020, 9 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.3 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 20, 2020, 8 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.3 ppb (3) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 20, 2020, 7 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.3 ppb (3) | N/A | N/A | 16.0 | |
| Sept. 20, 2020, 6 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.3 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 20, 2020, 5 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.3 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 20, 2020, 4 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 20, 2020, 3 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 20, 2020, 2 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.3 ppb (3) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 20, 2020, 1 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.3 ppb (3) | N/A | 4.0 μg/m3 (17) | 21.0 | |
| Sept. 20, 2020, midnight | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 28.0 ppb (22) | 0.3 ppb (3) | N/A | 3.0 μg/m3 (12) | 22.0 | |
| Sept. 19, 2020, 11 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.3 ppb (3) | N/A | 2.0 μg/m3 (8) | 24.0 | |
| Sept. 19, 2020, 10 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 33.0 ppb (25) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 19, 2020, 9 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.4 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 19, 2020, 8 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 29.0 ppb (22) | 0.4 ppb (4) | N/A | 10.0 μg/m3 (42) | 42.0 | |
| Sept. 19, 2020, 7 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 34.0 ppb (26) | 0.3 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 19, 2020, 6 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 3.0 ppb (4) | 35.0 ppb (27) | 0.4 ppb (4) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 19, 2020, 5 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 3.0 ppb (4) | 29.0 ppb (22) | 0.4 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 19, 2020, 4 p.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 2.0 ppb (3) | 19.0 ppb (15) | 0.5 ppb (6) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 3 p.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.6 ppb (7) | N/A | 15.0 μg/m3 (56) | 56.0 | |
| Sept. 19, 2020, 2 p.m. | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.7 ppb (8) | N/A | 16.0 μg/m3 (59) | 59.0 | |
| Sept. 19, 2020, 1 p.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 1.0 ppb (1) | 3.0 ppb (2) | 0.6 ppb (7) | N/A | 12.0 μg/m3 (50) | 50.0 | |
| Sept. 19, 2020, noon | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 1.0 ppb (1) | 6.0 ppb (5) | 0.4 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 19, 2020, 11 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 11.0 ppb (8) | 0.3 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 19, 2020, 10 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 1.0 ppb (1) | 9.0 ppb (7) | 0.3 ppb (3) | N/A | 2.0 μg/m3 (8) | 20.0 | |
| Sept. 19, 2020, 9 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 19, 2020, 8 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 0.0 ppb (0) | 20.0 ppb (15) | 0.3 ppb (3) | N/A | 2.0 μg/m3 (8) | 15.0 | |
| Sept. 19, 2020, 7 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.3 ppb (3) | N/A | N/A | 18.0 | |
| Sept. 19, 2020, 6 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.3 ppb (3) | N/A | 6.0 μg/m3 (25) | 25.0 | |
| Sept. 19, 2020, 5 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 24.0 ppb (18) | 0.3 ppb (3) | N/A | 8.0 μg/m3 (33) | 33.0 | |
| Sept. 19, 2020, 4 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.3 ppb (3) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 19, 2020, 3 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 20.0 ppb (15) | 0.4 ppb (4) | N/A | 3.0 μg/m3 (12) | 15.0 | |
| Sept. 19, 2020, 2 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.4 ppb (4) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 19, 2020, 1 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 21.0 ppb (16) | 0.4 ppb (4) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 19, 2020, midnight | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.4 ppb (4) | N/A | 11.0 μg/m3 (46) | 46.0 | |
| Sept. 18, 2020, 11 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 25.0 ppb (19) | 0.4 ppb (4) | N/A | 19.0 μg/m3 (65) | 65.0 | |
| Sept. 18, 2020, 10 p.m. | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 1.0 ppb (1) | 17.0 ppb (13) | 0.9 ppb (10) | N/A | 6.0 μg/m3 (25) | 30.0 | |
| Sept. 18, 2020, 9 p.m. | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 1.0 ppb (1) | 35.0 ppb (27) | 0.4 ppb (4) | N/A | 4.0 μg/m3 (17) | 27.0 | |
| Sept. 18, 2020, 8 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 44.0 ppb (34) | 0.3 ppb (3) | N/A | 5.0 μg/m3 (21) | 34.0 | |
| Sept. 18, 2020, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 39.0 ppb (30) | 0.3 ppb (3) | N/A | 4.0 μg/m3 (17) | 30.0 | |
| Sept. 18, 2020, 6 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.3 ppb (3) | N/A | 4.0 μg/m3 (17) | 29.0 | |
| Sept. 18, 2020, 5 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.3 ppb (3) | N/A | N/A | 24.0 | |
| Sept. 18, 2020, 4 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 27.0 ppb (21) | 0.4 ppb (4) | N/A | 3.0 μg/m3 (12) | 21.0 | |
| Sept. 18, 2020, 3 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 15.0 ppb (12) | 0.5 ppb (6) | N/A | 4.0 μg/m3 (17) | 17.0 | |
| Sept. 18, 2020, 2 p.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 14.0 ppb (11) | 0.4 ppb (4) | N/A | 9.0 μg/m3 (38) | 38.0 | |
| Sept. 18, 2020, 1 p.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | 1.0 ppb (1) | 10.0 ppb (8) | 0.3 ppb (3) | N/A | 7.0 μg/m3 (29) | 29.0 | |
| Sept. 18, 2020, noon | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 16.0 ppb (12) | 0.3 ppb (3) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 18, 2020, 11 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 18.0 ppb (14) | 0.2 ppb (2) | N/A | 5.0 μg/m3 (21) | 21.0 | |
| Sept. 18, 2020, 10 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 22.0 ppb (17) | 0.2 ppb (2) | N/A | 3.0 μg/m3 (12) | 17.0 | |
| Sept. 18, 2020, 9 a.m. | N/A | N/A | N/A | 6.0 ppb (6) | N/A | 1.0 ppb (1) | 23.0 ppb (18) | 0.2 ppb (2) | N/A | 3.0 μg/m3 (12) | 18.0 |