Mexico City (Malvón) MX, MX: 19.4684, -99.1697
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 26, 2020, 4 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 57.0 ppb (44) | 0.4 ppb (4) | 24.0 μg/m3 (22) | 16.0 μg/m3 (59) | 59.0 | |
| May 26, 2020, 3 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 1.0 ppb (1) | 53.0 ppb (41) | 0.5 ppb (6) | 23.0 μg/m3 (21) | 15.0 μg/m3 (56) | 56.0 | |
| May 26, 2020, 2 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 63.0 ppb (48) | 0.4 ppb (4) | 14.0 μg/m3 (13) | 2.0 μg/m3 (8) | 48.0 | |
| May 26, 2020, 1 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 72.0 ppb (56) | 0.4 ppb (4) | 43.0 μg/m3 (39) | 30.0 μg/m3 (88) | 88.0 | |
| May 26, 2020, midnight | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 84.0 ppb (66) | 0.4 ppb (4) | 35.0 μg/m3 (32) | 22.0 μg/m3 (71) | 71.0 | |
| May 25, 2020, 11 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 95.0 ppb (75) | 0.4 ppb (4) | 20.0 μg/m3 (18) | 11.0 μg/m3 (46) | 75.0 | |
| May 25, 2020, 10 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 95.0 ppb (75) | 0.3 ppb (3) | 19.0 μg/m3 (17) | 10.0 μg/m3 (42) | 75.0 | |
| May 25, 2020, 9 p.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | 1.0 ppb (1) | 95.0 ppb (75) | 0.3 ppb (3) | 26.0 μg/m3 (24) | 19.0 μg/m3 (65) | 75.0 | |
| May 25, 2020, 8 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 106.0 ppb (84) | 0.4 ppb (4) | 31.0 μg/m3 (28) | 23.0 μg/m3 (73) | 84.0 | |
| May 25, 2020, 7 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 1.0 ppb (1) | 103.0 ppb (82) | 0.4 ppb (4) | 33.0 μg/m3 (30) | 25.0 μg/m3 (78) | 82.0 | |
| May 25, 2020, 6 p.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 1.0 ppb (1) | 83.0 ppb (65) | 0.5 ppb (6) | 37.0 μg/m3 (34) | 28.0 μg/m3 (84) | 84.0 | |
| May 25, 2020, 5 p.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | 70.0 ppb (54) | 0.7 ppb (8) | 40.0 μg/m3 (36) | 31.0 μg/m3 (90) | 90.0 | |
| May 25, 2020, 4 p.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 2.0 ppb (3) | 50.0 ppb (38) | 0.8 ppb (9) | 42.0 μg/m3 (38) | 31.0 μg/m3 (90) | 90.0 | |
| May 25, 2020, 3 p.m. | N/A | N/A | N/A | 49.0 ppb (45) | N/A | 2.0 ppb (3) | 20.0 ppb (15) | 1.0 ppb (11) | 51.0 μg/m3 (46) | 34.0 μg/m3 (97) | 97.0 | |
| May 25, 2020, 2 p.m. | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 3.0 ppb (4) | 9.0 ppb (7) | 1.3 ppb (14) | 55.0 μg/m3 (50) | 40.0 μg/m3 (111) | 111.0 | |
| May 25, 2020, 1 p.m. | N/A | N/A | N/A | 42.0 ppb (39) | N/A | 3.0 ppb (4) | 3.0 ppb (2) | 1.8 ppb (20) | 26.0 μg/m3 (24) | 20.0 μg/m3 (67) | 67.0 | |
| May 25, 2020, noon | N/A | N/A | N/A | 35.0 ppb (32) | N/A | 2.0 ppb (3) | 3.0 ppb (2) | 0.7 ppb (8) | 35.0 μg/m3 (32) | 28.0 μg/m3 (84) | 84.0 | |
| May 25, 2020, 11 a.m. | N/A | N/A | N/A | 39.0 ppb (36) | N/A | 2.0 ppb (3) | 4.0 ppb (3) | 0.6 ppb (7) | 35.0 μg/m3 (32) | 28.0 μg/m3 (84) | 84.0 | |
| May 25, 2020, 10 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 2.0 ppb (3) | 20.0 ppb (15) | 0.4 ppb (4) | 25.0 μg/m3 (23) | 18.0 μg/m3 (63) | 63.0 | |
| May 25, 2020, 9 a.m. | N/A | N/A | N/A | 30.0 ppb (28) | N/A | 94.0 ppb (77) | 9.0 ppb (7) | 9.5 ppb (100) | 30.0 μg/m3 (27) | 21.0 μg/m3 (69) | 100.0 | |
| May 25, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 51.0 ppb (39) | N/A | 30.0 μg/m3 (27) | 21.0 μg/m3 (69) | 69.0 | |
| May 25, 2020, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.2 ppb (2) | 40.0 μg/m3 (36) | 35.0 μg/m3 (99) | 99.0 | |
| May 25, 2020, 6 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.5 ppb (6) | 25.0 μg/m3 (23) | 20.0 μg/m3 (67) | 67.0 | |
| May 25, 2020, 5 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 38.0 ppb (29) | 0.5 ppb (6) | 25.0 μg/m3 (23) | 19.0 μg/m3 (65) | 65.0 | |
| May 25, 2020, 4 a.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 1.0 ppb (1) | 43.0 ppb (33) | 0.5 ppb (6) | 21.0 μg/m3 (19) | 15.0 μg/m3 (56) | 56.0 | |
| May 25, 2020, 3 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 53.0 ppb (41) | 0.5 ppb (6) | 23.0 μg/m3 (21) | 17.0 μg/m3 (61) | 61.0 | |
| May 25, 2020, 2 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 55.0 ppb (42) | 0.5 ppb (6) | 42.0 μg/m3 (38) | 34.0 μg/m3 (97) | 97.0 | |
| May 25, 2020, 1 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 62.0 ppb (48) | 0.5 ppb (6) | 23.0 μg/m3 (21) | 17.0 μg/m3 (61) | 61.0 | |
| May 25, 2020, midnight | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 70.0 ppb (54) | 0.5 ppb (6) | 26.0 μg/m3 (24) | 19.0 μg/m3 (65) | 65.0 | |
| May 24, 2020, 11 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 76.0 ppb (59) | 0.5 ppb (6) | 37.0 μg/m3 (34) | 28.0 μg/m3 (84) | 84.0 | |
| May 24, 2020, 10 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 1.0 ppb (1) | 75.0 ppb (58) | 0.5 ppb (6) | 31.0 μg/m3 (28) | 23.0 μg/m3 (73) | 73.0 | |
| May 24, 2020, 9 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 98.0 ppb (78) | 0.6 ppb (7) | 35.0 μg/m3 (32) | 28.0 μg/m3 (84) | 84.0 | |
| May 24, 2020, 8 p.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | 101.0 ppb (80) | 0.6 ppb (7) | 41.0 μg/m3 (37) | 34.0 μg/m3 (97) | 97.0 | |
| May 24, 2020, 7 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 106.0 ppb (84) | 0.6 ppb (7) | 41.0 μg/m3 (37) | 34.0 μg/m3 (97) | 97.0 | |
| May 24, 2020, 6 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 3.0 ppb (4) | 89.0 ppb (70) | 0.6 ppb (7) | N/A | N/A | 70.0 | |
| May 24, 2020, 5 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 3.0 ppb (4) | 75.0 ppb (58) | 0.7 ppb (8) | N/A | N/A | 58.0 | |
| May 24, 2020, 4 p.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 2.0 ppb (3) | 29.0 ppb (22) | 0.9 ppb (10) | N/A | N/A | 26.0 | |
| May 24, 2020, 2 p.m. | N/A | N/A | N/A | 35.0 ppb (32) | N/A | 2.0 ppb (3) | 16.0 ppb (12) | 0.8 ppb (9) | 16.0 μg/m3 (15) | 11.0 μg/m3 (46) | 46.0 | |
| May 24, 2020, 1 p.m. | N/A | N/A | N/A | 33.0 ppb (31) | N/A | 2.0 ppb (3) | 8.0 ppb (6) | 0.8 ppb (9) | 19.0 μg/m3 (17) | 13.0 μg/m3 (52) | 52.0 | |
| May 24, 2020, noon | N/A | N/A | N/A | 34.0 ppb (31) | N/A | 2.0 ppb (3) | 6.0 ppb (5) | 0.7 ppb (8) | 15.0 μg/m3 (14) | 8.0 μg/m3 (33) | 33.0 | |
| May 24, 2020, 11 a.m. | N/A | N/A | N/A | 29.0 ppb (27) | N/A | 2.0 ppb (3) | 14.0 ppb (11) | 0.6 ppb (7) | 22.0 μg/m3 (20) | 16.0 μg/m3 (59) | 59.0 | |
| May 24, 2020, 10 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | 2.0 ppb (3) | 23.0 ppb (18) | 0.5 ppb (6) | 31.0 μg/m3 (28) | 26.0 μg/m3 (80) | 80.0 | |
| May 24, 2020, 9 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | 28.0 ppb (22) | 0.6 ppb (7) | 25.0 μg/m3 (23) | 17.0 μg/m3 (61) | 61.0 | |
| May 24, 2020, 8 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 2.0 ppb (3) | 40.0 ppb (31) | 0.5 ppb (6) | 39.0 μg/m3 (35) | 31.0 μg/m3 (90) | 90.0 | |
| May 24, 2020, 7 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | 42.0 ppb (32) | 0.4 ppb (4) | 30.0 μg/m3 (27) | 21.0 μg/m3 (69) | 69.0 | |
| May 24, 2020, 6 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 48.0 ppb (37) | 0.5 ppb (6) | 35.0 μg/m3 (32) | 28.0 μg/m3 (84) | 84.0 | |
| May 24, 2020, 5 a.m. | N/A | N/A | N/A | 7.0 ppb (6) | N/A | 2.0 ppb (3) | 57.0 ppb (44) | 0.4 ppb (4) | 26.0 μg/m3 (24) | 20.0 μg/m3 (67) | 67.0 | |
| May 24, 2020, 4 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | 55.0 ppb (42) | 0.4 ppb (4) | 31.0 μg/m3 (28) | 25.0 μg/m3 (78) | 78.0 | |
| May 24, 2020, 3 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 55.0 ppb (42) | 0.4 ppb (4) | 27.0 μg/m3 (25) | 19.0 μg/m3 (65) | 65.0 | |
| May 24, 2020, 2 a.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 62.0 ppb (48) | 0.5 ppb (6) | 26.0 μg/m3 (24) | 18.0 μg/m3 (63) | 63.0 | |
| May 24, 2020, 1 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 59.0 ppb (45) | 0.4 ppb (4) | 23.0 μg/m3 (21) | 12.0 μg/m3 (50) | 50.0 | |
| May 24, 2020, midnight | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 61.0 ppb (47) | 0.4 ppb (4) | 38.0 μg/m3 (35) | 27.0 μg/m3 (82) | 82.0 | |
| May 23, 2020, 11 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | 76.0 ppb (59) | 0.4 ppb (4) | 42.0 μg/m3 (38) | 32.0 μg/m3 (93) | 93.0 | |
| May 23, 2020, 10 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | 91.0 ppb (72) | 0.5 ppb (6) | 29.0 μg/m3 (26) | 21.0 μg/m3 (69) | 72.0 | |
| May 23, 2020, 9 p.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 103.0 ppb (82) | 0.4 ppb (4) | 24.0 μg/m3 (22) | 11.0 μg/m3 (46) | 82.0 | |
| May 23, 2020, 8 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 82.0 ppb (64) | 0.4 ppb (4) | 37.0 μg/m3 (34) | 21.0 μg/m3 (69) | 69.0 | |
| May 23, 2020, 7 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 3.0 ppb (4) | 113.0 ppb (90) | 0.5 ppb (6) | 43.0 μg/m3 (39) | 33.0 μg/m3 (95) | 95.0 | |
| May 23, 2020, 6 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | 3.0 ppb (4) | 106.0 ppb (84) | 0.7 ppb (8) | 56.0 μg/m3 (50) | 46.0 μg/m3 (126) | 126.0 | |
| May 23, 2020, 5 p.m. | N/A | N/A | N/A | 35.0 ppb (32) | N/A | 3.0 ppb (4) | 78.0 ppb (61) | 0.8 ppb (9) | 57.0 μg/m3 (51) | 46.0 μg/m3 (126) | 126.0 | |
| May 23, 2020, 4 p.m. | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 3.0 ppb (4) | 54.0 ppb (42) | 1.0 ppb (11) | 59.0 μg/m3 (52) | 46.0 μg/m3 (126) | 126.0 | |
| May 23, 2020, 3 p.m. | N/A | N/A | N/A | 60.0 ppb (56) | N/A | 3.0 ppb (4) | 20.0 ppb (15) | 1.4 ppb (16) | 45.0 μg/m3 (41) | 35.0 μg/m3 (99) | 99.0 | |
| May 23, 2020, 2 p.m. | N/A | N/A | N/A | 46.0 ppb (43) | N/A | 3.0 ppb (4) | 8.0 ppb (6) | 1.2 ppb (13) | 40.0 μg/m3 (36) | 34.0 μg/m3 (97) | 97.0 | |
| May 23, 2020, 1 p.m. | N/A | N/A | N/A | 38.0 ppb (35) | N/A | 2.0 ppb (3) | 5.0 ppb (4) | 1.0 ppb (11) | 23.0 μg/m3 (21) | 17.0 μg/m3 (61) | 61.0 | |
| May 23, 2020, noon | N/A | N/A | N/A | 37.0 ppb (34) | N/A | 2.0 ppb (3) | 4.0 ppb (3) | 0.6 ppb (7) | 36.0 μg/m3 (33) | 32.0 μg/m3 (93) | 93.0 | |
| May 23, 2020, 11 a.m. | N/A | N/A | N/A | 28.0 ppb (26) | N/A | 2.0 ppb (3) | 9.0 ppb (7) | 0.4 ppb (4) | 39.0 μg/m3 (35) | 35.0 μg/m3 (99) | 99.0 | |
| May 23, 2020, 10 a.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 2.0 ppb (3) | 17.0 ppb (13) | 0.4 ppb (4) | 27.0 μg/m3 (25) | 21.0 μg/m3 (69) | 69.0 | |
| May 23, 2020, 9 a.m. | N/A | N/A | N/A | 35.0 ppb (32) | N/A | 2.0 ppb (3) | 11.0 ppb (8) | 0.7 ppb (8) | 36.0 μg/m3 (33) | 30.0 μg/m3 (88) | 88.0 | |
| May 23, 2020, 8 a.m. | N/A | N/A | N/A | 37.0 ppb (34) | N/A | 2.0 ppb (3) | 13.0 ppb (10) | 0.7 ppb (8) | 46.0 μg/m3 (42) | 39.0 μg/m3 (109) | 109.0 | |
| May 23, 2020, 7 a.m. | N/A | N/A | N/A | 51.0 ppb (47) | N/A | 2.0 ppb (3) | 10.0 ppb (8) | 1.0 ppb (11) | 28.0 μg/m3 (25) | 22.0 μg/m3 (71) | 71.0 | |
| May 23, 2020, 6 a.m. | N/A | N/A | N/A | 49.0 ppb (45) | N/A | 2.0 ppb (3) | 14.0 ppb (11) | 1.0 ppb (11) | 23.0 μg/m3 (21) | 16.0 μg/m3 (59) | 59.0 | |
| May 23, 2020, 5 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | 45.0 ppb (35) | 0.7 ppb (8) | 25.0 μg/m3 (23) | 20.0 μg/m3 (67) | 67.0 | |
| May 23, 2020, 4 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | 52.0 ppb (40) | 0.6 ppb (7) | 28.0 μg/m3 (25) | 24.0 μg/m3 (76) | 76.0 | |
| May 23, 2020, 3 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | 54.0 ppb (42) | 0.5 ppb (6) | 23.0 μg/m3 (21) | 16.0 μg/m3 (59) | 59.0 | |
| May 23, 2020, 2 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | 55.0 ppb (42) | 0.5 ppb (6) | 26.0 μg/m3 (24) | 18.0 μg/m3 (63) | 63.0 | |
| May 23, 2020, 1 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 61.0 ppb (47) | 0.3 ppb (3) | 27.0 μg/m3 (25) | 18.0 μg/m3 (63) | 63.0 | |
| May 23, 2020, midnight | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 80.0 ppb (62) | 0.5 ppb (6) | 10.0 μg/m3 (9) | 2.0 μg/m3 (8) | 62.0 | |
| May 22, 2020, 11 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | 93.0 ppb (73) | 0.5 ppb (6) | 35.0 μg/m3 (32) | 27.0 μg/m3 (82) | 82.0 | |
| May 22, 2020, 10 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 109.0 ppb (87) | 0.4 ppb (4) | 29.0 μg/m3 (26) | 19.0 μg/m3 (65) | 87.0 | |
| May 22, 2020, 9 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 3.0 ppb (4) | 112.0 ppb (89) | 0.5 ppb (6) | 38.0 μg/m3 (35) | 31.0 μg/m3 (90) | 90.0 | |
| May 22, 2020, 8 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 3.0 ppb (4) | 104.0 ppb (82) | 0.4 ppb (4) | 38.0 μg/m3 (35) | 30.0 μg/m3 (88) | 88.0 | |
| May 22, 2020, 7 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 3.0 ppb (4) | 102.0 ppb (81) | 0.5 ppb (6) | 43.0 μg/m3 (39) | 34.0 μg/m3 (97) | 97.0 | |
| May 22, 2020, 6 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 4.0 ppb (6) | 82.0 ppb (64) | 0.5 ppb (6) | 39.0 μg/m3 (35) | 30.0 μg/m3 (88) | 88.0 | |
| May 22, 2020, 5 p.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | 5.0 ppb (7) | 59.0 ppb (45) | 0.6 ppb (7) | 46.0 μg/m3 (42) | 34.0 μg/m3 (97) | 97.0 | |
| May 22, 2020, 4 p.m. | N/A | N/A | N/A | 34.0 ppb (31) | N/A | 11.0 ppb (16) | 38.0 ppb (29) | 0.7 ppb (8) | 47.0 μg/m3 (43) | 35.0 μg/m3 (99) | 99.0 | |
| May 22, 2020, 3 p.m. | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 12.0 ppb (17) | 19.0 ppb (15) | 0.8 ppb (9) | 49.0 μg/m3 (45) | 33.0 μg/m3 (95) | 95.0 | |
| May 22, 2020, 2 p.m. | N/A | N/A | N/A | 53.0 ppb (49) | N/A | 4.0 ppb (6) | 7.0 ppb (5) | 1.5 ppb (17) | 49.0 μg/m3 (45) | 41.0 μg/m3 (114) | 114.0 | |
| May 22, 2020, 1 p.m. | N/A | N/A | N/A | 47.0 ppb (44) | N/A | 4.0 ppb (6) | 5.0 ppb (4) | 1.4 ppb (16) | 40.0 μg/m3 (36) | 31.0 μg/m3 (90) | 90.0 | |
| May 22, 2020, noon | N/A | N/A | N/A | 45.0 ppb (42) | N/A | 4.0 ppb (6) | 5.0 ppb (4) | 1.1 ppb (12) | 43.0 μg/m3 (39) | 30.0 μg/m3 (88) | 88.0 | |
| May 22, 2020, 11 a.m. | N/A | N/A | N/A | 52.0 ppb (48) | N/A | 4.0 ppb (6) | 6.0 ppb (5) | 1.1 ppb (12) | 40.0 μg/m3 (36) | 32.0 μg/m3 (93) | 93.0 | |
| May 22, 2020, 10 a.m. | N/A | N/A | N/A | 49.0 ppb (45) | N/A | 2.0 ppb (3) | 5.0 ppb (4) | 0.9 ppb (10) | 51.0 μg/m3 (46) | 42.0 μg/m3 (116) | 116.0 | |
| May 22, 2020, 9 a.m. | N/A | N/A | N/A | 57.0 ppb (53) | N/A | 2.0 ppb (3) | 5.0 ppb (4) | 1.1 ppb (12) | 37.0 μg/m3 (34) | 31.0 μg/m3 (90) | 90.0 | |
| May 22, 2020, 8 a.m. | N/A | N/A | N/A | 51.0 ppb (47) | N/A | 2.0 ppb (3) | 6.0 ppb (5) | 0.9 ppb (10) | 21.0 μg/m3 (19) | 16.0 μg/m3 (59) | 59.0 | |
| May 22, 2020, 7 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 1.0 ppb (1) | 31.0 ppb (24) | 0.5 ppb (6) | 33.0 μg/m3 (30) | 27.0 μg/m3 (82) | 82.0 | |
| May 22, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | 43.0 ppb (33) | 0.4 ppb (4) | 41.0 μg/m3 (37) | 32.0 μg/m3 (93) | 93.0 | |
| May 22, 2020, 5 a.m. | N/A | N/A | N/A | 58.0 ppb (54) | N/A | 2.0 ppb (3) | 10.0 ppb (8) | 1.3 ppb (14) | 58.0 μg/m3 (52) | 50.0 μg/m3 (136) | 136.0 | |
| May 22, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 2.0 ppb (3) | N/A | 1.6 ppb (18) | 48.0 μg/m3 (44) | 40.0 μg/m3 (111) | 111.0 | |
| May 22, 2020, 3 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | 2.0 ppb (3) | 65.0 ppb (50) | 0.7 ppb (8) | 46.0 μg/m3 (42) | 38.0 μg/m3 (106) | 106.0 | |
| May 22, 2020, 2 a.m. | N/A | N/A | N/A | 23.0 ppb (21) | N/A | 2.0 ppb (3) | 70.0 ppb (54) | 0.7 ppb (8) | 39.0 μg/m3 (35) | 32.0 μg/m3 (93) | 93.0 | |
| May 22, 2020, 1 a.m. | N/A | N/A | N/A | 22.0 ppb (20) | N/A | 2.0 ppb (3) | 76.0 ppb (59) | 0.7 ppb (8) | 46.0 μg/m3 (42) | 39.0 μg/m3 (109) | 109.0 | |
| May 22, 2020, midnight | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | 79.0 ppb (62) | 0.8 ppb (9) | 61.0 μg/m3 (53) | 51.0 μg/m3 (139) | 139.0 | |
| May 21, 2020, 11 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 91.0 ppb (72) | 0.7 ppb (8) | 61.0 μg/m3 (53) | 46.0 μg/m3 (126) | 126.0 | |
| May 21, 2020, 10 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 108.0 ppb (86) | 0.7 ppb (8) | 54.0 μg/m3 (49) | 45.0 μg/m3 (124) | 124.0 | |
| May 21, 2020, 9 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 138.0 ppb (116) | 0.6 ppb (7) | 43.0 μg/m3 (39) | 34.0 μg/m3 (97) | 116.0 | |
| May 21, 2020, 8 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | N/A | 0.6 ppb (7) | 51.0 μg/m3 (46) | 41.0 μg/m3 (114) | 114.0 | |
| May 21, 2020, 7 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | N/A | 0.6 ppb (7) | 51.0 μg/m3 (46) | 42.0 μg/m3 (116) | 116.0 | |
| May 21, 2020, 6 p.m. | N/A | N/A | N/A | 14.0 ppb (13) | N/A | 2.0 ppb (3) | 111.0 ppb (88) | 0.6 ppb (7) | 57.0 μg/m3 (51) | 44.0 μg/m3 (121) | 121.0 | |
| May 21, 2020, 5 p.m. | N/A | N/A | N/A | 26.0 ppb (24) | N/A | 3.0 ppb (4) | 86.0 ppb (68) | 0.8 ppb (9) | 59.0 μg/m3 (52) | 49.0 μg/m3 (134) | 134.0 | |
| May 21, 2020, 4 p.m. | N/A | N/A | N/A | 37.0 ppb (34) | N/A | 3.0 ppb (4) | 62.0 ppb (48) | 0.9 ppb (10) | 66.0 μg/m3 (56) | 51.0 μg/m3 (139) | 139.0 | |
| May 21, 2020, 3 p.m. | N/A | N/A | N/A | 63.0 ppb (60) | N/A | 3.0 ppb (4) | 25.0 ppb (19) | 1.3 ppb (14) | 60.0 μg/m3 (52) | 49.0 μg/m3 (134) | 134.0 | |
| May 21, 2020, 2 p.m. | N/A | N/A | N/A | 67.0 ppb (64) | N/A | 2.0 ppb (3) | 26.0 ppb (20) | 1.2 ppb (13) | 74.0 μg/m3 (60) | 64.0 μg/m3 (154) | 154.0 | |
| May 21, 2020, 1 p.m. | N/A | N/A | N/A | 59.0 ppb (55) | N/A | 3.0 ppb (4) | 6.0 ppb (5) | 1.3 ppb (14) | 70.0 μg/m3 (58) | 59.0 μg/m3 (152) | 152.0 | |
| May 21, 2020, noon | N/A | N/A | N/A | 52.0 ppb (48) | N/A | 3.0 ppb (4) | 6.0 ppb (5) | 1.1 ppb (12) | 68.0 μg/m3 (56) | 62.0 μg/m3 (153) | 153.0 | |
| May 21, 2020, 11 a.m. | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 2.0 ppb (3) | 9.0 ppb (7) | 0.7 ppb (8) | 45.0 μg/m3 (41) | 37.0 μg/m3 (104) | 104.0 | |
| May 21, 2020, 10 a.m. | N/A | N/A | N/A | 34.0 ppb (31) | N/A | 2.0 ppb (3) | 22.0 ppb (17) | 0.6 ppb (7) | 41.0 μg/m3 (37) | 33.0 μg/m3 (95) | 95.0 | |
| May 21, 2020, 9 a.m. | N/A | N/A | N/A | 39.0 ppb (36) | N/A | 2.0 ppb (3) | 25.0 ppb (19) | 0.5 ppb (6) | 30.0 μg/m3 (27) | 24.0 μg/m3 (76) | 76.0 | |
| May 21, 2020, 8 a.m. | N/A | N/A | N/A | 27.0 ppb (25) | N/A | 2.0 ppb (3) | 41.0 ppb (32) | 0.5 ppb (6) | 31.0 μg/m3 (28) | 27.0 μg/m3 (82) | 82.0 | |
| May 21, 2020, 7 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | 66.0 ppb (51) | 0.4 ppb (4) | 35.0 μg/m3 (32) | 30.0 μg/m3 (88) | 88.0 | |
| May 21, 2020, 6 a.m. | N/A | N/A | N/A | 8.0 ppb (7) | N/A | 2.0 ppb (3) | 73.0 ppb (57) | 0.4 ppb (4) | 50.0 μg/m3 (45) | 41.0 μg/m3 (114) | 114.0 | |
| May 21, 2020, 5 a.m. | N/A | N/A | N/A | 25.0 ppb (23) | N/A | 2.0 ppb (3) | 55.0 ppb (42) | 0.7 ppb (8) | 58.0 μg/m3 (52) | 50.0 μg/m3 (136) | 136.0 | |
| May 21, 2020, 4 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 2.0 ppb (3) | 65.0 ppb (50) | 0.7 ppb (8) | 49.0 μg/m3 (45) | 40.0 μg/m3 (111) | 111.0 | |
| May 21, 2020, 3 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 78.0 ppb (61) | 0.6 ppb (7) | 35.0 μg/m3 (32) | 23.0 μg/m3 (73) | 73.0 | |
| May 21, 2020, 2 a.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 71.0 ppb (55) | 0.5 ppb (6) | 74.0 μg/m3 (60) | 63.0 μg/m3 (154) | 154.0 | |
| May 21, 2020, 1 a.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 89.0 ppb (70) | 0.5 ppb (6) | 38.0 μg/m3 (35) | 28.0 μg/m3 (84) | 84.0 | |
| May 21, 2020, midnight | N/A | N/A | N/A | 16.0 ppb (15) | N/A | 3.0 ppb (4) | 87.0 ppb (68) | 0.5 ppb (6) | 24.0 μg/m3 (22) | 15.0 μg/m3 (56) | 68.0 | |
| May 20, 2020, 11 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 3.0 ppb (4) | 97.0 ppb (77) | 0.4 ppb (4) | 33.0 μg/m3 (30) | 22.0 μg/m3 (71) | 77.0 | |
| May 20, 2020, 10 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 96.0 ppb (76) | 0.4 ppb (4) | 32.0 μg/m3 (29) | 23.0 μg/m3 (73) | 76.0 | |
| May 20, 2020, 9 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 99.0 ppb (78) | 0.4 ppb (4) | 41.0 μg/m3 (37) | 29.0 μg/m3 (86) | 86.0 | |
| May 20, 2020, 8 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 2.0 ppb (3) | 104.0 ppb (82) | 0.4 ppb (4) | 45.0 μg/m3 (41) | 34.0 μg/m3 (97) | 97.0 | |
| May 20, 2020, 7 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 2.0 ppb (3) | 94.0 ppb (74) | 0.4 ppb (4) | 57.0 μg/m3 (51) | 44.0 μg/m3 (121) | 121.0 | |
| May 20, 2020, 6 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 3.0 ppb (4) | 84.0 ppb (66) | 0.5 ppb (6) | 50.0 μg/m3 (45) | 37.0 μg/m3 (104) | 104.0 | |
| May 20, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 3.0 ppb (4) | 72.0 ppb (56) | 0.6 ppb (7) | 66.0 μg/m3 (56) | 50.0 μg/m3 (136) | 136.0 | |
| May 20, 2020, 4 p.m. | N/A | N/A | N/A | 62.0 ppb (59) | N/A | 3.0 ppb (4) | 34.0 ppb (26) | 1.1 ppb (12) | 61.0 μg/m3 (53) | 45.0 μg/m3 (124) | 124.0 | |
| May 20, 2020, 3 p.m. | N/A | N/A | N/A | 66.0 ppb (63) | N/A | 3.0 ppb (4) | 16.0 ppb (12) | 1.3 ppb (14) | 56.0 μg/m3 (50) | 37.0 μg/m3 (104) | 104.0 | |
| May 20, 2020, 2 p.m. | N/A | N/A | N/A | 64.0 ppb (61) | N/A | 3.0 ppb (4) | 9.0 ppb (7) | 1.4 ppb (16) | 51.0 μg/m3 (46) | 38.0 μg/m3 (106) | 106.0 | |
| May 20, 2020, 1 p.m. | N/A | N/A | N/A | 53.0 ppb (49) | N/A | 3.0 ppb (4) | 5.0 ppb (4) | 1.3 ppb (14) | 46.0 μg/m3 (42) | 40.0 μg/m3 (111) | 111.0 | |
| May 20, 2020, noon | N/A | N/A | N/A | 48.0 ppb (44) | N/A | 3.0 ppb (4) | 8.0 ppb (6) | 0.9 ppb (10) | 45.0 μg/m3 (41) | 37.0 μg/m3 (104) | 104.0 | |
| May 20, 2020, 11 a.m. | N/A | N/A | N/A | 49.0 ppb (45) | N/A | 3.0 ppb (4) | 6.0 ppb (5) | 0.7 ppb (8) | 34.0 μg/m3 (31) | 28.0 μg/m3 (84) | 84.0 | |
| May 20, 2020, 10 a.m. | N/A | N/A | N/A | 50.0 ppb (46) | N/A | 2.0 ppb (3) | 5.0 ppb (4) | 0.5 ppb (6) | 29.0 μg/m3 (26) | 24.0 μg/m3 (76) | 76.0 | |
| May 20, 2020, 9 a.m. | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 2.0 ppb (3) | 25.0 ppb (19) | 0.4 ppb (4) | 36.0 μg/m3 (33) | 30.0 μg/m3 (88) | 88.0 | |
| May 20, 2020, 8 a.m. | N/A | N/A | N/A | 17.0 ppb (16) | N/A | 2.0 ppb (3) | 37.0 ppb (28) | 0.4 ppb (4) | 39.0 μg/m3 (35) | 32.0 μg/m3 (93) | 93.0 | |
| May 20, 2020, 7 a.m. | N/A | N/A | N/A | 21.0 ppb (19) | N/A | 2.0 ppb (3) | 37.0 ppb (28) | 0.5 ppb (6) | 30.0 μg/m3 (27) | 23.0 μg/m3 (73) | 73.0 | |
| May 20, 2020, 6 a.m. | N/A | N/A | N/A | 38.0 ppb (35) | N/A | 2.0 ppb (3) | 21.0 ppb (16) | 0.7 ppb (8) | 35.0 μg/m3 (32) | 27.0 μg/m3 (82) | 82.0 | |
| May 20, 2020, 5 a.m. | N/A | N/A | N/A | 31.0 ppb (29) | N/A | 1.0 ppb (1) | 36.0 ppb (28) | 0.5 ppb (6) | 34.0 μg/m3 (31) | 27.0 μg/m3 (82) | 82.0 | |
| May 20, 2020, 4 a.m. | N/A | N/A | N/A | 24.0 ppb (22) | N/A | 2.0 ppb (3) | 48.0 ppb (37) | 0.6 ppb (7) | 21.0 μg/m3 (19) | 13.0 μg/m3 (52) | 52.0 | |
| May 20, 2020, 3 a.m. | N/A | N/A | N/A | 18.0 ppb (17) | N/A | 2.0 ppb (3) | 54.0 ppb (42) | 0.5 ppb (6) | 20.0 μg/m3 (18) | 13.0 μg/m3 (52) | 52.0 | |
| May 20, 2020, 2 a.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 1.0 ppb (1) | 62.0 ppb (48) | 0.4 ppb (4) | 46.0 μg/m3 (42) | 36.0 μg/m3 (101) | 101.0 | |
| May 20, 2020, 1 a.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 72.0 ppb (56) | 0.4 ppb (4) | 30.0 μg/m3 (27) | 19.0 μg/m3 (65) | 65.0 | |
| May 20, 2020, midnight | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | 87.0 ppb (68) | 0.4 ppb (4) | 33.0 μg/m3 (30) | 21.0 μg/m3 (69) | 69.0 | |
| May 19, 2020, 11 p.m. | N/A | N/A | N/A | 15.0 ppb (14) | N/A | 2.0 ppb (3) | 91.0 ppb (72) | 0.3 ppb (3) | 26.0 μg/m3 (24) | 16.0 μg/m3 (59) | 72.0 | |
| May 19, 2020, 10 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 97.0 ppb (77) | 0.3 ppb (3) | 26.0 μg/m3 (24) | 17.0 μg/m3 (61) | 77.0 | |
| May 19, 2020, 9 p.m. | N/A | N/A | N/A | 12.0 ppb (11) | N/A | 2.0 ppb (3) | 108.0 ppb (86) | 0.4 ppb (4) | 27.0 μg/m3 (25) | 18.0 μg/m3 (63) | 86.0 | |
| May 19, 2020, 8 p.m. | N/A | N/A | N/A | 13.0 ppb (12) | N/A | 2.0 ppb (3) | 106.0 ppb (84) | 0.4 ppb (4) | 21.0 μg/m3 (19) | 14.0 μg/m3 (54) | 84.0 | |
| May 19, 2020, 7 p.m. | N/A | N/A | N/A | 9.0 ppb (8) | N/A | 1.0 ppb (1) | 89.0 ppb (70) | 0.3 ppb (3) | 22.0 μg/m3 (20) | 13.0 μg/m3 (52) | 70.0 | |
| May 19, 2020, 6 p.m. | N/A | N/A | N/A | 11.0 ppb (10) | N/A | 1.0 ppb (1) | 80.0 ppb (62) | 0.3 ppb (3) | 28.0 μg/m3 (25) | 20.0 μg/m3 (67) | 67.0 | |
| May 19, 2020, 5 p.m. | N/A | N/A | N/A | 20.0 ppb (19) | N/A | 1.0 ppb (1) | 80.0 ppb (62) | 0.6 ppb (7) | 41.0 μg/m3 (37) | 31.0 μg/m3 (90) | 90.0 | |
| May 19, 2020, 4 p.m. | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 2.0 ppb (3) | 54.0 ppb (42) | 0.9 ppb (10) | 44.0 μg/m3 (40) | 32.0 μg/m3 (93) | 93.0 | |
| May 19, 2020, 3 p.m. | N/A | N/A | N/A | 56.0 ppb (52) | N/A | 2.0 ppb (3) | 20.0 ppb (15) | 1.2 ppb (13) | 41.0 μg/m3 (37) | 33.0 μg/m3 (95) | 95.0 | |
| May 19, 2020, 2 p.m. | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 2.0 ppb (3) | 10.0 ppb (8) | 1.0 ppb (11) | 38.0 μg/m3 (35) | 31.0 μg/m3 (90) | 90.0 | |
| May 19, 2020, 1 p.m. | N/A | N/A | N/A | 44.0 ppb (41) | N/A | 2.0 ppb (3) | 5.0 ppb (4) | 0.9 ppb (10) | 26.0 μg/m3 (24) | 19.0 μg/m3 (65) | 65.0 | |
| May 19, 2020, noon | N/A | N/A | N/A | 43.0 ppb (40) | N/A | 2.0 ppb (3) | 4.0 ppb (3) | 0.6 ppb (7) | 16.0 μg/m3 (15) | 12.0 μg/m3 (50) | 50.0 | |
| May 19, 2020, 11 a.m. | N/A | N/A | N/A | 35.0 ppb (32) | N/A | 2.0 ppb (3) | 6.0 ppb (5) | 0.4 ppb (4) | 21.0 μg/m3 (19) | 16.0 μg/m3 (59) | 59.0 | |
| May 19, 2020, 10 a.m. | N/A | N/A | N/A | 34.0 ppb (31) | N/A | 2.0 ppb (3) | 7.0 ppb (5) | 0.4 ppb (4) | 23.0 μg/m3 (21) | 18.0 μg/m3 (63) | 63.0 | |
| May 19, 2020, 9 a.m. | N/A | N/A | N/A | 32.0 ppb (30) | N/A | 94.0 ppb (77) | 5.0 ppb (4) | 9.4 ppb (99) | 20.0 μg/m3 (18) | 16.0 μg/m3 (59) | 99.0 | |
| May 19, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 40.0 ppb (31) | N/A | 28.0 μg/m3 (25) | 24.0 μg/m3 (76) | 76.0 | |
| May 19, 2020, 7 a.m. | N/A | N/A | N/A | 1.0 ppb (1) | N/A | 1.0 ppb (1) | N/A | 0.0 ppb (0) | 23.0 μg/m3 (21) | 20.0 μg/m3 (67) | 67.0 | |
| May 19, 2020, 6 a.m. | N/A | N/A | N/A | 19.0 ppb (18) | N/A | 1.0 ppb (1) | 40.0 ppb (31) | 0.6 ppb (7) | 18.0 μg/m3 (16) | 15.0 μg/m3 (56) | 56.0 | |
| May 19, 2020, 5 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 1.0 ppb (1) | 57.0 ppb (44) | 0.3 ppb (3) | 16.0 μg/m3 (15) | 12.0 μg/m3 (50) | 50.0 | |
| May 19, 2020, 4 a.m. | N/A | N/A | N/A | 10.0 ppb (9) | N/A | 2.0 ppb (3) | 54.0 ppb (42) | 0.4 ppb (4) | 25.0 μg/m3 (23) | 20.0 μg/m3 (67) | 67.0 |