Salamanca (Irapuato) MX, MX: 20.558153, -101.20485
| Date Observed (UTC) | NOX | NO | NOY | NO2 | NO2Y | SO2 | OZONE | CO | PM10 | PM2.5 | AQI | AQI/500 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| April 8, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 26.0 ppb (20) | 2.08 ppb (23) | 76.0 μg/m3 (60) | 44.1 μg/m3 (122) | 122.0 | |
| April 8, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 7.0 ppb (5) | 2.39 ppb (27) | 80.0 μg/m3 (62) | 23.2 μg/m3 (74) | 74.0 | |
| April 8, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 3.0 ppb (2) | 2.04 ppb (23) | 50.0 μg/m3 (45) | 20.4 μg/m3 (68) | 68.0 | |
| April 8, 2020, noon | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 12.0 ppb (9) | 1.52 ppb (17) | 23.0 μg/m3 (21) | 19.6 μg/m3 (66) | 66.0 | |
| April 8, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 20.0 ppb (15) | 1.41 ppb (16) | 27.0 μg/m3 (25) | 19.1 μg/m3 (65) | 65.0 | |
| April 8, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 31.0 ppb (24) | 1.44 ppb (16) | 32.0 μg/m3 (29) | 18.9 μg/m3 (65) | 65.0 | |
| April 8, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 27.0 ppb (21) | 1.44 ppb (16) | 34.0 μg/m3 (31) | 42.3 μg/m3 (117) | 117.0 | |
| April 8, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 20.0 ppb (15) | 1.43 ppb (16) | 37.0 μg/m3 (34) | 30.5 μg/m3 (89) | 89.0 | |
| April 8, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 26.0 ppb (20) | 1.41 ppb (16) | 34.0 μg/m3 (31) | 36.5 μg/m3 (102) | 102.0 | |
| April 8, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 23.0 ppb (18) | 1.43 ppb (16) | 35.0 μg/m3 (32) | 19.0 μg/m3 (65) | 65.0 | |
| April 8, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 28.0 ppb (22) | 1.45 ppb (16) | 44.0 μg/m3 (40) | 13.9 μg/m3 (54) | 54.0 | |
| April 8, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 30.0 ppb (23) | 1.45 ppb (16) | 55.0 μg/m3 (50) | 42.2 μg/m3 (117) | 117.0 | |
| April 8, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 29.0 ppb (22) | 1.59 ppb (18) | 102.0 μg/m3 (74) | 38.5 μg/m3 (108) | 108.0 | |
| April 8, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 30.0 ppb (23) | 1.65 ppb (18) | 99.0 μg/m3 (72) | 12.1 μg/m3 (50) | 72.0 | |
| April 8, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 36.0 ppb (28) | 1.58 ppb (18) | 42.0 μg/m3 (38) | 15.4 μg/m3 (57) | 57.0 | |
| April 7, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 41.0 ppb (32) | 1.63 ppb (18) | 29.0 μg/m3 (26) | 17.8 μg/m3 (62) | 62.0 | |
| April 7, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 47.0 ppb (36) | 1.57 ppb (17) | 22.0 μg/m3 (20) | 12.4 μg/m3 (51) | 51.0 | |
| April 7, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 43.0 ppb (33) | 1.56 ppb (17) | 23.0 μg/m3 (21) | 10.9 μg/m3 (45) | 45.0 | |
| April 7, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 10.0 ppb (14) | 41.0 ppb (32) | 1.6 ppb (18) | 29.0 μg/m3 (26) | 17.0 μg/m3 (61) | 61.0 | |
| April 7, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | 38.0 ppb (29) | 1.58 ppb (18) | 18.0 μg/m3 (16) | 14.2 μg/m3 (55) | 55.0 | |
| April 7, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 9.0 ppb (13) | 33.0 ppb (25) | 1.56 ppb (17) | 10.0 μg/m3 (9) | 22.3 μg/m3 (72) | 72.0 | |
| April 7, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 31.0 ppb (24) | 1.51 ppb (17) | 15.0 μg/m3 (14) | 7.7 μg/m3 (32) | 32.0 | |
| April 7, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 29.0 ppb (22) | 1.61 ppb (18) | 29.0 μg/m3 (26) | 20.5 μg/m3 (68) | 68.0 | |
| April 7, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 28.0 ppb (22) | 1.66 ppb (18) | 38.0 μg/m3 (35) | 19.9 μg/m3 (67) | 67.0 | |
| April 7, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 25.0 ppb (19) | 1.77 ppb (20) | 52.0 μg/m3 (47) | 6.7 μg/m3 (28) | 47.0 | |
| April 7, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 8.0 ppb (6) | 1.66 ppb (18) | 29.0 μg/m3 (26) | 18.6 μg/m3 (64) | 64.0 | |
| April 7, 2020, noon | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 6.0 ppb (5) | 1.45 ppb (16) | 24.0 μg/m3 (22) | 7.3 μg/m3 (30) | 30.0 | |
| April 3, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | N/A | 41.0 ppb (32) | N/A | N/A | 142.4 μg/m3 (196) | 196.0 | |
| April 3, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 28.0 ppb (22) | 1.63 ppb (18) | 39.0 μg/m3 (35) | 78.2 μg/m3 (162) | 162.0 | |
| April 3, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 12.0 ppb (9) | 1.71 ppb (19) | 53.0 μg/m3 (48) | 26.6 μg/m3 (81) | 81.0 | |
| April 3, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 12.0 ppb (9) | 1.61 ppb (18) | 39.0 μg/m3 (35) | 13.5 μg/m3 (53) | 53.0 | |
| April 3, 2020, noon | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 19.0 ppb (15) | 1.5 ppb (17) | 38.0 μg/m3 (35) | 17.6 μg/m3 (62) | 62.0 | |
| April 3, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 21.0 ppb (16) | 1.48 ppb (16) | 31.0 μg/m3 (28) | 26.6 μg/m3 (81) | 81.0 | |
| April 3, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 23.0 ppb (18) | 1.49 ppb (17) | 35.0 μg/m3 (32) | 17.8 μg/m3 (62) | 62.0 | |
| April 3, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 26.0 ppb (20) | 1.49 ppb (17) | 35.0 μg/m3 (32) | 25.4 μg/m3 (79) | 79.0 | |
| April 3, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 25.0 ppb (19) | 1.53 ppb (17) | 38.0 μg/m3 (35) | 21.0 μg/m3 (69) | 69.0 | |
| April 3, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 21.0 ppb (16) | 1.56 ppb (17) | 41.0 μg/m3 (37) | 25.6 μg/m3 (79) | 79.0 | |
| April 3, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 29.0 ppb (22) | 1.55 ppb (17) | 53.0 μg/m3 (48) | 28.9 μg/m3 (86) | 86.0 | |
| April 3, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 29.0 ppb (22) | N/A | N/A | 26.2 μg/m3 (80) | 80.0 | |
| April 3, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 36.0 ppb (28) | 1.6 ppb (18) | 76.0 μg/m3 (60) | 34.5 μg/m3 (98) | 98.0 | |
| April 3, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 32.0 ppb (25) | 1.82 ppb (20) | 87.0 μg/m3 (66) | 37.1 μg/m3 (104) | 104.0 | |
| April 3, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 35.0 ppb (27) | 1.82 ppb (20) | 82.0 μg/m3 (64) | 48.9 μg/m3 (134) | 134.0 | |
| April 3, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 53.0 ppb (41) | 1.55 ppb (17) | 48.0 μg/m3 (44) | 20.3 μg/m3 (68) | 68.0 | |
| April 3, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 59.0 ppb (45) | 1.53 ppb (17) | 31.0 μg/m3 (28) | 12.9 μg/m3 (52) | 52.0 | |
| April 2, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 57.0 ppb (44) | 1.52 ppb (17) | 28.0 μg/m3 (25) | 14.8 μg/m3 (56) | 56.0 | |
| April 2, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 56.0 ppb (43) | 1.55 ppb (17) | 19.0 μg/m3 (17) | 28.5 μg/m3 (85) | 85.0 | |
| April 2, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 57.0 ppb (44) | 1.56 ppb (17) | N/A | N/A | 44.0 | |
| April 2, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 55.0 ppb (42) | 1.64 ppb (18) | 160.0 μg/m3 (102) | 24.4 μg/m3 (76) | 102.0 | |
| April 2, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 54.0 ppb (42) | 1.52 ppb (17) | 86.0 μg/m3 (66) | 19.2 μg/m3 (65) | 66.0 | |
| April 2, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 52.0 ppb (40) | 1.57 ppb (17) | 23.0 μg/m3 (21) | 18.5 μg/m3 (64) | 64.0 | |
| April 2, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 51.0 ppb (39) | 1.54 ppb (17) | 20.0 μg/m3 (18) | 18.4 μg/m3 (64) | 64.0 | |
| April 2, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 39.0 ppb (30) | 1.61 ppb (18) | 26.0 μg/m3 (24) | 24.1 μg/m3 (76) | 76.0 | |
| April 2, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 29.0 ppb (22) | 1.63 ppb (18) | 27.0 μg/m3 (25) | 10.0 μg/m3 (42) | 42.0 | |
| April 2, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 17.0 ppb (13) | 1.66 ppb (18) | 42.0 μg/m3 (38) | 11.6 μg/m3 (48) | 48.0 | |
| April 2, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 19.0 ppb (15) | 1.58 ppb (18) | 25.0 μg/m3 (23) | 12.3 μg/m3 (51) | 51.0 | |
| April 2, 2020, noon | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 21.0 ppb (16) | 1.49 ppb (17) | 29.0 μg/m3 (26) | 21.3 μg/m3 (70) | 70.0 | |
| April 2, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 21.0 ppb (16) | 1.49 ppb (17) | 22.0 μg/m3 (20) | 33.9 μg/m3 (97) | 97.0 | |
| April 2, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 25.0 ppb (19) | 1.49 ppb (17) | 26.0 μg/m3 (24) | 17.2 μg/m3 (61) | 61.0 | |
| April 2, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 26.0 ppb (20) | 1.51 ppb (17) | 32.0 μg/m3 (29) | 24.9 μg/m3 (77) | 77.0 | |
| April 2, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 25.0 ppb (36) | 29.0 ppb (22) | 1.5 ppb (17) | 37.0 μg/m3 (34) | 24.5 μg/m3 (77) | 77.0 | |
| April 2, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 29.0 ppb (22) | 1.54 ppb (17) | 55.0 μg/m3 (50) | 42.1 μg/m3 (116) | 116.0 | |
| April 2, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 30.0 ppb (23) | 1.61 ppb (18) | 50.0 μg/m3 (45) | 21.7 μg/m3 (71) | 71.0 | |
| April 2, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (22) | N/A | N/A | 52.2 μg/m3 (142) | 142.0 | |
| April 2, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 34.0 ppb (26) | 1.61 ppb (18) | 56.0 μg/m3 (50) | 27.1 μg/m3 (82) | 82.0 | |
| April 2, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 42.0 ppb (32) | 1.61 ppb (18) | 61.0 μg/m3 (53) | N/A | 53.0 | |
| April 2, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 47.0 ppb (36) | 1.63 ppb (18) | 78.0 μg/m3 (62) | 24.8 μg/m3 (77) | 77.0 | |
| April 2, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 56.0 ppb (43) | 1.6 ppb (18) | 63.0 μg/m3 (54) | 15.6 μg/m3 (58) | 58.0 | |
| April 2, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 60.0 ppb (46) | 1.54 ppb (17) | 42.0 μg/m3 (38) | 16.8 μg/m3 (60) | 60.0 | |
| April 1, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 59.0 ppb (45) | 1.55 ppb (17) | 29.0 μg/m3 (26) | 18.3 μg/m3 (63) | 63.0 | |
| April 1, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 56.0 ppb (43) | 1.6 ppb (18) | 16.0 μg/m3 (15) | 14.9 μg/m3 (56) | 56.0 | |
| April 1, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 58.0 ppb (45) | 1.59 ppb (18) | 10.0 μg/m3 (9) | 22.6 μg/m3 (73) | 73.0 | |
| April 1, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 56.0 ppb (43) | 1.61 ppb (18) | 10.0 μg/m3 (9) | 29.6 μg/m3 (87) | 87.0 | |
| April 1, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 55.0 ppb (42) | 1.57 ppb (17) | 45.0 μg/m3 (41) | 34.9 μg/m3 (99) | 99.0 | |
| April 1, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 50.0 ppb (38) | 1.62 ppb (18) | 33.0 μg/m3 (30) | 43.5 μg/m3 (120) | 120.0 | |
| April 1, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (31) | 40.0 ppb (31) | 1.7 ppb (19) | 36.0 μg/m3 (33) | 39.8 μg/m3 (111) | 111.0 | |
| April 1, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 31.0 ppb (24) | 1.76 ppb (20) | 57.0 μg/m3 (51) | 57.1 μg/m3 (151) | 151.0 | |
| April 1, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (34) | 14.0 ppb (11) | 1.92 ppb (21) | 85.0 μg/m3 (65) | 50.0 μg/m3 (136) | 136.0 | |
| April 1, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 4.0 ppb (3) | 1.92 ppb (21) | 59.0 μg/m3 (52) | 28.8 μg/m3 (86) | 86.0 | |
| April 1, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 20.0 ppb (15) | 1.67 ppb (19) | 36.0 μg/m3 (33) | 28.8 μg/m3 (86) | 86.0 | |
| April 1, 2020, noon | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 28.0 ppb (22) | 1.56 ppb (17) | 40.0 μg/m3 (36) | 27.4 μg/m3 (83) | 83.0 | |
| April 1, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 30.0 ppb (23) | 1.54 ppb (17) | 36.0 μg/m3 (33) | 33.3 μg/m3 (95) | 95.0 | |
| April 1, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 32.0 ppb (25) | 1.53 ppb (17) | 37.0 μg/m3 (34) | 36.7 μg/m3 (103) | 103.0 | |
| April 1, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 33.0 ppb (25) | 1.53 ppb (17) | 41.0 μg/m3 (37) | 19.0 μg/m3 (65) | 65.0 | |
| April 1, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 36.0 ppb (28) | 1.54 ppb (17) | 48.0 μg/m3 (44) | 27.1 μg/m3 (82) | 82.0 | |
| April 1, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 34.0 ppb (26) | 1.56 ppb (17) | 53.0 μg/m3 (48) | 30.4 μg/m3 (89) | 89.0 | |
| April 1, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 37.0 ppb (28) | 1.57 ppb (17) | 123.0 μg/m3 (84) | 32.8 μg/m3 (94) | 94.0 | |
| April 1, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (40) | 31.0 ppb (24) | 1.68 ppb (19) | 83.0 μg/m3 (64) | 37.2 μg/m3 (104) | 104.0 | |
| April 1, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 55.0 ppb (59) | 36.0 ppb (28) | 1.86 ppb (21) | 120.0 μg/m3 (82) | 53.3 μg/m3 (144) | 144.0 | |
| April 1, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 30.0 ppb (43) | 47.0 ppb (36) | 2.48 ppb (28) | 118.0 μg/m3 (82) | 23.7 μg/m3 (75) | 82.0 | |
| April 1, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 54.0 ppb (42) | 1.62 ppb (18) | 56.0 μg/m3 (50) | 23.8 μg/m3 (75) | 75.0 | |
| April 1, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 22.0 ppb (31) | 56.0 ppb (43) | 1.67 ppb (19) | 41.0 μg/m3 (37) | 24.2 μg/m3 (76) | 76.0 | |
| March 31, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 56.0 ppb (43) | 1.63 ppb (18) | 35.0 μg/m3 (32) | 14.2 μg/m3 (55) | 55.0 | |
| March 31, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 57.0 ppb (44) | 1.65 ppb (18) | 31.0 μg/m3 (28) | 11.5 μg/m3 (48) | 48.0 | |
| March 31, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (33) | 57.0 ppb (44) | 1.64 ppb (18) | 9.0 μg/m3 (8) | 21.2 μg/m3 (70) | 70.0 | |
| March 31, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (40) | 59.0 ppb (45) | 1.62 ppb (18) | 12.0 μg/m3 (11) | 20.9 μg/m3 (69) | 69.0 | |
| March 31, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 52.0 ppb (40) | 1.59 ppb (18) | 28.0 μg/m3 (25) | 19.0 μg/m3 (65) | 65.0 | |
| March 31, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 49.0 ppb (38) | 1.57 ppb (17) | 20.0 μg/m3 (18) | 30.3 μg/m3 (89) | 89.0 | |
| March 31, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 46.0 ppb (35) | 1.57 ppb (17) | 22.0 μg/m3 (20) | 17.1 μg/m3 (61) | 61.0 | |
| March 31, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 38.0 ppb (29) | 1.62 ppb (18) | 28.0 μg/m3 (25) | 17.3 μg/m3 (61) | 61.0 | |
| March 31, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 27.0 ppb (21) | 1.64 ppb (18) | 40.0 μg/m3 (36) | 21.6 μg/m3 (70) | 70.0 | |
| March 31, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 15.0 ppb (12) | 1.71 ppb (19) | 45.0 μg/m3 (41) | 7.8 μg/m3 (32) | 41.0 | |
| March 31, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 9.0 ppb (7) | 1.61 ppb (18) | 40.0 μg/m3 (36) | 4.6 μg/m3 (19) | 36.0 | |
| March 31, 2020, noon | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 17.0 ppb (13) | 1.51 ppb (17) | 30.0 μg/m3 (27) | 17.3 μg/m3 (61) | 61.0 | |
| March 31, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 24.0 ppb (18) | 1.49 ppb (17) | 27.0 μg/m3 (25) | 12.0 μg/m3 (50) | 50.0 | |
| March 31, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 27.0 ppb (21) | 1.49 ppb (17) | 25.0 μg/m3 (23) | 12.0 μg/m3 (50) | 50.0 | |
| March 31, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 29.0 ppb (22) | 1.48 ppb (16) | 25.0 μg/m3 (23) | 14.4 μg/m3 (55) | 55.0 | |
| March 31, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 24.0 ppb (18) | 1.5 ppb (17) | 39.0 μg/m3 (35) | 12.5 μg/m3 (51) | 51.0 | |
| March 31, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 21.0 ppb (16) | 1.54 ppb (17) | 38.0 μg/m3 (35) | 12.1 μg/m3 (50) | 50.0 | |
| March 31, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 12.0 ppb (17) | 28.0 ppb (22) | 1.51 ppb (17) | 37.0 μg/m3 (34) | 13.9 μg/m3 (54) | 54.0 | |
| March 31, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 29.0 ppb (22) | 1.54 ppb (17) | 58.0 μg/m3 (52) | 26.1 μg/m3 (80) | 80.0 | |
| March 31, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 13.0 ppb (19) | 28.0 ppb (22) | 1.75 ppb (19) | 93.0 μg/m3 (69) | 34.7 μg/m3 (98) | 98.0 | |
| March 31, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 6.0 ppb (5) | 2.22 ppb (25) | 92.0 μg/m3 (68) | 27.2 μg/m3 (82) | 82.0 | |
| March 31, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 39.0 ppb (30) | 1.87 ppb (21) | 65.0 μg/m3 (55) | 17.1 μg/m3 (61) | 61.0 | |
| March 31, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 60.0 ppb (46) | 1.58 ppb (18) | 50.0 μg/m3 (45) | 21.7 μg/m3 (71) | 71.0 | |
| March 31, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 61.0 ppb (47) | 1.56 ppb (17) | 40.0 μg/m3 (36) | 17.5 μg/m3 (62) | 62.0 | |
| March 30, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 62.0 ppb (48) | 1.6 ppb (18) | 29.0 μg/m3 (26) | 21.3 μg/m3 (70) | 70.0 | |
| March 30, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 61.0 ppb (47) | 1.61 ppb (18) | 23.0 μg/m3 (21) | 20.4 μg/m3 (68) | 68.0 | |
| March 30, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 61.0 ppb (47) | 1.65 ppb (18) | 14.0 μg/m3 (13) | 25.4 μg/m3 (79) | 79.0 | |
| March 30, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 60.0 ppb (46) | 1.73 ppb (19) | 22.0 μg/m3 (20) | 29.6 μg/m3 (87) | 87.0 | |
| March 30, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 58.0 ppb (45) | 1.66 ppb (18) | 39.0 μg/m3 (35) | 39.9 μg/m3 (111) | 111.0 | |
| March 30, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (37) | 58.0 ppb (45) | 1.75 ppb (19) | 35.0 μg/m3 (32) | 32.2 μg/m3 (93) | 93.0 | |
| March 30, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 21.0 ppb (30) | 43.0 ppb (33) | 1.71 ppb (19) | 44.0 μg/m3 (40) | 32.8 μg/m3 (94) | 94.0 | |
| March 30, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 24.0 ppb (34) | 31.0 ppb (24) | 1.75 ppb (19) | 50.0 μg/m3 (45) | 51.3 μg/m3 (140) | 140.0 | |
| March 30, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 23.0 ppb (33) | 14.0 ppb (11) | 1.93 ppb (21) | 68.0 μg/m3 (56) | 47.1 μg/m3 (129) | 129.0 | |
| March 30, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 4.0 ppb (3) | 2.01 ppb (22) | 73.0 μg/m3 (59) | 43.3 μg/m3 (120) | 120.0 | |
| March 30, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 7.0 ppb (5) | 1.76 ppb (20) | 48.0 μg/m3 (44) | 33.9 μg/m3 (97) | 97.0 | |
| March 30, 2020, noon | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 29.0 ppb (22) | 1.58 ppb (18) | 36.0 μg/m3 (33) | 39.2 μg/m3 (109) | 109.0 | |
| March 30, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 33.0 ppb (25) | 1.56 ppb (17) | 38.0 μg/m3 (35) | 33.0 μg/m3 (95) | 95.0 | |
| March 30, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 20.0 ppb (29) | 28.0 ppb (22) | 1.54 ppb (17) | 39.0 μg/m3 (35) | 35.8 μg/m3 (101) | 101.0 | |
| March 30, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 29.0 ppb (22) | 1.55 ppb (17) | 39.0 μg/m3 (35) | 19.3 μg/m3 (66) | 66.0 | |
| March 30, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 32.0 ppb (25) | 1.55 ppb (17) | 41.0 μg/m3 (37) | 33.0 μg/m3 (95) | 95.0 | |
| March 30, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 37.0 ppb (28) | 1.57 ppb (17) | 48.0 μg/m3 (44) | 32.0 μg/m3 (93) | 93.0 | |
| March 30, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 36.0 ppb (28) | 1.58 ppb (18) | 62.0 μg/m3 (54) | 47.1 μg/m3 (129) | 129.0 | |
| March 30, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 33.0 ppb (25) | 1.62 ppb (18) | 87.0 μg/m3 (66) | 50.2 μg/m3 (137) | 137.0 | |
| March 30, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 34.0 ppb (26) | 1.66 ppb (18) | 151.0 μg/m3 (98) | 36.9 μg/m3 (104) | 104.0 | |
| March 30, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 34.0 ppb (26) | 1.7 ppb (19) | 134.0 μg/m3 (90) | 66.3 μg/m3 (156) | 156.0 | |
| March 30, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 36.0 ppb (28) | 1.84 ppb (20) | 93.0 μg/m3 (69) | 27.5 μg/m3 (83) | 83.0 | |
| March 30, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 57.0 ppb (44) | 1.73 ppb (19) | 59.0 μg/m3 (52) | 46.7 μg/m3 (128) | 128.0 | |
| March 30, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 60.0 ppb (46) | 1.68 ppb (19) | 40.0 μg/m3 (36) | 18.9 μg/m3 (65) | 65.0 | |
| March 29, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 59.0 ppb (45) | 1.66 ppb (18) | 27.0 μg/m3 (25) | 19.0 μg/m3 (65) | 65.0 | |
| March 29, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 60.0 ppb (46) | 1.69 ppb (19) | 31.0 μg/m3 (28) | 30.8 μg/m3 (90) | 90.0 | |
| March 29, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 59.0 ppb (45) | 1.73 ppb (19) | 24.0 μg/m3 (22) | 101.6 μg/m3 (174) | 174.0 | |
| March 29, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 59.0 ppb (45) | 1.73 ppb (19) | 30.0 μg/m3 (27) | 74.8 μg/m3 (160) | 160.0 | |
| March 29, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 56.0 ppb (43) | 1.78 ppb (20) | 61.0 μg/m3 (53) | 66.6 μg/m3 (156) | 156.0 | |
| March 29, 2020, 6 p.m. | N/A | N/A | N/A | N/A | N/A | 18.0 ppb (26) | 49.0 ppb (38) | 1.81 ppb (20) | 44.0 μg/m3 (40) | 38.6 μg/m3 (108) | 108.0 | |
| March 29, 2020, 5 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 46.0 ppb (35) | 1.74 ppb (19) | 58.0 μg/m3 (52) | 52.7 μg/m3 (143) | 143.0 | |
| March 29, 2020, 4 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 41.0 ppb (32) | 1.78 ppb (20) | 64.0 μg/m3 (54) | 36.1 μg/m3 (102) | 102.0 | |
| March 29, 2020, 3 p.m. | N/A | N/A | N/A | N/A | N/A | 17.0 ppb (24) | 35.0 ppb (27) | 1.73 ppb (19) | 60.0 μg/m3 (52) | 34.9 μg/m3 (99) | 99.0 | |
| March 29, 2020, 2 p.m. | N/A | N/A | N/A | N/A | N/A | 26.0 ppb (37) | 30.0 ppb (23) | 1.7 ppb (19) | 63.0 μg/m3 (54) | 34.3 μg/m3 (97) | 97.0 | |
| March 29, 2020, 1 p.m. | N/A | N/A | N/A | N/A | N/A | 32.0 ppb (46) | 28.0 ppb (22) | 1.6 ppb (18) | 54.0 μg/m3 (49) | 30.8 μg/m3 (90) | 90.0 | |
| March 29, 2020, noon | N/A | N/A | N/A | N/A | N/A | 28.0 ppb (40) | 28.0 ppb (22) | 1.55 ppb (17) | 53.0 μg/m3 (48) | 36.1 μg/m3 (102) | 102.0 | |
| March 29, 2020, 11 a.m. | N/A | N/A | N/A | N/A | N/A | 19.0 ppb (27) | 31.0 ppb (24) | 1.54 ppb (17) | 47.0 μg/m3 (43) | 47.6 μg/m3 (130) | 130.0 | |
| March 29, 2020, 10 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 27.0 ppb (21) | 1.59 ppb (18) | 39.0 μg/m3 (35) | 21.2 μg/m3 (70) | 70.0 | |
| March 29, 2020, 9 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 22.0 ppb (17) | 1.64 ppb (18) | 46.0 μg/m3 (42) | 19.6 μg/m3 (66) | 66.0 | |
| March 29, 2020, 8 a.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 9.0 ppb (7) | 1.7 ppb (19) | 66.0 μg/m3 (56) | 31.7 μg/m3 (92) | 92.0 | |
| March 29, 2020, 7 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 11.0 ppb (8) | 1.78 ppb (20) | 50.0 μg/m3 (45) | 6.3 μg/m3 (26) | 45.0 | |
| March 29, 2020, 6 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 21.0 ppb (16) | 1.73 ppb (19) | 49.0 μg/m3 (45) | 16.6 μg/m3 (60) | 60.0 | |
| March 29, 2020, 5 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 29.0 ppb (22) | 1.54 ppb (17) | 65.0 μg/m3 (55) | 23.4 μg/m3 (74) | 74.0 | |
| March 29, 2020, 4 a.m. | N/A | N/A | N/A | N/A | N/A | 14.0 ppb (20) | 31.0 ppb (24) | 1.66 ppb (18) | 89.0 μg/m3 (67) | 28.3 μg/m3 (85) | 85.0 | |
| March 29, 2020, 3 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 19.0 ppb (15) | 2.28 ppb (25) | 100.0 μg/m3 (72) | 21.6 μg/m3 (70) | 72.0 | |
| March 29, 2020, 2 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 36.0 ppb (28) | 1.85 ppb (21) | 69.0 μg/m3 (57) | 12.7 μg/m3 (51) | 57.0 | |
| March 29, 2020, 1 a.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 51.0 ppb (39) | 1.55 ppb (17) | 111.0 μg/m3 (78) | 9.2 μg/m3 (38) | 78.0 | |
| March 29, 2020, midnight | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 55.0 ppb (42) | 1.51 ppb (17) | 60.0 μg/m3 (52) | 8.4 μg/m3 (35) | 52.0 | |
| March 28, 2020, 11 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 53.0 ppb (41) | 1.5 ppb (17) | 25.0 μg/m3 (23) | 12.0 μg/m3 (50) | 50.0 | |
| March 28, 2020, 10 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 53.0 ppb (41) | 1.54 ppb (17) | 14.0 μg/m3 (13) | 13.0 μg/m3 (52) | 52.0 | |
| March 28, 2020, 9 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 53.0 ppb (41) | 1.51 ppb (17) | 15.0 μg/m3 (14) | 10.4 μg/m3 (43) | 43.0 | |
| March 28, 2020, 8 p.m. | N/A | N/A | N/A | N/A | N/A | 15.0 ppb (21) | 47.0 ppb (36) | 1.58 ppb (18) | 44.0 μg/m3 (40) | 16.5 μg/m3 (60) | 60.0 | |
| March 28, 2020, 7 p.m. | N/A | N/A | N/A | N/A | N/A | 16.0 ppb (23) | 45.0 ppb (35) | 1.59 ppb (18) | 170.0 μg/m3 (108) | 21.3 μg/m3 (70) | 108.0 |