ID: 2551

AQSQID: 80011G009

Site Name: Estaci¢N Hospital General

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 17, 2021, 11:31 a.m.

Location: Silao (Miguel Hidalgo), MX

Reporting: True, Located: True

Current AQI: 77.0

Silao (Miguel Hidalgo) MX, MX: 20.9479, -101.4258

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 106.0 μg/m3 (77) N/A 77.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 79.2 μg/m3 (63) N/A 63.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (6) N/A 128.6 μg/m3 (88) N/A 88.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 3.0 ppb (3) N/A 115.1 μg/m3 (81) N/A 81.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 103.9 μg/m3 (76) N/A 76.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (13) N/A 145.3 μg/m3 (96) N/A 96.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) N/A 155.4 μg/m3 (102) N/A 102.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 8.0 ppb (8) N/A 114.5 μg/m3 (81) N/A 81.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 17.0 ppb (16) N/A 84.3 μg/m3 (66) N/A 66.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (35) N/A 48.1 μg/m3 (45) N/A 45.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 51.0 ppb (48) N/A 49.2 μg/m3 (46) N/A 48.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 55.0 ppb (51) N/A 59.8 μg/m3 (54) N/A 54.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 58.0 ppb (61) N/A 43.2 μg/m3 (40) N/A 61.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 54.0 ppb (50) N/A 56.1 μg/m3 (52) N/A 52.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) N/A 55.7 μg/m3 (52) N/A 52.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) N/A 89.2 μg/m3 (68) N/A 68.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 32.0 ppb (30) N/A 136.6 μg/m3 (92) N/A 92.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) N/A 159.9 μg/m3 (104) N/A 104.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 1.0 ppb (1) N/A 168.7 μg/m3 (108) N/A 108.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 1.0 ppb (1) N/A 192.8 μg/m3 (120) N/A 120.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 144.5 μg/m3 (96) N/A 96.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 83.4 μg/m3 (66) N/A 66.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 115.5 μg/m3 (81) N/A 81.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 105.4 μg/m3 (76) N/A 76.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 115.9 μg/m3 (82) N/A 82.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (4) N/A 113.0 μg/m3 (80) N/A 80.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 127.5 μg/m3 (87) N/A 87.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (5) N/A 79.8 μg/m3 (64) N/A 64.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) N/A 121.7 μg/m3 (85) N/A 85.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 139.8 μg/m3 (93) N/A 93.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 174.9 μg/m3 (111) N/A 111.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 165.4 μg/m3 (107) N/A 107.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A N/A N/A 10.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (19) N/A 50.2 μg/m3 (47) N/A 47.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 46.0 ppb (43) N/A 40.1 μg/m3 (38) N/A 43.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 52.0 ppb (49) N/A 40.7 μg/m3 (38) N/A 49.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) N/A 42.9 μg/m3 (40) N/A 50.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 53.0 ppb (50) N/A 43.0 μg/m3 (40) N/A 50.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 48.0 ppb (45) N/A 60.7 μg/m3 (54) N/A 54.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) N/A 69.9 μg/m3 (59) N/A 59.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 35.0 ppb (33) N/A 102.8 μg/m3 (75) N/A 75.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 17.0 ppb (16) N/A 158.5 μg/m3 (103) N/A 103.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) N/A 234.9 μg/m3 (141) N/A 141.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 1.0 ppb (1) N/A 221.9 μg/m3 (135) N/A 135.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 128.9 μg/m3 (88) N/A 88.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 71.7 μg/m3 (60) N/A 60.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 42.4 μg/m3 (40) N/A 40.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 44.7 μg/m3 (42) N/A 42.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 90.8 μg/m3 (69) N/A 69.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 117.3 μg/m3 (82) N/A 82.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 75.3 μg/m3 (62) N/A 62.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 121.6 μg/m3 (84) N/A 84.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 106.9 μg/m3 (77) N/A 77.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 141.0 μg/m3 (94) N/A 94.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 153.0 μg/m3 (100) N/A 100.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 138.8 μg/m3 (93) N/A 93.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (4) N/A 93.6 μg/m3 (71) N/A 71.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (22) N/A 50.9 μg/m3 (48) N/A 48.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (38) N/A 49.0 μg/m3 (46) N/A 46.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (36) N/A 57.7 μg/m3 (53) N/A 53.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (34) N/A 61.6 μg/m3 (55) N/A 55.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 34.0 ppb (32) N/A 50.4 μg/m3 (47) N/A 47.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 27.0 ppb (25) N/A 87.4 μg/m3 (68) N/A 68.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 22.0 ppb (21) N/A 72.3 μg/m3 (60) N/A 60.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) N/A 100.6 μg/m3 (74) N/A 74.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 11.0 ppb (11) N/A 233.0 μg/m3 (140) N/A 140.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 194.1 μg/m3 (121) N/A 121.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 119.7 μg/m3 (84) N/A 84.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 117.7 μg/m3 (83) N/A 83.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 59.2 μg/m3 (54) N/A 54.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 71.2 μg/m3 (60) N/A 60.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 51.8 μg/m3 (48) N/A 48.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (5) N/A 51.6 μg/m3 (48) N/A 48.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (4) N/A 140.9 μg/m3 (94) N/A 94.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 140.9 μg/m3 (94) N/A 94.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 150.6 μg/m3 (99) N/A 99.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (4) N/A 60.3 μg/m3 (54) N/A 54.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 8.0 ppb (8) N/A 97.4 μg/m3 (72) N/A 72.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 5.0 ppb (5) N/A 147.9 μg/m3 (97) N/A 97.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 138.0 μg/m3 (93) N/A 93.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) N/A 97.1 μg/m3 (72) N/A 72.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (17) N/A 64.0 μg/m3 (56) N/A 56.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) N/A 42.1 μg/m3 (39) N/A 39.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 37.0 ppb (35) N/A 47.8 μg/m3 (45) N/A 45.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 42.0 ppb (39) N/A 38.9 μg/m3 (37) N/A 39.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (36) N/A 39.4 μg/m3 (37) N/A 37.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (36) N/A 33.7 μg/m3 (32) N/A 36.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 67.4 μg/m3 (58) N/A 58.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) N/A 81.5 μg/m3 (65) N/A 65.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) N/A 101.2 μg/m3 (74) N/A 74.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 164.4 μg/m3 (106) N/A 106.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 85.4 μg/m3 (67) N/A 67.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 100.6 μg/m3 (74) N/A 74.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 85.0 μg/m3 (66) N/A 66.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 119.5 μg/m3 (83) N/A 83.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 106.2 μg/m3 (77) N/A 77.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 129.0 μg/m3 (88) N/A 88.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 79.7 μg/m3 (64) N/A 64.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 81.6 μg/m3 (65) N/A 65.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 108.5 μg/m3 (78) N/A 78.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 134.6 μg/m3 (91) N/A 91.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 100.0 μg/m3 (74) N/A 74.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) N/A 99.4 μg/m3 (73) N/A 73.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) N/A 101.0 μg/m3 (74) N/A 74.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) N/A 104.6 μg/m3 (76) N/A 76.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (21) N/A 46.1 μg/m3 (43) N/A 43.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (28) N/A 31.6 μg/m3 (30) N/A 30.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 32.0 ppb (30) N/A 27.3 μg/m3 (26) N/A 30.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) N/A 33.5 μg/m3 (32) N/A 32.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (27) N/A 25.5 μg/m3 (24) N/A 27.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (27) N/A 26.9 μg/m3 (25) N/A 27.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 25.0 ppb (24) N/A 28.7 μg/m3 (27) N/A 27.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 24.0 ppb (23) N/A 60.3 μg/m3 (54) N/A 54.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 11.0 ppb (11) N/A 144.6 μg/m3 (96) N/A 96.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 1.0 ppb (1) N/A 270.6 μg/m3 (159) N/A 159.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) N/A 206.9 μg/m3 (127) N/A 127.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) N/A 100.2 μg/m3 (74) N/A 74.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 53.3 μg/m3 (50) N/A 50.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 39.5 μg/m3 (37) N/A 37.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 39.2 μg/m3 (37) N/A 37.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 68.6 μg/m3 (58) N/A 58.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 73.6 μg/m3 (61) N/A 61.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) N/A 56.1 μg/m3 (52) N/A 52.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) N/A 51.3 μg/m3 (48) N/A 48.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 4.0 ppb (4) N/A 47.7 μg/m3 (45) N/A 45.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 13.0 ppb (13) N/A 63.5 μg/m3 (56) N/A 56.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (14) N/A 75.4 μg/m3 (62) N/A 62.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (14) N/A 90.5 μg/m3 (69) N/A 69.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (14) N/A 91.3 μg/m3 (69) N/A 69.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (24) N/A 33.9 μg/m3 (32) N/A 32.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (33) N/A 28.7 μg/m3 (27) N/A 33.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 31.0 ppb (29) N/A 35.3 μg/m3 (33) N/A 33.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 33.0 ppb (31) N/A 42.5 μg/m3 (40) N/A 40.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 34.0 ppb (32) N/A 51.4 μg/m3 (48) N/A 48.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 38.0 ppb (36) N/A N/A N/A 36.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A N/A N/A 10.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A N/A N/A 10.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A N/A N/A 10.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A N/A N/A 9.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A N/A N/A 9.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 42.6 μg/m3 (40) N/A 40.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 37.6 μg/m3 (35) N/A 35.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 43.7 μg/m3 (41) N/A 41.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 71.4 μg/m3 (60) N/A 60.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (3) N/A 77.2 μg/m3 (62) N/A 62.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 182.7 μg/m3 (115) N/A 115.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 109.6 μg/m3 (79) N/A 79.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 5.0 ppb (5) N/A 50.3 μg/m3 (47) N/A 47.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 20.0 ppb (19) N/A 50.9 μg/m3 (48) N/A 48.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (22) N/A 39.5 μg/m3 (37) N/A 37.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (28) N/A 23.9 μg/m3 (23) N/A 28.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) N/A 19.3 μg/m3 (18) N/A 31.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 34.0 ppb (32) N/A 19.2 μg/m3 (18) N/A 32.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (31) N/A 21.1 μg/m3 (20) N/A 31.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 31.0 ppb (29) N/A 23.1 μg/m3 (22) N/A 29.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 27.0 ppb (25) N/A 21.1 μg/m3 (20) N/A 25.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 23.0 ppb (22) N/A 30.2 μg/m3 (28) N/A 28.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 19.0 ppb (18) N/A 24.4 μg/m3 (23) N/A 23.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 18.0 ppb (17) N/A 43.8 μg/m3 (41) N/A 41.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (10) N/A 100.0 μg/m3 (74) N/A 74.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 75.0 μg/m3 (61) N/A 61.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 61.4 μg/m3 (55) N/A 55.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 36.2 μg/m3 (34) N/A 34.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A 6.0 ppb (9) 1.0 ppb (1) N/A 42.0 μg/m3 (39) N/A 39.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 24.3 μg/m3 (23) N/A 23.0