AQSQID: 80011G009

Site Name: Estaci¢N Hospital General

Location: Silao (Miguel Hidalgo), MX

Reporting: True, Located: True

Current AQI: 111.0

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. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) N/A 79.0 μg/m3 (62) 39.8 μg/m3 (111) 111.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) N/A 72.0 μg/m3 (58) 26.5 μg/m3 (81) 81.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (28) N/A 62.0 μg/m3 (54) 29.7 μg/m3 (88) 88.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 45.0 ppb (35) N/A 46.0 μg/m3 (42) 24.7 μg/m3 (77) 77.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 50.0 ppb (38) N/A 46.0 μg/m3 (42) 23.4 μg/m3 (74) 74.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 55.0 ppb (42) N/A 66.0 μg/m3 (56) 23.6 μg/m3 (75) 75.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 51.0 ppb (39) N/A 83.0 μg/m3 (64) 13.3 μg/m3 (53) 64.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 48.0 ppb (37) N/A 49.0 μg/m3 (45) 27.3 μg/m3 (83) 83.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 51.0 ppb (39) N/A 56.0 μg/m3 (50) 35.0 μg/m3 (99) 99.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) N/A N/A 25.8 μg/m3 (79) 79.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 32.0 ppb (25) N/A 81.0 μg/m3 (63) 36.1 μg/m3 (102) 102.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) N/A 108.0 μg/m3 (76) 55.4 μg/m3 (150) 150.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 5.0 ppb (4) N/A 163.0 μg/m3 (104) 79.0 μg/m3 (162) 162.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A N/A 73.5 μg/m3 (159) 159.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 115.0 μg/m3 (80) 61.6 μg/m3 (153) 153.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 56.0 μg/m3 (50) 45.7 μg/m3 (126) 126.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 52.0 μg/m3 (47) 34.8 μg/m3 (99) 99.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (6) N/A 58.0 μg/m3 (52) 30.4 μg/m3 (89) 89.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 88.0 μg/m3 (66) 38.4 μg/m3 (107) 107.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) N/A 139.0 μg/m3 (92) 58.2 μg/m3 (151) 151.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 98.0 μg/m3 (72) 75.3 μg/m3 (160) 160.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (5) N/A 122.0 μg/m3 (84) 60.1 μg/m3 (152) 152.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) N/A 73.0 μg/m3 (59) 43.8 μg/m3 (121) 121.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 9.0 ppb (7) N/A 112.0 μg/m3 (78) 52.4 μg/m3 (142) 142.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 2.0 ppb (2) N/A 141.0 μg/m3 (93) 48.0 μg/m3 (131) 131.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 3.0 ppb (2) N/A 66.0 μg/m3 (56) 46.8 μg/m3 (128) 128.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (25) N/A 21.0 μg/m3 (19) 24.5 μg/m3 (77) 77.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (41) N/A 42.0 μg/m3 (38) 22.3 μg/m3 (72) 72.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 61.0 ppb (47) N/A 45.0 μg/m3 (41) 31.3 μg/m3 (91) 91.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 60.0 ppb (46) N/A 49.0 μg/m3 (45) 31.4 μg/m3 (91) 91.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 53.0 ppb (41) N/A 36.0 μg/m3 (33) 30.3 μg/m3 (89) 89.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) N/A 35.0 μg/m3 (32) 19.7 μg/m3 (66) 66.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 37.0 ppb (28) N/A 36.0 μg/m3 (33) 20.9 μg/m3 (69) 69.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) N/A 30.0 μg/m3 (27) 19.0 μg/m3 (65) 65.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) N/A 40.0 μg/m3 (36) 14.9 μg/m3 (56) 56.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 14.0 ppb (11) N/A 84.0 μg/m3 (64) 17.3 μg/m3 (61) 64.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) N/A 49.0 μg/m3 (45) 19.9 μg/m3 (67) 67.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 4.0 ppb (3) N/A 35.0 μg/m3 (32) 21.3 μg/m3 (70) 70.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 5.0 ppb (4) N/A 21.0 μg/m3 (19) 16.5 μg/m3 (60) 60.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 4.0 ppb (3) N/A 25.0 μg/m3 (23) 18.5 μg/m3 (64) 64.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 5.0 ppb (4) N/A 44.0 μg/m3 (40) 22.4 μg/m3 (72) 72.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 4.0 ppb (3) N/A 43.0 μg/m3 (39) 16.7 μg/m3 (60) 60.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 4.0 ppb (3) N/A 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 11.0 ppb (8) N/A 19.0 μg/m3 (17) 17.6 μg/m3 (62) 62.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 18.0 ppb (14) N/A 34.0 μg/m3 (31) 26.9 μg/m3 (82) 82.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) N/A 39.0 μg/m3 (35) 27.8 μg/m3 (84) 84.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) N/A 23.0 μg/m3 (21) 11.9 μg/m3 (50) 50.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) N/A 26.0 μg/m3 (24) 17.3 μg/m3 (61) 61.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) N/A 33.0 μg/m3 (30) 17.6 μg/m3 (62) 62.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 31.0 ppb (24) N/A 27.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 39.0 ppb (30) N/A 28.0 μg/m3 (25) 28.4 μg/m3 (85) 85.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 36.0 ppb (28) N/A 21.0 μg/m3 (19) 21.9 μg/m3 (71) 71.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (34) N/A 24.0 μg/m3 (22) 15.0 μg/m3 (56) 56.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 38.0 ppb (29) N/A 18.0 μg/m3 (16) 13.8 μg/m3 (54) 54.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 16.0 μg/m3 (15) 22.8 μg/m3 (73) 73.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) N/A 20.0 μg/m3 (18) 22.8 μg/m3 (73) 73.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (30) N/A 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 32.0 ppb (25) N/A 44.0 μg/m3 (40) 28.7 μg/m3 (86) 86.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (12) N/A 37.0 μg/m3 (34) 16.9 μg/m3 (60) 60.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 8.0 ppb (6) N/A 42.0 μg/m3 (38) N/A 38.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 8.0 ppb (6) N/A 18.0 μg/m3 (16) N/A 16.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) N/A 16.0 μg/m3 (15) N/A 15.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A 3.0 ppb (4) 16.0 ppb (12) N/A 9.0 μg/m3 (8) N/A 12.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 21.0 ppb (16) N/A 4.0 μg/m3 (4) N/A 16.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (15) N/A 6.0 μg/m3 (5) N/A 15.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) N/A 6.0 μg/m3 (5) N/A 21.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) 93.0 ppb (73) N/A 55.0 μg/m3 (50) 34.8 μg/m3 (99) 99.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 96.0 ppb (76) N/A 52.0 μg/m3 (47) 31.8 μg/m3 (92) 92.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 92.0 ppb (72) N/A 47.0 μg/m3 (43) 22.2 μg/m3 (72) 72.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 83.0 ppb (65) N/A 48.0 μg/m3 (44) 24.1 μg/m3 (76) 76.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (60) N/A 56.0 μg/m3 (50) 33.3 μg/m3 (95) 95.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (60) N/A 76.0 μg/m3 (60) 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 64.0 ppb (49) N/A 98.0 μg/m3 (72) 36.4 μg/m3 (102) 102.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 39.0 ppb (30) N/A 133.0 μg/m3 (89) 50.4 μg/m3 (137) 137.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 10.0 ppb (8) N/A 131.0 μg/m3 (88) 48.5 μg/m3 (132) 132.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 3.0 ppb (2) N/A 168.0 μg/m3 (106) 47.7 μg/m3 (130) 130.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 2.0 ppb (2) N/A 104.0 μg/m3 (74) 49.7 μg/m3 (136) 136.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 2.0 ppb (2) N/A 90.0 μg/m3 (68) 42.3 μg/m3 (117) 117.0
 
Jan. 13, 2020, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 6.0 ppb (5) N/A 52.0 μg/m3 (47) 45.1 μg/m3 (124) 124.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 20.0 ppb (15) N/A 68.0 μg/m3 (56) 59.9 μg/m3 (152) 152.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) N/A 75.0 μg/m3 (60) 53.5 μg/m3 (145) 145.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) N/A 104.0 μg/m3 (74) 64.8 μg/m3 (155) 155.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 10.0 ppb (8) N/A 70.0 μg/m3 (58) 59.5 μg/m3 (152) 152.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 109.0 μg/m3 (77) 48.6 μg/m3 (133) 133.0
 
Jan. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) N/A 71.0 μg/m3 (58) 59.0 μg/m3 (152) 152.0
 
Jan. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (2) N/A 157.0 μg/m3 (101) 86.6 μg/m3 (166) 166.0
 
Jan. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 2.0 ppb (2) N/A 132.0 μg/m3 (88) 67.9 μg/m3 (157) 157.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 15.0 ppb (12) N/A 74.0 μg/m3 (60) 104.7 μg/m3 (176) 176.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) N/A 50.0 μg/m3 (45) 74.8 μg/m3 (160) 160.0
 
Jan. 13, 2020, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 70.0 ppb (54) N/A 38.0 μg/m3 (35) 36.3 μg/m3 (102) 102.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 73.0 ppb (57) N/A 48.0 μg/m3 (44) 53.9 μg/m3 (146) 146.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 76.0 ppb (59) N/A 52.0 μg/m3 (47) 64.4 μg/m3 (155) 155.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 75.0 ppb (58) N/A 58.0 μg/m3 (52) 254.2 μg/m3 (304) 304.0
 
Jan. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 63.0 ppb (48) N/A 58.0 μg/m3 (52) 90.3 μg/m3 (168) 168.0
 
Jan. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 54.0 ppb (42) N/A 60.0 μg/m3 (52) 60.7 μg/m3 (153) 153.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 45.0 ppb (35) N/A 71.0 μg/m3 (58) 41.3 μg/m3 (114) 114.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 90.0 μg/m3 (68) 41.9 μg/m3 (116) 116.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 21.0 ppb (16) N/A 117.0 μg/m3 (81) 58.5 μg/m3 (152) 152.0
 
Jan. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 95.0 μg/m3 (70) 53.6 μg/m3 (145) 145.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 2.0 ppb (2) N/A 99.0 μg/m3 (72) 92.0 μg/m3 (169) 169.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) N/A 70.0 μg/m3 (58) 63.3 μg/m3 (154) 154.0
 
Jan. 12, 2020, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) N/A 54.0 μg/m3 (49) 43.8 μg/m3 (121) 121.0
 
Jan. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (8) N/A 63.0 μg/m3 (54) 28.2 μg/m3 (84) 84.0
 
Jan. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (5) N/A 59.0 μg/m3 (52) 39.4 μg/m3 (110) 110.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) N/A 53.0 μg/m3 (48) 23.8 μg/m3 (75) 75.0
 
Jan. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (18) N/A 94.0 μg/m3 (70) 49.2 μg/m3 (134) 134.0
 
Jan. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) N/A 139.0 μg/m3 (92) 81.7 μg/m3 (164) 164.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) N/A 135.0 μg/m3 (90) 73.2 μg/m3 (159) 159.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) N/A 97.0 μg/m3 (71) 46.1 μg/m3 (126) 126.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 20.0 ppb (15) N/A N/A 81.0 μg/m3 (163) 163.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A N/A 110.0 μg/m3 (78) 86.9 μg/m3 (167) 167.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) N/A 52.0 μg/m3 (47) 41.8 μg/m3 (116) 116.0
 
Jan. 12, 2020, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 80.0 ppb (62) N/A 53.0 μg/m3 (48) 28.6 μg/m3 (85) 85.0
 
Jan. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 81.0 ppb (63) N/A 51.0 μg/m3 (46) 32.5 μg/m3 (94) 94.0
 
Jan. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (60) N/A 44.0 μg/m3 (40) 24.2 μg/m3 (76) 76.0
 
Jan. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 77.0 ppb (60) N/A 43.0 μg/m3 (39) 25.1 μg/m3 (78) 78.0
 
Jan. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 73.0 ppb (57) N/A 46.0 μg/m3 (42) 26.7 μg/m3 (81) 81.0
 
Jan. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 63.0 ppb (48) N/A 58.0 μg/m3 (52) 39.9 μg/m3 (111) 111.0
 
Jan. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) N/A 88.0 μg/m3 (66) 59.9 μg/m3 (152) 152.0
 
Jan. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 30.0 ppb (23) N/A 116.0 μg/m3 (80) 66.8 μg/m3 (156) 156.0
 
Jan. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 10.0 ppb (8) N/A 130.0 μg/m3 (88) 47.6 μg/m3 (130) 130.0
 
Jan. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 2.0 ppb (2) N/A 179.0 μg/m3 (112) 65.5 μg/m3 (155) 155.0
 
Jan. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 128.0 μg/m3 (86) 59.4 μg/m3 (152) 152.0
 
Jan. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 88.0 μg/m3 (66) 51.8 μg/m3 (141) 141.0
 
Jan. 11, 2020, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 121.0 μg/m3 (83) 63.9 μg/m3 (154) 154.0
 
Jan. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 91.0 μg/m3 (68) 70.4 μg/m3 (158) 158.0
 
Jan. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 102.0 μg/m3 (74) 49.4 μg/m3 (135) 135.0
 
Jan. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 97.0 μg/m3 (71) 51.1 μg/m3 (139) 139.0
 
Jan. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 155.0 μg/m3 (100) 62.4 μg/m3 (154) 154.0
 
Jan. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 146.0 μg/m3 (96) 81.4 μg/m3 (164) 164.0
 
Jan. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 141.0 μg/m3 (93) 55.6 μg/m3 (150) 150.0
 
Jan. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 7.0 ppb (5) N/A 89.0 μg/m3 (67) 45.9 μg/m3 (126) 126.0
 
Jan. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) N/A 80.0 μg/m3 (62) 55.6 μg/m3 (150) 150.0
 
Jan. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) N/A 68.0 μg/m3 (56) 42.9 μg/m3 (118) 118.0
 
Jan. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 46.0 ppb (35) N/A 49.0 μg/m3 (45) 38.6 μg/m3 (108) 108.0
 
Jan. 11, 2020, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 57.0 ppb (44) N/A 39.0 μg/m3 (35) 30.2 μg/m3 (89) 89.0
 
Jan. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 60.0 ppb (46) N/A 47.0 μg/m3 (43) 36.2 μg/m3 (102) 102.0
 
Jan. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 61.0 ppb (47) N/A 66.0 μg/m3 (56) 65.4 μg/m3 (155) 155.0
 
Jan. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 65.0 ppb (50) N/A 50.0 μg/m3 (45) 23.0 μg/m3 (73) 73.0
 
Jan. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 60.0 ppb (46) N/A 46.0 μg/m3 (42) 30.0 μg/m3 (88) 88.0
 
Jan. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 62.0 ppb (48) N/A 42.0 μg/m3 (38) 31.3 μg/m3 (91) 91.0
 
Jan. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) N/A 81.0 μg/m3 (63) 72.3 μg/m3 (159) 159.0
 
Jan. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 18.0 ppb (14) N/A 140.0 μg/m3 (92) 47.1 μg/m3 (129) 129.0
 
Jan. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 147.0 μg/m3 (96) 54.8 μg/m3 (148) 148.0
 
Jan. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 196.0 μg/m3 (120) 70.6 μg/m3 (158) 158.0
 
Jan. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 1.0 ppb (1) N/A 136.0 μg/m3 (90) 92.5 μg/m3 (169) 169.0
 
Jan. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 3.0 ppb (2) N/A 70.0 μg/m3 (58) 53.6 μg/m3 (145) 145.0
 
Jan. 10, 2020, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 92.0 μg/m3 (68) 95.6 μg/m3 (171) 171.0
 
Jan. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 2.0 ppb (2) N/A 87.0 μg/m3 (66) N/A 66.0
 
Jan. 10, 2020, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 106.0 μg/m3 (76) 67.8 μg/m3 (156) 156.0
 
Jan. 10, 2020, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 142.0 μg/m3 (94) 81.2 μg/m3 (164) 164.0
 
Jan. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 3.0 ppb (2) N/A 149.0 μg/m3 (97) 179.1 μg/m3 (229) 229.0
 
Jan. 10, 2020, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 4.0 ppb (3) N/A 155.0 μg/m3 (100) 161.1 μg/m3 (211) 211.0
 
Jan. 10, 2020, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 4.0 ppb (3) N/A 105.0 μg/m3 (75) 48.4 μg/m3 (132) 132.0
 
Jan. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 12.0 ppb (9) N/A 217.0 μg/m3 (131) 66.2 μg/m3 (156) 156.0
 
Jan. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 3.0 ppb (2) N/A 143.0 μg/m3 (94) 62.9 μg/m3 (154) 154.0
 
Jan. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) N/A N/A 81.3 μg/m3 (164) 164.0
 
Jan. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 49.0 ppb (38) N/A 60.0 μg/m3 (52) 50.4 μg/m3 (137) 137.0
 
Jan. 10, 2020, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 72.0 ppb (56) N/A 52.0 μg/m3 (47) 30.2 μg/m3 (89) 89.0
 
Jan. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 78.0 ppb (61) N/A 57.0 μg/m3 (51) 29.3 μg/m3 (87) 87.0
 
Jan. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 82.0 ppb (64) N/A 70.0 μg/m3 (58) 24.7 μg/m3 (77) 77.0
 
Jan. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 86.0 ppb (68) N/A 64.0 μg/m3 (54) 24.8 μg/m3 (77) 77.0
 
Jan. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 91.0 ppb (72) N/A 70.0 μg/m3 (58) 34.6 μg/m3 (98) 98.0
 
Jan. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 78.0 ppb (61) N/A 77.0 μg/m3 (61) 34.1 μg/m3 (97) 97.0
 
Jan. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 62.0 ppb (48) N/A 97.0 μg/m3 (71) 39.7 μg/m3 (110) 110.0
 
Jan. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 35.0 ppb (27) N/A N/A 44.8 μg/m3 (123) 123.0
 
Jan. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 7.0 ppb (5) N/A 205.0 μg/m3 (125) 48.2 μg/m3 (132) 132.0
 
Jan. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 2.0 ppb (2) N/A 134.0 μg/m3 (90) 67.8 μg/m3 (156) 156.0