ID: 2557

AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

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

Updated: Jan. 20, 2021, 9:32 p.m.

Location: Celaya (Las Gorditas De Doña Chango), MX

Reporting: True, Located: True

Current AQI: 71.0

Celaya (Las Gorditas De Doña Chango) MX, MX: 20.537683, -100.83994

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 59.3 μg/m3 (54) 21.5 μg/m3 (71) 71.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 58.4 μg/m3 (53) 36.9 μg/m3 (105) 105.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 65.9 μg/m3 (57) 18.6 μg/m3 (65) 65.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 51.1 μg/m3 (48) 18.9 μg/m3 (66) 66.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 51.9 μg/m3 (49) 25.6 μg/m3 (80) 80.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 42.9 μg/m3 (40) 41.3 μg/m3 (116) 116.0
 
Jan. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 68.7 μg/m3 (58) 44.7 μg/m3 (124) 124.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 35.1 μg/m3 (33) 25.2 μg/m3 (79) 79.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 42.6 μg/m3 (40) 36.0 μg/m3 (103) 103.0
 
Jan. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 48.1 μg/m3 (45) 35.9 μg/m3 (102) 102.0
 
Jan. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 30.4 μg/m3 (29) 17.1 μg/m3 (62) 62.0
 
Jan. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 33.7 μg/m3 (32) 12.8 μg/m3 (53) 53.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 37.8 μg/m3 (35) 15.1 μg/m3 (58) 58.0
 
Jan. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 40.7 μg/m3 (38) 30.5 μg/m3 (90) 90.0
 
Jan. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 42.9 μg/m3 (40) 33.1 μg/m3 (96) 96.0
 
Jan. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 45.6 μg/m3 (43) 34.4 μg/m3 (98) 98.0
 
Jan. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 46.7 μg/m3 (44) 56.7 μg/m3 (152) 152.0
 
Jan. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 69.4 μg/m3 (59) 54.1 μg/m3 (147) 147.0
 
Jan. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 144.6 μg/m3 (96) 16.4 μg/m3 (61) 96.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 167.4 μg/m3 (108) 17.9 μg/m3 (64) 108.0
 
Jan. 20, 2021, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A N/A 10.0
 
Jan. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Jan. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 70.3 μg/m3 (59) 11.8 μg/m3 (50) 59.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 64.3 μg/m3 (56) 9.6 μg/m3 (40) 56.0
 
Jan. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 60.0 μg/m3 (54) 13.9 μg/m3 (55) 55.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 71.3 μg/m3 (60) 15.9 μg/m3 (59) 60.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 84.3 μg/m3 (66) 20.3 μg/m3 (69) 69.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 92.2 μg/m3 (70) 30.5 μg/m3 (90) 90.0
 
Jan. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 132.2 μg/m3 (90) 38.7 μg/m3 (109) 109.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 118.2 μg/m3 (83) 34.0 μg/m3 (98) 98.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 77.6 μg/m3 (63) 40.4 μg/m3 (114) 114.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 57.6 μg/m3 (53) 29.6 μg/m3 (88) 88.0
 
Jan. 19, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 91.3 μg/m3 (69) 41.6 μg/m3 (117) 117.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 73.0 μg/m3 (60) 29.1 μg/m3 (87) 87.0
 
Jan. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 104.8 μg/m3 (76) 39.6 μg/m3 (112) 112.0
 
Jan. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 86.2 μg/m3 (67) 35.4 μg/m3 (100) 100.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 85.2 μg/m3 (66) 23.4 μg/m3 (75) 75.0
 
Jan. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 71.8 μg/m3 (60) 22.8 μg/m3 (74) 74.0
 
Jan. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 67.6 μg/m3 (58) 13.8 μg/m3 (55) 58.0
 
Jan. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 90.7 μg/m3 (69) 21.4 μg/m3 (71) 71.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A 37.6 μg/m3 (107) 107.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 163.6 μg/m3 (106) 36.4 μg/m3 (104) 106.0
 
Jan. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 110.0 μg/m3 (79) 42.6 μg/m3 (119) 119.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 91.0 μg/m3 (69) 48.4 μg/m3 (133) 133.0
 
Jan. 19, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 70.2 μg/m3 (59) 11.3 μg/m3 (48) 59.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 71.4 μg/m3 (60) 8.2 μg/m3 (35) 60.0
 
Jan. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 80.4 μg/m3 (64) 12.4 μg/m3 (52) 64.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 75.9 μg/m3 (62) 15.2 μg/m3 (58) 62.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 53.1 μg/m3 (50) 11.1 μg/m3 (47) 50.0
 
Jan. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 46.6 μg/m3 (44) 8.9 μg/m3 (38) 44.0
 
Jan. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 57.0 μg/m3 (52) 12.9 μg/m3 (53) 53.0
 
Jan. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 89.0 μg/m3 (68) 21.7 μg/m3 (72) 72.0
 
Jan. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 71.2 μg/m3 (60) 12.4 μg/m3 (52) 60.0
 
Jan. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 59.7 μg/m3 (54) 25.8 μg/m3 (80) 80.0
 
Jan. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 46.6 μg/m3 (44) 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 36.7 μg/m3 (34) 12.5 μg/m3 (52) 52.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 32.3 μg/m3 (30) 12.0 μg/m3 (50) 50.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A 28.0 μg/m3 (26) 40.9 μg/m3 (115) 115.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 30.1 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 28.6 μg/m3 (27) 9.6 μg/m3 (40) 40.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 44.1 μg/m3 (41) 10.3 μg/m3 (43) 43.0
 
Jan. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 57.6 μg/m3 (53) 15.1 μg/m3 (58) 58.0
 
Jan. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 81.9 μg/m3 (65) 19.1 μg/m3 (66) 66.0
 
Jan. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 150.8 μg/m3 (99) 42.7 μg/m3 (119) 119.0
 
Jan. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 116.0 μg/m3 (82) 22.8 μg/m3 (74) 82.0
 
Jan. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 148.2 μg/m3 (98) 23.0 μg/m3 (74) 98.0
 
Jan. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
Jan. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 55.4 μg/m3 (52) 10.3 μg/m3 (43) 52.0
 
Jan. 18, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 54.4 μg/m3 (51) 7.9 μg/m3 (33) 51.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 66.6 μg/m3 (57) 9.3 μg/m3 (39) 57.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 81.0 μg/m3 (64) 11.7 μg/m3 (49) 64.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 78.4 μg/m3 (63) 8.2 μg/m3 (35) 63.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 68.7 μg/m3 (58) 12.2 μg/m3 (52) 58.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) N/A N/A 64.4 μg/m3 (56) 10.1 μg/m3 (43) 56.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 80.0 μg/m3 (64) 19.5 μg/m3 (67) 67.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 100.8 μg/m3 (74) 32.3 μg/m3 (94) 94.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A 117.4 μg/m3 (82) 30.4 μg/m3 (90) 90.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A N/A 41.3 μg/m3 (116) 116.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 47.6 μg/m3 (45) 19.6 μg/m3 (67) 67.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 70.2 μg/m3 (59) 27.8 μg/m3 (85) 85.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 53.9 μg/m3 (50) 37.5 μg/m3 (106) 106.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 71.3 μg/m3 (60) 27.8 μg/m3 (85) 85.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 79.5 μg/m3 (64) 30.1 μg/m3 (89) 89.0
 
Jan. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 95.4 μg/m3 (71) 27.0 μg/m3 (83) 83.0
 
Jan. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 106.6 μg/m3 (77) 36.5 μg/m3 (104) 104.0
 
Jan. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 135.1 μg/m3 (91) 45.6 μg/m3 (126) 126.0
 
Jan. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 150.5 μg/m3 (99) 39.4 μg/m3 (111) 111.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 180.7 μg/m3 (114) 45.8 μg/m3 (127) 127.0
 
Jan. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 118.7 μg/m3 (83) 42.0 μg/m3 (118) 118.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 115.7 μg/m3 (82) 24.7 μg/m3 (78) 82.0
 
Jan. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 187.8 μg/m3 (118) 31.9 μg/m3 (93) 118.0
 
Jan. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 124.2 μg/m3 (86) 24.6 μg/m3 (78) 86.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 106.8 μg/m3 (77) 16.5 μg/m3 (61) 77.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 76.3 μg/m3 (62) 22.0 μg/m3 (72) 72.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 108.3 μg/m3 (78) 26.4 μg/m3 (82) 82.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 106.2 μg/m3 (77) 24.0 μg/m3 (77) 77.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 91.2 μg/m3 (69) 46.1 μg/m3 (128) 128.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 107.5 μg/m3 (77) 24.7 μg/m3 (78) 78.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 74.2 μg/m3 (61) 29.1 μg/m3 (87) 87.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 63.8 μg/m3 (56) 20.0 μg/m3 (68) 68.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 73.5 μg/m3 (61) 31.0 μg/m3 (91) 91.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 71.6 μg/m3 (60) 23.8 μg/m3 (76) 76.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 57.5 μg/m3 (53) 18.9 μg/m3 (66) 66.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 40.6 μg/m3 (38) 16.4 μg/m3 (61) 61.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 41.8 μg/m3 (39) 15.4 μg/m3 (58) 58.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 37.5 μg/m3 (35) 12.3 μg/m3 (52) 52.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 44.2 μg/m3 (41) 14.6 μg/m3 (57) 57.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 55.2 μg/m3 (52) 23.4 μg/m3 (75) 75.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 83.8 μg/m3 (66) 28.9 μg/m3 (87) 87.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 113.7 μg/m3 (81) 37.0 μg/m3 (105) 105.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 183.5 μg/m3 (116) 56.5 μg/m3 (152) 152.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 239.8 μg/m3 (143) 71.9 μg/m3 (160) 160.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 236.6 μg/m3 (142) 34.8 μg/m3 (99) 142.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 48.1 μg/m3 (133) 133.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 33.1 μg/m3 (96) 96.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 168.5 μg/m3 (108) 19.5 μg/m3 (67) 108.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 116.4 μg/m3 (82) 16.2 μg/m3 (60) 82.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 109.4 μg/m3 (78) 14.5 μg/m3 (57) 78.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 102.8 μg/m3 (75) 17.1 μg/m3 (62) 75.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 54.3 μg/m3 (51) 12.3 μg/m3 (52) 52.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 95.7 μg/m3 (72) 21.7 μg/m3 (72) 72.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A N/A 89.7 μg/m3 (69) 20.6 μg/m3 (69) 69.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 20.0 ppb (29) N/A N/A 96.2 μg/m3 (72) 28.3 μg/m3 (86) 86.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 26.0 ppb (38) N/A N/A 149.6 μg/m3 (98) 36.8 μg/m3 (105) 105.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 17.0 ppb (25) N/A N/A 111.6 μg/m3 (80) 27.6 μg/m3 (84) 84.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 77.8 μg/m3 (63) 24.3 μg/m3 (77) 77.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 67.2 μg/m3 (58) 32.1 μg/m3 (94) 94.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 79.1 μg/m3 (63) 34.4 μg/m3 (98) 98.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 82.4 μg/m3 (65) 52.4 μg/m3 (143) 143.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 80.4 μg/m3 (64) 47.9 μg/m3 (132) 132.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 78.9 μg/m3 (63) 81.2 μg/m3 (165) 165.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 107.2 μg/m3 (77) 48.4 μg/m3 (133) 133.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 128.6 μg/m3 (88) 58.6 μg/m3 (153) 153.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 150.9 μg/m3 (99) 65.2 μg/m3 (157) 157.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 192.1 μg/m3 (120) 109.1 μg/m3 (179) 179.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 181.8 μg/m3 (115) 47.6 μg/m3 (131) 131.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 204.9 μg/m3 (126) 71.3 μg/m3 (160) 160.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 15.0 ppb (22) N/A N/A 231.9 μg/m3 (140) 44.5 μg/m3 (124) 140.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A 202.7 μg/m3 (125) N/A 125.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A 175.5 μg/m3 (112) 33.0 μg/m3 (95) 112.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A 17.0 ppb (25) N/A N/A 127.1 μg/m3 (87) 20.5 μg/m3 (69) 87.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) N/A N/A 133.9 μg/m3 (91) 26.4 μg/m3 (82) 91.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 15.0 ppb (22) N/A N/A 136.2 μg/m3 (92) N/A 92.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 148.6 μg/m3 (98) 75.1 μg/m3 (162) 162.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 139.3 μg/m3 (93) 27.5 μg/m3 (84) 93.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 151.2 μg/m3 (99) 35.3 μg/m3 (100) 100.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A 137.0 μg/m3 (92) 31.5 μg/m3 (92) 92.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 107.0 μg/m3 (77) 18.3 μg/m3 (65) 77.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A 196.9 μg/m3 (122) 38.3 μg/m3 (108) 122.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 77.3 μg/m3 (63) 21.5 μg/m3 (71) 71.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 42.8 μg/m3 (40) 14.3 μg/m3 (56) 56.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 30.7 μg/m3 (29) 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 25.9 μg/m3 (24) 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 25.8 μg/m3 (24) 9.5 μg/m3 (40) 40.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 25.3 μg/m3 (24) 11.5 μg/m3 (48) 48.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 31.4 μg/m3 (30) 11.5 μg/m3 (48) 48.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 25.6 μg/m3 (24) 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 34.1 μg/m3 (32) 5.9 μg/m3 (25) 32.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 40.9 μg/m3 (38) 8.8 μg/m3 (37) 38.0
 
Jan. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 59.0 μg/m3 (53) 9.8 μg/m3 (41) 53.0
 
Jan. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 121.7 μg/m3 (85) 22.6 μg/m3 (74) 85.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 48.9 μg/m3 (134) 134.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A 122.5 μg/m3 (85) 20.9 μg/m3 (70) 85.0
 
Jan. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A 71.9 μg/m3 (60) 19.1 μg/m3 (66) 66.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A 76.7 μg/m3 (62) 15.9 μg/m3 (59) 62.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A 71.1 μg/m3 (59) 8.9 μg/m3 (38) 59.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 61.1 μg/m3 (55) 14.6 μg/m3 (57) 57.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 46.1 μg/m3 (43) 11.1 μg/m3 (47) 47.0