AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

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

Reporting: False, Located: True

Current AQI: None

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. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 28.0 ppb (22) 4.37 ppb (49) 100.0 μg/m3 (72) 17.1 μg/m3 (61) 72.0
 
Jan. 14, 2020, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 50.0 ppb (38) 1.86 ppb (21) 63.0 μg/m3 (54) 17.6 μg/m3 (62) 62.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 53.0 ppb (41) 1.62 ppb (18) 54.0 μg/m3 (49) 12.7 μg/m3 (51) 51.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 55.0 ppb (42) 1.6 ppb (18) 85.0 μg/m3 (65) 19.5 μg/m3 (66) 66.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 52.0 ppb (40) 1.67 ppb (19) 87.0 μg/m3 (66) 17.0 μg/m3 (61) 66.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 45.0 ppb (35) 1.78 ppb (20) 86.0 μg/m3 (66) 20.1 μg/m3 (67) 67.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 45.0 ppb (35) 1.8 ppb (20) 88.0 μg/m3 (66) 26.6 μg/m3 (81) 81.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 36.0 ppb (28) 1.87 ppb (21) 81.0 μg/m3 (63) 23.4 μg/m3 (74) 74.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 28.0 ppb (22) 1.98 ppb (22) 95.0 μg/m3 (70) 24.1 μg/m3 (76) 76.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 19.0 ppb (15) 2.16 ppb (24) 111.0 μg/m3 (78) 24.9 μg/m3 (77) 78.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 14.0 ppb (11) 2.46 ppb (27) 123.0 μg/m3 (84) 33.2 μg/m3 (95) 95.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 12.0 ppb (9) 2.61 ppb (29) 101.0 μg/m3 (73) 22.5 μg/m3 (72) 73.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.04 ppb (23) 44.0 μg/m3 (40) 24.8 μg/m3 (77) 77.0
 
Jan. 13, 2020, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 15.0 ppb (12) 2.01 ppb (22) 41.0 μg/m3 (37) 24.9 μg/m3 (77) 77.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 26.0 ppb (20) 1.64 ppb (18) 47.0 μg/m3 (43) 23.5 μg/m3 (74) 74.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 23.0 ppb (18) 1.61 ppb (18) 38.0 μg/m3 (35) 16.9 μg/m3 (60) 60.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 27.0 ppb (21) 1.61 ppb (18) 43.0 μg/m3 (39) 14.5 μg/m3 (55) 55.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) 1.61 ppb (18) 52.0 μg/m3 (47) 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 26.0 ppb (20) 1.71 ppb (19) 54.0 μg/m3 (49) 23.0 μg/m3 (73) 73.0
 
Jan. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 23.0 ppb (18) 1.79 ppb (20) 98.0 μg/m3 (72) 35.9 μg/m3 (101) 101.0
 
Jan. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 14.0 ppb (11) 2.56 ppb (28) 167.0 μg/m3 (106) 50.7 μg/m3 (138) 138.0
 
Jan. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 13.0 ppb (10) 3.74 ppb (42) 175.0 μg/m3 (110) 54.4 μg/m3 (147) 147.0
 
Jan. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 14.0 ppb (11) 4.15 ppb (46) 239.0 μg/m3 (142) 45.9 μg/m3 (126) 142.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 14.0 ppb (11) 4.43 ppb (49) N/A 35.4 μg/m3 (100) 100.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 28.0 ppb (22) 3.15 ppb (35) 66.0 μg/m3 (56) 18.9 μg/m3 (65) 65.0
 
Jan. 13, 2020, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 46.0 ppb (35) 1.82 ppb (20) 42.0 μg/m3 (38) 14.4 μg/m3 (55) 55.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 1.72 ppb (19) 56.0 μg/m3 (50) 14.4 μg/m3 (55) 55.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 45.0 ppb (35) 1.8 ppb (20) 59.0 μg/m3 (52) 17.5 μg/m3 (62) 62.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 1.76 ppb (20) 73.0 μg/m3 (59) 20.2 μg/m3 (67) 67.0
 
Jan. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 1.85 ppb (21) 84.0 μg/m3 (64) 25.5 μg/m3 (79) 79.0
 
Jan. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 40.0 ppb (31) 1.79 ppb (20) 93.0 μg/m3 (69) 28.0 μg/m3 (84) 84.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 34.0 ppb (26) 1.8 ppb (20) 87.0 μg/m3 (66) 23.2 μg/m3 (74) 74.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 31.0 ppb (24) 1.69 ppb (19) 87.0 μg/m3 (66) 21.3 μg/m3 (70) 70.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 27.0 ppb (21) 1.66 ppb (18) 74.0 μg/m3 (60) 22.9 μg/m3 (73) 73.0
 
Jan. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) 1.75 ppb (19) 48.0 μg/m3 (44) 20.9 μg/m3 (69) 69.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 23.0 ppb (18) 1.69 ppb (19) 39.0 μg/m3 (35) 19.2 μg/m3 (65) 65.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 27.0 ppb (21) 1.58 ppb (18) 36.0 μg/m3 (33) 20.0 μg/m3 (67) 67.0
 
Jan. 12, 2020, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) 1.58 ppb (18) 32.0 μg/m3 (29) 15.6 μg/m3 (58) 58.0
 
Jan. 12, 2020, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 29.0 ppb (22) 1.58 ppb (18) 36.0 μg/m3 (33) 20.1 μg/m3 (67) 67.0
 
Jan. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 28.0 ppb (22) 1.56 ppb (17) 31.0 μg/m3 (28) 14.5 μg/m3 (55) 55.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 29.0 ppb (22) 1.55 ppb (17) 36.0 μg/m3 (33) 19.6 μg/m3 (66) 66.0
 
Jan. 12, 2020, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 29.0 ppb (22) 1.61 ppb (18) 44.0 μg/m3 (40) 19.4 μg/m3 (66) 66.0
 
Jan. 12, 2020, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) 1.63 ppb (18) 44.0 μg/m3 (40) 22.3 μg/m3 (72) 72.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 26.0 ppb (20) 1.7 ppb (19) 54.0 μg/m3 (49) 17.4 μg/m3 (61) 61.0
 
Jan. 12, 2020, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 26.0 ppb (20) 1.74 ppb (19) 70.0 μg/m3 (58) 25.3 μg/m3 (78) 78.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 21.0 ppb (16) 1.94 ppb (22) 88.0 μg/m3 (66) 33.1 μg/m3 (95) 95.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 22.0 ppb (17) 1.92 ppb (21) 148.0 μg/m3 (96) 38.3 μg/m3 (107) 107.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (10) 2.94 ppb (33) N/A 47.2 μg/m3 (129) 129.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 18.0 ppb (14) 5.17 ppb (57) 53.0 μg/m3 (48) 14.8 μg/m3 (56) 57.0
 
Jan. 12, 2020, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) 1.59 ppb (18) 38.0 μg/m3 (35) 11.4 μg/m3 (48) 48.0
 
Jan. 11, 2020, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 44.0 ppb (34) 1.48 ppb (16) 27.0 μg/m3 (25) 10.6 μg/m3 (44) 44.0
 
Jan. 11, 2020, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 1.5 ppb (17) 47.0 μg/m3 (43) 10.1 μg/m3 (42) 43.0
 
Jan. 11, 2020, 9 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) 1.51 ppb (17) 68.0 μg/m3 (56) 12.1 μg/m3 (50) 56.0
 
Jan. 11, 2020, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 46.0 ppb (35) 1.54 ppb (17) 71.0 μg/m3 (58) 13.9 μg/m3 (54) 58.0
 
Jan. 11, 2020, 7 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 39.0 ppb (30) 1.55 ppb (17) 45.0 μg/m3 (41) 14.6 μg/m3 (56) 56.0
 
Jan. 11, 2020, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 35.0 ppb (27) 1.57 ppb (17) 81.0 μg/m3 (63) 20.3 μg/m3 (68) 68.0
 
Jan. 11, 2020, 5 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 24.0 ppb (18) 1.81 ppb (20) 79.0 μg/m3 (62) 18.2 μg/m3 (63) 63.0
 
Jan. 11, 2020, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 16.0 ppb (12) 2.01 ppb (22) 61.0 μg/m3 (53) 15.5 μg/m3 (57) 57.0
 
Jan. 11, 2020, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 1.96 ppb (22) 94.0 μg/m3 (70) 21.7 μg/m3 (71) 71.0
 
Jan. 11, 2020, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 11.0 ppb (8) 2.48 ppb (28) 81.0 μg/m3 (63) 36.4 μg/m3 (102) 102.0
 
Jan. 11, 2020, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 11.0 ppb (8) 2.26 ppb (25) 63.0 μg/m3 (54) 30.2 μg/m3 (89) 89.0
 
Jan. 11, 2020, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 12.0 ppb (9) 1.87 ppb (21) 85.0 μg/m3 (65) 47.2 μg/m3 (129) 129.0
 
Jan. 11, 2020, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.2 ppb (24) 101.0 μg/m3 (73) 50.8 μg/m3 (138) 138.0
 
Jan. 11, 2020, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.37 ppb (26) 123.0 μg/m3 (84) 47.7 μg/m3 (130) 130.0
 
Jan. 11, 2020, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.32 ppb (26) 107.0 μg/m3 (76) 46.9 μg/m3 (128) 128.0
 
Jan. 11, 2020, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 12.0 ppb (9) 2.13 ppb (24) 130.0 μg/m3 (88) 46.6 μg/m3 (128) 128.0
 
Jan. 11, 2020, 7 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 13.0 ppb (10) 2.69 ppb (30) 201.0 μg/m3 (123) 53.0 μg/m3 (144) 144.0
 
Jan. 11, 2020, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 4.53 ppb (50) 246.0 μg/m3 (146) 55.9 μg/m3 (150) 150.0
 
Jan. 11, 2020, 5 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 14.0 ppb (11) 4.53 ppb (50) 267.0 μg/m3 (156) 46.6 μg/m3 (128) 156.0
 
Jan. 11, 2020, 4 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 4.25 ppb (47) 190.0 μg/m3 (118) 36.6 μg/m3 (103) 118.0
 
Jan. 11, 2020, 3 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 3.85 ppb (43) 200.0 μg/m3 (122) 35.2 μg/m3 (99) 122.0
 
Jan. 11, 2020, 2 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 14.0 ppb (11) 4.08 ppb (45) 171.0 μg/m3 (108) 29.7 μg/m3 (88) 108.0
 
Jan. 11, 2020, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 26.0 ppb (20) 2.29 ppb (25) 108.0 μg/m3 (76) 18.2 μg/m3 (63) 76.0
 
Jan. 11, 2020, midnight N/A N/A N/A N/A N/A 12.0 ppb (17) 38.0 ppb (29) 1.78 ppb (20) 111.0 μg/m3 (78) 17.7 μg/m3 (62) 78.0
 
Jan. 10, 2020, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) 1.82 ppb (20) 93.0 μg/m3 (69) 16.2 μg/m3 (59) 69.0
 
Jan. 10, 2020, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 47.0 ppb (36) 1.76 ppb (20) 124.0 μg/m3 (84) 20.1 μg/m3 (67) 84.0
 
Jan. 10, 2020, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 49.0 ppb (38) 1.8 ppb (20) 109.0 μg/m3 (77) 18.2 μg/m3 (63) 77.0
 
Jan. 10, 2020, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 49.0 ppb (38) 1.75 ppb (19) 102.0 μg/m3 (74) 23.0 μg/m3 (73) 74.0
 
Jan. 10, 2020, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 48.0 ppb (37) 1.8 ppb (20) 115.0 μg/m3 (80) 31.0 μg/m3 (90) 90.0
 
Jan. 10, 2020, 6 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 41.0 ppb (32) 1.8 ppb (20) 140.0 μg/m3 (92) 40.5 μg/m3 (112) 112.0
 
Jan. 10, 2020, 5 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 32.0 ppb (25) 2.16 ppb (24) 160.0 μg/m3 (102) 48.1 μg/m3 (132) 132.0
 
Jan. 10, 2020, 4 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 21.0 ppb (16) 2.55 ppb (28) 179.0 μg/m3 (112) 53.1 μg/m3 (144) 144.0
 
Jan. 10, 2020, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 14.0 ppb (11) 2.95 ppb (33) N/A 61.7 μg/m3 (153) 153.0
 
Jan. 10, 2020, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 3.49 ppb (39) 114.0 μg/m3 (80) 47.5 μg/m3 (130) 130.0
 
Jan. 10, 2020, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.24 ppb (25) 84.0 μg/m3 (64) 45.7 μg/m3 (126) 126.0
 
Jan. 10, 2020, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 18.0 ppb (14) 1.95 ppb (22) 83.0 μg/m3 (64) 45.7 μg/m3 (126) 126.0
 
Jan. 10, 2020, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 1.84 ppb (20) 107.0 μg/m3 (76) 53.9 μg/m3 (146) 146.0
 
Jan. 10, 2020, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 2.03 ppb (23) 122.0 μg/m3 (84) 62.4 μg/m3 (154) 154.0
 
Jan. 10, 2020, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 2.21 ppb (25) 134.0 μg/m3 (90) 65.4 μg/m3 (155) 155.0
 
Jan. 10, 2020, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 2.27 ppb (25) 155.0 μg/m3 (100) 66.0 μg/m3 (156) 156.0
 
Jan. 10, 2020, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 17.0 ppb (13) 2.3 ppb (26) 199.0 μg/m3 (122) 66.7 μg/m3 (156) 156.0
 
Jan. 10, 2020, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 3.15 ppb (35) 231.0 μg/m3 (138) 72.8 μg/m3 (159) 159.0
 
Jan. 10, 2020, 5 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 14.0 ppb (11) 3.73 ppb (41) N/A 84.2 μg/m3 (165) 165.0
 
Jan. 10, 2020, 4 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 15.0 ppb (12) 5.08 ppb (56) 474.0 μg/m3 (361) 77.8 μg/m3 (162) 361.0
 
Jan. 10, 2020, 3 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 14.0 ppb (11) 5.92 ppb (64) N/A 61.9 μg/m3 (153) 153.0
 
Jan. 10, 2020, 2 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 16.0 ppb (12) 4.66 ppb (52) N/A 55.3 μg/m3 (150) 150.0
 
Jan. 10, 2020, 1 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 24.0 ppb (18) 3.92 ppb (44) 134.0 μg/m3 (90) 30.9 μg/m3 (90) 90.0
 
Jan. 10, 2020, midnight N/A N/A N/A N/A N/A 14.0 ppb (20) 50.0 ppb (38) 2.17 ppb (24) 119.0 μg/m3 (82) 26.2 μg/m3 (80) 82.0
 
Jan. 9, 2020, 11 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 60.0 ppb (46) 1.83 ppb (20) 123.0 μg/m3 (84) 22.4 μg/m3 (72) 84.0
 
Jan. 9, 2020, 10 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 57.0 ppb (44) 1.86 ppb (21) 148.0 μg/m3 (96) 23.9 μg/m3 (75) 96.0
 
Jan. 9, 2020, 9 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 55.0 ppb (42) 1.84 ppb (20) N/A N/A 42.0
 
Jan. 9, 2020, 8 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 54.0 ppb (42) 1.96 ppb (22) 46.0 μg/m3 (42) N/A 42.0
 
Jan. 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) 48.0 ppb (37) 2.14 ppb (24) 145.0 μg/m3 (95) 47.9 μg/m3 (131) 131.0
 
Jan. 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 42.0 ppb (32) 2.25 ppb (25) 119.0 μg/m3 (82) 36.7 μg/m3 (103) 103.0
 
Jan. 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 29.0 ppb (22) 2.11 ppb (23) 179.0 μg/m3 (112) 44.3 μg/m3 (122) 122.0
 
Jan. 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 15.0 ppb (12) 2.73 ppb (30) 173.0 μg/m3 (109) 45.4 μg/m3 (125) 125.0
 
Jan. 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 2.72 ppb (30) 118.0 μg/m3 (82) 34.2 μg/m3 (97) 97.0
 
Jan. 9, 2020, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 2.29 ppb (25) 110.0 μg/m3 (78) 40.4 μg/m3 (112) 112.0
 
Jan. 9, 2020, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 11.0 ppb (8) 2.06 ppb (23) 79.0 μg/m3 (62) 36.8 μg/m3 (103) 103.0
 
Jan. 9, 2020, noon N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 1.96 ppb (22) 74.0 μg/m3 (60) 30.7 μg/m3 (90) 90.0
 
Jan. 9, 2020, 11 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 1.86 ppb (21) 82.0 μg/m3 (64) 36.1 μg/m3 (102) 102.0
 
Jan. 9, 2020, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 1.92 ppb (21) 91.0 μg/m3 (68) 34.9 μg/m3 (99) 99.0
 
Jan. 9, 2020, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 2.15 ppb (24) 102.0 μg/m3 (74) 37.2 μg/m3 (104) 104.0
 
Jan. 9, 2020, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 2.04 ppb (23) 107.0 μg/m3 (76) 48.4 μg/m3 (132) 132.0
 
Jan. 9, 2020, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 12.0 ppb (9) 2.19 ppb (24) 160.0 μg/m3 (102) 75.9 μg/m3 (161) 161.0
 
Jan. 9, 2020, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 12.0 ppb (9) 2.72 ppb (30) 200.0 μg/m3 (122) 70.0 μg/m3 (158) 158.0
 
Jan. 9, 2020, 5 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 13.0 ppb (10) 4.83 ppb (53) 228.0 μg/m3 (136) 66.0 μg/m3 (156) 156.0
 
Jan. 9, 2020, 4 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 13.0 ppb (10) 4.64 ppb (51) 293.0 μg/m3 (169) 76.2 μg/m3 (161) 169.0
 
Jan. 9, 2020, 3 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 14.0 ppb (11) 3.86 ppb (43) N/A 72.1 μg/m3 (159) 159.0
 
Jan. 9, 2020, 2 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 17.0 ppb (13) 3.84 ppb (43) N/A 62.5 μg/m3 (154) 154.0
 
Jan. 9, 2020, 1 a.m. N/A N/A N/A N/A N/A 19.0 ppb (27) 30.0 ppb (23) 2.9 ppb (32) 147.0 μg/m3 (96) 32.4 μg/m3 (93) 96.0
 
Jan. 9, 2020, midnight N/A N/A N/A N/A N/A 17.0 ppb (24) 51.0 ppb (39) 2.07 ppb (23) 73.0 μg/m3 (59) 18.5 μg/m3 (64) 64.0
 
Jan. 8, 2020, 11 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 52.0 ppb (40) 1.64 ppb (18) 82.0 μg/m3 (64) 23.0 μg/m3 (73) 73.0
 
Jan. 8, 2020, 10 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 56.0 ppb (43) 1.67 ppb (19) 102.0 μg/m3 (74) 22.5 μg/m3 (72) 74.0
 
Jan. 8, 2020, 9 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 55.0 ppb (42) 1.69 ppb (19) 71.0 μg/m3 (58) 23.0 μg/m3 (73) 73.0
 
Jan. 8, 2020, 8 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 48.0 ppb (37) 1.69 ppb (19) 101.0 μg/m3 (73) 18.8 μg/m3 (64) 73.0
 
Jan. 8, 2020, 7 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 41.0 ppb (32) 1.6 ppb (18) 69.0 μg/m3 (57) 16.0 μg/m3 (59) 59.0
 
Jan. 8, 2020, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 35.0 ppb (27) 1.55 ppb (17) 47.0 μg/m3 (43) 18.7 μg/m3 (64) 64.0
 
Jan. 8, 2020, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 32.0 ppb (25) 1.54 ppb (17) 69.0 μg/m3 (57) 25.4 μg/m3 (79) 79.0
 
Jan. 8, 2020, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) 1.75 ppb (19) 82.0 μg/m3 (64) 25.4 μg/m3 (79) 79.0
 
Jan. 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 16.0 ppb (12) 2.07 ppb (23) 93.0 μg/m3 (69) 21.7 μg/m3 (71) 71.0
 
Jan. 8, 2020, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 13.0 ppb (10) 2.05 ppb (23) 53.0 μg/m3 (48) 14.7 μg/m3 (56) 56.0
 
Jan. 8, 2020, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) 1.7 ppb (19) 36.0 μg/m3 (33) 15.3 μg/m3 (57) 57.0
 
Jan. 8, 2020, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 25.0 ppb (19) 1.5 ppb (17) 19.0 μg/m3 (17) 11.9 μg/m3 (50) 50.0
 
Jan. 8, 2020, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 30.0 ppb (23) 1.4 ppb (16) 22.0 μg/m3 (20) 11.2 μg/m3 (47) 47.0
 
Jan. 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 33.0 ppb (25) 1.35 ppb (15) 22.0 μg/m3 (20) 14.3 μg/m3 (55) 55.0
 
Jan. 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 1.35 ppb (15) 19.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
Jan. 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 32.0 ppb (25) 1.36 ppb (15) 22.0 μg/m3 (20) 4.1 μg/m3 (17) 25.0
 
Jan. 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 1.35 ppb (15) 21.0 μg/m3 (19) 5.5 μg/m3 (23) 26.0
 
Jan. 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 1.39 ppb (15) 31.0 μg/m3 (28) 9.6 μg/m3 (40) 40.0
 
Jan. 8, 2020, 5 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 1.45 ppb (16) 28.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
Jan. 8, 2020, 4 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 34.0 ppb (26) 1.44 ppb (16) 38.0 μg/m3 (35) 7.9 μg/m3 (33) 35.0
 
Jan. 8, 2020, 3 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 31.0 ppb (24) 1.47 ppb (16) 37.0 μg/m3 (34) 9.2 μg/m3 (38) 38.0
 
Jan. 8, 2020, 2 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 29.0 ppb (22) 1.53 ppb (17) 62.0 μg/m3 (54) 10.7 μg/m3 (45) 54.0
 
Jan. 8, 2020, 1 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 33.0 ppb (25) 1.52 ppb (17) 65.0 μg/m3 (55) 6.3 μg/m3 (26) 55.0
 
Jan. 8, 2020, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 37.0 ppb (28) 1.48 ppb (16) 58.0 μg/m3 (52) 5.2 μg/m3 (22) 52.0
 
Jan. 7, 2020, 11 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 41.0 ppb (32) 1.43 ppb (16) 49.0 μg/m3 (45) 6.3 μg/m3 (26) 45.0
 
Jan. 7, 2020, 10 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 1.38 ppb (15) 68.0 μg/m3 (56) 8.9 μg/m3 (37) 56.0
 
Jan. 7, 2020, 9 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 44.0 ppb (34) 1.39 ppb (15) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 7, 2020, 8 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 44.0 ppb (34) 1.38 ppb (15) 206.0 μg/m3 (126) 10.8 μg/m3 (45) 126.0
 
Jan. 7, 2020, 7 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 43.0 ppb (33) 1.38 ppb (15) 237.0 μg/m3 (141) 16.1 μg/m3 (59) 141.0
 
Jan. 7, 2020, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 38.0 ppb (29) 1.39 ppb (15) 100.0 μg/m3 (72) 12.2 μg/m3 (50) 72.0
 
Jan. 7, 2020, 5 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 34.0 ppb (26) 1.42 ppb (16) 141.0 μg/m3 (93) 11.7 μg/m3 (49) 93.0
 
Jan. 7, 2020, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 28.0 ppb (22) 1.47 ppb (16) 94.0 μg/m3 (70) 20.1 μg/m3 (67) 70.0
 
Jan. 7, 2020, 3 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 19.0 ppb (15) 1.69 ppb (19) 156.0 μg/m3 (100) 35.1 μg/m3 (99) 100.0
 
Jan. 7, 2020, 2 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 12.0 ppb (9) 2.22 ppb (25) 106.0 μg/m3 (76) 37.9 μg/m3 (106) 106.0
 
Jan. 7, 2020, 1 p.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 12.0 ppb (9) 2.12 ppb (24) 81.0 μg/m3 (63) 39.0 μg/m3 (109) 109.0
 
Jan. 7, 2020, noon N/A N/A N/A N/A N/A 14.0 ppb (20) 12.0 ppb (9) 1.9 ppb (21) 69.0 μg/m3 (57) 36.0 μg/m3 (101) 101.0
 
Jan. 7, 2020, 11 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 15.0 ppb (12) 1.73 ppb (19) 89.0 μg/m3 (67) 51.8 μg/m3 (141) 141.0
 
Jan. 7, 2020, 10 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 17.0 ppb (13) 1.77 ppb (20) 95.0 μg/m3 (70) 45.5 μg/m3 (125) 125.0
 
Jan. 7, 2020, 9 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 12.0 ppb (9) 1.95 ppb (22) 122.0 μg/m3 (84) 59.7 μg/m3 (152) 152.0
 
Jan. 7, 2020, 8 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 12.0 ppb (9) 2.14 ppb (24) 168.0 μg/m3 (106) 84.1 μg/m3 (165) 165.0
 
Jan. 7, 2020, 7 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 13.0 ppb (10) 2.48 ppb (28) 222.0 μg/m3 (134) 105.9 μg/m3 (177) 177.0
 
Jan. 7, 2020, 6 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 13.0 ppb (10) 3.35 ppb (37) 235.0 μg/m3 (140) 86.4 μg/m3 (166) 166.0
 
Jan. 7, 2020, 5 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 14.0 ppb (11) 3.36 ppb (37) N/A N/A 37.0
 
Jan. 7, 2020, 4 a.m. N/A N/A N/A N/A N/A 14.0 ppb (20) 14.0 ppb (11) 4.29 ppb (48) 199.0 μg/m3 (122) 50.4 μg/m3 (137) 137.0
 
Jan. 7, 2020, 3 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 13.0 ppb (10) 4.9 ppb (54) 215.0 μg/m3 (130) 38.8 μg/m3 (108) 130.0
 
Jan. 7, 2020, 2 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 14.0 ppb (11) 3.28 ppb (36) N/A 47.8 μg/m3 (131) 131.0