AQSQID: 80011G003

Site Name: Estaci¢N San Juanico

Location: Celaya (Avenida Brillante), MX

Reporting: True, Located: True

Current AQI: 54.0

Celaya (Avenida Brillante) MX, MX: 20.537683, -100.83994

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 25, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.26 ppb (3) 49.0 μg/m3 (45) 14.3 μg/m3 (55) 55.0
 
March 25, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.31 ppb (3) 62.0 μg/m3 (54) 13.4 μg/m3 (53) 54.0
 
March 25, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.38 ppb (4) N/A 22.9 μg/m3 (73) 73.0
 
March 25, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.63 ppb (7) 169.0 μg/m3 (107) 30.1 μg/m3 (89) 107.0
 
March 25, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.64 ppb (18) 156.0 μg/m3 (100) 34.6 μg/m3 (98) 100.0
 
March 25, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 1.3 ppb (14) N/A 30.8 μg/m3 (90) 90.0
 
March 25, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.18 ppb (13) N/A 14.2 μg/m3 (55) 55.0
 
March 25, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.72 ppb (8) 48.0 μg/m3 (44) 16.1 μg/m3 (59) 59.0
 
March 25, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.5 ppb (6) 48.0 μg/m3 (44) 17.1 μg/m3 (61) 61.0
 
March 24, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.52 ppb (6) 62.0 μg/m3 (54) 18.3 μg/m3 (63) 63.0
 
March 24, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.59 ppb (7) 91.0 μg/m3 (68) 12.4 μg/m3 (51) 68.0
 
March 24, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.66 ppb (7) 68.0 μg/m3 (56) 18.2 μg/m3 (63) 63.0
 
March 24, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.7 ppb (8) 83.0 μg/m3 (64) 24.1 μg/m3 (76) 76.0
 
March 24, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.82 ppb (9) 91.0 μg/m3 (68) 20.9 μg/m3 (69) 69.0
 
March 24, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.82 ppb (9) N/A N/A 32.0
 
March 24, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.78 ppb (9) 85.0 μg/m3 (65) N/A 65.0
 
March 24, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.79 ppb (9) 86.0 μg/m3 (66) 25.5 μg/m3 (79) 79.0
 
March 24, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.82 ppb (9) 83.0 μg/m3 (64) 23.8 μg/m3 (75) 75.0
 
March 24, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.79 ppb (9) 43.0 μg/m3 (39) 16.7 μg/m3 (60) 60.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.66 ppb (7) 36.0 μg/m3 (33) 19.4 μg/m3 (66) 66.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.52 ppb (6) 39.0 μg/m3 (35) 15.5 μg/m3 (57) 57.0
 
March 24, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.54 ppb (6) 52.0 μg/m3 (47) 18.9 μg/m3 (65) 65.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.6 ppb (7) 40.0 μg/m3 (36) 13.6 μg/m3 (53) 53.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.49 ppb (5) 55.0 μg/m3 (50) 18.7 μg/m3 (64) 64.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.55 ppb (6) 123.0 μg/m3 (84) 40.6 μg/m3 (113) 113.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.06 ppb (12) 165.0 μg/m3 (105) 40.4 μg/m3 (112) 112.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 1.6 ppb (18) 151.0 μg/m3 (98) N/A 98.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 1.4 ppb (16) 123.0 μg/m3 (84) N/A 84.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 1.69 ppb (19) N/A N/A 19.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 2.43 ppb (27) N/A N/A 27.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 1.07 ppb (12) 89.0 μg/m3 (67) 14.0 μg/m3 (54) 67.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.52 ppb (6) 42.0 μg/m3 (38) N/A 38.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.56 ppb (6) 68.0 μg/m3 (56) N/A 56.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.69 ppb (8) 95.0 μg/m3 (70) 21.6 μg/m3 (70) 70.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.65 ppb (7) N/A N/A 34.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.73 ppb (8) 74.0 μg/m3 (60) N/A 60.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.89 ppb (10) 122.0 μg/m3 (84) 21.9 μg/m3 (71) 84.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.97 ppb (11) 88.0 μg/m3 (66) N/A 66.0
 
March 23, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.95 ppb (11) 80.0 μg/m3 (62) N/A 62.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.98 ppb (11) 101.0 μg/m3 (73) N/A 73.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.13 ppb (13) 122.0 μg/m3 (84) 39.6 μg/m3 (110) 110.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 1.33 ppb (15) 113.0 μg/m3 (79) N/A 79.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.31 ppb (15) 102.0 μg/m3 (74) 41.6 μg/m3 (115) 115.0
 
March 23, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.26 ppb (14) 41.0 μg/m3 (37) N/A 37.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.81 ppb (9) 38.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 28.0 μg/m3 (25) 17.7 μg/m3 (62) 62.0
 
March 23, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.59 ppb (7) 50.0 μg/m3 (45) 12.6 μg/m3 (51) 51.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.64 ppb (7) 50.0 μg/m3 (45) 19.2 μg/m3 (65) 65.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.66 ppb (7) 96.0 μg/m3 (70) 31.3 μg/m3 (91) 91.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 1.2 ppb (13) 98.0 μg/m3 (72) 21.2 μg/m3 (70) 72.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.2 ppb (13) 80.0 μg/m3 (62) 14.8 μg/m3 (56) 62.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.75 ppb (8) 88.0 μg/m3 (66) N/A 66.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 1.25 ppb (14) N/A 12.9 μg/m3 (52) 52.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.8 ppb (9) N/A N/A 14.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.68 ppb (8) 233.0 μg/m3 (139) N/A 139.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 1.0 ppb (11) 159.0 μg/m3 (102) N/A 102.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.85 ppb (9) 92.0 μg/m3 (68) N/A 68.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.99 ppb (11) 80.0 μg/m3 (62) N/A 62.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 1.09 ppb (12) 107.0 μg/m3 (76) N/A 76.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 1.25 ppb (14) 82.0 μg/m3 (64) N/A 64.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.2 ppb (13) 66.0 μg/m3 (56) N/A 56.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.32 ppb (15) 63.0 μg/m3 (54) N/A 54.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 1.33 ppb (15) 57.0 μg/m3 (51) N/A 51.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 1.29 ppb (14) 69.0 μg/m3 (57) N/A 57.0
 
March 22, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.26 ppb (14) 46.0 μg/m3 (42) N/A 42.0
 
March 22, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.29 ppb (14) 80.0 μg/m3 (62) 15.7 μg/m3 (58) 62.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 1.5 ppb (17) 92.0 μg/m3 (68) N/A 68.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 1.37 ppb (15) 18.0 μg/m3 (16) N/A 16.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 1.01 ppb (11) 24.0 μg/m3 (22) N/A 22.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.97 ppb (11) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 32.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.95 ppb (11) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.96 ppb (11) 18.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.01 ppb (11) 23.0 μg/m3 (21) 8.1 μg/m3 (34) 34.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.2 ppb (13) 44.0 μg/m3 (40) 10.3 μg/m3 (43) 43.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.39 ppb (15) N/A 14.7 μg/m3 (56) 56.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.54 ppb (17) N/A 12.2 μg/m3 (50) 50.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 1.53 ppb (17) 228.0 μg/m3 (136) N/A 136.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.61 ppb (18) N/A 21.5 μg/m3 (70) 70.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.89 ppb (21) 107.0 μg/m3 (76) 13.7 μg/m3 (54) 76.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 1.85 ppb (21) 92.0 μg/m3 (68) 13.2 μg/m3 (53) 68.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.62 ppb (18) 73.0 μg/m3 (59) 13.4 μg/m3 (53) 59.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 1.6 ppb (18) 58.0 μg/m3 (52) 12.5 μg/m3 (51) 52.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 1.66 ppb (18) 51.0 μg/m3 (46) 10.5 μg/m3 (44) 46.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 1.55 ppb (17) 62.0 μg/m3 (54) 8.8 μg/m3 (37) 54.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 1.5 ppb (17) 63.0 μg/m3 (54) 11.7 μg/m3 (49) 54.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.46 ppb (16) 54.0 μg/m3 (49) N/A 49.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 1.44 ppb (16) 58.0 μg/m3 (52) N/A 52.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 1.49 ppb (17) 54.0 μg/m3 (49) N/A 49.0
 
March 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 1.52 ppb (17) 56.0 μg/m3 (50) 14.4 μg/m3 (55) 55.0
 
March 21, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.56 ppb (17) 73.0 μg/m3 (59) 10.7 μg/m3 (45) 59.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.87 ppb (21) 50.0 μg/m3 (45) 8.8 μg/m3 (37) 45.0
 
March 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 1.78 ppb (20) 18.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.45 ppb (16) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 1.42 ppb (16) 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 1.41 ppb (16) 18.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
March 21, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 1.4 ppb (16) 30.0 μg/m3 (27) 7.8 μg/m3 (32) 32.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 1.4 ppb (16) 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
March 21, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.44 ppb (16) 46.0 μg/m3 (42) 11.7 μg/m3 (49) 49.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 1.44 ppb (16) 67.0 μg/m3 (56) N/A 56.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.5 ppb (17) 124.0 μg/m3 (84) 24.4 μg/m3 (76) 84.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.86 ppb (21) N/A 31.4 μg/m3 (91) 91.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 2.5 ppb (28) 232.0 μg/m3 (138) 26.7 μg/m3 (81) 138.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 2.4 ppb (27) N/A 24.5 μg/m3 (77) 77.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 1.85 ppb (21) 80.0 μg/m3 (62) N/A 62.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 1.57 ppb (17) 84.0 μg/m3 (64) 21.1 μg/m3 (69) 69.0
 
March 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 1.57 ppb (17) 77.0 μg/m3 (61) N/A 61.0
 
March 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 1.52 ppb (17) 79.0 μg/m3 (62) 10.1 μg/m3 (42) 62.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 1.56 ppb (17) 69.0 μg/m3 (57) 9.6 μg/m3 (40) 57.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.56 ppb (17) 61.0 μg/m3 (53) 16.6 μg/m3 (60) 60.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 1.6 ppb (18) 76.0 μg/m3 (60) 22.0 μg/m3 (71) 71.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.59 ppb (18) 57.0 μg/m3 (51) 23.2 μg/m3 (74) 74.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 1.58 ppb (18) 62.0 μg/m3 (54) 22.2 μg/m3 (72) 72.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.56 ppb (17) 60.0 μg/m3 (52) 18.1 μg/m3 (63) 63.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.58 ppb (18) 66.0 μg/m3 (56) N/A 56.0
 
March 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 1.74 ppb (19) 47.0 μg/m3 (43) 16.4 μg/m3 (59) 59.0
 
March 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.64 ppb (18) 35.0 μg/m3 (32) 12.2 μg/m3 (50) 50.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 1.47 ppb (16) 25.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.45 ppb (16) 28.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.43 ppb (16) 27.0 μg/m3 (25) 12.7 μg/m3 (51) 51.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.43 ppb (16) 32.0 μg/m3 (29) N/A 29.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.46 ppb (16) 63.0 μg/m3 (54) 12.5 μg/m3 (51) 54.0
 
March 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.47 ppb (16) 61.0 μg/m3 (53) N/A 53.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.48 ppb (16) 52.0 μg/m3 (47) 16.1 μg/m3 (59) 59.0
 
March 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 1.79 ppb (20) 75.0 μg/m3 (60) N/A 60.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.77 ppb (20) N/A N/A 20.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.78 ppb (20) 175.0 μg/m3 (110) 20.1 μg/m3 (67) 110.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 2.49 ppb (28) 138.0 μg/m3 (92) N/A 92.0
 
March 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 1.9 ppb (21) 114.0 μg/m3 (80) N/A 80.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 1.64 ppb (18) 102.0 μg/m3 (74) N/A 74.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 1.56 ppb (17) 133.0 μg/m3 (89) N/A 89.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 1.6 ppb (18) 89.0 μg/m3 (67) 15.4 μg/m3 (57) 67.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 1.56 ppb (17) 77.0 μg/m3 (61) 32.4 μg/m3 (93) 93.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.57 ppb (17) 53.0 μg/m3 (48) 14.2 μg/m3 (55) 55.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.6 ppb (18) 57.0 μg/m3 (51) 19.6 μg/m3 (66) 66.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 1.58 ppb (18) 58.0 μg/m3 (52) 23.0 μg/m3 (73) 73.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 1.57 ppb (17) 50.0 μg/m3 (45) 14.7 μg/m3 (56) 56.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 1.52 ppb (17) 69.0 μg/m3 (57) 17.9 μg/m3 (63) 63.0
 
March 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 1.66 ppb (18) 75.0 μg/m3 (60) 18.3 μg/m3 (63) 63.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 1.75 ppb (19) 33.0 μg/m3 (30) 13.7 μg/m3 (54) 54.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 1.6 ppb (18) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 1.49 ppb (17) 36.0 μg/m3 (33) 10.5 μg/m3 (44) 44.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.43 ppb (16) 29.0 μg/m3 (26) 8.1 μg/m3 (34) 34.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.42 ppb (16) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
March 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.42 ppb (16) 30.0 μg/m3 (27) 11.2 μg/m3 (47) 47.0
 
March 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.47 ppb (16) 38.0 μg/m3 (35) 13.7 μg/m3 (54) 54.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.49 ppb (17) 35.0 μg/m3 (32) 12.7 μg/m3 (51) 51.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 1.5 ppb (17) 81.0 μg/m3 (63) 21.3 μg/m3 (70) 70.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 1.79 ppb (20) 97.0 μg/m3 (71) 18.3 μg/m3 (63) 71.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 1.82 ppb (20) 67.0 μg/m3 (56) N/A 56.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 1.89 ppb (21) 52.0 μg/m3 (47) N/A 47.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.73 ppb (19) 85.0 μg/m3 (65) N/A 65.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 1.78 ppb (20) 68.0 μg/m3 (56) 12.0 μg/m3 (50) 56.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 1.67 ppb (19) 55.0 μg/m3 (50) 17.9 μg/m3 (63) 63.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 1.61 ppb (18) 65.0 μg/m3 (55) 18.6 μg/m3 (64) 64.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 1.63 ppb (18) 76.0 μg/m3 (60) 18.5 μg/m3 (64) 64.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.62 ppb (18) 50.0 μg/m3 (45) N/A 45.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 1.63 ppb (18) 49.0 μg/m3 (45) 16.4 μg/m3 (59) 59.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 1.67 ppb (19) 54.0 μg/m3 (49) 21.0 μg/m3 (69) 69.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 1.52 ppb (17) 48.0 μg/m3 (44) 17.4 μg/m3 (61) 61.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 1.53 ppb (17) 39.0 μg/m3 (35) N/A 35.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 1.47 ppb (16) 39.0 μg/m3 (35) N/A 35.0
 
March 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.47 ppb (16) 34.0 μg/m3 (31) N/A 31.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 1.5 ppb (17) 33.0 μg/m3 (30) N/A 30.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.48 ppb (16) 25.0 μg/m3 (23) N/A 23.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.4 ppb (16) 24.0 μg/m3 (22) N/A 22.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 1.39 ppb (15) 14.0 μg/m3 (13) N/A 15.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 1.39 ppb (15) 26.0 μg/m3 (24) 9.3 μg/m3 (39) 39.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 1.4 ppb (16) 23.0 μg/m3 (21) 9.4 μg/m3 (39) 39.0