AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

Location: Celaya, MX

Reporting: True, Located: True

Current AQI: 30.0

Celaya MX, MX: 20.518317, -100.81591

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.74 ppb (19) 33.0 μg/m3 (30) N/A 30.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.53 ppb (17) 28.0 μg/m3 (25) N/A 25.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.41 ppb (16) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.3 ppb (14) 22.0 μg/m3 (20) 7.5 μg/m3 (31) 31.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.28 ppb (14) 30.0 μg/m3 (27) 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.36 ppb (15) 30.0 μg/m3 (27) 10.9 μg/m3 (45) 45.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.34 ppb (15) 49.0 μg/m3 (45) 16.3 μg/m3 (59) 59.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.42 ppb (16) 69.0 μg/m3 (57) 25.6 μg/m3 (79) 79.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.52 ppb (17) 101.0 μg/m3 (73) 26.4 μg/m3 (81) 81.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 21.0 ppb (30) N/A 1.8 ppb (20) 89.0 μg/m3 (67) 35.1 μg/m3 (99) 99.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.79 ppb (20) 86.0 μg/m3 (66) 27.8 μg/m3 (84) 84.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.69 ppb (19) 107.0 μg/m3 (76) 43.8 μg/m3 (121) 121.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.75 ppb (19) 115.0 μg/m3 (80) 53.6 μg/m3 (145) 145.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.81 ppb (20) 71.0 μg/m3 (58) 29.5 μg/m3 (87) 87.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.63 ppb (18) 68.0 μg/m3 (56) 23.4 μg/m3 (74) 74.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.52 ppb (17) 48.0 μg/m3 (44) 21.0 μg/m3 (69) 69.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.4 ppb (16) 42.0 μg/m3 (38) 13.9 μg/m3 (54) 54.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.37 ppb (15) 56.0 μg/m3 (50) 16.8 μg/m3 (60) 60.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.46 ppb (16) 61.0 μg/m3 (53) 20.9 μg/m3 (69) 69.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.47 ppb (16) 60.0 μg/m3 (52) 17.5 μg/m3 (62) 62.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.48 ppb (16) 50.0 μg/m3 (45) 16.7 μg/m3 (60) 60.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.59 ppb (18) 59.0 μg/m3 (52) 9.2 μg/m3 (38) 52.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.61 ppb (18) 34.0 μg/m3 (31) 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.51 ppb (17) 41.0 μg/m3 (37) 5.4 μg/m3 (23) 37.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.6 ppb (18) 30.0 μg/m3 (27) 7.3 μg/m3 (30) 30.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.6 ppb (18) 25.0 μg/m3 (23) 6.5 μg/m3 (27) 27.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.31 ppb (15) 11.0 μg/m3 (10) 7.3 μg/m3 (30) 30.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.23 ppb (14) 16.0 μg/m3 (15) 3.4 μg/m3 (14) 15.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.22 ppb (14) 9.0 μg/m3 (8) 1.3 μg/m3 (5) 14.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.19 ppb (13) 14.0 μg/m3 (13) 3.6 μg/m3 (15) 15.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.2 ppb (13) 19.0 μg/m3 (17) 3.3 μg/m3 (14) 17.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.19 ppb (13) 10.0 μg/m3 (9) 3.3 μg/m3 (14) 14.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.25 ppb (14) 29.0 μg/m3 (26) 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.25 ppb (14) 33.0 μg/m3 (30) 7.0 μg/m3 (29) 30.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.36 ppb (15) 61.0 μg/m3 (53) 7.3 μg/m3 (30) 53.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.45 ppb (16) 42.0 μg/m3 (38) 6.6 μg/m3 (28) 38.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.41 ppb (16) 46.0 μg/m3 (42) 19.1 μg/m3 (65) 65.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.55 ppb (17) 60.0 μg/m3 (52) 17.6 μg/m3 (62) 62.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.57 ppb (17) 52.0 μg/m3 (47) 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.42 ppb (16) 52.0 μg/m3 (47) 8.7 μg/m3 (36) 47.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.36 ppb (15) 48.0 μg/m3 (44) 7.2 μg/m3 (30) 44.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.35 ppb (15) 66.0 μg/m3 (56) 13.9 μg/m3 (54) 56.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.36 ppb (15) 57.0 μg/m3 (51) 11.3 μg/m3 (47) 51.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.39 ppb (15) 51.0 μg/m3 (46) 8.1 μg/m3 (34) 46.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.38 ppb (15) 45.0 μg/m3 (41) 11.2 μg/m3 (47) 47.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.36 ppb (15) 42.0 μg/m3 (38) 12.7 μg/m3 (51) 51.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.39 ppb (15) 42.0 μg/m3 (38) 2.7 μg/m3 (11) 38.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.43 ppb (16) 41.0 μg/m3 (37) 10.2 μg/m3 (42) 42.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.68 ppb (19) 35.0 μg/m3 (32) 10.5 μg/m3 (44) 44.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.61 ppb (18) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.34 ppb (15) 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.28 ppb (14) 8.0 μg/m3 (7) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.22 ppb (14) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.21 ppb (13) 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.2 ppb (13) 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.22 ppb (14) 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.24 ppb (14) 9.0 μg/m3 (8) 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.24 ppb (14) 25.0 μg/m3 (23) 8.7 μg/m3 (36) 36.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.27 ppb (14) 28.0 μg/m3 (25) 4.9 μg/m3 (20) 25.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.29 ppb (14) 27.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.28 ppb (14) 26.0 μg/m3 (24) 8.7 μg/m3 (36) 36.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.37 ppb (15) 31.0 μg/m3 (28) 10.0 μg/m3 (42) 42.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.35 ppb (15) 39.0 μg/m3 (35) 15.1 μg/m3 (57) 57.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.31 ppb (15) 43.0 μg/m3 (39) 20.4 μg/m3 (68) 68.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.31 ppb (15) 42.0 μg/m3 (38) 12.7 μg/m3 (51) 51.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.29 ppb (14) 37.0 μg/m3 (34) 8.4 μg/m3 (35) 35.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.32 ppb (15) 36.0 μg/m3 (33) 10.8 μg/m3 (45) 45.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.32 ppb (15) 47.0 μg/m3 (43) 12.1 μg/m3 (50) 50.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.35 ppb (15) 38.0 μg/m3 (35) 14.7 μg/m3 (56) 56.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.32 ppb (15) 36.0 μg/m3 (33) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.32 ppb (15) 43.0 μg/m3 (39) 3.1 μg/m3 (13) 39.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.33 ppb (15) 38.0 μg/m3 (35) 7.9 μg/m3 (33) 35.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.4 ppb (16) 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.34 ppb (15) 25.0 μg/m3 (23) 7.8 μg/m3 (32) 32.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.33 ppb (15) 24.0 μg/m3 (22) 13.4 μg/m3 (53) 53.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.3 ppb (14) 18.0 μg/m3 (16) 4.4 μg/m3 (18) 18.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.28 ppb (14) 12.0 μg/m3 (11) 12.4 μg/m3 (51) 51.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.26 ppb (14) 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.33 ppb (15) 15.0 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.32 ppb (15) 38.0 μg/m3 (35) 12.2 μg/m3 (50) 50.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.3 ppb (14) 30.0 μg/m3 (27) 13.1 μg/m3 (52) 52.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.36 ppb (15) 51.0 μg/m3 (46) 21.5 μg/m3 (70) 70.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.4 ppb (16) 36.0 μg/m3 (33) 15.2 μg/m3 (57) 57.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.47 ppb (16) 69.0 μg/m3 (57) 22.5 μg/m3 (72) 72.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.71 ppb (19) 58.0 μg/m3 (52) 27.1 μg/m3 (82) 82.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.7 ppb (19) 62.0 μg/m3 (54) 24.3 μg/m3 (76) 76.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.58 ppb (18) 45.0 μg/m3 (41) 22.6 μg/m3 (73) 73.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.31 ppb (15) 32.0 μg/m3 (29) 13.6 μg/m3 (53) 53.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.31 ppb (15) 41.0 μg/m3 (37) 7.7 μg/m3 (32) 37.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.32 ppb (15) 48.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.31 ppb (15) 48.0 μg/m3 (44) 11.3 μg/m3 (47) 47.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.35 ppb (15) 50.0 μg/m3 (45) 13.7 μg/m3 (54) 54.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.41 ppb (16) 56.0 μg/m3 (50) 9.6 μg/m3 (40) 50.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) N/A 1.55 ppb (17) 70.0 μg/m3 (58) 16.6 μg/m3 (60) 60.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A 1.74 ppb (19) 85.0 μg/m3 (65) 17.6 μg/m3 (62) 65.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) N/A 1.94 ppb (22) 100.0 μg/m3 (72) 30.1 μg/m3 (89) 89.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) N/A 2.06 ppb (23) 69.0 μg/m3 (57) 34.5 μg/m3 (98) 98.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A 1.93 ppb (21) 63.0 μg/m3 (54) 32.0 μg/m3 (93) 93.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.64 ppb (18) 54.0 μg/m3 (49) 29.4 μg/m3 (87) 87.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.49 ppb (17) 47.0 μg/m3 (43) 25.1 μg/m3 (78) 78.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.45 ppb (16) 36.0 μg/m3 (33) 17.3 μg/m3 (61) 61.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.27 ppb (14) 41.0 μg/m3 (37) 12.9 μg/m3 (52) 52.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.29 ppb (14) 41.0 μg/m3 (37) 16.2 μg/m3 (59) 59.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.34 ppb (15) 38.0 μg/m3 (35) 31.2 μg/m3 (91) 91.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.44 ppb (16) 49.0 μg/m3 (45) 21.3 μg/m3 (70) 70.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.69 ppb (19) 35.0 μg/m3 (32) 28.7 μg/m3 (86) 86.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.86 ppb (21) 19.0 μg/m3 (17) 20.6 μg/m3 (68) 68.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.63 ppb (18) 70.0 μg/m3 (58) 31.8 μg/m3 (92) 92.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.46 ppb (16) 79.0 μg/m3 (62) 51.6 μg/m3 (140) 140.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.54 ppb (17) 115.0 μg/m3 (80) 26.8 μg/m3 (81) 81.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.37 ppb (15) 52.0 μg/m3 (47) 11.8 μg/m3 (49) 49.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.41 ppb (16) 58.0 μg/m3 (52) 18.7 μg/m3 (64) 64.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.42 ppb (16) 76.0 μg/m3 (60) 27.0 μg/m3 (82) 82.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.42 ppb (16) 70.0 μg/m3 (58) 23.0 μg/m3 (73) 73.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.37 ppb (15) 65.0 μg/m3 (55) 13.8 μg/m3 (54) 55.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.38 ppb (15) 92.0 μg/m3 (68) 27.8 μg/m3 (84) 84.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.53 ppb (17) 108.0 μg/m3 (76) 23.8 μg/m3 (75) 76.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.72 ppb (19) 122.0 μg/m3 (84) 30.2 μg/m3 (89) 89.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.94 ppb (22) 129.0 μg/m3 (87) 35.8 μg/m3 (101) 101.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.2 ppb (24) 104.0 μg/m3 (74) 38.9 μg/m3 (108) 108.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 2.05 ppb (23) 90.0 μg/m3 (68) 34.0 μg/m3 (97) 97.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.68 ppb (19) 66.0 μg/m3 (56) 31.3 μg/m3 (91) 91.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.55 ppb (17) 66.0 μg/m3 (56) 27.5 μg/m3 (83) 83.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.5 ppb (17) 69.0 μg/m3 (57) 30.1 μg/m3 (89) 89.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.58 ppb (18) 78.0 μg/m3 (62) 28.1 μg/m3 (84) 84.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.52 ppb (17) 80.0 μg/m3 (62) 32.3 μg/m3 (93) 93.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.51 ppb (17) 85.0 μg/m3 (65) 33.7 μg/m3 (96) 96.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.54 ppb (17) 80.0 μg/m3 (62) 38.5 μg/m3 (108) 108.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.55 ppb (17) 80.0 μg/m3 (62) 35.8 μg/m3 (101) 101.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.51 ppb (17) 109.0 μg/m3 (77) 33.4 μg/m3 (96) 96.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.8 ppb (20) 157.0 μg/m3 (101) N/A 101.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 2.04 ppb (23) N/A 78.5 μg/m3 (162) 162.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 2.11 ppb (23) 69.0 μg/m3 (57) 38.8 μg/m3 (108) 108.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.79 ppb (20) 57.0 μg/m3 (51) 26.8 μg/m3 (81) 81.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.37 ppb (15) 48.0 μg/m3 (44) 15.7 μg/m3 (58) 58.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.31 ppb (15) 59.0 μg/m3 (52) 11.1 μg/m3 (46) 52.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.34 ppb (15) 67.0 μg/m3 (56) 21.8 μg/m3 (71) 71.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) N/A 1.41 ppb (16) 70.0 μg/m3 (58) 21.9 μg/m3 (71) 71.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) N/A 1.37 ppb (15) 59.0 μg/m3 (52) 21.8 μg/m3 (71) 71.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.32 ppb (15) 56.0 μg/m3 (50) 14.5 μg/m3 (55) 55.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.34 ppb (15) 38.0 μg/m3 (35) 11.7 μg/m3 (49) 49.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.37 ppb (15) 52.0 μg/m3 (47) 14.9 μg/m3 (56) 56.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.45 ppb (16) 50.0 μg/m3 (45) 14.3 μg/m3 (55) 55.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.54 ppb (17) 46.0 μg/m3 (42) 18.6 μg/m3 (64) 64.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.57 ppb (17) 27.0 μg/m3 (25) 12.2 μg/m3 (50) 50.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.35 ppb (15) 34.0 μg/m3 (31) 10.4 μg/m3 (43) 43.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.25 ppb (14) 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.22 ppb (14) 18.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.2 ppb (13) 14.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.18 ppb (13) 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.25 ppb (14) 27.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.28 ppb (14) 34.0 μg/m3 (31) 15.5 μg/m3 (57) 57.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.33 ppb (15) 34.0 μg/m3 (31) 7.5 μg/m3 (31) 31.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.29 ppb (14) 124.0 μg/m3 (84) 12.6 μg/m3 (51) 84.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.31 ppb (15) 106.0 μg/m3 (76) 17.8 μg/m3 (62) 76.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.39 ppb (15) 60.0 μg/m3 (52) 10.6 μg/m3 (44) 52.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.48 ppb (16) 45.0 μg/m3 (41) 19.9 μg/m3 (67) 67.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.51 ppb (17) 52.0 μg/m3 (47) 15.1 μg/m3 (57) 57.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.38 ppb (15) 38.0 μg/m3 (35) 24.5 μg/m3 (77) 77.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.3 ppb (14) 34.0 μg/m3 (31) 14.7 μg/m3 (56) 56.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.38 ppb (15) 20.0 μg/m3 (18) 13.0 μg/m3 (52) 52.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.22 ppb (14) 42.0 μg/m3 (38) 16.7 μg/m3 (60) 60.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.24 ppb (14) 43.0 μg/m3 (39) 20.9 μg/m3 (69) 69.0
 
Jan. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.25 ppb (14) 49.0 μg/m3 (45) 16.6 μg/m3 (60) 60.0
 
Jan. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A 1.31 ppb (15) 45.0 μg/m3 (41) 24.3 μg/m3 (76) 76.0
 
Jan. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.33 ppb (15) 58.0 μg/m3 (52) 22.0 μg/m3 (71) 71.0
 
Jan. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.36 ppb (15) 56.0 μg/m3 (50) 19.1 μg/m3 (65) 65.0
 
Jan. 9, 2019, 4 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A 1.35 ppb (15) 85.0 μg/m3 (65) 17.0 μg/m3 (61) 65.0