AQSQID: 80011G004

Site Name: Estaci¢N Bomberos

Location: Irapuato, MX

Reporting: True, Located: True

Current AQI: 59.0

Irapuato MX, MX: 20.67495, -101.35595

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 6.0 ppb (5) N/A 35.0 μg/m3 (32) 16.3 μg/m3 (59) 59.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 8.0 ppb (6) N/A 66.0 μg/m3 (56) 14.7 μg/m3 (56) 56.0
 
Jan. 21, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 10.0 ppb (8) N/A 53.0 μg/m3 (48) 19.7 μg/m3 (66) 66.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 57.0 μg/m3 (51) 8.6 μg/m3 (36) 51.0
 
Jan. 21, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) N/A 41.0 μg/m3 (37) 7.1 μg/m3 (30) 37.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 64.0 μg/m3 (54) 9.3 μg/m3 (39) 54.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 61.0 μg/m3 (53) 11.4 μg/m3 (48) 53.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 15.0 ppb (12) N/A 47.0 μg/m3 (43) 7.4 μg/m3 (31) 43.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 38.0 μg/m3 (35) 4.8 μg/m3 (20) 35.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 28.0 μg/m3 (25) 8.2 μg/m3 (34) 34.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 35.0 ppb (27) N/A 27.0 μg/m3 (25) 8.2 μg/m3 (34) 34.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 33.0 μg/m3 (30) 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 33.0 μg/m3 (30) 5.8 μg/m3 (24) 32.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) N/A 42.0 μg/m3 (38) 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) N/A 40.0 μg/m3 (36) 13.2 μg/m3 (53) 53.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 37.0 ppb (28) N/A 31.0 μg/m3 (28) 9.7 μg/m3 (40) 40.0
 
Jan. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 38.0 ppb (29) N/A 29.0 μg/m3 (26) 6.6 μg/m3 (28) 29.0
 
Jan. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 52.0 μg/m3 (47) 6.6 μg/m3 (28) 47.0
 
Jan. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 34.0 μg/m3 (31) 6.8 μg/m3 (28) 31.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 31.0 μg/m3 (28) 10.2 μg/m3 (42) 42.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 24.0 ppb (18) N/A 26.0 μg/m3 (24) 10.1 μg/m3 (42) 42.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 27.0 μg/m3 (25) 5.8 μg/m3 (24) 25.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 33.0 μg/m3 (30) 5.3 μg/m3 (22) 30.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 31.0 μg/m3 (28) 11.9 μg/m3 (50) 50.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 47.0 μg/m3 (43) 11.2 μg/m3 (47) 47.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 34.0 μg/m3 (31) 11.3 μg/m3 (47) 47.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 46.0 μg/m3 (42) 17.2 μg/m3 (61) 61.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) N/A 413.0 μg/m3 (283) 13.0 μg/m3 (52) 283.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) N/A 130.0 μg/m3 (88) 15.7 μg/m3 (58) 88.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) N/A 175.0 μg/m3 (110) 38.1 μg/m3 (106) 110.0
 
Jan. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 3.0 ppb (2) N/A 102.0 μg/m3 (74) 41.5 μg/m3 (115) 115.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 5.0 ppb (4) N/A 49.0 μg/m3 (45) 18.5 μg/m3 (64) 64.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 37.0 μg/m3 (34) 12.4 μg/m3 (51) 51.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 43.0 μg/m3 (39) 8.9 μg/m3 (37) 39.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 46.0 ppb (35) N/A 43.0 μg/m3 (39) 8.3 μg/m3 (35) 39.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 51.0 ppb (39) N/A 27.0 μg/m3 (25) 4.7 μg/m3 (20) 39.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 38.0 μg/m3 (35) 2.0 μg/m3 (8) 35.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 55.0 μg/m3 (50) 5.2 μg/m3 (22) 50.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) N/A 61.0 μg/m3 (53) 11.8 μg/m3 (49) 53.0
 
Jan. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 45.0 ppb (35) N/A 69.0 μg/m3 (57) 23.4 μg/m3 (74) 74.0
 
Jan. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 38.0 ppb (29) N/A 126.0 μg/m3 (86) 25.7 μg/m3 (79) 86.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) N/A 121.0 μg/m3 (83) 25.9 μg/m3 (80) 83.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (3) N/A 103.0 μg/m3 (74) 31.8 μg/m3 (92) 92.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) N/A 64.0 μg/m3 (54) 26.6 μg/m3 (81) 81.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 56.0 μg/m3 (50) 24.6 μg/m3 (77) 77.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 72.0 μg/m3 (58) 22.5 μg/m3 (72) 72.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 7.0 ppb (5) N/A 56.0 μg/m3 (50) 24.6 μg/m3 (77) 77.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) N/A 55.0 μg/m3 (50) 25.4 μg/m3 (79) 79.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (11) N/A 66.0 μg/m3 (56) 36.3 μg/m3 (102) 102.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 13.0 ppb (10) N/A 52.0 μg/m3 (47) 30.6 μg/m3 (90) 90.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 81.0 μg/m3 (63) 25.6 μg/m3 (79) 79.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 78.0 μg/m3 (62) 22.8 μg/m3 (73) 73.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 121.0 μg/m3 (83) 28.0 μg/m3 (84) 84.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 102.0 μg/m3 (74) 23.6 μg/m3 (75) 75.0
 
Jan. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) N/A 47.0 μg/m3 (43) 14.4 μg/m3 (55) 55.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 3.0 μg/m3 (3) 15.8 μg/m3 (58) 58.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 59.0 μg/m3 (52) 19.0 μg/m3 (65) 65.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) N/A 45.0 μg/m3 (41) 16.8 μg/m3 (60) 60.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 62.0 μg/m3 (54) 9.9 μg/m3 (41) 54.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 50.0 μg/m3 (45) 9.5 μg/m3 (40) 45.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) N/A 65.0 μg/m3 (55) 11.3 μg/m3 (47) 55.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 57.0 ppb (44) N/A 76.0 μg/m3 (60) 19.7 μg/m3 (66) 66.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 50.0 ppb (38) N/A 66.0 μg/m3 (56) 17.4 μg/m3 (61) 61.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 48.0 ppb (37) N/A 79.0 μg/m3 (62) 17.2 μg/m3 (61) 62.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) N/A 125.0 μg/m3 (85) 19.6 μg/m3 (66) 85.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 21.0 ppb (16) N/A 151.0 μg/m3 (98) 38.7 μg/m3 (108) 108.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 17.0 ppb (13) N/A 66.0 μg/m3 (56) 29.2 μg/m3 (87) 87.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 16.0 ppb (12) N/A 74.0 μg/m3 (60) 24.5 μg/m3 (77) 77.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) N/A 43.0 μg/m3 (39) 21.8 μg/m3 (71) 71.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 42.0 μg/m3 (38) 19.9 μg/m3 (67) 67.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 30.0 μg/m3 (27) 14.6 μg/m3 (56) 56.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 27.0 ppb (21) N/A 32.0 μg/m3 (29) 16.4 μg/m3 (59) 59.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 25.0 μg/m3 (23) 14.9 μg/m3 (56) 56.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 35.0 ppb (27) N/A 20.0 μg/m3 (18) 1.8 μg/m3 (8) 27.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 31.0 ppb (24) N/A 64.0 μg/m3 (54) 9.5 μg/m3 (40) 54.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 28.0 ppb (22) N/A 92.0 μg/m3 (68) N/A 68.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 25.0 ppb (19) N/A 83.0 μg/m3 (64) 42.7 μg/m3 (118) 118.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 110.0 μg/m3 (78) 30.6 μg/m3 (90) 90.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 108.0 μg/m3 (76) 30.9 μg/m3 (90) 90.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 50.0 μg/m3 (45) 22.7 μg/m3 (73) 73.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 52.0 μg/m3 (47) 12.1 μg/m3 (50) 50.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 44.0 μg/m3 (40) 11.3 μg/m3 (47) 47.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 46.0 ppb (35) N/A 51.0 μg/m3 (46) 11.1 μg/m3 (46) 46.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 47.0 ppb (36) N/A 50.0 μg/m3 (45) 8.3 μg/m3 (35) 45.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 43.0 ppb (33) N/A 59.0 μg/m3 (52) 9.6 μg/m3 (40) 52.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) N/A 89.0 μg/m3 (67) 12.4 μg/m3 (51) 67.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 27.0 ppb (21) N/A 86.0 μg/m3 (66) 24.5 μg/m3 (77) 77.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 17.0 ppb (13) N/A 169.0 μg/m3 (107) 35.8 μg/m3 (101) 107.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 8.0 ppb (6) N/A 149.0 μg/m3 (97) 33.3 μg/m3 (95) 97.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 3.0 ppb (2) N/A 100.0 μg/m3 (72) 25.8 μg/m3 (79) 79.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 2.0 ppb (2) N/A 95.0 μg/m3 (70) 20.6 μg/m3 (68) 70.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 2.0 ppb (2) N/A 48.0 μg/m3 (44) 21.5 μg/m3 (70) 70.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 42.0 μg/m3 (38) 18.4 μg/m3 (64) 64.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 49.0 μg/m3 (45) 14.6 μg/m3 (56) 56.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 38.0 μg/m3 (35) 18.5 μg/m3 (64) 64.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 67.0 μg/m3 (56) 18.9 μg/m3 (65) 65.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 90.0 μg/m3 (68) 28.0 μg/m3 (84) 84.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 72.0 μg/m3 (58) 18.0 μg/m3 (63) 63.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 44.0 μg/m3 (40) 17.1 μg/m3 (61) 61.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 52.0 ppb (40) N/A 49.0 μg/m3 (45) N/A 45.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 56.0 ppb (43) N/A 57.0 μg/m3 (51) N/A 51.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 49.0 ppb (38) N/A 67.0 μg/m3 (56) N/A 56.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 42.0 ppb (32) N/A 63.0 μg/m3 (54) N/A 54.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) N/A 73.0 μg/m3 (59) N/A 59.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (11) N/A 126.0 μg/m3 (86) N/A 86.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 127.0 μg/m3 (86) N/A 86.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 16.0 ppb (12) N/A 91.0 μg/m3 (68) N/A 68.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 53.0 μg/m3 (48) N/A 48.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 57.0 μg/m3 (51) N/A 51.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 56.0 μg/m3 (50) N/A 50.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 59.0 μg/m3 (52) N/A 52.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 55.0 μg/m3 (50) N/A 50.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 68.0 μg/m3 (56) N/A 56.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 5.0 ppb (4) N/A 77.0 μg/m3 (61) N/A 61.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 11.0 ppb (8) N/A 89.0 μg/m3 (67) N/A 67.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 67.0 μg/m3 (56) N/A 56.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 99.0 μg/m3 (72) N/A 72.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 15.0 ppb (12) N/A 82.0 μg/m3 (64) N/A 64.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) N/A 74.0 μg/m3 (60) N/A 60.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 22.0 ppb (17) N/A 57.0 μg/m3 (51) N/A 51.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) N/A 54.0 μg/m3 (49) N/A 49.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 41.0 ppb (32) N/A 67.0 μg/m3 (56) N/A 56.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 40.0 ppb (31) N/A 54.0 μg/m3 (49) N/A 49.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 45.0 ppb (35) N/A 48.0 μg/m3 (44) 43.8 μg/m3 (121) 121.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 39.0 ppb (30) N/A 57.0 μg/m3 (51) 42.4 μg/m3 (117) 117.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) N/A 46.0 μg/m3 (42) 47.0 μg/m3 (129) 129.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 57.0 μg/m3 (51) 40.3 μg/m3 (112) 112.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 51.0 μg/m3 (46) 41.8 μg/m3 (116) 116.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 17.0 ppb (13) N/A 54.0 μg/m3 (49) 45.0 μg/m3 (124) 124.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 10.0 ppb (8) N/A 77.0 μg/m3 (61) 46.6 μg/m3 (128) 128.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 8.0 ppb (6) N/A 54.0 μg/m3 (49) 42.4 μg/m3 (117) 117.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 9.0 ppb (7) N/A 35.0 μg/m3 (32) 43.5 μg/m3 (120) 120.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 7.0 ppb (5) N/A 25.0 μg/m3 (23) 38.0 μg/m3 (106) 106.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 15.0 ppb (12) N/A 21.0 μg/m3 (19) 37.6 μg/m3 (105) 105.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 18.0 ppb (14) N/A 9.0 μg/m3 (8) 35.5 μg/m3 (100) 100.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 17.0 μg/m3 (15) 34.9 μg/m3 (99) 99.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 26.0 ppb (20) N/A 8.0 μg/m3 (7) 37.4 μg/m3 (105) 105.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 25.0 ppb (19) N/A 17.0 μg/m3 (15) 38.7 μg/m3 (108) 108.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 20.0 ppb (15) N/A 16.0 μg/m3 (15) 32.6 μg/m3 (94) 94.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 21.0 ppb (16) N/A 29.0 μg/m3 (26) 36.8 μg/m3 (103) 103.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 19.0 ppb (15) N/A 28.0 μg/m3 (25) 39.3 μg/m3 (110) 110.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 40.0 μg/m3 (36) 39.4 μg/m3 (110) 110.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 14.0 ppb (11) N/A 42.0 μg/m3 (38) 41.2 μg/m3 (114) 114.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) N/A 48.0 μg/m3 (44) 45.9 μg/m3 (126) 126.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 20.0 ppb (15) N/A 48.0 μg/m3 (44) 48.6 μg/m3 (133) 133.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 47.0 μg/m3 (43) 39.5 μg/m3 (110) 110.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 34.0 ppb (26) N/A 43.0 μg/m3 (39) 37.9 μg/m3 (106) 106.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 29.0 ppb (22) N/A 29.0 μg/m3 (26) 36.5 μg/m3 (102) 102.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 34.0 μg/m3 (31) 32.8 μg/m3 (94) 94.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 28.0 ppb (22) N/A 34.0 μg/m3 (31) 36.8 μg/m3 (103) 103.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A 38.0 μg/m3 (35) 4.8 μg/m3 (20) 35.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 26.0 ppb (20) N/A 39.0 μg/m3 (35) 8.1 μg/m3 (34) 35.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 58.0 μg/m3 (52) 9.2 μg/m3 (38) 52.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 12.0 ppb (9) N/A 60.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 57.0 μg/m3 (51) 16.3 μg/m3 (59) 59.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 1.0 ppb (1) N/A 38.0 μg/m3 (35) 13.0 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 4.0 ppb (3) N/A 32.0 μg/m3 (29) 7.2 μg/m3 (30) 30.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 7.0 ppb (5) N/A 19.0 μg/m3 (17) 6.2 μg/m3 (26) 26.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 13.0 ppb (10) N/A 18.0 μg/m3 (16) 6.5 μg/m3 (27) 27.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 15.0 ppb (12) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 11.0 ppb (8) N/A 13.0 μg/m3 (12) 9.7 μg/m3 (40) 40.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 6.0 ppb (5) N/A 10.0 μg/m3 (9) 6.9 μg/m3 (29) 29.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 16.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (13) N/A 17.0 μg/m3 (15) 3.8 μg/m3 (16) 16.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 35.0 ppb (27) N/A 47.0 μg/m3 (43) 12.7 μg/m3 (51) 51.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 32.0 ppb (25) N/A 88.0 μg/m3 (66) 11.6 μg/m3 (48) 66.0