ID: 2547

AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

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

Updated: Oct. 29, 2020, 7:39 a.m.

Location: Celaya (Pípila), MX

Reporting: True, Located: True

Current AQI: 110.0

Celaya (Pípila) MX, MX: 20.518317, -100.81591

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Oct. 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 50.2 μg/m3 (47) 22.5 μg/m3 (73) 72.0
 
Oct. 6, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 43.3 μg/m3 (41) 25.4 μg/m3 (79) 79.0
 
Oct. 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.6 μg/m3 (40) 19.0 μg/m3 (66) 65.0
 
Oct. 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 52.3 μg/m3 (49) 12.8 μg/m3 (53) 52.0
 
Oct. 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 56.7 μg/m3 (52) 13.9 μg/m3 (55) 54.0
 
Oct. 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 45.6 μg/m3 (43) 12.2 μg/m3 (52) 50.0
 
Oct. 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.4 μg/m3 (45) 26.5 μg/m3 (82) 81.0
 
Oct. 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.1 μg/m3 (44) 12.9 μg/m3 (53) 52.0
 
Oct. 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.2 μg/m3 (40) 16.7 μg/m3 (61) 60.0
 
Oct. 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.1 μg/m3 (54) 10.8 μg/m3 (46) 53.0
 
Oct. 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.4 μg/m3 (52) 16.9 μg/m3 (62) 60.0
 
Oct. 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.4 μg/m3 (47) 15.7 μg/m3 (59) 58.0
 
Oct. 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.5 μg/m3 (30) 18.6 μg/m3 (65) 64.0
 
Oct. 5, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (22) 18.7 μg/m3 (65) 64.0
 
Oct. 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (21) 14.8 μg/m3 (57) 56.0
 
Oct. 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 13.6 μg/m3 (55) 53.0
 
Oct. 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 21.8 μg/m3 (72) 71.0
 
Oct. 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.1 μg/m3 (26) 19.7 μg/m3 (67) 66.0
 
Oct. 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 25.9 μg/m3 (81) 80.0
 
Oct. 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.3 μg/m3 (37) 13.0 μg/m3 (53) 52.0
 
Oct. 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 18.8 μg/m3 (66) 64.0
 
Oct. 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (22) 17.1 μg/m3 (62) 61.0
 
Oct. 4, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 21.1 μg/m3 (70) 69.0
 
Oct. 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 16.8 μg/m3 (61) 60.0
 
Oct. 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 22.6 μg/m3 (74) 73.0
 
Oct. 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 27.5 μg/m3 (84) 83.0
 
Oct. 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) 28.0 μg/m3 (85) 84.0
 
Oct. 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (22) 27.6 μg/m3 (84) 83.0
 
Oct. 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (22) 24.5 μg/m3 (78) 77.0
 
Oct. 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.8 μg/m3 (26) 26.0 μg/m3 (81) 80.0
 
Oct. 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.9 μg/m3 (40) 26.4 μg/m3 (82) 81.0
 
Oct. 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.2 μg/m3 (28) 28.6 μg/m3 (86) 85.0
 
Oct. 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.9 μg/m3 (34) 12.3 μg/m3 (52) 51.0
 
Oct. 4, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 85.8 μg/m3 (67) 5.8 μg/m3 (25) 65.0
 
Oct. 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.1 μg/m3 (36) 5.0 μg/m3 (21) 35.0
 
Oct. 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.1 μg/m3 (39) 5.0 μg/m3 (21) 37.0
 
Oct. 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.3 μg/m3 (42) 5.0 μg/m3 (21) 41.0
 
Oct. 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.2 μg/m3 (27) 5.0 μg/m3 (21) 26.0
 
Oct. 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.9 μg/m3 (42) 5.0 μg/m3 (21) 41.0
 
Oct. 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.4 μg/m3 (40) 5.5 μg/m3 (23) 39.0
 
Oct. 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.6 μg/m3 (38) 6.8 μg/m3 (29) 37.0
 
Oct. 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.2 μg/m3 (43) 9.8 μg/m3 (41) 42.0
 
Oct. 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.1 μg/m3 (39) 10.5 μg/m3 (44) 44.0
 
Oct. 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (29) 9.5 μg/m3 (40) 40.0
 
Oct. 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (25) 16.0 μg/m3 (60) 59.0
 
Oct. 3, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 16.6 μg/m3 (61) 60.0
 
Oct. 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 12.8 μg/m3 (53) 52.0
 
Oct. 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 17.1 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
Oct. 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 15.7 μg/m3 (15) 14.5 μg/m3 (57) 55.0
 
Oct. 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 18.5 μg/m3 (18) 15.5 μg/m3 (59) 57.0
 
Oct. 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.8 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
Oct. 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 17.9 μg/m3 (17) 24.9 μg/m3 (78) 77.0
 
Oct. 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 29.6 μg/m3 (28) 24.5 μg/m3 (78) 77.0
 
Oct. 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 31.9 μg/m3 (30) 28.9 μg/m3 (87) 86.0
 
Oct. 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 38.3 μg/m3 (36) 28.3 μg/m3 (86) 85.0
 
Oct. 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 46.3 μg/m3 (43) 20.2 μg/m3 (69) 67.0
 
Oct. 3, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 53.4 μg/m3 (50) 7.1 μg/m3 (30) 49.0
 
Oct. 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 49.9 μg/m3 (47) 5.0 μg/m3 (21) 45.0
 
Oct. 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 52.8 μg/m3 (49) 5.0 μg/m3 (21) 48.0
 
Oct. 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 56.9 μg/m3 (52) 7.6 μg/m3 (32) 51.0
 
Oct. 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 53.1 μg/m3 (50) 5.4 μg/m3 (23) 48.0
 
Oct. 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 63.3 μg/m3 (56) 8.7 μg/m3 (37) 54.0
 
Oct. 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 54.7 μg/m3 (51) 13.3 μg/m3 (54) 53.0
 
Oct. 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 49.0 μg/m3 (46) 14.7 μg/m3 (57) 56.0
 
Oct. 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 49.1 μg/m3 (46) 11.3 μg/m3 (48) 47.0
 
Oct. 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 51.5 μg/m3 (48) 7.1 μg/m3 (30) 47.0
 
Oct. 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 26.4 μg/m3 (25) 8.1 μg/m3 (34) 34.0
 
Oct. 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 21.1 μg/m3 (20) 10.7 μg/m3 (45) 45.0
 
Oct. 2, 2020, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 16.8 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
Oct. 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 15.9 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
Oct. 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 15.3 μg/m3 (15) 13.5 μg/m3 (54) 53.0
 
Oct. 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 18.0 μg/m3 (17) 17.9 μg/m3 (64) 63.0
 
Oct. 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 13.7 μg/m3 (13) 20.3 μg/m3 (69) 68.0
 
Oct. 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.5 μg/m3 (17) 18.3 μg/m3 (65) 63.0
 
Oct. 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 25.7 μg/m3 (24) 24.6 μg/m3 (78) 77.0
 
Oct. 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 25.6 μg/m3 (24) 24.1 μg/m3 (77) 76.0
 
Oct. 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 33.0 μg/m3 (31) 24.2 μg/m3 (77) 76.0
 
Oct. 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 42.6 μg/m3 (40) 28.7 μg/m3 (86) 86.0
 
Oct. 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 43.2 μg/m3 (40) 15.4 μg/m3 (58) 57.0
 
Oct. 2, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 48.6 μg/m3 (45) 10.7 μg/m3 (45) 45.0
 
Oct. 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 47.0 μg/m3 (44) 5.0 μg/m3 (21) 43.0
 
Oct. 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 49.0 μg/m3 (46) 5.0 μg/m3 (21) 45.0
 
Oct. 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 44.3 μg/m3 (42) 5.0 μg/m3 (21) 40.0
 
Oct. 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 53.3 μg/m3 (50) 5.0 μg/m3 (21) 48.0
 
Oct. 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 44.3 μg/m3 (42) 5.0 μg/m3 (21) 42.0
 
Oct. 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 40.0 μg/m3 (38) 8.4 μg/m3 (36) 36.0
 
Oct. 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 40.5 μg/m3 (38) 5.0 μg/m3 (21) 37.0
 
Oct. 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 39.7 μg/m3 (37) 7.2 μg/m3 (31) 36.0
 
Oct. 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 38.1 μg/m3 (36) 9.1 μg/m3 (38) 38.0
 
Oct. 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 29.6 μg/m3 (28) 14.2 μg/m3 (56) 55.0
 
Oct. 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 30.8 μg/m3 (29) 17.9 μg/m3 (64) 63.0
 
Oct. 1, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 30.6 μg/m3 (29) 14.7 μg/m3 (57) 56.0
 
Oct. 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 15.7 μg/m3 (15) 19.1 μg/m3 (66) 65.0
 
Oct. 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 23.1 μg/m3 (22) 16.1 μg/m3 (60) 59.0
 
Oct. 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 23.4 μg/m3 (22) 16.8 μg/m3 (61) 60.0
 
Oct. 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 25.2 μg/m3 (24) 25.1 μg/m3 (79) 78.0
 
Oct. 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 30.9 μg/m3 (29) 30.0 μg/m3 (89) 88.0
 
Oct. 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 38.5 μg/m3 (36) 21.4 μg/m3 (71) 70.0
 
Oct. 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 35.1 μg/m3 (33) 26.5 μg/m3 (82) 81.0
 
Oct. 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 58.4 μg/m3 (53) 26.9 μg/m3 (83) 82.0
 
Oct. 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 48.2 μg/m3 (45) 29.7 μg/m3 (89) 88.0
 
Oct. 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 41.0 μg/m3 (38) 14.4 μg/m3 (56) 55.0
 
Oct. 1, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 45.6 μg/m3 (43) 8.8 μg/m3 (37) 41.0
 
Sept. 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 40.9 μg/m3 (38) 5.0 μg/m3 (21) 42.0
 
Sept. 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 45.9 μg/m3 (43) 5.0 μg/m3 (21) 45.0
 
Sept. 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 49.8 μg/m3 (47) 5.0 μg/m3 (21) 46.0
 
Sept. 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 55.0 μg/m3 (51) 5.0 μg/m3 (21) 50.0
 
Sept. 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 46.1 μg/m3 (43) 7.3 μg/m3 (31) 42.0
 
Sept. 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 42.3 μg/m3 (40) 5.6 μg/m3 (24) 38.0
 
Sept. 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 44.1 μg/m3 (41) 10.5 μg/m3 (44) 44.0
 
Sept. 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 35.1 μg/m3 (33) 6.5 μg/m3 (28) 32.0
 
Sept. 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 46.5 μg/m3 (44) 5.6 μg/m3 (24) 42.0
 
Sept. 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 1.32 ppb (15) 28.4 μg/m3 (27) 10.5 μg/m3 (44) 44.0
 
Sept. 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 1.29 ppb (15) 24.2 μg/m3 (23) 11.8 μg/m3 (50) 49.0
 
Sept. 30, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 1.28 ppb (15) 18.7 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
Sept. 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 1.29 ppb (15) 15.7 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Sept. 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 1.29 ppb (15) 18.9 μg/m3 (18) 9.5 μg/m3 (40) 40.0
 
Sept. 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 1.21 ppb (14) 56.7 μg/m3 (52) 5.6 μg/m3 (24) 51.0
 
Sept. 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) 1.24 ppb (14) 50.5 μg/m3 (47) 5.4 μg/m3 (23) 46.0
 
Sept. 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 1.25 ppb (14) 52.1 μg/m3 (49) 7.8 μg/m3 (33) 47.0
 
Sept. 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 1.26 ppb (15) 77.5 μg/m3 (63) 6.9 μg/m3 (29) 61.0
 
Sept. 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 1.27 ppb (15) 56.7 μg/m3 (52) 9.1 μg/m3 (38) 51.0
 
Sept. 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 1.28 ppb (15) 44.9 μg/m3 (42) 8.0 μg/m3 (34) 41.0
 
Sept. 29, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 1.27 ppb (15) 40.4 μg/m3 (38) 9.9 μg/m3 (42) 41.0
 
Sept. 29, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 1.23 ppb (14) 41.7 μg/m3 (39) 26.5 μg/m3 (82) 81.0
 
Sept. 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.17 ppb (14) 28.5 μg/m3 (27) 31.5 μg/m3 (92) 91.0
 
Sept. 29, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 1.14 ppb (13) 27.6 μg/m3 (26) 22.8 μg/m3 (74) 73.0
 
Sept. 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 1.1 ppb (13) 21.1 μg/m3 (20) 28.8 μg/m3 (87) 86.0
 
Sept. 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 1.06 ppb (13) 25.1 μg/m3 (24) 25.8 μg/m3 (80) 79.0
 
Sept. 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 1.02 ppb (12) 14.7 μg/m3 (14) 18.9 μg/m3 (66) 65.0
 
Sept. 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.99 ppb (12) 22.2 μg/m3 (21) 22.2 μg/m3 (73) 72.0
 
Sept. 29, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.94 ppb (11) 19.7 μg/m3 (19) 15.5 μg/m3 (59) 57.0
 
Sept. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 1.12 ppb (13) 22.8 μg/m3 (22) 6.5 μg/m3 (28) 43.0
 
Sept. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 1.22 ppb (14) 23.6 μg/m3 (22) 5.0 μg/m3 (21) 45.0
 
Sept. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 1.29 ppb (15) 18.3 μg/m3 (17) 5.0 μg/m3 (21) 44.0
 
Sept. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 1.34 ppb (15) 45.0 μg/m3 (42) 5.5 μg/m3 (23) 41.0
 
Sept. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) 1.34 ppb (15) 46.7 μg/m3 (44) 5.1 μg/m3 (22) 42.0
 
Sept. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) 1.34 ppb (15) 159.7 μg/m3 (104) 25.3 μg/m3 (79) 102.0
 
Sept. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 1.3 ppb (15) 49.3 μg/m3 (46) 19.2 μg/m3 (66) 65.0
 
Sept. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.25 ppb (14) 35.4 μg/m3 (33) 26.0 μg/m3 (81) 80.0
 
Sept. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.19 ppb (14) 33.4 μg/m3 (31) 27.6 μg/m3 (84) 83.0
 
Sept. 27, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.15 ppb (13) 25.7 μg/m3 (24) 28.0 μg/m3 (85) 84.0
 
Sept. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 1.1 ppb (13) 19.2 μg/m3 (18) 25.6 μg/m3 (80) 79.0
 
Sept. 27, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 1.07 ppb (13) 35.0 μg/m3 (33) 23.0 μg/m3 (74) 73.0
 
Sept. 27, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 1.01 ppb (12) 29.3 μg/m3 (28) 19.8 μg/m3 (68) 67.0
 
Sept. 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.97 ppb (12) 29.4 μg/m3 (28) 21.8 μg/m3 (72) 71.0
 
Sept. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.91 ppb (11) 29.5 μg/m3 (28) 28.5 μg/m3 (86) 85.0
 
Sept. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.87 ppb (11) 26.6 μg/m3 (25) 16.3 μg/m3 (60) 59.0
 
Sept. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.83 ppb (10) 35.6 μg/m3 (33) 23.9 μg/m3 (76) 75.0
 
Sept. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.81 ppb (10) 36.8 μg/m3 (35) 24.9 μg/m3 (78) 77.0
 
Sept. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.81 ppb (10) 35.7 μg/m3 (34) 23.3 μg/m3 (75) 74.0
 
Sept. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.83 ppb (10) 30.6 μg/m3 (29) 19.7 μg/m3 (67) 66.0
 
Sept. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.87 ppb (11) 33.9 μg/m3 (32) 16.4 μg/m3 (61) 59.0
 
Sept. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.92 ppb (11) 33.0 μg/m3 (31) 13.2 μg/m3 (54) 53.0
 
Sept. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.99 ppb (12) 79.3 μg/m3 (64) 9.2 μg/m3 (39) 62.0
 
Sept. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) 1.09 ppb (13) 52.4 μg/m3 (49) 5.9 μg/m3 (25) 48.0
 
Sept. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 1.19 ppb (14) 37.9 μg/m3 (36) 5.5 μg/m3 (23) 46.0
 
Sept. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 1.27 ppb (15) 41.2 μg/m3 (39) 5.0 μg/m3 (21) 41.0
 
Sept. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) 1.32 ppb (15) 50.0 μg/m3 (47) 9.5 μg/m3 (40) 45.0
 
Sept. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 1.34 ppb (15) 51.9 μg/m3 (49) 11.4 μg/m3 (48) 48.0
 
Sept. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 1.34 ppb (15) 61.4 μg/m3 (55) 21.9 μg/m3 (72) 71.0
 
Sept. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 1.3 ppb (15) 60.5 μg/m3 (54) 24.8 μg/m3 (78) 77.0
 
Sept. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.25 ppb (14) 44.3 μg/m3 (42) 29.9 μg/m3 (89) 88.0
 
Sept. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) 1.19 ppb (14) 35.2 μg/m3 (33) 32.3 μg/m3 (94) 93.0
 
Sept. 26, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) 1.15 ppb (13) 33.7 μg/m3 (32) 30.4 μg/m3 (90) 89.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.11 ppb (13) 36.3 μg/m3 (34) 29.3 μg/m3 (88) 87.0
 
Sept. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) 1.07 ppb (13) 35.9 μg/m3 (34) 28.9 μg/m3 (87) 86.0
 
Sept. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.0 ppb (12) 30.1 μg/m3 (28) 29.3 μg/m3 (88) 87.0