ID: 2547

AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

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

Updated: Oct. 29, 2020, 6:39 a.m.

Location: Celaya (Pípila), MX

Reporting: True, Located: True

Current AQI: 75.0

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. 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 1.05 ppb (13) 52.6 μg/m3 (49) 23.5 μg/m3 (75) 75.0
 
Oct. 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.78 ppb (10) 110.7 μg/m3 (79) 40.2 μg/m3 (113) 113.0
 
Oct. 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.94 ppb (11) N/A 44.4 μg/m3 (123) 123.0
 
Oct. 29, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 1.28 ppb (15) 84.6 μg/m3 (66) 37.7 μg/m3 (107) 107.0
 
Oct. 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 1.03 ppb (12) 57.0 μg/m3 (52) 25.9 μg/m3 (81) 81.0
 
Oct. 29, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.72 ppb (8) 63.0 μg/m3 (55) 23.8 μg/m3 (76) 76.0
 
Oct. 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.72 ppb (8) 65.8 μg/m3 (57) 16.6 μg/m3 (61) 61.0
 
Oct. 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.68 ppb (8) 80.2 μg/m3 (64) 17.1 μg/m3 (62) 64.0
 
Oct. 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.65 ppb (8) 64.8 μg/m3 (56) 17.6 μg/m3 (63) 63.0
 
Oct. 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.68 ppb (8) 74.9 μg/m3 (61) 14.1 μg/m3 (56) 61.0
 
Oct. 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.72 ppb (8) 71.9 μg/m3 (60) 21.6 μg/m3 (71) 71.0
 
Oct. 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) 0.74 ppb (8) 52.9 μg/m3 (49) 13.1 μg/m3 (54) 54.0
 
Oct. 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.68 ppb (8) 61.5 μg/m3 (55) 12.3 μg/m3 (52) 55.0
 
Oct. 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.81 ppb (10) 71.2 μg/m3 (60) 19.6 μg/m3 (67) 67.0
 
Oct. 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.89 ppb (11) 79.3 μg/m3 (64) 24.2 μg/m3 (77) 77.0
 
Oct. 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 1.03 ppb (12) 89.9 μg/m3 (69) 36.0 μg/m3 (103) 103.0
 
Oct. 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.05 ppb (13) 74.0 μg/m3 (61) 35.2 μg/m3 (100) 100.0
 
Oct. 28, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.85 ppb (10) 41.8 μg/m3 (39) 25.8 μg/m3 (80) 80.0
 
Oct. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.69 ppb (8) 54.8 μg/m3 (51) 29.5 μg/m3 (88) 88.0
 
Oct. 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.71 ppb (8) 57.9 μg/m3 (53) 27.0 μg/m3 (83) 83.0
 
Oct. 28, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.73 ppb (8) 66.8 μg/m3 (57) 24.9 μg/m3 (78) 78.0
 
Oct. 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.75 ppb (10) 51.1 μg/m3 (48) 28.3 μg/m3 (86) 86.0
 
Oct. 28, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.84 ppb (10) 54.2 μg/m3 (51) 20.8 μg/m3 (70) 70.0
 
Oct. 28, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) 0.93 ppb (11) 42.2 μg/m3 (40) 20.2 μg/m3 (69) 69.0
 
Oct. 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.72 ppb (8) 54.6 μg/m3 (51) 21.7 μg/m3 (72) 72.0
 
Oct. 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.8 ppb (10) 72.3 μg/m3 (60) 21.6 μg/m3 (71) 71.0
 
Oct. 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 0.84 ppb (10) 128.6 μg/m3 (88) 33.0 μg/m3 (95) 95.0
 
Oct. 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 1.07 ppb (13) 96.5 μg/m3 (72) 36.6 μg/m3 (104) 104.0
 
Oct. 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 1.02 ppb (12) 72.7 μg/m3 (60) 29.1 μg/m3 (87) 87.0
 
Oct. 28, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) 0.73 ppb (8) 79.4 μg/m3 (64) 25.7 μg/m3 (80) 80.0
 
Oct. 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.7 ppb (8) 68.9 μg/m3 (58) 17.6 μg/m3 (63) 84.0
 
Oct. 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) 0.65 ppb (8) 76.7 μg/m3 (62) 13.6 μg/m3 (55) 91.0
 
Oct. 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.67 ppb (8) 52.5 μg/m3 (49) 14.5 μg/m3 (57) 71.0
 
Oct. 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) 0.68 ppb (8) 62.9 μg/m3 (55) 12.2 μg/m3 (52) 74.0
 
Oct. 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) 0.69 ppb (8) 58.5 μg/m3 (53) 10.6 μg/m3 (45) 71.0
 
Oct. 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.71 ppb (8) 95.6 μg/m3 (72) 16.6 μg/m3 (61) 72.0
 
Oct. 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.81 ppb (10) 79.0 μg/m3 (63) 24.3 μg/m3 (77) 77.0
 
Oct. 27, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) 0.88 ppb (11) 96.4 μg/m3 (72) 24.3 μg/m3 (77) 77.0
 
Oct. 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 1.1 ppb (13) 96.9 μg/m3 (72) 24.0 μg/m3 (77) 77.0
 
Oct. 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 1.25 ppb (14) 78.7 μg/m3 (63) 26.1 μg/m3 (81) 81.0
 
Oct. 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.14 ppb (13) 70.0 μg/m3 (59) 29.0 μg/m3 (87) 87.0
 
Oct. 27, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.87 ppb (11) 60.7 μg/m3 (54) 27.9 μg/m3 (85) 85.0
 
Oct. 27, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.07 ppb (13) 78.5 μg/m3 (63) 30.6 μg/m3 (90) 90.0
 
Oct. 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.91 ppb (11) 124.1 μg/m3 (86) 30.4 μg/m3 (90) 90.0
 
Oct. 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.05 ppb (13) 178.3 μg/m3 (113) 46.6 μg/m3 (129) 129.0
 
Oct. 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.43 ppb (16) 148.7 μg/m3 (98) 45.6 μg/m3 (126) 126.0
 
Oct. 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 1.57 ppb (19) 154.9 μg/m3 (101) 38.0 μg/m3 (108) 108.0
 
Oct. 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 1.33 ppb (15) N/A 40.2 μg/m3 (113) 113.0
 
Oct. 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 1.43 ppb (16) 52.3 μg/m3 (49) 32.5 μg/m3 (94) 94.0
 
Oct. 27, 2020, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) 0.73 ppb (8) 43.4 μg/m3 (41) 14.8 μg/m3 (57) 68.0
 
Oct. 26, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.58 ppb (7) 34.9 μg/m3 (33) 14.0 μg/m3 (55) 97.0
 
Oct. 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) 0.58 ppb (7) 45.3 μg/m3 (42) 11.6 μg/m3 (49) 87.0
 
Oct. 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) 0.61 ppb (7) 46.0 μg/m3 (43) 10.8 μg/m3 (46) 100.0
 
Oct. 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.68 ppb (8) 45.5 μg/m3 (43) 15.8 μg/m3 (59) 97.0
 
Oct. 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) 0.69 ppb (8) 46.9 μg/m3 (44) 12.4 μg/m3 (52) 81.0
 
Oct. 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.76 ppb (10) 47.7 μg/m3 (45) 8.6 μg/m3 (36) 49.0
 
Oct. 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.81 ppb (10) 56.5 μg/m3 (52) 16.4 μg/m3 (61) 61.0
 
Oct. 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.82 ppb (10) 57.6 μg/m3 (53) 15.7 μg/m3 (59) 59.0
 
Oct. 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.85 ppb (10) 53.6 μg/m3 (50) 7.0 μg/m3 (30) 50.0
 
Oct. 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.82 ppb (10) 37.1 μg/m3 (35) 9.7 μg/m3 (41) 41.0
 
Oct. 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.7 ppb (8) 37.1 μg/m3 (35) 15.8 μg/m3 (59) 59.0
 
Oct. 26, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.72 ppb (8) 34.5 μg/m3 (32) 13.4 μg/m3 (54) 54.0
 
Oct. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.91 ppb (11) 24.9 μg/m3 (24) 12.9 μg/m3 (53) 53.0
 
Oct. 26, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 1.02 ppb (12) 30.0 μg/m3 (28) 13.9 μg/m3 (55) 55.0
 
Oct. 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.65 ppb (8) 40.6 μg/m3 (38) 12.9 μg/m3 (53) 53.0
 
Oct. 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.65 ppb (8) 46.1 μg/m3 (43) 16.0 μg/m3 (60) 60.0
 
Oct. 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.64 ppb (7) 55.3 μg/m3 (52) 32.9 μg/m3 (95) 95.0
 
Oct. 26, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.8 ppb (10) 47.1 μg/m3 (44) 13.8 μg/m3 (55) 55.0
 
Oct. 26, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.85 ppb (10) 55.6 μg/m3 (52) 17.4 μg/m3 (63) 63.0
 
Oct. 26, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.8 ppb (10) 77.4 μg/m3 (63) 17.8 μg/m3 (63) 63.0
 
Oct. 26, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 1.03 ppb (12) 81.9 μg/m3 (65) 25.5 μg/m3 (80) 80.0
 
Oct. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 1.04 ppb (12) 42.7 μg/m3 (40) 20.1 μg/m3 (68) 68.0
 
Oct. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.75 ppb (10) 34.9 μg/m3 (33) 18.6 μg/m3 (65) 65.0
 
Oct. 26, 2020, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.6 ppb (7) 33.8 μg/m3 (32) 13.5 μg/m3 (54) 54.0
 
Oct. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.56 ppb (7) 31.2 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
Oct. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.59 ppb (7) 31.8 μg/m3 (30) 5.8 μg/m3 (25) 58.0
 
Oct. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.61 ppb (7) 29.2 μg/m3 (28) 9.7 μg/m3 (41) 65.0
 
Oct. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.6 ppb (7) 29.6 μg/m3 (28) 10.5 μg/m3 (44) 58.0
 
Oct. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.62 ppb (7) 32.7 μg/m3 (31) 7.0 μg/m3 (30) 48.0
 
Oct. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) 0.64 ppb (7) 36.1 μg/m3 (34) 7.2 μg/m3 (31) 42.0
 
Oct. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.68 ppb (8) 31.9 μg/m3 (30) 9.0 μg/m3 (38) 38.0
 
Oct. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) 0.72 ppb (8) 35.8 μg/m3 (34) 11.7 μg/m3 (49) 49.0
 
Oct. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) 0.75 ppb (10) 46.7 μg/m3 (44) 16.5 μg/m3 (61) 61.0
 
Oct. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.76 ppb (10) 34.4 μg/m3 (32) 13.8 μg/m3 (55) 55.0
 
Oct. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.7 ppb (8) 28.2 μg/m3 (27) 18.3 μg/m3 (65) 65.0
 
Oct. 25, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.66 ppb (8) 28.9 μg/m3 (27) 15.7 μg/m3 (59) 59.0
 
Oct. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.65 ppb (8) 28.2 μg/m3 (27) 10.9 μg/m3 (46) 46.0
 
Oct. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.7 ppb (8) 40.4 μg/m3 (38) 19.1 μg/m3 (66) 66.0
 
Oct. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.75 ppb (10) 45.1 μg/m3 (42) 21.5 μg/m3 (71) 71.0
 
Oct. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.83 ppb (10) 36.6 μg/m3 (34) 13.4 μg/m3 (54) 54.0
 
Oct. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.74 ppb (8) 47.3 μg/m3 (44) 24.1 μg/m3 (77) 77.0
 
Oct. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.76 ppb (10) 49.1 μg/m3 (46) 18.8 μg/m3 (66) 66.0
 
Oct. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.78 ppb (10) 51.1 μg/m3 (48) 11.9 μg/m3 (50) 50.0
 
Oct. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) 0.78 ppb (10) 69.6 μg/m3 (59) 28.3 μg/m3 (86) 86.0
 
Oct. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.87 ppb (11) 61.5 μg/m3 (55) 21.4 μg/m3 (71) 71.0
 
Oct. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) 0.92 ppb (11) 45.5 μg/m3 (43) 20.2 μg/m3 (69) 69.0
 
Oct. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.74 ppb (8) 42.9 μg/m3 (40) 18.9 μg/m3 (66) 66.0
 
Oct. 25, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) 0.64 ppb (7) 34.9 μg/m3 (33) 14.3 μg/m3 (56) 56.0
 
Oct. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.67 ppb (8) 49.2 μg/m3 (46) 10.2 μg/m3 (43) 46.0
 
Oct. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) 0.69 ppb (8) 49.2 μg/m3 (46) 10.3 μg/m3 (43) 49.0
 
Oct. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.73 ppb (8) 57.6 μg/m3 (53) 14.4 μg/m3 (56) 56.0
 
Oct. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.74 ppb (8) 64.9 μg/m3 (56) 13.0 μg/m3 (53) 56.0
 
Oct. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.74 ppb (8) 68.4 μg/m3 (58) 10.7 μg/m3 (45) 58.0
 
Oct. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.75 ppb (10) 93.8 μg/m3 (71) 13.3 μg/m3 (54) 71.0
 
Oct. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) 0.79 ppb (10) 77.8 μg/m3 (63) 9.3 μg/m3 (39) 63.0
 
Oct. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) 0.84 ppb (10) 88.9 μg/m3 (68) 25.9 μg/m3 (81) 81.0
 
Oct. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.99 ppb (12) 88.1 μg/m3 (68) 24.7 μg/m3 (78) 78.0
 
Oct. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 1.02 ppb (12) 65.6 μg/m3 (57) 32.3 μg/m3 (94) 94.0
 
Oct. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 0.9 ppb (11) 48.4 μg/m3 (45) 15.7 μg/m3 (59) 59.0
 
Oct. 24, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 0.77 ppb (10) 42.4 μg/m3 (40) 14.8 μg/m3 (57) 57.0
 
Oct. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) 0.79 ppb (10) 39.9 μg/m3 (37) 23.2 μg/m3 (75) 75.0
 
Oct. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) 0.85 ppb (10) 47.5 μg/m3 (44) 30.4 μg/m3 (90) 90.0
 
Oct. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 0.83 ppb (10) 50.3 μg/m3 (47) 23.5 μg/m3 (75) 75.0
 
Oct. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 1.01 ppb (12) 50.4 μg/m3 (47) 16.7 μg/m3 (61) 61.0
 
Oct. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.79 ppb (10) 35.9 μg/m3 (34) 17.7 μg/m3 (63) 63.0
 
Oct. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) 0.65 ppb (8) 40.0 μg/m3 (38) 16.1 μg/m3 (60) 60.0
 
Oct. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.73 ppb (8) 50.2 μg/m3 (47) 13.0 μg/m3 (53) 53.0
 
Oct. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.82 ppb (10) 65.8 μg/m3 (57) 12.1 μg/m3 (51) 57.0
 
Oct. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.79 ppb (10) 68.9 μg/m3 (58) 55.1 μg/m3 (150) 150.0
 
Oct. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.82 ppb (10) 65.1 μg/m3 (56) 31.2 μg/m3 (92) 92.0
 
Oct. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) 0.94 ppb (11) 64.6 μg/m3 (56) 23.0 μg/m3 (74) 74.0
 
Oct. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.85 ppb (10) 44.6 μg/m3 (42) 32.7 μg/m3 (95) 95.0
 
Oct. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.71 ppb (8) 38.8 μg/m3 (36) N/A 84.0
 
Oct. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) 0.67 ppb (8) 94.6 μg/m3 (71) 62.0 μg/m3 (155) 155.0
 
Oct. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.67 ppb (8) 44.2 μg/m3 (41) 28.7 μg/m3 (86) 86.0
 
Oct. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) 0.71 ppb (8) 54.6 μg/m3 (51) 16.8 μg/m3 (61) 84.0
 
Oct. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) 0.8 ppb (10) 70.4 μg/m3 (59) 16.8 μg/m3 (61) 94.0
 
Oct. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) 0.9 ppb (11) 65.6 μg/m3 (57) 20.3 μg/m3 (69) 69.0
 
Oct. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) 0.95 ppb (11) 63.4 μg/m3 (56) 15.5 μg/m3 (59) 59.0
 
Oct. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 1.07 ppb (13) 92.2 μg/m3 (70) 19.1 μg/m3 (66) 70.0
 
Oct. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 1.48 ppb (18) 111.6 μg/m3 (80) 20.8 μg/m3 (70) 80.0
 
Oct. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 1.68 ppb (20) 85.1 μg/m3 (66) 21.7 μg/m3 (72) 72.0
 
Oct. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.14 ppb (13) 70.6 μg/m3 (59) 20.7 μg/m3 (70) 70.0
 
Oct. 23, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 1.0 ppb (12) 55.3 μg/m3 (52) 19.7 μg/m3 (67) 67.0
 
Oct. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) 0.87 ppb (11) 43.9 μg/m3 (41) 15.6 μg/m3 (59) 59.0
 
Oct. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) 0.78 ppb (10) 43.5 μg/m3 (41) 18.2 μg/m3 (64) 64.0
 
Oct. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) 0.77 ppb (10) 29.4 μg/m3 (28) 13.6 μg/m3 (55) 55.0
 
Oct. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.67 ppb (8) 36.3 μg/m3 (34) 11.6 μg/m3 (49) 49.0
 
Oct. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) 0.68 ppb (8) 35.0 μg/m3 (33) 8.7 μg/m3 (37) 37.0
 
Oct. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) 0.77 ppb (10) 34.0 μg/m3 (32) 11.7 μg/m3 (49) 49.0
 
Oct. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.74 ppb (8) 33.8 μg/m3 (32) 12.4 μg/m3 (52) 52.0
 
Oct. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) 0.7 ppb (8) 51.8 μg/m3 (48) 12.8 μg/m3 (53) 53.0
 
Oct. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.74 ppb (8) 56.4 μg/m3 (52) 11.4 μg/m3 (48) 52.0
 
Oct. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.83 ppb (10) 65.6 μg/m3 (57) 26.6 μg/m3 (82) 82.0
 
Oct. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.9 ppb (11) 42.0 μg/m3 (39) 19.3 μg/m3 (67) 67.0
 
Oct. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) 0.82 ppb (10) 32.5 μg/m3 (31) 15.2 μg/m3 (58) 58.0
 
Oct. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) 0.76 ppb (10) 41.4 μg/m3 (39) 10.1 μg/m3 (43) 45.0
 
Oct. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) 0.71 ppb (8) 41.1 μg/m3 (39) 10.1 μg/m3 (43) 50.0
 
Oct. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.73 ppb (8) 42.1 μg/m3 (39) 9.9 μg/m3 (42) 48.0
 
Oct. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) 0.71 ppb (8) 39.4 μg/m3 (37) 13.2 μg/m3 (54) 58.0
 
Oct. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) 0.77 ppb (10) 46.8 μg/m3 (44) 9.6 μg/m3 (40) 51.0
 
Oct. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) 0.85 ppb (10) 43.3 μg/m3 (41) 11.7 μg/m3 (49) 49.0
 
Oct. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) 0.86 ppb (11) 67.8 μg/m3 (58) 11.1 μg/m3 (47) 58.0
 
Oct. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) 0.95 ppb (11) 48.3 μg/m3 (45) 20.7 μg/m3 (70) 70.0
 
Oct. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) 0.95 ppb (11) 55.6 μg/m3 (52) 10.8 μg/m3 (46) 52.0
 
Oct. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) 1.1 ppb (13) 34.1 μg/m3 (32) 17.9 μg/m3 (64) 64.0
 
Oct. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) 1.15 ppb (13) 37.3 μg/m3 (35) 15.8 μg/m3 (59) 59.0
 
Oct. 22, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) 1.28 ppb (15) 26.2 μg/m3 (25) 15.5 μg/m3 (59) 59.0
 
Oct. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) 0.73 ppb (8) 24.5 μg/m3 (23) 16.1 μg/m3 (60) 60.0
 
Oct. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) 0.69 ppb (8) 29.3 μg/m3 (28) 11.7 μg/m3 (49) 49.0
 
Oct. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) 1.12 ppb (13) 41.4 μg/m3 (39) 13.5 μg/m3 (54) 53.0
 
Oct. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) 1.15 ppb (13) 46.3 μg/m3 (43) 17.0 μg/m3 (62) 61.0
 
Oct. 13, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 1.3 ppb (15) 43.5 μg/m3 (41) 27.9 μg/m3 (85) 84.0
 
Oct. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 1.23 ppb (14) 43.2 μg/m3 (40) 28.5 μg/m3 (86) 85.0
 
Oct. 13, 2020, noon N/A N/A N/A N/A N/A N/A N/A 1.08 ppb (13) 36.0 μg/m3 (34) 28.4 μg/m3 (86) 85.0
 
Oct. 13, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.99 ppb (12) 37.6 μg/m3 (35) 23.7 μg/m3 (76) 75.0
 
Oct. 13, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.96 ppb (12) 36.9 μg/m3 (35) 26.8 μg/m3 (82) 81.0
 
Oct. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.99 ppb (12) 29.7 μg/m3 (28) 22.7 μg/m3 (74) 73.0