ID: 2547

AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

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

Updated: Sept. 24, 2020, 8:40 p.m.

Location: Celaya (Pípila), MX

Reporting: True, Located: True

Current AQI: 50.0

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
Sept. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 1.03 ppb (11) 50.2 μg/m3 (46) 6.0 μg/m3 (25) 50.0
 
Sept. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 1.07 ppb (12) 49.2 μg/m3 (45) 12.6 μg/m3 (51) 51.0
 
Sept. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 1.08 ppb (12) 48.4 μg/m3 (44) 16.6 μg/m3 (60) 60.0
 
Sept. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 1.07 ppb (12) 53.3 μg/m3 (48) 20.4 μg/m3 (68) 68.0
 
Sept. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 1.04 ppb (12) 50.8 μg/m3 (46) 15.7 μg/m3 (58) 58.0
 
Sept. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 1.0 ppb (11) 47.7 μg/m3 (43) 28.3 μg/m3 (85) 85.0
 
Sept. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.94 ppb (10) 44.4 μg/m3 (40) 35.8 μg/m3 (101) 101.0
 
Sept. 24, 2020, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.88 ppb (10) 36.9 μg/m3 (34) 35.2 μg/m3 (99) 99.0
 
Sept. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.85 ppb (9) 32.1 μg/m3 (29) 21.7 μg/m3 (71) 71.0
 
Sept. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.82 ppb (9) 18.0 μg/m3 (16) 28.4 μg/m3 (85) 85.0
 
Sept. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.79 ppb (9) 31.0 μg/m3 (28) 21.5 μg/m3 (70) 70.0
 
Sept. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.77 ppb (9) 32.0 μg/m3 (29) 30.8 μg/m3 (90) 90.0
 
Sept. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.75 ppb (8) 24.0 μg/m3 (22) 27.5 μg/m3 (83) 83.0
 
Sept. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.73 ppb (8) 31.0 μg/m3 (28) 23.0 μg/m3 (73) 73.0
 
Sept. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.67 ppb (7) 58.0 μg/m3 (52) 27.6 μg/m3 (83) 83.0
 
Sept. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.64 ppb (7) 86.0 μg/m3 (66) 38.2 μg/m3 (107) 107.0
 
Sept. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.61 ppb (7) N/A 29.3 μg/m3 (87) 87.0
 
Sept. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.6 ppb (7) N/A 27.8 μg/m3 (84) 84.0
 
Sept. 24, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.61 ppb (7) 42.0 μg/m3 (38) 24.0 μg/m3 (76) 76.0
 
Sept. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.67 ppb (7) 43.0 μg/m3 (39) 18.2 μg/m3 (63) 63.0
 
Sept. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.76 ppb (8) 41.0 μg/m3 (37) 8.1 μg/m3 (34) 44.0
 
Sept. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.85 ppb (9) 49.0 μg/m3 (45) 5.5 μg/m3 (23) 46.0
 
Sept. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) 0.92 ppb (10) 51.0 μg/m3 (46) 7.6 μg/m3 (32) 47.0
 
Sept. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.96 ppb (11) 59.0 μg/m3 (52) 10.5 μg/m3 (44) 52.0
 
Sept. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.98 ppb (11) 49.0 μg/m3 (45) 18.3 μg/m3 (63) 63.0
 
Sept. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.97 ppb (11) 25.0 μg/m3 (23) 9.6 μg/m3 (40) 40.0
 
Sept. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) 0.95 ppb (11) 25.0 μg/m3 (23) 5.7 μg/m3 (24) 30.0
 
Sept. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.92 ppb (10) 32.0 μg/m3 (29) 11.7 μg/m3 (49) 49.0
 
Sept. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.88 ppb (10) 20.0 μg/m3 (18) 26.2 μg/m3 (80) 80.0
 
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.84 ppb (9) 14.0 μg/m3 (13) 17.4 μg/m3 (61) 61.0
 
Sept. 23, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.83 ppb (9) 15.0 μg/m3 (14) 16.5 μg/m3 (60) 60.0
 
Sept. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.8 ppb (9) 11.0 μg/m3 (10) 21.2 μg/m3 (70) 70.0
 
Sept. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.76 ppb (8) 22.0 μg/m3 (20) 18.0 μg/m3 (63) 63.0
 
Sept. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.72 ppb (8) 49.0 μg/m3 (45) 31.0 μg/m3 (90) 90.0
 
Sept. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.67 ppb (7) 26.0 μg/m3 (24) 53.2 μg/m3 (144) 144.0
 
Sept. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.6 ppb (7) 16.0 μg/m3 (15) 29.0 μg/m3 (86) 86.0
 
Sept. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.54 ppb (6) 17.0 μg/m3 (15) 26.4 μg/m3 (81) 81.0
 
Sept. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.4 ppb (4) 20.0 μg/m3 (18) 22.1 μg/m3 (71) 71.0
 
Sept. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.35 ppb (4) N/A 29.2 μg/m3 (87) 87.0
 
Sept. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.32 ppb (4) 116.0 μg/m3 (80) 40.2 μg/m3 (112) 112.0
 
Sept. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.33 ppb (4) 80.0 μg/m3 (62) 32.8 μg/m3 (94) 94.0
 
Sept. 23, 2020, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.36 ppb (4) 52.0 μg/m3 (47) 23.7 μg/m3 (75) 75.0
 
Sept. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.39 ppb (4) 51.0 μg/m3 (46) 9.3 μg/m3 (39) 46.0
 
Sept. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.43 ppb (5) 32.0 μg/m3 (29) 8.3 μg/m3 (35) 45.0
 
Sept. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.51 ppb (6) 35.0 μg/m3 (32) 5.6 μg/m3 (23) 44.0
 
Sept. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.58 ppb (6) 28.0 μg/m3 (25) 5.8 μg/m3 (24) 44.0
 
Sept. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.66 ppb (7) 32.0 μg/m3 (29) 5.0 μg/m3 (21) 42.0
 
Sept. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.71 ppb (8) 34.0 μg/m3 (31) 6.1 μg/m3 (25) 42.0
 
Sept. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.73 ppb (8) 34.0 μg/m3 (31) 5.5 μg/m3 (23) 38.0
 
Sept. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.71 ppb (8) 54.0 μg/m3 (49) 10.5 μg/m3 (44) 49.0
 
Sept. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.69 ppb (8) 53.0 μg/m3 (48) 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.63 ppb (7) 30.0 μg/m3 (27) 20.8 μg/m3 (69) 69.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.6 ppb (7) 36.0 μg/m3 (33) 28.7 μg/m3 (86) 86.0
 
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.54 ppb (6) 31.0 μg/m3 (28) 33.1 μg/m3 (95) 95.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.52 ppb (6) 26.0 μg/m3 (24) 26.7 μg/m3 (81) 81.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.47 ppb (5) 28.0 μg/m3 (25) 23.1 μg/m3 (74) 74.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.43 ppb (5) 31.0 μg/m3 (28) 28.5 μg/m3 (85) 85.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.38 ppb (4) 19.0 μg/m3 (17) 29.4 μg/m3 (87) 87.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.33 ppb (4) 21.0 μg/m3 (19) 28.6 μg/m3 (85) 85.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.28 ppb (3) 22.0 μg/m3 (20) 26.1 μg/m3 (80) 80.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.24 ppb (3) 17.0 μg/m3 (15) 24.9 μg/m3 (77) 77.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.23 ppb (3) 29.0 μg/m3 (26) 27.1 μg/m3 (82) 82.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.24 ppb (3) 53.0 μg/m3 (48) 30.3 μg/m3 (89) 89.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.25 ppb (3) 31.0 μg/m3 (28) 29.3 μg/m3 (87) 87.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.29 ppb (3) 29.0 μg/m3 (26) 8.2 μg/m3 (34) 38.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.35 ppb (4) 24.0 μg/m3 (22) 7.2 μg/m3 (30) 38.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.44 ppb (5) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 38.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.54 ppb (6) 29.0 μg/m3 (26) 5.0 μg/m3 (21) 37.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.62 ppb (7) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 41.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.66 ppb (7) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 38.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.67 ppb (7) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 33.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.66 ppb (7) 29.0 μg/m3 (26) 9.2 μg/m3 (38) 38.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.64 ppb (7) 45.0 μg/m3 (41) 13.0 μg/m3 (52) 52.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.61 ppb (7) 39.0 μg/m3 (35) 10.1 μg/m3 (42) 42.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.54 ppb (6) 37.0 μg/m3 (34) 18.5 μg/m3 (64) 64.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.5 ppb (6) 24.0 μg/m3 (22) 16.9 μg/m3 (60) 60.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) 0.48 ppb (5) 20.0 μg/m3 (18) 23.7 μg/m3 (75) 75.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.45 ppb (5) 12.0 μg/m3 (11) 16.9 μg/m3 (60) 60.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.43 ppb (5) 16.0 μg/m3 (15) 22.1 μg/m3 (71) 71.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.4 ppb (4) 14.0 μg/m3 (13) 19.7 μg/m3 (66) 66.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.37 ppb (4) 18.0 μg/m3 (16) 20.3 μg/m3 (68) 68.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.34 ppb (4) 16.0 μg/m3 (15) 16.1 μg/m3 (59) 59.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.31 ppb (3) 17.0 μg/m3 (15) 18.8 μg/m3 (64) 64.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.25 ppb (3) 22.0 μg/m3 (20) 24.9 μg/m3 (77) 77.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.22 ppb (2) 23.0 μg/m3 (21) 25.0 μg/m3 (78) 78.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.19 ppb (2) 34.0 μg/m3 (31) 20.3 μg/m3 (68) 68.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.17 ppb (2) 24.0 μg/m3 (22) 22.1 μg/m3 (71) 71.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.2 ppb (2) 20.0 μg/m3 (18) 13.4 μg/m3 (53) 53.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.25 ppb (3) 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.3 ppb (3) 21.0 μg/m3 (19) 5.5 μg/m3 (23) 36.0
 
Sept. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.37 ppb (4) 21.0 μg/m3 (19) 5.1 μg/m3 (21) 39.0
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.42 ppb (5) 18.0 μg/m3 (16) 5.0 μg/m3 (21) 38.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.45 ppb (5) 25.0 μg/m3 (23) 5.1 μg/m3 (21) 36.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.45 ppb (5) 21.0 μg/m3 (19) 5.7 μg/m3 (24) 35.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.46 ppb (5) 25.0 μg/m3 (23) 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.46 ppb (5) 25.0 μg/m3 (23) 18.2 μg/m3 (63) 63.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.46 ppb (5) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.44 ppb (5) 22.0 μg/m3 (20) 13.1 μg/m3 (52) 52.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.43 ppb (5) 16.0 μg/m3 (15) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.42 ppb (5) 7.0 μg/m3 (6) 15.3 μg/m3 (57) 57.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.41 ppb (5) 10.0 μg/m3 (9) 12.1 μg/m3 (50) 50.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.4 ppb (4) 12.0 μg/m3 (11) 13.8 μg/m3 (54) 54.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.38 ppb (4) 15.0 μg/m3 (14) 12.6 μg/m3 (51) 51.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.36 ppb (4) 11.0 μg/m3 (10) 13.7 μg/m3 (54) 54.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.34 ppb (4) 9.0 μg/m3 (8) 12.5 μg/m3 (51) 51.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.32 ppb (4) 9.0 μg/m3 (8) 15.2 μg/m3 (57) 57.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.28 ppb (3) 19.0 μg/m3 (17) 19.5 μg/m3 (66) 66.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.27 ppb (3) 19.0 μg/m3 (17) 18.5 μg/m3 (64) 64.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) 0.25 ppb (3) 25.0 μg/m3 (23) 21.7 μg/m3 (71) 71.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.23 ppb (3) 25.0 μg/m3 (23) 16.6 μg/m3 (60) 60.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.22 ppb (2) 22.0 μg/m3 (20) 11.6 μg/m3 (48) 48.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.24 ppb (3) 21.0 μg/m3 (19) 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.27 ppb (3) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 26.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.31 ppb (3) 19.0 μg/m3 (17) 5.5 μg/m3 (23) 29.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.34 ppb (4) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 29.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) 0.36 ppb (4) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 28.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.35 ppb (4) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 26.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.35 ppb (4) 25.0 μg/m3 (23) 5.1 μg/m3 (21) 25.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.33 ppb (4) 24.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.32 ppb (4) 23.0 μg/m3 (21) 12.9 μg/m3 (52) 52.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.3 ppb (3) 17.0 μg/m3 (15) 15.1 μg/m3 (57) 57.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.29 ppb (3) 18.0 μg/m3 (16) 15.3 μg/m3 (57) 57.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.28 ppb (3) 11.0 μg/m3 (10) 15.1 μg/m3 (57) 57.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.27 ppb (3) 10.0 μg/m3 (9) 10.3 μg/m3 (43) 43.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.26 ppb (3) 8.0 μg/m3 (7) 15.7 μg/m3 (58) 58.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.23 ppb (3) 11.0 μg/m3 (10) 18.0 μg/m3 (63) 63.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.19 ppb (2) 13.0 μg/m3 (12) 19.2 μg/m3 (65) 65.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.13 ppb (1) 13.0 μg/m3 (12) 20.2 μg/m3 (67) 67.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) 18.7 μg/m3 (64) 64.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 23.0 μg/m3 (21) 18.1 μg/m3 (63) 63.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 24.0 μg/m3 (22) 19.0 μg/m3 (65) 65.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 30.0 μg/m3 (27) 19.7 μg/m3 (66) 66.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 16.0 μg/m3 (15) 18.7 μg/m3 (64) 64.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 30.0 μg/m3 (27) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 30.0 μg/m3 (27) 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.11 ppb (1) 22.0 μg/m3 (20) 5.0 μg/m3 (21) 31.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.18 ppb (2) 28.0 μg/m3 (25) 5.6 μg/m3 (23) 33.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.23 ppb (3) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 34.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.29 ppb (3) 33.0 μg/m3 (30) 5.0 μg/m3 (21) 33.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.31 ppb (3) 23.0 μg/m3 (21) 5.3 μg/m3 (22) 31.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.32 ppb (4) 24.0 μg/m3 (22) 6.1 μg/m3 (25) 26.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.31 ppb (3) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 24.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.29 ppb (3) 16.0 μg/m3 (15) 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.27 ppb (3) 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.26 ppb (3) 20.0 μg/m3 (18) 21.0 μg/m3 (69) 69.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.24 ppb (3) 16.0 μg/m3 (15) 15.9 μg/m3 (58) 58.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.22 ppb (2) 10.0 μg/m3 (9) 16.2 μg/m3 (59) 59.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 12.0 μg/m3 (11) 11.2 μg/m3 (47) 47.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.18 ppb (2) 9.0 μg/m3 (8) 20.1 μg/m3 (67) 67.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.15 ppb (2) 9.0 μg/m3 (8) 19.8 μg/m3 (67) 67.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.12 ppb (1) 10.0 μg/m3 (9) 16.7 μg/m3 (60) 60.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 11.0 μg/m3 (10) 12.2 μg/m3 (50) 50.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 23.0 μg/m3 (21) 20.4 μg/m3 (68) 68.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 28.0 μg/m3 (25) 18.5 μg/m3 (64) 64.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 26.0 μg/m3 (24) 23.8 μg/m3 (75) 75.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 17.0 μg/m3 (15) 14.4 μg/m3 (55) 55.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 27.0 μg/m3 (25) 10.9 μg/m3 (45) 45.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) 0.16 ppb (2) 21.0 μg/m3 (19) 6.3 μg/m3 (26) 32.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.25 ppb (3) 21.0 μg/m3 (19) 5.1 μg/m3 (21) 33.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) 0.33 ppb (4) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 36.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.38 ppb (4) 26.0 μg/m3 (24) 5.0 μg/m3 (21) 32.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.42 ppb (5) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 27.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.44 ppb (5) 34.0 μg/m3 (31) 5.5 μg/m3 (23) 31.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.43 ppb (5) 30.0 μg/m3 (27) 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.41 ppb (5) 24.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.39 ppb (4) 19.0 μg/m3 (17) 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.37 ppb (4) 11.0 μg/m3 (10) 16.9 μg/m3 (60) 60.0