ID: 2547

AQSQID: 80011G001

Site Name: Estaci¢N Seguridad P£Blica

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

Updated: Sept. 22, 2021, 5:02 p.m.

Location: Celaya (Pípila), MX

Reporting: True, Located: True

Current AQI: 58.0

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. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.82 ppb (10) 67.0 μg/m3 (57) 15.1 μg/m3 (58) 58.0
 
Sept. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 0.0 ppb (0) 0.98 ppb (12) 49.0 μg/m3 (46) 17.6 μg/m3 (63) 63.0
 
Sept. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.85 ppb (10) 38.0 μg/m3 (36) 24.6 μg/m3 (78) 78.0
 
Sept. 22, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 3.0 ppb (3) 0.74 ppb (8) 28.0 μg/m3 (26) 20.9 μg/m3 (70) 70.0
 
Sept. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.59 ppb (7) 9.0 μg/m3 (9) 15.5 μg/m3 (59) 59.0
 
Sept. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 0.57 ppb (7) 27.0 μg/m3 (25) 15.1 μg/m3 (58) 58.0
 
Sept. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 0.56 ppb (7) 7.0 μg/m3 (7) 16.8 μg/m3 (61) 61.0
 
Sept. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.56 ppb (7) 36.0 μg/m3 (34) 13.5 μg/m3 (54) 54.0
 
Sept. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) 0.56 ppb (7) 9.0 μg/m3 (9) 19.2 μg/m3 (66) 66.0
 
Sept. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.58 ppb (7) 26.0 μg/m3 (25) 21.3 μg/m3 (71) 71.0
 
Sept. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 11.0 ppb (11) 0.62 ppb (7) 25.0 μg/m3 (24) 27.9 μg/m3 (85) 85.0
 
Sept. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.64 ppb (7) 37.0 μg/m3 (35) 19.4 μg/m3 (67) 67.0
 
Sept. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.64 ppb (7) 51.0 μg/m3 (48) 21.7 μg/m3 (72) 72.0
 
Sept. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.75 ppb (10) 53.0 μg/m3 (50) 23.5 μg/m3 (75) 75.0
 
Sept. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 23.0 ppb (22) 0.83 ppb (10) 44.0 μg/m3 (41) 18.0 μg/m3 (64) 64.0
 
Sept. 22, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 54.0 ppb (50) 0.72 ppb (8) 44.0 μg/m3 (41) 19.2 μg/m3 (66) 66.0
 
Sept. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 68.0 ppb (94) 0.65 ppb (8) 50.0 μg/m3 (47) 4.8 μg/m3 (20) 94.0
 
Sept. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 74.0 ppb (103) 0.66 ppb (8) 37.0 μg/m3 (35) 2.7 μg/m3 (12) 103.0
 
Sept. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 65.0 ppb (84) 0.64 ppb (7) 14.0 μg/m3 (13) 2.0 μg/m3 (9) 84.0
 
Sept. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 49.0 ppb (46) 0.63 ppb (7) 27.0 μg/m3 (25) 7.6 μg/m3 (32) 46.0
 
Sept. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 48.0 ppb (45) 0.68 ppb (8) N/A 5.9 μg/m3 (25) 45.0
 
Sept. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 44.0 ppb (41) 0.73 ppb (8) 27.0 μg/m3 (25) 7.8 μg/m3 (33) 41.0
 
Sept. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 34.0 ppb (32) 0.8 ppb (10) 45.0 μg/m3 (42) 6.3 μg/m3 (27) 42.0
 
Sept. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.74 ppb (8) 54.0 μg/m3 (50) 6.8 μg/m3 (29) 50.0
 
Sept. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (6) 0.97 ppb (12) 87.0 μg/m3 (67) 3.2 μg/m3 (14) 67.0
 
Sept. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.31 ppb (15) 78.0 μg/m3 (63) 19.6 μg/m3 (67) 67.0
 
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.41 ppb (16) 44.0 μg/m3 (41) 22.6 μg/m3 (74) 74.0
 
Sept. 21, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.86 ppb (11) 17.0 μg/m3 (16) 23.6 μg/m3 (76) 76.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.67 ppb (8) 18.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
Sept. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 2.0 ppb (2) 0.62 ppb (7) 36.0 μg/m3 (34) 9.4 μg/m3 (40) 40.0
 
Sept. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 0.56 ppb (7) 10.0 μg/m3 (10) 12.3 μg/m3 (52) 52.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 8.0 ppb (8) 0.56 ppb (7) 17.0 μg/m3 (16) 15.9 μg/m3 (59) 59.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 0.59 ppb (7) 26.0 μg/m3 (25) 26.9 μg/m3 (83) 83.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 8.0 ppb (8) 0.64 ppb (7) 44.0 μg/m3 (41) 19.3 μg/m3 (67) 67.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 0.65 ppb (8) 11.0 μg/m3 (11) 10.5 μg/m3 (44) 44.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 17.0 ppb (16) 0.62 ppb (7) 21.0 μg/m3 (20) 34.0 μg/m3 (98) 98.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.65 ppb (8) 23.0 μg/m3 (22) 39.2 μg/m3 (111) 111.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.62 ppb (7) 49.0 μg/m3 (46) 12.9 μg/m3 (53) 53.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.72 ppb (8) 47.0 μg/m3 (44) 29.3 μg/m3 (88) 88.0
 
Sept. 21, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 50.0 ppb (47) 0.9 ppb (11) 51.0 μg/m3 (48) 34.4 μg/m3 (98) 98.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 55.0 ppb (51) 0.82 ppb (10) 55.0 μg/m3 (51) 20.4 μg/m3 (69) 69.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 49.0 ppb (46) 0.73 ppb (8) 49.0 μg/m3 (46) 16.7 μg/m3 (61) 61.0
 
Sept. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 37.0 ppb (35) 0.63 ppb (7) 29.0 μg/m3 (27) 4.4 μg/m3 (19) 35.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 41.0 ppb (38) 0.69 ppb (8) 41.0 μg/m3 (38) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 40.0 ppb (38) 0.7 ppb (8) 58.0 μg/m3 (53) 8.1 μg/m3 (34) 53.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 29.0 ppb (27) 0.78 ppb (10) 39.0 μg/m3 (37) 11.3 μg/m3 (48) 48.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 0.71 ppb (8) 35.0 μg/m3 (33) 4.9 μg/m3 (21) 33.0
 
Sept. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.8 ppb (10) 33.0 μg/m3 (31) 2.8 μg/m3 (12) 31.0
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.12 ppb (13) 24.0 μg/m3 (23) 13.0 μg/m3 (53) 53.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.01 ppb (12) 25.0 μg/m3 (24) 15.1 μg/m3 (58) 58.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.03 ppb (12) 17.0 μg/m3 (16) 14.5 μg/m3 (57) 57.0
 
Sept. 20, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 3.0 ppb (3) 0.78 ppb (10) 9.0 μg/m3 (9) 6.5 μg/m3 (28) 28.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 0.58 ppb (7) 18.0 μg/m3 (17) 6.1 μg/m3 (26) 26.0
 
Sept. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.57 ppb (7) 0.0 μg/m3 (0) 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.59 ppb (7) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
Sept. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.58 ppb (7) 1.0 μg/m3 (1) 15.3 μg/m3 (58) 58.0
 
Sept. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.58 ppb (7) 10.0 μg/m3 (10) 12.8 μg/m3 (53) 53.0
 
Sept. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.57 ppb (7) 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Sept. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 0.6 ppb (7) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Sept. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.64 ppb (7) 6.0 μg/m3 (6) 5.7 μg/m3 (24) 24.0
 
Sept. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 0.74 ppb (8) 11.0 μg/m3 (11) 41.6 μg/m3 (117) 117.0
 
Sept. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.68 ppb (8) 39.0 μg/m3 (37) 62.7 μg/m3 (155) 155.0
 
Sept. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (23) 0.61 ppb (7) 20.0 μg/m3 (19) 20.9 μg/m3 (70) 70.0
 
Sept. 20, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.62 ppb (7) 15.0 μg/m3 (14) 17.5 μg/m3 (63) 63.0
 
Sept. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 27.0 ppb (25) 0.58 ppb (7) 16.0 μg/m3 (15) 5.3 μg/m3 (23) 25.0
 
Sept. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 30.0 ppb (28) 0.57 ppb (7) 8.0 μg/m3 (8) 3.8 μg/m3 (16) 28.0
 
Sept. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 29.0 ppb (27) 0.54 ppb (6) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 30.0 ppb (28) 0.54 ppb (6) 17.0 μg/m3 (16) 4.6 μg/m3 (20) 28.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 29.0 ppb (27) 0.58 ppb (7) 23.0 μg/m3 (22) 1.6 μg/m3 (7) 27.0
 
Sept. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 25.0 ppb (24) 0.57 ppb (7) 16.0 μg/m3 (15) 4.3 μg/m3 (18) 24.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 0.63 ppb (7) 16.0 μg/m3 (15) 1.9 μg/m3 (8) 18.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.62 ppb (7) 23.0 μg/m3 (22) 1.0 μg/m3 (5) 22.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 0.6 ppb (7) 9.0 μg/m3 (9) 4.1 μg/m3 (18) 18.0
 
Sept. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 0.59 ppb (7) 9.0 μg/m3 (9) 13.3 μg/m3 (54) 54.0
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.58 ppb (7) 16.0 μg/m3 (15) 8.5 μg/m3 (36) 36.0
 
Sept. 19, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 0.54 ppb (6) 29.0 μg/m3 (27) 6.8 μg/m3 (29) 29.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 0.53 ppb (6) 2.0 μg/m3 (2) 12.9 μg/m3 (53) 53.0
 
Sept. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 13.0 ppb (13) 0.53 ppb (6) 23.0 μg/m3 (22) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.53 ppb (6) 15.0 μg/m3 (14) 10.5 μg/m3 (44) 44.0
 
Sept. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.53 ppb (6) 25.0 μg/m3 (24) 13.4 μg/m3 (54) 54.0
 
Sept. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 14.0 ppb (13) 0.54 ppb (6) 27.0 μg/m3 (25) 19.0 μg/m3 (66) 66.0
 
Sept. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.54 ppb (6) 14.0 μg/m3 (13) 22.4 μg/m3 (73) 73.0
 
Sept. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.53 ppb (6) 25.0 μg/m3 (24) 19.2 μg/m3 (66) 66.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.55 ppb (7) 31.0 μg/m3 (29) 22.9 μg/m3 (74) 74.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 16.0 ppb (15) 0.56 ppb (7) 43.0 μg/m3 (40) 8.3 μg/m3 (35) 40.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 0.61 ppb (7) 33.0 μg/m3 (31) 28.9 μg/m3 (87) 87.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 16.0 ppb (15) 0.66 ppb (8) 34.0 μg/m3 (32) 29.8 μg/m3 (89) 89.0
 
Sept. 19, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 34.0 ppb (32) 0.59 ppb (7) 24.0 μg/m3 (23) 6.4 μg/m3 (27) 32.0
 
Sept. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 43.0 ppb (40) 0.58 ppb (7) 31.0 μg/m3 (29) 5.5 μg/m3 (23) 40.0
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 41.0 ppb (38) 0.57 ppb (7) 23.0 μg/m3 (22) 1.0 μg/m3 (5) 38.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 42.0 ppb (39) 0.57 ppb (7) 38.0 μg/m3 (36) 1.0 μg/m3 (5) 39.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 40.0 ppb (38) 0.67 ppb (8) 25.0 μg/m3 (24) 1.1 μg/m3 (5) 38.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 38.0 ppb (36) 0.69 ppb (8) 34.0 μg/m3 (32) 1.3 μg/m3 (6) 36.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 36.0 ppb (34) 0.7 ppb (8) 41.0 μg/m3 (38) 2.1 μg/m3 (9) 38.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.79 ppb (10) 39.0 μg/m3 (37) 5.6 μg/m3 (24) 37.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.84 ppb (10) 35.0 μg/m3 (33) 4.6 μg/m3 (20) 33.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 2.0 ppb (2) 0.85 ppb (10) 39.0 μg/m3 (37) 16.2 μg/m3 (60) 60.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 0.0 ppb (0) 0.79 ppb (10) 24.0 μg/m3 (23) 14.1 μg/m3 (56) 56.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.76 ppb (10) 24.0 μg/m3 (23) 18.5 μg/m3 (65) 65.0
 
Sept. 18, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) 0.66 ppb (8) 27.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 9.0 ppb (9) 0.6 ppb (7) 19.0 μg/m3 (18) 13.7 μg/m3 (55) 55.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.57 ppb (7) 9.0 μg/m3 (9) 14.6 μg/m3 (57) 57.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.56 ppb (7) 9.0 μg/m3 (9) 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.54 ppb (6) 8.0 μg/m3 (8) 17.7 μg/m3 (63) 63.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.54 ppb (6) 5.0 μg/m3 (5) 24.8 μg/m3 (78) 78.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 0.56 ppb (7) 7.0 μg/m3 (7) 10.1 μg/m3 (43) 43.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) 0.58 ppb (7) 10.0 μg/m3 (10) 10.9 μg/m3 (46) 46.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 0.62 ppb (7) 8.0 μg/m3 (8) 18.9 μg/m3 (66) 66.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 18.0 ppb (17) 0.64 ppb (7) 12.0 μg/m3 (12) 39.1 μg/m3 (110) 110.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.69 ppb (8) 14.0 μg/m3 (13) 30.9 μg/m3 (91) 91.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 26.0 ppb (25) 0.67 ppb (8) 30.0 μg/m3 (28) 25.3 μg/m3 (79) 79.0
 
Sept. 18, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 26.0 ppb (25) 0.67 ppb (8) 51.0 μg/m3 (48) 38.6 μg/m3 (109) 109.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 24.0 ppb (23) 0.71 ppb (8) 53.0 μg/m3 (50) 28.5 μg/m3 (86) 86.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 46.0 ppb (43) 0.66 ppb (8) 22.0 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 38.0 ppb (36) 0.61 ppb (7) 31.0 μg/m3 (29) 1.2 μg/m3 (5) 36.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 43.0 ppb (40) 0.63 ppb (7) 39.0 μg/m3 (37) 1.3 μg/m3 (6) 40.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 39.0 ppb (37) 0.68 ppb (8) 34.0 μg/m3 (32) 3.2 μg/m3 (14) 37.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 29.0 ppb (27) 0.67 ppb (8) 54.0 μg/m3 (50) 1.1 μg/m3 (5) 50.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 19.0 ppb (18) 0.79 ppb (10) 43.0 μg/m3 (40) 9.9 μg/m3 (42) 42.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.77 ppb (10) 49.0 μg/m3 (46) 1.0 μg/m3 (5) 46.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 0.0 ppb (0) 0.92 ppb (11) 69.0 μg/m3 (58) 1.0 μg/m3 (5) 58.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A 1.4 ppb (16) 59.0 μg/m3 (53) 34.5 μg/m3 (99) 99.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.23 ppb (14) 37.0 μg/m3 (35) 40.1 μg/m3 (113) 113.0
 
Sept. 17, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.93 ppb (11) 33.0 μg/m3 (31) 16.7 μg/m3 (61) 61.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.68 ppb (8) 29.0 μg/m3 (27) 24.6 μg/m3 (78) 78.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.65 ppb (8) 24.0 μg/m3 (23) 27.3 μg/m3 (83) 83.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) 0.67 ppb (8) 30.0 μg/m3 (28) 30.9 μg/m3 (91) 91.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.74 ppb (8) 32.0 μg/m3 (30) 32.9 μg/m3 (95) 95.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.71 ppb (8) 25.0 μg/m3 (24) 22.0 μg/m3 (72) 72.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.78 ppb (10) 30.0 μg/m3 (28) 13.3 μg/m3 (54) 54.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.91 ppb (11) 32.0 μg/m3 (30) 73.4 μg/m3 (161) 161.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 1.08 ppb (13) 31.0 μg/m3 (29) 26.9 μg/m3 (83) 83.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 0.0 ppb (0) 1.04 ppb (12) 25.0 μg/m3 (24) 29.7 μg/m3 (89) 89.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) 0.89 ppb (11) 12.0 μg/m3 (12) 25.3 μg/m3 (79) 79.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.71 ppb (8) 18.0 μg/m3 (17) 43.4 μg/m3 (121) 121.0
 
Sept. 17, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 26.0 ppb (25) 0.66 ppb (8) 38.0 μg/m3 (36) 64.5 μg/m3 (156) 156.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 39.0 ppb (37) 0.57 ppb (7) 23.0 μg/m3 (22) 21.3 μg/m3 (71) 71.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 47.0 ppb (44) 0.56 ppb (7) 22.0 μg/m3 (21) 10.2 μg/m3 (43) 44.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 45.0 ppb (42) 0.56 ppb (7) 20.0 μg/m3 (19) 1.0 μg/m3 (5) 42.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) 0.59 ppb (7) 25.0 μg/m3 (24) 6.4 μg/m3 (27) 41.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 43.0 ppb (40) 0.6 ppb (7) 22.0 μg/m3 (21) 1.2 μg/m3 (5) 40.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 35.0 ppb (33) 0.61 ppb (7) 25.0 μg/m3 (24) 1.6 μg/m3 (7) 33.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 26.0 ppb (25) 0.6 ppb (7) 35.0 μg/m3 (33) 4.0 μg/m3 (17) 33.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 21.0 ppb (20) 0.66 ppb (8) 34.0 μg/m3 (32) 1.0 μg/m3 (5) 32.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 15.0 ppb (14) 0.69 ppb (8) 48.0 μg/m3 (45) 1.0 μg/m3 (5) 45.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 5.0 ppb (5) 0.79 ppb (10) 32.0 μg/m3 (30) 35.8 μg/m3 (102) 102.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 3.0 ppb (3) 0.73 ppb (8) 41.0 μg/m3 (38) 19.4 μg/m3 (67) 67.0
 
Sept. 16, 2021, noon N/A N/A N/A N/A N/A 8.0 ppb (12) 4.0 ppb (4) 0.69 ppb (8) 36.0 μg/m3 (34) 37.4 μg/m3 (106) 106.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 7.0 ppb (7) 0.68 ppb (8) 26.0 μg/m3 (25) 36.5 μg/m3 (104) 104.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 12.0 ppb (12) 0.64 ppb (7) 32.0 μg/m3 (30) 17.0 μg/m3 (62) 62.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.64 ppb (7) 27.0 μg/m3 (25) 33.8 μg/m3 (97) 97.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 10.0 ppb (10) 0.64 ppb (7) 36.0 μg/m3 (34) 34.7 μg/m3 (99) 99.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 9.0 ppb (9) 0.67 ppb (8) 24.0 μg/m3 (23) 34.2 μg/m3 (98) 98.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 9.0 ppb (9) 0.67 ppb (8) 32.0 μg/m3 (30) 18.7 μg/m3 (65) 65.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 5.0 ppb (5) 0.72 ppb (8) 40.0 μg/m3 (38) 36.2 μg/m3 (103) 103.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 6.0 ppb (6) 0.77 ppb (10) 27.0 μg/m3 (25) 33.3 μg/m3 (96) 96.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 5.0 ppb (5) 0.75 ppb (10) 24.0 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A 0.97 ppb (12) 32.0 μg/m3 (30) 17.7 μg/m3 (63) 63.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 1.0 ppb (1) 0.99 ppb (12) 22.0 μg/m3 (21) 46.9 μg/m3 (130) 130.0
 
Sept. 16, 2021, midnight N/A N/A N/A N/A N/A 8.0 ppb (12) 20.0 ppb (19) 0.71 ppb (8) 42.0 μg/m3 (39) 55.0 μg/m3 (150) 150.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 31.0 ppb (29) 0.6 ppb (7) 39.0 μg/m3 (37) 17.7 μg/m3 (63) 63.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 38.0 ppb (36) 0.58 ppb (7) 51.0 μg/m3 (48) 3.7 μg/m3 (16) 48.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 47.0 ppb (44) 0.67 ppb (8) 51.0 μg/m3 (48) 8.4 μg/m3 (36) 48.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 44.0 ppb (41) 0.7 ppb (8) 55.0 μg/m3 (51) 19.3 μg/m3 (67) 67.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 40.0 ppb (38) 0.74 ppb (8) 59.0 μg/m3 (53) 8.1 μg/m3 (34) 53.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 33.0 ppb (31) 0.79 ppb (10) 65.0 μg/m3 (56) 12.8 μg/m3 (53) 56.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 17.0 ppb (16) 0.95 ppb (11) 91.0 μg/m3 (69) 3.0 μg/m3 (13) 69.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) 3.0 ppb (3) 1.1 ppb (13) 75.0 μg/m3 (61) 6.0 μg/m3 (25) 61.0