AQSQID: 80011G009

Site Name: Estaci¢N Hospital General

Location: Silao, MX

Reporting: True, Located: True

Current AQI: 27.0

Silao MX, MX: 20.9479, -101.4258

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 29.0 ppb (22) N/A 30.0 μg/m3 (27) 1.3 μg/m3 (5) 27.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 28.0 ppb (22) N/A 28.0 μg/m3 (25) 5.4 μg/m3 (23) 25.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 28.0 ppb (22) N/A 9.0 μg/m3 (8) 4.8 μg/m3 (20) 22.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 32.0 ppb (25) N/A 19.0 μg/m3 (17) 0.8 μg/m3 (3) 25.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 18.0 ppb (14) N/A 31.0 μg/m3 (28) 6.4 μg/m3 (27) 28.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 14.0 ppb (11) N/A 33.0 μg/m3 (30) 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 18.0 ppb (14) N/A 16.0 μg/m3 (15) 2.2 μg/m3 (9) 15.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 31.0 ppb (24) N/A 23.0 μg/m3 (21) 4.0 μg/m3 (17) 24.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 36.0 ppb (28) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 28.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 19.0 μg/m3 (17) 2.1 μg/m3 (9) 28.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 30.0 μg/m3 (27) 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 30.0 ppb (23) N/A 37.0 μg/m3 (34) 27.5 μg/m3 (83) 83.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) N/A 23.0 μg/m3 (21) 17.4 μg/m3 (61) 61.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 3.0 ppb (4) 37.0 ppb (28) N/A 17.0 μg/m3 (15) 24.7 μg/m3 (77) 77.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 39.0 ppb (30) N/A 27.0 μg/m3 (25) 5.6 μg/m3 (23) 30.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) N/A 24.0 μg/m3 (22) 29.7 μg/m3 (88) 88.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 25.0 μg/m3 (23) 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 37.0 ppb (28) N/A 22.0 μg/m3 (20) 14.6 μg/m3 (56) 56.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 41.0 ppb (32) N/A 20.0 μg/m3 (18) 15.8 μg/m3 (58) 58.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 37.0 ppb (28) N/A 23.0 μg/m3 (21) 10.8 μg/m3 (45) 45.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 39.0 ppb (30) N/A 25.0 μg/m3 (23) 2.3 μg/m3 (10) 30.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) N/A 41.0 μg/m3 (37) 0.2 μg/m3 (1) 37.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 16.0 ppb (12) N/A 56.0 μg/m3 (50) 3.0 μg/m3 (12) 50.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 6.0 ppb (5) N/A 45.0 μg/m3 (41) 13.1 μg/m3 (52) 52.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 4.0 ppb (3) N/A 40.0 μg/m3 (36) 11.2 μg/m3 (47) 47.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 9.0 ppb (13) 3.0 ppb (2) N/A 23.0 μg/m3 (21) 6.3 μg/m3 (26) 26.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 15.0 ppb (12) N/A 15.0 μg/m3 (14) 12.9 μg/m3 (52) 52.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 28.0 ppb (22) N/A 23.0 μg/m3 (21) 0.7 μg/m3 (3) 22.0
 
Sept. 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 N/A 0.2 μg/m3 (1) 20.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 32.0 ppb (25) N/A 13.0 μg/m3 (12) 0.2 μg/m3 (1) 25.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 36.0 ppb (28) N/A 13.0 μg/m3 (12) 0.9 μg/m3 (4) 28.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) N/A 10.0 μg/m3 (9) 3.1 μg/m3 (13) 25.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) N/A 23.0 μg/m3 (21) 4.9 μg/m3 (20) 25.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 33.0 ppb (25) N/A 20.0 μg/m3 (18) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (21) N/A 16.0 μg/m3 (15) 16.1 μg/m3 (59) 59.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (21) N/A 45.0 μg/m3 (41) 20.2 μg/m3 (67) 67.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A 28.0 μg/m3 (25) 19.6 μg/m3 (66) 66.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 31.0 ppb (24) N/A 18.0 μg/m3 (16) 25.3 μg/m3 (78) 78.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A 26.0 μg/m3 (24) 18.8 μg/m3 (64) 64.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) N/A 20.0 μg/m3 (18) 17.1 μg/m3 (61) 61.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 27.0 ppb (21) N/A 44.0 μg/m3 (40) 17.7 μg/m3 (62) 62.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 28.0 ppb (22) N/A 21.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) N/A 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 20.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 25.0 ppb (19) N/A 19.0 μg/m3 (17) 4.0 μg/m3 (17) 19.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 22.0 ppb (17) N/A 35.0 μg/m3 (32) 1.3 μg/m3 (5) 32.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 12.0 ppb (9) N/A 26.0 μg/m3 (24) 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 10.0 ppb (8) N/A 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 18.0 ppb (14) N/A 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 22.0 ppb (17) N/A 22.0 μg/m3 (20) 3.3 μg/m3 (14) 20.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 21.0 ppb (16) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 16.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 8.0 μg/m3 (7) 0.6 μg/m3 (2) 22.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 35.0 ppb (27) N/A 9.0 μg/m3 (8) 0.2 μg/m3 (1) 27.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 35.0 ppb (27) N/A 19.0 μg/m3 (17) 0.2 μg/m3 (1) 27.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 31.0 ppb (24) N/A 26.0 μg/m3 (24) 0.2 μg/m3 (1) 24.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 13.0 ppb (19) 31.0 ppb (24) N/A 25.0 μg/m3 (23) 100.8 μg/m3 (174) 174.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 15.0 ppb (21) 28.0 ppb (22) N/A 44.0 μg/m3 (40) N/A 40.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 17.0 ppb (24) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A 10.0 ppb (14) 68.0 ppb (52) N/A 22.0 μg/m3 (20) 27.1 μg/m3 (82) 82.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 29.0 ppb (22) N/A 23.0 μg/m3 (21) 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 25.0 μg/m3 (23) 16.5 μg/m3 (60) 60.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 26.0 μg/m3 (24) 19.9 μg/m3 (67) 67.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 25.0 ppb (19) N/A 25.0 μg/m3 (23) 20.1 μg/m3 (67) 67.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 24.0 ppb (18) N/A 26.0 μg/m3 (24) 8.7 μg/m3 (36) 36.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 23.0 ppb (18) N/A 28.0 μg/m3 (25) 0.2 μg/m3 (1) 25.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 25.0 ppb (19) N/A 43.0 μg/m3 (39) 21.2 μg/m3 (70) 70.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 24.0 ppb (18) N/A 46.0 μg/m3 (42) 0.2 μg/m3 (1) 42.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 11.0 ppb (8) N/A 110.0 μg/m3 (78) 61.2 μg/m3 (153) 153.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) 0.0 ppb (0) N/A 64.0 μg/m3 (54) 18.6 μg/m3 (64) 64.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 2.0 ppb (2) N/A 54.0 μg/m3 (49) 52.3 μg/m3 (142) 142.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A 10.0 ppb (14) 1.0 ppb (1) N/A 64.0 μg/m3 (54) 21.5 μg/m3 (70) 70.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 10.0 ppb (14) 2.0 ppb (2) N/A 24.0 μg/m3 (22) 14.6 μg/m3 (56) 56.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 9.0 ppb (7) N/A 29.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 22.0 ppb (17) N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 17.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) 32.0 ppb (25) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 25.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 33.0 ppb (25) N/A 13.0 μg/m3 (12) 0.2 μg/m3 (1) 25.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 17.0 ppb (13) N/A 36.0 μg/m3 (33) 18.6 μg/m3 (64) 64.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 17.0 ppb (13) N/A 27.0 μg/m3 (25) 22.6 μg/m3 (73) 73.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) N/A 40.0 μg/m3 (36) 20.5 μg/m3 (68) 68.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) N/A 27.0 μg/m3 (25) 17.9 μg/m3 (63) 63.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 33.0 ppb (25) N/A 25.0 μg/m3 (23) 15.8 μg/m3 (58) 58.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 33.0 ppb (25) N/A 18.0 μg/m3 (16) 22.4 μg/m3 (72) 72.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 34.0 ppb (26) N/A 23.0 μg/m3 (21) 5.6 μg/m3 (23) 26.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 33.0 ppb (25) N/A 21.0 μg/m3 (19) 1.8 μg/m3 (8) 25.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) N/A 28.0 μg/m3 (25) 0.2 μg/m3 (1) 25.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 30.0 ppb (23) N/A 39.0 μg/m3 (35) 0.2 μg/m3 (1) 35.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 16.0 ppb (12) N/A 73.0 μg/m3 (59) 2.8 μg/m3 (12) 59.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 3.0 ppb (2) N/A 85.0 μg/m3 (65) 20.3 μg/m3 (68) 68.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 8.0 ppb (11) 1.0 ppb (1) N/A 82.0 μg/m3 (64) 14.9 μg/m3 (56) 64.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 4.0 ppb (3) N/A 40.0 μg/m3 (36) 10.8 μg/m3 (45) 45.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 1.0 ppb (1) N/A 34.0 μg/m3 (31) 15.4 μg/m3 (57) 57.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 2.0 ppb (2) N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 19.0 ppb (15) N/A 7.0 μg/m3 (6) 17.0 μg/m3 (61) 61.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 23.0 ppb (18) N/A 6.0 μg/m3 (5) 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 29.0 ppb (22) N/A 12.0 μg/m3 (11) 3.6 μg/m3 (15) 22.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A 15.0 μg/m3 (14) 9.2 μg/m3 (38) 38.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 27.0 μg/m3 (25) 55.8 μg/m3 (150) 150.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 40.0 μg/m3 (36) 16.6 μg/m3 (60) 60.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 38.0 μg/m3 (35) 15.9 μg/m3 (58) 58.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 42.0 μg/m3 (38) 380.0 μg/m3 (420) 420.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 35.0 μg/m3 (32) 394.2 μg/m3 (429) 429.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 83.0 μg/m3 (64) 29.0 μg/m3 (86) 86.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A 32.0 μg/m3 (29) 10.7 μg/m3 (45) 45.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 19.0 μg/m3 (17) 0.2 μg/m3 (1) 32.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 39.0 ppb (30) N/A 21.0 μg/m3 (19) 0.4 μg/m3 (2) 30.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 37.0 ppb (28) N/A 14.0 μg/m3 (13) 2.5 μg/m3 (10) 28.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 5.0 ppb (4) N/A 27.0 μg/m3 (25) 0.2 μg/m3 (1) 25.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 1.0 ppb (1) N/A 33.0 μg/m3 (30) 12.7 μg/m3 (51) 51.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) N/A N/A 17.0 μg/m3 (15) 18.8 μg/m3 (64) 64.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) N/A 25.0 μg/m3 (23) 16.1 μg/m3 (59) 59.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) N/A 11.0 μg/m3 (10) 14.4 μg/m3 (55) 55.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 19.0 ppb (15) N/A 16.0 μg/m3 (15) 11.1 μg/m3 (46) 46.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) N/A 6.0 μg/m3 (5) 11.2 μg/m3 (47) 47.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 14.0 ppb (11) N/A 10.0 μg/m3 (9) 15.4 μg/m3 (57) 57.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 26.0 ppb (20) N/A 11.0 μg/m3 (10) 11.4 μg/m3 (48) 48.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 30.0 ppb (23) N/A 15.0 μg/m3 (14) 6.5 μg/m3 (27) 27.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 55.0 μg/m3 (50) 56.3 μg/m3 (150) 150.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 21.0 ppb (16) N/A 61.0 μg/m3 (53) 28.6 μg/m3 (85) 85.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) N/A 41.0 μg/m3 (37) 5.6 μg/m3 (23) 37.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 48.0 μg/m3 (44) 51.0 μg/m3 (139) 139.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 48.0 ppb (37) N/A 23.0 μg/m3 (21) 39.0 μg/m3 (109) 109.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 51.0 ppb (39) N/A 30.0 μg/m3 (27) 10.9 μg/m3 (45) 45.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 66.0 ppb (51) N/A 16.0 μg/m3 (15) 7.6 μg/m3 (32) 51.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 38.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 47.0 ppb (36) N/A 21.0 μg/m3 (19) 10.1 μg/m3 (42) 42.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 44.0 ppb (34) N/A 26.0 μg/m3 (24) 8.9 μg/m3 (37) 37.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 41.0 ppb (32) N/A 21.0 μg/m3 (19) 3.2 μg/m3 (13) 32.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (28) N/A 35.0 μg/m3 (32) 0.8 μg/m3 (3) 32.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) N/A 55.0 μg/m3 (50) 10.5 μg/m3 (44) 50.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 6.0 ppb (5) N/A 61.0 μg/m3 (53) 3.5 μg/m3 (15) 53.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 44.0 μg/m3 (40) 26.7 μg/m3 (81) 81.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 34.0 μg/m3 (31) 22.5 μg/m3 (72) 72.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 26.0 μg/m3 (24) 24.7 μg/m3 (77) 77.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 9.0 ppb (7) N/A 26.0 μg/m3 (24) 20.3 μg/m3 (68) 68.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 23.0 ppb (18) N/A 26.0 μg/m3 (24) 18.6 μg/m3 (64) 64.0
 
Sept. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (19) N/A 15.0 μg/m3 (14) 15.8 μg/m3 (58) 58.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 24.0 ppb (18) N/A 32.0 μg/m3 (29) 28.6 μg/m3 (85) 85.0
 
Sept. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 26.0 ppb (20) N/A 25.0 μg/m3 (23) 29.8 μg/m3 (88) 88.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 28.0 ppb (22) N/A 14.0 μg/m3 (13) 26.9 μg/m3 (82) 82.0
 
Sept. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 25.0 ppb (19) N/A 58.0 μg/m3 (52) 9.0 μg/m3 (38) 52.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 13.0 ppb (10) N/A 83.0 μg/m3 (64) 34.2 μg/m3 (97) 97.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 24.0 ppb (18) N/A 56.0 μg/m3 (50) 22.1 μg/m3 (71) 71.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 42.0 ppb (32) N/A 40.0 μg/m3 (36) 26.0 μg/m3 (80) 80.0
 
Sept. 10, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 40.0 ppb (31) N/A 23.0 μg/m3 (21) 17.6 μg/m3 (62) 62.0
 
Sept. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 47.0 ppb (36) N/A 37.0 μg/m3 (34) 10.1 μg/m3 (42) 42.0
 
Sept. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 54.0 ppb (42) N/A 35.0 μg/m3 (32) 7.3 μg/m3 (30) 42.0
 
Sept. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) N/A 17.0 μg/m3 (15) 1.1 μg/m3 (5) 40.0
 
Sept. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 55.0 ppb (42) N/A 33.0 μg/m3 (30) 6.3 μg/m3 (26) 42.0
 
Sept. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 56.0 ppb (43) N/A 28.0 μg/m3 (25) 9.9 μg/m3 (41) 43.0
 
Sept. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 52.0 ppb (40) N/A 30.0 μg/m3 (27) 6.0 μg/m3 (25) 40.0
 
Sept. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 43.0 ppb (33) N/A 25.0 μg/m3 (23) 5.8 μg/m3 (24) 33.0
 
Sept. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 27.0 ppb (21) N/A 68.0 μg/m3 (56) 13.9 μg/m3 (54) 56.0
 
Sept. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) N/A 61.0 μg/m3 (53) 2.6 μg/m3 (11) 53.0
 
Sept. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 5.0 ppb (4) N/A 75.0 μg/m3 (60) 23.3 μg/m3 (74) 74.0
 
Sept. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 4.0 ppb (3) N/A 62.0 μg/m3 (54) 26.4 μg/m3 (81) 81.0
 
Sept. 9, 2019, noon N/A N/A N/A N/A N/A 5.0 ppb (7) 9.0 ppb (7) N/A 39.0 μg/m3 (35) 24.5 μg/m3 (77) 77.0
 
Sept. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 12.0 ppb (9) N/A 4.0 μg/m3 (4) 18.6 μg/m3 (64) 64.0
 
Sept. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 16.0 ppb (12) N/A 0.0 μg/m3 (0) 14.3 μg/m3 (55) 55.0
 
Sept. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) N/A 0.0 μg/m3 (0) 11.2 μg/m3 (47) 47.0
 
Sept. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 11.0 ppb (8) N/A 1.0 μg/m3 (1) 9.7 μg/m3 (40) 40.0
 
Sept. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 8.0 ppb (6) N/A 19.0 μg/m3 (17) 28.3 μg/m3 (85) 85.0
 
Sept. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 13.0 ppb (10) N/A 20.0 μg/m3 (18) 26.9 μg/m3 (82) 82.0
 
Sept. 9, 2019, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 22.0 ppb (17) N/A 15.0 μg/m3 (14) 15.5 μg/m3 (57) 57.0
 
Sept. 9, 2019, 3 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 34.0 ppb (26) N/A 50.0 μg/m3 (45) 25.9 μg/m3 (80) 80.0
 
Sept. 9, 2019, 2 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 42.0 ppb (32) N/A 32.0 μg/m3 (29) 23.9 μg/m3 (75) 75.0
 
Sept. 9, 2019, 1 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 53.0 ppb (41) N/A 27.0 μg/m3 (25) 13.5 μg/m3 (53) 53.0
 
Sept. 9, 2019, midnight N/A N/A N/A N/A N/A 5.0 ppb (7) 50.0 ppb (38) N/A 24.0 μg/m3 (22) 10.4 μg/m3 (43) 43.0