AQSQID: 210610501

Site Name: Mammoth Cave Np

Location: Edmonson Co, KY

Reporting: True, Located: True

Current AQI: 50.0

Edmonson Co KY, US: 37.1314, -86.1481

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 8.4 μg/m3 (35) 42.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 8.4 μg/m3 (35) 45.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 9.3 μg/m3 (39) 47.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 9.6 μg/m3 (40) 48.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 9.5 μg/m3 (40) 48.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A 7.9 μg/m3 (33) 48.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A 8.7 μg/m3 (36) 47.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.3 μg/m3 (26) 30.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.7 μg/m3 (24) 32.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 6.7 μg/m3 (28) 31.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.1 μg/m3 (30) 32.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 6.3 μg/m3 (26) 33.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 8.9 μg/m3 (37) 42.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.8 μg/m3 (37) 44.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.6 μg/m3 (36) 44.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 8.5 μg/m3 (35) 44.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 8.3 μg/m3 (35) 45.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.6 μg/m3 (40) 45.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 9.8 μg/m3 (41) 45.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A N/A N/A 48.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A N/A N/A 47.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A N/A 43.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) N/A N/A N/A 46.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 9.9 μg/m3 (41) 44.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 28.4 μg/m3 (85) 85.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 43.6 μg/m3 (120) 120.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 23.7 μg/m3 (75) 75.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 20.3 μg/m3 (68) 68.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.5 μg/m3 (15) 26.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 30.0 μg/m3 (88) 88.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 18.1 μg/m3 (63) 63.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 41.7 μg/m3 (116) 116.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 31.8 μg/m3 (92) 92.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A -2.0 μg/m3 (0) 38.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 2.1 μg/m3 (9) 41.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A N/A 28.9 μg/m3 (86) 86.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 39.5 μg/m3 (110) 110.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 3.3 μg/m3 (14) 44.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 3.1 μg/m3 (13) 45.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 51.1 μg/m3 (139) 139.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 5.2 μg/m3 (22) 36.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 122.8 μg/m3 (185) 185.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 95.2 μg/m3 (171) 171.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 51.4 μg/m3 (140) 140.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 0.8 μg/m3 (3) 38.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 32.3 μg/m3 (93) 93.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A N/A -3.2 μg/m3 (0) 44.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 25.9 μg/m3 (80) 80.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 25.0 μg/m3 (78) 78.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 43.7 μg/m3 (120) 120.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 28.0 μg/m3 (84) 84.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 44.8 μg/m3 (123) 123.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.7 μg/m3 (20) 24.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 15.2 μg/m3 (57) 57.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -1.2 μg/m3 (0) 27.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 54.9 μg/m3 (148) 148.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 98.9 μg/m3 (173) 173.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 64.8 μg/m3 (155) 155.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 111.5 μg/m3 (179) 179.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 0.1 μg/m3 (0) 40.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 8.9 μg/m3 (37) 42.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 18.6 μg/m3 (64) 64.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 21.7 μg/m3 (71) 71.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 19.5 μg/m3 (66) 66.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 19.9 μg/m3 (67) 67.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 17.1 μg/m3 (61) 61.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 16.5 μg/m3 (60) 60.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 163.8 μg/m3 (213) 213.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A N/A 7.6 μg/m3 (32) 40.0