AQSQID: 211110051

Site Name: Watson

Location: Louisville (Wilken Way), KY

Reporting: True, Located: True

Current AQI: 52.0

Louisville (Wilken Way) KY, US: 38.0608, -85.8961

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A 35.0 μg/m3 (32) 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 38.0 μg/m3 (35) 14.2 μg/m3 (55) 55.0
 
Sept. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) N/A 26.0 μg/m3 (24) 12.8 μg/m3 (52) 52.0
 
Sept. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 50.0 ppb (38) N/A 30.0 μg/m3 (27) 12.9 μg/m3 (52) 52.0
 
Sept. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 48.0 ppb (37) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 49.0 ppb (38) N/A 24.0 μg/m3 (22) 11.6 μg/m3 (48) 48.0
 
Sept. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A 12.0 ppb (17) 46.0 ppb (35) N/A 23.0 μg/m3 (21) 10.8 μg/m3 (45) 45.0
 
Sept. 20, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 50.0 ppb (38) N/A 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
Sept. 20, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) N/A 25.0 μg/m3 (23) 10.3 μg/m3 (43) 43.0
 
Sept. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 36.0 ppb (28) N/A 27.0 μg/m3 (25) 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) N/A 29.0 μg/m3 (26) 11.2 μg/m3 (47) 47.0
 
Sept. 20, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Sept. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A 25.0 μg/m3 (23) 11.1 μg/m3 (46) 46.0
 
Sept. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 25.0 μg/m3 (23) 11.8 μg/m3 (49) 49.0
 
Sept. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 24.0 μg/m3 (22) 11.5 μg/m3 (48) 48.0
 
Sept. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 29.0 μg/m3 (26) 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 32.0 μg/m3 (29) 13.1 μg/m3 (52) 52.0
 
Sept. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A 31.0 μg/m3 (28) 13.7 μg/m3 (54) 54.0
 
Sept. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 37.0 μg/m3 (34) 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 38.0 μg/m3 (35) 14.9 μg/m3 (56) 56.0
 
Sept. 20, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 37.0 μg/m3 (34) 14.7 μg/m3 (56) 56.0
 
Sept. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 35.0 μg/m3 (32) 15.1 μg/m3 (57) 57.0
 
Sept. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 36.0 μg/m3 (33) 13.8 μg/m3 (54) 54.0
 
Sept. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 34.0 μg/m3 (31) 13.5 μg/m3 (53) 53.0
 
Sept. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) N/A 23.0 μg/m3 (21) 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 60.0 ppb (46) N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 49.0
 
Sept. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 60.0 ppb (46) N/A 23.0 μg/m3 (21) 12.3 μg/m3 (51) 51.0
 
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 57.0 ppb (44) N/A 24.0 μg/m3 (22) 12.3 μg/m3 (51) 51.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 56.0 ppb (43) N/A 23.0 μg/m3 (21) 12.1 μg/m3 (50) 50.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 53.0 ppb (41) N/A 22.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A 22.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 25.0 μg/m3 (23) 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 32.0 μg/m3 (29) 13.8 μg/m3 (54) 54.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) N/A 27.0 μg/m3 (25) 13.3 μg/m3 (53) 53.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (2) N/A 28.0 μg/m3 (25) 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) N/A 28.0 μg/m3 (25) 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 22.0 μg/m3 (20) 12.3 μg/m3 (51) 51.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 21.0 μg/m3 (19) 13.0 μg/m3 (52) 52.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 21.0 μg/m3 (19) 12.7 μg/m3 (51) 51.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A 22.0 μg/m3 (20) 12.7 μg/m3 (51) 51.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 21.0 μg/m3 (19) 12.5 μg/m3 (51) 51.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 20.0 μg/m3 (18) 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A 21.0 μg/m3 (19) 12.3 μg/m3 (51) 51.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 26.0 μg/m3 (24) 13.7 μg/m3 (54) 54.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 34.0 ppb (26) N/A 22.0 μg/m3 (20) 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 23.0 μg/m3 (21) 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 22.0 μg/m3 (20) 11.1 μg/m3 (46) 46.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 64.0 ppb (49) N/A 20.0 μg/m3 (18) 11.2 μg/m3 (47) 49.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 69.0 ppb (53) N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 53.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 71.0 ppb (55) N/A 23.0 μg/m3 (21) 11.6 μg/m3 (48) 55.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 67.0 ppb (52) N/A 20.0 μg/m3 (18) 11.5 μg/m3 (48) 52.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) N/A 22.0 μg/m3 (20) 11.8 μg/m3 (49) 52.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 66.0 ppb (51) N/A 23.0 μg/m3 (21) 11.9 μg/m3 (50) 51.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 58.0 ppb (45) N/A 24.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A 25.0 μg/m3 (23) 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A 23.0 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 28.0 μg/m3 (25) 11.6 μg/m3 (48) 48.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) N/A 28.0 μg/m3 (25) 12.2 μg/m3 (50) 50.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 7.0 ppb (5) N/A 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) N/A 26.0 μg/m3 (24) 11.8 μg/m3 (49) 49.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 27.0 μg/m3 (25) 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 29.0 μg/m3 (26) 12.3 μg/m3 (51) 51.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 26.0 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 22.0 μg/m3 (20) 10.6 μg/m3 (44) 44.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) N/A 20.0 μg/m3 (18) 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 19.0 μg/m3 (17) 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) N/A 19.0 μg/m3 (17) 8.2 μg/m3 (34) 38.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 62.0 ppb (48) N/A 19.0 μg/m3 (17) 7.8 μg/m3 (32) 48.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 67.0 ppb (52) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 52.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 71.0 ppb (55) N/A 20.0 μg/m3 (18) 8.7 μg/m3 (36) 55.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 69.0 ppb (53) N/A 20.0 μg/m3 (18) 9.1 μg/m3 (38) 53.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) N/A 20.0 μg/m3 (18) 9.7 μg/m3 (40) 52.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) N/A 19.0 μg/m3 (17) 10.2 μg/m3 (42) 52.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 65.0 ppb (50) N/A 19.0 μg/m3 (17) 10.4 μg/m3 (43) 50.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 58.0 ppb (45) N/A 23.0 μg/m3 (21) 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A 28.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) N/A 26.0 μg/m3 (24) 11.1 μg/m3 (46) 46.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 30.0 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) N/A 28.0 μg/m3 (25) 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) N/A 29.0 μg/m3 (26) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) N/A 31.0 μg/m3 (28) 17.4 μg/m3 (61) 61.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) N/A 28.0 μg/m3 (25) 15.3 μg/m3 (57) 57.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 14.6 μg/m3 (56) 56.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) N/A 22.0 μg/m3 (20) 14.2 μg/m3 (55) 55.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) N/A 23.0 μg/m3 (21) 15.3 μg/m3 (57) 57.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 10.0 ppb (8) N/A 24.0 μg/m3 (22) 15.4 μg/m3 (57) 57.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 9.0 ppb (7) N/A 27.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) N/A 26.0 μg/m3 (24) 16.8 μg/m3 (60) 60.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 13.0 ppb (10) N/A 28.0 μg/m3 (25) 16.8 μg/m3 (60) 60.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A 27.0 μg/m3 (25) 15.6 μg/m3 (58) 58.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 43.0 ppb (33) N/A 29.0 μg/m3 (26) 14.2 μg/m3 (55) 55.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 30.0 μg/m3 (27) 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 27.0 μg/m3 (25) 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A 27.0 μg/m3 (25) 14.9 μg/m3 (56) 56.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 55.0 ppb (42) N/A 27.0 μg/m3 (25) 15.2 μg/m3 (57) 57.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 26.0 μg/m3 (24) 15.3 μg/m3 (57) 57.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 56.0 ppb (43) N/A 27.0 μg/m3 (25) 14.2 μg/m3 (55) 55.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 53.0 ppb (41) N/A 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 41.0 ppb (32) N/A 26.0 μg/m3 (24) 9.7 μg/m3 (40) 40.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A 50.0 μg/m3 (45) 10.6 μg/m3 (44) 45.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) N/A 33.0 μg/m3 (30) 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 5.0 ppb (4) N/A 30.0 μg/m3 (27) 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 5.0 ppb (4) N/A 29.0 μg/m3 (26) 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) N/A 32.0 μg/m3 (29) 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 25.0 μg/m3 (23) 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 11.0 ppb (8) N/A 24.0 μg/m3 (22) 6.8 μg/m3 (28) 28.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 12.0 ppb (9) N/A 34.0 μg/m3 (31) 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 12.0 ppb (9) N/A 35.0 μg/m3 (32) 7.3 μg/m3 (30) 32.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) N/A 31.0 μg/m3 (28) 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A 36.0 μg/m3 (33) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 30.0 μg/m3 (27) 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A 24.0 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (21) 27.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A 15.0 μg/m3 (14) 6.3 μg/m3 (26) 34.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 40.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 52.0 ppb (40) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 40.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 41.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 37.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 35.0 ppb (27) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (15) 27.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 33.0 ppb (25) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 25.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A 17.0 μg/m3 (15) 4.3 μg/m3 (18) 30.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) N/A 15.0 μg/m3 (14) 5.5 μg/m3 (23) 24.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 18.0 ppb (14) N/A 21.0 μg/m3 (19) 7.6 μg/m3 (32) 32.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 7.0 ppb (5) N/A 19.0 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 2.0 ppb (2) N/A 16.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) N/A 17.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 6.0 ppb (5) N/A 17.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) N/A 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) N/A 37.0 μg/m3 (34) 9.5 μg/m3 (40) 40.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) N/A 47.0 μg/m3 (43) 8.1 μg/m3 (34) 43.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 9.0 ppb (7) N/A 24.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 10.0 ppb (8) N/A 27.0 μg/m3 (25) 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) N/A 22.0 μg/m3 (20) 10.1 μg/m3 (42) 42.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A 30.0 μg/m3 (27) 8.7 μg/m3 (36) 36.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A 18.0 μg/m3 (16) 4.5 μg/m3 (19) 29.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) N/A 12.0 μg/m3 (11) 3.2 μg/m3 (13) 35.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) N/A 18.0 μg/m3 (16) 3.3 μg/m3 (14) 37.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) N/A 12.0 μg/m3 (11) 3.1 μg/m3 (13) 38.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 53.0 ppb (41) N/A 15.0 μg/m3 (14) 3.4 μg/m3 (14) 41.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 51.0 ppb (39) N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 39.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) N/A 12.0 μg/m3 (11) 3.1 μg/m3 (13) 36.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 32.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 36.0 ppb (28) N/A 14.0 μg/m3 (13) 3.3 μg/m3 (14) 28.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A 16.0 μg/m3 (15) 3.5 μg/m3 (15) 23.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 19.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A 16.0 μg/m3 (15) 4.1 μg/m3 (17) 18.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A 16.0 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 19.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 27.0 ppb (21) N/A 16.0 μg/m3 (15) 4.1 μg/m3 (17) 21.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 17.0 μg/m3 (15) 4.3 μg/m3 (18) 22.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) N/A 17.0 μg/m3 (15) 4.5 μg/m3 (19) 25.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A 16.0 μg/m3 (15) 5.1 μg/m3 (21) 27.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A 18.0 μg/m3 (16) 5.1 μg/m3 (21) 30.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 18.0 μg/m3 (16) 5.3 μg/m3 (22) 32.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 32.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A 18.0 μg/m3 (16) 7.1 μg/m3 (30) 34.0