AQSQID: 240190004

Site Name: Horn Point

Location: Dorchester Co, MD

Reporting: True, Located: True

Current AQI: 32.0

Dorchester Co MD, US: 38.5876, -76.1408

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.0 μg/m3 (21) 26.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 6.0 μg/m3 (25) 36.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 8.0 μg/m3 (33) 45.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A 8.0 μg/m3 (33) 44.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 0.0 μg/m3 (0) 45.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A N/A 45.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 5.0 μg/m3 (21) 45.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) N/A N/A 8.0 μg/m3 (33) 43.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (45) N/A N/A 7.0 μg/m3 (29) 45.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A 7.0 μg/m3 (29) 44.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) N/A N/A 8.0 μg/m3 (33) 43.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 7.0 μg/m3 (29) 35.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 4.0 μg/m3 (17) 19.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 6.0 μg/m3 (25) 28.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 7.0 μg/m3 (29) 30.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 2.0 μg/m3 (8) 13.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.0 μg/m3 (12) 19.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 7.0 μg/m3 (29) 32.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 77.0 ppb (60) N/A N/A 11.0 μg/m3 (46) 60.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 84.0 ppb (66) N/A N/A 11.0 μg/m3 (46) 66.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 83.0 ppb (65) N/A N/A 12.0 μg/m3 (50) 65.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 81.0 ppb (63) N/A N/A 14.0 μg/m3 (54) 63.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 86.0 ppb (68) N/A N/A 15.0 μg/m3 (56) 68.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 85.0 ppb (67) N/A N/A 15.0 μg/m3 (56) 67.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 75.0 ppb (58) N/A N/A 15.0 μg/m3 (56) 58.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 59.0 ppb (45) N/A N/A 10.0 μg/m3 (42) 45.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 12.0 μg/m3 (50) 50.0