AQSQID: 100032004

Site Name: Mlk

Location: Wilmington, DE

Reporting: True, Located: True

Current AQI: 24.0

Wilmington DE, US: 39.7394, -75.5581

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (15) 0.17 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 19.0 ppb (15) 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.18 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.17 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) 0.16 ppb (2) N/A 5.1 μg/m3 (21) 22.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) N/A 4.5 μg/m3 (19) 24.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) 0.21 ppb (2) N/A 15.6 μg/m3 (58) 58.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 45.0 ppb (35) 0.19 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 57.0 ppb (44) 0.21 ppb (2) N/A 12.5 μg/m3 (51) 51.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 59.0 ppb (45) 0.21 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.23 ppb (3) N/A 13.7 μg/m3 (54) 54.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.23 ppb (3) N/A 13.9 μg/m3 (54) 54.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) 0.22 ppb (2) N/A 13.6 μg/m3 (53) 53.0
 
July 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.24 ppb (3) N/A 13.6 μg/m3 (53) 53.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.24 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.24 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.24 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (22) 0.22 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
July 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (21) 0.21 ppb (2) N/A 10.3 μg/m3 (43) 43.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) 28.0 ppb (22) 0.21 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 28.0 ppb (22) 0.23 ppb (3) N/A 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.23 ppb (3) N/A 12.1 μg/m3 (50) 50.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 32.0 ppb (25) 0.23 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.22 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.24 ppb (3) N/A 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.23 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.23 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.24 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.23 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (48) 0.23 ppb (3) N/A 9.8 μg/m3 (41) 48.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 64.0 ppb (49) 0.26 ppb (3) N/A 9.5 μg/m3 (40) 49.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) 0.23 ppb (3) N/A 9.1 μg/m3 (38) 52.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) 0.21 ppb (2) N/A 9.3 μg/m3 (39) 52.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 69.0 ppb (53) 0.19 ppb (2) N/A 9.1 μg/m3 (38) 53.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (52) 0.2 ppb (2) N/A 9.1 μg/m3 (38) 52.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.2 ppb (2) N/A 9.2 μg/m3 (38) 50.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A 8.0 ppb (11) 30.0 ppb (23) 0.37 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.41 ppb (5) N/A 12.6 μg/m3 (51) 51.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.39 ppb (4) N/A 10.6 μg/m3 (44) 44.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.45 ppb (5) N/A 9.8 μg/m3 (41) 41.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.28 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.28 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.3 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.28 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) 0.31 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.33 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 60.0 ppb (46) 0.33 ppb (4) N/A 9.3 μg/m3 (39) 46.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 65.0 ppb (50) 0.3 ppb (3) N/A 8.8 μg/m3 (37) 50.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 70.0 ppb (54) 0.25 ppb (3) N/A 8.4 μg/m3 (35) 54.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 69.0 ppb (53) 0.24 ppb (3) N/A 8.2 μg/m3 (34) 53.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.24 ppb (3) N/A 7.4 μg/m3 (31) 48.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.26 ppb (3) N/A 7.3 μg/m3 (30) 45.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.26 ppb (3) N/A 7.2 μg/m3 (30) 42.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.25 ppb (3) N/A 7.0 μg/m3 (29) 37.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) N/A 6.3 μg/m3 (26) 33.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) N/A 5.5 μg/m3 (23) 31.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.23 ppb (3) N/A 5.2 μg/m3 (22) 28.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A 4.9 μg/m3 (20) 25.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) N/A 5.0 μg/m3 (21) 22.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.27 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.3 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.28 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.22 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.27 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.27 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.27 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.24 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) 0.23 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.21 ppb (2) N/A 9.6 μg/m3 (40) 46.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.22 ppb (2) N/A 9.9 μg/m3 (41) 46.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 48.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (49) 0.23 ppb (3) N/A 10.3 μg/m3 (43) 49.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (49) 0.21 ppb (2) N/A 10.1 μg/m3 (42) 49.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 65.0 ppb (50) 0.23 ppb (3) N/A 10.4 μg/m3 (43) 50.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 71.0 ppb (55) 0.24 ppb (3) N/A 10.5 μg/m3 (44) 55.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 68.0 ppb (52) 0.23 ppb (3) N/A 10.0 μg/m3 (42) 52.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 65.0 ppb (50) 0.23 ppb (3) N/A 9.7 μg/m3 (40) 50.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 56.0 ppb (43) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 43.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.25 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.27 ppb (3) N/A 9.9 μg/m3 (41) 41.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.3 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.29 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.28 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.4 ppb (4) N/A 10.6 μg/m3 (44) 44.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) 0.37 ppb (4) N/A 12.4 μg/m3 (51) 51.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.45 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.48 ppb (5) N/A 12.7 μg/m3 (51) 51.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 47.0 ppb (36) 0.47 ppb (5) N/A 10.9 μg/m3 (45) 45.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) 0.39 ppb (4) N/A 10.2 μg/m3 (42) 42.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 55.0 ppb (42) 0.29 ppb (3) N/A 9.1 μg/m3 (38) 42.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.27 ppb (3) N/A 8.2 μg/m3 (34) 45.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.24 ppb (3) N/A 7.2 μg/m3 (30) 46.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.23 ppb (3) N/A 6.6 μg/m3 (28) 46.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.23 ppb (3) N/A 6.9 μg/m3 (29) 48.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) 0.23 ppb (3) N/A 6.9 μg/m3 (29) 46.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) 0.21 ppb (2) N/A 6.4 μg/m3 (27) 43.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.22 ppb (2) N/A 6.7 μg/m3 (28) 38.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.23 ppb (3) N/A 7.6 μg/m3 (32) 37.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.23 ppb (3) N/A 8.9 μg/m3 (37) 41.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) 0.23 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.25 ppb (3) N/A 8.2 μg/m3 (34) 34.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.27 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.28 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.27 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.26 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.28 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.32 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.35 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.41 ppb (5) N/A 8.2 μg/m3 (34) 34.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.47 ppb (5) N/A 8.5 μg/m3 (35) 35.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.39 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.32 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.27 ppb (3) N/A 8.0 μg/m3 (33) 41.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) 0.23 ppb (3) N/A 8.3 μg/m3 (35) 47.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (48) 0.25 ppb (3) N/A 8.8 μg/m3 (37) 48.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.23 ppb (3) N/A 9.5 μg/m3 (40) 48.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (48) 0.22 ppb (2) N/A 10.8 μg/m3 (45) 48.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (48) 0.21 ppb (2) N/A 11.1 μg/m3 (46) 48.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) 0.22 ppb (2) N/A 10.6 μg/m3 (44) 45.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) 0.23 ppb (3) N/A 9.9 μg/m3 (41) 44.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.29 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) N/A 10.4 μg/m3 (43) 43.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.25 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.28 ppb (3) N/A 10.9 μg/m3 (45) 45.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.25 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 32.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.22 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.22 ppb (2) N/A 4.7 μg/m3 (20) 24.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 33.0 ppb (25) 0.28 ppb (3) N/A 4.1 μg/m3 (17) 25.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.21 ppb (2) N/A 3.9 μg/m3 (16) 28.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.22 ppb (2) N/A 3.9 μg/m3 (16) 28.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 3.3 μg/m3 (14) 32.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.25 ppb (3) N/A 4.8 μg/m3 (20) 29.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.28 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) N/A 5.7 μg/m3 (24) 33.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.21 ppb (2) N/A 5.6 μg/m3 (23) 37.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) N/A 7.4 μg/m3 (31) 34.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) N/A 6.8 μg/m3 (28) 32.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.21 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.22 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 18.0 ppb (14) 0.29 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.26 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.21 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.19 ppb (2) N/A 10.1 μg/m3 (42) 42.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A 5.0 ppb (7) 39.0 ppb (30) 0.21 ppb (2) N/A 10.8 μg/m3 (45) 45.0