ID: 1155

AQSQID: 100032004

Site Name: Mlk

Added: April 21, 2020, 6:24 p.m.

Updated: Aug. 3, 2021, 3:56 a.m.

Location: Wilmington (Justison Landing), DE

Reporting: True, Located: True

Current AQI: 39.0

Wilmington (Justison Landing) DE, US: 39.7394, -75.5581

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.32 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
Aug. 3, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.32 ppb (4) N/A 8.5 μg/m3 (36) 36.0
 
Aug. 3, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.26 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
Aug. 2, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.23 ppb (3) N/A 7.4 μg/m3 (31) 33.0
 
Aug. 2, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.23 ppb (3) N/A 7.2 μg/m3 (31) 36.0
 
Aug. 2, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.23 ppb (3) N/A 7.3 μg/m3 (31) 37.0
 
Aug. 2, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.26 ppb (4) N/A 7.9 μg/m3 (33) 38.0
 
Aug. 2, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.26 ppb (4) N/A 8.2 μg/m3 (35) 38.0
 
Aug. 2, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.26 ppb (4) N/A 8.6 μg/m3 (36) 38.0
 
Aug. 2, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.26 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
Aug. 2, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.26 ppb (4) N/A 10.2 μg/m3 (43) 43.0
 
Aug. 2, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.28 ppb (4) N/A 10.9 μg/m3 (46) 46.0
 
Aug. 2, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.28 ppb (4) N/A 12.3 μg/m3 (52) 52.0
 
Aug. 2, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.3 ppb (4) N/A 13.1 μg/m3 (54) 54.0
 
Aug. 2, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.33 ppb (4) N/A 13.6 μg/m3 (55) 55.0
 
Aug. 2, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.33 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
Aug. 2, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.3 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
Aug. 2, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.28 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.27 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
Aug. 2, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.26 ppb (4) N/A 10.4 μg/m3 (44) 44.0
 
Aug. 2, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.25 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Aug. 2, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.25 ppb (3) N/A 5.2 μg/m3 (22) 30.0
 
Aug. 2, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.26 ppb (4) N/A 4.8 μg/m3 (20) 33.0
 
Aug. 2, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.26 ppb (4) N/A 4.9 μg/m3 (21) 38.0
 
Aug. 2, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.26 ppb (4) N/A 5.2 μg/m3 (22) 41.0
 
Aug. 2, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.25 ppb (3) N/A 8.2 μg/m3 (35) 38.0
 
Aug. 2, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) N/A 8.9 μg/m3 (38) 42.0
 
Aug. 1, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.24 ppb (3) N/A 10.4 μg/m3 (44) 44.0
 
Aug. 1, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.24 ppb (3) N/A 10.9 μg/m3 (46) 46.0
 
Aug. 1, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.24 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
Aug. 1, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.25 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Aug. 1, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.24 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Aug. 1, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.23 ppb (3) N/A 9.5 μg/m3 (40) 43.0
 
Aug. 1, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 43.0
 
Aug. 1, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.22 ppb (3) N/A 8.7 μg/m3 (37) 41.0
 
Aug. 1, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.22 ppb (3) N/A 8.1 μg/m3 (34) 38.0
 
Aug. 1, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.22 ppb (3) N/A 6.6 μg/m3 (28) 33.0
 
Aug. 1, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.23 ppb (3) N/A 5.9 μg/m3 (25) 26.0
 
Aug. 1, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.25 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.26 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
Aug. 1, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.29 ppb (4) N/A 7.7 μg/m3 (33) 33.0
 
Aug. 1, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.27 ppb (4) N/A 7.5 μg/m3 (32) 32.0
 
Aug. 1, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
Aug. 1, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.36 ppb (5) N/A 9.7 μg/m3 (41) 41.0
 
Aug. 1, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.36 ppb (5) N/A 9.7 μg/m3 (41) 41.0
 
Aug. 1, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.34 ppb (4) N/A 8.9 μg/m3 (38) 38.0
 
Aug. 1, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.35 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 1, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.38 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
Aug. 1, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.47 ppb (6) N/A 8.5 μg/m3 (36) 36.0
 
Aug. 1, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.39 ppb (5) N/A 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) N/A 6.6 μg/m3 (28) 39.0
 
July 31, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.24 ppb (3) N/A 6.4 μg/m3 (27) 40.0
 
July 31, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.22 ppb (3) N/A 6.3 μg/m3 (27) 42.0
 
July 31, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.22 ppb (3) N/A 6.3 μg/m3 (27) 43.0
 
July 31, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.22 ppb (3) N/A 6.7 μg/m3 (28) 42.0
 
July 31, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.21 ppb (3) N/A 7.2 μg/m3 (31) 42.0
 
July 31, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 41.0
 
July 31, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.2 ppb (3) N/A 6.9 μg/m3 (29) 39.0
 
July 31, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 38.0
 
July 31, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.19 ppb (3) N/A 5.2 μg/m3 (22) 34.0
 
July 31, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.18 ppb (3) N/A 4.4 μg/m3 (19) 32.0
 
July 31, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.19 ppb (3) N/A 4.1 μg/m3 (18) 28.0
 
July 31, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.22 ppb (3) N/A 4.4 μg/m3 (19) 22.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.22 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
July 31, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
July 31, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) N/A 4.6 μg/m3 (20) 24.0
 
July 31, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.19 ppb (3) N/A 4.7 μg/m3 (20) 25.0
 
July 31, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.19 ppb (3) N/A 5.1 μg/m3 (22) 26.0
 
July 31, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.19 ppb (3) N/A 5.1 μg/m3 (22) 27.0
 
July 31, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 6.0 μg/m3 (25) 29.0
 
July 31, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
July 31, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.25 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.28 ppb (4) N/A 11.4 μg/m3 (48) 48.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.29 ppb (4) N/A 12.4 μg/m3 (52) 52.0
 
July 31, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.28 ppb (4) N/A 12.3 μg/m3 (52) 52.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.27 ppb (4) N/A 12.1 μg/m3 (51) 51.0
 
July 30, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.26 ppb (4) N/A 12.7 μg/m3 (53) 53.0
 
July 30, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.27 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 30, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.27 ppb (4) N/A 13.1 μg/m3 (54) 54.0
 
July 30, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.27 ppb (4) N/A 13.0 μg/m3 (53) 53.0
 
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.25 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.25 ppb (3) N/A 13.4 μg/m3 (54) 54.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.27 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.26 ppb (4) N/A 16.9 μg/m3 (62) 62.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.25 ppb (3) N/A 17.0 μg/m3 (62) 62.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.27 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.29 ppb (4) N/A 18.9 μg/m3 (66) 66.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.33 ppb (4) N/A 20.9 μg/m3 (70) 70.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.3 ppb (4) N/A 21.0 μg/m3 (70) 70.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.29 ppb (4) N/A 20.6 μg/m3 (69) 69.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.3 ppb (4) N/A 20.5 μg/m3 (69) 69.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.32 ppb (4) N/A 20.6 μg/m3 (69) 69.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.33 ppb (4) N/A 21.3 μg/m3 (71) 71.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.33 ppb (4) N/A 21.3 μg/m3 (71) 71.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.34 ppb (4) N/A 22.0 μg/m3 (72) 72.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 40.0 ppb (38) 0.34 ppb (4) N/A 22.9 μg/m3 (74) 74.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 43.0 ppb (40) 0.34 ppb (4) N/A 24.2 μg/m3 (77) 77.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.32 ppb (4) N/A 22.9 μg/m3 (74) 74.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.29 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.3 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.3 ppb (4) N/A 17.3 μg/m3 (62) 62.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.28 ppb (4) N/A 17.6 μg/m3 (63) 63.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.27 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.27 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.33 ppb (4) N/A 16.7 μg/m3 (61) 61.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (51) 0.3 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.31 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.31 ppb (4) N/A 15.1 μg/m3 (58) 58.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.3 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.3 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.29 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.31 ppb (4) N/A 15.5 μg/m3 (59) 59.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.3 ppb (4) N/A 16.8 μg/m3 (61) 61.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.28 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.28 ppb (4) N/A 15.5 μg/m3 (59) 59.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.28 ppb (4) N/A 14.9 μg/m3 (57) 57.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.28 ppb (4) N/A 14.9 μg/m3 (57) 57.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.27 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.27 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.27 ppb (4) N/A 15.2 μg/m3 (58) 58.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.27 ppb (4) N/A 15.2 μg/m3 (58) 61.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (71) 0.28 ppb (4) N/A 16.5 μg/m3 (61) 71.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 69.0 ppb (97) 0.29 ppb (4) N/A 19.4 μg/m3 (67) 97.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 68.0 ppb (94) 0.27 ppb (4) N/A 17.5 μg/m3 (63) 94.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 66.0 ppb (87) 0.28 ppb (4) N/A 16.9 μg/m3 (62) 87.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.27 ppb (4) N/A 16.2 μg/m3 (60) 78.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.25 ppb (3) N/A 16.4 μg/m3 (61) 78.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 64.0 ppb (81) 0.27 ppb (4) N/A 16.6 μg/m3 (61) 81.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.28 ppb (4) N/A 16.3 μg/m3 (60) 78.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.31 ppb (4) N/A 16.4 μg/m3 (61) 65.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) 0.29 ppb (4) N/A 16.2 μg/m3 (60) 60.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.29 ppb (4) N/A 15.4 μg/m3 (58) 58.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.31 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.37 ppb (5) N/A 15.4 μg/m3 (58) 58.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.33 ppb (4) N/A 15.5 μg/m3 (59) 59.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.26 ppb (4) N/A 12.9 μg/m3 (53) 53.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.27 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.34 ppb (4) N/A 22.8 μg/m3 (74) 74.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.39 ppb (5) N/A 25.5 μg/m3 (80) 80.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.41 ppb (5) N/A 25.8 μg/m3 (80) 80.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.43 ppb (5) N/A 26.0 μg/m3 (81) 81.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.36 ppb (5) N/A 25.7 μg/m3 (80) 80.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.36 ppb (5) N/A 25.2 μg/m3 (79) 79.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (74) 0.35 ppb (4) N/A 25.6 μg/m3 (80) 80.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.33 ppb (4) N/A 23.0 μg/m3 (74) 78.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 67.0 ppb (91) 0.27 ppb (4) N/A 19.9 μg/m3 (68) 91.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 72.0 ppb (102) 0.28 ppb (4) N/A 21.6 μg/m3 (71) 102.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 70.0 ppb (100) 0.27 ppb (4) N/A 21.5 μg/m3 (71) 100.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 69.0 ppb (97) 0.27 ppb (4) N/A 21.2 μg/m3 (71) 97.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 67.0 ppb (91) 0.27 ppb (4) N/A 21.4 μg/m3 (71) 91.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 62.0 ppb (74) 0.25 ppb (3) N/A 20.7 μg/m3 (70) 74.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 58.0 ppb (61) 0.25 ppb (3) N/A 21.2 μg/m3 (71) 71.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 63.0 ppb (78) 0.29 ppb (4) N/A 22.5 μg/m3 (73) 78.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 66.0 ppb (87) 0.36 ppb (5) N/A 23.9 μg/m3 (76) 87.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 53.0 ppb (50) 0.54 ppb (6) N/A 22.8 μg/m3 (74) 74.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.32 ppb (4) N/A 21.1 μg/m3 (70) 70.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.44 ppb (5) N/A 24.9 μg/m3 (78) 78.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.43 ppb (5) N/A 25.5 μg/m3 (80) 80.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.48 ppb (6) N/A 26.2 μg/m3 (81) 81.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.4 ppb (5) N/A 25.2 μg/m3 (79) 79.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.31 ppb (4) N/A 24.7 μg/m3 (78) 78.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.32 ppb (4) N/A 25.3 μg/m3 (79) 79.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.35 ppb (4) N/A 25.3 μg/m3 (79) 79.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.45 ppb (6) N/A 28.5 μg/m3 (86) 86.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.4 ppb (5) N/A 25.7 μg/m3 (80) 80.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.4 ppb (5) N/A 26.0 μg/m3 (81) 81.0