ID: 1155

AQSQID: 100032004

Site Name: Mlk

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

Updated: June 22, 2021, 12:53 p.m.

Location: Wilmington (Justison Landing), DE

Reporting: True, Located: True

Current AQI: 30.0

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
June 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.2 μg/m3 (31) 31.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) N/A N/A 7.0 μg/m3 (30) 30.0
 
June 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) N/A N/A 6.6 μg/m3 (28) 28.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 6.5 μg/m3 (28) 28.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 6.5 μg/m3 (28) 29.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 7.3 μg/m3 (31) 31.0
 
June 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 5.5 μg/m3 (23) 40.0
 
June 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.1 μg/m3 (26) 39.0
 
June 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
June 15, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.8 μg/m3 (29) 33.0
 
June 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) N/A N/A 6.8 μg/m3 (29) 39.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 6.6 μg/m3 (28) 41.0
 
June 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 6.9 μg/m3 (29) 47.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (55) N/A N/A 7.6 μg/m3 (32) 55.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (65) N/A N/A 7.8 μg/m3 (33) 65.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (58) N/A N/A 7.9 μg/m3 (33) 58.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (50) N/A N/A 8.6 μg/m3 (36) 50.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (41) N/A N/A 7.1 μg/m3 (30) 41.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.27 ppb (4) N/A 5.9 μg/m3 (25) 36.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.27 ppb (4) N/A 5.1 μg/m3 (22) 33.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 25.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.27 ppb (4) N/A 4.1 μg/m3 (18) 18.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 21.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 25.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.27 ppb (4) N/A 4.0 μg/m3 (17) 30.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.27 ppb (4) N/A 4.1 μg/m3 (18) 33.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) N/A 4.2 μg/m3 (18) 31.0
 
June 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.27 ppb (4) N/A 4.3 μg/m3 (18) 31.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 29.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.27 ppb (4) N/A 4.3 μg/m3 (18) 32.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 33.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) N/A 4.4 μg/m3 (19) 34.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.27 ppb (4) N/A 4.6 μg/m3 (20) 35.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.27 ppb (4) N/A 4.7 μg/m3 (20) 35.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) N/A 5.2 μg/m3 (22) 34.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) N/A 5.9 μg/m3 (25) 34.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.27 ppb (4) N/A 6.7 μg/m3 (28) 34.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.27 ppb (4) N/A 6.8 μg/m3 (29) 35.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.27 ppb (4) N/A 6.7 μg/m3 (28) 37.0
 
June 13, 2021, 6 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 7.0 μg/m3 (30) 39.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 40.0
 
June 13, 2021, 4 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 6.9 μg/m3 (29) 39.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.27 ppb (4) N/A 6.6 μg/m3 (28) 37.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.27 ppb (4) N/A 6.4 μg/m3 (27) 31.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 28.0 ppb (26) 0.27 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.27 ppb (4) N/A 7.8 μg/m3 (33) 33.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.27 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.27 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
June 13, 2021, 9 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 6.7 μg/m3 (28) 28.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.27 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.27 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.27 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.27 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.27 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.27 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.27 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.27 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.27 ppb (4) N/A 6.1 μg/m3 (26) 26.0
 
June 12, 2021, 11 p.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 6.2 μg/m3 (26) 30.0
 
June 12, 2021, 10 p.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 6.5 μg/m3 (28) 38.0
 
June 12, 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 6.3 μg/m3 (27) 45.0
 
June 12, 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 6.5 μg/m3 (28) 45.0
 
June 12, 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 7.0 μg/m3 (30) 48.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.27 ppb (4) N/A 7.2 μg/m3 (31) 50.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.27 ppb (4) N/A 7.7 μg/m3 (33) 44.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.27 ppb (4) N/A 7.5 μg/m3 (32) 38.0
 
June 12, 2021, 3 p.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 7.2 μg/m3 (31) 31.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.27 ppb (4) N/A 7.8 μg/m3 (33) 33.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.27 ppb (4) N/A 7.5 μg/m3 (32) 32.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) N/A 8.4 μg/m3 (36) 36.0
 
June 12, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.27 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.27 ppb (4) N/A 12.4 μg/m3 (52) 52.0
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.27 ppb (4) N/A 11.8 μg/m3 (50) 50.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.27 ppb (4) N/A 9.9 μg/m3 (42) 42.0
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.27 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.27 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.27 ppb (4) N/A 9.6 μg/m3 (40) 40.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) N/A 10.1 μg/m3 (43) 43.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.27 ppb (4) N/A 8.9 μg/m3 (38) 38.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.27 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
June 12, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.27 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
June 11, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.27 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
June 11, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.27 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.26 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.24 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.24 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.25 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) N/A 9.4 μg/m3 (40) 40.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.24 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.24 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.22 ppb (3) N/A 13.4 μg/m3 (54) 54.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 15.1 μg/m3 (58) 58.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 16.6 μg/m3 (61) 61.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 17.2 μg/m3 (62) 62.0
 
June 11, 2021, 7 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 16.8 μg/m3 (61) 61.0
 
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 16.3 μg/m3 (60) 60.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.19 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
June 11, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
June 11, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.18 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
June 11, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.21 ppb (3) N/A 6.0 μg/m3 (25) 31.0
 
June 11, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) N/A 4.8 μg/m3 (20) 32.0
 
June 11, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.17 ppb (3) N/A 4.8 μg/m3 (20) 32.0
 
June 10, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.19 ppb (3) N/A 5.5 μg/m3 (23) 32.0
 
June 10, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.19 ppb (3) N/A 6.0 μg/m3 (25) 37.0
 
June 10, 2021, 9 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 6.3 μg/m3 (27) 39.0
 
June 10, 2021, 8 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 6.7 μg/m3 (28) 43.0
 
June 10, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.21 ppb (3) N/A 7.0 μg/m3 (30) 47.0
 
June 10, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.21 ppb (3) N/A 7.3 μg/m3 (31) 45.0
 
June 10, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.2 ppb (3) N/A 7.8 μg/m3 (33) 42.0
 
June 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.23 ppb (3) N/A 9.0 μg/m3 (38) 48.0
 
June 10, 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 11.4 μg/m3 (48) 49.0
 
June 10, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.29 ppb (4) N/A 11.3 μg/m3 (48) 48.0
 
June 10, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.31 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
June 10, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) N/A 8.6 μg/m3 (36) 36.0
 
June 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.25 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
June 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.26 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
June 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.22 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
June 10, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
June 10, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
June 10, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
June 10, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
June 10, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
June 10, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
June 10, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.22 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
June 10, 2021, 1 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 8.3 μg/m3 (35) 35.0
 
June 10, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.26 ppb (4) N/A 8.1 μg/m3 (34) 34.0
 
June 9, 2021, 11 p.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 8.5 μg/m3 (36) 38.0
 
June 9, 2021, 10 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 7.7 μg/m3 (33) 40.0
 
June 9, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.21 ppb (3) N/A 7.5 μg/m3 (32) 45.0
 
June 9, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.2 ppb (3) N/A 5.8 μg/m3 (25) 46.0
 
June 9, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.21 ppb (3) N/A 7.6 μg/m3 (32) 39.0
 
June 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 6.6 μg/m3 (28) 43.0
 
June 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) 0.25 ppb (3) N/A 9.5 μg/m3 (40) 48.0
 
June 9, 2021, 4 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 8.5 μg/m3 (36) 43.0
 
June 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.25 ppb (3) N/A 8.7 μg/m3 (37) 40.0
 
June 9, 2021, 2 p.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 9.2 μg/m3 (39) 39.0
 
June 9, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.25 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
June 9, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.34 ppb (4) N/A 10.1 μg/m3 (43) 43.0
 
June 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.38 ppb (5) N/A 9.3 μg/m3 (39) 39.0
 
June 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.33 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
June 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (4) N/A 9.2 μg/m3 (39) 39.0
 
June 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.28 ppb (4) N/A 8.2 μg/m3 (35) 35.0
 
June 9, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
June 9, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
June 9, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.26 ppb (4) N/A 7.7 μg/m3 (33) 33.0
 
June 9, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.26 ppb (4) N/A 7.8 μg/m3 (33) 33.0
 
June 9, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.28 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
June 9, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.28 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
June 9, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.25 ppb (3) N/A 7.2 μg/m3 (31) 31.0
 
June 9, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.24 ppb (3) N/A 6.5 μg/m3 (28) 28.0
 
June 8, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.24 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
June 8, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.25 ppb (3) N/A 5.9 μg/m3 (25) 28.0
 
June 8, 2021, 9 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 4.9 μg/m3 (21) 33.0
 
June 8, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.23 ppb (3) N/A 6.3 μg/m3 (27) 31.0
 
June 8, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 8.4 μg/m3 (36) 38.0
 
June 8, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) N/A N/A 7.0 μg/m3 (30) 32.0
 
June 8, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 10.4 μg/m3 (44) 44.0
 
June 8, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (47) N/A N/A 11.4 μg/m3 (48) 48.0
 
June 8, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (48) N/A N/A 12.2 μg/m3 (52) 52.0
 
June 8, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 10.9 μg/m3 (46) 46.0
 
June 8, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.19 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
June 8, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.19 ppb (3) N/A 9.8 μg/m3 (41) 41.0