AQSQID: 270031002

Site Name: Blaine

Location: Blaine, MN

Reporting: True, Located: True

Current AQI: 29.0

Blaine MN, US: 45.1425, -93.2139

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 15, 2019, 6 a.m. 9.2 ppb (9) 7.3 ppb (7) 3.4 ppb (3) 2.0 ppb (2) N/A N/A 5.0 ppb (4) 0.27 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 5 a.m. 9.0 ppb (8) 7.2 ppb (7) 2.9 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 6.0 ppb (5) 0.27 ppb (3) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2019, 4 a.m. 8.8 ppb (8) 7.3 ppb (7) 2.4 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (8) 0.25 ppb (3) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 3 a.m. 8.5 ppb (8) 7.2 ppb (7) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 15, 2019, 2 a.m. 8.2 ppb (8) 7.2 ppb (7) 1.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.24 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2019, 1 a.m. 8.6 ppb (8) 7.2 ppb (7) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 19.0 ppb (15) 0.26 ppb (3) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, midnight 8.7 ppb (8) 7.3 ppb (7) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 20.0 ppb (15) 0.29 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 11 p.m. 8.7 ppb (8) 7.2 ppb (7) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (17) 0.26 ppb (3) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 10 p.m. 8.4 ppb (8) 7.2 ppb (7) 1.7 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.25 ppb (3) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 19.0
 
Sept. 14, 2019, 9 p.m. 8.4 ppb (8) 7.3 ppb (7) 1.7 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 24.0
 
Sept. 14, 2019, 8 p.m. 8.5 ppb (8) 7.4 ppb (7) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.22 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 22.0
 
Sept. 14, 2019, 7 p.m. 8.5 ppb (8) 7.4 ppb (7) 1.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.25 ppb (3) 6.0 μg/m3 (5) -4.0 μg/m3 (0) 22.0
 
Sept. 14, 2019, 6 p.m. 8.8 ppb (8) 7.5 ppb (7) 1.5 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 20.0
 
Sept. 14, 2019, 5 p.m. 8.8 ppb (8) 7.6 ppb (7) 1.6 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.22 ppb (2) 11.0 μg/m3 (10) 3.0 μg/m3 (12) 19.0
 
Sept. 14, 2019, 4 p.m. 11.6 ppb (11) 8.6 ppb (8) 4.4 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 16.0
 
Sept. 14, 2019, 3 p.m. 19.6 ppb (18) 12.3 ppb (11) 12.3 ppb (11) 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.26 ppb (3) 10.0 μg/m3 (9) 2.0 μg/m3 (8) 18.0
 
Sept. 14, 2019, 2 p.m. 17.0 ppb (16) 11.8 ppb (11) 10.5 ppb (10) 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 1 p.m. 25.5 ppb (24) 18.7 ppb (17) 19.5 ppb (18) 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.29 ppb (3) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 24.0
 
Sept. 14, 2019, noon 16.6 ppb (15) 11.5 ppb (11) 11.6 ppb (11) 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.29 ppb (3) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 11 a.m. 22.0 ppb (20) 12.5 ppb (12) 16.9 ppb (16) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.22 ppb (2) 11.0 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 10 a.m. 21.5 ppb (20) 11.4 ppb (11) 15.8 ppb (15) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.22 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 9 a.m. 27.2 ppb (25) 17.1 ppb (16) 21.8 ppb (20) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.25 ppb (3) 8.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 8 a.m. 16.0 ppb (15) 8.6 ppb (8) 10.5 ppb (10) 8.0 ppb (7) N/A 0.0 ppb (0) 3.0 ppb (2) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 7 a.m. 12.6 ppb (12) 7.4 ppb (7) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.26 ppb (3) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 6 a.m. 10.6 ppb (10) 7.2 ppb (7) 4.7 ppb (4) 4.0 ppb (4) N/A N/A 7.0 ppb (5) 0.25 ppb (3) 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 5 a.m. 11.0 ppb (10) 7.2 ppb (7) 4.6 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 4 a.m. 10.1 ppb (9) 7.3 ppb (7) 4.2 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 9.0 ppb (7) 0.23 ppb (3) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 3 a.m. 9.6 ppb (9) 7.2 ppb (7) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.23 ppb (3) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 2 a.m. 10.0 ppb (9) 7.1 ppb (7) 3.4 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.23 ppb (3) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 1 a.m. 10.6 ppb (10) 7.3 ppb (7) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, midnight 9.4 ppb (9) 7.4 ppb (7) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 11.0
 
Sept. 13, 2019, 11 p.m. 8.7 ppb (8) 7.4 ppb (7) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 12.0
 
Sept. 13, 2019, 10 p.m. 9.0 ppb (8) 7.7 ppb (7) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 12.0
 
Sept. 13, 2019, 9 p.m. 8.6 ppb (8) 7.6 ppb (7) 1.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 10.0 μg/m3 (9) 3.0 μg/m3 (12) 13.0
 
Sept. 13, 2019, 8 p.m. 9.8 ppb (9) 8.1 ppb (8) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 7 p.m. 9.3 ppb (9) 8.0 ppb (7) 2.3 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 6 p.m. 10.1 ppb (9) 8.6 ppb (8) 2.7 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Sept. 13, 2019, 5 p.m. 9.2 ppb (9) 8.2 ppb (8) 2.1 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 10.0
 
Sept. 13, 2019, 4 p.m. 9.3 ppb (9) 8.2 ppb (8) 2.3 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 3 p.m. 9.4 ppb (9) 8.5 ppb (8) 2.2 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.19 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 2 p.m. 9.4 ppb (9) 8.4 ppb (8) 2.4 ppb (2) 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 1 p.m. 10.2 ppb (9) 8.6 ppb (8) 3.3 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 9.0 ppb (7) 0.21 ppb (2) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 9.0
 
Sept. 13, 2019, noon 10.7 ppb (10) 8.3 ppb (8) 4.0 ppb (4) 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (5) 0.21 ppb (2) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 10.0
 
Sept. 13, 2019, 11 a.m. 10.2 ppb (9) 7.9 ppb (7) 3.5 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 7.0 ppb (5) 0.21 ppb (2) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 9.0
 
Sept. 13, 2019, 10 a.m. 8.5 ppb (8) 7.3 ppb (7) 1.6 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 8.0
 
Sept. 13, 2019, 9 a.m. 7.4 ppb (7) 7.1 ppb (7) 0.5 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 8 a.m. 7.3 ppb (7) 6.9 ppb (6) 0.4 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 8.0
 
Sept. 13, 2019, 7 a.m. 8.7 ppb (8) 6.9 ppb (6) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 9.0
 
Sept. 13, 2019, 6 a.m. 9.2 ppb (9) 7.1 ppb (7) 2.8 ppb (3) 2.0 ppb (2) N/A N/A 12.0 ppb (9) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 13, 2019, 5 a.m. 9.8 ppb (9) 7.1 ppb (7) 3.2 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.22 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 11.0
 
Sept. 13, 2019, 4 a.m. 12.7 ppb (12) 7.0 ppb (6) 6.6 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.22 ppb (2) 9.0 μg/m3 (8) -2.0 μg/m3 (0) 12.0
 
Sept. 13, 2019, 3 a.m. 13.6 ppb (13) 7.1 ppb (7) 7.4 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.22 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 13.0
 
Sept. 13, 2019, 2 a.m. 13.6 ppb (13) 7.0 ppb (6) 7.5 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 13.0
 
Sept. 13, 2019, 1 a.m. 11.2 ppb (10) 7.0 ppb (6) 4.7 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 10.0
 
Sept. 13, 2019, midnight 8.5 ppb (8) 6.9 ppb (6) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 11 p.m. 8.2 ppb (8) 7.2 ppb (7) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.22 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 12, 2019, 10 p.m. 7.9 ppb (7) 6.9 ppb (6) 1.2 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.22 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 9.0
 
Sept. 12, 2019, 9 p.m. 7.9 ppb (7) 6.9 ppb (6) 1.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.22 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 9.0
 
Sept. 12, 2019, 8 p.m. 7.8 ppb (7) 7.1 ppb (7) 1.2 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.21 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 7 p.m. 7.8 ppb (7) 7.2 ppb (7) 1.1 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.21 ppb (2) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 6 p.m. 7.6 ppb (7) 7.1 ppb (7) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 5 p.m. 7.8 ppb (7) 7.3 ppb (7) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 4 p.m. 8.0 ppb (7) 7.5 ppb (7) 1.1 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 3 p.m. 8.1 ppb (8) 7.4 ppb (7) 1.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 2.0 μg/m3 (2) -4.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 2 p.m. 7.5 ppb (7) 6.9 ppb (6) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 10.0 ppb (8) 0.19 ppb (2) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 1 p.m. 7.2 ppb (7) 6.8 ppb (6) 0.5 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.19 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, noon 7.4 ppb (7) 6.8 ppb (6) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 10.0
 
Sept. 12, 2019, 11 a.m. 7.0 ppb (6) 6.7 ppb (6) 0.4 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 12.0
 
Sept. 12, 2019, 10 a.m. 6.6 ppb (6) 6.6 ppb (6) 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 12.0
 
Sept. 12, 2019, 9 a.m. 6.4 ppb (6) 6.5 ppb (6) 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 8 a.m. 6.0 ppb (6) 6.4 ppb (6) -0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 ppb (6) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (4) 6.0
 
Sept. 12, 2019, 7 a.m. 6.2 ppb (6) 6.6 ppb (6) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 ppb (7) 0.18 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 8.0
 
Sept. 12, 2019, 6 a.m. 6.1 ppb (6) 6.6 ppb (6) -0.4 ppb (0) 0.0 ppb (0) N/A N/A 10.0 ppb (8) 0.18 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 8.0
 
Sept. 12, 2019, 5 a.m. 6.2 ppb (6) 6.6 ppb (6) -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 7.0 μg/m3 (6) -3.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 4 a.m. 6.0 ppb (6) 6.4 ppb (6) -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 9.0
 
Sept. 12, 2019, 3 a.m. 6.1 ppb (6) 6.5 ppb (6) -0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (9) 0.18 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 9.0
 
Sept. 12, 2019, 2 a.m. 6.1 ppb (6) 6.4 ppb (6) -0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, 1 a.m. 6.1 ppb (6) 6.4 ppb (6) -0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 8.0
 
Sept. 12, 2019, midnight 6.2 ppb (6) 6.4 ppb (6) -0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (8) 0.19 ppb (2) 5.0 μg/m3 (5) -3.0 μg/m3 (0) 8.0
 
Sept. 11, 2019, 11 p.m. 5.9 ppb (5) 6.1 ppb (6) 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (8) 0.19 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 8.0
 
Sept. 11, 2019, 10 p.m. 6.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 14.0
 
Sept. 11, 2019, 9 p.m. 6.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 13.0
 
Sept. 11, 2019, 8 p.m. 6.3 ppb (6) 6.3 ppb (6) 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 14.0 ppb (11) 0.19 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 11.0
 
Sept. 11, 2019, 7 p.m. 6.4 ppb (6) 6.1 ppb (6) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 2.0 μg/m3 (2) -1.0 μg/m3 (0) 12.0
 
Sept. 11, 2019, 6 p.m. 7.0 ppb (6) 6.2 ppb (6) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 4.0 μg/m3 (4) 0.0 μg/m3 (0) 12.0
 
Sept. 11, 2019, 5 p.m. 6.4 ppb (6) 6.0 ppb (6) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 11.0
 
Sept. 11, 2019, 4 p.m. 6.1 ppb (6) 6.0 ppb (6) 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 10.0
 
Sept. 11, 2019, 3 p.m. 6.3 ppb (6) 6.0 ppb (6) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 11.0
 
Sept. 11, 2019, 2 p.m. 6.4 ppb (6) 5.3 ppb (5) 1.2 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 4.0 μg/m3 (4) 2.0 μg/m3 (8) 13.0
 
Sept. 11, 2019, 1 p.m. 6.1 ppb (6) 5.2 ppb (5) 1.1 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 12.0
 
Sept. 11, 2019, noon 6.4 ppb (6) 5.1 ppb (5) 1.5 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.21 ppb (2) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 9.0
 
Sept. 11, 2019, 11 a.m. 6.1 ppb (6) 4.8 ppb (4) 1.4 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 9.0
 
Sept. 11, 2019, 10 a.m. 5.9 ppb (5) 4.7 ppb (4) 1.4 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) 8.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
Sept. 11, 2019, 9 a.m. 4.7 ppb (4) 4.3 ppb (4) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 9.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
Sept. 11, 2019, 8 a.m. 4.2 ppb (4) 4.0 ppb (4) 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 ppb (9) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 9.0
 
Sept. 11, 2019, 7 a.m. 3.6 ppb (3) 3.7 ppb (3) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 ppb (10) 0.19 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 10.0
 
Sept. 11, 2019, 6 a.m. 3.5 ppb (3) 3.4 ppb (3) 0.2 ppb (0) 0.0 ppb (0) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 11.0
 
Sept. 11, 2019, 5 a.m. 3.6 ppb (3) 2.7 ppb (3) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 11.0
 
Sept. 11, 2019, 4 a.m. 4.4 ppb (4) 2.1 ppb (2) 2.4 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Sept. 11, 2019, 3 a.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.39 ppb (4) 10.0 μg/m3 (9) 7.0 μg/m3 (29) 29.0
 
Sept. 11, 2019, 2 a.m. N/A N/A 6.8 ppb (6) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.56 ppb (6) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
Sept. 11, 2019, 1 a.m. N/A N/A 8.6 ppb (8) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.4 ppb (4) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Sept. 11, 2019, midnight 7.5 ppb (7) 2.0 ppb (2) 4.9 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.3 ppb (3) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 11 p.m. 3.7 ppb (3) 2.0 ppb (2) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 10 p.m. 4.1 ppb (4) 2.2 ppb (2) 2.2 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 22.0
 
Sept. 10, 2019, 9 p.m. 3.6 ppb (3) 2.0 ppb (2) 1.9 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.21 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 21.0
 
Sept. 10, 2019, 8 p.m. 4.7 ppb (4) 2.3 ppb (2) 2.9 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 19.0
 
Sept. 10, 2019, 7 p.m. 3.9 ppb (4) 1.9 ppb (2) 2.1 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 8.0 μg/m3 (7) -1.0 μg/m3 (0) 19.0
 
Sept. 10, 2019, 6 p.m. 4.3 ppb (4) 1.9 ppb (2) 2.5 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 8.0 μg/m3 (7) -2.0 μg/m3 (0) 19.0
 
Sept. 10, 2019, 5 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 18.0
 
Sept. 10, 2019, 4 p.m. 1.7 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 6.0 μg/m3 (5) -2.0 μg/m3 (0) 14.0
 
Sept. 10, 2019, 2 p.m. N/A N/A 5.6 ppb (5) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
Sept. 10, 2019, 1 p.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, noon 9.3 ppb (9) 2.9 ppb (3) 9.8 ppb (9) 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) 15.0 μg/m3 (14) 3.0 μg/m3 (12) 14.0
 
Sept. 10, 2019, 11 a.m. 6.6 ppb (6) 2.3 ppb (2) 6.9 ppb (6) 4.0 ppb (4) N/A 0.0 ppb (0) 14.0 ppb (11) 0.22 ppb (2) 17.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Sept. 10, 2019, 10 a.m. 5.0 ppb (5) 2.3 ppb (2) 5.5 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 16.0 μg/m3 (15) 0.0 μg/m3 (0) 15.0
 
Sept. 10, 2019, 9 a.m. 4.6 ppb (4) 2.0 ppb (2) 5.1 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 16.0 ppb (12) 0.18 ppb (2) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
Sept. 10, 2019, 8 a.m. 6.9 ppb (6) 1.9 ppb (2) 7.1 ppb (7) 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 10, 2019, 7 a.m. 5.3 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 16.0 ppb (12) 0.2 ppb (2) 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Sept. 10, 2019, 6 a.m. 4.3 ppb (4) 2.0 ppb (2) 5.0 ppb (5) 2.0 ppb (2) N/A N/A 14.0 ppb (11) 0.22 ppb (2) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 5 a.m. 4.1 ppb (4) 2.1 ppb (2) 4.8 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Sept. 10, 2019, 4 a.m. 3.4 ppb (3) 1.9 ppb (2) 4.3 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2019, 3 a.m. 3.4 ppb (3) 2.1 ppb (2) 4.2 ppb (4) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 2 a.m. 4.8 ppb (4) 2.3 ppb (2) 5.4 ppb (5) 3.0 ppb (3) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, 1 a.m. 3.8 ppb (4) 2.1 ppb (2) 4.6 ppb (4) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.25 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 10, 2019, midnight 2.4 ppb (2) 2.0 ppb (2) 3.0 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 9.0 μg/m3 (8) 0.0 μg/m3 (0) 11.0
 
Sept. 9, 2019, 11 p.m. 2.3 ppb (2) 2.3 ppb (2) 2.5 ppb (2) 0.0 ppb (0) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 11.0
 
Sept. 9, 2019, 10 p.m. 2.9 ppb (3) 2.0 ppb (2) 3.4 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 11.0
 
Sept. 9, 2019, 9 p.m. 2.9 ppb (3) 2.2 ppb (2) 3.0 ppb (3) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 11.0
 
Sept. 9, 2019, 8 p.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 7.0 μg/m3 (6) 0.0 μg/m3 (0) 12.0
 
Sept. 9, 2019, 7 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 7.0 μg/m3 (6) -4.0 μg/m3 (0) 12.0
 
Sept. 9, 2019, 6 p.m. 0.9 ppb (1) -1.0 ppb (0) 0.1 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 7.0 μg/m3 (6) -2.0 μg/m3 (0) 12.0
 
Sept. 9, 2019, 5 p.m. 0.9 ppb (1) -1.0 ppb (0) 0.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.22 ppb (2) 12.0 μg/m3 (11) 0.0 μg/m3 (0) 12.0
 
Sept. 9, 2019, 4 p.m. 0.7 ppb (1) -1.1 ppb (0) 0.1 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 13.0
 
Sept. 9, 2019, 3 p.m. 1.9 ppb (2) -0.1 ppb (0) 0.1 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.28 ppb (3) 10.0 μg/m3 (9) 1.0 μg/m3 (4) 12.0
 
Sept. 9, 2019, 2 p.m. 1.8 ppb (2) -0.2 ppb (0) 0.1 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.21 ppb (2) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 13.0
 
Sept. 9, 2019, 1 p.m. 1.1 ppb (1) -1.0 ppb (0) 0.0 ppb (0) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 10.0 μg/m3 (9) 0.0 μg/m3 (0) 10.0
 
Sept. 9, 2019, noon 1.1 ppb (1) -0.9 ppb (0) 0.8 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 11 a.m. 0.4 ppb (0) -1.3 ppb (0) 1.8 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 9.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2019, 10 a.m. -0.1 ppb (0) -1.1 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, 9 a.m. -0.4 ppb (0) -1.2 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.19 ppb (2) 8.0 μg/m3 (7) 0.0 μg/m3 (0) 12.0
 
Sept. 9, 2019, 8 a.m. -0.4 ppb (0) -1.3 ppb (0) -0.3 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) N/A 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, 7 a.m. -0.4 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 9, 2019, 6 a.m. -0.4 ppb (0) -1.2 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A N/A 14.0 ppb (11) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 11.0
 
Sept. 9, 2019, 5 a.m. 0.0 ppb (0) -1.1 ppb (0) 1.1 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 11.0
 
Sept. 9, 2019, 4 a.m. -0.3 ppb (0) -1.1 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
Sept. 9, 2019, 3 a.m. -0.3 ppb (0) -1.1 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.2 ppb (2) 6.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
Sept. 9, 2019, 2 a.m. 0.0 ppb (0) -1.3 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.21 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, 1 a.m. 0.1 ppb (0) -1.2 ppb (0) 1.3 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 12.0
 
Sept. 9, 2019, midnight 0.0 ppb (0) -1.0 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 12.0
 
Sept. 8, 2019, 11 p.m. -0.3 ppb (0) -1.1 ppb (0) 0.7 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 13.0
 
Sept. 8, 2019, 10 p.m. -0.3 ppb (0) -1.1 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 7.0 μg/m3 (6) 2.0 μg/m3 (8) 14.0
 
Sept. 8, 2019, 9 p.m. -0.4 ppb (0) -1.2 ppb (0) 0.5 ppb (0) 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 13.0
 
Sept. 8, 2019, 8 p.m. -0.1 ppb (0) -0.9 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 8.0 μg/m3 (7) 2.0 μg/m3 (8) 10.0
 
Sept. 8, 2019, 7 p.m. 0.0 ppb (0) -0.7 ppb (0) 0.9 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 8.0 μg/m3 (7) 1.0 μg/m3 (4) 9.0
 
Sept. 8, 2019, 6 p.m. 0.0 ppb (0) -0.8 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) 6.0 μg/m3 (5) 0.0 μg/m3 (0) 8.0
 
Sept. 8, 2019, 5 p.m. 0.0 ppb (0) -0.6 ppb (0) 0.8 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 7.0
 
Sept. 8, 2019, 4 p.m. -0.1 ppb (0) -0.7 ppb (0) 0.6 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 8, 2019, 3 p.m. -0.1 ppb (0) -0.6 ppb (0) 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 8.0
 
Sept. 8, 2019, 2 p.m. -0.3 ppb (0) -0.9 ppb (0) 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 ppb (6) 0.19 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 8, 2019, 1 p.m. -0.3 ppb (0) -0.7 ppb (0) 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 ppb (6) 0.19 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (4) 6.0
 
Sept. 8, 2019, noon -0.7 ppb (0) -1.1 ppb (0) 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 ppb (6) 0.19 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (4) 6.0
 
Sept. 8, 2019, 11 a.m. -0.7 ppb (0) -0.9 ppb (0) 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 ppb (7) 0.19 ppb (2) 7.0 μg/m3 (6) 3.0 μg/m3 (12) 12.0
 
Sept. 8, 2019, 10 a.m. -0.7 ppb (0) -1.1 ppb (0) 0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.19 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 12.0
 
Sept. 8, 2019, 9 a.m. -0.5 ppb (0) -1.1 ppb (0) 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
Sept. 8, 2019, 8 a.m. -0.5 ppb (0) -1.2 ppb (0) 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 ppb (8) N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
Sept. 8, 2019, 7 a.m. -0.3 ppb (0) -0.9 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0