AQSQID: 310550019

Site Name: Ncore

Location: Omaha, NE

Reporting: True, Located: True

Current AQI: 29.0

Omaha NE, US: 41.2474, -95.9731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2019, midnight N/A 0.8 ppb (1) 7.1 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 11 p.m. N/A 0.4 ppb (0) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 21.0 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
Sept. 21, 2019, 10 p.m. N/A 0.4 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2019, 9 p.m. N/A 0.4 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 19.0 μg/m3 (17) 5.0 μg/m3 (21) 22.0
 
Sept. 21, 2019, 8 p.m. N/A 0.5 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 7 p.m. N/A 0.5 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 21, 2019, 6 p.m. N/A 0.6 ppb (1) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) 12.0 μg/m3 (11) 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 5 p.m. N/A 0.6 ppb (1) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.22 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, 4 p.m. N/A 0.7 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, 3 p.m. N/A 0.6 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, 2 p.m. N/A 0.4 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.23 ppb (3) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 13.0
 
Sept. 21, 2019, 1 p.m. N/A 0.4 ppb (0) 0.7 ppb (1) N/A N/A N/A 17.0 ppb (13) 0.22 ppb (2) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2019, noon N/A 0.3 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
Sept. 21, 2019, 11 a.m. N/A 0.4 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.21 ppb (2) 6.0 μg/m3 (5) 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2019, 10 a.m. N/A 0.7 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.21 ppb (2) 6.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, 9 a.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 13.0
 
Sept. 21, 2019, 8 a.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 15.0
 
Sept. 21, 2019, 7 a.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.21 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 14.0
 
Sept. 21, 2019, 6 a.m. N/A 0.2 ppb (0) -0.3 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 6.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Sept. 21, 2019, 5 a.m. N/A 0.4 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 15.0
 
Sept. 21, 2019, 4 a.m. N/A 0.5 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 9.0 μg/m3 (8) 3.0 μg/m3 (12) 15.0
 
Sept. 21, 2019, 3 a.m. N/A 0.3 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Sept. 21, 2019, 2 a.m. N/A 0.3 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, 1 a.m. N/A 0.4 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 17.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
Sept. 21, 2019, midnight N/A 0.2 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 20, 2019, 11 p.m. N/A 0.5 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) 38.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Sept. 20, 2019, 10 p.m. N/A 0.8 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.22 ppb (2) 43.0 μg/m3 (39) 5.0 μg/m3 (21) 39.0
 
Sept. 20, 2019, 9 p.m. N/A 1.1 ppb (1) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 29.0
 
Sept. 20, 2019, 8 p.m. N/A 0.9 ppb (1) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.24 ppb (3) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 20, 2019, 7 p.m. N/A 1.3 ppb (1) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.25 ppb (3) 34.0 μg/m3 (31) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2019, 6 p.m. N/A 1.7 ppb (2) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.24 ppb (3) 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 5 p.m. N/A 1.5 ppb (1) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 44.0 μg/m3 (40) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2019, 4 p.m. N/A 1.9 ppb (2) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.28 ppb (3) N/A N/A 18.0
 
Sept. 20, 2019, 3 p.m. N/A 2.6 ppb (2) 6.8 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.29 ppb (3) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2019, 2 p.m. N/A 3.5 ppb (3) 9.9 ppb (9) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.34 ppb (4) 36.0 μg/m3 (33) 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2019, 1 p.m. N/A 3.2 ppb (3) 11.7 ppb (11) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.45 ppb (5) 39.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2019, noon N/A 1.4 ppb (1) 12.2 ppb (11) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.45 ppb (5) 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
Sept. 20, 2019, 11 a.m. N/A 0.6 ppb (1) 8.4 ppb (8) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.37 ppb (4) 34.0 μg/m3 (31) 15.0 μg/m3 (56) 56.0
 
Sept. 20, 2019, 10 a.m. N/A 0.5 ppb (0) 5.8 ppb (5) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.33 ppb (4) 37.0 μg/m3 (34) 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2019, 9 a.m. N/A 0.9 ppb (1) 9.0 ppb (8) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.31 ppb (3) 36.0 μg/m3 (33) 16.0 μg/m3 (59) 59.0
 
Sept. 19, 2019, 5 a.m. N/A 0.3 ppb (0) 3.7 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 4 a.m. N/A 0.8 ppb (1) 5.8 ppb (5) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2019, 3 a.m. N/A 0.6 ppb (1) 8.0 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2019, 2 a.m. N/A 0.5 ppb (0) 8.2 ppb (8) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) 31.0 μg/m3 (28) 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 1 a.m. N/A 0.7 ppb (1) 8.3 ppb (8) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.25 ppb (3) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Sept. 19, 2019, midnight N/A 0.7 ppb (1) 8.5 ppb (8) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.3 ppb (3) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 11 p.m. N/A 1.0 ppb (1) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.21 ppb (2) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
Sept. 18, 2019, 10 p.m. N/A 1.0 ppb (1) 4.8 ppb (4) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.19 ppb (2) 36.0 μg/m3 (33) 8.0 μg/m3 (33) 33.0
 
Sept. 18, 2019, 9 p.m. N/A 1.0 ppb (1) 3.3 ppb (3) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.18 ppb (2) 38.0 μg/m3 (35) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 8 p.m. N/A 1.4 ppb (1) 3.6 ppb (3) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) 38.0 μg/m3 (35) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 7 p.m. N/A 1.5 ppb (1) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 42.0 μg/m3 (38) 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2019, 6 p.m. N/A 1.1 ppb (1) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 36.0 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 5 p.m. N/A 0.9 ppb (1) 2.3 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.21 ppb (2) 38.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, 4 p.m. N/A 1.8 ppb (2) 5.1 ppb (5) N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
Sept. 18, 2019, 3 p.m. N/A 1.4 ppb (1) 5.4 ppb (5) N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) 40.0 μg/m3 (36) 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 2 p.m. N/A 1.4 ppb (1) 6.7 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.26 ppb (3) 33.0 μg/m3 (30) 19.0 μg/m3 (65) 65.0
 
Sept. 18, 2019, 1 p.m. N/A 1.5 ppb (1) 6.0 ppb (6) N/A N/A N/A 26.0 ppb (20) 0.26 ppb (3) 33.0 μg/m3 (30) 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2019, noon N/A 0.3 ppb (0) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 18, 2019, 11 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 26.0 μg/m3 (24) 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 10 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 29.0 μg/m3 (26) 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 9 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 28.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
Sept. 18, 2019, 8 a.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.22 ppb (2) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2019, 7 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.22 ppb (2) 29.0 μg/m3 (26) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 6 a.m. N/A 0.3 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.24 ppb (3) 30.0 μg/m3 (27) 18.0 μg/m3 (63) 63.0
 
Sept. 18, 2019, 5 a.m. N/A 0.4 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 4 a.m. N/A 0.4 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.24 ppb (3) 34.0 μg/m3 (31) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 3 a.m. N/A 0.4 ppb (0) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.24 ppb (3) 32.0 μg/m3 (29) 17.0 μg/m3 (61) 61.0
 
Sept. 18, 2019, 2 a.m. N/A 0.5 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) 39.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, 1 a.m. N/A 0.5 ppb (0) 4.9 ppb (5) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.23 ppb (3) 41.0 μg/m3 (37) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2019, midnight N/A 0.3 ppb (0) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 39.0 μg/m3 (35) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 11 p.m. N/A 0.6 ppb (1) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) 45.0 μg/m3 (41) 11.0 μg/m3 (46) 46.0
 
Sept. 17, 2019, 10 p.m. N/A 0.6 ppb (1) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.21 ppb (2) 61.0 μg/m3 (53) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 9 p.m. N/A 0.6 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.22 ppb (2) 76.0 μg/m3 (60) 12.0 μg/m3 (50) 60.0
 
Sept. 17, 2019, 8 p.m. N/A 0.8 ppb (1) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.23 ppb (3) 67.0 μg/m3 (56) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2019, 7 p.m. N/A 0.8 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.24 ppb (3) 65.0 μg/m3 (55) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2019, 6 p.m. N/A 0.7 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.25 ppb (3) 52.0 μg/m3 (47) 11.0 μg/m3 (46) 47.0
 
Sept. 17, 2019, 5 p.m. N/A 0.8 ppb (1) 2.3 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.24 ppb (3) 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2019, 4 p.m. N/A 1.0 ppb (1) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.26 ppb (3) 56.0 μg/m3 (50) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2019, 3 p.m. N/A 1.4 ppb (1) 4.6 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) 46.0 μg/m3 (42) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2019, 2 p.m. N/A 1.3 ppb (1) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.27 ppb (3) 44.0 μg/m3 (40) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 1 p.m. N/A 1.0 ppb (1) 5.7 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.28 ppb (3) 31.0 μg/m3 (28) 21.0 μg/m3 (69) 69.0
 
Sept. 17, 2019, noon N/A 0.7 ppb (1) 6.8 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.29 ppb (3) 40.0 μg/m3 (36) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2019, 11 a.m. N/A 0.3 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 29.0 μg/m3 (26) 15.0 μg/m3 (56) 56.0
 
Sept. 17, 2019, 10 a.m. N/A 0.3 ppb (0) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 33.0 μg/m3 (30) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 9 a.m. N/A 0.2 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.24 ppb (3) 30.0 μg/m3 (27) 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 8 a.m. N/A 0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 7 a.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.23 ppb (3) 30.0 μg/m3 (27) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2019, 6 a.m. N/A 0.1 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.24 ppb (3) 34.0 μg/m3 (31) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2019, 5 a.m. N/A 0.2 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.25 ppb (3) 35.0 μg/m3 (32) 16.0 μg/m3 (59) 59.0
 
Sept. 17, 2019, 4 a.m. N/A 0.3 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.24 ppb (3) 28.0 μg/m3 (25) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2019, 3 a.m. N/A 0.4 ppb (0) 4.7 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.25 ppb (3) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 2 a.m. N/A 0.4 ppb (0) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.25 ppb (3) 34.0 μg/m3 (31) 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2019, 1 a.m. N/A 0.7 ppb (1) 3.7 ppb (3) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.25 ppb (3) 40.0 μg/m3 (36) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2019, midnight N/A 0.6 ppb (1) 5.6 ppb (5) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.26 ppb (3) 39.0 μg/m3 (35) 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, 11 p.m. N/A 0.6 ppb (1) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.25 ppb (3) 51.0 μg/m3 (46) 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, 10 p.m. N/A 0.8 ppb (1) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.26 ppb (3) 46.0 μg/m3 (42) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 9 p.m. N/A 0.8 ppb (1) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.26 ppb (3) 67.0 μg/m3 (56) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 8 p.m. N/A 0.6 ppb (1) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.26 ppb (3) 44.0 μg/m3 (40) 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, 7 p.m. N/A 0.7 ppb (1) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.26 ppb (3) 45.0 μg/m3 (41) 18.0 μg/m3 (63) 63.0
 
Sept. 16, 2019, 6 p.m. N/A 0.5 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 51.0 ppb (39) 0.24 ppb (3) 45.0 μg/m3 (41) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 5 p.m. N/A 0.7 ppb (1) 3.6 ppb (3) N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.23 ppb (3) 40.0 μg/m3 (36) 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, 4 p.m. N/A 1.0 ppb (1) 4.6 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.24 ppb (3) 44.0 μg/m3 (40) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 3 p.m. N/A 1.2 ppb (1) 4.6 ppb (4) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.24 ppb (3) 40.0 μg/m3 (36) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 2 p.m. N/A 1.6 ppb (1) 7.3 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.26 ppb (3) 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 16, 2019, 1 p.m. N/A 1.9 ppb (2) 11.5 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.31 ppb (3) 49.0 μg/m3 (45) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, noon N/A 1.0 ppb (1) 13.3 ppb (12) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.34 ppb (4) 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, 11 a.m. N/A 0.5 ppb (0) 10.2 ppb (9) N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
Sept. 16, 2019, 10 a.m. N/A 0.1 ppb (0) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 26.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2019, 9 a.m. N/A 0.1 ppb (0) 2.8 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 18.0 μg/m3 (16) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 8 a.m. N/A 0.3 ppb (0) 4.8 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.19 ppb (2) 21.0 μg/m3 (19) 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 7 a.m. N/A 0.6 ppb (1) 9.5 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.26 ppb (3) 23.0 μg/m3 (21) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 6 a.m. N/A 0.9 ppb (1) 7.3 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 5 a.m. N/A 0.5 ppb (0) 6.6 ppb (6) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 16, 2019, 4 a.m. N/A 0.5 ppb (0) 8.5 ppb (8) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.25 ppb (3) 30.0 μg/m3 (27) 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 3 a.m. N/A 0.5 ppb (0) 10.0 ppb (9) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.31 ppb (3) 30.0 μg/m3 (27) 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, 2 a.m. N/A 0.3 ppb (0) 11.3 ppb (10) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.3 ppb (3) 34.0 μg/m3 (31) 20.0 μg/m3 (67) 67.0
 
Sept. 16, 2019, 1 a.m. N/A 0.4 ppb (0) 12.9 ppb (12) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.37 ppb (4) 43.0 μg/m3 (39) 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, midnight N/A 0.3 ppb (0) 10.8 ppb (10) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.35 ppb (4) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 11 p.m. N/A 0.6 ppb (1) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 34.0
 
Sept. 15, 2019, 10 p.m. N/A 0.4 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) 19.0 μg/m3 (17) 8.0 μg/m3 (33) 35.0
 
Sept. 15, 2019, 9 p.m. N/A 1.0 ppb (1) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.16 ppb (2) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 8 p.m. N/A 1.0 ppb (1) 4.9 ppb (5) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.17 ppb (2) 18.0 μg/m3 (16) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 7 p.m. N/A 0.5 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 7.0 μg/m3 (6) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 6 p.m. N/A 0.5 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.18 ppb (2) 19.0 μg/m3 (17) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 5 p.m. N/A 0.7 ppb (1) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 4 p.m. N/A 0.9 ppb (1) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.15 ppb (2) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 p.m. N/A 0.9 ppb (1) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 2 p.m. N/A 0.9 ppb (1) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) 24.0 μg/m3 (22) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 1 p.m. N/A 1.2 ppb (1) 4.9 ppb (5) N/A N/A N/A 24.0 ppb (18) 0.13 ppb (1) 20.0 μg/m3 (18) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, noon N/A 0.4 ppb (0) 5.4 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 11 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) 21.0 μg/m3 (19) 16.0 μg/m3 (59) 59.0
 
Sept. 15, 2019, 10 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.11 ppb (1) 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 9 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.11 ppb (1) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 8 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) 21.0 μg/m3 (19) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 7 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 23.0 μg/m3 (21) 14.0 μg/m3 (54) 54.0
 
Sept. 15, 2019, 6 a.m. N/A 0.1 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.11 ppb (1) 22.0 μg/m3 (20) 13.0 μg/m3 (52) 52.0
 
Sept. 15, 2019, 5 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2019, 4 a.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 3 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Sept. 15, 2019, 2 a.m. N/A 0.2 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Sept. 15, 2019, 1 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 28.0
 
Sept. 15, 2019, midnight N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 22.0 μg/m3 (20) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 11 p.m. N/A 0.2 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 29.0
 
Sept. 14, 2019, 10 p.m. N/A 0.2 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 30.0
 
Sept. 14, 2019, 9 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.09 ppb (1) 24.0 μg/m3 (22) 5.0 μg/m3 (21) 30.0
 
Sept. 14, 2019, 8 p.m. N/A 0.3 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.09 ppb (1) 27.0 μg/m3 (25) 6.0 μg/m3 (25) 29.0
 
Sept. 14, 2019, 7 p.m. N/A 0.5 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.09 ppb (1) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 28.0
 
Sept. 14, 2019, 6 p.m. N/A 0.4 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.08 ppb (1) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 28.0
 
Sept. 14, 2019, 5 p.m. N/A 1.9 ppb (2) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.16 ppb (2) 24.0 μg/m3 (22) 23.0 μg/m3 (73) 73.0
 
Sept. 14, 2019, 4 p.m. N/A 4.7 ppb (4) 11.4 ppb (11) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 23.0 μg/m3 (21) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 3 p.m. N/A 0.6 ppb (1) 4.4 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 2 p.m. N/A 0.5 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.15 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 1 p.m. N/A 0.6 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, noon N/A 0.5 ppb (0) 3.3 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 11 a.m. N/A 0.3 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) 13.0 μg/m3 (12) 7.0 μg/m3 (29) 29.0
 
Sept. 14, 2019, 10 a.m. N/A 0.4 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.13 ppb (1) 12.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 9 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.14 ppb (2) 12.0 μg/m3 (11) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 8 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
Sept. 14, 2019, 7 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.13 ppb (1) 14.0 μg/m3 (13) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2019, 6 a.m. N/A 0.1 ppb (0) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 5 a.m. N/A 0.1 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
Sept. 14, 2019, 4 a.m. N/A 0.4 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 3 a.m. N/A 0.5 ppb (0) 7.7 ppb (7) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 2 a.m. N/A 2.3 ppb (2) 17.6 ppb (16) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.26 ppb (3) 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 1 a.m. N/A 3.9 ppb (4) 27.0 ppb (25) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.34 ppb (4) 38.0 μg/m3 (35) 15.0 μg/m3 (56) 56.0
 
Sept. 14, 2019, midnight N/A 0.6 ppb (1) 9.6 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 20.0 μg/m3 (18) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2019, 11 p.m. N/A 0.3 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 16.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2019, 10 p.m. N/A 0.5 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 10.0 μg/m3 (9) 4.0 μg/m3 (17) 25.0