AQSQID: 310550019

Site Name: Ncore

Location: Omaha, NE

Reporting: True, Located: True

Current AQI: 18.0

Omaha NE, US: 41.2474, -95.9731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 16, 2019, 3 p.m. N/A 2.3 ppb (2) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) 7.0 μg/m3 (6) 1.0 μg/m3 (4) 18.0
 
July 16, 2019, 2 p.m. N/A 2.9 ppb (3) 6.4 ppb (6) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 11.0 μg/m3 (10) 2.0 μg/m3 (8) 15.0
 
July 16, 2019, 1 p.m. N/A 11.2 ppb (10) 21.1 ppb (20) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (8) 20.0
 
July 16, 2019, noon N/A 0.7 ppb (1) 6.1 ppb (6) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) 8.0 μg/m3 (7) 3.0 μg/m3 (12) 15.0
 
July 16, 2019, 11 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) 11.0 μg/m3 (10) 4.0 μg/m3 (17) 18.0
 
July 16, 2019, 10 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 9 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.12 ppb (1) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 8 a.m. N/A 0.1 ppb (0) -0.2 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 7 a.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 18.0 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 6 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 12.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 5 a.m. N/A 0.2 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
July 16, 2019, 4 a.m. N/A 0.3 ppb (0) 2.4 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 22.0
 
July 16, 2019, 3 a.m. N/A 0.2 ppb (0) 4.3 ppb (4) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.15 ppb (2) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
July 16, 2019, 2 a.m. N/A 0.3 ppb (0) 4.8 ppb (4) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.16 ppb (2) 20.0 μg/m3 (18) 6.0 μg/m3 (25) 26.0
 
July 16, 2019, 1 a.m. N/A 0.4 ppb (0) 3.5 ppb (3) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.14 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 29.0
 
July 16, 2019, midnight N/A 0.6 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.13 ppb (1) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 30.0
 
July 15, 2019, 11 p.m. N/A 0.8 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.13 ppb (1) 26.0 μg/m3 (24) 3.0 μg/m3 (12) 31.0
 
July 15, 2019, 10 p.m. N/A 0.9 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.13 ppb (1) 34.0 μg/m3 (31) 3.0 μg/m3 (12) 31.0
 
July 15, 2019, 9 p.m. N/A 0.9 ppb (1) 2.2 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) 42.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
July 15, 2019, 8 p.m. N/A 0.9 ppb (1) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.13 ppb (1) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 7 p.m. N/A 0.9 ppb (1) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 43.0 μg/m3 (39) 7.0 μg/m3 (29) 39.0
 
July 15, 2019, 6 p.m. N/A 1.0 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.15 ppb (2) N/A N/A 25.0
 
July 15, 2019, 5 p.m. N/A 0.7 ppb (1) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 24.0
 
July 15, 2019, 4 p.m. N/A 0.8 ppb (1) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) -2.0 μg/m3 (0) -4.0 μg/m3 (0) 24.0
 
July 15, 2019, 3 p.m. N/A 0.9 ppb (1) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 2.0 μg/m3 (2) -4.0 μg/m3 (0) 22.0
 
July 15, 2019, 2 p.m. N/A 1.2 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 19.0
 
July 15, 2019, 1 p.m. N/A 1.2 ppb (1) 2.3 ppb (2) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) -2.0 μg/m3 (0) -2.0 μg/m3 (0) 17.0
 
July 15, 2019, noon N/A 1.1 ppb (1) 3.9 ppb (4) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) -1.0 μg/m3 (0) -4.0 μg/m3 (0) 15.0
 
July 15, 2019, 11 a.m. N/A 0.8 ppb (1) 3.4 ppb (3) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A -2.0 μg/m3 (0) -3.0 μg/m3 (0) 15.0
 
July 15, 2019, 10 a.m. N/A 0.3 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.12 ppb (1) -1.0 μg/m3 (0) -4.0 μg/m3 (0) 15.0
 
July 15, 2019, 9 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 18.0
 
July 15, 2019, 8 a.m. N/A 0.1 ppb (0) -0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 19.0
 
July 15, 2019, 7 a.m. N/A 0.1 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.14 ppb (2) 1.0 μg/m3 (1) N/A 23.0
 
July 15, 2019, 6 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.16 ppb (2) -1.0 μg/m3 (0) N/A 28.0
 
July 15, 2019, 5 a.m. N/A 0.2 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 2.0 μg/m3 (2) N/A 28.0
 
July 15, 2019, 4 a.m. N/A 0.5 ppb (0) 7.5 ppb (7) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 24.0
 
July 15, 2019, 3 a.m. N/A 0.7 ppb (1) 7.8 ppb (7) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.21 ppb (2) 3.0 μg/m3 (3) -3.0 μg/m3 (0) 27.0
 
July 15, 2019, 2 a.m. N/A 0.5 ppb (0) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 5.0 μg/m3 (5) -2.0 μg/m3 (0) 32.0
 
July 15, 2019, 1 a.m. N/A 0.6 ppb (1) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 35.0
 
July 15, 2019, midnight N/A 0.5 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 52.0 ppb (40) 0.17 ppb (2) -3.0 μg/m3 (0) -1.0 μg/m3 (0) 40.0
 
July 14, 2019, 11 p.m. N/A 0.5 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 54.0 ppb (42) 0.18 ppb (2) 4.0 μg/m3 (4) -1.0 μg/m3 (0) 42.0
 
July 14, 2019, 10 p.m. N/A 0.5 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.17 ppb (2) 5.0 μg/m3 (5) -3.0 μg/m3 (0) 41.0
 
July 14, 2019, 9 p.m. N/A 0.7 ppb (1) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 50.0 ppb (38) 0.16 ppb (2) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 38.0
 
July 14, 2019, 8 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.16 ppb (2) -1.0 μg/m3 (0) -3.0 μg/m3 (0) 38.0
 
July 14, 2019, 7 p.m. N/A 0.3 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 0.0 μg/m3 (0) N/A 37.0
 
July 14, 2019, 6 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.16 ppb (2) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 37.0
 
July 14, 2019, 5 p.m. N/A 0.3 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.16 ppb (2) -3.0 μg/m3 (0) -2.0 μg/m3 (0) 35.0
 
July 14, 2019, 4 p.m. N/A 0.4 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.17 ppb (2) -1.0 μg/m3 (0) -2.0 μg/m3 (0) 36.0
 
July 14, 2019, 3 p.m. N/A 0.4 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 33.0
 
July 14, 2019, 2 p.m. N/A 0.8 ppb (1) 2.5 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 30.0
 
July 14, 2019, 1 p.m. N/A 0.8 ppb (1) 3.2 ppb (3) N/A N/A N/A 38.0 ppb (29) 0.17 ppb (2) -2.0 μg/m3 (0) 19.0 μg/m3 (65) 65.0
 
July 14, 2019, noon N/A 0.8 ppb (1) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A -2.0 μg/m3 (0) -3.0 μg/m3 (0) 27.0
 
July 14, 2019, 11 a.m. N/A 0.5 ppb (0) 8.3 ppb (8) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 22.0
 
July 14, 2019, 10 a.m. N/A 0.6 ppb (1) 8.2 ppb (8) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) 7.0 μg/m3 (6) -3.0 μg/m3 (0) 18.0
 
July 14, 2019, 9 a.m. N/A 0.3 ppb (0) 10.0 ppb (9) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.21 ppb (2) -3.0 μg/m3 (0) -4.0 μg/m3 (0) 18.0
 
July 14, 2019, 8 a.m. N/A 0.7 ppb (1) 13.4 ppb (12) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 2.0 μg/m3 (2) N/A 16.0
 
July 14, 2019, 7 a.m. N/A 1.0 ppb (1) 14.0 ppb (13) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.22 ppb (2) 5.0 μg/m3 (5) N/A 14.0
 
July 14, 2019, 6 a.m. N/A 0.3 ppb (0) 7.4 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.21 ppb (2) 4.0 μg/m3 (4) N/A 23.0
 
July 14, 2019, 5 a.m. N/A 0.8 ppb (1) 10.1 ppb (9) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.22 ppb (2) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 22.0
 
July 14, 2019, 4 a.m. N/A 0.3 ppb (0) 6.4 ppb (6) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.23 ppb (3) 1.0 μg/m3 (1) -4.0 μg/m3 (0) 24.0
 
July 14, 2019, 3 a.m. N/A 0.6 ppb (1) 9.2 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.27 ppb (3) 3.0 μg/m3 (3) -4.0 μg/m3 (0) 22.0
 
July 14, 2019, 2 a.m. N/A 0.4 ppb (0) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 4.0 μg/m3 (4) N/A 27.0
 
July 14, 2019, 1 a.m. N/A 0.4 ppb (0) 3.5 ppb (3) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.16 ppb (2) -1.0 μg/m3 (0) N/A 31.0
 
July 14, 2019, midnight N/A 0.4 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.14 ppb (2) -1.0 μg/m3 (0) -4.0 μg/m3 (0) 36.0
 
July 13, 2019, 11 p.m. N/A 0.5 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.15 ppb (2) 4.0 μg/m3 (4) -4.0 μg/m3 (0) 35.0
 
July 13, 2019, 10 p.m. N/A 0.5 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.14 ppb (2) 3.0 μg/m3 (3) N/A 35.0
 
July 13, 2019, 9 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.13 ppb (1) 7.0 μg/m3 (6) -4.0 μg/m3 (0) 35.0
 
July 13, 2019, 8 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) -2.0 μg/m3 (0) -3.0 μg/m3 (0) 34.0
 
July 13, 2019, 7 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.13 ppb (1) -1.0 μg/m3 (0) -2.0 μg/m3 (0) 34.0
 
July 13, 2019, 6 p.m. N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.13 ppb (1) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 32.0
 
July 13, 2019, 5 p.m. N/A 0.3 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 31.0
 
July 13, 2019, 4 p.m. N/A 0.5 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.21 ppb (2) -1.0 μg/m3 (0) 0.0 μg/m3 (0) 32.0
 
July 13, 2019, 3 p.m. N/A 1.6 ppb (1) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.2 ppb (2) -3.0 μg/m3 (0) -3.0 μg/m3 (0) 30.0
 
July 13, 2019, 2 p.m. N/A 1.3 ppb (1) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) -1.0 μg/m3 (0) -4.0 μg/m3 (0) 25.0
 
July 13, 2019, 1 p.m. N/A 1.7 ppb (2) 6.5 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.21 ppb (2) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 22.0
 
July 13, 2019, noon N/A 0.8 ppb (1) 12.3 ppb (11) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) 1.0 μg/m3 (1) 0.0 μg/m3 (0) 15.0
 
July 13, 2019, 11 a.m. N/A 0.1 ppb (0) 8.6 ppb (8) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.27 ppb (3) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 18.0
 
July 13, 2019, 10 a.m. N/A 0.1 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) -2.0 μg/m3 (0) -4.0 μg/m3 (0) 22.0
 
July 13, 2019, 9 a.m. N/A 0.1 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) -2.0 μg/m3 (0) -2.0 μg/m3 (0) 24.0
 
July 13, 2019, 8 a.m. N/A 0.4 ppb (0) 6.2 ppb (6) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) 3.0 μg/m3 (3) -2.0 μg/m3 (0) 21.0
 
July 13, 2019, 7 a.m. N/A 1.0 ppb (1) 11.1 ppb (10) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.26 ppb (3) 1.0 μg/m3 (1) -2.0 μg/m3 (0) 18.0
 
July 13, 2019, 6 a.m. N/A 0.2 ppb (0) 4.9 ppb (5) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A -1.0 μg/m3 (0) 25.0
 
July 13, 2019, 5 a.m. N/A 0.1 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 1.0 μg/m3 (1) -3.0 μg/m3 (0) 27.0
 
July 13, 2019, 4 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 11.0 μg/m3 (10) -2.0 μg/m3 (0) 27.0
 
July 13, 2019, 3 a.m. N/A 0.2 ppb (0) 3.8 ppb (4) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 6.0 μg/m3 (5) -2.0 μg/m3 (0) 28.0
 
July 13, 2019, 2 a.m. N/A 0.4 ppb (0) 8.4 ppb (8) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.27 ppb (3) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 25.0
 
July 13, 2019, 1 a.m. N/A 0.6 ppb (1) 7.0 ppb (6) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.23 ppb (3) 5.0 μg/m3 (5) -4.0 μg/m3 (0) 29.0
 
July 13, 2019, midnight N/A 0.6 ppb (1) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 2.0 μg/m3 (2) N/A 35.0
 
July 12, 2019, 11 p.m. N/A 0.9 ppb (1) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) -3.0 μg/m3 (0) -4.0 μg/m3 (0) 36.0
 
July 12, 2019, 10 p.m. N/A 0.6 ppb (1) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (37) 0.18 ppb (2) 0.0 μg/m3 (0) -4.0 μg/m3 (0) 37.0
 
July 12, 2019, 9 p.m. N/A 0.7 ppb (1) 2.1 ppb (2) N/A N/A 1.0 ppb (1) 50.0 ppb (38) 0.19 ppb (2) 2.0 μg/m3 (2) -3.0 μg/m3 (0) 38.0
 
July 12, 2019, 8 p.m. N/A 0.6 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 49.0 ppb (38) 0.18 ppb (2) 0.0 μg/m3 (0) -2.0 μg/m3 (0) 38.0
 
July 12, 2019, 7 p.m. N/A 0.5 ppb (0) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 1.0 μg/m3 (1) -1.0 μg/m3 (0) 36.0
 
July 12, 2019, 6 p.m. N/A 0.6 ppb (1) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.18 ppb (2) 0.0 μg/m3 (0) 2.0 μg/m3 (8) 35.0
 
July 12, 2019, 5 p.m. N/A 0.8 ppb (1) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) N/A 2.0 μg/m3 (8) 34.0
 
July 12, 2019, 4 p.m. N/A 1.1 ppb (1) 3.2 ppb (3) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.19 ppb (2) N/A 7.0 μg/m3 (29) 32.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 2 p.m. N/A 1.2 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) 29.0 μg/m3 (26) 3.0 μg/m3 (12) 26.0
 
July 12, 2019, 1 p.m. N/A 2.1 ppb (2) 6.6 ppb (6) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.23 ppb (3) 29.0 μg/m3 (26) 3.0 μg/m3 (12) 26.0
 
July 12, 2019, noon N/A 3.0 ppb (3) 12.4 ppb (11) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.25 ppb (3) 36.0 μg/m3 (33) 2.0 μg/m3 (8) 33.0
 
July 12, 2019, 11 a.m. N/A 1.0 ppb (1) 9.0 ppb (8) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 26.0 μg/m3 (24) 0.0 μg/m3 (0) 24.0
 
July 12, 2019, 10 a.m. N/A 0.2 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.17 ppb (2) 20.0 μg/m3 (18) 1.0 μg/m3 (4) 22.0
 
July 12, 2019, 9 a.m. N/A 0.3 ppb (0) 6.2 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 24.0 μg/m3 (22) 2.0 μg/m3 (8) 22.0
 
July 12, 2019, 8 a.m. N/A 1.2 ppb (1) 15.6 ppb (14) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.24 ppb (3) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
July 12, 2019, 7 a.m. N/A 2.5 ppb (2) 24.4 ppb (23) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) 32.0 μg/m3 (29) 6.0 μg/m3 (25) 29.0
 
July 12, 2019, 6 a.m. N/A 0.9 ppb (1) 10.7 ppb (10) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) 28.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
July 12, 2019, 5 a.m. N/A 0.1 ppb (0) 9.7 ppb (9) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.27 ppb (3) 26.0 μg/m3 (24) 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 4 a.m. N/A 0.2 ppb (0) 9.4 ppb (9) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) 27.0 μg/m3 (25) 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 3 a.m. N/A 0.1 ppb (0) 7.2 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 32.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
July 12, 2019, 2 a.m. N/A 0.1 ppb (0) 5.4 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.23 ppb (3) 25.0 μg/m3 (23) 7.0 μg/m3 (29) 29.0
 
July 12, 2019, 1 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 32.0
 
July 12, 2019, midnight N/A 0.2 ppb (0) -0.3 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.15 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 32.0
 
July 11, 2019, 11 p.m. N/A 0.3 ppb (0) -0.3 ppb (0) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 20.0 μg/m3 (18) 5.0 μg/m3 (21) 33.0
 
July 11, 2019, 10 p.m. N/A 0.5 ppb (0) 0.6 ppb (1) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.16 ppb (2) 21.0 μg/m3 (19) 6.0 μg/m3 (25) 32.0
 
July 11, 2019, 9 p.m. N/A 0.6 ppb (1) 1.1 ppb (1) N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.17 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
July 11, 2019, 8 p.m. N/A 1.0 ppb (1) 2.7 ppb (3) N/A N/A 2.0 ppb (3) 41.0 ppb (32) 0.17 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 32.0
 
July 11, 2019, 7 p.m. N/A 0.5 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.16 ppb (2) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 6 p.m. N/A 0.5 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.15 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 32.0
 
July 11, 2019, 5 p.m. N/A 0.5 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.2 ppb (2) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 32.0
 
July 11, 2019, 4 p.m. N/A 0.5 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 30.0
 
July 11, 2019, 3 p.m. N/A 0.6 ppb (1) 0.4 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.22 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 2 p.m. N/A 0.9 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 11, 2019, 1 p.m. N/A 1.3 ppb (1) 2.1 ppb (2) N/A N/A N/A 24.0 ppb (18) 0.21 ppb (2) 23.0 μg/m3 (21) 11.0 μg/m3 (46) 46.0
 
July 11, 2019, noon N/A 1.9 ppb (2) 5.6 ppb (5) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
July 11, 2019, 11 a.m. N/A 0.6 ppb (1) 4.4 ppb (4) N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 10 a.m. N/A 0.2 ppb (0) 2.6 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 9 a.m. N/A 0.2 ppb (0) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.18 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 8 a.m. N/A 0.1 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.18 ppb (2) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 11, 2019, 7 a.m. N/A 0.1 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 6 a.m. N/A 0.1 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 18.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
July 11, 2019, 5 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 4 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 19.0 μg/m3 (17) 3.0 μg/m3 (12) 24.0
 
July 11, 2019, 3 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.22 ppb (2) 20.0 μg/m3 (18) 3.0 μg/m3 (12) 25.0
 
July 11, 2019, 2 a.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 21.0 μg/m3 (19) 3.0 μg/m3 (12) 27.0
 
July 11, 2019, 1 a.m. N/A 0.2 ppb (0) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 25.0 μg/m3 (23) 4.0 μg/m3 (17) 29.0
 
July 11, 2019, midnight N/A 0.3 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.19 ppb (2) 21.0 μg/m3 (19) 4.0 μg/m3 (17) 30.0
 
July 10, 2019, 11 p.m. N/A 0.4 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.18 ppb (2) 27.0 μg/m3 (25) 4.0 μg/m3 (17) 30.0
 
July 10, 2019, 10 p.m. N/A 0.5 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.17 ppb (2) 25.0 μg/m3 (23) 5.0 μg/m3 (21) 30.0
 
July 10, 2019, 9 p.m. N/A 0.6 ppb (1) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.17 ppb (2) 26.0 μg/m3 (24) 3.0 μg/m3 (12) 32.0
 
July 10, 2019, 8 p.m. N/A 0.5 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.16 ppb (2) 26.0 μg/m3 (24) 0.0 μg/m3 (0) 35.0
 
July 10, 2019, 7 p.m. N/A 0.5 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.16 ppb (2) 24.0 μg/m3 (22) 2.0 μg/m3 (8) 34.0
 
July 10, 2019, 6 p.m. N/A 0.4 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.15 ppb (2) 30.0 μg/m3 (27) 3.0 μg/m3 (12) 33.0
 
July 10, 2019, 5 p.m. N/A 0.6 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) 16.0 μg/m3 (15) 1.0 μg/m3 (4) 32.0
 
July 10, 2019, 4 p.m. N/A 0.7 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.11 ppb (1) 17.0 μg/m3 (15) 2.0 μg/m3 (8) 31.0
 
July 10, 2019, 3 p.m. N/A 1.5 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 28.0
 
July 10, 2019, 2 p.m. N/A 1.8 ppb (2) 4.5 ppb (4) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 10.0 μg/m3 (9) -2.0 μg/m3 (0) 24.0
 
July 10, 2019, 1 p.m. N/A 0.9 ppb (1) 5.1 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 10.0 μg/m3 (9) -4.0 μg/m3 (0) 22.0
 
July 10, 2019, noon N/A 0.2 ppb (0) 3.3 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 13.0 μg/m3 (12) -2.0 μg/m3 (0) 22.0
 
July 10, 2019, 11 a.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) 6.0 μg/m3 (5) -2.0 μg/m3 (0) 25.0
 
July 10, 2019, 10 a.m. N/A 0.1 ppb (0) 1.4 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.09 ppb (1) 6.0 μg/m3 (5) 1.0 μg/m3 (4) 25.0
 
July 10, 2019, 9 a.m. N/A 0.1 ppb (0) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) 9.0 μg/m3 (8) 4.0 μg/m3 (17) 18.0
 
July 10, 2019, 8 a.m. N/A 0.1 ppb (0) 5.3 ppb (5) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.14 ppb (2) 13.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
July 10, 2019, 7 a.m. N/A 0.1 ppb (0) 2.8 ppb (3) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
July 10, 2019, 6 a.m. N/A 0.1 ppb (0) 2.8 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
July 10, 2019, 5 a.m. N/A 0.1 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 12.0 μg/m3 (11) 3.0 μg/m3 (12) 24.0
 
July 10, 2019, 4 a.m. N/A 0.1 ppb (0) 5.5 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 13.0 μg/m3 (12) 3.0 μg/m3 (12) 22.0
 
July 10, 2019, 3 a.m. N/A 0.1 ppb (0) 6.3 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) 19.0 μg/m3 (17) -1.0 μg/m3 (0) 22.0
 
July 10, 2019, 2 a.m. N/A 0.1 ppb (0) 3.7 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.15 ppb (2) 15.0 μg/m3 (14) -1.0 μg/m3 (0) 27.0
 
July 10, 2019, 1 a.m. N/A 0.2 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.12 ppb (1) 14.0 μg/m3 (13) 0.0 μg/m3 (0) 31.0
 
July 10, 2019, midnight N/A 0.2 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) 12.0 μg/m3 (11) -1.0 μg/m3 (0) 33.0
 
July 9, 2019, 11 p.m. N/A 0.3 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) 12.0 μg/m3 (11) -3.0 μg/m3 (0) 34.0
 
July 9, 2019, 10 p.m. N/A 0.4 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 7.0 μg/m3 (6) -1.0 μg/m3 (0) 35.0
 
July 9, 2019, 9 p.m. N/A 0.4 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) 9.0 μg/m3 (8) 1.0 μg/m3 (4) 35.0
 
July 9, 2019, 8 p.m. N/A 0.5 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) 11.0 μg/m3 (10) -1.0 μg/m3 (0) 35.0
 
July 9, 2019, 7 p.m. N/A 0.5 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 46.0 ppb (35) 0.09 ppb (1) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 35.0
 
July 9, 2019, 6 p.m. N/A 0.6 ppb (1) 1.1 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.12 ppb (1) 9.0 μg/m3 (8) -1.0 μg/m3 (0) 34.0
 
July 9, 2019, 5 p.m. N/A 0.5 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.14 ppb (2) 6.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
July 9, 2019, 4 p.m. N/A 0.6 ppb (1) 1.2 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) 12.0 μg/m3 (11) -2.0 μg/m3 (0) 32.0