ID: 539

AQSQID: 310550019

Site Name: Ncore

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

Updated: Sept. 19, 2021, 10:57 p.m.

Location: Omaha (Field Club), NE

Reporting: False, Located: True

Current AQI: None

Omaha (Field Club) NE, US: 41.2474, -95.9731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 15, 2021, 6 p.m. N/A 0.8 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.14 ppb (2) 37.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 5 p.m. N/A 1.2 ppb (2) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.11 ppb (2) 33.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 4 p.m. N/A 1.4 ppb (2) 3.4 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.14 ppb (2) 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 6.0 μg/m3 (25) 31.0
 
Sept. 15, 2021, 2 p.m. N/A 3.6 ppb (4) 9.2 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) 46.0 μg/m3 (43) 7.0 μg/m3 (30) 43.0
 
Sept. 15, 2021, 1 p.m. N/A 11.0 ppb (11) 22.5 ppb (22) N/A N/A 0.0 ppb (0) N/A 0.28 ppb (4) 37.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, noon N/A 31.3 ppb (30) 53.8 ppb (51) N/A N/A 0.0 ppb (0) N/A 0.39 ppb (5) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 51.0
 
Sept. 15, 2021, 11 a.m. N/A 16.8 ppb (16) 36.6 ppb (35) N/A N/A 0.0 ppb (0) N/A 0.38 ppb (5) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 10 a.m. N/A 16.2 ppb (16) 32.7 ppb (31) N/A N/A 0.0 ppb (0) N/A 0.43 ppb (5) 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2021, 9 a.m. N/A 9.2 ppb (9) 29.4 ppb (28) N/A N/A 0.0 ppb (0) N/A 0.39 ppb (5) 28.0 μg/m3 (26) 16.0 μg/m3 (60) 60.0
 
Sept. 15, 2021, 8 a.m. N/A 10.9 ppb (11) 33.1 ppb (32) N/A N/A 0.0 ppb (0) N/A 0.39 ppb (5) 25.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
Sept. 15, 2021, 7 a.m. N/A 1.8 ppb (2) 22.2 ppb (21) N/A N/A 0.0 ppb (0) N/A 0.39 ppb (5) 33.0 μg/m3 (31) 15.0 μg/m3 (58) 58.0
 
Sept. 15, 2021, 6 a.m. N/A 4.6 ppb (5) 27.9 ppb (27) N/A N/A 0.0 ppb (0) N/A 0.47 ppb (6) 17.0 μg/m3 (16) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 5 a.m. N/A 0.1 ppb (1) 9.4 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.26 ppb (4) 26.0 μg/m3 (25) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 4 a.m. N/A 0.0 ppb (0) 9.8 ppb (10) N/A N/A 0.0 ppb (0) N/A 0.29 ppb (4) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 3 a.m. N/A 0.0 ppb (0) 6.1 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) 25.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, 2 a.m. N/A 0.0 ppb (0) 6.8 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.25 ppb (3) 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
Sept. 15, 2021, 1 a.m. N/A 0.0 ppb (0) 4.5 ppb (5) N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) 29.0 μg/m3 (27) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, midnight N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.2 ppb (3) 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2021, 11 p.m. N/A 0.3 ppb (1) 1.6 ppb (2) N/A N/A 1.0 ppb (2) N/A 0.17 ppb (3) 21.0 μg/m3 (20) 3.0 μg/m3 (13) 20.0
 
Sept. 14, 2021, 10 p.m. N/A 0.5 ppb (1) 1.4 ppb (2) N/A N/A 1.0 ppb (2) N/A 0.18 ppb (3) 23.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2021, 9 p.m. N/A 0.5 ppb (1) 1.4 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.18 ppb (3) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2021, 8 p.m. N/A 0.3 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 106.0 ppb (120) 0.17 ppb (3) 20.0 μg/m3 (19) 5.0 μg/m3 (21) 120.0
 
Sept. 14, 2021, 7 p.m. N/A 0.6 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.18 ppb (3) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 5 p.m. N/A 1.2 ppb (2) 2.5 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.21 ppb (3) 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 4 p.m. N/A 1.0 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2021, 3 p.m. N/A 0.9 ppb (1) 2.5 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) N/A 5.0 μg/m3 (21) 24.0
 
Sept. 14, 2021, 2 p.m. N/A 0.4 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Sept. 14, 2021, 1 p.m. N/A 0.3 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.19 ppb (3) 10.0 μg/m3 (10) 8.0 μg/m3 (34) 34.0
 
Sept. 14, 2021, noon N/A 0.2 ppb (1) 2.6 ppb (3) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.19 ppb (3) 15.0 μg/m3 (14) 11.0 μg/m3 (46) 46.0
 
Sept. 14, 2021, 11 a.m. N/A 0.2 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.19 ppb (3) 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
Sept. 14, 2021, 10 a.m. N/A 0.1 ppb (1) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.19 ppb (3) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2021, 9 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.2 ppb (3) 35.0 μg/m3 (33) 17.0 μg/m3 (62) 62.0
 
Sept. 14, 2021, 8 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.2 ppb (3) 36.0 μg/m3 (34) 13.0 μg/m3 (53) 53.0
 
Sept. 14, 2021, 7 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.21 ppb (3) 36.0 μg/m3 (34) 14.0 μg/m3 (55) 55.0
 
Sept. 14, 2021, 6 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.22 ppb (3) 39.0 μg/m3 (37) 15.0 μg/m3 (58) 58.0
 
Sept. 14, 2021, 5 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.23 ppb (3) 44.0 μg/m3 (41) 14.0 μg/m3 (55) 55.0
 
Sept. 14, 2021, 4 a.m. N/A 0.2 ppb (1) 8.4 ppb (8) N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.28 ppb (4) 59.0 μg/m3 (53) 19.0 μg/m3 (66) 66.0
 
Sept. 14, 2021, 3 a.m. N/A 0.6 ppb (1) 15.4 ppb (15) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.33 ppb (4) 73.0 μg/m3 (60) 18.0 μg/m3 (64) 64.0
 
Sept. 14, 2021, 2 a.m. N/A 0.5 ppb (1) 16.0 ppb (16) N/A N/A 1.0 ppb (2) 37.0 ppb (35) 0.34 ppb (4) 66.0 μg/m3 (57) 23.0 μg/m3 (74) 74.0
 
Sept. 14, 2021, 1 a.m. N/A 0.1 ppb (1) 8.2 ppb (8) N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.28 ppb (4) 60.0 μg/m3 (54) 13.0 μg/m3 (53) 54.0
 
Sept. 14, 2021, midnight N/A 0.2 ppb (1) 5.9 ppb (6) N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.28 ppb (4) 59.0 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
Sept. 13, 2021, 11 p.m. N/A 0.2 ppb (1) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.26 ppb (4) 53.0 μg/m3 (50) 15.0 μg/m3 (58) 58.0
 
Sept. 13, 2021, 10 p.m. N/A 0.3 ppb (1) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 57.0 ppb (58) 0.24 ppb (3) 49.0 μg/m3 (46) 14.0 μg/m3 (55) 58.0
 
Sept. 13, 2021, 9 p.m. N/A 0.4 ppb (1) 2.4 ppb (3) N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.23 ppb (3) 49.0 μg/m3 (46) 12.0 μg/m3 (50) 55.0
 
Sept. 13, 2021, 8 p.m. N/A 0.4 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.23 ppb (3) 53.0 μg/m3 (50) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 7 p.m. N/A 0.4 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.22 ppb (3) 57.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
Sept. 13, 2021, 6 p.m. N/A 0.8 ppb (1) 3.2 ppb (4) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.21 ppb (3) 54.0 μg/m3 (50) 14.0 μg/m3 (55) 55.0
 
Sept. 13, 2021, 5 p.m. N/A 0.6 ppb (1) 2.3 ppb (3) N/A N/A N/A 40.0 ppb (38) 0.25 ppb (3) 42.0 μg/m3 (39) 9.0 μg/m3 (38) 39.0
 
Sept. 13, 2021, 4 p.m. N/A 1.0 ppb (1) 3.3 ppb (4) N/A N/A N/A 37.0 ppb (35) N/A 36.0 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 3 p.m. N/A 2.6 ppb (3) 9.4 ppb (9) N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A 47.0 μg/m3 (44) 16.0 μg/m3 (60) 60.0
 
Sept. 13, 2021, 2 p.m. N/A 2.6 ppb (3) 11.7 ppb (12) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.25 ppb (3) 39.0 μg/m3 (37) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 1 p.m. N/A 3.3 ppb (4) 15.3 ppb (15) N/A N/A 1.0 ppb (2) 20.0 ppb (19) 0.32 ppb (4) 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2021, noon N/A 2.8 ppb (3) 20.8 ppb (20) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.58 ppb (7) 39.0 μg/m3 (37) 13.0 μg/m3 (53) 53.0
 
Sept. 13, 2021, 11 a.m. N/A 0.8 ppb (1) 11.2 ppb (11) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.31 ppb (4) 24.0 μg/m3 (23) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 10 a.m. N/A 1.0 ppb (1) 7.1 ppb (7) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.21 ppb (3) 27.0 μg/m3 (25) 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 9 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.17 ppb (3) 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
Sept. 13, 2021, 8 a.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.17 ppb (3) 37.0 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
Sept. 13, 2021, 7 a.m. N/A 0.0 ppb (0) 2.8 ppb (3) N/A N/A 1.0 ppb (2) 19.0 ppb (18) 0.16 ppb (3) 37.0 μg/m3 (35) 7.0 μg/m3 (30) 35.0
 
Sept. 13, 2021, 6 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.16 ppb (3) 37.0 μg/m3 (35) 11.0 μg/m3 (46) 46.0
 
Sept. 13, 2021, 5 a.m. N/A 0.0 ppb (0) 3.0 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.17 ppb (3) 37.0 μg/m3 (35) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 4 a.m. N/A 0.0 ppb (0) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.16 ppb (3) 37.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Sept. 13, 2021, 3 a.m. N/A 0.0 ppb (0) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 30.0 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
Sept. 13, 2021, 2 a.m. N/A 0.0 ppb (0) 3.6 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 34.0 μg/m3 (32) 7.0 μg/m3 (30) 32.0
 
Sept. 13, 2021, 1 a.m. N/A 0.0 ppb (0) 3.7 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2021, midnight N/A 0.0 ppb (0) 2.8 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) 34.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Sept. 12, 2021, 11 p.m. N/A 0.2 ppb (1) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 30.0 μg/m3 (28) 7.0 μg/m3 (30) 30.0
 
Sept. 12, 2021, 10 p.m. N/A 0.3 ppb (1) 2.5 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 34.0 μg/m3 (32) 6.0 μg/m3 (25) 32.0
 
Sept. 12, 2021, 9 p.m. N/A 0.2 ppb (1) 2.1 ppb (2) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.19 ppb (3) 37.0 μg/m3 (35) 6.0 μg/m3 (25) 35.0
 
Sept. 12, 2021, 8 p.m. N/A 0.3 ppb (1) 3.4 ppb (4) N/A N/A 2.0 ppb (3) 24.0 ppb (23) 0.19 ppb (3) 39.0 μg/m3 (37) 16.0 μg/m3 (60) 60.0
 
Sept. 12, 2021, 7 p.m. N/A 0.6 ppb (1) 4.4 ppb (5) N/A N/A 3.0 ppb (5) 22.0 ppb (21) 0.18 ppb (3) 33.0 μg/m3 (31) 16.0 μg/m3 (60) 60.0
 
Sept. 12, 2021, 6 p.m. N/A 0.3 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.16 ppb (3) 28.0 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Sept. 12, 2021, 5 p.m. N/A 1.2 ppb (2) 3.3 ppb (4) N/A N/A 2.0 ppb (3) 18.0 ppb (17) 0.19 ppb (3) 25.0 μg/m3 (24) 1.0 μg/m3 (5) 24.0
 
Sept. 12, 2021, 4 p.m. N/A 1.5 ppb (2) 7.4 ppb (7) N/A N/A 2.0 ppb (3) 15.0 ppb (14) 0.25 ppb (3) 45.0 μg/m3 (42) 15.0 μg/m3 (58) 58.0
 
Sept. 12, 2021, 3 p.m. N/A 0.9 ppb (1) 4.3 ppb (5) N/A N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Sept. 12, 2021, 2 p.m. N/A 0.8 ppb (1) 2.8 ppb (3) N/A N/A 1.0 ppb (2) 19.0 ppb (18) 0.19 ppb (3) 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Sept. 12, 2021, 1 p.m. N/A 0.7 ppb (1) 4.1 ppb (4) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.2 ppb (3) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2021, noon N/A 0.3 ppb (1) 3.7 ppb (4) N/A N/A 2.0 ppb (3) 18.0 ppb (17) 0.18 ppb (3) 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
Sept. 12, 2021, 11 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.18 ppb (3) 23.0 μg/m3 (22) 7.0 μg/m3 (30) 30.0
 
Sept. 12, 2021, 10 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 63.0 μg/m3 (55) 11.0 μg/m3 (46) 55.0
 
Sept. 12, 2021, 9 a.m. N/A 0.0 ppb (0) 2.3 ppb (3) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.2 ppb (3) 52.0 μg/m3 (49) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, 8 a.m. N/A 0.0 ppb (0) 2.4 ppb (3) N/A N/A 1.0 ppb (2) 39.0 ppb (37) 0.2 ppb (3) 43.0 μg/m3 (40) 13.0 μg/m3 (53) 53.0
 
Sept. 12, 2021, 7 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.2 ppb (3) 43.0 μg/m3 (40) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2021, 6 a.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) 56.0 μg/m3 (52) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, 5 a.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.22 ppb (3) 56.0 μg/m3 (52) 12.0 μg/m3 (50) 52.0
 
Sept. 12, 2021, 4 a.m. N/A 0.3 ppb (1) 7.6 ppb (8) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 59.0 μg/m3 (53) 12.0 μg/m3 (50) 53.0
 
Sept. 12, 2021, 3 a.m. N/A 0.3 ppb (1) 7.6 ppb (8) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.22 ppb (3) 63.0 μg/m3 (55) 13.0 μg/m3 (53) 55.0
 
Sept. 12, 2021, 2 a.m. N/A 0.3 ppb (1) 5.7 ppb (6) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.23 ppb (3) 53.0 μg/m3 (50) 13.0 μg/m3 (53) 53.0
 
Sept. 12, 2021, 1 a.m. N/A 0.6 ppb (1) 11.8 ppb (12) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.28 ppb (4) 61.0 μg/m3 (54) 14.0 μg/m3 (55) 55.0
 
Sept. 12, 2021, midnight N/A 0.7 ppb (1) 10.7 ppb (11) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.29 ppb (4) 63.0 μg/m3 (55) 13.0 μg/m3 (53) 55.0
 
Sept. 11, 2021, 11 p.m. N/A 0.9 ppb (1) 8.5 ppb (9) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.24 ppb (3) 55.0 μg/m3 (51) 15.0 μg/m3 (58) 58.0
 
Sept. 11, 2021, 10 p.m. N/A 1.7 ppb (2) 10.1 ppb (10) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.22 ppb (3) 57.0 μg/m3 (52) 14.0 μg/m3 (55) 55.0
 
Sept. 11, 2021, 9 p.m. N/A 1.4 ppb (2) 8.2 ppb (8) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.21 ppb (3) 49.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2021, 8 p.m. N/A 1.5 ppb (2) 5.6 ppb (6) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.2 ppb (3) 59.0 μg/m3 (53) 10.0 μg/m3 (42) 53.0
 
Sept. 11, 2021, 7 p.m. N/A 1.6 ppb (2) 5.6 ppb (6) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.21 ppb (3) 66.0 μg/m3 (57) 15.0 μg/m3 (58) 58.0
 
Sept. 11, 2021, 6 p.m. N/A 1.8 ppb (2) 5.5 ppb (6) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 59.0 μg/m3 (53) 21.0 μg/m3 (70) 70.0
 
Sept. 11, 2021, 5 p.m. N/A 1.3 ppb (2) 4.7 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 59.0 μg/m3 (53) 14.0 μg/m3 (55) 55.0
 
Sept. 11, 2021, 4 p.m. N/A 1.1 ppb (2) 3.8 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.24 ppb (3) 55.0 μg/m3 (51) 14.0 μg/m3 (55) 55.0
 
Sept. 11, 2021, 3 p.m. N/A 1.8 ppb (2) 5.8 ppb (6) N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.26 ppb (4) 50.0 μg/m3 (47) 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2021, 2 p.m. N/A 1.4 ppb (2) 5.1 ppb (5) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.25 ppb (3) 39.0 μg/m3 (37) 14.0 μg/m3 (55) 55.0
 
Sept. 11, 2021, 1 p.m. N/A 1.8 ppb (2) 10.4 ppb (10) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.28 ppb (4) 56.0 μg/m3 (52) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, noon N/A 1.6 ppb (2) 15.4 ppb (15) N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.32 ppb (4) 66.0 μg/m3 (57) 17.0 μg/m3 (62) 62.0
 
Sept. 11, 2021, 11 a.m. N/A 1.2 ppb (2) 13.1 ppb (13) N/A N/A 1.0 ppb (2) 11.0 ppb (11) 0.34 ppb (4) 51.0 μg/m3 (48) 13.0 μg/m3 (53) 53.0
 
Sept. 11, 2021, 10 a.m. N/A 1.5 ppb (2) 13.2 ppb (13) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.37 ppb (5) 42.0 μg/m3 (39) 11.0 μg/m3 (46) 46.0
 
Sept. 11, 2021, 9 a.m. N/A 1.2 ppb (2) 14.7 ppb (14) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.28 ppb (4) 45.0 μg/m3 (42) 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2021, 8 a.m. N/A 0.3 ppb (1) 8.6 ppb (9) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.25 ppb (3) 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Sept. 11, 2021, 7 a.m. N/A 1.0 ppb (1) 13.0 ppb (13) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.28 ppb (4) 47.0 μg/m3 (44) 17.0 μg/m3 (62) 62.0
 
Sept. 11, 2021, 6 a.m. N/A 0.8 ppb (1) 17.5 ppb (17) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.33 ppb (4) 47.0 μg/m3 (44) 10.0 μg/m3 (42) 44.0
 
Sept. 11, 2021, 5 a.m. N/A 0.4 ppb (1) 10.3 ppb (10) N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.42 ppb (5) 47.0 μg/m3 (44) 9.0 μg/m3 (38) 44.0
 
Sept. 11, 2021, 4 a.m. N/A 2.0 ppb (2) 30.4 ppb (29) N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.47 ppb (6) 62.0 μg/m3 (55) 19.0 μg/m3 (66) 66.0
 
Sept. 11, 2021, 3 a.m. N/A 1.4 ppb (2) 19.7 ppb (19) N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.44 ppb (5) 59.0 μg/m3 (53) 15.0 μg/m3 (58) 58.0
 
Sept. 11, 2021, 2 a.m. N/A 0.3 ppb (1) 16.1 ppb (16) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.38 ppb (5) 62.0 μg/m3 (55) 11.0 μg/m3 (46) 55.0
 
Sept. 11, 2021, 1 a.m. N/A 0.0 ppb (0) 10.7 ppb (11) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.35 ppb (4) 59.0 μg/m3 (53) 18.0 μg/m3 (64) 64.0
 
Sept. 11, 2021, midnight N/A 0.1 ppb (1) 8.0 ppb (8) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.33 ppb (4) 67.0 μg/m3 (57) 12.0 μg/m3 (50) 57.0
 
Sept. 10, 2021, 11 p.m. N/A 0.5 ppb (1) 6.7 ppb (7) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.25 ppb (3) 66.0 μg/m3 (57) 13.0 μg/m3 (53) 57.0
 
Sept. 10, 2021, 10 p.m. N/A 0.4 ppb (1) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.25 ppb (3) 58.0 μg/m3 (53) 13.0 μg/m3 (53) 53.0
 
Sept. 10, 2021, 9 p.m. N/A 0.8 ppb (1) 6.1 ppb (6) N/A N/A 1.0 ppb (2) 53.0 ppb (50) 0.26 ppb (4) 66.0 μg/m3 (57) 13.0 μg/m3 (53) 57.0
 
Sept. 10, 2021, 8 p.m. N/A 0.8 ppb (1) 5.8 ppb (6) N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.26 ppb (4) 54.0 μg/m3 (50) 10.0 μg/m3 (42) 50.0
 
Sept. 10, 2021, 7 p.m. N/A 0.8 ppb (1) 5.2 ppb (5) N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.25 ppb (3) 49.0 μg/m3 (46) 11.0 μg/m3 (46) 46.0
 
Sept. 10, 2021, 6 p.m. N/A 1.7 ppb (2) 8.3 ppb (8) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.28 ppb (4) 56.0 μg/m3 (52) 17.0 μg/m3 (62) 62.0
 
Sept. 10, 2021, 5 p.m. N/A 2.8 ppb (3) 10.9 ppb (11) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.25 ppb (3) 53.0 μg/m3 (50) 16.0 μg/m3 (60) 60.0
 
Sept. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.27 ppb (4) 52.0 μg/m3 (49) 21.0 μg/m3 (70) 70.0
 
Sept. 10, 2021, 3 p.m. N/A 3.1 ppb (3) 9.2 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.2 ppb (3) 45.0 μg/m3 (42) 18.0 μg/m3 (64) 64.0
 
Sept. 10, 2021, 2 p.m. N/A 2.9 ppb (3) 8.4 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.22 ppb (3) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
Sept. 10, 2021, 1 p.m. N/A 2.3 ppb (3) 8.9 ppb (9) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.23 ppb (3) 35.0 μg/m3 (33) 6.0 μg/m3 (25) 33.0
 
Sept. 10, 2021, noon N/A 0.9 ppb (1) 10.1 ppb (10) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.23 ppb (3) 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Sept. 10, 2021, 11 a.m. N/A 0.1 ppb (1) 6.7 ppb (7) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.2 ppb (3) 25.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Sept. 10, 2021, 10 a.m. N/A 0.1 ppb (1) 4.0 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.15 ppb (2) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Sept. 10, 2021, 9 a.m. N/A 0.1 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.14 ppb (2) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 24.0
 
Sept. 10, 2021, 8 a.m. N/A 0.2 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.14 ppb (2) 26.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
Sept. 10, 2021, 7 a.m. N/A 0.0 ppb (0) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.15 ppb (2) 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
Sept. 10, 2021, 6 a.m. N/A 0.0 ppb (0) 3.1 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.15 ppb (2) 30.0 μg/m3 (28) 8.0 μg/m3 (34) 34.0
 
Sept. 10, 2021, 5 a.m. N/A 0.1 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.15 ppb (2) 29.0 μg/m3 (27) 8.0 μg/m3 (34) 34.0
 
Sept. 10, 2021, 4 a.m. N/A 0.0 ppb (0) 5.0 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Sept. 10, 2021, 3 a.m. N/A 0.1 ppb (1) 6.3 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.18 ppb (3) 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
Sept. 10, 2021, 2 a.m. N/A 0.6 ppb (1) 10.7 ppb (11) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.21 ppb (3) 33.0 μg/m3 (31) 5.0 μg/m3 (21) 31.0
 
Sept. 10, 2021, 1 a.m. N/A 0.0 ppb (0) 10.1 ppb (10) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.26 ppb (4) 41.0 μg/m3 (38) 6.0 μg/m3 (25) 38.0
 
Sept. 10, 2021, midnight N/A 0.6 ppb (1) 7.2 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.26 ppb (4) 28.0 μg/m3 (26) 7.0 μg/m3 (30) 31.0
 
Sept. 9, 2021, 11 p.m. N/A 0.6 ppb (1) 3.4 ppb (4) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.17 ppb (3) 35.0 μg/m3 (33) 5.0 μg/m3 (21) 37.0
 
Sept. 9, 2021, 10 p.m. N/A 0.8 ppb (1) 2.7 ppb (3) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.15 ppb (2) 30.0 μg/m3 (28) 5.0 μg/m3 (21) 39.0
 
Sept. 9, 2021, 9 p.m. N/A 0.5 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.14 ppb (2) 26.0 μg/m3 (25) 5.0 μg/m3 (21) 38.0
 
Sept. 9, 2021, 8 p.m. N/A 1.8 ppb (2) 6.1 ppb (6) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 29.0 μg/m3 (27) 5.0 μg/m3 (21) 35.0
 
Sept. 9, 2021, 7 p.m. N/A 2.6 ppb (3) 8.9 ppb (9) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.14 ppb (2) 32.0 μg/m3 (30) 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 6 p.m. N/A 1.5 ppb (2) 5.8 ppb (6) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.14 ppb (2) 25.0 μg/m3 (24) 7.0 μg/m3 (30) 35.0
 
Sept. 9, 2021, 5 p.m. N/A 1.1 ppb (2) 4.2 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.14 ppb (2) 27.0 μg/m3 (25) 3.0 μg/m3 (13) 33.0
 
Sept. 9, 2021, 4 p.m. N/A 3.9 ppb (4) 10.3 ppb (10) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.17 ppb (3) 29.0 μg/m3 (27) 2.0 μg/m3 (9) 27.0
 
Sept. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.19 ppb (3) 38.0 μg/m3 (36) 4.0 μg/m3 (17) 36.0
 
Sept. 9, 2021, 2 p.m. N/A 11.7 ppb (12) 25.7 ppb (25) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.31 ppb (4) 54.0 μg/m3 (50) 8.0 μg/m3 (34) 50.0
 
Sept. 9, 2021, 1 p.m. N/A 31.0 ppb (30) 45.1 ppb (43) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.65 ppb (8) 57.0 μg/m3 (52) 10.0 μg/m3 (42) 52.0
 
Sept. 9, 2021, noon N/A 14.2 ppb (14) 30.7 ppb (29) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.42 ppb (5) 38.0 μg/m3 (36) 6.0 μg/m3 (25) 36.0
 
Sept. 9, 2021, 11 a.m. N/A 3.0 ppb (3) 15.2 ppb (15) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.34 ppb (4) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Sept. 9, 2021, 10 a.m. N/A 0.0 ppb (0) 5.9 ppb (6) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.16 ppb (3) 24.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2021, 9 a.m. N/A 0.0 ppb (0) 6.6 ppb (7) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.15 ppb (2) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
Sept. 9, 2021, 8 a.m. N/A 0.0 ppb (0) 5.4 ppb (6) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.15 ppb (2) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 7 a.m. N/A 0.0 ppb (0) 6.4 ppb (7) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.18 ppb (3) 36.0 μg/m3 (34) 10.0 μg/m3 (42) 42.0
 
Sept. 9, 2021, 6 a.m. N/A 0.0 ppb (0) 7.2 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.19 ppb (3) 33.0 μg/m3 (31) 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 5 a.m. N/A 0.0 ppb (0) 4.7 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
Sept. 9, 2021, 4 a.m. N/A 0.0 ppb (0) 4.7 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.15 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
Sept. 9, 2021, 3 a.m. N/A 0.0 ppb (0) 2.9 ppb (3) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 28.0 μg/m3 (26) 8.0 μg/m3 (34) 34.0
 
Sept. 9, 2021, 2 a.m. N/A 0.0 ppb (0) 3.3 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.17 ppb (3) 31.0 μg/m3 (29) 5.0 μg/m3 (21) 35.0
 
Sept. 9, 2021, 1 a.m. N/A 0.0 ppb (0) 5.1 ppb (5) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 35.0 μg/m3 (33) 7.0 μg/m3 (30) 36.0
 
Sept. 9, 2021, midnight N/A 0.1 ppb (1) 3.5 ppb (4) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.17 ppb (3) 35.0 μg/m3 (33) 8.0 μg/m3 (34) 38.0
 
Sept. 8, 2021, 11 p.m. N/A 0.2 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.13 ppb (2) 32.0 μg/m3 (30) 8.0 μg/m3 (34) 42.0
 
Sept. 8, 2021, 10 p.m. N/A 0.3 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.13 ppb (2) 31.0 μg/m3 (29) 6.0 μg/m3 (25) 43.0
 
Sept. 8, 2021, 9 p.m. N/A 0.5 ppb (1) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.13 ppb (2) 32.0 μg/m3 (30) 6.0 μg/m3 (25) 43.0
 
Sept. 8, 2021, 8 p.m. N/A 0.4 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.13 ppb (2) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 42.0
 
Sept. 8, 2021, 7 p.m. N/A 0.3 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.12 ppb (2) 31.0 μg/m3 (29) 1.0 μg/m3 (5) 41.0