AQSQID: 490353013

Site Name: Herriman #3

Location: Herriman, UT

Reporting: True, Located: True

Current AQI: 32.0

Herriman UT, US: 40.496408, -112.036305

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 15, 2019, noon 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Sept. 15, 2019, 10 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
Sept. 15, 2019, 9 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 3.9 μg/m3 (16) 28.0
 
Sept. 15, 2019, 8 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A N/A 3.7 μg/m3 (15) 28.0
 
Sept. 15, 2019, 7 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
Sept. 15, 2019, 6 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
Sept. 15, 2019, 5 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 3.5 μg/m3 (15) 32.0
 
Sept. 15, 2019, 4 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A 3.0 μg/m3 (12) 32.0
 
Sept. 15, 2019, 3 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 3.6 μg/m3 (15) 29.0
 
Sept. 15, 2019, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 4.4 μg/m3 (18) 28.0
 
Sept. 15, 2019, 1 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 4.3 μg/m3 (18) 34.0
 
Sept. 15, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 3.6 μg/m3 (15) 38.0
 
Sept. 14, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 3.9 μg/m3 (16) 40.0
 
Sept. 14, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 4.1 μg/m3 (17) 41.0
 
Sept. 14, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 4.4 μg/m3 (18) 41.0
 
Sept. 14, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 4.9 μg/m3 (20) 42.0
 
Sept. 14, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
Sept. 14, 2019, 6 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (39) N/A N/A 5.3 μg/m3 (22) 39.0
 
Sept. 14, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 5.5 μg/m3 (23) 38.0
 
Sept. 14, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 5.2 μg/m3 (22) 35.0
 
Sept. 14, 2019, 3 p.m. 6.0 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 5.4 μg/m3 (23) 30.0
 
Sept. 14, 2019, 2 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Sept. 14, 2019, 1 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A 5.8 μg/m3 (24) 27.0
 
Sept. 14, 2019, noon 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 4.7 μg/m3 (20) 28.0
 
Sept. 14, 2019, 11 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2019, 10 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
Sept. 14, 2019, 9 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A 5.1 μg/m3 (21) 30.0
 
Sept. 14, 2019, 8 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A N/A 4.6 μg/m3 (19) 31.0
 
Sept. 14, 2019, 7 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
Sept. 14, 2019, 6 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
Sept. 14, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 3.6 μg/m3 (15) 30.0
 
Sept. 14, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A 3.3 μg/m3 (14) 31.0
 
Sept. 14, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
Sept. 14, 2019, 2 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A 3.8 μg/m3 (16) 28.0
 
Sept. 14, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A 3.9 μg/m3 (16) 32.0
 
Sept. 14, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) N/A N/A 3.2 μg/m3 (13) 42.0
 
Sept. 13, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) N/A N/A 3.1 μg/m3 (13) 43.0
 
Sept. 13, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 3.1 μg/m3 (13) 42.0
 
Sept. 13, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A 3.2 μg/m3 (13) 41.0
 
Sept. 13, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 3.0 μg/m3 (12) 40.0
 
Sept. 13, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 3.1 μg/m3 (13) 38.0
 
Sept. 13, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 3.6 μg/m3 (15) 38.0
 
Sept. 13, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 3.9 μg/m3 (16) 38.0
 
Sept. 13, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 4.9 μg/m3 (20) 36.0
 
Sept. 13, 2019, 3 p.m. 12.0 ppb (11) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) N/A N/A 5.8 μg/m3 (24) 28.0
 
Sept. 13, 2019, 2 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A 4.6 μg/m3 (19) 29.0
 
Sept. 13, 2019, 1 p.m. 11.0 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Sept. 13, 2019, noon 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 31.0 ppb (24) N/A N/A 3.5 μg/m3 (15) 24.0
 
Sept. 13, 2019, 11 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A N/A 3.3 μg/m3 (14) 26.0
 
Sept. 13, 2019, 10 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Sept. 13, 2019, 9 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Sept. 13, 2019, 8 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A 2.9 μg/m3 (12) 29.0
 
Sept. 13, 2019, 7 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
Sept. 13, 2019, 6 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
Sept. 13, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A 5.8 μg/m3 (24) 28.0
 
Sept. 13, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
Sept. 13, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A 5.6 μg/m3 (23) 28.0
 
Sept. 13, 2019, 2 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A 5.8 μg/m3 (24) 27.0
 
Sept. 13, 2019, 1 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 49.0 ppb (38) N/A N/A 6.1 μg/m3 (25) 38.0
 
Sept. 13, 2019, midnight 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 59.0 ppb (45) N/A N/A 6.5 μg/m3 (27) 45.0
 
Sept. 12, 2019, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) N/A N/A 6.9 μg/m3 (29) 46.0
 
Sept. 12, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 58.0 ppb (45) N/A N/A 7.1 μg/m3 (30) 45.0
 
Sept. 12, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 7.0 μg/m3 (29) 42.0
 
Sept. 12, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 7.5 μg/m3 (31) 40.0
 
Sept. 12, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 7.7 μg/m3 (32) 37.0
 
Sept. 12, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 12, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) N/A N/A 8.0 μg/m3 (33) 35.0
 
Sept. 12, 2019, 4 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 12, 2019, 3 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 12, 2019, 2 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 12, 2019, 1 p.m. 13.0 ppb (12) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 21.0 ppb (16) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 12, 2019, noon 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 12, 2019, 11 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 12, 2019, 10 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 12, 2019, 9 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 12, 2019, 8 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 12, 2019, 7 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 12, 2019, 6 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 12, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (21) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 4 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 12, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 12, 2019, 2 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 12, 2019, 1 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 12, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 11, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 11, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 51.0 ppb (39) N/A N/A 7.9 μg/m3 (33) 39.0
 
Sept. 11, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 6.2 μg/m3 (26) 38.0
 
Sept. 11, 2019, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (37) N/A N/A 7.3 μg/m3 (30) 37.0
 
Sept. 11, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 50.0 ppb (38) N/A N/A 7.4 μg/m3 (31) 38.0
 
Sept. 11, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 3.3 μg/m3 (14) 39.0
 
Sept. 11, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A -0.6 μg/m3 (0) 35.0
 
Sept. 11, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A -0.9 μg/m3 (0) 35.0
 
Sept. 11, 2019, 3 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A -1.6 μg/m3 (0) 36.0
 
Sept. 11, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A -1.7 μg/m3 (0) 36.0
 
Sept. 11, 2019, 1 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A -1.2 μg/m3 (0) 38.0
 
Sept. 11, 2019, noon 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A -0.1 μg/m3 (0) 38.0
 
Sept. 11, 2019, 11 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 4.5 μg/m3 (19) 36.0
 
Sept. 11, 2019, 10 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
Sept. 11, 2019, 9 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 7.3 μg/m3 (30) 38.0
 
Sept. 11, 2019, 8 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 3.5 μg/m3 (15) 38.0
 
Sept. 11, 2019, 7 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A N/A 6.5 μg/m3 (27) 35.0
 
Sept. 11, 2019, 6 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 39.0 ppb (30) N/A N/A 6.5 μg/m3 (27) 30.0
 
Sept. 11, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A 5.9 μg/m3 (25) 36.0
 
Sept. 11, 2019, 4 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) N/A N/A 6.2 μg/m3 (26) 28.0
 
Sept. 11, 2019, 3 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 11, 2019, 2 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 42.0 ppb (32) N/A N/A 6.4 μg/m3 (27) 32.0
 
Sept. 11, 2019, 1 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 42.0 ppb (32) N/A N/A 6.8 μg/m3 (28) 32.0
 
Sept. 11, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 5.2 μg/m3 (22) 42.0
 
Sept. 10, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 58.0 ppb (45) N/A N/A 4.4 μg/m3 (18) 45.0
 
Sept. 10, 2019, 10 p.m. 1.0 ppb (1) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 5.8 μg/m3 (24) 43.0
 
Sept. 10, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 6.5 μg/m3 (27) 40.0
 
Sept. 10, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A 6.2 μg/m3 (26) 38.0
 
Sept. 10, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 9.5 μg/m3 (40) 41.0
 
Sept. 10, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 8.7 μg/m3 (36) 42.0
 
Sept. 10, 2019, 5 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 53.0 ppb (41) N/A N/A 6.2 μg/m3 (26) 41.0
 
Sept. 10, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.8 μg/m3 (20) 40.0
 
Sept. 10, 2019, 3 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 3.3 μg/m3 (14) 42.0
 
Sept. 10, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 3.4 μg/m3 (14) 44.0
 
Sept. 10, 2019, 1 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) N/A N/A 4.2 μg/m3 (18) 42.0
 
Sept. 10, 2019, noon 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Sept. 10, 2019, 11 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 4.6 μg/m3 (19) 40.0
 
Sept. 10, 2019, 10 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 4.8 μg/m3 (20) 42.0
 
Sept. 10, 2019, 9 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 56.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
Sept. 10, 2019, 8 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 8.0 μg/m3 (33) 44.0
 
Sept. 10, 2019, 7 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 10, 2019, 6 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 10, 2019, 5 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 10, 2019, 4 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 10, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) N/A N/A 20.6 μg/m3 (68) 68.0
 
Sept. 10, 2019, 2 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (38) N/A N/A 21.6 μg/m3 (70) 70.0
 
Sept. 10, 2019, 1 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 66.0 ppb (51) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 10, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 66.0 ppb (51) N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 9, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 63.0 ppb (48) N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 9, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 20.8 μg/m3 (69) 69.0
 
Sept. 9, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) N/A N/A 22.9 μg/m3 (73) 73.0
 
Sept. 9, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) N/A N/A 24.0 μg/m3 (76) 76.0
 
Sept. 9, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 57.0 ppb (44) N/A N/A 20.7 μg/m3 (69) 69.0
 
Sept. 9, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 9, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) N/A N/A 19.6 μg/m3 (66) 66.0
 
Sept. 9, 2019, 4 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 19.3 μg/m3 (66) 66.0
 
Sept. 9, 2019, 3 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A 18.0 μg/m3 (63) 63.0
 
Sept. 9, 2019, 2 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 9, 2019, 1 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A 17.3 μg/m3 (61) 61.0
 
Sept. 9, 2019, noon 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 19.4 μg/m3 (66) 66.0
 
Sept. 9, 2019, 10 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 33.0 ppb (25) N/A N/A 18.6 μg/m3 (64) 64.0
 
Sept. 9, 2019, 9 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A 17.5 μg/m3 (62) 62.0
 
Sept. 9, 2019, 8 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 30.0 ppb (23) N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 9, 2019, 7 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 9, 2019, 6 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 9, 2019, 5 a.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 9, 2019, 4 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 9, 2019, 3 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 9, 2019, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 49.0 ppb (38) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 9, 2019, 1 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 8.5 μg/m3 (35) 42.0
 
Sept. 9, 2019, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) N/A N/A 8.6 μg/m3 (36) 43.0
 
Sept. 8, 2019, 11 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 8, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 53.0 ppb (41) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 8, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) N/A N/A 16.2 μg/m3 (59) 59.0
 
Sept. 8, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 62.0 ppb (48) N/A N/A 5.0 μg/m3 (21) 48.0
 
Sept. 8, 2019, 7 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 57.0 ppb (44) N/A N/A 4.2 μg/m3 (18) 44.0
 
Sept. 8, 2019, 6 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (41) N/A N/A 3.7 μg/m3 (15) 41.0
 
Sept. 8, 2019, 5 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) N/A N/A 3.0 μg/m3 (12) 42.0
 
Sept. 8, 2019, 4 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (40) N/A N/A 3.1 μg/m3 (13) 40.0
 
Sept. 8, 2019, 3 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A 4.7 μg/m3 (20) 38.0
 
Sept. 8, 2019, 2 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A 4.1 μg/m3 (17) 38.0
 
Sept. 8, 2019, 1 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A 6.9 μg/m3 (29) 35.0