AQSQID: 490050007

Site Name: Smithfield

Location: Smithfield, UT

Reporting: True, Located: True

Current AQI: 45.0

Smithfield UT, US: 41.842778, -111.85194

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 19, 2019, 8 a.m. 8.6 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
Nov. 19, 2019, 7 a.m. 12.2 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Nov. 19, 2019, 6 a.m. 17.6 ppb (16) 0.8 ppb (1) N/A 17.0 ppb (16) N/A N/A 14.0 ppb (11) N/A 23.0 μg/m3 (21) 12.3 μg/m3 (51) 51.0
 
Nov. 19, 2019, 5 a.m. 12.7 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) 13.6 μg/m3 (53) 53.0
 
Nov. 19, 2019, 4 a.m. 9.7 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
Nov. 19, 2019, 3 a.m. 25.5 ppb (24) 2.2 ppb (2) N/A 24.0 ppb (22) N/A N/A 14.0 ppb (11) N/A 13.0 μg/m3 (12) 5.6 μg/m3 (23) 24.0
 
Nov. 19, 2019, 2 a.m. 26.5 ppb (25) 3.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 17.0 ppb (13) N/A 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
Nov. 19, 2019, 1 a.m. 28.1 ppb (26) 2.5 ppb (2) N/A 26.0 ppb (24) N/A N/A 17.0 ppb (13) N/A 28.0 μg/m3 (25) 10.4 μg/m3 (43) 43.0
 
Nov. 19, 2019, midnight 13.0 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
Nov. 18, 2019, 11 p.m. 11.3 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) N/A 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
Nov. 18, 2019, 10 p.m. 11.5 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A 21.0 μg/m3 (19) 11.9 μg/m3 (50) 50.0
 
Nov. 18, 2019, 9 p.m. 8.1 ppb (8) 1.7 ppb (2) N/A 7.0 ppb (6) N/A N/A 41.0 ppb (32) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 32.0
 
Nov. 18, 2019, 8 p.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 34.0
 
Nov. 18, 2019, 7 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 7.0 μg/m3 (6) 2.4 μg/m3 (10) 33.0
 
Nov. 18, 2019, 6 p.m. 6.4 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 1.8 μg/m3 (8) 31.0
 
Nov. 18, 2019, 5 p.m. 10.5 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 6.3 μg/m3 (26) 26.0
 
Nov. 18, 2019, 4 p.m. 20.5 ppb (19) 8.6 ppb (8) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 7.5 μg/m3 (31) 31.0
 
Nov. 18, 2019, 3 p.m. 14.4 ppb (13) 4.1 ppb (4) N/A 11.0 ppb (10) N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Nov. 18, 2019, 2 p.m. 11.9 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 7.8 μg/m3 (32) 32.0
 
Nov. 18, 2019, 1 p.m. 9.7 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, noon 7.8 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 14.0 ppb (11) N/A 13.0 μg/m3 (12) 8.5 μg/m3 (35) 35.0
 
Nov. 18, 2019, 11 a.m. 8.1 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Nov. 18, 2019, 10 a.m. 8.0 ppb (7) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 13.0 ppb (10) N/A 12.0 μg/m3 (11) 8.2 μg/m3 (34) 34.0
 
Nov. 18, 2019, 9 a.m. 9.0 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 13.0 ppb (10) N/A 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Nov. 18, 2019, 8 a.m. 14.0 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Nov. 18, 2019, 7 a.m. 12.9 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 22.0
 
Nov. 18, 2019, 6 a.m. 9.2 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) N/A 6.0 μg/m3 (5) 3.3 μg/m3 (14) 21.0
 
Nov. 18, 2019, 5 a.m. 7.0 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 5.1 μg/m3 (21) 25.0
 
Nov. 18, 2019, 4 a.m. 11.3 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Nov. 18, 2019, 3 a.m. 16.2 ppb (15) 0.7 ppb (1) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) N/A 14.0 μg/m3 (13) 4.6 μg/m3 (19) 19.0
 
Nov. 18, 2019, 2 a.m. 7.6 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) 4.9 μg/m3 (20) 23.0
 
Nov. 18, 2019, 1 a.m. 4.8 ppb (4) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (19) 26.0
 
Nov. 18, 2019, midnight 3.6 ppb (3) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 32.0
 
Nov. 17, 2019, 11 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 3.4 μg/m3 (14) 33.0
 
Nov. 17, 2019, 10 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 2.7 μg/m3 (11) 34.0
 
Nov. 17, 2019, 9 p.m. 2.5 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) 3.1 μg/m3 (13) 35.0
 
Nov. 17, 2019, 8 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 34.0
 
Nov. 17, 2019, 7 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 31.0
 
Nov. 17, 2019, 6 p.m. 3.6 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 29.0
 
Nov. 17, 2019, 5 p.m. 4.7 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 4.7 μg/m3 (20) 22.0
 
Nov. 17, 2019, 4 p.m. 8.7 ppb (8) 3.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Nov. 17, 2019, 3 p.m. 14.8 ppb (14) 6.9 ppb (6) N/A 8.0 ppb (7) N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 8.6 μg/m3 (36) 36.0
 
Nov. 17, 2019, 2 p.m. 16.4 ppb (15) 3.9 ppb (4) N/A 13.0 ppb (12) N/A N/A 10.0 ppb (8) N/A 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
Nov. 17, 2019, 1 p.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 10.0 ppb (8) N/A 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
Nov. 17, 2019, noon 9.3 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
Nov. 17, 2019, 11 a.m. 9.6 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A N/A 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
Nov. 17, 2019, 10 a.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Nov. 17, 2019, 9 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 2.2 μg/m3 (9) 18.0
 
Nov. 17, 2019, 8 a.m. 3.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 5.1 μg/m3 (21) 21.0
 
Nov. 17, 2019, 7 a.m. 5.0 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 6 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Nov. 17, 2019, 5 a.m. 12.5 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 7.3 μg/m3 (30) 30.0
 
Nov. 17, 2019, 4 a.m. 13.0 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Nov. 17, 2019, 3 a.m. 11.5 ppb (11) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
Nov. 17, 2019, 2 a.m. 10.0 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 2.5 μg/m3 (10) 21.0
 
Nov. 17, 2019, 1 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A 20.0 μg/m3 (18) 4.1 μg/m3 (17) 24.0
 
Nov. 17, 2019, midnight 4.8 ppb (4) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 1.9 μg/m3 (8) 25.0
 
Nov. 16, 2019, 11 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A 9.0 μg/m3 (8) 2.8 μg/m3 (12) 31.0
 
Nov. 16, 2019, 10 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) 1.6 μg/m3 (7) 35.0
 
Nov. 16, 2019, 9 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A 8.0 μg/m3 (7) 4.1 μg/m3 (17) 38.0
 
Nov. 16, 2019, 8 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A 8.0 μg/m3 (7) 4.5 μg/m3 (19) 38.0
 
Nov. 16, 2019, 7 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 37.0
 
Nov. 16, 2019, 6 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 2.7 μg/m3 (11) 37.0
 
Nov. 16, 2019, 5 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) 2.6 μg/m3 (11) 35.0
 
Nov. 16, 2019, 4 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A 7.0 μg/m3 (6) 2.7 μg/m3 (11) 30.0
 
Nov. 16, 2019, 3 p.m. 6.7 ppb (6) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 4.8 μg/m3 (20) 21.0
 
Nov. 16, 2019, 2 p.m. 9.9 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 5.7 μg/m3 (24) 24.0
 
Nov. 16, 2019, 1 p.m. 11.6 ppb (11) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
Nov. 16, 2019, noon 10.1 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 5.6 μg/m3 (23) 23.0
 
Nov. 16, 2019, 10 a.m. 9.0 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
Nov. 16, 2019, 9 a.m. 6.3 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
Nov. 16, 2019, 8 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
Nov. 16, 2019, 7 a.m. 13.7 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
Nov. 16, 2019, 6 a.m. 13.3 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
Nov. 16, 2019, 5 a.m. 16.4 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) N/A 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
Nov. 16, 2019, 4 a.m. 8.9 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
Nov. 16, 2019, 3 a.m. 8.3 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Nov. 16, 2019, 2 a.m. 6.9 ppb (6) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
Nov. 16, 2019, 1 a.m. 11.3 ppb (10) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 5.4 μg/m3 (23) 23.0
 
Nov. 16, 2019, midnight 11.9 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A N/A 29.0 ppb (22) N/A 15.0 μg/m3 (14) 3.8 μg/m3 (16) 22.0
 
Nov. 15, 2019, 11 p.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 0.0 μg/m3 (0) 27.0
 
Nov. 15, 2019, 10 p.m. 6.1 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A 10.0 μg/m3 (9) -0.2 μg/m3 (0) 32.0
 
Nov. 15, 2019, 9 p.m. 5.7 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 32.0
 
Nov. 15, 2019, 8 p.m. 5.7 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 5.3 μg/m3 (22) 30.0
 
Nov. 15, 2019, 7 p.m. 7.0 ppb (6) 2.3 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
Nov. 15, 2019, 6 p.m. 6.4 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) N/A 21.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
Nov. 15, 2019, 5 p.m. 8.9 ppb (8) 3.5 ppb (3) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 4 p.m. 15.2 ppb (14) 7.9 ppb (7) N/A 8.0 ppb (7) N/A N/A 18.0 ppb (14) N/A 17.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Nov. 15, 2019, 3 p.m. 21.8 ppb (20) 13.2 ppb (12) N/A 9.0 ppb (8) N/A N/A 7.0 ppb (5) N/A 19.0 μg/m3 (17) 7.4 μg/m3 (31) 31.0
 
Nov. 15, 2019, 2 p.m. 26.1 ppb (24) 13.4 ppb (12) N/A 13.0 ppb (12) N/A N/A 4.0 ppb (3) N/A 17.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
Nov. 15, 2019, 1 p.m. 25.5 ppb (24) 8.1 ppb (8) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
Nov. 15, 2019, noon 16.6 ppb (15) 2.3 ppb (2) N/A 15.0 ppb (14) N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Nov. 15, 2019, 10 a.m. 12.8 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 9.0 ppb (7) N/A 12.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
Nov. 15, 2019, 9 a.m. 19.9 ppb (18) 1.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 6.0 ppb (5) N/A 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Nov. 15, 2019, 8 a.m. 18.4 ppb (17) 1.2 ppb (1) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 4.3 μg/m3 (18) 18.0
 
Nov. 15, 2019, 7 a.m. 15.7 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
Nov. 15, 2019, 6 a.m. 8.9 ppb (8) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 16.0 ppb (12) N/A 20.0 μg/m3 (18) 8.7 μg/m3 (36) 36.0
 
Nov. 15, 2019, 5 a.m. 12.4 ppb (11) 0.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) N/A 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 4 a.m. 20.6 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) N/A 17.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Nov. 15, 2019, 3 a.m. 24.1 ppb (22) 2.8 ppb (3) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Nov. 15, 2019, 2 a.m. 31.2 ppb (29) 3.8 ppb (4) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) N/A 37.0 μg/m3 (34) 9.5 μg/m3 (40) 40.0
 
Nov. 15, 2019, 1 a.m. 28.9 ppb (27) 2.2 ppb (2) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) N/A 28.0 μg/m3 (25) 8.2 μg/m3 (34) 34.0
 
Nov. 15, 2019, midnight 11.0 ppb (10) 0.7 ppb (1) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) N/A 19.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
Nov. 14, 2019, 11 p.m. 7.4 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 24.0
 
Nov. 14, 2019, 10 p.m. 3.7 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 36.0 ppb (28) N/A 24.0 μg/m3 (22) 4.8 μg/m3 (20) 28.0
 
Nov. 14, 2019, 9 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A 8.0 μg/m3 (7) 2.9 μg/m3 (12) 29.0
 
Nov. 14, 2019, 8 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 37.0 ppb (28) N/A 8.0 μg/m3 (7) 3.3 μg/m3 (14) 28.0
 
Nov. 14, 2019, 7 p.m. 3.8 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 27.0
 
Nov. 14, 2019, 6 p.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) N/A 11.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Nov. 14, 2019, 5 p.m. 3.5 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 22.0
 
Nov. 14, 2019, 4 p.m. 5.9 ppb (5) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 5.8 μg/m3 (24) 24.0
 
Nov. 14, 2019, 3 p.m. 17.3 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 6.1 μg/m3 (25) 25.0
 
Nov. 14, 2019, 2 p.m. 32.2 ppb (30) 15.8 ppb (15) N/A 17.0 ppb (16) N/A N/A 8.0 ppb (6) N/A 10.0 μg/m3 (9) 5.3 μg/m3 (22) 30.0
 
Nov. 14, 2019, 1 p.m. 11.2 ppb (10) 1.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 15.0
 
Nov. 14, 2019, noon 12.4 ppb (11) 1.4 ppb (1) N/A 11.0 ppb (10) N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 6.2 μg/m3 (26) 26.0
 
Nov. 14, 2019, 11 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 6.3 μg/m3 (26) 26.0
 
Nov. 14, 2019, 10 a.m. 6.1 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
Nov. 14, 2019, 9 a.m. 7.2 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 16.0 ppb (12) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Nov. 14, 2019, 8 a.m. 4.7 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 21.0 ppb (16) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Nov. 14, 2019, 7 a.m. 7.6 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 19.0 ppb (15) N/A 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
Nov. 14, 2019, 6 a.m. 15.5 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Nov. 14, 2019, 5 a.m. 12.9 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Nov. 14, 2019, 4 a.m. 11.0 ppb (10) 0.6 ppb (1) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Nov. 14, 2019, 3 a.m. 10.9 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
Nov. 14, 2019, 2 a.m. 10.9 ppb (10) 0.5 ppb (0) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) N/A 21.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
Nov. 14, 2019, 1 a.m. 10.2 ppb (9) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
Nov. 14, 2019, midnight 7.7 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 9.8 μg/m3 (41) 41.0
 
Nov. 13, 2019, 11 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) 6.7 μg/m3 (28) 30.0
 
Nov. 13, 2019, 10 p.m. 3.3 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 32.0
 
Nov. 13, 2019, 9 p.m. 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 31.0
 
Nov. 13, 2019, 8 p.m. 4.2 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 5.8 μg/m3 (24) 30.0
 
Nov. 13, 2019, 7 p.m. 5.1 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A 19.0 μg/m3 (17) 11.2 μg/m3 (47) 47.0
 
Nov. 13, 2019, 6 p.m. 6.6 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
Nov. 13, 2019, 5 p.m. 9.8 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 29.0 ppb (22) N/A 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Nov. 13, 2019, 4 p.m. 21.6 ppb (20) 5.3 ppb (5) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 9.1 μg/m3 (38) 38.0
 
Nov. 13, 2019, 3 p.m. 27.6 ppb (26) 7.4 ppb (7) N/A 21.0 ppb (19) N/A N/A 19.0 ppb (15) N/A 23.0 μg/m3 (21) 10.8 μg/m3 (45) 45.0
 
Nov. 13, 2019, 2 p.m. 33.1 ppb (31) 6.7 ppb (6) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
Nov. 13, 2019, 1 p.m. 18.2 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
Nov. 13, 2019, noon 6.8 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
Nov. 13, 2019, 11 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 28.0
 
Nov. 13, 2019, 10 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
Nov. 13, 2019, 9 a.m. 5.8 ppb (5) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 7.0 μg/m3 (29) 29.0
 
Nov. 13, 2019, 8 a.m. 9.6 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 30.0 ppb (23) N/A 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
Nov. 13, 2019, 7 a.m. 26.9 ppb (25) 1.7 ppb (2) N/A 26.0 ppb (24) N/A N/A 10.0 ppb (8) N/A 20.0 μg/m3 (18) 7.9 μg/m3 (33) 33.0
 
Nov. 13, 2019, 6 a.m. 19.7 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 0.8 μg/m3 (3) 18.0
 
Nov. 13, 2019, 5 a.m. 12.9 ppb (12) 0.7 ppb (1) N/A 13.0 ppb (12) N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 22.0
 
Nov. 13, 2019, 4 a.m. 15.6 ppb (14) 0.7 ppb (1) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
Nov. 13, 2019, 3 a.m. 17.1 ppb (16) 1.1 ppb (1) N/A 16.0 ppb (15) N/A N/A 25.0 ppb (19) N/A 19.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
Nov. 13, 2019, 2 a.m. 22.0 ppb (20) 1.5 ppb (1) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) 8.9 μg/m3 (37) 37.0
 
Nov. 13, 2019, 1 a.m. 12.6 ppb (12) 0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) N/A 19.0 μg/m3 (17) 5.1 μg/m3 (21) 23.0
 
Nov. 13, 2019, midnight 10.3 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
Nov. 12, 2019, 11 p.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Nov. 12, 2019, 10 p.m. 4.5 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 8.6 μg/m3 (36) 36.0
 
Nov. 12, 2019, 9 p.m. 5.0 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A 12.0 μg/m3 (11) 6.5 μg/m3 (27) 32.0
 
Nov. 12, 2019, 8 p.m. 4.4 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) -1.4 μg/m3 (0) 31.0
 
Nov. 12, 2019, 7 p.m. 5.2 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 6.2 μg/m3 (26) 28.0
 
Nov. 12, 2019, 6 p.m. 6.5 ppb (6) 2.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 25.0
 
Nov. 12, 2019, 5 p.m. 8.3 ppb (8) 3.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 28.0 ppb (22) N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 22.0
 
Nov. 12, 2019, 4 p.m. 20.7 ppb (19) 11.8 ppb (11) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) N/A 20.0 μg/m3 (18) 6.1 μg/m3 (25) 25.0
 
Nov. 12, 2019, 3 p.m. 44.5 ppb (41) 27.0 ppb (25) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 41.0
 
Nov. 12, 2019, 2 p.m. 30.5 ppb (28) 13.2 ppb (12) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A 9.0 μg/m3 (8) 5.2 μg/m3 (22) 28.0
 
Nov. 12, 2019, 1 p.m. 5.9 ppb (5) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 11.0 ppb (8) N/A 6.0 μg/m3 (5) 3.3 μg/m3 (14) 14.0
 
Nov. 12, 2019, noon 13.7 ppb (13) 1.3 ppb (1) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) N/A 6.0 μg/m3 (5) 1.6 μg/m3 (7) 13.0
 
Nov. 12, 2019, 11 a.m. 6.9 ppb (6) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 3.2 μg/m3 (13) 14.0
 
Nov. 12, 2019, 10 a.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
Nov. 12, 2019, 9 a.m. 9.7 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0