AQSQID: 113490351007

Site Name: Ma

Location: Salt Lake Co, UT

Reporting: True, Located: True

Current AQI: 37.0

Salt Lake Co UT, US: 40.712064, -112.111122

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 18, 2019, 2 p.m. 35.6 ppb (33) 11.2 ppb (10) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 18, 2019, 1 p.m. 30.8 ppb (29) 4.4 ppb (4) N/A 27.0 ppb (25) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 18, 2019, noon 30.7 ppb (28) 7.3 ppb (7) N/A 24.0 ppb (22) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 10.8 μg/m3 (45) 45.0
 
Nov. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 18, 2019, 10 a.m. 21.0 ppb (19) 1.3 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 9.1 μg/m3 (38) 38.0
 
Nov. 18, 2019, 9 a.m. 19.7 ppb (18) 1.2 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, 8 a.m. 16.5 ppb (15) 1.1 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 18, 2019, 7 a.m. 17.7 ppb (16) 1.1 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 18, 2019, 6 a.m. 21.0 ppb (19) 1.8 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 18, 2019, 5 a.m. 23.7 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 18, 2019, 4 a.m. 21.7 ppb (20) 1.6 ppb (1) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 8.8 μg/m3 (37) 37.0
 
Nov. 18, 2019, 3 a.m. 28.6 ppb (26) 2.5 ppb (2) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 9.4 μg/m3 (39) 39.0
 
Nov. 18, 2019, 2 a.m. 30.6 ppb (28) 3.4 ppb (3) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 13.0 μg/m3 (52) 52.0
 
Nov. 18, 2019, 1 a.m. 14.8 ppb (14) 1.4 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 18, 2019, midnight 11.8 ppb (11) 0.7 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.4 μg/m3 (23) 23.0
 
Nov. 17, 2019, 11 p.m. 10.3 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 5.7 μg/m3 (24) 25.0
 
Nov. 17, 2019, 10 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 4.7 μg/m3 (20) 32.0
 
Nov. 17, 2019, 9 p.m. 6.2 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 5.9 μg/m3 (25) 32.0
 
Nov. 17, 2019, 8 p.m. 5.7 ppb (5) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 42.0 ppb (32) N/A N/A 5.4 μg/m3 (23) 32.0
 
Nov. 17, 2019, 7 p.m. 7.9 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 5.7 μg/m3 (24) 29.0
 
Nov. 17, 2019, 6 p.m. 9.9 ppb (9) 3.4 ppb (3) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 5.7 μg/m3 (24) 26.0
 
Nov. 17, 2019, 5 p.m. 9.2 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
Nov. 17, 2019, 4 p.m. 20.8 ppb (19) 7.5 ppb (7) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 17, 2019, 3 p.m. 28.7 ppb (27) 10.0 ppb (9) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 6.3 μg/m3 (26) 27.0
 
Nov. 17, 2019, 2 p.m. 26.9 ppb (25) 5.3 ppb (5) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 5.8 μg/m3 (24) 25.0
 
Nov. 17, 2019, 1 p.m. 20.7 ppb (19) 1.4 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 5.2 μg/m3 (22) 22.0
 
Nov. 17, 2019, noon 23.1 ppb (21) 1.5 ppb (1) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 5.1 μg/m3 (21) 21.0
 
Nov. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 4.6 μg/m3 (19) 19.0
 
Nov. 17, 2019, 10 a.m. 14.9 ppb (14) 1.4 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 4.3 μg/m3 (18) 18.0
 
Nov. 17, 2019, 9 a.m. 17.4 ppb (16) 1.2 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 5.2 μg/m3 (22) 22.0
 
Nov. 17, 2019, 8 a.m. 17.5 ppb (16) 1.7 ppb (2) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 5.3 μg/m3 (22) 22.0
 
Nov. 17, 2019, 7 a.m. 14.1 ppb (13) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 5.8 μg/m3 (24) 24.0
 
Nov. 17, 2019, 6 a.m. 11.6 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 3.9 μg/m3 (16) 18.0
 
Nov. 17, 2019, 5 a.m. 17.4 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 3.7 μg/m3 (15) 17.0
 
Nov. 17, 2019, 4 a.m. 19.9 ppb (18) 1.1 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 17, 2019, 3 a.m. 29.4 ppb (27) 3.4 ppb (3) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 5.1 μg/m3 (21) 27.0
 
Nov. 17, 2019, 2 a.m. 58.0 ppb (54) 17.5 ppb (16) N/A 41.0 ppb (38) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 9.5 μg/m3 (40) 54.0
 
Nov. 17, 2019, 1 a.m. 38.7 ppb (36) 11.4 ppb (11) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.3 μg/m3 (18) 36.0
 
Nov. 17, 2019, midnight 7.9 ppb (7) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 2.1 μg/m3 (9) 28.0
 
Nov. 16, 2019, 11 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 1.3 μg/m3 (5) 33.0
 
Nov. 16, 2019, 10 p.m. 2.3 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
Nov. 16, 2019, 9 p.m. 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
Nov. 16, 2019, 8 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 2.2 μg/m3 (9) 28.0
 
Nov. 16, 2019, 7 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 2.7 μg/m3 (11) 25.0
 
Nov. 16, 2019, 6 p.m. 3.3 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 2.7 μg/m3 (11) 26.0
 
Nov. 16, 2019, 5 p.m. 11.7 ppb (11) 3.6 ppb (3) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 16, 2019, 4 p.m. 16.1 ppb (15) 5.2 ppb (5) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 16, 2019, 3 p.m. 40.5 ppb (38) 20.1 ppb (19) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 16, 2019, 2 p.m. 30.3 ppb (28) 10.4 ppb (10) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 16, 2019, 1 p.m. 19.2 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 9.3 μg/m3 (39) 39.0
 
Nov. 16, 2019, noon 17.1 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 10.5 μg/m3 (44) 44.0
 
Nov. 16, 2019, 11 a.m. 16.1 ppb (15) 1.0 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Nov. 16, 2019, 10 a.m. 11.6 ppb (11) 0.7 ppb (1) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 10.9 μg/m3 (45) 45.0
 
Nov. 16, 2019, 9 a.m. 11.1 ppb (10) 0.8 ppb (1) N/A 11.0 ppb (10) N/A 3.0 ppb (4) 21.0 ppb (16) N/A N/A 7.9 μg/m3 (33) 33.0
 
Nov. 16, 2019, 8 a.m. 18.1 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 16, 2019, 7 a.m. 21.0 ppb (19) 1.8 ppb (2) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 10.0 ppb (8) N/A N/A 9.5 μg/m3 (40) 40.0
 
Nov. 16, 2019, 6 a.m. 17.7 ppb (16) 1.2 ppb (1) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 9.1 μg/m3 (38) 38.0
 
Nov. 16, 2019, 5 a.m. 13.8 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A 3.0 ppb (4) 20.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
Nov. 16, 2019, 4 a.m. 24.7 ppb (23) 2.6 ppb (2) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 3 a.m. 33.8 ppb (31) 5.8 ppb (5) N/A 28.0 ppb (26) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 16, 2019, 2 a.m. 31.3 ppb (29) 3.1 ppb (3) N/A 29.0 ppb (27) N/A 3.0 ppb (4) 7.0 ppb (5) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 16, 2019, 1 a.m. 23.7 ppb (22) 2.6 ppb (2) N/A 22.0 ppb (20) N/A 3.0 ppb (4) 13.0 ppb (10) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 16, 2019, midnight 20.8 ppb (19) 1.2 ppb (1) N/A 20.0 ppb (19) N/A 3.0 ppb (4) 16.0 ppb (12) N/A N/A 11.9 μg/m3 (50) 50.0
 
Nov. 15, 2019, 11 p.m. 19.7 ppb (18) 2.9 ppb (3) N/A 17.0 ppb (16) N/A 3.0 ppb (4) 16.0 ppb (12) N/A N/A 14.0 μg/m3 (54) 54.0
 
Nov. 15, 2019, 10 p.m. 13.8 ppb (13) 3.7 ppb (3) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 10.4 μg/m3 (43) 43.0
 
Nov. 15, 2019, 9 p.m. 8.1 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 5.9 μg/m3 (25) 28.0
 
Nov. 15, 2019, 8 p.m. 13.6 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 4.0 ppb (6) 27.0 ppb (21) N/A N/A 12.6 μg/m3 (51) 51.0
 
Nov. 15, 2019, 7 p.m. 12.9 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A 6.0 ppb (9) 28.0 ppb (22) N/A N/A 12.4 μg/m3 (51) 51.0
 
Nov. 15, 2019, 6 p.m. 16.5 ppb (15) 6.0 ppb (6) N/A 11.0 ppb (10) N/A 6.0 ppb (9) 24.0 ppb (18) N/A N/A 12.2 μg/m3 (50) 50.0
 
Nov. 15, 2019, 5 p.m. 36.8 ppb (34) 18.0 ppb (17) N/A 19.0 ppb (18) N/A 8.0 ppb (11) 14.0 ppb (11) N/A N/A 13.8 μg/m3 (54) 54.0
 
Nov. 15, 2019, 4 p.m. 22.0 ppb (20) 8.5 ppb (8) N/A 14.0 ppb (13) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 3 p.m. 55.2 ppb (51) 30.7 ppb (28) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 10.8 μg/m3 (45) 51.0
 
Nov. 15, 2019, 2 p.m. 35.4 ppb (33) 14.2 ppb (13) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 15, 2019, 1 p.m. 34.1 ppb (32) 8.6 ppb (8) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 15, 2019, noon 24.1 ppb (22) 5.4 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 8.8 μg/m3 (37) 37.0
 
Nov. 15, 2019, 11 a.m. 20.1 ppb (19) 2.2 ppb (2) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 15, 2019, 10 a.m. 18.2 ppb (17) 1.4 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 9.9 μg/m3 (41) 41.0
 
Nov. 15, 2019, 9 a.m. 20.5 ppb (19) 1.7 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 7.7 μg/m3 (32) 32.0
 
Nov. 15, 2019, 8 a.m. 12.8 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 8.1 μg/m3 (34) 34.0
 
Nov. 15, 2019, 7 a.m. 18.7 ppb (17) 1.7 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 12.3 μg/m3 (51) 51.0
 
Nov. 15, 2019, 6 a.m. 23.9 ppb (22) 2.3 ppb (2) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 15, 2019, 5 a.m. 23.2 ppb (21) 1.7 ppb (2) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 8.9 μg/m3 (37) 37.0
 
Nov. 15, 2019, 4 a.m. 27.8 ppb (26) 2.8 ppb (3) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 9.7 μg/m3 (40) 40.0
 
Nov. 15, 2019, 3 a.m. 33.4 ppb (31) 4.3 ppb (4) N/A 30.0 ppb (28) N/A 2.0 ppb (3) 4.0 ppb (3) N/A N/A 10.1 μg/m3 (42) 42.0
 
Nov. 15, 2019, 2 a.m. 35.0 ppb (32) 4.6 ppb (4) N/A 31.0 ppb (29) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 9.8 μg/m3 (41) 41.0
 
Nov. 15, 2019, 1 a.m. 39.2 ppb (36) 8.0 ppb (7) N/A 32.0 ppb (30) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 14.5 μg/m3 (55) 55.0
 
Nov. 15, 2019, midnight 36.8 ppb (34) 5.8 ppb (5) N/A 31.0 ppb (29) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 14, 2019, 11 p.m. 34.9 ppb (32) 6.3 ppb (6) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 14, 2019, 10 p.m. 19.5 ppb (18) 3.8 ppb (4) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 14, 2019, 9 p.m. 20.9 ppb (19) 5.6 ppb (5) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A 9.5 μg/m3 (40) 40.0
 
Nov. 14, 2019, 8 p.m. 22.1 ppb (20) 7.7 ppb (7) N/A 15.0 ppb (14) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 9.6 μg/m3 (40) 40.0
 
Nov. 14, 2019, 7 p.m. 38.4 ppb (36) 17.8 ppb (16) N/A 21.0 ppb (19) N/A 4.0 ppb (6) 17.0 ppb (13) N/A N/A 12.5 μg/m3 (51) 51.0
 
Nov. 14, 2019, 6 p.m. 33.5 ppb (31) 15.4 ppb (14) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 18.0 ppb (14) N/A N/A 11.2 μg/m3 (47) 47.0
 
Nov. 14, 2019, 5 p.m. 30.8 ppb (29) 12.9 ppb (12) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A N/A 29.0
 
Nov. 14, 2019, 4 p.m. 48.6 ppb (45) 26.3 ppb (24) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A N/A 45.0
 
Nov. 14, 2019, 3 p.m. 65.6 ppb (62) 40.0 ppb (37) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 10.7 μg/m3 (45) 62.0
 
Nov. 14, 2019, 2 p.m. 46.8 ppb (43) 21.0 ppb (19) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A N/A 43.0
 
Nov. 14, 2019, 1 p.m. 24.8 ppb (23) 5.1 ppb (5) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A N/A 23.0
 
Nov. 14, 2019, noon 30.7 ppb (28) 9.6 ppb (9) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A N/A 28.0
 
Nov. 14, 2019, 11 a.m. 18.6 ppb (17) 1.4 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A N/A 17.0
 
Nov. 14, 2019, 10 a.m. 15.0 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A N/A 14.0
 
Nov. 14, 2019, 9 a.m. 16.8 ppb (16) 1.4 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A N/A 16.0
 
Nov. 14, 2019, 8 a.m. 18.2 ppb (17) 2.1 ppb (2) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A N/A 17.0
 
Nov. 14, 2019, 7 a.m. 18.5 ppb (17) 2.3 ppb (2) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A N/A 17.0
 
Nov. 14, 2019, 6 a.m. 15.3 ppb (14) 1.1 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A N/A 14.0
 
Nov. 14, 2019, 5 a.m. 19.3 ppb (18) 2.3 ppb (2) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 11.0 ppb (8) N/A N/A N/A 18.0
 
Nov. 14, 2019, 4 a.m. 29.1 ppb (27) 5.1 ppb (5) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A N/A 27.0
 
Nov. 14, 2019, 3 a.m. 39.6 ppb (37) 11.8 ppb (11) N/A 28.0 ppb (26) N/A 2.0 ppb (3) 3.0 ppb (2) N/A N/A N/A 37.0
 
Nov. 14, 2019, 2 a.m. 45.1 ppb (42) 13.1 ppb (12) N/A 32.0 ppb (30) N/A 2.0 ppb (3) 1.0 ppb (1) N/A N/A N/A 42.0
 
Nov. 14, 2019, 1 a.m. 41.5 ppb (38) 9.2 ppb (9) N/A 33.0 ppb (31) N/A 2.0 ppb (3) 2.0 ppb (2) N/A N/A N/A 38.0
 
Nov. 14, 2019, midnight 34.3 ppb (32) 8.8 ppb (8) N/A 26.0 ppb (24) N/A 3.0 ppb (4) 9.0 ppb (7) N/A N/A N/A 32.0
 
Nov. 13, 2019, 11 p.m. 17.5 ppb (16) 3.0 ppb (3) N/A 15.0 ppb (14) N/A 5.0 ppb (7) 24.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 13, 2019, 10 p.m. 12.5 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 4.0 ppb (6) 30.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 13, 2019, 9 p.m. 5.7 ppb (5) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 13, 2019, 8 p.m. 6.7 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Nov. 13, 2019, 7 p.m. 23.0 ppb (21) 7.8 ppb (7) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
Nov. 13, 2019, 6 p.m. 27.5 ppb (25) 9.8 ppb (9) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 11.4 μg/m3 (48) 48.0
 
Nov. 13, 2019, 5 p.m. 68.0 ppb (65) 36.5 ppb (34) N/A 32.0 ppb (30) N/A 3.0 ppb (4) 13.0 ppb (10) N/A N/A 15.3 μg/m3 (57) 65.0
 
Nov. 13, 2019, 4 p.m. 101.9 ppb (100) 66.4 ppb (63) N/A 36.0 ppb (33) N/A 3.0 ppb (4) 7.0 ppb (5) N/A N/A 15.2 μg/m3 (57) 100.0
 
Nov. 13, 2019, 3 p.m. 53.9 ppb (50) 26.1 ppb (24) N/A 28.0 ppb (26) N/A 4.0 ppb (6) 8.0 ppb (6) N/A N/A 9.5 μg/m3 (40) 50.0
 
Nov. 13, 2019, 2 p.m. 49.5 ppb (46) 20.3 ppb (19) N/A 30.0 ppb (28) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 11.7 μg/m3 (49) 49.0
 
Nov. 13, 2019, 1 p.m. 41.0 ppb (38) 13.2 ppb (12) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 3.0 ppb (2) N/A N/A 15.3 μg/m3 (57) 57.0
 
Nov. 13, 2019, noon 30.9 ppb (29) 5.5 ppb (5) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 6.0 ppb (5) N/A N/A 33.1 μg/m3 (95) 95.0
 
Nov. 13, 2019, 11 a.m. 23.7 ppb (22) 2.8 ppb (3) N/A 21.0 ppb (19) N/A 2.0 ppb (3) 9.0 ppb (7) N/A N/A 44.9 μg/m3 (124) 124.0
 
Nov. 13, 2019, 10 a.m. 17.3 ppb (16) 1.4 ppb (1) N/A 17.0 ppb (16) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 23.1 μg/m3 (74) 74.0
 
Nov. 13, 2019, 9 a.m. 16.6 ppb (15) 1.0 ppb (1) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 13, 2019, 8 a.m. 18.7 ppb (17) 1.1 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 7.5 μg/m3 (31) 31.0
 
Nov. 13, 2019, 7 a.m. 20.5 ppb (19) 1.0 ppb (1) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 7.3 μg/m3 (30) 30.0
 
Nov. 13, 2019, 6 a.m. 30.1 ppb (28) 3.5 ppb (3) N/A 27.0 ppb (25) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 7.9 μg/m3 (33) 33.0
 
Nov. 13, 2019, 5 a.m. 30.2 ppb (28) 2.8 ppb (3) N/A 28.0 ppb (26) N/A 2.0 ppb (3) 7.0 ppb (5) N/A N/A 7.6 μg/m3 (32) 32.0
 
Nov. 13, 2019, 4 a.m. 23.3 ppb (22) 1.2 ppb (1) N/A 23.0 ppb (21) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 7.6 μg/m3 (32) 32.0
 
Nov. 13, 2019, 3 a.m. 26.9 ppb (25) 1.8 ppb (2) N/A 26.0 ppb (24) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 7.9 μg/m3 (33) 33.0
 
Nov. 13, 2019, 2 a.m. 30.8 ppb (29) 2.4 ppb (2) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 8.3 μg/m3 (35) 35.0
 
Nov. 13, 2019, 1 a.m. 26.0 ppb (24) 1.4 ppb (1) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 6.8 μg/m3 (28) 28.0
 
Nov. 13, 2019, midnight 24.4 ppb (23) 1.4 ppb (1) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 6.2 μg/m3 (26) 26.0
 
Nov. 12, 2019, 11 p.m. 17.3 ppb (16) 1.6 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
Nov. 12, 2019, 10 p.m. 10.4 ppb (10) 1.9 ppb (2) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 38.0 ppb (29) N/A N/A 5.6 μg/m3 (23) 29.0
 
Nov. 12, 2019, 9 p.m. 9.3 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 3.0 ppb (4) 40.0 ppb (31) N/A N/A 4.6 μg/m3 (19) 31.0
 
Nov. 12, 2019, 8 p.m. 16.3 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A 11.0 ppb (16) 31.0 ppb (24) N/A N/A 5.8 μg/m3 (24) 24.0
 
Nov. 12, 2019, 7 p.m. 33.0 ppb (31) 14.4 ppb (13) N/A 19.0 ppb (18) N/A 3.0 ppb (4) 21.0 ppb (16) N/A N/A 8.6 μg/m3 (36) 36.0
 
Nov. 12, 2019, 6 p.m. 41.9 ppb (39) 19.3 ppb (18) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 9.9 μg/m3 (41) 41.0
 
Nov. 12, 2019, 5 p.m. 53.2 ppb (49) 26.7 ppb (25) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 10.6 μg/m3 (44) 49.0
 
Nov. 12, 2019, 4 p.m. 63.3 ppb (60) 34.6 ppb (32) N/A 29.0 ppb (27) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 7.8 μg/m3 (32) 60.0
 
Nov. 12, 2019, 3 p.m. 85.9 ppb (84) 54.4 ppb (50) N/A 32.0 ppb (30) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 6.5 μg/m3 (27) 84.0
 
Nov. 12, 2019, 2 p.m. 54.2 ppb (50) 25.7 ppb (24) N/A 29.0 ppb (27) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 5.3 μg/m3 (22) 50.0
 
Nov. 12, 2019, 1 p.m. 34.2 ppb (32) 7.9 ppb (7) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 4.0 ppb (3) N/A N/A 3.1 μg/m3 (13) 32.0
 
Nov. 12, 2019, noon 27.2 ppb (25) 6.0 ppb (6) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 2.8 μg/m3 (12) 25.0
 
Nov. 12, 2019, 11 a.m. 16.6 ppb (15) 1.2 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.1 μg/m3 (9) 15.0
 
Nov. 12, 2019, 10 a.m. 14.3 ppb (13) 0.9 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 1.8 μg/m3 (8) 13.0
 
Nov. 12, 2019, 9 a.m. 17.6 ppb (16) 1.4 ppb (1) N/A 17.0 ppb (16) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 2.1 μg/m3 (9) 16.0
 
Nov. 12, 2019, 8 a.m. 19.2 ppb (18) 1.3 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.0 μg/m3 (8) 18.0
 
Nov. 12, 2019, 7 a.m. 22.1 ppb (20) 2.5 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 2.2 μg/m3 (9) 20.0
 
Nov. 12, 2019, 6 a.m. 24.8 ppb (23) 1.9 ppb (2) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 2.5 μg/m3 (10) 23.0
 
Nov. 12, 2019, 5 a.m. 29.5 ppb (27) 3.0 ppb (3) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 2.4 μg/m3 (10) 27.0
 
Nov. 12, 2019, 4 a.m. 29.7 ppb (28) 3.3 ppb (3) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 2.1 μg/m3 (9) 28.0
 
Nov. 12, 2019, 3 a.m. 26.0 ppb (24) 2.0 ppb (2) N/A 25.0 ppb (23) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 1.5 μg/m3 (6) 24.0
 
Nov. 12, 2019, 2 a.m. 25.9 ppb (24) 1.9 ppb (2) N/A 24.0 ppb (22) N/A 2.0 ppb (3) 13.0 ppb (10) N/A N/A 1.3 μg/m3 (5) 24.0
 
Nov. 12, 2019, 1 a.m. 27.4 ppb (25) 2.7 ppb (3) N/A 25.0 ppb (23) N/A 2.0 ppb (3) 14.0 ppb (11) N/A N/A 1.8 μg/m3 (8) 25.0
 
Nov. 12, 2019, midnight 20.9 ppb (19) 2.1 ppb (2) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A 1.2 μg/m3 (5) 19.0
 
Nov. 11, 2019, 11 p.m. 7.5 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A 3.0 ppb (4) 34.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
Nov. 11, 2019, 10 p.m. 3.5 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 0.6 μg/m3 (2) 29.0
 
Nov. 11, 2019, 9 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 0.6 μg/m3 (2) 30.0
 
Nov. 11, 2019, 8 p.m. 2.5 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 0.6 μg/m3 (2) 29.0
 
Nov. 11, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0
 
Nov. 11, 2019, 6 p.m. 4.5 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
Nov. 11, 2019, 5 p.m. 6.5 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
Nov. 11, 2019, 4 p.m. 4.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 3.4 μg/m3 (14) 24.0
 
Nov. 11, 2019, 3 p.m. 14.1 ppb (13) 3.8 ppb (4) N/A 11.0 ppb (10) N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A 5.4 μg/m3 (23) 23.0