AQSQID: 490353006

Site Name: Hawthorne

Location: Salt Lake City, UT

Reporting: True, Located: True

Current AQI: 25.0

Salt Lake City UT, US: 40.733501, -111.871696

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 6, 2019, 10 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 26.0 ppb (20) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 20.0
 
June 6, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 28.0 ppb (22) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 22.0
 
June 6, 2019, 8 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 23.0 ppb (18) 0.2 ppb (2) N/A 3.8 μg/m3 (16) 18.0
 
June 6, 2019, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 34.0 ppb (26) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 26.0
 
June 6, 2019, 6 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 32.0 ppb (25) 0.1 ppb (1) N/A 4.2 μg/m3 (18) 25.0
 
June 6, 2019, 5 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 37.0 ppb (28) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 28.0
 
June 6, 2019, 4 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 39.0 ppb (30) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 30.0
 
June 6, 2019, 3 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 36.0 ppb (28) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 28.0
 
June 6, 2019, 2 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 41.0 ppb (32) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 32.0
 
June 6, 2019, 1 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 50.0 ppb (38) 0.1 ppb (1) N/A 3.6 μg/m3 (15) 38.0
 
June 6, 2019, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 50.0 ppb (38) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 38.0
 
June 5, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 50.0 ppb (38) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 38.0
 
June 5, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 48.0 ppb (37) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 37.0
 
June 5, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 52.0 ppb (40) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 40.0
 
June 5, 2019, 8 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 53.0 ppb (41) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 41.0
 
June 5, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A 0.1 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
June 5, 2019, 6 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.1 ppb (1) N/A 5.6 μg/m3 (23) 23.0
 
June 5, 2019, 5 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A 0.1 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
June 5, 2019, 4 p.m. 28.0 ppb (26) 9.0 ppb (8) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 43.0 ppb (33) 0.2 ppb (2) N/A 7.8 μg/m3 (32) 33.0
 
June 5, 2019, 3 p.m. 29.0 ppb (27) 9.0 ppb (8) N/A 20.0 ppb (19) N/A 2.0 ppb (3) 36.0 ppb (28) 0.3 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
June 5, 2019, 2 p.m. 23.0 ppb (21) 6.0 ppb (6) N/A 16.0 ppb (15) N/A 2.0 ppb (3) 35.0 ppb (27) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 27.0
 
June 5, 2019, 1 p.m. 15.0 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) N/A 5.6 μg/m3 (23) 25.0
 
June 5, 2019, noon 23.0 ppb (21) 5.0 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 22.0 ppb (17) 0.3 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
June 5, 2019, 11 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
June 5, 2019, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 37.0
 
June 5, 2019, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 7.0 μg/m3 (29) 39.0
 
June 5, 2019, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (42) 0.1 ppb (1) N/A 7.2 μg/m3 (30) 42.0
 
June 5, 2019, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A 7.7 μg/m3 (32) 44.0
 
June 5, 2019, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (44) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 44.0
 
June 5, 2019, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (42) 0.0 ppb (0) N/A 8.2 μg/m3 (34) 42.0
 
June 5, 2019, 4 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
June 5, 2019, 3 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 44.0 ppb (34) 0.1 ppb (1) N/A 11.5 μg/m3 (48) 48.0
 
June 5, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 54.0 ppb (42) 0.1 ppb (1) N/A 10.3 μg/m3 (43) 43.0
 
June 5, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) N/A 9.7 μg/m3 (40) 45.0
 
June 5, 2019, midnight 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 59.0 ppb (45) 0.1 ppb (1) N/A 10.3 μg/m3 (43) 45.0
 
June 4, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 62.0 ppb (48) 0.1 ppb (1) N/A 10.4 μg/m3 (43) 48.0
 
June 4, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 63.0 ppb (48) 0.1 ppb (1) N/A 11.4 μg/m3 (48) 48.0
 
June 4, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 65.0 ppb (50) 0.1 ppb (1) N/A 12.7 μg/m3 (51) 51.0
 
June 4, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 66.0 ppb (51) 0.1 ppb (1) N/A 13.2 μg/m3 (53) 53.0
 
June 4, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 68.0 ppb (52) 0.1 ppb (1) N/A 13.7 μg/m3 (54) 54.0
 
June 4, 2019, 6 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 67.0 ppb (52) 0.1 ppb (1) N/A 17.2 μg/m3 (61) 61.0
 
June 4, 2019, 5 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 61.0 ppb (47) 0.2 ppb (2) N/A N/A 47.0
 
June 4, 2019, 4 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 54.0 ppb (42) 0.2 ppb (2) N/A N/A 42.0
 
June 4, 2019, 3 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 39.0 ppb (30) 0.3 ppb (3) N/A N/A 30.0
 
June 4, 2019, 2 p.m. 21.0 ppb (19) 7.0 ppb (6) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 34.0 ppb (26) 0.3 ppb (3) N/A 3.8 μg/m3 (16) 26.0
 
June 4, 2019, 1 p.m. 37.0 ppb (34) 13.0 ppb (12) N/A 24.0 ppb (22) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
June 4, 2019, noon 27.0 ppb (25) 6.0 ppb (6) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 20.0 ppb (15) 0.3 ppb (3) N/A 5.7 μg/m3 (24) 25.0
 
June 4, 2019, 11 a.m. 21.0 ppb (19) 3.0 ppb (3) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.2 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
June 4, 2019, 10 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 26.0
 
June 4, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 38.0
 
June 4, 2019, 8 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 28.0
 
June 4, 2019, 7 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A 4.9 μg/m3 (20) 30.0
 
June 4, 2019, 6 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 28.0
 
June 4, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 37.0
 
June 4, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 38.0
 
June 4, 2019, 3 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 44.0 ppb (34) 0.1 ppb (1) N/A 5.0 μg/m3 (21) 34.0
 
June 4, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 57.0 ppb (44) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 44.0
 
June 4, 2019, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 58.0 ppb (45) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 45.0
 
June 4, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 46.0
 
June 3, 2019, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 64.0 ppb (49) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 49.0
 
June 3, 2019, 10 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 65.0 ppb (50) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 50.0
 
June 3, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 67.0 ppb (52) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 52.0
 
June 3, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 68.0 ppb (52) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 52.0
 
June 3, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 71.0 ppb (55) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 55.0
 
June 3, 2019, 6 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 70.0 ppb (54) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 54.0
 
June 3, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
June 3, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
June 3, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
June 3, 2019, 2 p.m. 22.0 ppb (20) 7.0 ppb (6) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 39.0 ppb (30) 0.3 ppb (3) N/A 2.8 μg/m3 (12) 30.0
 
June 3, 2019, 1 p.m. 28.0 ppb (26) 8.0 ppb (7) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 26.0 ppb (20) 0.3 ppb (3) N/A 4.5 μg/m3 (19) 26.0
 
June 3, 2019, noon 20.0 ppb (19) 3.0 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 21.0
 
June 3, 2019, 11 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.9 μg/m3 (16) 25.0
 
June 3, 2019, 10 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 32.0
 
June 3, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 32.0
 
June 3, 2019, 8 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 30.0
 
June 3, 2019, 7 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 28.0
 
June 3, 2019, 6 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 46.0 ppb (35) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 35.0
 
June 3, 2019, 5 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 43.0
 
June 3, 2019, 4 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 47.0
 
June 3, 2019, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 68.0 ppb (52) 0.1 ppb (1) N/A 5.4 μg/m3 (23) 52.0
 
June 3, 2019, 2 a.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 70.0 ppb (54) 0.1 ppb (1) N/A 5.9 μg/m3 (25) 54.0
 
June 3, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 65.0 ppb (50) 0.1 ppb (1) N/A 6.1 μg/m3 (25) 50.0
 
June 3, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 65.0 ppb (50) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 50.0
 
June 2, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 66.0 ppb (51) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 51.0
 
June 2, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 67.0 ppb (52) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 52.0
 
June 2, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 62.0 ppb (48) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 48.0
 
June 2, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 51.0 ppb (39) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 39.0
 
June 2, 2019, 7 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 64.0 ppb (49) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 49.0
 
June 2, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 64.0 ppb (49) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 49.0
 
June 2, 2019, 5 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 59.0 ppb (45) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 45.0
 
June 2, 2019, 4 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 52.0 ppb (40) 0.2 ppb (2) N/A 4.0 μg/m3 (17) 40.0
 
June 2, 2019, 3 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 41.0 ppb (32) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 32.0
 
June 2, 2019, 2 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 37.0 ppb (28) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 28.0
 
June 2, 2019, 1 p.m. 14.0 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 33.0 ppb (25) 0.2 ppb (2) N/A 4.3 μg/m3 (18) 25.0
 
June 2, 2019, noon 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 38.0 ppb (29) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 29.0
 
June 2, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 32.0
 
June 2, 2019, 10 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 42.0
 
June 2, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 3.2 μg/m3 (13) 39.0
 
June 2, 2019, 8 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 40.0 ppb (31) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 31.0
 
June 2, 2019, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 45.0
 
June 2, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 3.8 μg/m3 (16) 37.0
 
June 2, 2019, 5 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 35.0
 
June 2, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 43.0
 
June 2, 2019, 3 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 47.0
 
June 2, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 65.0 ppb (50) 0.1 ppb (1) N/A 6.3 μg/m3 (26) 50.0
 
June 2, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 67.0 ppb (52) 0.1 ppb (1) N/A 4.9 μg/m3 (20) 52.0
 
June 2, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 67.0 ppb (52) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 52.0
 
June 1, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 64.0 ppb (49) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 49.0
 
June 1, 2019, 10 p.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 72.0 ppb (56) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 56.0
 
June 1, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 73.0 ppb (57) 0.1 ppb (1) N/A 4.1 μg/m3 (17) 57.0
 
June 1, 2019, 8 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 69.0 ppb (53) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 53.0
 
June 1, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 63.0 ppb (48) 0.2 ppb (2) N/A 4.9 μg/m3 (20) 48.0
 
June 1, 2019, 6 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 47.0
 
June 1, 2019, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 61.0 ppb (47) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 47.0
 
June 1, 2019, 4 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 45.0
 
June 1, 2019, 3 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) N/A 4.6 μg/m3 (19) 46.0
 
June 1, 2019, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 62.0 ppb (48) 0.1 ppb (1) N/A 4.7 μg/m3 (20) 48.0
 
June 1, 2019, 1 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 62.0 ppb (48) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 48.0
 
June 1, 2019, noon 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.1 ppb (1) N/A 4.8 μg/m3 (20) 38.0
 
June 1, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 41.0
 
June 1, 2019, 10 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 49.0 ppb (38) 0.1 ppb (1) N/A 4.0 μg/m3 (17) 38.0
 
June 1, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 37.0
 
June 1, 2019, 8 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 39.0
 
June 1, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 44.0
 
June 1, 2019, 6 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 37.0
 
June 1, 2019, 5 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 40.0 ppb (31) 0.2 ppb (2) N/A 4.2 μg/m3 (18) 31.0
 
June 1, 2019, 4 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 28.0
 
June 1, 2019, 3 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) N/A 3.8 μg/m3 (16) 36.0
 
June 1, 2019, 2 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 59.0 ppb (45) 0.1 ppb (1) N/A 4.1 μg/m3 (17) 45.0
 
June 1, 2019, 1 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 47.0
 
June 1, 2019, midnight 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 64.0 ppb (49) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 49.0
 
May 31, 2019, 11 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 64.0 ppb (49) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 49.0
 
May 31, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 66.0 ppb (51) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 51.0
 
May 31, 2019, 9 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 67.0 ppb (52) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 52.0
 
May 31, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 62.0 ppb (48) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 48.0
 
May 31, 2019, 7 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 44.0
 
May 31, 2019, 6 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 46.0
 
May 31, 2019, 5 p.m. 11.0 ppb (10) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 42.0
 
May 31, 2019, 4 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 33.0
 
May 31, 2019, 3 p.m. 20.0 ppb (19) 8.0 ppb (7) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.2 ppb (2) N/A 3.1 μg/m3 (13) 25.0
 
May 31, 2019, 2 p.m. 23.0 ppb (21) 8.0 ppb (7) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 25.0 ppb (19) 0.3 ppb (3) N/A 2.2 μg/m3 (9) 21.0
 
May 31, 2019, 1 p.m. 26.0 ppb (24) 10.0 ppb (9) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) N/A 3.2 μg/m3 (13) 24.0
 
May 31, 2019, noon 20.0 ppb (19) 6.0 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.3 ppb (3) N/A 4.0 μg/m3 (17) 19.0
 
May 31, 2019, 11 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 16.0
 
May 31, 2019, 10 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 4.3 μg/m3 (18) 18.0
 
May 31, 2019, 9 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 4.2 μg/m3 (18) 19.0
 
May 31, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 28.0
 
May 31, 2019, 7 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 45.0 ppb (35) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 35.0
 
May 31, 2019, 6 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 36.0
 
May 31, 2019, 5 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 42.0
 
May 31, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 40.0
 
May 31, 2019, 3 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 43.0
 
May 31, 2019, 2 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 42.0
 
May 31, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 59.0 ppb (45) 0.1 ppb (1) N/A 3.0 μg/m3 (12) 45.0
 
May 31, 2019, midnight 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 61.0 ppb (47) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 47.0
 
May 30, 2019, 11 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 60.0 ppb (46) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 46.0
 
May 30, 2019, 10 p.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 45.0
 
May 30, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (45) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 45.0
 
May 30, 2019, 8 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 57.0 ppb (44) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 44.0
 
May 30, 2019, 7 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 56.0 ppb (43) 0.1 ppb (1) N/A 1.6 μg/m3 (7) 43.0
 
May 30, 2019, 6 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 52.0 ppb (40) 0.1 ppb (1) N/A 1.8 μg/m3 (8) 40.0
 
May 30, 2019, 5 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 37.0
 
May 30, 2019, 4 p.m. 8.0 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 47.0 ppb (36) 0.1 ppb (1) N/A 2.0 μg/m3 (8) 36.0
 
May 30, 2019, 3 p.m. 11.0 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 42.0 ppb (32) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 32.0
 
May 30, 2019, 2 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 27.0
 
May 30, 2019, 1 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
May 30, 2019, noon 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 28.0
 
May 30, 2019, 11 a.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 33.0