AQSQID: 490353006

Site Name: Hawthorne

Location: Salt Lake City, UT

Reporting: True, Located: True

Current AQI: 31.0

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
Aug. 18, 2019, 3 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 25.0
 
Aug. 18, 2019, 2 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 30.0 ppb (23) 0.1 ppb (1) N/A 6.6 μg/m3 (28) 28.0
 
Aug. 18, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 29.0
 
Aug. 18, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 34.0
 
Aug. 17, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 35.0
 
Aug. 17, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 36.0
 
Aug. 17, 2019, 9 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 38.0
 
Aug. 17, 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) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 39.0
 
Aug. 17, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 53.0 ppb (41) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 41.0
 
Aug. 17, 2019, 6 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 53.0 ppb (41) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 41.0
 
Aug. 17, 2019, 5 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 49.0 ppb (38) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 38.0
 
Aug. 17, 2019, 4 p.m. 9.0 ppb (8) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 31.0
 
Aug. 17, 2019, 3 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 27.0
 
Aug. 17, 2019, 2 p.m. 16.0 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A 6.1 μg/m3 (25) 25.0
 
Aug. 17, 2019, 1 p.m. 13.0 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 19.0 ppb (15) 0.1 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 17, 2019, noon 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 34.0
 
Aug. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
Aug. 17, 2019, 10 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
Aug. 17, 2019, 9 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
Aug. 17, 2019, 8 a.m. 17.0 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 17.0 ppb (13) 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
Aug. 17, 2019, 7 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 7.2 μg/m3 (30) 30.0
 
Aug. 17, 2019, 6 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 26.0
 
Aug. 17, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 25.0
 
Aug. 17, 2019, 4 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 26.0
 
Aug. 17, 2019, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 26.0
 
Aug. 17, 2019, 2 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 22.0
 
Aug. 17, 2019, 1 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 31.0
 
Aug. 17, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 44.0 ppb (34) 0.0 ppb (0) N/A 3.2 μg/m3 (13) 34.0
 
Aug. 16, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 45.0 ppb (35) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 35.0
 
Aug. 16, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 3.2 μg/m3 (13) 38.0
 
Aug. 16, 2019, 9 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 38.0
 
Aug. 16, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 47.0 ppb (36) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 36.0
 
Aug. 16, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 35.0
 
Aug. 16, 2019, 6 p.m. 7.0 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 48.0 ppb (37) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 37.0
 
Aug. 16, 2019, 5 p.m. 10.0 ppb (9) 3.0 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 46.0 ppb (35) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 35.0
 
Aug. 16, 2019, 4 p.m. 13.0 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 31.0
 
Aug. 16, 2019, 3 p.m. 18.0 ppb (17) 6.0 ppb (6) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 31.0 ppb (24) 0.1 ppb (1) N/A 6.1 μg/m3 (25) 25.0
 
Aug. 16, 2019, 2 p.m. 19.0 ppb (18) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 24.0 ppb (18) 0.1 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
Aug. 16, 2019, 1 p.m. 25.0 ppb (23) 6.0 ppb (6) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
Aug. 16, 2019, noon 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A 8.1 μg/m3 (34) 34.0
 
Aug. 16, 2019, 11 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Aug. 16, 2019, 10 a.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 16, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
Aug. 16, 2019, 8 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
Aug. 16, 2019, 7 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 16, 2019, 6 a.m. 20.0 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 22.0 ppb (17) 0.1 ppb (1) N/A 7.2 μg/m3 (30) 30.0
 
Aug. 16, 2019, 5 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 6.1 μg/m3 (25) 27.0
 
Aug. 16, 2019, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 29.0
 
Aug. 16, 2019, 3 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 39.0 ppb (30) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 30.0
 
Aug. 16, 2019, 2 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 31.0
 
Aug. 16, 2019, 1 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 48.0 ppb (37) 0.0 ppb (0) N/A 4.9 μg/m3 (20) 37.0
 
Aug. 16, 2019, midnight 5.0 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 56.0 ppb (43) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 43.0
 
Aug. 15, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 58.0 ppb (45) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 45.0
 
Aug. 15, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 61.0 ppb (47) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 47.0
 
Aug. 15, 2019, 9 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 69.0 ppb (53) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 53.0
 
Aug. 15, 2019, 8 p.m. 8.0 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 75.0 ppb (58) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 58.0
 
Aug. 15, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 70.0 ppb (54) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 54.0
 
Aug. 15, 2019, 6 p.m. 8.0 ppb (7) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 66.0 ppb (51) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 51.0
 
Aug. 15, 2019, 5 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 59.0 ppb (45) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 45.0
 
Aug. 15, 2019, 4 p.m. 18.0 ppb (17) 5.0 ppb (5) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 43.0 ppb (33) 0.1 ppb (1) N/A 7.2 μg/m3 (30) 33.0
 
Aug. 15, 2019, 3 p.m. 27.0 ppb (25) 10.0 ppb (9) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 28.0 ppb (22) 0.2 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
Aug. 15, 2019, 2 p.m. 50.0 ppb (46) 22.0 ppb (20) N/A 28.0 ppb (26) N/A 2.0 ppb (3) 15.0 ppb (12) 0.4 ppb (4) N/A 8.2 μg/m3 (34) 46.0
 
Aug. 15, 2019, 1 p.m. 39.0 ppb (36) 12.0 ppb (11) N/A 26.0 ppb (24) N/A 1.0 ppb (1) 13.0 ppb (10) 0.3 ppb (3) N/A 8.5 μg/m3 (35) 36.0
 
Aug. 15, 2019, noon 27.0 ppb (25) 4.0 ppb (4) N/A 23.0 ppb (21) N/A 1.0 ppb (1) 14.0 ppb (11) 0.2 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Aug. 15, 2019, 11 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 8.4 μg/m3 (35) 35.0
 
Aug. 15, 2019, 10 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Aug. 15, 2019, 9 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) 0.0 ppb (0) N/A 8.9 μg/m3 (37) 37.0
 
Aug. 15, 2019, 8 a.m. 16.0 ppb (15) 2.0 ppb (2) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 9.4 μg/m3 (39) 39.0
 
Aug. 15, 2019, 7 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Aug. 15, 2019, 6 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 25.0
 
Aug. 15, 2019, 5 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 36.0 ppb (28) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 28.0
 
Aug. 15, 2019, 4 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 37.0 ppb (28) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 28.0
 
Aug. 15, 2019, 3 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 39.0 ppb (30) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 30.0
 
Aug. 15, 2019, 2 a.m. 20.0 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Aug. 15, 2019, 1 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 48.0 ppb (37) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 37.0
 
Aug. 15, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 56.0 ppb (43) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 43.0
 
Aug. 14, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 57.0 ppb (44) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 44.0
 
Aug. 14, 2019, 10 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 63.0 ppb (48) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 48.0
 
Aug. 14, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 73.0 ppb (57) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 57.0
 
Aug. 14, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 77.0 ppb (60) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 60.0
 
Aug. 14, 2019, 7 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 60.0 ppb (46) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 46.0
 
Aug. 14, 2019, 6 p.m. 12.0 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 58.0 ppb (45) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 45.0
 
Aug. 14, 2019, 5 p.m. 16.0 ppb (15) 4.0 ppb (4) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 54.0 ppb (42) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 42.0
 
Aug. 14, 2019, 4 p.m. 31.0 ppb (29) 10.0 ppb (9) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) N/A 6.3 μg/m3 (26) 29.0
 
Aug. 14, 2019, 3 p.m. 34.0 ppb (31) 12.0 ppb (11) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 27.0 ppb (21) 0.2 ppb (2) N/A 6.0 μg/m3 (25) 31.0
 
Aug. 14, 2019, 2 p.m. 49.0 ppb (45) 21.0 ppb (19) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 15.0 ppb (12) 0.3 ppb (3) N/A 8.6 μg/m3 (36) 45.0
 
Aug. 14, 2019, 1 p.m. 42.0 ppb (39) 14.0 ppb (13) N/A 28.0 ppb (26) N/A 1.0 ppb (1) 14.0 ppb (11) 0.3 ppb (3) N/A 8.8 μg/m3 (37) 39.0
 
Aug. 14, 2019, noon 25.0 ppb (23) 6.0 ppb (6) N/A 19.0 ppb (18) N/A 1.0 ppb (1) 21.0 ppb (16) 0.1 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Aug. 14, 2019, 11 a.m. 19.0 ppb (18) 3.0 ppb (3) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A 0.1 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
Aug. 14, 2019, 10 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 25.0 ppb (19) 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
Aug. 14, 2019, 9 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Aug. 14, 2019, 8 a.m. 11.0 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 27.0 ppb (21) 0.0 ppb (0) N/A 7.8 μg/m3 (32) 32.0
 
Aug. 14, 2019, 7 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 35.0
 
Aug. 14, 2019, 6 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 38.0
 
Aug. 14, 2019, 5 a.m. 5.0 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 54.0 ppb (42) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 42.0
 
Aug. 14, 2019, 4 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 50.0 ppb (38) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 38.0
 
Aug. 14, 2019, 3 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 51.0 ppb (39) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 39.0
 
Aug. 14, 2019, 2 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 38.0
 
Aug. 14, 2019, 1 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 60.0 ppb (46) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 46.0
 
Aug. 14, 2019, midnight 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 71.0 ppb (55) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 55.0
 
Aug. 13, 2019, 11 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 77.0 ppb (60) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 60.0
 
Aug. 13, 2019, 10 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 85.0 ppb (67) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 67.0
 
Aug. 13, 2019, 9 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 85.0 ppb (67) 0.0 ppb (0) N/A 5.8 μg/m3 (24) 67.0
 
Aug. 13, 2019, 8 p.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 77.0 ppb (60) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 60.0
 
Aug. 13, 2019, 7 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 8.0 ppb (7) N/A 2.0 ppb (3) 70.0 ppb (54) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 54.0
 
Aug. 13, 2019, 6 p.m. 19.0 ppb (18) 4.0 ppb (4) N/A 15.0 ppb (14) N/A 2.0 ppb (3) 62.0 ppb (48) 0.0 ppb (0) N/A 6.3 μg/m3 (26) 48.0
 
Aug. 13, 2019, 5 p.m. 17.0 ppb (16) 5.0 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 51.0 ppb (39) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 39.0
 
Aug. 13, 2019, 4 p.m. 15.0 ppb (14) 5.0 ppb (5) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 43.0 ppb (33) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 33.0
 
Aug. 13, 2019, 3 p.m. 21.0 ppb (19) 7.0 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) N/A 5.2 μg/m3 (22) 25.0
 
Aug. 13, 2019, 2 p.m. 38.0 ppb (35) 15.0 ppb (14) N/A 22.0 ppb (20) N/A 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) N/A 7.0 μg/m3 (29) 35.0
 
Aug. 13, 2019, 1 p.m. 41.0 ppb (38) 14.0 ppb (13) N/A 27.0 ppb (25) N/A 1.0 ppb (1) 11.0 ppb (8) 0.2 ppb (2) N/A 7.5 μg/m3 (31) 38.0
 
Aug. 13, 2019, noon 23.0 ppb (21) 4.0 ppb (4) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 17.0 ppb (13) 0.1 ppb (1) N/A 6.3 μg/m3 (26) 26.0
 
Aug. 13, 2019, 11 a.m. 13.0 ppb (12) 1.0 ppb (1) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
Aug. 13, 2019, 10 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 24.0
 
Aug. 13, 2019, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 27.0
 
Aug. 13, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 27.0
 
Aug. 13, 2019, 7 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 31.0
 
Aug. 13, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 33.0
 
Aug. 13, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 32.0
 
Aug. 13, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 32.0
 
Aug. 13, 2019, 3 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 29.0
 
Aug. 13, 2019, 2 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 31.0
 
Aug. 13, 2019, 1 a.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 50.0 ppb (38) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 38.0
 
Aug. 13, 2019, midnight 4.0 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 54.0 ppb (42) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 42.0
 
Aug. 12, 2019, 11 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 61.0 ppb (47) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 47.0
 
Aug. 12, 2019, 10 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 66.0 ppb (51) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 51.0
 
Aug. 12, 2019, 9 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 66.0 ppb (51) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 51.0
 
Aug. 12, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 61.0 ppb (47) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 47.0
 
Aug. 12, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 56.0 ppb (43) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 43.0
 
Aug. 12, 2019, 6 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 40.0
 
Aug. 12, 2019, 5 p.m. 9.0 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 45.0 ppb (35) 0.0 ppb (0) N/A 4.9 μg/m3 (20) 35.0
 
Aug. 12, 2019, 4 p.m. 14.0 ppb (13) 4.0 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 29.0
 
Aug. 12, 2019, 3 p.m. 18.0 ppb (17) 7.0 ppb (6) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 29.0 ppb (22) 0.1 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
Aug. 12, 2019, 2 p.m. 32.0 ppb (30) 13.0 ppb (12) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
Aug. 12, 2019, 1 p.m. 27.0 ppb (25) 7.0 ppb (6) N/A 20.0 ppb (19) N/A 1.0 ppb (1) 16.0 ppb (12) 0.1 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Aug. 12, 2019, noon 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 26.0 ppb (20) 0.0 ppb (0) N/A 7.6 μg/m3 (32) 32.0
 
Aug. 12, 2019, 11 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
Aug. 12, 2019, 10 a.m. 9.0 ppb (8) 1.0 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
Aug. 12, 2019, 9 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) 0.0 ppb (0) N/A 5.8 μg/m3 (24) 24.0
 
Aug. 12, 2019, 8 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
Aug. 12, 2019, 7 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 34.0
 
Aug. 12, 2019, 6 a.m. 8.0 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 26.0
 
Aug. 12, 2019, 5 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 42.0 ppb (32) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 32.0
 
Aug. 12, 2019, 4 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 32.0
 
Aug. 12, 2019, 3 a.m. 7.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 31.0
 
Aug. 12, 2019, 2 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 46.0 ppb (35) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 35.0
 
Aug. 12, 2019, 1 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 52.0 ppb (40) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 40.0
 
Aug. 12, 2019, midnight 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 54.0 ppb (42) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 42.0
 
Aug. 11, 2019, 11 p.m. 2.0 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 42.0
 
Aug. 11, 2019, 10 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 42.0
 
Aug. 11, 2019, 9 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 56.0 ppb (43) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 43.0
 
Aug. 11, 2019, 8 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 42.0
 
Aug. 11, 2019, 7 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 55.0 ppb (42) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 42.0
 
Aug. 11, 2019, 6 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 56.0 ppb (43) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 43.0
 
Aug. 11, 2019, 5 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 54.0 ppb (42) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 42.0
 
Aug. 11, 2019, 4 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 52.0 ppb (40) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 40.0
 
Aug. 11, 2019, 3 p.m. 4.0 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 49.0 ppb (38) 0.0 ppb (0) N/A 3.2 μg/m3 (13) 38.0
 
Aug. 11, 2019, 2 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 43.0 ppb (33) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 33.0
 
Aug. 11, 2019, 1 p.m. 10.0 ppb (9) 2.0 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 25.0
 
Aug. 11, 2019, noon 14.0 ppb (13) 1.0 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 19.0 ppb (15) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
Aug. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 11, 2019, 10 a.m. 11.0 ppb (10) 1.0 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 18.0 ppb (14) 0.0 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
Aug. 11, 2019, 9 a.m. 12.0 ppb (11) 1.0 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 28.0
 
Aug. 11, 2019, 8 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 18.0 ppb (14) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 22.0
 
Aug. 11, 2019, 7 a.m. 18.0 ppb (17) 1.0 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.1 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 11, 2019, 6 a.m. 15.0 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 23.0 ppb (18) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
Aug. 11, 2019, 5 a.m. 10.0 ppb (9) 1.0 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) 36.0 ppb (28) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 28.0
 
Aug. 11, 2019, 4 a.m. 16.0 ppb (15) 1.0 ppb (1) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 27.0 ppb (21) 0.1 ppb (1) N/A 6.2 μg/m3 (26) 26.0