AQSQID: 130890002

Site Name: South Dekalb

Location: DeKalb Co, GA

Reporting: True, Located: True

Current AQI: 9.0

DeKalb Co GA, US: 33.6906, -84.2731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 21, 2019, 10 a.m. 9.7 ppb (9) 3.5 ppb (3) 10.0 ppb (9) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (3) N/A N/A 9.0
 
July 21, 2019, 9 a.m. 9.5 ppb (9) 3.2 ppb (3) 9.0 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 34.0 μg/m3 (31) 9.3 μg/m3 (39) 39.0
 
July 21, 2019, 8 a.m. 9.9 ppb (9) 2.8 ppb (3) 9.0 ppb (8) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 35.0 μg/m3 (32) 9.6 μg/m3 (40) 40.0
 
July 21, 2019, 7 a.m. 7.2 ppb (7) 1.0 ppb (1) 7.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (3) 34.0 μg/m3 (31) 9.5 μg/m3 (40) 40.0
 
July 21, 2019, 6 a.m. 5.3 ppb (5) 0.3 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.24 ppb (3) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
July 21, 2019, 5 a.m. 4.3 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.23 ppb (3) 29.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
July 21, 2019, 4 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.23 ppb (3) N/A N/A 5.0
 
July 21, 2019, 3 a.m. 6.2 ppb (6) -0.1 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 3.0 ppb (2) 0.24 ppb (3) 23.0 μg/m3 (21) 7.8 μg/m3 (32) 32.0
 
July 21, 2019, 2 a.m. 6.5 ppb (6) -0.2 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) 0.21 ppb (2) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
July 21, 2019, 1 a.m. 6.4 ppb (6) -0.2 ppb (0) 5.0 ppb (5) 7.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.2 ppb (2) 24.0 μg/m3 (22) 8.4 μg/m3 (35) 35.0
 
July 21, 2019, midnight 7.2 ppb (7) 0.0 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.24 ppb (3) 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
July 20, 2019, 11 p.m. 5.0 ppb (5) 0.0 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
July 20, 2019, 10 p.m. 2.4 ppb (2) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 9 p.m. 1.5 ppb (1) -0.2 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 20, 2019, 8 p.m. 1.9 ppb (2) -0.2 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
July 20, 2019, 7 p.m. 3.1 ppb (3) -0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 30.0
 
July 20, 2019, 6 p.m. 4.0 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.16 ppb (2) 10.0 μg/m3 (9) 5.4 μg/m3 (23) 30.0
 
July 20, 2019, 5 p.m. 8.0 ppb (7) 1.0 ppb (1) 7.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 4 p.m. 4.9 ppb (5) 0.6 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
July 20, 2019, 3 p.m. 5.5 ppb (5) 0.7 ppb (1) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 2 p.m. 3.8 ppb (4) 0.5 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 15.0 μg/m3 (14) 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 1 p.m. 5.2 ppb (5) 1.2 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 11.0 ppb (8) 0.18 ppb (2) 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
July 20, 2019, noon 10.0 ppb (9) 4.2 ppb (4) 9.0 ppb (8) 6.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.21 ppb (2) 19.0 μg/m3 (17) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 11 a.m. 15.8 ppb (15) 8.1 ppb (8) 15.0 ppb (14) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.25 ppb (3) 28.0 μg/m3 (25) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 10 a.m. 16.0 ppb (15) 9.4 ppb (9) 15.0 ppb (14) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.25 ppb (3) 37.0 μg/m3 (34) 10.9 μg/m3 (45) 45.0
 
July 20, 2019, 9 a.m. 13.8 ppb (13) 6.5 ppb (6) 13.0 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.25 ppb (3) 35.0 μg/m3 (32) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 8 a.m. 4.6 ppb (4) 0.8 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.18 ppb (2) 34.0 μg/m3 (31) 10.0 μg/m3 (42) 42.0
 
July 20, 2019, 7 a.m. 3.9 ppb (4) 0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 2.0 ppb (2) 0.17 ppb (2) N/A N/A 4.0
 
July 20, 2019, 6 a.m. 4.0 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) 25.0 μg/m3 (23) 8.1 μg/m3 (34) 34.0
 
July 20, 2019, 5 a.m. 7.1 ppb (7) 0.2 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 5.0 ppb (4) 0.19 ppb (2) 25.0 μg/m3 (23) 7.9 μg/m3 (33) 33.0
 
July 20, 2019, 4 a.m. 3.9 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 5.0 ppb (4) 0.17 ppb (2) N/A N/A 4.0
 
July 20, 2019, 3 a.m. 4.1 ppb (4) -0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 6.0 ppb (5) 0.17 ppb (2) 22.0 μg/m3 (20) 7.6 μg/m3 (32) 32.0
 
July 20, 2019, 2 a.m. 4.0 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 8.0 ppb (6) 0.18 ppb (2) 21.0 μg/m3 (19) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 1 a.m. 5.4 ppb (5) -0.2 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) 18.0 μg/m3 (16) 6.5 μg/m3 (27) 27.0
 
July 20, 2019, midnight 7.9 ppb (7) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 8.0 ppb (6) 0.23 ppb (3) 17.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
July 19, 2019, 11 p.m. 6.7 ppb (6) 0.2 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
July 19, 2019, 10 p.m. 6.4 ppb (6) 0.7 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
July 19, 2019, 9 p.m. 10.0 ppb (9) 1.8 ppb (2) 9.0 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 14.0 μg/m3 (13) 5.8 μg/m3 (24) 24.0
 
July 19, 2019, 8 p.m. 6.9 ppb (6) 0.7 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
July 19, 2019, 7 p.m. 4.4 ppb (4) 0.0 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) 13.0 μg/m3 (12) 5.1 μg/m3 (21) 21.0
 
July 19, 2019, 6 p.m. 5.9 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 23.0 μg/m3 (21) 9.9 μg/m3 (41) 41.0
 
July 19, 2019, 5 p.m. 6.6 ppb (6) 0.1 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 51.0 ppb (39) 0.24 ppb (3) 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 4 p.m. 10.2 ppb (9) 1.4 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 36.0 ppb (28) 0.29 ppb (3) 25.0 μg/m3 (23) 10.6 μg/m3 (44) 44.0
 
July 19, 2019, 3 p.m. 17.6 ppb (16) 7.0 ppb (6) 15.0 ppb (14) 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 1.44 ppb (16) 32.0 μg/m3 (29) 13.1 μg/m3 (52) 52.0
 
July 19, 2019, 2 p.m. 20.7 ppb (19) 9.0 ppb (8) 20.0 ppb (19) 12.0 ppb (11) N/A 0.0 ppb (0) 4.0 ppb (3) 0.31 ppb (3) 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
July 19, 2019, 1 p.m. 16.4 ppb (15) 8.4 ppb (8) 16.0 ppb (15) 8.0 ppb (7) N/A 0.0 ppb (0) 1.0 ppb (1) 0.29 ppb (3) 23.0 μg/m3 (21) 8.0 μg/m3 (33) 33.0
 
July 19, 2019, noon 15.8 ppb (15) 9.9 ppb (9) 15.0 ppb (14) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 30.0 μg/m3 (27) 8.7 μg/m3 (36) 36.0
 
July 19, 2019, 11 a.m. 17.0 ppb (16) 10.9 ppb (10) 16.0 ppb (15) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 37.0 μg/m3 (34) 9.9 μg/m3 (41) 41.0
 
July 19, 2019, 10 a.m. 12.9 ppb (12) 6.6 ppb (6) 12.0 ppb (11) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.27 ppb (3) 39.0 μg/m3 (35) 10.4 μg/m3 (43) 43.0
 
July 19, 2019, 9 a.m. 21.1 ppb (20) 15.5 ppb (14) 20.0 ppb (19) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) 45.0 μg/m3 (41) 11.8 μg/m3 (49) 49.0
 
July 19, 2019, 8 a.m. 20.4 ppb (19) 15.0 ppb (14) 21.0 ppb (19) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.36 ppb (4) 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
July 19, 2019, 7 a.m. 21.9 ppb (20) 15.7 ppb (15) 21.0 ppb (19) 6.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 44.0 μg/m3 (40) 11.6 μg/m3 (48) 48.0
 
July 19, 2019, 6 a.m. 22.1 ppb (20) 15.4 ppb (14) 22.0 ppb (20) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 46.0 μg/m3 (42) 11.8 μg/m3 (49) 49.0
 
July 19, 2019, 5 a.m. 23.4 ppb (22) 13.1 ppb (12) 23.0 ppb (21) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 40.0 μg/m3 (36) 11.0 μg/m3 (46) 46.0
 
July 19, 2019, 4 a.m. 27.1 ppb (25) 17.3 ppb (16) 28.0 ppb (26) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 41.0 μg/m3 (37) 11.3 μg/m3 (47) 47.0
 
July 19, 2019, 3 a.m. 21.1 ppb (20) 11.1 ppb (10) 21.0 ppb (19) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) 34.0 μg/m3 (31) 9.6 μg/m3 (40) 40.0
 
July 19, 2019, 2 a.m. 19.3 ppb (18) 6.4 ppb (6) 21.0 ppb (19) 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (4) 30.0 μg/m3 (27) 9.2 μg/m3 (38) 38.0
 
July 19, 2019, 1 a.m. 12.5 ppb (12) 0.6 ppb (1) 12.0 ppb (11) 12.0 ppb (11) N/A 0.0 ppb (0) 1.0 ppb (1) 0.31 ppb (3) 28.0 μg/m3 (25) 8.4 μg/m3 (35) 35.0
 
July 19, 2019, midnight 12.1 ppb (11) 0.2 ppb (0) 11.0 ppb (10) 12.0 ppb (11) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 11 p.m. 8.8 ppb (8) 0.8 ppb (1) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 15.0 ppb (12) 0.23 ppb (3) 15.0 μg/m3 (14) 6.3 μg/m3 (26) 26.0
 
July 18, 2019, 10 p.m. 9.6 ppb (9) 1.0 ppb (1) 8.0 ppb (7) 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) 13.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
July 18, 2019, 9 p.m. 10.9 ppb (10) 1.6 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 18, 2019, 8 p.m. 10.9 ppb (10) 1.2 ppb (1) 8.0 ppb (7) 10.0 ppb (9) N/A 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 15.0 μg/m3 (14) 4.9 μg/m3 (20) 20.0
 
July 18, 2019, 7 p.m. 12.3 ppb (11) 0.7 ppb (1) 8.0 ppb (7) 12.0 ppb (11) N/A 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 23.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
July 18, 2019, 6 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.17 ppb (2) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 18, 2019, 5 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 18, 2019, 4 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.18 ppb (2) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 18, 2019, 3 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.21 ppb (2) 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
July 18, 2019, 2 p.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.33 ppb (4) 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
July 18, 2019, 1 p.m. N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.32 ppb (4) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
July 18, 2019, noon N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.28 ppb (3) 31.0 μg/m3 (28) 9.1 μg/m3 (38) 38.0
 
July 18, 2019, 11 a.m. N/A N/A 20.0 ppb (19) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 30.0 μg/m3 (27) 8.8 μg/m3 (37) 37.0
 
July 18, 2019, 10 a.m. N/A N/A 27.0 ppb (25) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (3) 39.0 μg/m3 (35) 10.2 μg/m3 (42) 42.0
 
July 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (3) 42.0 μg/m3 (38) 10.5 μg/m3 (44) 44.0
 
July 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (3) 43.0 μg/m3 (39) 10.5 μg/m3 (44) 44.0
 
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.33 ppb (4) 38.0 μg/m3 (35) 9.6 μg/m3 (40) 40.0
 
July 18, 2019, 6 a.m. N/A N/A 18.0 ppb (17) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (3) 37.0 μg/m3 (34) 9.4 μg/m3 (39) 39.0
 
July 18, 2019, 5 a.m. N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (3) 29.0 μg/m3 (26) 8.0 μg/m3 (33) 33.0
 
July 18, 2019, 4 a.m. N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.26 ppb (3) N/A N/A 11.0
 
July 18, 2019, 3 a.m. N/A N/A 17.0 ppb (16) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (3) 25.0 μg/m3 (23) 7.6 μg/m3 (32) 32.0
 
July 18, 2019, 2 a.m. N/A N/A 23.0 ppb (21) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) 23.0 μg/m3 (21) 7.7 μg/m3 (32) 32.0
 
July 18, 2019, 1 a.m. N/A N/A 13.0 ppb (12) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.27 ppb (3) 24.0 μg/m3 (22) 7.4 μg/m3 (31) 31.0
 
July 18, 2019, midnight N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.26 ppb (3) 17.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
July 17, 2019, 11 p.m. N/A N/A 11.0 ppb (10) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.24 ppb (3) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
July 17, 2019, 10 p.m. N/A N/A 14.0 ppb (13) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.23 ppb (3) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
July 17, 2019, 9 p.m. N/A N/A 12.0 ppb (11) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.19 ppb (2) 19.0 μg/m3 (17) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 8 p.m. N/A N/A 9.0 ppb (8) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.14 ppb (2) 30.0 μg/m3 (27) 8.1 μg/m3 (34) 34.0
 
July 17, 2019, 7 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.12 ppb (1) 39.0 μg/m3 (35) 11.3 μg/m3 (47) 47.0
 
July 17, 2019, 6 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.13 ppb (1) 37.0 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
July 17, 2019, 5 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 41.0 μg/m3 (37) 13.4 μg/m3 (53) 53.0
 
July 17, 2019, 4 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 44.0 μg/m3 (40) 14.9 μg/m3 (56) 56.0
 
July 17, 2019, 3 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 31.0 ppb (24) 0.14 ppb (2) 45.0 μg/m3 (41) 15.3 μg/m3 (57) 57.0
 
July 17, 2019, 2 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.14 ppb (2) 45.0 μg/m3 (41) 15.3 μg/m3 (57) 57.0
 
July 17, 2019, 1 p.m. N/A N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
July 17, 2019, noon N/A N/A 29.0 ppb (27) N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.33 ppb (4) 37.0 μg/m3 (34) 13.4 μg/m3 (53) 53.0
 
July 17, 2019, 11 a.m. 22.9 ppb (21) 13.3 ppb (12) 30.0 ppb (28) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.29 ppb (3) 32.0 μg/m3 (29) 12.4 μg/m3 (51) 51.0
 
July 17, 2019, 10 a.m. 19.5 ppb (18) 9.4 ppb (9) 22.0 ppb (20) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.24 ppb (3) 31.0 μg/m3 (28) 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 9 a.m. 19.4 ppb (18) 8.5 ppb (8) 23.0 ppb (21) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 32.0 μg/m3 (29) 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 8 a.m. 23.5 ppb (22) 13.8 ppb (13) 27.0 ppb (25) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 32.0 μg/m3 (29) 13.0 μg/m3 (52) 52.0
 
July 17, 2019, 7 a.m. 39.2 ppb (36) 27.7 ppb (26) 47.0 ppb (44) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) 34.0 μg/m3 (31) 13.7 μg/m3 (54) 54.0
 
July 17, 2019, 6 a.m. 30.7 ppb (28) 17.5 ppb (16) 37.0 ppb (34) 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.35 ppb (4) 35.0 μg/m3 (32) 14.0 μg/m3 (54) 54.0
 
July 17, 2019, 5 a.m. 25.7 ppb (24) 12.0 ppb (11) 30.0 ppb (28) 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 35.0 μg/m3 (32) 13.6 μg/m3 (53) 53.0
 
July 17, 2019, 4 a.m. 28.3 ppb (26) 12.7 ppb (12) 35.0 ppb (32) 16.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.39 ppb (4) N/A N/A 32.0
 
July 17, 2019, 3 a.m. 19.1 ppb (18) 3.9 ppb (4) 27.0 ppb (25) 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.31 ppb (3) 37.0 μg/m3 (34) 14.2 μg/m3 (55) 55.0
 
July 17, 2019, 2 a.m. 8.8 ppb (8) -0.1 ppb (0) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 9.0 ppb (7) 0.22 ppb (2) 43.0 μg/m3 (39) 15.0 μg/m3 (56) 56.0
 
July 17, 2019, 1 a.m. 4.8 ppb (4) -0.2 ppb (0) 5.0 ppb (5) 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.18 ppb (2) 43.0 μg/m3 (39) 14.9 μg/m3 (56) 56.0
 
July 17, 2019, midnight 2.4 ppb (2) -0.2 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) 43.0 μg/m3 (39) 14.3 μg/m3 (55) 55.0
 
July 16, 2019, 11 p.m. 1.5 ppb (1) -0.2 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 43.0 μg/m3 (39) 14.0 μg/m3 (54) 54.0
 
July 16, 2019, 10 p.m. 1.2 ppb (1) -0.2 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 43.0 μg/m3 (39) 14.2 μg/m3 (55) 55.0
 
July 16, 2019, 9 p.m. 1.0 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) 49.0 μg/m3 (45) 15.0 μg/m3 (56) 56.0
 
July 16, 2019, 8 p.m. 0.9 ppb (1) -0.2 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) 50.0 μg/m3 (45) 16.0 μg/m3 (59) 59.0
 
July 16, 2019, 7 p.m. 1.0 ppb (1) -0.2 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) 50.0 μg/m3 (45) 15.9 μg/m3 (58) 58.0
 
July 16, 2019, 6 p.m. 1.1 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 52.0 μg/m3 (47) 16.2 μg/m3 (59) 59.0
 
July 16, 2019, 5 p.m. 1.5 ppb (1) -0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 59.0 μg/m3 (52) 17.0 μg/m3 (61) 61.0
 
July 16, 2019, 4 p.m. 2.8 ppb (3) 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.14 ppb (2) 54.0 μg/m3 (49) 16.5 μg/m3 (60) 60.0
 
July 16, 2019, 3 p.m. 4.3 ppb (4) 0.5 ppb (0) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 33.0 ppb (25) 0.15 ppb (2) 55.0 μg/m3 (50) 16.6 μg/m3 (60) 60.0
 
July 16, 2019, 2 p.m. 16.4 ppb (15) 4.8 ppb (4) 18.0 ppb (17) 12.0 ppb (11) N/A 1.0 ppb (1) 21.0 ppb (16) 0.23 ppb (3) 50.0 μg/m3 (45) 15.7 μg/m3 (58) 58.0
 
July 16, 2019, 1 p.m. 21.5 ppb (20) 9.6 ppb (9) 24.0 ppb (22) 12.0 ppb (11) N/A 1.0 ppb (1) 10.0 ppb (8) 0.3 ppb (3) 42.0 μg/m3 (38) 13.9 μg/m3 (54) 54.0
 
July 16, 2019, noon 43.6 ppb (40) 32.0 ppb (30) 50.0 ppb (46) 12.0 ppb (11) N/A 0.0 ppb (0) 1.0 ppb (1) 0.51 ppb (6) 39.0 μg/m3 (35) 12.6 μg/m3 (51) 51.0
 
July 16, 2019, 11 a.m. 37.0 ppb (34) 32.8 ppb (30) 42.0 ppb (39) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) 28.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
July 16, 2019, 10 a.m. 39.7 ppb (37) 34.2 ppb (32) 45.0 ppb (42) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.42 ppb (5) 29.0 μg/m3 (26) 11.8 μg/m3 (49) 49.0
 
July 16, 2019, 9 a.m. 58.9 ppb (55) 51.7 ppb (48) 67.0 ppb (64) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 29.0 μg/m3 (26) 12.0 μg/m3 (50) 64.0
 
July 16, 2019, 8 a.m. 52.6 ppb (49) 44.5 ppb (41) 60.0 ppb (56) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (5) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 56.0
 
July 16, 2019, 7 a.m. 49.9 ppb (46) 40.7 ppb (38) 57.0 ppb (53) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 33.0 μg/m3 (30) 12.8 μg/m3 (52) 53.0
 
July 16, 2019, 6 a.m. 55.0 ppb (51) 44.3 ppb (41) 62.0 ppb (59) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) 34.0 μg/m3 (31) 13.0 μg/m3 (52) 59.0
 
July 16, 2019, 5 a.m. 50.9 ppb (47) 37.9 ppb (35) 58.0 ppb (54) 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 35.0 μg/m3 (32) 13.3 μg/m3 (53) 54.0
 
July 16, 2019, 4 a.m. 35.7 ppb (33) 21.7 ppb (20) 43.0 ppb (40) 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) N/A N/A 40.0
 
July 16, 2019, 3 a.m. 29.2 ppb (27) 13.0 ppb (12) 35.0 ppb (32) 16.0 ppb (15) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 37.0 μg/m3 (34) 13.5 μg/m3 (53) 53.0
 
July 16, 2019, 2 a.m. 35.2 ppb (33) 14.8 ppb (14) 40.0 ppb (37) 21.0 ppb (19) N/A N/A 0.0 ppb (0) 0.4 ppb (4) 39.0 μg/m3 (35) 14.1 μg/m3 (54) 54.0
 
July 16, 2019, 1 a.m. 24.9 ppb (23) 3.3 ppb (3) 28.0 ppb (26) 22.0 ppb (20) N/A N/A 1.0 ppb (1) 0.32 ppb (4) 40.0 μg/m3 (36) 14.6 μg/m3 (56) 56.0
 
July 16, 2019, midnight 6.3 ppb (6) -0.1 ppb (0) 8.0 ppb (7) 6.0 ppb (6) N/A N/A 19.0 ppb (15) 0.2 ppb (2) 44.0 μg/m3 (40) 14.9 μg/m3 (56) 56.0
 
July 15, 2019, 11 p.m. 1.7 ppb (2) -0.2 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) 0.14 ppb (2) 45.0 μg/m3 (41) 15.2 μg/m3 (57) 57.0
 
July 15, 2019, 10 p.m. 1.5 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.13 ppb (1) 55.0 μg/m3 (50) 17.4 μg/m3 (61) 61.0
 
July 15, 2019, 9 p.m. 1.5 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 57.0 μg/m3 (51) 17.7 μg/m3 (62) 62.0
 
July 15, 2019, 8 p.m. 1.4 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 62.0 μg/m3 (54) 18.0 μg/m3 (63) 63.0
 
July 15, 2019, 7 p.m. 1.4 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 64.0 μg/m3 (54) 18.0 μg/m3 (63) 63.0
 
July 15, 2019, 6 p.m. 1.7 ppb (2) -0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (24) 0.13 ppb (1) 60.0 μg/m3 (52) 16.8 μg/m3 (60) 60.0
 
July 15, 2019, 5 p.m. 2.2 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) 59.0 μg/m3 (52) 16.0 μg/m3 (59) 59.0
 
July 15, 2019, 4 p.m. 2.4 ppb (2) 0.0 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (27) 0.13 ppb (1) 60.0 μg/m3 (52) 16.3 μg/m3 (59) 59.0
 
July 15, 2019, 3 p.m. 9.1 ppb (8) 1.6 ppb (1) 10.0 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (26) 0.18 ppb (2) 47.0 μg/m3 (43) 12.9 μg/m3 (52) 52.0
 
July 15, 2019, 2 p.m. 18.6 ppb (17) 5.1 ppb (5) 21.0 ppb (19) 14.0 ppb (13) N/A 0.0 ppb (0) 24.0 ppb (18) 0.29 ppb (3) 32.0 μg/m3 (29) 10.4 μg/m3 (43) 43.0
 
July 15, 2019, 1 p.m. 44.3 ppb (41) 27.7 ppb (26) 50.0 ppb (46) 17.0 ppb (16) N/A 0.0 ppb (0) 6.0 ppb (5) 0.5 ppb (6) 33.0 μg/m3 (30) 10.4 μg/m3 (43) 46.0
 
July 15, 2019, noon 46.3 ppb (43) 37.7 ppb (35) 54.0 ppb (50) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (6) 26.0 μg/m3 (24) 9.4 μg/m3 (39) 50.0
 
July 15, 2019, 11 a.m. 35.1 ppb (32) 29.8 ppb (28) 42.0 ppb (39) 5.0 ppb (5) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (5) 22.0 μg/m3 (20) 8.8 μg/m3 (37) 39.0
 
July 15, 2019, 10 a.m. 28.7 ppb (27) 21.7 ppb (20) 34.0 ppb (31) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) 24.0 μg/m3 (22) 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 9 a.m. 21.1 ppb (20) 11.4 ppb (11) 24.0 ppb (22) 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.39 ppb (4) 25.0 μg/m3 (23) 9.4 μg/m3 (39) 39.0
 
July 15, 2019, 8 a.m. 20.6 ppb (19) 10.7 ppb (10) 23.0 ppb (21) 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.41 ppb (5) 23.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 7 a.m. 21.5 ppb (20) 9.5 ppb (9) 24.0 ppb (22) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 22.0 μg/m3 (20) 8.9 μg/m3 (37) 37.0
 
July 15, 2019, 6 a.m. 22.5 ppb (21) 13.0 ppb (12) 25.0 ppb (23) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.45 ppb (5) 23.0 μg/m3 (21) 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 5 a.m. 33.9 ppb (31) 24.4 ppb (23) 38.0 ppb (35) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.55 ppb (6) 22.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
July 15, 2019, 4 a.m. 29.5 ppb (27) 18.6 ppb (17) 33.0 ppb (31) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.53 ppb (6) N/A N/A 31.0
 
July 15, 2019, 3 a.m. 22.6 ppb (21) 10.4 ppb (10) 27.0 ppb (25) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.49 ppb (5) 21.0 μg/m3 (19) 8.2 μg/m3 (34) 34.0
 
July 15, 2019, 2 a.m. 18.7 ppb (17) 3.7 ppb (3) 21.0 ppb (19) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.41 ppb (5) 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
July 15, 2019, 1 a.m. 14.6 ppb (14) 0.3 ppb (0) 16.0 ppb (15) 14.0 ppb (13) N/A 0.0 ppb (0) 4.0 ppb (3) 0.35 ppb (4) 21.0 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
July 15, 2019, midnight 12.4 ppb (11) 0.2 ppb (0) 13.0 ppb (12) 12.0 ppb (11) N/A 0.0 ppb (0) 11.0 ppb (8) 0.31 ppb (3) 21.0 μg/m3 (19) 8.8 μg/m3 (37) 37.0
 
July 14, 2019, 11 p.m. N/A N/A 10.0 ppb (9) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.28 ppb (3) 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
July 14, 2019, 10 p.m. N/A N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.23 ppb (3) 27.0 μg/m3 (25) 9.5 μg/m3 (40) 40.0
 
July 14, 2019, 9 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 33.0 μg/m3 (30) 11.9 μg/m3 (50) 50.0
 
July 14, 2019, 8 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 37.0 μg/m3 (34) 13.3 μg/m3 (53) 53.0
 
July 14, 2019, 7 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) 42.0 μg/m3 (38) 14.2 μg/m3 (55) 55.0
 
July 14, 2019, 6 p.m. 2.6 ppb (2) 0.1 ppb (0) 3.0 ppb (3) 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) 0.14 ppb (2) 46.0 μg/m3 (42) 15.7 μg/m3 (58) 58.0
 
July 14, 2019, 5 p.m. 3.1 ppb (3) 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) 53.0 μg/m3 (48) 17.9 μg/m3 (63) 63.0
 
July 14, 2019, 4 p.m. 2.2 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) 57.0 μg/m3 (51) 18.5 μg/m3 (64) 64.0
 
July 14, 2019, 3 p.m. 2.8 ppb (3) 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.14 ppb (2) 55.0 μg/m3 (50) 18.1 μg/m3 (63) 63.0
 
July 14, 2019, 2 p.m. 4.7 ppb (4) 0.9 ppb (1) 5.0 ppb (5) 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 39.0 μg/m3 (35) 13.8 μg/m3 (54) 54.0
 
July 14, 2019, 1 p.m. 8.1 ppb (8) 3.1 ppb (3) 9.0 ppb (8) 5.0 ppb (5) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 26.0 μg/m3 (24) 10.2 μg/m3 (42) 42.0
 
July 14, 2019, noon 14.8 ppb (14) 9.6 ppb (9) 17.0 ppb (16) 5.0 ppb (5) N/A 0.0 ppb (0) 2.0 ppb (2) 0.34 ppb (4) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
July 14, 2019, 11 a.m. 14.2 ppb (13) 10.1 ppb (9) 16.0 ppb (15) 4.0 ppb (4) N/A 0.0 ppb (0) 0.0 ppb (0) 0.36 ppb (4) 24.0 μg/m3 (22) 8.5 μg/m3 (35) 35.0