ID: 318

AQSQID: 130890002

Site Name: South Dekalb

Added: April 21, 2020, 6:24 p.m.

Updated: July 15, 2020, 2:40 a.m.

Location: Decatur (Clifton Spgs Rd), GA

Reporting: True, Located: True

Current AQI: 44.0

Decatur (Clifton Spgs Rd) GA, US: 33.6906, -84.2731

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 15, 2020, 1 a.m. 4.7 ppb (4) -0.1 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) 0.35 ppb (4) 23.0 μg/m3 (21) 10.5 μg/m3 (44) 44.0
 
July 15, 2020, midnight 3.8 ppb (4) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 37.0 ppb (28) 0.3 ppb (3) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 37.0
 
July 14, 2020, 11 p.m. 3.2 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 45.0 ppb (35) 0.26 ppb (3) 17.0 μg/m3 (15) 8.4 μg/m3 (35) 35.0
 
July 14, 2020, 10 p.m. 3.5 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 41.0 ppb (32) 0.24 ppb (3) 17.0 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
July 14, 2020, 9 p.m. 2.7 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 58.0 ppb (45) 0.22 ppb (2) 18.0 μg/m3 (16) 8.1 μg/m3 (34) 45.0
 
July 14, 2020, 8 p.m. 2.7 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 67.0 ppb (52) 0.21 ppb (2) 20.0 μg/m3 (18) 8.8 μg/m3 (37) 52.0
 
July 14, 2020, 7 p.m. 3.3 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 74.0 ppb (57) 0.21 ppb (2) 18.0 μg/m3 (16) 8.8 μg/m3 (37) 57.0
 
July 14, 2020, 6 p.m. 3.7 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 69.0 ppb (53) 0.21 ppb (2) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 53.0
 
July 14, 2020, 5 p.m. 3.1 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 66.0 ppb (51) 0.2 ppb (2) 14.0 μg/m3 (13) 7.7 μg/m3 (32) 51.0
 
July 14, 2020, 4 p.m. 2.8 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 60.0 ppb (46) 0.2 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 46.0
 
July 14, 2020, 3 p.m. 3.6 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (40) 0.2 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 40.0
 
July 14, 2020, 2 p.m. 7.6 ppb (7) 0.9 ppb (1) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 43.0 ppb (33) 0.27 ppb (3) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 33.0
 
July 14, 2020, 1 p.m. 28.7 ppb (27) 11.5 ppb (11) 27.0 ppb (25) 17.0 ppb (16) N/A 0.0 ppb (0) 12.0 ppb (9) 0.52 ppb (6) 22.0 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
July 14, 2020, noon 39.4 ppb (36) 24.4 ppb (23) 37.0 ppb (34) 15.0 ppb (14) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) 20.0 μg/m3 (18) 9.2 μg/m3 (38) 38.0
 
July 14, 2020, 11 a.m. 31.8 ppb (29) 23.8 ppb (22) 30.0 ppb (28) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.44 ppb (5) 20.0 μg/m3 (18) 9.6 μg/m3 (40) 40.0
 
July 14, 2020, 10 a.m. 44.2 ppb (41) 35.2 ppb (33) 43.0 ppb (40) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.48 ppb (5) 22.0 μg/m3 (20) 9.9 μg/m3 (41) 41.0
 
July 14, 2020, 9 a.m. 33.5 ppb (31) 23.6 ppb (22) 32.0 ppb (30) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
July 14, 2020, 8 a.m. 26.1 ppb (24) 12.1 ppb (11) 25.0 ppb (23) 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (4) 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
July 14, 2020, 7 a.m. 28.1 ppb (26) 13.3 ppb (12) 26.0 ppb (24) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.42 ppb (5) 20.0 μg/m3 (18) 9.4 μg/m3 (39) 39.0
 
July 14, 2020, 6 a.m. 43.0 ppb (40) 23.6 ppb (22) 42.0 ppb (39) 19.0 ppb (18) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 21.0 μg/m3 (19) 9.7 μg/m3 (40) 40.0
 
July 14, 2020, 5 a.m. 31.2 ppb (29) 5.8 ppb (5) 30.0 ppb (28) 26.0 ppb (24) N/A 0.0 ppb (0) 1.0 ppb (1) 0.44 ppb (5) 20.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
July 14, 2020, 4 a.m. 32.9 ppb (30) 4.1 ppb (4) 32.0 ppb (30) 29.0 ppb (27) N/A 0.0 ppb (0) 0.0 ppb (0) 0.43 ppb (5) 19.0 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
July 14, 2020, 3 a.m. 23.6 ppb (22) 0.6 ppb (1) 23.0 ppb (21) 23.0 ppb (21) N/A 0.0 ppb (0) 5.0 ppb (4) 0.41 ppb (5) 18.0 μg/m3 (16) 8.7 μg/m3 (36) 36.0
 
July 14, 2020, 2 a.m. 27.2 ppb (25) 1.4 ppb (1) 28.0 ppb (26) 26.0 ppb (24) N/A N/A 4.0 ppb (3) 0.43 ppb (5) 21.0 μg/m3 (19) 8.4 μg/m3 (35) 35.0
 
July 14, 2020, 1 a.m. 15.0 ppb (14) 0.0 ppb (0) 14.0 ppb (13) 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.35 ppb (4) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 14, 2020, midnight 8.2 ppb (8) -0.1 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A N/A 39.0 ppb (30) 0.27 ppb (3) 14.0 μg/m3 (13) 6.8 μg/m3 (28) 30.0
 
July 13, 2020, 11 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.22 ppb (2) 13.0 μg/m3 (12) 6.5 μg/m3 (27) 33.0
 
July 13, 2020, 10 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.2 ppb (2) 13.0 μg/m3 (12) 6.5 μg/m3 (27) 34.0
 
July 13, 2020, 9 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.21 ppb (2) 13.0 μg/m3 (12) 6.8 μg/m3 (28) 35.0
 
July 13, 2020, 8 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (36) 0.2 ppb (2) 12.0 μg/m3 (11) 6.3 μg/m3 (26) 36.0
 
July 13, 2020, 7 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (35) 0.2 ppb (2) 12.0 μg/m3 (11) 5.7 μg/m3 (24) 35.0
 
July 13, 2020, 6 p.m. 2.9 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 37.0
 
July 13, 2020, 5 p.m. 3.3 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.2 ppb (2) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 39.0
 
July 13, 2020, 4 p.m. 3.7 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 50.0 ppb (38) 0.2 ppb (2) 12.0 μg/m3 (11) 5.5 μg/m3 (23) 38.0
 
July 13, 2020, 3 p.m. 6.2 ppb (6) 0.5 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.23 ppb (3) 16.0 μg/m3 (15) 6.5 μg/m3 (27) 38.0
 
July 13, 2020, 2 p.m. 8.8 ppb (8) 1.6 ppb (1) 7.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.25 ppb (3) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
July 13, 2020, 1 p.m. 14.7 ppb (14) 5.2 ppb (5) 13.0 ppb (12) 10.0 ppb (9) N/A 0.0 ppb (0) 13.0 ppb (10) 0.27 ppb (3) 19.0 μg/m3 (17) 9.4 μg/m3 (39) 39.0
 
July 13, 2020, noon 11.5 ppb (11) 3.3 ppb (3) 10.0 ppb (9) 8.0 ppb (7) N/A 0.0 ppb (0) 10.0 ppb (8) 0.24 ppb (3) 16.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
July 13, 2020, 11 a.m. 11.0 ppb (10) 1.6 ppb (1) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.25 ppb (3) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
July 13, 2020, 10 a.m. 12.2 ppb (11) 1.7 ppb (2) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.26 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
July 13, 2020, 9 a.m. 9.7 ppb (9) 0.8 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.25 ppb (3) 17.0 μg/m3 (15) 8.8 μg/m3 (37) 37.0
 
July 13, 2020, 8 a.m. 9.2 ppb (9) 0.2 ppb (0) 8.0 ppb (7) 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.26 ppb (3) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
July 13, 2020, 7 a.m. 10.1 ppb (9) 0.2 ppb (0) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 2.0 ppb (2) 0.27 ppb (3) 19.0 μg/m3 (17) 9.3 μg/m3 (39) 39.0
 
July 13, 2020, 6 a.m. 9.9 ppb (9) 0.1 ppb (0) 9.0 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 4.0 ppb (3) 0.31 ppb (3) 19.0 μg/m3 (17) 9.6 μg/m3 (40) 40.0
 
July 13, 2020, 5 a.m. 11.2 ppb (10) 0.2 ppb (0) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 5.0 ppb (4) 0.34 ppb (4) 20.0 μg/m3 (18) 10.3 μg/m3 (43) 43.0
 
July 13, 2020, 4 a.m. 10.0 ppb (9) 0.1 ppb (0) 9.0 ppb (8) 10.0 ppb (9) N/A 0.0 ppb (0) 5.0 ppb (4) 0.39 ppb (4) 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
July 13, 2020, 3 a.m. 15.6 ppb (14) 0.4 ppb (0) 14.0 ppb (13) 15.0 ppb (14) N/A 0.0 ppb (0) 4.0 ppb (3) 0.46 ppb (5) 20.0 μg/m3 (18) 10.4 μg/m3 (43) 43.0
 
July 13, 2020, 2 a.m. 12.8 ppb (12) 0.1 ppb (0) 12.0 ppb (11) 13.0 ppb (12) N/A 0.0 ppb (0) 7.0 ppb (5) 0.44 ppb (5) 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
July 13, 2020, 1 a.m. 14.7 ppb (14) 0.1 ppb (0) 13.0 ppb (12) 15.0 ppb (14) N/A 0.0 ppb (0) 10.0 ppb (8) 0.47 ppb (5) 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
July 13, 2020, midnight 15.0 ppb (14) 0.3 ppb (0) 14.0 ppb (13) 15.0 ppb (14) N/A 0.0 ppb (0) 11.0 ppb (8) 0.46 ppb (5) 18.0 μg/m3 (16) 9.4 μg/m3 (39) 39.0
 
July 12, 2020, 11 p.m. 9.1 ppb (8) 0.3 ppb (0) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 19.0 ppb (15) 0.34 ppb (4) 17.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 10 p.m. 3.3 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.24 ppb (3) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
July 12, 2020, 9 p.m. 3.1 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
July 12, 2020, 8 p.m. 2.7 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 13.0 μg/m3 (12) 6.6 μg/m3 (28) 30.0
 
July 12, 2020, 7 p.m. 3.1 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.22 ppb (2) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 32.0
 
July 12, 2020, 6 p.m. 2.6 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.21 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 37.0
 
July 12, 2020, 5 p.m. 2.7 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.21 ppb (2) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 42.0
 
July 12, 2020, 4 p.m. 3.4 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.22 ppb (2) 14.0 μg/m3 (13) 6.1 μg/m3 (25) 35.0
 
July 12, 2020, 3 p.m. 4.6 ppb (4) 0.4 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 40.0 ppb (31) 0.23 ppb (3) 12.0 μg/m3 (11) 5.6 μg/m3 (23) 31.0
 
July 12, 2020, 2 p.m. 6.7 ppb (6) 0.9 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 31.0 ppb (24) 0.26 ppb (3) 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
July 12, 2020, 1 p.m. 9.1 ppb (8) 2.2 ppb (2) 8.0 ppb (7) 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.31 ppb (3) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
July 12, 2020, noon 15.8 ppb (15) 8.9 ppb (8) 13.0 ppb (12) 7.0 ppb (6) N/A 0.0 ppb (0) 2.0 ppb (2) 0.44 ppb (5) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 30.0
 
July 12, 2020, 11 a.m. 21.1 ppb (20) 14.5 ppb (13) 20.0 ppb (19) 7.0 ppb (6) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
July 12, 2020, 10 a.m. 19.5 ppb (18) 9.7 ppb (9) 18.0 ppb (17) 10.0 ppb (9) N/A 0.0 ppb (0) 0.0 ppb (0) 0.46 ppb (5) 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
July 12, 2020, 9 a.m. 17.4 ppb (16) 6.8 ppb (6) 16.0 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 18.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
July 12, 2020, 8 a.m. 21.2 ppb (20) 9.8 ppb (9) 19.0 ppb (18) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) N/A 20.0 μg/m3 (18) 8.5 μg/m3 (35) 35.0
 
July 12, 2020, 7 a.m. 21.0 ppb (19) 6.6 ppb (6) 19.0 ppb (18) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.51 ppb (6) 20.0 μg/m3 (18) 8.7 μg/m3 (36) 36.0
 
July 12, 2020, 6 a.m. 17.3 ppb (16) 2.7 ppb (3) 16.0 ppb (15) 15.0 ppb (14) N/A 0.0 ppb (0) 1.0 ppb (1) 0.47 ppb (5) 21.0 μg/m3 (19) 8.7 μg/m3 (36) 36.0
 
July 12, 2020, 5 a.m. 16.3 ppb (15) 0.4 ppb (0) 15.0 ppb (14) 16.0 ppb (15) N/A 0.0 ppb (0) 4.0 ppb (3) 0.44 ppb (5) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
July 12, 2020, 4 a.m. 16.8 ppb (16) 0.1 ppb (0) 16.0 ppb (15) 17.0 ppb (16) N/A 0.0 ppb (0) 9.0 ppb (7) 0.43 ppb (5) 18.0 μg/m3 (16) 7.8 μg/m3 (32) 32.0
 
July 12, 2020, 3 a.m. 10.4 ppb (10) 0.0 ppb (0) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.39 ppb (4) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
July 12, 2020, 2 a.m. 16.2 ppb (15) 0.2 ppb (0) 13.0 ppb (12) 16.0 ppb (15) N/A 0.0 ppb (0) 12.0 ppb (9) 0.5 ppb (6) 21.0 μg/m3 (19) 7.7 μg/m3 (32) 32.0
 
July 12, 2020, 1 a.m. 16.1 ppb (15) 0.0 ppb (0) 16.0 ppb (15) 16.0 ppb (15) N/A 0.0 ppb (0) 23.0 ppb (18) 0.43 ppb (5) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
July 12, 2020, midnight 7.0 ppb (6) -0.1 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.27 ppb (3) 14.0 μg/m3 (13) 5.1 μg/m3 (21) 30.0
 
July 11, 2020, 11 p.m. 3.8 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 43.0 ppb (33) 0.21 ppb (2) 13.0 μg/m3 (12) 5.1 μg/m3 (21) 33.0
 
July 11, 2020, 10 p.m. 3.9 ppb (4) 0.2 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 47.0 ppb (36) 0.22 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 36.0
 
July 11, 2020, 9 p.m. 3.3 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.19 ppb (2) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 39.0
 
July 11, 2020, 8 p.m. 3.3 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.19 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 41.0
 
July 11, 2020, 7 p.m. 3.1 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 54.0 ppb (42) 0.18 ppb (2) 14.0 μg/m3 (13) 4.9 μg/m3 (20) 42.0
 
July 11, 2020, 6 p.m. 3.4 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 53.0 ppb (41) 0.19 ppb (2) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 41.0
 
July 11, 2020, 5 p.m. 3.1 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.18 ppb (2) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 36.0
 
July 11, 2020, 4 p.m. 2.7 ppb (3) 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 44.0 ppb (34) 0.17 ppb (2) 12.0 μg/m3 (11) 5.7 μg/m3 (24) 34.0
 
July 11, 2020, 3 p.m. 2.8 ppb (3) 0.2 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.17 ppb (2) 13.0 μg/m3 (12) 5.7 μg/m3 (24) 33.0
 
July 11, 2020, 2 p.m. 3.3 ppb (3) 0.3 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.18 ppb (2) 12.0 μg/m3 (11) 6.1 μg/m3 (25) 31.0
 
July 11, 2020, 1 p.m. 3.9 ppb (4) 0.4 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
July 11, 2020, noon 5.1 ppb (5) 0.4 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 16.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 11, 2020, 11 a.m. 9.5 ppb (9) 0.8 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.25 ppb (3) 22.0 μg/m3 (20) 8.8 μg/m3 (37) 37.0
 
July 11, 2020, 10 a.m. 6.2 ppb (6) 0.0 ppb (0) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 17.0 ppb (13) 0.21 ppb (2) 22.0 μg/m3 (20) 8.2 μg/m3 (34) 34.0
 
July 11, 2020, 9 a.m. 2.9 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 22.0 μg/m3 (20) 9.1 μg/m3 (38) 38.0
 
July 11, 2020, 8 a.m. 3.1 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 26.0 μg/m3 (24) 10.3 μg/m3 (43) 43.0
 
July 11, 2020, 7 a.m. 3.8 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 28.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
July 11, 2020, 6 a.m. 4.0 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) 26.0 μg/m3 (24) 11.4 μg/m3 (48) 48.0
 
July 11, 2020, 5 a.m. 5.0 ppb (5) 0.0 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.26 ppb (3) 31.0 μg/m3 (28) 12.4 μg/m3 (51) 51.0
 
July 11, 2020, 3 a.m. 9.3 ppb (9) 0.1 ppb (0) 8.0 ppb (7) 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.35 ppb (4) 29.0 μg/m3 (26) 11.6 μg/m3 (48) 48.0
 
July 11, 2020, 2 a.m. 13.4 ppb (12) 0.0 ppb (0) 12.0 ppb (11) 14.0 ppb (13) N/A 0.0 ppb (0) 8.0 ppb (6) 0.37 ppb (4) 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
July 11, 2020, 1 a.m. 7.8 ppb (7) 0.0 ppb (0) 6.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.28 ppb (3) 21.0 μg/m3 (19) 9.7 μg/m3 (40) 40.0
 
July 11, 2020, midnight 4.6 ppb (4) 0.0 ppb (0) 3.0 ppb (3) 5.0 ppb (5) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
July 10, 2020, 11 p.m. 3.5 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 0.26 ppb (3) 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
July 10, 2020, 10 p.m. 4.1 ppb (4) 0.3 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.26 ppb (3) 16.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
July 10, 2020, 9 p.m. 4.0 ppb (4) 0.6 ppb (1) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 30.0 ppb (23) 1.38 ppb (15) 23.0 μg/m3 (21) 8.7 μg/m3 (36) 36.0
 
July 10, 2020, 8 p.m. 3.2 ppb (3) 0.4 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (28) 0.32 ppb (4) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
July 10, 2020, 7 p.m. 2.9 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.2 ppb (2) 15.0 μg/m3 (14) 7.2 μg/m3 (30) 33.0
 
July 10, 2020, 6 p.m. 2.7 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 48.0 ppb (37) 0.2 ppb (2) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 37.0
 
July 10, 2020, 5 p.m. 3.8 ppb (4) 0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 49.0 ppb (38) 0.22 ppb (2) 17.0 μg/m3 (15) 8.2 μg/m3 (34) 38.0
 
July 10, 2020, 4 p.m. 4.6 ppb (4) 0.2 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 49.0 ppb (38) 0.25 ppb (3) 15.0 μg/m3 (14) 7.5 μg/m3 (31) 38.0
 
July 10, 2020, 3 p.m. 6.3 ppb (6) 0.7 ppb (1) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.25 ppb (3) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 31.0
 
July 10, 2020, 2 p.m. 11.7 ppb (11) 2.7 ppb (3) 10.0 ppb (9) 9.0 ppb (8) N/A 1.0 ppb (1) 23.0 ppb (18) 0.27 ppb (3) 14.0 μg/m3 (13) 6.5 μg/m3 (27) 27.0
 
July 10, 2020, 1 p.m. 17.6 ppb (16) 6.3 ppb (6) 16.0 ppb (15) 11.0 ppb (10) N/A 0.0 ppb (0) 11.0 ppb (8) 0.34 ppb (4) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 10, 2020, noon 27.6 ppb (26) 16.4 ppb (15) 26.0 ppb (24) 11.0 ppb (10) N/A 0.0 ppb (0) 2.0 ppb (2) 0.39 ppb (4) 16.0 μg/m3 (15) 5.9 μg/m3 (25) 26.0
 
July 10, 2020, 11 a.m. 24.2 ppb (22) 13.4 ppb (12) 23.0 ppb (21) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.38 ppb (4) 11.0 μg/m3 (10) 4.6 μg/m3 (19) 22.0
 
July 10, 2020, 10 a.m. 16.5 ppb (15) 4.6 ppb (4) 15.0 ppb (14) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.35 ppb (4) 11.0 μg/m3 (10) 4.4 μg/m3 (18) 18.0
 
July 10, 2020, 9 a.m. 11.7 ppb (11) 0.9 ppb (1) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 0.0 ppb (0) 0.33 ppb (4) 11.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
July 10, 2020, 8 a.m. 23.1 ppb (21) 8.4 ppb (8) 23.0 ppb (21) 15.0 ppb (14) N/A 0.0 ppb (0) 0.0 ppb (0) 0.37 ppb (4) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
July 10, 2020, 7 a.m. 14.2 ppb (13) 0.7 ppb (1) 13.0 ppb (12) 14.0 ppb (13) N/A 0.0 ppb (0) 0.0 ppb (0) 0.33 ppb (4) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
July 10, 2020, 6 a.m. 13.7 ppb (13) 1.2 ppb (1) 13.0 ppb (12) 13.0 ppb (12) N/A 0.0 ppb (0) 0.0 ppb (0) 0.34 ppb (4) 20.0 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
July 10, 2020, 5 a.m. 12.9 ppb (12) 1.4 ppb (1) 14.0 ppb (13) 12.0 ppb (11) N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (3) 23.0 μg/m3 (21) 7.5 μg/m3 (31) 31.0
 
July 10, 2020, 4 a.m. 8.2 ppb (8) -0.1 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 20.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
July 10, 2020, 3 a.m. 9.4 ppb (9) -0.1 ppb (0) 8.0 ppb (7) 10.0 ppb (9) N/A 0.0 ppb (0) 9.0 ppb (7) 0.27 ppb (3) 17.0 μg/m3 (15) 5.8 μg/m3 (24) 24.0
 
July 10, 2020, 2 a.m. 9.4 ppb (9) -0.1 ppb (0) 8.0 ppb (7) 10.0 ppb (9) N/A 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 17.0 μg/m3 (15) 5.6 μg/m3 (23) 23.0
 
July 10, 2020, 1 a.m. 8.4 ppb (8) -0.1 ppb (0) 7.0 ppb (6) 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 13.0 μg/m3 (12) 5.1 μg/m3 (21) 21.0
 
July 10, 2020, midnight 3.5 ppb (3) -0.1 ppb (0) 2.0 ppb (2) 4.0 ppb (4) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 15.0 μg/m3 (14) 4.4 μg/m3 (18) 25.0
 
July 9, 2020, 11 p.m. 4.9 ppb (5) -0.1 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 39.0 ppb (30) 0.22 ppb (2) 17.0 μg/m3 (15) 6.0 μg/m3 (25) 30.0
 
July 9, 2020, 10 p.m. 2.1 ppb (2) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 41.0 ppb (32) 0.24 ppb (3) 15.0 μg/m3 (14) 5.8 μg/m3 (24) 32.0
 
July 9, 2020, 9 p.m. 4.3 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 53.0 ppb (41) 0.26 ppb (3) 15.0 μg/m3 (14) 5.8 μg/m3 (24) 41.0
 
July 9, 2020, 8 p.m. 3.6 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 56.0 ppb (43) 0.24 ppb (3) 15.0 μg/m3 (14) 5.7 μg/m3 (24) 43.0
 
July 9, 2020, 7 p.m. 2.9 ppb (3) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 51.0 ppb (39) 0.21 ppb (2) 12.0 μg/m3 (11) 5.3 μg/m3 (22) 39.0
 
July 9, 2020, 6 p.m. 2.6 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 47.0 ppb (36) 0.21 ppb (2) 14.0 μg/m3 (13) 5.4 μg/m3 (23) 36.0
 
July 9, 2020, 5 p.m. 2.4 ppb (2) 0.0 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 46.0 ppb (35) 0.2 ppb (2) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 35.0
 
July 9, 2020, 4 p.m. 3.4 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 39.0 ppb (30) 0.21 ppb (2) 11.0 μg/m3 (10) 5.0 μg/m3 (21) 30.0
 
July 9, 2020, 3 p.m. 8.7 ppb (8) 2.0 ppb (2) 7.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.26 ppb (3) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
July 9, 2020, 2 p.m. 12.3 ppb (11) 3.9 ppb (4) 11.0 ppb (10) 9.0 ppb (8) N/A 0.0 ppb (0) 14.0 ppb (11) 0.29 ppb (3) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
July 9, 2020, 1 p.m. 9.7 ppb (9) 1.9 ppb (2) 9.0 ppb (8) 8.0 ppb (7) N/A 0.0 ppb (0) 11.0 ppb (8) 0.26 ppb (3) 11.0 μg/m3 (10) 5.1 μg/m3 (21) 21.0
 
July 9, 2020, noon 15.0 ppb (14) 5.9 ppb (5) 14.0 ppb (13) 9.0 ppb (8) N/A 0.0 ppb (0) 4.0 ppb (3) 0.29 ppb (3) 16.0 μg/m3 (15) 5.6 μg/m3 (23) 23.0
 
July 9, 2020, 11 a.m. 13.3 ppb (12) 3.7 ppb (3) 13.0 ppb (12) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.28 ppb (3) 17.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
July 9, 2020, 10 a.m. 16.3 ppb (15) 8.0 ppb (7) 15.0 ppb (14) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.32 ppb (4) 24.0 μg/m3 (22) 7.5 μg/m3 (31) 31.0
 
July 9, 2020, 9 a.m. 12.4 ppb (11) 4.5 ppb (4) 13.0 ppb (12) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (3) 24.0 μg/m3 (22) 7.4 μg/m3 (31) 31.0
 
July 9, 2020, 8 a.m. 8.7 ppb (8) 1.0 ppb (1) 8.0 ppb (7) 8.0 ppb (7) N/A 0.0 ppb (0) 0.0 ppb (0) 0.28 ppb (3) 23.0 μg/m3 (21) 7.3 μg/m3 (30) 30.0
 
July 9, 2020, 7 a.m. 10.4 ppb (10) 1.7 ppb (2) 10.0 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.31 ppb (3) 24.0 μg/m3 (22) 7.7 μg/m3 (32) 32.0
 
July 9, 2020, 6 a.m. 10.1 ppb (9) 0.3 ppb (0) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 1.0 ppb (1) 0.31 ppb (3) 24.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
July 9, 2020, 5 a.m. 11.8 ppb (11) 0.3 ppb (0) 11.0 ppb (10) 12.0 ppb (11) N/A 0.0 ppb (0) 3.0 ppb (2) 0.32 ppb (4) 22.0 μg/m3 (20) 7.7 μg/m3 (32) 32.0
 
July 9, 2020, 4 a.m. 11.8 ppb (11) 0.1 ppb (0) 11.0 ppb (10) 12.0 ppb (11) N/A 0.0 ppb (0) 5.0 ppb (4) 0.32 ppb (4) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
July 9, 2020, 3 a.m. 11.0 ppb (10) 0.1 ppb (0) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 7.0 ppb (5) 0.3 ppb (3) 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
July 9, 2020, 2 a.m. 8.7 ppb (8) 0.0 ppb (0) 8.0 ppb (7) 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.28 ppb (3) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
July 9, 2020, 1 a.m. 8.2 ppb (8) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 18.0 ppb (14) 0.27 ppb (3) 18.0 μg/m3 (16) 7.0 μg/m3 (29) 29.0
 
July 9, 2020, midnight 8.1 ppb (8) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.28 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 11 p.m. 10.3 ppb (10) 0.2 ppb (0) 10.0 ppb (9) 10.0 ppb (9) N/A 0.0 ppb (0) 35.0 ppb (27) 0.29 ppb (3) 17.0 μg/m3 (15) 6.5 μg/m3 (27) 27.0
 
July 8, 2020, 10 p.m. 6.0 ppb (6) 0.1 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 49.0 ppb (38) 0.26 ppb (3) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 38.0
 
July 8, 2020, 9 p.m. 6.5 ppb (6) 0.4 ppb (0) 5.0 ppb (5) 6.0 ppb (6) N/A 0.0 ppb (0) 45.0 ppb (35) 0.26 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 35.0
 
July 8, 2020, 8 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) 0.2 ppb (2) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 24.0
 
July 8, 2020, 7 p.m. 1.6 ppb (1) -0.1 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.19 ppb (2) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 25.0
 
July 8, 2020, 6 p.m. 2.3 ppb (2) 0.0 ppb (0) 1.0 ppb (1) 2.0 ppb (2) N/A 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) 11.0 μg/m3 (10) 5.2 μg/m3 (22) 34.0
 
July 8, 2020, 5 p.m. 2.5 ppb (2) 0.0 ppb (0) 1.0 ppb (1) 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.19 ppb (2) 11.0 μg/m3 (10) 5.2 μg/m3 (22) 32.0
 
July 8, 2020, 4 p.m. 3.4 ppb (3) 0.2 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 10.0 μg/m3 (9) 5.1 μg/m3 (21) 28.0
 
July 8, 2020, 3 p.m. 3.4 ppb (3) 0.3 ppb (0) 2.0 ppb (2) 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 24.0
 
July 8, 2020, 2 p.m. 4.0 ppb (4) 0.6 ppb (1) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) N/A 12.0 μg/m3 (11) 5.6 μg/m3 (23) 23.0
 
July 8, 2020, 1 p.m. 5.3 ppb (5) 1.1 ppb (1) 4.0 ppb (4) 4.0 ppb (4) N/A 0.0 ppb (0) 18.0 ppb (14) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
July 8, 2020, noon 7.3 ppb (7) 1.5 ppb (1) 6.0 ppb (6) 6.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.21 ppb (2) 14.0 μg/m3 (13) 6.3 μg/m3 (26) 26.0
 
July 8, 2020, 11 a.m. 10.5 ppb (10) 1.6 ppb (1) 9.0 ppb (8) 9.0 ppb (8) N/A 0.0 ppb (0) 2.0 ppb (2) 0.24 ppb (3) 20.0 μg/m3 (18) 6.8 μg/m3 (28) 28.0
 
July 8, 2020, 10 a.m. 6.9 ppb (6) 0.2 ppb (0) 6.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 4.0 ppb (3) 0.2 ppb (2) 23.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
July 8, 2020, 9 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 6.0 ppb (5) 0.18 ppb (2) 24.0 μg/m3 (22) 7.0 μg/m3 (29) 29.0
 
July 8, 2020, 8 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 8.0 ppb (6) 0.18 ppb (2) 23.0 μg/m3 (21) 6.5 μg/m3 (27) 27.0
 
July 8, 2020, 7 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 2.0 ppb (2) 0.21 ppb (2) 30.0 μg/m3 (27) 6.6 μg/m3 (28) 28.0
 
July 8, 2020, 6 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) 0.26 ppb (3) 27.0 μg/m3 (25) 6.9 μg/m3 (29) 29.0
 
July 8, 2020, 5 a.m. 4.6 ppb (4) 0.1 ppb (0) 4.0 ppb (4) 5.0 ppb (5) N/A 0.0 ppb (0) 4.0 ppb (3) 0.29 ppb (3) 32.0 μg/m3 (29) 8.0 μg/m3 (33) 33.0
 
July 8, 2020, 4 a.m. 9.7 ppb (9) 0.7 ppb (1) 10.0 ppb (9) 9.0 ppb (8) N/A 0.0 ppb (0) 0.0 ppb (0) 0.35 ppb (4) 25.0 μg/m3 (23) 6.4 μg/m3 (27) 27.0
 
July 8, 2020, 3 a.m. 11.4 ppb (11) 0.4 ppb (0) 11.0 ppb (10) 11.0 ppb (10) N/A 0.0 ppb (0) 2.0 ppb (2) 0.37 ppb (4) 27.0 μg/m3 (25) 7.3 μg/m3 (30) 30.0
 
July 8, 2020, 2 a.m. 7.2 ppb (7) 0.0 ppb (0) 7.0 ppb (6) 7.0 ppb (6) N/A 0.0 ppb (0) 7.0 ppb (5) 0.32 ppb (4) 19.0 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
July 8, 2020, 1 a.m. 3.7 ppb (3) -0.1 ppb (0) 3.0 ppb (3) 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) 19.0 μg/m3 (17) 5.8 μg/m3 (24) 24.0