AQSQID: 401431127

Site Name: Tulsa

Location: Tulsa (E 36th St N), OK

Reporting: True, Located: True

Current AQI: 29.0

Tulsa (E 36th St N) OK, US: 36.206699, -95.976402

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 24, 2019, 1 a.m. 8.1 ppb (8) 0.5 ppb (0) 7.9 ppb (7) 8.0 ppb (7) 7.0 ppb (6) 0.0 ppb (0) 32.0 ppb (25) 0.28 ppb (3) 18.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
July 24, 2019, midnight 5.9 ppb (5) 0.9 ppb (1) 5.1 ppb (5) 5.0 ppb (5) 3.8 ppb (4) 0.0 ppb (0) 39.0 ppb (30) 0.26 ppb (3) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 30.0
 
July 23, 2019, 11 p.m. 4.5 ppb (4) 1.0 ppb (1) 4.1 ppb (4) 4.0 ppb (4) 2.8 ppb (3) 0.0 ppb (0) 42.0 ppb (32) 0.23 ppb (3) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 32.0
 
July 23, 2019, 10 p.m. 3.9 ppb (4) 0.9 ppb (1) 3.0 ppb (3) 3.0 ppb (3) 1.5 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.22 ppb (2) 17.0 μg/m3 (15) 6.8 μg/m3 (28) 34.0
 
July 23, 2019, 9 p.m. 3.5 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.2 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 33.0
 
July 23, 2019, 8 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.19 ppb (2) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 32.0
 
July 23, 2019, 7 p.m. 4.5 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.2 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 31.0
 
July 23, 2019, 6 p.m. 5.8 ppb (5) 2.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 29.0
 
July 23, 2019, 5 p.m. 3.6 ppb (3) 0.4 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 29.0
 
July 23, 2019, 4 p.m. 3.5 ppb (3) 0.3 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 1.8 ppb (2) 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
July 23, 2019, 3 p.m. 4.9 ppb (5) 0.8 ppb (1) 3.8 ppb (4) 4.0 ppb (4) 1.3 ppb (1) 1.0 ppb (1) 31.0 ppb (24) 0.22 ppb (2) 18.0 μg/m3 (16) 6.8 μg/m3 (28) 28.0
 
July 23, 2019, 2 p.m. 5.4 ppb (5) 1.0 ppb (1) 4.3 ppb (4) 4.0 ppb (4) 2.6 ppb (2) 0.0 ppb (0) 25.0 ppb (19) 0.21 ppb (2) 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
July 23, 2019, 1 p.m. 6.4 ppb (6) 1.4 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 2.7 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.22 ppb (2) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
July 23, 2019, noon 5.3 ppb (5) 0.7 ppb (1) 4.2 ppb (4) 5.0 ppb (5) 2.9 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
July 23, 2019, 11 a.m. 5.7 ppb (5) 0.8 ppb (1) 5.0 ppb (5) 5.0 ppb (5) 3.5 ppb (3) 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 17.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
July 23, 2019, 10 a.m. 3.3 ppb (3) 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
July 23, 2019, 9 a.m. 3.0 ppb (3) 0.0 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.2 ppb (2) 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
July 23, 2019, 8 a.m. 3.0 ppb (3) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.1 ppb (2) 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
July 23, 2019, 7 a.m. 4.2 ppb (4) 0.2 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.2 ppb (2) 14.0 μg/m3 (13) 5.6 μg/m3 (23) 23.0
 
July 23, 2019, 6 a.m. 5.4 ppb (5) 0.6 ppb (1) 4.3 ppb (4) 5.0 ppb (5) 3.2 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 15.0 μg/m3 (14) 5.5 μg/m3 (23) 23.0
 
July 23, 2019, 5 a.m. 5.6 ppb (5) 1.1 ppb (1) 5.2 ppb (5) 4.0 ppb (4) 3.2 ppb (3) 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) 13.0 μg/m3 (12) 4.7 μg/m3 (20) 20.0
 
July 23, 2019, 4 a.m. 2.5 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.19 ppb (2) 13.0 μg/m3 (12) 4.8 μg/m3 (20) 24.0
 
July 23, 2019, 3 a.m. 4.9 ppb (5) 0.2 ppb (0) 3.8 ppb (4) 5.0 ppb (5) 3.1 ppb (3) 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) 13.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
July 23, 2019, 2 a.m. 5.4 ppb (5) 0.1 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 32.0 ppb (25) 0.24 ppb (3) 15.0 μg/m3 (14) 5.4 μg/m3 (23) 25.0
 
July 23, 2019, 1 a.m. 5.9 ppb (5) 0.3 ppb (0) 4.8 ppb (4) 6.0 ppb (6) 4.0 ppb (4) 0.0 ppb (0) 36.0 ppb (28) 0.23 ppb (3) 18.0 μg/m3 (16) 5.2 μg/m3 (22) 28.0
 
July 23, 2019, midnight 5.9 ppb (5) 0.5 ppb (0) 4.2 ppb (4) 5.0 ppb (5) 2.9 ppb (3) 0.0 ppb (0) 43.0 ppb (33) 0.22 ppb (2) 13.0 μg/m3 (12) 4.7 μg/m3 (20) 33.0
 
July 22, 2019, 11 p.m. 3.8 ppb (4) 0.2 ppb (0) 3.4 ppb (3) 4.0 ppb (4) 2.4 ppb (2) 0.0 ppb (0) 45.0 ppb (35) 0.21 ppb (2) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 35.0
 
July 22, 2019, 10 p.m. 4.0 ppb (4) 0.3 ppb (0) 3.4 ppb (3) 4.0 ppb (4) 2.2 ppb (2) 0.0 ppb (0) 42.0 ppb (32) 0.21 ppb (2) 12.0 μg/m3 (11) 4.3 μg/m3 (18) 32.0
 
July 22, 2019, 9 p.m. 4.5 ppb (4) 0.6 ppb (1) 3.4 ppb (3) 4.0 ppb (4) 2.0 ppb (2) 0.0 ppb (0) 38.0 ppb (29) 0.2 ppb (2) 11.0 μg/m3 (10) 4.2 μg/m3 (18) 29.0
 
July 22, 2019, 8 p.m. 4.2 ppb (4) 0.6 ppb (1) 3.1 ppb (3) 4.0 ppb (4) 1.5 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 13.0 μg/m3 (12) 4.6 μg/m3 (19) 28.0
 
July 22, 2019, 7 p.m. 4.3 ppb (4) 0.5 ppb (0) 2.6 ppb (2) 4.0 ppb (4) 1.4 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.19 ppb (2) 14.0 μg/m3 (13) 5.2 μg/m3 (22) 28.0
 
July 22, 2019, 6 p.m. 3.4 ppb (3) 0.4 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 1.4 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 12.0 μg/m3 (11) 5.2 μg/m3 (22) 28.0
 
July 22, 2019, 5 p.m. 3.2 ppb (3) 0.4 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 24.0
 
July 22, 2019, 4 p.m. 3.4 ppb (3) 0.6 ppb (1) 2.8 ppb (3) 3.0 ppb (3) 1.5 ppb (1) 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) 12.0 μg/m3 (11) 6.5 μg/m3 (27) 27.0
 
July 22, 2019, 3 p.m. 3.2 ppb (3) 0.6 ppb (1) 2.4 ppb (2) 3.0 ppb (3) 1.3 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 11.0 μg/m3 (10) 5.6 μg/m3 (23) 23.0
 
July 22, 2019, 2 p.m. 2.7 ppb (3) 0.4 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 1.3 ppb (1) 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 10.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
July 22, 2019, 1 p.m. 3.3 ppb (3) 0.9 ppb (1) 1.8 ppb (2) 2.0 ppb (2) 1.2 ppb (1) 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 10.0 μg/m3 (9) 4.3 μg/m3 (18) 18.0
 
July 22, 2019, noon 2.3 ppb (2) 0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) 9.0 μg/m3 (8) 4.5 μg/m3 (19) 19.0
 
July 22, 2019, 11 a.m. 2.3 ppb (2) 0.1 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
July 22, 2019, 10 a.m. 2.7 ppb (3) 0.0 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
July 22, 2019, 9 a.m. 2.2 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 0.0 ppb (0) 28.0 ppb (22) 0.17 ppb (2) 11.0 μg/m3 (10) 4.9 μg/m3 (20) 22.0
 
July 22, 2019, 8 a.m. 3.2 ppb (3) 0.0 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 14.0 μg/m3 (13) 6.8 μg/m3 (28) 28.0
 
July 22, 2019, 7 a.m. 3.5 ppb (3) 0.1 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 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 22, 2019, 6 a.m. 2.8 ppb (3) 0.0 ppb (0) 2.2 ppb (2) 3.0 ppb (3) 2.0 ppb (2) 0.0 ppb (0) 25.0 ppb (19) 0.19 ppb (2) 26.0 μg/m3 (24) 9.8 μg/m3 (41) 41.0
 
July 22, 2019, 5 a.m. 1.8 ppb (2) 0.1 ppb (0) 1.2 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.18 ppb (2) 22.0 μg/m3 (20) 8.9 μg/m3 (37) 37.0
 
July 22, 2019, 4 a.m. 2.8 ppb (3) 0.0 ppb (0) 1.8 ppb (2) 3.0 ppb (3) 1.6 ppb (1) 0.0 ppb (0) 44.0 ppb (34) 0.19 ppb (2) 38.0 μg/m3 (35) 10.5 μg/m3 (44) 44.0
 
July 22, 2019, 3 a.m. 5.2 ppb (5) 0.0 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 44.0 μg/m3 (40) 15.9 μg/m3 (58) 58.0
 
July 22, 2019, 2 a.m. 3.2 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 1.0 ppb (1) 32.0 ppb (25) 0.2 ppb (2) 43.0 μg/m3 (39) 15.7 μg/m3 (58) 58.0
 
July 22, 2019, 1 a.m. 2.3 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 1.0 ppb (1) 35.0 ppb (27) 0.2 ppb (2) 43.0 μg/m3 (39) 15.1 μg/m3 (57) 57.0
 
July 22, 2019, midnight 2.2 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 1.0 ppb (1) 40.0 ppb (31) 0.19 ppb (2) 41.0 μg/m3 (37) 14.8 μg/m3 (56) 56.0
 
July 21, 2019, 11 p.m. 2.4 ppb (2) 0.0 ppb (0) 2.2 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 1.0 ppb (1) 42.0 ppb (32) 0.2 ppb (2) 42.0 μg/m3 (38) 14.6 μg/m3 (56) 56.0
 
July 21, 2019, 10 p.m. 2.4 ppb (2) 0.0 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 1.0 ppb (1) 40.0 ppb (31) 0.2 ppb (2) 41.0 μg/m3 (37) 14.9 μg/m3 (56) 56.0
 
July 21, 2019, 9 p.m. 2.2 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 1.0 ppb (1) 41.0 ppb (32) 0.19 ppb (2) 39.0 μg/m3 (35) 14.3 μg/m3 (55) 55.0
 
July 21, 2019, 8 p.m. 1.7 ppb (2) 0.0 ppb (0) 1.5 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 1.0 ppb (1) 40.0 ppb (31) 0.18 ppb (2) 41.0 μg/m3 (37) 14.3 μg/m3 (55) 55.0
 
July 21, 2019, 7 p.m. 2.1 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 39.0 μg/m3 (35) 14.5 μg/m3 (55) 55.0
 
July 21, 2019, 6 p.m. 2.4 ppb (2) 0.0 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 42.0 μg/m3 (38) 15.0 μg/m3 (56) 56.0
 
July 21, 2019, 5 p.m. 2.7 ppb (3) 0.1 ppb (0) 2.0 ppb (2) 3.0 ppb (3) 1.7 ppb (2) 1.0 ppb (1) 38.0 ppb (29) 0.19 ppb (2) 42.0 μg/m3 (38) 15.1 μg/m3 (57) 57.0
 
July 21, 2019, 4 p.m. 9.5 ppb (9) 1.4 ppb (1) 2.9 ppb (3) 8.0 ppb (7) 2.4 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 40.0 μg/m3 (36) 15.1 μg/m3 (57) 57.0
 
July 21, 2019, 3 p.m. 4.6 ppb (4) 0.3 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.2 ppb (3) 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) 39.0 μg/m3 (35) 14.6 μg/m3 (56) 56.0
 
July 21, 2019, 2 p.m. 4.1 ppb (4) 0.3 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 28.0 ppb (22) 0.19 ppb (2) 34.0 μg/m3 (31) 13.6 μg/m3 (53) 53.0
 
July 21, 2019, 1 p.m. 4.1 ppb (4) 0.4 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 22.0 ppb (17) 0.19 ppb (2) 30.0 μg/m3 (27) 12.3 μg/m3 (51) 51.0
 
July 21, 2019, noon 5.9 ppb (5) 0.5 ppb (0) 5.1 ppb (5) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 16.0 ppb (12) 0.19 ppb (2) 27.0 μg/m3 (25) 11.8 μg/m3 (49) 49.0
 
July 21, 2019, 11 a.m. 9.0 ppb (8) 0.1 ppb (0) 8.3 ppb (8) 9.0 ppb (8) 8.0 ppb (7) 0.0 ppb (0) 12.0 ppb (9) 0.2 ppb (2) 26.0 μg/m3 (24) 11.7 μg/m3 (49) 49.0
 
July 21, 2019, 10 a.m. 5.9 ppb (5) 0.0 ppb (0) 6.0 ppb (6) 6.0 ppb (6) 5.9 ppb (5) 0.0 ppb (0) 15.0 ppb (12) 0.18 ppb (2) 24.0 μg/m3 (22) 10.9 μg/m3 (45) 45.0
 
July 21, 2019, 9 a.m. 3.4 ppb (3) 0.0 ppb (0) 2.8 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 22.0 μg/m3 (20) 10.4 μg/m3 (43) 43.0
 
July 21, 2019, 8 a.m. 3.3 ppb (3) 0.0 ppb (0) 3.3 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 21.0 μg/m3 (19) 9.9 μg/m3 (41) 41.0
 
July 21, 2019, 7 a.m. 4.5 ppb (4) 0.0 ppb (0) 3.7 ppb (3) 5.0 ppb (5) 3.5 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 18.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
July 21, 2019, 6 a.m. 3.4 ppb (3) 0.0 ppb (0) 3.4 ppb (3) 3.0 ppb (3) 3.3 ppb (3) 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 19.0 μg/m3 (17) 10.1 μg/m3 (42) 42.0
 
July 21, 2019, 5 a.m. 2.8 ppb (3) 0.0 ppb (0) 1.8 ppb (2) 3.0 ppb (3) 1.7 ppb (2) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
July 21, 2019, 4 a.m. 9.3 ppb (9) 0.1 ppb (0) 7.7 ppb (7) 9.0 ppb (8) 7.5 ppb (7) 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 20.0 μg/m3 (18) 9.9 μg/m3 (41) 41.0
 
July 21, 2019, 3 a.m. 7.7 ppb (7) 0.0 ppb (0) 6.3 ppb (6) 8.0 ppb (7) 6.0 ppb (6) 0.0 ppb (0) 23.0 ppb (18) 0.19 ppb (2) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
July 21, 2019, 2 a.m. 7.7 ppb (7) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) 6.8 ppb (6) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 23.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
July 21, 2019, 1 a.m. 5.2 ppb (5) 0.0 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 1.0 ppb (1) 34.0 ppb (26) 0.2 ppb (2) 23.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
July 21, 2019, midnight 2.0 ppb (2) 0.0 ppb (0) 1.7 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 23.0 μg/m3 (21) 8.9 μg/m3 (37) 37.0
 
July 20, 2019, 11 p.m. 2.1 ppb (2) 0.0 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 25.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
July 20, 2019, 10 p.m. 1.6 ppb (1) 0.0 ppb (0) 1.3 ppb (1) 2.0 ppb (2) 1.0 ppb (1) 1.0 ppb (1) 37.0 ppb (28) 0.17 ppb (2) 23.0 μg/m3 (21) 8.6 μg/m3 (36) 36.0
 
July 20, 2019, 9 p.m. 2.1 ppb (2) 0.0 ppb (0) 1.6 ppb (1) 2.0 ppb (2) 1.3 ppb (1) 1.0 ppb (1) 36.0 ppb (28) 0.17 ppb (2) 31.0 μg/m3 (28) 9.4 μg/m3 (39) 39.0
 
July 20, 2019, 8 p.m. 2.3 ppb (2) 0.1 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 1.0 ppb (1) 37.0 ppb (28) 0.18 ppb (2) 28.0 μg/m3 (25) 9.6 μg/m3 (40) 40.0
 
July 20, 2019, 7 p.m. 2.6 ppb (2) 0.1 ppb (0) 2.1 ppb (2) 2.0 ppb (2) 1.7 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) 26.0 μg/m3 (24) 9.5 μg/m3 (40) 40.0
 
July 20, 2019, 6 p.m. 2.3 ppb (2) 0.1 ppb (0) 1.8 ppb (2) 2.0 ppb (2) 1.5 ppb (1) 0.0 ppb (0) 37.0 ppb (28) 0.17 ppb (2) 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
July 20, 2019, 5 p.m. 2.6 ppb (2) 0.1 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.6 ppb (1) 0.0 ppb (0) 36.0 ppb (28) 0.17 ppb (2) 29.0 μg/m3 (26) 9.0 μg/m3 (38) 38.0
 
July 20, 2019, 4 p.m. 3.4 ppb (3) 0.2 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 1.9 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.18 ppb (2) 27.0 μg/m3 (25) 8.7 μg/m3 (36) 36.0
 
July 20, 2019, 3 p.m. 8.9 ppb (8) 1.4 ppb (1) 2.6 ppb (2) 8.0 ppb (7) 2.2 ppb (2) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 28.0 μg/m3 (25) 9.1 μg/m3 (38) 38.0
 
July 20, 2019, 2 p.m. 4.5 ppb (4) 0.4 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 26.0 μg/m3 (24) 9.3 μg/m3 (39) 39.0
 
July 20, 2019, 1 p.m. 5.9 ppb (5) 0.6 ppb (1) 5.4 ppb (5) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) 19.0 μg/m3 (17) 8.8 μg/m3 (37) 37.0
 
July 20, 2019, noon 6.0 ppb (6) 0.4 ppb (0) 5.5 ppb (5) 6.0 ppb (6) 4.6 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) 16.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
July 20, 2019, 11 a.m. 5.3 ppb (5) 0.0 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 4.5 ppb (4) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
July 20, 2019, 10 a.m. 6.2 ppb (6) 0.0 ppb (0) 5.6 ppb (5) 6.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) 14.0 μg/m3 (13) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 9 a.m. 4.7 ppb (4) 0.0 ppb (0) 4.3 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
July 20, 2019, 8 a.m. 6.4 ppb (6) 0.0 ppb (0) 5.1 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 7 a.m. 7.5 ppb (7) 0.1 ppb (0) 6.2 ppb (6) 7.0 ppb (6) 6.1 ppb (6) 0.0 ppb (0) 20.0 ppb (15) 0.17 ppb (2) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
July 20, 2019, 6 a.m. 7.9 ppb (7) 0.1 ppb (0) 6.3 ppb (6) 8.0 ppb (7) 6.3 ppb (6) 0.0 ppb (0) 22.0 ppb (17) 0.17 ppb (2) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
July 20, 2019, 5 a.m. 9.7 ppb (9) 0.1 ppb (0) 8.0 ppb (7) 10.0 ppb (9) 7.9 ppb (7) 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
July 20, 2019, 4 a.m. 7.2 ppb (7) 0.0 ppb (0) 6.8 ppb (6) 7.0 ppb (6) 6.7 ppb (6) 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 21.0 μg/m3 (19) 8.2 μg/m3 (34) 34.0
 
July 20, 2019, 3 a.m. 3.9 ppb (4) 0.0 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 19.0 μg/m3 (17) 7.7 μg/m3 (32) 32.0
 
July 20, 2019, 2 a.m. 7.2 ppb (7) 0.0 ppb (0) 5.7 ppb (5) 7.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 27.0 ppb (21) 0.19 ppb (2) 20.0 μg/m3 (18) 7.0 μg/m3 (29) 29.0
 
July 20, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 1.0 ppb (1) 33.0 ppb (25) 0.19 ppb (2) 22.0 μg/m3 (20) 7.1 μg/m3 (30) 30.0
 
July 20, 2019, midnight 5.1 ppb (5) 0.1 ppb (0) 4.2 ppb (4) 5.0 ppb (5) 3.8 ppb (4) 1.0 ppb (1) 39.0 ppb (30) 0.19 ppb (2) 26.0 μg/m3 (24) 7.8 μg/m3 (32) 32.0
 
July 19, 2019, 11 p.m. 3.7 ppb (3) 0.1 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.8 ppb (3) 1.0 ppb (1) 43.0 ppb (33) 0.19 ppb (2) 29.0 μg/m3 (26) 8.4 μg/m3 (35) 35.0
 
July 19, 2019, 10 p.m. 3.9 ppb (4) 0.1 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 1.0 ppb (1) 42.0 ppb (32) 0.19 ppb (2) 31.0 μg/m3 (28) 9.3 μg/m3 (39) 39.0
 
July 19, 2019, 9 p.m. 3.4 ppb (3) 0.1 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 40.0 μg/m3 (36) 10.0 μg/m3 (42) 42.0
 
July 19, 2019, 8 p.m. 3.7 ppb (3) 0.2 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 2.3 ppb (2) 1.0 ppb (1) 36.0 ppb (28) 0.18 ppb (2) 52.0 μg/m3 (47) 11.4 μg/m3 (48) 48.0
 
July 19, 2019, 7 p.m. 4.4 ppb (4) 0.3 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.0 ppb (3) 1.0 ppb (1) 35.0 ppb (27) 0.18 ppb (2) 48.0 μg/m3 (44) 11.2 μg/m3 (47) 47.0
 
July 19, 2019, 6 p.m. 4.0 ppb (4) 0.2 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 2.6 ppb (2) 1.0 ppb (1) 34.0 ppb (26) 0.17 ppb (2) 46.0 μg/m3 (42) 10.8 μg/m3 (45) 45.0
 
July 19, 2019, 5 p.m. 4.5 ppb (4) 0.3 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 2.9 ppb (3) 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 50.0 μg/m3 (45) 10.7 μg/m3 (45) 45.0
 
July 19, 2019, 4 p.m. 5.5 ppb (5) 0.5 ppb (0) 4.1 ppb (4) 5.0 ppb (5) 3.2 ppb (3) 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 41.0 μg/m3 (37) 9.8 μg/m3 (41) 41.0
 
July 19, 2019, 3 p.m. 12.3 ppb (11) 2.0 ppb (2) 4.9 ppb (5) 10.0 ppb (9) 3.6 ppb (3) 0.0 ppb (0) 28.0 ppb (22) 0.18 ppb (2) 39.0 μg/m3 (35) 9.1 μg/m3 (38) 38.0
 
July 19, 2019, 2 p.m. 6.9 ppb (6) 1.0 ppb (1) 5.8 ppb (5) 6.0 ppb (6) 4.1 ppb (4) 0.0 ppb (0) 25.0 ppb (19) 0.18 ppb (2) 36.0 μg/m3 (33) 8.6 μg/m3 (36) 36.0
 
July 19, 2019, 1 p.m. 8.7 ppb (8) 1.4 ppb (1) 7.7 ppb (7) 7.0 ppb (6) 5.5 ppb (5) 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) 28.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
July 19, 2019, noon 8.3 ppb (8) 1.0 ppb (1) 7.6 ppb (7) 7.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
July 19, 2019, 11 a.m. 6.3 ppb (6) 0.2 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 5.3 ppb (5) 0.0 ppb (0) 17.0 ppb (13) 0.18 ppb (2) 15.0 μg/m3 (14) 6.8 μg/m3 (28) 28.0
 
July 19, 2019, 10 a.m. 4.9 ppb (5) 0.0 ppb (0) 4.3 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) 14.0 μg/m3 (13) 6.5 μg/m3 (27) 27.0
 
July 19, 2019, 9 a.m. 5.1 ppb (5) 0.0 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
July 19, 2019, 8 a.m. 5.8 ppb (5) 0.0 ppb (0) 5.0 ppb (5) 6.0 ppb (6) 5.0 ppb (5) 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 17.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
July 19, 2019, 7 a.m. 6.1 ppb (6) 0.0 ppb (0) 5.2 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
July 19, 2019, 6 a.m. 5.8 ppb (5) 0.1 ppb (0) 4.9 ppb (5) 6.0 ppb (6) 4.8 ppb (4) 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
July 19, 2019, 5 a.m. 4.9 ppb (5) 0.0 ppb (0) 3.8 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 25.0 ppb (19) 0.16 ppb (2) 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
July 19, 2019, 4 a.m. 6.4 ppb (6) 0.0 ppb (0) 5.5 ppb (5) 6.0 ppb (6) 5.4 ppb (5) 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) 18.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
July 19, 2019, 3 a.m. 4.2 ppb (4) 0.0 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 20.0 μg/m3 (18) 7.7 μg/m3 (32) 32.0
 
July 19, 2019, 2 a.m. 9.5 ppb (9) 0.0 ppb (0) 8.0 ppb (7) 10.0 ppb (9) 7.9 ppb (7) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
July 19, 2019, 1 a.m. 5.0 ppb (5) 0.0 ppb (0) 4.7 ppb (4) 5.0 ppb (5) 4.6 ppb (4) 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 22.0 μg/m3 (20) 7.8 μg/m3 (32) 32.0
 
July 19, 2019, midnight 3.5 ppb (3) 0.0 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 1.0 ppb (1) 48.0 ppb (37) 0.19 ppb (2) 24.0 μg/m3 (22) 7.4 μg/m3 (31) 37.0
 
July 18, 2019, 11 p.m. 5.5 ppb (5) 0.2 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 4.1 ppb (4) 1.0 ppb (1) 44.0 ppb (34) 0.19 ppb (2) 23.0 μg/m3 (21) 7.5 μg/m3 (31) 34.0
 
July 18, 2019, 10 p.m. 4.3 ppb (4) 0.2 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 2.8 ppb (3) 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 28.0 μg/m3 (25) 7.5 μg/m3 (31) 31.0
 
July 18, 2019, 9 p.m. 4.2 ppb (4) 0.3 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 2.7 ppb (3) 1.0 ppb (1) 35.0 ppb (27) 0.17 ppb (2) 37.0 μg/m3 (34) 7.9 μg/m3 (33) 34.0
 
July 18, 2019, 8 p.m. 4.5 ppb (4) 0.3 ppb (0) 3.8 ppb (4) 4.0 ppb (4) 2.9 ppb (3) 1.0 ppb (1) 34.0 ppb (26) 0.18 ppb (2) 43.0 μg/m3 (39) 8.7 μg/m3 (36) 39.0
 
July 18, 2019, 7 p.m. 3.9 ppb (4) 0.3 ppb (0) 3.2 ppb (3) 4.0 ppb (4) 2.5 ppb (2) 1.0 ppb (1) 34.0 ppb (26) 0.17 ppb (2) 52.0 μg/m3 (47) 8.9 μg/m3 (37) 47.0
 
July 18, 2019, 6 p.m. 7.9 ppb (7) 1.1 ppb (1) 2.5 ppb (2) 7.0 ppb (6) 2.0 ppb (2) 1.0 ppb (1) 34.0 ppb (26) 0.17 ppb (2) 43.0 μg/m3 (39) 8.9 μg/m3 (37) 39.0
 
July 18, 2019, 5 p.m. 6.5 ppb (6) 0.9 ppb (1) 3.0 ppb (3) 6.0 ppb (6) 2.3 ppb (2) 0.0 ppb (0) 35.0 ppb (27) 0.18 ppb (2) 36.0 μg/m3 (33) 9.1 μg/m3 (38) 38.0
 
July 18, 2019, 4 p.m. 3.5 ppb (3) 0.2 ppb (0) 3.2 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 1.0 ppb (1) 35.0 ppb (27) 0.18 ppb (2) 34.0 μg/m3 (31) 9.2 μg/m3 (38) 38.0
 
July 18, 2019, 3 p.m. 4.5 ppb (4) 0.3 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.3 ppb (3) 1.0 ppb (1) 31.0 ppb (24) 0.18 ppb (2) 32.0 μg/m3 (29) 9.2 μg/m3 (38) 38.0
 
July 18, 2019, 2 p.m. 5.3 ppb (5) 0.5 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 26.0 ppb (20) 0.19 ppb (2) 32.0 μg/m3 (29) 9.8 μg/m3 (41) 41.0
 
July 18, 2019, 1 p.m. 8.3 ppb (8) 1.1 ppb (1) 7.5 ppb (7) 7.0 ppb (6) 5.6 ppb (5) 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) 31.0 μg/m3 (28) 10.4 μg/m3 (43) 43.0
 
July 18, 2019, noon 7.9 ppb (7) 0.7 ppb (1) 7.2 ppb (7) 7.0 ppb (6) 6.0 ppb (6) 0.0 ppb (0) 17.0 ppb (13) 0.22 ppb (2) 28.0 μg/m3 (25) 10.6 μg/m3 (44) 44.0
 
July 18, 2019, 11 a.m. 7.4 ppb (7) 0.1 ppb (0) 7.0 ppb (6) 7.0 ppb (6) 6.6 ppb (6) 0.0 ppb (0) 17.0 ppb (13) 0.19 ppb (2) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
July 18, 2019, 10 a.m. 3.9 ppb (4) 0.0 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.6 ppb (3) 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
July 18, 2019, 9 a.m. 2.6 ppb (2) 0.0 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 2.3 ppb (2) 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 17.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
July 18, 2019, 8 a.m. 2.0 ppb (2) 0.0 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.8 ppb (2) 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 17.0 μg/m3 (15) 9.4 μg/m3 (39) 39.0
 
July 18, 2019, 7 a.m. 3.8 ppb (4) 0.0 ppb (0) 3.1 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 18.0 μg/m3 (16) 9.2 μg/m3 (38) 38.0
 
July 18, 2019, 6 a.m. 4.5 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) 16.0 μg/m3 (15) 8.9 μg/m3 (37) 37.0
 
July 18, 2019, 5 a.m. 6.0 ppb (6) 0.0 ppb (0) 5.4 ppb (5) 6.0 ppb (6) 5.3 ppb (5) 0.0 ppb (0) 21.0 ppb (16) 0.16 ppb (2) 18.0 μg/m3 (16) 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 4 a.m. 3.5 ppb (3) 0.0 ppb (0) 3.0 ppb (3) 4.0 ppb (4) 2.9 ppb (3) 0.0 ppb (0) 26.0 ppb (20) 0.17 ppb (2) 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
July 18, 2019, 3 a.m. 8.4 ppb (8) 0.0 ppb (0) 7.0 ppb (6) 8.0 ppb (7) 6.9 ppb (6) 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 21.0 μg/m3 (19) 9.7 μg/m3 (40) 40.0
 
July 18, 2019, 2 a.m. 8.5 ppb (8) 0.0 ppb (0) 7.8 ppb (7) 9.0 ppb (8) 7.7 ppb (7) 0.0 ppb (0) 36.0 ppb (28) 0.2 ppb (2) 20.0 μg/m3 (18) 8.5 μg/m3 (35) 35.0
 
July 18, 2019, 1 a.m. 3.8 ppb (4) 0.0 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 3.1 ppb (3) 0.0 ppb (0) 45.0 ppb (35) 0.19 ppb (2) 23.0 μg/m3 (21) 8.1 μg/m3 (34) 35.0
 
July 18, 2019, midnight 3.0 ppb (3) 0.0 ppb (0) 2.7 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 1.0 ppb (1) 44.0 ppb (34) 0.18 ppb (2) 27.0 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
July 17, 2019, 11 p.m. 4.7 ppb (4) 0.2 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.2 ppb (3) 1.0 ppb (1) 39.0 ppb (30) 0.18 ppb (2) 26.0 μg/m3 (24) 10.1 μg/m3 (42) 42.0
 
July 17, 2019, 10 p.m. 6.0 ppb (6) 0.4 ppb (0) 5.0 ppb (5) 6.0 ppb (6) 4.0 ppb (4) 1.0 ppb (1) 37.0 ppb (28) 0.18 ppb (2) 31.0 μg/m3 (28) 10.2 μg/m3 (42) 42.0
 
July 17, 2019, 9 p.m. 5.8 ppb (5) 0.4 ppb (0) 4.8 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) 40.0 μg/m3 (36) 10.8 μg/m3 (45) 45.0
 
July 17, 2019, 8 p.m. 9.1 ppb (8) 1.0 ppb (1) 4.8 ppb (4) 8.0 ppb (7) 3.8 ppb (4) 1.0 ppb (1) 40.0 ppb (31) 0.18 ppb (2) 41.0 μg/m3 (37) 10.9 μg/m3 (45) 45.0
 
July 17, 2019, 7 p.m. 7.1 ppb (7) 0.9 ppb (1) 3.1 ppb (3) 6.0 ppb (6) 2.6 ppb (2) 0.0 ppb (0) 41.0 ppb (32) 0.17 ppb (2) 35.0 μg/m3 (32) 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 6 p.m. 4.3 ppb (4) 0.3 ppb (0) 3.5 ppb (3) 4.0 ppb (4) 2.9 ppb (3) 1.0 ppb (1) 41.0 ppb (32) 0.18 ppb (2) 49.0 μg/m3 (45) 12.1 μg/m3 (50) 50.0
 
July 17, 2019, 5 p.m. 3.0 ppb (3) 0.1 ppb (0) 2.9 ppb (3) 3.0 ppb (3) 2.5 ppb (2) 1.0 ppb (1) 40.0 ppb (31) 0.17 ppb (2) 38.0 μg/m3 (35) 11.6 μg/m3 (48) 48.0
 
July 17, 2019, 4 p.m. 5.1 ppb (5) 0.3 ppb (0) 4.7 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 1.0 ppb (1) 38.0 ppb (29) 0.18 ppb (2) 41.0 μg/m3 (37) 11.6 μg/m3 (48) 48.0
 
July 17, 2019, 3 p.m. 6.2 ppb (6) 0.5 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 4.5 ppb (4) 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 43.0 μg/m3 (39) 11.6 μg/m3 (48) 48.0
 
July 17, 2019, 2 p.m. 5.9 ppb (5) 0.7 ppb (1) 5.1 ppb (5) 5.0 ppb (5) 3.7 ppb (3) 0.0 ppb (0) 27.0 ppb (21) 0.18 ppb (2) 55.0 μg/m3 (50) 11.9 μg/m3 (50) 50.0
 
July 17, 2019, 1 p.m. 10.5 ppb (10) 1.9 ppb (2) 9.1 ppb (8) 9.0 ppb (8) 6.4 ppb (6) 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) 44.0 μg/m3 (40) 11.8 μg/m3 (49) 49.0
 
July 17, 2019, noon 10.6 ppb (10) 1.6 ppb (1) 10.0 ppb (9) 9.0 ppb (8) 7.6 ppb (7) 0.0 ppb (0) 14.0 ppb (11) 0.24 ppb (3) 46.0 μg/m3 (42) 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 11 a.m. 9.0 ppb (8) 0.5 ppb (0) 8.6 ppb (8) 8.0 ppb (7) 7.7 ppb (7) 0.0 ppb (0) 15.0 ppb (12) 0.24 ppb (3) 35.0 μg/m3 (32) 11.8 μg/m3 (49) 49.0
 
July 17, 2019, 10 a.m. 6.4 ppb (6) 0.0 ppb (0) 6.0 ppb (6) 6.0 ppb (6) 5.8 ppb (5) 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 24.0 μg/m3 (22) 11.4 μg/m3 (48) 48.0
 
July 17, 2019, 9 a.m. 5.2 ppb (5) 0.0 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 5.0 ppb (5) 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 27.0 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
July 17, 2019, 8 a.m. 4.1 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) 30.0 μg/m3 (27) 12.5 μg/m3 (51) 51.0
 
July 17, 2019, 7 a.m. 5.6 ppb (5) 0.0 ppb (0) 5.4 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) 27.0 μg/m3 (25) 12.9 μg/m3 (52) 52.0
 
July 17, 2019, 6 a.m. 3.8 ppb (4) 0.0 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 0.0 ppb (0) 34.0 ppb (26) 0.21 ppb (2) 30.0 μg/m3 (27) 13.7 μg/m3 (54) 54.0
 
July 17, 2019, 5 a.m. 5.5 ppb (5) 0.0 ppb (0) 4.7 ppb (4) 5.0 ppb (5) 4.3 ppb (4) 0.0 ppb (0) 34.0 ppb (26) 0.22 ppb (2) 29.0 μg/m3 (26) 13.6 μg/m3 (53) 53.0
 
July 17, 2019, 4 a.m. 11.7 ppb (11) 0.3 ppb (0) 10.0 ppb (9) 11.0 ppb (10) 9.5 ppb (9) 0.0 ppb (0) 28.0 ppb (22) 0.23 ppb (3) 31.0 μg/m3 (28) 12.9 μg/m3 (52) 52.0
 
July 17, 2019, 3 a.m. 9.1 ppb (8) 0.3 ppb (0) 7.7 ppb (7) 9.0 ppb (8) 7.2 ppb (7) 0.0 ppb (0) 33.0 ppb (25) 0.24 ppb (3) 25.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
July 17, 2019, 2 a.m. 8.8 ppb (8) 0.4 ppb (0) 7.2 ppb (7) 8.0 ppb (7) 6.6 ppb (6) 1.0 ppb (1) 33.0 ppb (25) 0.24 ppb (3) 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0