AQSQID: 401431127

Site Name: Tulsa

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

Reporting: True, Located: True

Current AQI: 54.0

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
Jan. 18, 2019, 7 p.m. 10.2 ppb (9) 2.0 ppb (2) 9.0 ppb (8) 8.0 ppb (7) 6.5 ppb (6) 1.0 ppb (1) 18.0 ppb (14) 0.21 ppb (2) 19.0 μg/m3 (17) 13.9 μg/m3 (54) 54.0
 
Jan. 18, 2019, 6 p.m. 9.1 ppb (8) 1.5 ppb (1) 8.3 ppb (8) 8.0 ppb (7) 6.4 ppb (6) 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) 20.0 μg/m3 (18) 14.8 μg/m3 (56) 56.0
 
Jan. 18, 2019, 5 p.m. 9.1 ppb (8) 1.7 ppb (2) 8.2 ppb (8) 7.0 ppb (6) 6.1 ppb (6) 1.0 ppb (1) 18.0 ppb (14) 0.19 ppb (2) 19.0 μg/m3 (17) 14.4 μg/m3 (55) 55.0
 
Jan. 18, 2019, 4 p.m. 8.9 ppb (8) 1.7 ppb (2) 8.1 ppb (8) 7.0 ppb (6) 6.2 ppb (6) 1.0 ppb (1) 16.0 ppb (12) 0.19 ppb (2) 20.0 μg/m3 (18) 14.8 μg/m3 (56) 56.0
 
Jan. 18, 2019, 3 p.m. 11.0 ppb (10) 2.3 ppb (2) 9.5 ppb (9) 9.0 ppb (8) 7.3 ppb (7) 1.0 ppb (1) 14.0 ppb (11) 0.21 ppb (2) 22.0 μg/m3 (20) 16.6 μg/m3 (60) 60.0
 
Jan. 18, 2019, 2 p.m. 10.7 ppb (10) 1.4 ppb (1) 10.1 ppb (9) 9.0 ppb (8) 8.4 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.22 ppb (2) 24.0 μg/m3 (22) 18.5 μg/m3 (64) 64.0
 
Jan. 18, 2019, 1 p.m. 10.5 ppb (10) 1.1 ppb (1) 9.8 ppb (9) 9.0 ppb (8) 8.6 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.21 ppb (2) 26.0 μg/m3 (24) 19.4 μg/m3 (66) 66.0
 
Jan. 18, 2019, noon 7.4 ppb (7) 0.6 ppb (1) 7.2 ppb (7) 7.0 ppb (6) 6.5 ppb (6) 1.0 ppb (1) 17.0 ppb (13) 0.18 ppb (2) 23.0 μg/m3 (21) 18.4 μg/m3 (64) 64.0
 
Jan. 18, 2019, 11 a.m. 8.8 ppb (8) 0.4 ppb (0) 8.4 ppb (8) 8.0 ppb (7) 8.1 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.18 ppb (2) 26.0 μg/m3 (24) 20.3 μg/m3 (68) 68.0
 
Jan. 18, 2019, 10 a.m. 7.4 ppb (7) 0.3 ppb (0) 7.3 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 1.0 ppb (1) 14.0 ppb (11) 0.18 ppb (2) 25.0 μg/m3 (23) 19.5 μg/m3 (66) 66.0
 
Jan. 18, 2019, 9 a.m. 6.3 ppb (6) 0.2 ppb (0) 6.3 ppb (6) 6.0 ppb (6) 6.2 ppb (6) 1.0 ppb (1) 15.0 ppb (12) 0.18 ppb (2) 25.0 μg/m3 (23) 19.0 μg/m3 (65) 65.0
 
Jan. 18, 2019, 8 a.m. 7.3 ppb (7) 0.3 ppb (0) 7.0 ppb (6) 7.0 ppb (6) 6.8 ppb (6) 1.0 ppb (1) 15.0 ppb (12) 0.18 ppb (2) 22.0 μg/m3 (20) 17.7 μg/m3 (62) 62.0
 
Jan. 18, 2019, 7 a.m. 7.1 ppb (7) 0.1 ppb (0) 6.9 ppb (6) 7.0 ppb (6) 6.7 ppb (6) 1.0 ppb (1) 15.0 ppb (12) 0.19 ppb (2) 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 18, 2019, 6 a.m. 8.7 ppb (8) 0.3 ppb (0) 8.2 ppb (8) 8.0 ppb (7) 7.9 ppb (7) 1.0 ppb (1) 13.0 ppb (10) 0.19 ppb (2) 24.0 μg/m3 (22) 19.5 μg/m3 (66) 66.0
 
Jan. 18, 2019, 5 a.m. 11.4 ppb (11) 0.7 ppb (1) 11.0 ppb (10) 11.0 ppb (10) 10.5 ppb (10) 1.0 ppb (1) 10.0 ppb (8) 0.2 ppb (2) 27.0 μg/m3 (25) 22.5 μg/m3 (72) 72.0
 
Jan. 18, 2019, 4 a.m. 11.2 ppb (10) 0.9 ppb (1) 10.8 ppb (10) 10.0 ppb (9) 9.9 ppb (9) 1.0 ppb (1) 11.0 ppb (8) 0.22 ppb (2) 26.0 μg/m3 (24) 19.6 μg/m3 (66) 66.0
 
Jan. 18, 2019, 3 a.m. 10.8 ppb (10) 1.8 ppb (2) 10.2 ppb (9) 9.0 ppb (8) 8.4 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.19 ppb (2) 22.0 μg/m3 (20) 16.8 μg/m3 (60) 60.0
 
Jan. 18, 2019, 2 a.m. 10.1 ppb (9) 1.6 ppb (1) 9.0 ppb (8) 9.0 ppb (8) 7.4 ppb (7) 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) 22.0 μg/m3 (20) 15.5 μg/m3 (57) 57.0
 
Jan. 18, 2019, 1 a.m. 17.6 ppb (16) 5.2 ppb (5) 14.8 ppb (14) 12.0 ppb (11) 9.9 ppb (9) 1.0 ppb (1) 11.0 ppb (8) 0.3 ppb (3) 21.0 μg/m3 (19) 15.5 μg/m3 (57) 57.0
 
Jan. 18, 2019, midnight 11.1 ppb (10) 2.1 ppb (2) 10.9 ppb (10) 9.0 ppb (8) 8.4 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.23 ppb (3) 20.0 μg/m3 (18) 15.1 μg/m3 (57) 57.0
 
Jan. 17, 2019, 11 p.m. 13.4 ppb (12) 3.7 ppb (3) 11.7 ppb (11) 10.0 ppb (9) 8.4 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.23 ppb (3) 20.0 μg/m3 (18) 14.4 μg/m3 (55) 55.0
 
Jan. 17, 2019, 10 p.m. 8.7 ppb (8) 1.7 ppb (2) 8.1 ppb (8) 7.0 ppb (6) 6.1 ppb (6) 1.0 ppb (1) 14.0 ppb (11) 0.21 ppb (2) 18.0 μg/m3 (16) 13.4 μg/m3 (53) 53.0
 
Jan. 17, 2019, 9 p.m. 7.5 ppb (7) 1.5 ppb (1) 7.2 ppb (7) 6.0 ppb (6) 5.3 ppb (5) 1.0 ppb (1) 14.0 ppb (11) 0.19 ppb (2) 17.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
Jan. 17, 2019, 8 p.m. 7.0 ppb (6) 1.7 ppb (2) 6.5 ppb (6) 5.0 ppb (5) 4.6 ppb (4) 1.0 ppb (1) 13.0 ppb (10) 0.19 ppb (2) 15.0 μg/m3 (14) 10.9 μg/m3 (45) 45.0
 
Jan. 17, 2019, 7 p.m. 5.9 ppb (5) 1.6 ppb (1) 5.6 ppb (5) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 12.0 ppb (9) 0.17 ppb (2) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 17, 2019, 6 p.m. 5.9 ppb (5) 1.7 ppb (2) 5.3 ppb (5) 4.0 ppb (4) 3.3 ppb (3) 1.0 ppb (1) 10.0 ppb (8) 0.18 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2019, 5 p.m. 5.2 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 9.0 ppb (7) 0.17 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Jan. 17, 2019, 4 p.m. 4.6 ppb (4) 1.2 ppb (1) 4.1 ppb (4) 3.0 ppb (3) 2.8 ppb (3) 1.0 ppb (1) 8.0 ppb (6) 0.18 ppb (2) N/A N/A 6.0
 
Jan. 17, 2019, 3 p.m. 5.1 ppb (5) 1.4 ppb (1) 4.8 ppb (4) 4.0 ppb (4) 3.3 ppb (3) 1.0 ppb (1) 7.0 ppb (5) 0.18 ppb (2) 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Jan. 17, 2019, 2 p.m. 5.1 ppb (5) 1.1 ppb (1) 4.5 ppb (4) 4.0 ppb (4) 3.4 ppb (3) 1.0 ppb (1) 6.0 ppb (5) 0.18 ppb (2) 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Jan. 17, 2019, 1 p.m. 5.3 ppb (5) 0.9 ppb (1) 4.7 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 9.0 ppb (7) 0.19 ppb (2) 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
Jan. 17, 2019, noon 4.9 ppb (5) 0.5 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 11.0 ppb (8) 0.18 ppb (2) 12.0 μg/m3 (11) 8.7 μg/m3 (36) 36.0
 
Jan. 17, 2019, 11 a.m. 4.9 ppb (5) 0.4 ppb (0) 4.2 ppb (4) 5.0 ppb (5) 3.7 ppb (3) 1.0 ppb (1) 10.0 ppb (8) 0.18 ppb (2) 12.0 μg/m3 (11) 9.2 μg/m3 (38) 38.0
 
Jan. 17, 2019, 10 a.m. 4.6 ppb (4) 0.2 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 10.0 ppb (8) 0.18 ppb (2) 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
Jan. 17, 2019, 9 a.m. 5.2 ppb (5) 0.4 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 3.9 ppb (4) 1.0 ppb (1) 10.0 ppb (8) 0.18 ppb (2) 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2019, 8 a.m. 5.4 ppb (5) 0.3 ppb (0) 4.6 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 1.0 ppb (1) 9.0 ppb (7) 0.19 ppb (2) 11.0 μg/m3 (10) 8.2 μg/m3 (34) 34.0
 
Jan. 17, 2019, 7 a.m. 8.3 ppb (8) 0.5 ppb (0) 6.7 ppb (6) 8.0 ppb (7) 6.3 ppb (6) 1.0 ppb (1) 8.0 ppb (6) 0.2 ppb (2) 16.0 μg/m3 (15) 12.4 μg/m3 (51) 51.0
 
Jan. 17, 2019, 6 a.m. 13.3 ppb (12) 1.6 ppb (1) 12.1 ppb (11) 12.0 ppb (11) 10.3 ppb (10) 1.0 ppb (1) 5.0 ppb (4) 0.22 ppb (2) 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Jan. 17, 2019, 5 a.m. 10.9 ppb (10) 1.3 ppb (1) 9.6 ppb (9) 10.0 ppb (9) 8.3 ppb (8) 1.0 ppb (1) 7.0 ppb (5) 0.22 ppb (2) 14.0 μg/m3 (13) 11.1 μg/m3 (46) 46.0
 
Jan. 17, 2019, 4 a.m. 15.4 ppb (14) 3.0 ppb (3) 13.2 ppb (12) 12.0 ppb (11) 10.4 ppb (10) 1.0 ppb (1) 6.0 ppb (5) 0.3 ppb (3) 19.0 μg/m3 (17) 14.6 μg/m3 (56) 56.0
 
Jan. 17, 2019, 3 a.m. 18.5 ppb (17) 2.9 ppb (3) 17.3 ppb (16) 16.0 ppb (15) 14.3 ppb (13) 1.0 ppb (1) 3.0 ppb (2) 0.3 ppb (3) 25.0 μg/m3 (23) 18.5 μg/m3 (64) 64.0
 
Jan. 17, 2019, 2 a.m. 18.2 ppb (17) 2.2 ppb (2) 16.6 ppb (15) 16.0 ppb (15) 14.3 ppb (13) 1.0 ppb (1) 4.0 ppb (3) 0.29 ppb (3) 22.0 μg/m3 (20) 17.1 μg/m3 (61) 61.0
 
Jan. 17, 2019, 1 a.m. 22.1 ppb (20) 5.1 ppb (5) 18.8 ppb (17) 17.0 ppb (16) 15.2 ppb (14) 1.0 ppb (1) 4.0 ppb (3) 0.31 ppb (3) 23.0 μg/m3 (21) 17.4 μg/m3 (61) 61.0
 
Jan. 17, 2019, midnight 15.8 ppb (15) 2.5 ppb (2) 14.0 ppb (13) 13.0 ppb (12) 11.9 ppb (11) 1.0 ppb (1) 8.0 ppb (6) 0.27 ppb (3) 24.0 μg/m3 (22) 18.6 μg/m3 (64) 64.0
 
Jan. 16, 2019, 11 p.m. 15.6 ppb (14) 3.3 ppb (3) 14.3 ppb (13) 12.0 ppb (11) 10.7 ppb (10) 1.0 ppb (1) 11.0 ppb (8) 0.24 ppb (3) 29.0 μg/m3 (26) 21.1 μg/m3 (69) 69.0
 
Jan. 16, 2019, 10 p.m. 12.2 ppb (11) 2.1 ppb (2) 11.1 ppb (10) 10.0 ppb (9) 8.9 ppb (8) 1.0 ppb (1) 15.0 ppb (12) 0.22 ppb (2) 32.0 μg/m3 (29) 22.8 μg/m3 (73) 73.0
 
Jan. 16, 2019, 9 p.m. 10.1 ppb (9) 1.2 ppb (1) 9.3 ppb (9) 9.0 ppb (8) 7.9 ppb (7) 1.0 ppb (1) 17.0 ppb (13) 0.2 ppb (2) 33.0 μg/m3 (30) 21.6 μg/m3 (70) 70.0
 
Jan. 16, 2019, 8 p.m. 10.5 ppb (10) 1.6 ppb (1) 9.5 ppb (9) 9.0 ppb (8) 7.6 ppb (7) 1.0 ppb (1) 17.0 ppb (13) 0.21 ppb (2) 31.0 μg/m3 (28) 20.4 μg/m3 (68) 68.0
 
Jan. 16, 2019, 7 p.m. 11.6 ppb (11) 2.2 ppb (2) 10.8 ppb (10) 9.0 ppb (8) 8.1 ppb (8) 1.0 ppb (1) 16.0 ppb (12) 0.21 ppb (2) 33.0 μg/m3 (30) 22.5 μg/m3 (72) 72.0
 
Jan. 16, 2019, 6 p.m. 13.4 ppb (12) 3.0 ppb (3) 12.5 ppb (12) 10.0 ppb (9) 9.0 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.23 ppb (3) 35.0 μg/m3 (32) 24.2 μg/m3 (76) 76.0
 
Jan. 16, 2019, 5 p.m. 15.1 ppb (14) 3.3 ppb (3) 14.7 ppb (14) 12.0 ppb (11) 10.7 ppb (10) 1.0 ppb (1) 12.0 ppb (9) 0.22 ppb (2) 39.0 μg/m3 (35) 25.5 μg/m3 (79) 79.0
 
Jan. 16, 2019, 4 p.m. 15.8 ppb (15) 3.0 ppb (3) 14.8 ppb (14) 13.0 ppb (12) 11.4 ppb (11) 1.0 ppb (1) 11.0 ppb (8) 0.22 ppb (2) 37.0 μg/m3 (34) 25.6 μg/m3 (79) 79.0
 
Jan. 16, 2019, 3 p.m. 17.3 ppb (16) 3.4 ppb (3) 16.1 ppb (15) 14.0 ppb (13) 12.6 ppb (12) 1.0 ppb (1) 9.0 ppb (7) 0.24 ppb (3) 39.0 μg/m3 (35) 26.7 μg/m3 (81) 81.0
 
Jan. 16, 2019, 2 p.m. 25.3 ppb (23) 6.8 ppb (6) 24.3 ppb (23) 18.0 ppb (17) 17.5 ppb (16) 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) 43.0 μg/m3 (39) 27.9 μg/m3 (84) 84.0
 
Jan. 16, 2019, 1 p.m. 21.0 ppb (19) 4.3 ppb (4) 20.2 ppb (19) 17.0 ppb (16) 15.9 ppb (15) 1.0 ppb (1) 6.0 ppb (5) 0.25 ppb (3) 38.0 μg/m3 (35) 26.6 μg/m3 (81) 81.0
 
Jan. 16, 2019, noon 14.4 ppb (13) 1.4 ppb (1) 14.3 ppb (13) 13.0 ppb (12) 12.7 ppb (12) 1.0 ppb (1) 8.0 ppb (6) 0.21 ppb (2) 35.0 μg/m3 (32) 25.5 μg/m3 (79) 79.0
 
Jan. 16, 2019, 11 a.m. 11.2 ppb (10) 0.4 ppb (0) 11.2 ppb (10) 11.0 ppb (10) 10.9 ppb (10) 1.0 ppb (1) 10.0 ppb (8) 0.19 ppb (2) 33.0 μg/m3 (30) 24.8 μg/m3 (77) 77.0
 
Jan. 16, 2019, 10 a.m. 8.1 ppb (8) 0.2 ppb (0) 8.3 ppb (8) 8.0 ppb (7) 8.1 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.18 ppb (2) N/A 24.1 μg/m3 (76) 76.0
 
Jan. 16, 2019, 9 a.m. 6.9 ppb (6) 0.1 ppb (0) 7.2 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 1.0 ppb (1) 15.0 ppb (12) 0.18 ppb (2) N/A 23.7 μg/m3 (75) 75.0
 
Jan. 16, 2019, 8 a.m. 7.0 ppb (6) 0.1 ppb (0) 7.1 ppb (7) 7.0 ppb (6) 7.0 ppb (6) 1.0 ppb (1) 14.0 ppb (11) 0.17 ppb (2) N/A 23.7 μg/m3 (75) 75.0
 
Jan. 16, 2019, 7 a.m. 9.0 ppb (8) 0.2 ppb (0) 9.0 ppb (8) 9.0 ppb (8) 8.8 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.17 ppb (2) N/A 23.1 μg/m3 (74) 74.0
 
Jan. 16, 2019, 6 a.m. 6.8 ppb (6) 0.1 ppb (0) 7.3 ppb (7) 7.0 ppb (6) 7.2 ppb (7) 1.0 ppb (1) 15.0 ppb (12) 0.17 ppb (2) 30.0 μg/m3 (27) 22.5 μg/m3 (72) 72.0
 
Jan. 16, 2019, 5 a.m. 9.2 ppb (9) 0.2 ppb (0) 9.0 ppb (8) 9.0 ppb (8) 8.9 ppb (8) 1.0 ppb (1) 13.0 ppb (10) 0.17 ppb (2) 28.0 μg/m3 (25) 20.6 μg/m3 (68) 68.0
 
Jan. 16, 2019, 4 a.m. 8.4 ppb (8) 0.2 ppb (0) 8.3 ppb (8) 8.0 ppb (7) 8.1 ppb (8) 1.0 ppb (1) 14.0 ppb (11) 0.16 ppb (2) 26.0 μg/m3 (24) 18.9 μg/m3 (65) 65.0
 
Jan. 16, 2019, 3 a.m. 8.3 ppb (8) 0.2 ppb (0) 7.8 ppb (7) 8.0 ppb (7) 7.7 ppb (7) 1.0 ppb (1) 15.0 ppb (12) 0.16 ppb (2) 24.0 μg/m3 (22) 17.5 μg/m3 (62) 62.0
 
Jan. 16, 2019, 2 a.m. 10.2 ppb (9) 0.2 ppb (0) 9.9 ppb (9) 10.0 ppb (9) 9.7 ppb (9) 1.0 ppb (1) 15.0 ppb (12) 0.18 ppb (2) 26.0 μg/m3 (24) 18.3 μg/m3 (63) 63.0
 
Jan. 16, 2019, 1 a.m. 12.5 ppb (12) 0.3 ppb (0) 11.9 ppb (11) 12.0 ppb (11) 11.6 ppb (11) 1.0 ppb (1) 14.0 ppb (11) 0.2 ppb (2) 28.0 μg/m3 (25) 19.5 μg/m3 (66) 66.0
 
Jan. 16, 2019, midnight 17.9 ppb (17) 1.9 ppb (2) 17.2 ppb (16) 16.0 ppb (15) 15.2 ppb (14) 1.0 ppb (1) 9.0 ppb (7) 0.27 ppb (3) 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
Jan. 15, 2019, 11 p.m. N/A N/A 11.9 ppb (11) N/A 10.9 ppb (10) 1.0 ppb (1) 17.0 ppb (13) N/A 28.0 μg/m3 (25) 16.4 μg/m3 (59) 59.0
 
Jan. 15, 2019, 10 p.m. N/A N/A 8.7 ppb (8) N/A 7.5 ppb (7) 1.0 ppb (1) 24.0 ppb (18) N/A 23.0 μg/m3 (21) 13.5 μg/m3 (53) 53.0
 
Jan. 15, 2019, 9 p.m. N/A N/A 9.6 ppb (9) N/A 7.6 ppb (7) 1.0 ppb (1) N/A N/A 24.0 μg/m3 (22) 14.8 μg/m3 (56) 56.0
 
Jan. 15, 2019, 8 p.m. N/A N/A 10.9 ppb (10) N/A 8.4 ppb (8) 1.0 ppb (1) N/A 0.18 ppb (2) 28.0 μg/m3 (25) 17.8 μg/m3 (62) 62.0
 
Jan. 15, 2019, 7 p.m. N/A N/A 12.6 ppb (12) N/A 8.6 ppb (8) 1.0 ppb (1) 21.0 ppb (16) 0.19 ppb (2) 33.0 μg/m3 (30) 20.2 μg/m3 (67) 67.0
 
Jan. 15, 2019, 6 p.m. N/A N/A 14.2 ppb (13) N/A 8.8 ppb (8) 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) 34.0 μg/m3 (31) 21.4 μg/m3 (70) 70.0
 
Jan. 15, 2019, 5 p.m. 22.3 ppb (21) 8.0 ppb (7) 20.2 ppb (19) 14.0 ppb (13) 10.9 ppb (10) 1.0 ppb (1) 14.0 ppb (11) 0.21 ppb (2) 33.0 μg/m3 (30) 22.1 μg/m3 (71) 71.0
 
Jan. 15, 2019, 4 p.m. 25.6 ppb (24) 10.3 ppb (10) 24.7 ppb (23) 15.0 ppb (14) 12.5 ppb (12) 1.0 ppb (1) 11.0 ppb (8) 0.21 ppb (2) 35.0 μg/m3 (32) 23.0 μg/m3 (73) 73.0
 
Jan. 15, 2019, 3 p.m. 18.9 ppb (18) 5.9 ppb (5) 17.9 ppb (17) 13.0 ppb (12) 10.7 ppb (10) 1.0 ppb (1) 12.0 ppb (9) 0.21 ppb (2) 31.0 μg/m3 (28) 21.9 μg/m3 (71) 71.0
 
Jan. 15, 2019, 2 p.m. 22.4 ppb (21) 5.7 ppb (5) 20.4 ppb (19) 17.0 ppb (16) 14.1 ppb (13) 1.0 ppb (1) 8.0 ppb (6) 0.24 ppb (3) 31.0 μg/m3 (28) 21.9 μg/m3 (71) 71.0
 
Jan. 15, 2019, 1 p.m. 27.6 ppb (26) 7.1 ppb (7) 26.1 ppb (24) 21.0 ppb (19) 18.7 ppb (17) 1.0 ppb (1) 4.0 ppb (3) 0.28 ppb (3) 32.0 μg/m3 (29) 21.8 μg/m3 (71) 71.0
 
Jan. 15, 2019, noon 20.2 ppb (19) 3.1 ppb (3) 18.9 ppb (18) 17.0 ppb (16) 15.6 ppb (14) 1.0 ppb (1) 7.0 ppb (5) 0.23 ppb (3) 28.0 μg/m3 (25) 20.9 μg/m3 (69) 69.0
 
Jan. 15, 2019, 11 a.m. 28.5 ppb (26) 12.9 ppb (12) 23.3 ppb (22) 16.0 ppb (15) 15.7 ppb (15) 1.0 ppb (1) 3.0 ppb (2) 0.31 ppb (3) 30.0 μg/m3 (27) 21.7 μg/m3 (71) 71.0
 
Jan. 15, 2019, 10 a.m. 23.1 ppb (21) 5.9 ppb (5) 19.9 ppb (18) 17.0 ppb (16) 17.7 ppb (16) 1.0 ppb (1) 4.0 ppb (3) 0.24 ppb (3) 29.0 μg/m3 (26) 20.6 μg/m3 (68) 68.0
 
Jan. 15, 2019, 9 a.m. 22.1 ppb (20) 4.3 ppb (4) 19.8 ppb (18) 18.0 ppb (17) 17.4 ppb (16) 1.0 ppb (1) 5.0 ppb (4) 0.26 ppb (3) 29.0 μg/m3 (26) 21.8 μg/m3 (71) 71.0
 
Jan. 15, 2019, 8 a.m. 35.0 ppb (32) 20.5 ppb (19) 30.6 ppb (28) 15.0 ppb (14) 17.1 ppb (16) 1.0 ppb (1) 0.0 ppb (0) 0.46 ppb (5) 28.0 μg/m3 (25) 19.7 μg/m3 (66) 66.0
 
Jan. 15, 2019, 7 a.m. 42.4 ppb (39) 27.5 ppb (25) 48.0 ppb (44) 15.0 ppb (14) 17.6 ppb (16) 1.0 ppb (1) 0.0 ppb (0) 0.47 ppb (5) 29.0 μg/m3 (26) 19.1 μg/m3 (65) 65.0
 
Jan. 15, 2019, 6 a.m. 46.3 ppb (43) 28.1 ppb (26) 47.4 ppb (44) 18.0 ppb (17) 20.7 ppb (19) 1.0 ppb (1) 0.0 ppb (0) 0.5 ppb (6) 29.0 μg/m3 (26) 19.6 μg/m3 (66) 66.0
 
Jan. 15, 2019, 5 a.m. 55.2 ppb (51) 38.8 ppb (36) 53.5 ppb (50) 16.0 ppb (15) 22.4 ppb (21) 1.0 ppb (1) 0.0 ppb (0) 0.58 ppb (6) 32.0 μg/m3 (29) 19.3 μg/m3 (66) 66.0
 
Jan. 15, 2019, 4 a.m. 63.5 ppb (60) 45.0 ppb (42) 42.0 ppb (39) 18.0 ppb (17) 21.9 ppb (20) 1.0 ppb (1) 0.0 ppb (0) 1.04 ppb (12) 37.0 μg/m3 (34) 22.0 μg/m3 (71) 71.0
 
Jan. 15, 2019, 3 a.m. 60.3 ppb (57) 39.2 ppb (36) 54.2 ppb (50) 21.0 ppb (19) 24.6 ppb (23) 1.0 ppb (1) 0.0 ppb (0) 0.69 ppb (8) 37.0 μg/m3 (34) 23.0 μg/m3 (73) 73.0
 
Jan. 15, 2019, 2 a.m. 53.6 ppb (50) 27.6 ppb (26) 61.7 ppb (58) 26.0 ppb (24) 26.5 ppb (25) 1.0 ppb (1) 0.0 ppb (0) 0.6 ppb (7) 37.0 μg/m3 (34) 21.3 μg/m3 (70) 70.0
 
Jan. 15, 2019, 1 a.m. 38.2 ppb (35) 10.4 ppb (10) 40.6 ppb (38) 28.0 ppb (26) 28.7 ppb (27) 1.0 ppb (1) 0.0 ppb (0) 0.41 ppb (5) 34.0 μg/m3 (31) 19.3 μg/m3 (66) 66.0
 
Jan. 15, 2019, midnight 31.4 ppb (29) 8.1 ppb (8) 24.6 ppb (23) 23.0 ppb (21) 20.1 ppb (19) 1.0 ppb (1) 7.0 ppb (5) 0.45 ppb (5) 33.0 μg/m3 (30) 18.8 μg/m3 (64) 64.0
 
Jan. 14, 2019, 11 p.m. 23.1 ppb (21) 2.8 ppb (3) 21.8 ppb (20) 20.0 ppb (19) 18.6 ppb (17) 1.0 ppb (1) 13.0 ppb (10) 0.27 ppb (3) 32.0 μg/m3 (29) 20.5 μg/m3 (68) 68.0
 
Jan. 14, 2019, 10 p.m. 21.9 ppb (20) 3.4 ppb (3) 19.8 ppb (18) 19.0 ppb (18) 16.4 ppb (15) 1.0 ppb (1) 16.0 ppb (12) 0.24 ppb (3) 32.0 μg/m3 (29) 20.9 μg/m3 (69) 69.0
 
Jan. 14, 2019, 9 p.m. 14.1 ppb (13) 1.6 ppb (1) 13.9 ppb (13) 12.0 ppb (11) 11.6 ppb (11) 1.0 ppb (1) 22.0 ppb (17) 0.18 ppb (2) 29.0 μg/m3 (26) 19.7 μg/m3 (66) 66.0
 
Jan. 14, 2019, 8 p.m. 14.2 ppb (13) 1.7 ppb (2) 14.5 ppb (13) 13.0 ppb (12) 12.2 ppb (11) 1.0 ppb (1) 23.0 ppb (18) 0.17 ppb (2) 34.0 μg/m3 (31) 21.8 μg/m3 (71) 71.0
 
Jan. 14, 2019, 7 p.m. 6.1 ppb (6) 0.6 ppb (1) 6.5 ppb (6) 6.0 ppb (6) 5.6 ppb (5) 1.0 ppb (1) 27.0 ppb (21) 0.15 ppb (2) 23.0 μg/m3 (21) 16.2 μg/m3 (59) 59.0
 
Jan. 14, 2019, 6 p.m. 7.9 ppb (7) 0.8 ppb (1) 7.8 ppb (7) 7.0 ppb (6) 6.6 ppb (6) 1.0 ppb (1) 26.0 ppb (20) 0.15 ppb (2) 25.0 μg/m3 (23) 17.2 μg/m3 (61) 61.0
 
Jan. 14, 2019, 5 p.m. 5.7 ppb (5) 0.6 ppb (1) 6.0 ppb (6) 5.0 ppb (5) 5.1 ppb (5) 1.0 ppb (1) 27.0 ppb (21) 0.15 ppb (2) 22.0 μg/m3 (20) 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2019, 4 p.m. 2.7 ppb (3) 0.1 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 2.7 ppb (3) 1.0 ppb (1) 28.0 ppb (22) 0.14 ppb (2) 18.0 μg/m3 (16) 13.8 μg/m3 (54) 54.0
 
Jan. 14, 2019, 3 p.m. 3.0 ppb (3) 0.2 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 2.9 ppb (3) 1.0 ppb (1) 28.0 ppb (22) 0.15 ppb (2) 23.0 μg/m3 (21) 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, 2 p.m. 3.6 ppb (3) 0.2 ppb (0) 3.6 ppb (3) 3.0 ppb (3) 3.3 ppb (3) 1.0 ppb (1) 27.0 ppb (21) 0.15 ppb (2) 18.0 μg/m3 (16) 14.2 μg/m3 (55) 55.0
 
Jan. 14, 2019, 1 p.m. 3.3 ppb (3) 0.1 ppb (0) 3.6 ppb (3) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 27.0 ppb (21) 0.15 ppb (2) 21.0 μg/m3 (19) 16.1 μg/m3 (59) 59.0
 
Jan. 14, 2019, noon 3.1 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) 3.2 ppb (3) 1.0 ppb (1) 27.0 ppb (21) 0.17 ppb (2) 19.0 μg/m3 (17) 15.7 μg/m3 (58) 58.0
 
Jan. 14, 2019, 11 a.m. 2.8 ppb (3) 0.0 ppb (0) 3.2 ppb (3) 3.0 ppb (3) 3.1 ppb (3) 1.0 ppb (1) 28.0 ppb (22) 0.15 ppb (2) 21.0 μg/m3 (19) 17.0 μg/m3 (61) 61.0
 
Jan. 14, 2019, 10 a.m. 2.8 ppb (3) 0.0 ppb (0) 3.4 ppb (3) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 29.0 ppb (22) 0.14 ppb (2) 20.0 μg/m3 (18) 16.8 μg/m3 (60) 60.0
 
Jan. 14, 2019, 9 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.4 ppb (3) 3.0 ppb (3) 3.3 ppb (3) 1.0 ppb (1) 29.0 ppb (22) 0.14 ppb (2) 19.0 μg/m3 (17) 16.1 μg/m3 (59) 59.0
 
Jan. 14, 2019, 8 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.5 ppb (3) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 30.0 ppb (23) 0.14 ppb (2) 19.0 μg/m3 (17) 15.8 μg/m3 (58) 58.0
 
Jan. 14, 2019, 7 a.m. 3.0 ppb (3) 0.1 ppb (0) 3.2 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 1.0 ppb (1) 31.0 ppb (24) 0.14 ppb (2) 18.0 μg/m3 (16) 14.7 μg/m3 (56) 56.0
 
Jan. 14, 2019, 6 a.m. 3.3 ppb (3) 0.1 ppb (0) 3.7 ppb (3) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 31.0 ppb (24) 0.15 ppb (2) 17.0 μg/m3 (15) 14.5 μg/m3 (55) 55.0
 
Jan. 14, 2019, 5 a.m. 3.8 ppb (4) 0.2 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 30.0 ppb (23) 0.15 ppb (2) 18.0 μg/m3 (16) 14.9 μg/m3 (56) 56.0
 
Jan. 14, 2019, 4 a.m. 4.0 ppb (4) 0.2 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 1.0 ppb (1) 30.0 ppb (23) 0.15 ppb (2) 20.0 μg/m3 (18) 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, 3 a.m. 5.3 ppb (5) 0.5 ppb (0) 5.4 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 1.0 ppb (1) 30.0 ppb (23) 0.16 ppb (2) 19.0 μg/m3 (17) 15.3 μg/m3 (57) 57.0
 
Jan. 14, 2019, 2 a.m. 3.8 ppb (4) 0.2 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.4 ppb (3) 1.0 ppb (1) 33.0 ppb (25) 0.15 ppb (2) 16.0 μg/m3 (15) 13.2 μg/m3 (53) 53.0
 
Jan. 14, 2019, 1 a.m. 5.8 ppb (5) 0.4 ppb (0) 5.4 ppb (5) 5.0 ppb (5) 4.7 ppb (4) 1.0 ppb (1) 30.0 ppb (23) 0.17 ppb (2) 20.0 μg/m3 (18) 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2019, midnight 5.1 ppb (5) 0.3 ppb (0) 5.3 ppb (5) 5.0 ppb (5) 4.9 ppb (5) 1.0 ppb (1) 28.0 ppb (22) 0.16 ppb (2) 22.0 μg/m3 (20) 17.8 μg/m3 (62) 62.0
 
Jan. 13, 2019, 11 p.m. 6.6 ppb (6) 0.8 ppb (1) 7.1 ppb (7) 6.0 ppb (6) 5.9 ppb (5) 1.0 ppb (1) 27.0 ppb (21) 0.17 ppb (2) 24.0 μg/m3 (22) 19.3 μg/m3 (66) 66.0
 
Jan. 13, 2019, 10 p.m. 6.2 ppb (6) 0.7 ppb (1) 6.7 ppb (6) 5.0 ppb (5) 5.7 ppb (5) 1.0 ppb (1) 25.0 ppb (19) 0.18 ppb (2) 25.0 μg/m3 (23) 21.4 μg/m3 (70) 70.0
 
Jan. 13, 2019, 9 p.m. 4.5 ppb (4) 0.5 ppb (0) 4.9 ppb (5) 4.0 ppb (4) 4.2 ppb (4) 1.0 ppb (1) 26.0 ppb (20) 0.17 ppb (2) 22.0 μg/m3 (20) 19.5 μg/m3 (66) 66.0
 
Jan. 13, 2019, 8 p.m. 4.5 ppb (4) 0.5 ppb (0) 4.8 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 1.0 ppb (1) 27.0 ppb (21) 0.16 ppb (2) 21.0 μg/m3 (19) 18.4 μg/m3 (64) 64.0
 
Jan. 13, 2019, 7 p.m. 3.8 ppb (4) 0.4 ppb (0) 3.9 ppb (4) 3.0 ppb (3) 3.3 ppb (3) 1.0 ppb (1) 27.0 ppb (21) 0.16 ppb (2) 19.0 μg/m3 (17) 16.8 μg/m3 (60) 60.0
 
Jan. 13, 2019, 6 p.m. 4.0 ppb (4) 0.5 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.3 ppb (3) 1.0 ppb (1) 26.0 ppb (20) 0.16 ppb (2) 19.0 μg/m3 (17) 16.9 μg/m3 (60) 60.0
 
Jan. 13, 2019, 5 p.m. 4.7 ppb (4) 0.7 ppb (1) 4.8 ppb (4) 4.0 ppb (4) 4.0 ppb (4) 1.0 ppb (1) 23.0 ppb (18) 0.17 ppb (2) 20.0 μg/m3 (18) 18.8 μg/m3 (64) 64.0
 
Jan. 13, 2019, 4 p.m. 4.3 ppb (4) 0.7 ppb (1) 4.6 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 20.0 ppb (15) 0.17 ppb (2) 21.0 μg/m3 (19) 20.1 μg/m3 (67) 67.0
 
Jan. 13, 2019, 3 p.m. 3.7 ppb (3) 0.4 ppb (0) 3.9 ppb (4) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) 21.0 μg/m3 (19) 20.2 μg/m3 (67) 67.0
 
Jan. 13, 2019, 2 p.m. 3.5 ppb (3) 0.3 ppb (0) 3.7 ppb (3) 3.0 ppb (3) 3.3 ppb (3) 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) 20.0 μg/m3 (18) 18.9 μg/m3 (65) 65.0
 
Jan. 13, 2019, 1 p.m. 3.4 ppb (3) 0.2 ppb (0) 3.5 ppb (3) 3.0 ppb (3) 3.4 ppb (3) 1.0 ppb (1) 21.0 ppb (16) 0.15 ppb (2) 20.0 μg/m3 (18) 18.8 μg/m3 (64) 64.0
 
Jan. 13, 2019, noon 3.0 ppb (3) 0.1 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 1.0 ppb (1) 22.0 ppb (17) 0.15 ppb (2) 18.0 μg/m3 (16) 16.9 μg/m3 (60) 60.0
 
Jan. 13, 2019, 11 a.m. 3.2 ppb (3) 0.1 ppb (0) 3.1 ppb (3) 3.0 ppb (3) 3.0 ppb (3) 1.0 ppb (1) 22.0 ppb (17) 0.15 ppb (2) 19.0 μg/m3 (17) 17.4 μg/m3 (61) 61.0
 
Jan. 13, 2019, 10 a.m. 3.8 ppb (4) 0.2 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 19.0 ppb (15) 0.15 ppb (2) 21.0 μg/m3 (19) 19.6 μg/m3 (66) 66.0
 
Jan. 13, 2019, 9 a.m. 3.7 ppb (3) 0.1 ppb (0) 3.7 ppb (3) 4.0 ppb (4) 3.5 ppb (3) 1.0 ppb (1) 20.0 ppb (15) 0.15 ppb (2) 20.0 μg/m3 (18) 18.5 μg/m3 (64) 64.0
 
Jan. 13, 2019, 8 a.m. 4.0 ppb (4) 0.2 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.8 ppb (4) 1.0 ppb (1) 20.0 ppb (15) 0.15 ppb (2) 22.0 μg/m3 (20) 20.4 μg/m3 (68) 68.0
 
Jan. 13, 2019, 7 a.m. 4.5 ppb (4) 0.2 ppb (0) 5.0 ppb (5) 4.0 ppb (4) 4.8 ppb (4) 1.0 ppb (1) 16.0 ppb (12) 0.16 ppb (2) 30.0 μg/m3 (27) 26.3 μg/m3 (80) 80.0
 
Jan. 13, 2019, 6 a.m. 4.3 ppb (4) 0.3 ppb (0) 4.8 ppb (4) 4.0 ppb (4) 4.4 ppb (4) 1.0 ppb (1) 17.0 ppb (13) 0.16 ppb (2) 27.0 μg/m3 (25) 25.1 μg/m3 (78) 78.0
 
Jan. 13, 2019, 5 a.m. 3.7 ppb (3) 0.2 ppb (0) 3.9 ppb (4) 3.0 ppb (3) 3.7 ppb (3) 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) 22.0 μg/m3 (20) 20.1 μg/m3 (67) 67.0
 
Jan. 13, 2019, 4 a.m. 3.7 ppb (3) 0.3 ppb (0) 3.9 ppb (4) 3.0 ppb (3) 3.5 ppb (3) 1.0 ppb (1) 19.0 ppb (15) 0.16 ppb (2) 22.0 μg/m3 (20) 20.3 μg/m3 (68) 68.0
 
Jan. 13, 2019, 3 a.m. 3.9 ppb (4) 0.2 ppb (0) 3.9 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.17 ppb (2) 21.0 μg/m3 (19) 18.8 μg/m3 (64) 64.0
 
Jan. 13, 2019, 2 a.m. 4.1 ppb (4) 0.3 ppb (0) 4.0 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.17 ppb (2) 20.0 μg/m3 (18) 17.9 μg/m3 (63) 63.0
 
Jan. 13, 2019, 1 a.m. 4.4 ppb (4) 0.3 ppb (0) 4.1 ppb (4) 4.0 ppb (4) 3.7 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.17 ppb (2) 20.0 μg/m3 (18) 17.4 μg/m3 (61) 61.0
 
Jan. 13, 2019, midnight 5.0 ppb (5) 0.4 ppb (0) 4.5 ppb (4) 5.0 ppb (5) 4.1 ppb (4) 1.0 ppb (1) 17.0 ppb (13) 0.17 ppb (2) 18.0 μg/m3 (16) 15.5 μg/m3 (57) 57.0
 
Jan. 12, 2019, 11 p.m. 4.7 ppb (4) 0.5 ppb (0) 4.2 ppb (4) 4.0 ppb (4) 3.6 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.17 ppb (2) 15.0 μg/m3 (14) 12.1 μg/m3 (50) 50.0
 
Jan. 12, 2019, 10 p.m. 4.1 ppb (4) 0.5 ppb (0) 3.6 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 1.0 ppb (1) 18.0 ppb (14) 0.17 ppb (2) 13.0 μg/m3 (12) 9.8 μg/m3 (41) 41.0
 
Jan. 12, 2019, 9 p.m. 3.8 ppb (4) 0.7 ppb (1) 3.1 ppb (3) 3.0 ppb (3) 2.4 ppb (2) 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) 7.0 μg/m3 (6) 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2019, 8 p.m. 4.0 ppb (4) 0.6 ppb (1) 3.3 ppb (3) 3.0 ppb (3) 2.6 ppb (2) 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) 3.0 μg/m3 (3) 2.4 μg/m3 (10) 16.0
 
Jan. 12, 2019, 7 p.m. 3.4 ppb (3) 0.7 ppb (1) 2.9 ppb (3) 3.0 ppb (3) 1.9 ppb (2) 1.0 ppb (1) 22.0 ppb (17) 0.15 ppb (2) 1.0 μg/m3 (1) 0.9 μg/m3 (4) 17.0
 
Jan. 12, 2019, 6 p.m. 2.6 ppb (2) 0.5 ppb (0) 1.9 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 1.0 ppb (1) 23.0 ppb (18) 0.14 ppb (2) 1.0 μg/m3 (1) 0.6 μg/m3 (2) 18.0
 
Jan. 12, 2019, 5 p.m. 2.5 ppb (2) 0.4 ppb (0) 2.0 ppb (2) 2.0 ppb (2) 1.4 ppb (1) 1.0 ppb (1) 23.0 ppb (18) 0.14 ppb (2) 0.0 μg/m3 (0) 0.4 μg/m3 (2) 18.0
 
Jan. 12, 2019, 4 p.m. 3.1 ppb (3) 0.4 ppb (0) 2.4 ppb (2) 3.0 ppb (3) 1.8 ppb (2) 1.0 ppb (1) 25.0 ppb (19) 0.14 ppb (2) 1.0 μg/m3 (1) 1.1 μg/m3 (5) 19.0
 
Jan. 12, 2019, 3 p.m. 2.9 ppb (3) 0.4 ppb (0) 2.3 ppb (2) 3.0 ppb (3) 1.5 ppb (1) 1.0 ppb (1) 26.0 ppb (20) 0.14 ppb (2) 4.0 μg/m3 (4) 2.8 μg/m3 (12) 20.0
 
Jan. 12, 2019, 2 p.m. 3.9 ppb (4) 0.5 ppb (0) 3.0 ppb (3) 3.0 ppb (3) 2.2 ppb (2) 1.0 ppb (1) 26.0 ppb (20) 0.14 ppb (2) 6.0 μg/m3 (5) 3.9 μg/m3 (16) 20.0
 
Jan. 12, 2019, 1 p.m. 6.6 ppb (6) 1.6 ppb (1) 3.5 ppb (3) 5.0 ppb (5) 3.0 ppb (3) 1.0 ppb (1) 25.0 ppb (19) 0.19 ppb (2) 5.0 μg/m3 (5) 3.4 μg/m3 (14) 19.0
 
Jan. 12, 2019, noon 3.2 ppb (3) 0.4 ppb (0) 2.5 ppb (2) 3.0 ppb (3) 2.2 ppb (2) 1.0 ppb (1) 25.0 ppb (19) 0.15 ppb (2) 5.0 μg/m3 (5) 3.5 μg/m3 (15) 19.0
 
Jan. 12, 2019, 11 a.m. 3.8 ppb (4) 0.2 ppb (0) 3.3 ppb (3) 4.0 ppb (4) 3.0 ppb (3) 1.0 ppb (1) 23.0 ppb (18) 0.15 ppb (2) 8.0 μg/m3 (7) 5.3 μg/m3 (22) 22.0
 
Jan. 12, 2019, 10 a.m. 5.4 ppb (5) 0.2 ppb (0) 4.7 ppb (4) 5.0 ppb (5) 4.4 ppb (4) 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 9 a.m. 5.8 ppb (5) 0.4 ppb (0) 5.0 ppb (5) 5.0 ppb (5) 4.6 ppb (4) 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) 12.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
Jan. 12, 2019, 8 a.m. 6.2 ppb (6) 0.5 ppb (0) 5.7 ppb (5) 6.0 ppb (6) 5.1 ppb (5) 1.0 ppb (1) 20.0 ppb (15) 0.16 ppb (2) 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
Jan. 12, 2019, 7 a.m. 4.7 ppb (4) 0.2 ppb (0) 4.2 ppb (4) 5.0 ppb (5) 4.0 ppb (4) 1.0 ppb (1) 21.0 ppb (16) 0.16 ppb (2) 9.0 μg/m3 (8) 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2019, 6 a.m. 5.0 ppb (5) 0.2 ppb (0) 4.4 ppb (4) 5.0 ppb (5) 4.2 ppb (4) 1.0 ppb (1) 22.0 ppb (17) 0.16 ppb (2) 9.0 μg/m3 (8) 6.3 μg/m3 (26) 26.0
 
Jan. 12, 2019, 5 a.m. 5.9 ppb (5) 0.2 ppb (0) 5.1 ppb (5) 6.0 ppb (6) 4.9 ppb (5) 1.0 ppb (1) 20.0 ppb (15) 0.17 ppb (2) 10.0 μg/m3 (9) 6.8 μg/m3 (28) 28.0
 
Jan. 12, 2019, 4 a.m. 6.3 ppb (6) 0.3 ppb (0) 5.6 ppb (5) 6.0 ppb (6) 5.2 ppb (5) 1.0 ppb (1) 20.0 ppb (15) 0.17 ppb (2) 11.0 μg/m3 (10) 7.5 μg/m3 (31) 31.0
 
Jan. 12, 2019, 3 a.m. 8.4 ppb (8) 0.5 ppb (0) 7.3 ppb (7) 8.0 ppb (7) 6.8 ppb (6) 1.0 ppb (1) 18.0 ppb (14) 0.19 ppb (2) 14.0 μg/m3 (13) 10.1 μg/m3 (42) 42.0
 
Jan. 12, 2019, 2 a.m. 9.0 ppb (8) 0.5 ppb (0) 8.0 ppb (7) 8.0 ppb (7) 7.4 ppb (7) 1.0 ppb (1) 18.0 ppb (14) 0.19 ppb (2) 13.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2019, 1 a.m. 9.3 ppb (9) 0.7 ppb (1) 8.2 ppb (8) 9.0 ppb (8) 7.5 ppb (7) 1.0 ppb (1) 18.0 ppb (14) 0.21 ppb (2) 13.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
Jan. 12, 2019, midnight 11.3 ppb (10) 1.3 ppb (1) 9.6 ppb (9) 10.0 ppb (9) 8.2 ppb (8) 1.0 ppb (1) 17.0 ppb (13) 0.22 ppb (2) 12.0 μg/m3 (11) 8.9 μg/m3 (37) 37.0
 
Jan. 11, 2019, 11 p.m. 12.8 ppb (12) 1.3 ppb (1) 11.5 ppb (11) 12.0 ppb (11) 10.0 ppb (9) 1.0 ppb (1) 15.0 ppb (12) 0.24 ppb (3) 13.0 μg/m3 (12) 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2019, 10 p.m. 11.7 ppb (11) 1.4 ppb (1) 10.4 ppb (10) 10.0 ppb (9) 9.0 ppb (8) 1.0 ppb (1) 17.0 ppb (13) 0.25 ppb (3) 14.0 μg/m3 (13) 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2019, 9 p.m. 10.2 ppb (9) 1.4 ppb (1) 8.9 ppb (8) 9.0 ppb (8) 7.5 ppb (7) 1.0 ppb (1) 19.0 ppb (15) 0.23 ppb (3) 12.0 μg/m3 (11) 8.7 μg/m3 (36) 36.0
 
Jan. 11, 2019, 8 p.m. 10.6 ppb (10) 1.4 ppb (1) 9.4 ppb (9) 9.0 ppb (8) 7.8 ppb (7) 1.0 ppb (1) 18.0 ppb (14) 0.2 ppb (2) 12.0 μg/m3 (11) 8.5 μg/m3 (35) 35.0