AQSQID: 390610040

Site Name: Taft

Location: Cincinnati (Corryville), OH

Reporting: True, Located: True

Current AQI: 15.0

Cincinnati (Corryville) OH, US: 39.12886, -84.50404

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.18 ppb (2) N/A N/A 15.0
 
Jan. 26, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 18.0 μg/m3 (16) 14.4 μg/m3 (55) 55.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) 19.0 μg/m3 (17) 20.3 μg/m3 (68) 68.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) 19.0 μg/m3 (17) 18.5 μg/m3 (64) 64.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 15.0 μg/m3 (14) 13.2 μg/m3 (53) 53.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 17.0 μg/m3 (15) 14.0 μg/m3 (54) 54.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.24 ppb (3) 15.0 μg/m3 (14) 17.3 μg/m3 (61) 61.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.26 ppb (3) 14.0 μg/m3 (13) 17.6 μg/m3 (62) 62.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.24 ppb (3) 13.0 μg/m3 (12) 18.4 μg/m3 (64) 64.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.22 ppb (2) 8.0 μg/m3 (7) 14.9 μg/m3 (56) 56.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.23 ppb (3) 12.0 μg/m3 (11) 11.6 μg/m3 (48) 48.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 11.0 ppb (8) 0.22 ppb (2) 12.0 μg/m3 (11) 10.1 μg/m3 (42) 42.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.2 ppb (2) 12.0 μg/m3 (11) 8.6 μg/m3 (36) 36.0
 
Jan. 25, 2020, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 10.0 ppb (8) 0.18 ppb (2) 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) 8.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
Jan. 25, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) 9.0 μg/m3 (8) 2.0 μg/m3 (8) 9.0
 
Jan. 25, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 10.0 ppb (8) 0.17 ppb (2) 8.0 μg/m3 (7) 1.8 μg/m3 (8) 9.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.15 ppb (2) 10.0 μg/m3 (9) 1.4 μg/m3 (6) 12.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) 12.0 μg/m3 (11) 2.5 μg/m3 (10) 11.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 16.0 ppb (12) 0.17 ppb (2) 12.0 μg/m3 (11) 4.9 μg/m3 (20) 20.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 17.0 ppb (13) 0.17 ppb (2) 15.0 μg/m3 (14) 5.6 μg/m3 (23) 23.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 15.0 ppb (12) 0.17 ppb (2) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 22.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.18 ppb (2) 14.0 μg/m3 (13) 6.5 μg/m3 (27) 27.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) 12.0 μg/m3 (11) 7.2 μg/m3 (30) 30.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Jan. 25, 2020, midnight N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 25.0 μg/m3 (23) 5.1 μg/m3 (21) 23.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) 14.0 ppb (11) 0.25 ppb (3) 17.0 μg/m3 (15) 3.4 μg/m3 (14) 19.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 22.0 ppb (17) 0.21 ppb (2) 10.0 μg/m3 (9) 2.1 μg/m3 (9) 17.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 19.0 ppb (15) 0.27 ppb (3) 8.0 μg/m3 (7) 2.4 μg/m3 (10) 15.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) 17.0 ppb (13) 0.27 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (12) 13.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 15.0 ppb (12) 0.32 ppb (4) 5.0 μg/m3 (5) 3.8 μg/m3 (16) 16.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) 16.0 ppb (12) 0.3 ppb (3) 16.0 μg/m3 (15) 4.4 μg/m3 (18) 18.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 15.0 ppb (12) 0.36 ppb (4) 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 18.0 ppb (14) 0.25 ppb (3) 12.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.29 ppb (3) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 22.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A 22.0 ppb (17) 0.24 ppb (3) 12.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) 13.0 μg/m3 (12) 5.2 μg/m3 (22) 22.0
 
Jan. 24, 2020, noon N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 17.0 ppb (13) 0.32 ppb (4) 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) 16.0 ppb (12) 0.32 ppb (4) 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
Jan. 24, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) 16.0 μg/m3 (15) 7.7 μg/m3 (32) 32.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 18.0 ppb (14) 0.29 ppb (3) 17.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) 0.27 ppb (3) 15.0 μg/m3 (14) 9.1 μg/m3 (38) 38.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 16.0 ppb (12) 0.24 ppb (3) 17.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) 12.0 ppb (9) 0.36 ppb (4) 16.0 μg/m3 (15) 10.4 μg/m3 (43) 43.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A 26.0 ppb (24) N/A 1.0 ppb (1) 5.0 ppb (4) 0.38 ppb (4) 23.0 μg/m3 (21) 12.5 μg/m3 (51) 51.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 10.0 ppb (8) 0.36 ppb (4) 22.0 μg/m3 (20) 11.0 μg/m3 (46) 46.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 4.0 ppb (3) 0.61 ppb (7) 20.0 μg/m3 (18) 12.1 μg/m3 (50) 50.0
 
Jan. 24, 2020, midnight N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 10.0 ppb (8) 0.36 ppb (4) 16.0 μg/m3 (15) 10.1 μg/m3 (42) 42.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.38 ppb (4) 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A 26.0 ppb (24) N/A 4.0 ppb (6) 9.0 ppb (7) 0.46 ppb (5) 21.0 μg/m3 (19) 9.2 μg/m3 (38) 38.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A 21.0 ppb (19) N/A 3.0 ppb (4) 14.0 ppb (11) 0.37 ppb (4) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A 2.0 ppb (3) 16.0 ppb (12) 0.31 ppb (3) 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.34 ppb (4) 22.0 μg/m3 (20) 9.6 μg/m3 (40) 40.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A 1.0 ppb (1) 15.0 ppb (12) 0.34 ppb (4) 21.0 μg/m3 (19) 10.8 μg/m3 (45) 45.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A 0.4 ppb (4) 24.0 μg/m3 (22) 13.6 μg/m3 (53) 53.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A 2.0 ppb (3) N/A 0.42 ppb (5) 28.0 μg/m3 (25) 13.4 μg/m3 (53) 53.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A 0.41 ppb (5) 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A 0.48 ppb (5) 26.0 μg/m3 (24) 12.4 μg/m3 (51) 51.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.56 ppb (6) 25.0 μg/m3 (23) 12.1 μg/m3 (50) 50.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.64 ppb (7) 22.0 μg/m3 (20) 12.3 μg/m3 (51) 51.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 5.0 ppb (4) 0.43 ppb (5) 18.0 μg/m3 (16) 12.3 μg/m3 (51) 51.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 6.0 ppb (5) 0.43 ppb (5) 22.0 μg/m3 (20) 12.5 μg/m3 (51) 51.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 10.0 ppb (8) 0.44 ppb (5) 21.0 μg/m3 (19) 12.4 μg/m3 (51) 51.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A 1.0 ppb (1) 17.0 ppb (13) 0.31 ppb (3) 13.0 μg/m3 (12) 10.6 μg/m3 (44) 44.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) 20.0 ppb (15) 0.27 ppb (3) 16.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 17.0 ppb (13) 0.3 ppb (3) 19.0 μg/m3 (17) 11.5 μg/m3 (48) 48.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 18.0 ppb (14) 0.35 ppb (4) 20.0 μg/m3 (18) 11.6 μg/m3 (48) 48.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) 14.0 ppb (11) 0.31 ppb (3) 19.0 μg/m3 (17) 12.6 μg/m3 (51) 51.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 13.0 ppb (10) 0.38 ppb (4) 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 10.0 ppb (8) 0.46 ppb (5) 22.0 μg/m3 (20) 11.5 μg/m3 (48) 48.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) 14.0 ppb (11) 0.36 ppb (4) 17.0 μg/m3 (15) 8.5 μg/m3 (35) 35.0
 
Jan. 23, 2020, midnight N/A N/A N/A 21.0 ppb (19) N/A 2.0 ppb (3) 15.0 ppb (12) 0.31 ppb (3) 18.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A 23.0 ppb (21) N/A 1.0 ppb (1) 14.0 ppb (11) 0.41 ppb (5) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) 22.0 ppb (17) 0.32 ppb (4) 18.0 μg/m3 (16) 6.1 μg/m3 (25) 25.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) 0.27 ppb (3) 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) 0.23 ppb (3) 17.0 μg/m3 (15) 6.3 μg/m3 (26) 26.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) 0.22 ppb (2) 20.0 μg/m3 (18) 10.1 μg/m3 (42) 42.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A 9.0 ppb (8) N/A 2.0 ppb (3) 27.0 ppb (21) 0.24 ppb (3) 26.0 μg/m3 (24) 19.6 μg/m3 (66) 66.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A 10.0 ppb (9) N/A 2.0 ppb (3) 24.0 ppb (18) 0.23 ppb (3) 23.0 μg/m3 (21) 15.2 μg/m3 (57) 57.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 23.0 ppb (18) N/A 21.0 μg/m3 (19) 10.7 μg/m3 (45) 45.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) 22.0 ppb (17) N/A 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A 22.0 ppb (20) N/A 1.0 ppb (1) 9.0 ppb (7) 0.48 ppb (5) 29.0 μg/m3 (26) 15.8 μg/m3 (58) 58.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A 1.0 ppb (1) 5.0 ppb (4) 0.5 ppb (6) 31.0 μg/m3 (28) 16.7 μg/m3 (60) 60.0
 
Jan. 22, 2020, noon N/A N/A N/A 28.0 ppb (26) N/A 1.0 ppb (1) 1.0 ppb (1) 0.61 ppb (7) 26.0 μg/m3 (24) 17.9 μg/m3 (63) 63.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A 29.0 ppb (27) N/A 1.0 ppb (1) 1.0 ppb (1) 0.44 ppb (5) 24.0 μg/m3 (22) 18.9 μg/m3 (65) 65.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.41 ppb (5) 23.0 μg/m3 (21) 19.0 μg/m3 (65) 65.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 7.0 ppb (5) 0.27 ppb (3) 25.0 μg/m3 (23) 19.3 μg/m3 (66) 66.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 7.0 ppb (5) 0.39 ppb (4) 22.0 μg/m3 (20) 16.4 μg/m3 (59) 59.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 17.0 ppb (13) 0.28 ppb (3) 20.0 μg/m3 (18) 14.7 μg/m3 (56) 56.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 13.0 ppb (10) 0.34 ppb (4) 24.0 μg/m3 (22) 16.1 μg/m3 (59) 59.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 10.0 ppb (8) 0.37 ppb (4) 18.0 μg/m3 (16) 11.8 μg/m3 (49) 49.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) 13.0 ppb (10) 0.37 ppb (4) 21.0 μg/m3 (19) 11.0 μg/m3 (46) 46.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) 17.0 ppb (13) 0.34 ppb (4) 20.0 μg/m3 (18) 9.7 μg/m3 (40) 40.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A 25.0 ppb (23) N/A 0.0 ppb (0) 15.0 ppb (12) 0.36 ppb (4) 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A 26.0 ppb (24) N/A 0.0 ppb (0) 15.0 ppb (12) 0.3 ppb (3) 23.0 μg/m3 (21) 8.7 μg/m3 (36) 36.0
 
Jan. 22, 2020, midnight N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 16.0 ppb (12) 0.31 ppb (3) 23.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A 24.0 ppb (22) N/A 1.0 ppb (1) 18.0 ppb (14) 0.35 ppb (4) 24.0 μg/m3 (22) 9.2 μg/m3 (38) 38.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 1.0 ppb (1) 27.0 ppb (21) 0.33 ppb (4) 20.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
Jan. 21, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (25) 0.23 ppb (3) 17.0 μg/m3 (15) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.23 ppb (3) 16.0 μg/m3 (15) 5.2 μg/m3 (22) 26.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 35.0 ppb (27) 0.22 ppb (2) 16.0 μg/m3 (15) 5.4 μg/m3 (23) 27.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 35.0 ppb (27) 0.2 ppb (2) 14.0 μg/m3 (13) 4.5 μg/m3 (19) 27.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 37.0 ppb (28) 0.19 ppb (2) 12.0 μg/m3 (11) 4.0 μg/m3 (17) 28.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 37.0 ppb (28) 0.18 ppb (2) 12.0 μg/m3 (11) 4.1 μg/m3 (17) 28.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 36.0 ppb (28) 0.21 ppb (2) 10.0 μg/m3 (9) 4.3 μg/m3 (18) 28.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.23 ppb (3) 12.0 μg/m3 (11) 4.5 μg/m3 (19) 19.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) 19.0 μg/m3 (17) 6.8 μg/m3 (28) 28.0
 
Jan. 21, 2020, noon N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 12.0 μg/m3 (11) 5.4 μg/m3 (23) 24.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 34.0 ppb (26) 0.27 ppb (3) 11.0 μg/m3 (10) 5.3 μg/m3 (22) 26.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) 34.0 ppb (26) 0.24 ppb (3) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 26.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 33.0 ppb (25) 0.18 ppb (2) 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 29.0 ppb (22) 0.19 ppb (2) 14.0 μg/m3 (13) 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.16 ppb (2) 11.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.23 ppb (3) 13.0 μg/m3 (12) 8.2 μg/m3 (34) 34.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 27.0 ppb (21) 0.26 ppb (3) 14.0 μg/m3 (13) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) 26.0 ppb (20) 0.21 ppb (2) 16.0 μg/m3 (15) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2020, midnight N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) 25.0 ppb (19) 0.24 ppb (3) 15.0 μg/m3 (14) 8.2 μg/m3 (34) 34.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) 15.0 μg/m3 (14) 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.17 ppb (2) 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 31.0 ppb (24) 0.21 ppb (2) 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 32.0 ppb (25) 0.18 ppb (2) 15.0 μg/m3 (14) 6.5 μg/m3 (27) 27.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 30.0 ppb (23) 0.18 ppb (2) 15.0 μg/m3 (14) 7.7 μg/m3 (32) 32.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 29.0 ppb (22) 0.18 ppb (2) 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 26.0 ppb (20) 0.2 ppb (2) 19.0 μg/m3 (17) 10.4 μg/m3 (43) 43.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) 18.0 μg/m3 (16) 12.7 μg/m3 (51) 51.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 18.0 μg/m3 (16) 12.7 μg/m3 (51) 51.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) 18.0 μg/m3 (16) 11.3 μg/m3 (47) 47.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.28 ppb (3) 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
Jan. 20, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) 18.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 14.0 μg/m3 (13) 11.9 μg/m3 (50) 50.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) 13.0 μg/m3 (12) 12.6 μg/m3 (51) 51.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 12.0 μg/m3 (11) 12.4 μg/m3 (51) 51.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 14.0 μg/m3 (13) 12.3 μg/m3 (51) 51.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 15.0 μg/m3 (14) 11.8 μg/m3 (49) 49.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) 17.0 μg/m3 (15) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 14.0 μg/m3 (13) 13.1 μg/m3 (52) 52.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.18 ppb (2) 15.0 μg/m3 (14) 12.4 μg/m3 (51) 51.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.16 ppb (2) 14.0 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) 19.0 ppb (15) 0.17 ppb (2) 16.0 μg/m3 (15) 11.6 μg/m3 (48) 48.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 14.0 μg/m3 (13) 11.6 μg/m3 (48) 48.0
 
Jan. 20, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 15.0 μg/m3 (14) 11.6 μg/m3 (48) 48.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 20.0 ppb (15) 0.18 ppb (2) 15.0 μg/m3 (14) 10.9 μg/m3 (45) 45.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 21.0 ppb (16) 0.17 ppb (2) 15.0 μg/m3 (14) 10.2 μg/m3 (42) 42.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) 23.0 ppb (18) 0.17 ppb (2) 13.0 μg/m3 (12) 10.4 μg/m3 (43) 43.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) 17.0 μg/m3 (15) 10.9 μg/m3 (45) 45.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) 13.0 μg/m3 (12) 11.2 μg/m3 (47) 47.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.17 ppb (2) 15.0 μg/m3 (14) 12.5 μg/m3 (51) 51.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.17 ppb (2) 12.0 μg/m3 (11) 12.7 μg/m3 (51) 51.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 14.0 μg/m3 (13) 12.9 μg/m3 (52) 52.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.16 ppb (2) 18.0 μg/m3 (16) 12.9 μg/m3 (52) 52.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.17 ppb (2) 18.0 μg/m3 (16) 12.1 μg/m3 (50) 50.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) 9.0 μg/m3 (8) 11.1 μg/m3 (46) 46.0
 
Jan. 19, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.14 ppb (2) 14.0 μg/m3 (13) 10.4 μg/m3 (43) 43.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) 14.0 μg/m3 (13) 10.8 μg/m3 (45) 45.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 11.0 μg/m3 (10) 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) 16.0 μg/m3 (15) 9.2 μg/m3 (38) 38.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.12 ppb (1) 17.0 μg/m3 (15) 10.2 μg/m3 (42) 42.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.13 ppb (1) 12.0 μg/m3 (11) 10.1 μg/m3 (42) 42.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 31.0 ppb (24) 0.12 ppb (1) 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) 14.0 μg/m3 (13) 10.3 μg/m3 (43) 43.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 13.0 μg/m3 (12) 12.7 μg/m3 (51) 51.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.15 ppb (2) 16.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
Jan. 19, 2020, 2 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) 18.0 ppb (14) 0.15 ppb (2) 7.0 μg/m3 (6) 6.5 μg/m3 (27) 27.0