AQSQID: 390610048

Site Name: Cincinnati Near Road

Location: Cincinnati, OH

Reporting: True, Located: True

Current AQI: 48.0

Cincinnati OH, US: 39.146025, -84.538375

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 18, 2019, 2 p.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.42 ppb (5) N/A 11.4 μg/m3 (48) 48.0
 
March 18, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.56 ppb (6) N/A 14.8 μg/m3 (56) 56.0
 
March 18, 2019, noon N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.73 ppb (8) N/A 14.2 μg/m3 (55) 55.0
 
March 18, 2019, 11 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.79 ppb (9) N/A 14.1 μg/m3 (54) 54.0
 
March 18, 2019, 10 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.8 ppb (9) N/A 15.6 μg/m3 (58) 58.0
 
March 18, 2019, 9 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.66 ppb (7) N/A 16.3 μg/m3 (59) 59.0
 
March 18, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.42 ppb (5) N/A 15.4 μg/m3 (57) 57.0
 
March 18, 2019, 7 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.45 ppb (5) N/A 14.4 μg/m3 (55) 55.0
 
March 18, 2019, 6 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.38 ppb (4) N/A 12.3 μg/m3 (51) 51.0
 
March 18, 2019, 5 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.39 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
March 18, 2019, 4 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.32 ppb (4) N/A 9.6 μg/m3 (40) 40.0
 
March 18, 2019, 3 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
March 18, 2019, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
March 18, 2019, 1 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.39 ppb (4) N/A 14.4 μg/m3 (55) 55.0
 
March 18, 2019, midnight N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
March 17, 2019, 11 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 10.2 μg/m3 (42) 42.0
 
March 17, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 5.6 μg/m3 (23) 23.0
 
March 17, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
March 17, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
March 17, 2019, 7 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
March 17, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
March 17, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
March 17, 2019, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
March 17, 2019, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.4 ppb (4) N/A 10.7 μg/m3 (45) 45.0
 
March 17, 2019, 2 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.78 ppb (9) N/A 16.6 μg/m3 (60) 60.0
 
March 17, 2019, 1 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.82 ppb (9) N/A 15.7 μg/m3 (58) 58.0
 
March 17, 2019, noon N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.81 ppb (9) N/A 12.6 μg/m3 (51) 51.0
 
March 17, 2019, 11 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.79 ppb (9) N/A 11.5 μg/m3 (48) 48.0
 
March 17, 2019, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.65 ppb (7) N/A 10.6 μg/m3 (44) 44.0
 
March 17, 2019, 9 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.68 ppb (8) N/A 12.0 μg/m3 (50) 50.0
 
March 17, 2019, 8 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.61 ppb (7) N/A 12.4 μg/m3 (51) 51.0
 
March 17, 2019, 7 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.59 ppb (7) N/A 10.9 μg/m3 (45) 45.0
 
March 17, 2019, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.64 ppb (7) N/A 11.5 μg/m3 (48) 48.0
 
March 17, 2019, 5 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.8 ppb (9) N/A 12.5 μg/m3 (51) 51.0
 
March 17, 2019, 4 a.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.91 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
March 17, 2019, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.73 ppb (8) N/A 12.3 μg/m3 (51) 51.0
 
March 17, 2019, 2 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.84 ppb (9) N/A 14.1 μg/m3 (54) 54.0
 
March 17, 2019, 1 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.68 ppb (8) N/A 12.6 μg/m3 (51) 51.0
 
March 17, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
March 16, 2019, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
March 16, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
March 16, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 10.8 μg/m3 (45) 45.0
 
March 16, 2019, 8 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
March 16, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
March 16, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
March 16, 2019, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
March 16, 2019, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
March 16, 2019, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
March 16, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
March 16, 2019, 1 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
March 16, 2019, noon N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 7.4 μg/m3 (31) 31.0
 
March 16, 2019, 11 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.23 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
March 16, 2019, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.22 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
March 16, 2019, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.23 ppb (3) N/A 3.9 μg/m3 (16) 18.0
 
March 16, 2019, 8 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.22 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
March 16, 2019, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.23 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
March 16, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.21 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
March 16, 2019, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.22 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
March 16, 2019, 4 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
March 16, 2019, 3 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
March 16, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
March 16, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
March 16, 2019, midnight N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
March 15, 2019, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
March 15, 2019, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
March 15, 2019, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.2 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
March 15, 2019, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.41 ppb (5) N/A 2.7 μg/m3 (11) 11.0
 
March 15, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 3.6 μg/m3 (15) 15.0
 
March 15, 2019, 6 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
March 15, 2019, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
March 15, 2019, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.19 ppb (2) N/A 2.8 μg/m3 (12) 12.0
 
March 15, 2019, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A N/A 6.0
 
March 15, 2019, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.19 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
March 15, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.2 ppb (2) N/A 3.7 μg/m3 (15) 15.0
 
March 15, 2019, noon N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.2 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
March 15, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.19 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
March 15, 2019, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.18 ppb (2) N/A 7.5 μg/m3 (31) 31.0
 
March 15, 2019, 9 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
March 15, 2019, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 2.2 μg/m3 (9) 9.0
 
March 15, 2019, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 2.5 μg/m3 (10) 10.0
 
March 15, 2019, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.16 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
March 15, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 2.1 μg/m3 (9) 9.0
 
March 15, 2019, 4 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 1.7 μg/m3 (7) 7.0
 
March 15, 2019, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
March 15, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
March 15, 2019, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.21 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
March 15, 2019, midnight N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
March 14, 2019, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A 7.3 μg/m3 (30) 30.0
 
March 14, 2019, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
March 14, 2019, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 9.5 μg/m3 (40) 40.0
 
March 14, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
March 14, 2019, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
March 14, 2019, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 13.1 μg/m3 (52) 52.0
 
March 14, 2019, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A 12.7 μg/m3 (51) 51.0
 
March 14, 2019, 4 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 17.1 μg/m3 (61) 61.0
 
March 14, 2019, 3 p.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.46 ppb (5) N/A 20.4 μg/m3 (68) 68.0
 
March 14, 2019, 2 p.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.44 ppb (5) N/A 18.3 μg/m3 (63) 63.0
 
March 14, 2019, 1 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.45 ppb (5) N/A 18.2 μg/m3 (63) 63.0
 
March 14, 2019, noon N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.45 ppb (5) N/A 28.2 μg/m3 (84) 84.0
 
March 14, 2019, 11 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.43 ppb (5) N/A 21.3 μg/m3 (70) 70.0
 
March 14, 2019, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.37 ppb (4) N/A 22.8 μg/m3 (73) 73.0
 
March 14, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 14.6 μg/m3 (56) 56.0
 
March 14, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
March 14, 2019, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
March 14, 2019, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 9.6 μg/m3 (40) 40.0
 
March 14, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
March 14, 2019, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
March 14, 2019, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.28 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
March 14, 2019, 2 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.38 ppb (4) N/A 11.6 μg/m3 (48) 48.0
 
March 14, 2019, 1 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.51 ppb (6) N/A 10.8 μg/m3 (45) 45.0
 
March 14, 2019, midnight N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.47 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
March 13, 2019, 11 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.38 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 13, 2019, 10 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
March 13, 2019, 9 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
March 13, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 8.4 μg/m3 (35) 35.0
 
March 13, 2019, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 12.9 μg/m3 (52) 52.0
 
March 13, 2019, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.38 ppb (4) N/A 10.4 μg/m3 (43) 43.0
 
March 13, 2019, 5 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
March 13, 2019, 4 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.36 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
March 13, 2019, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.43 ppb (5) N/A 10.3 μg/m3 (43) 43.0
 
March 13, 2019, 2 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.61 ppb (7) N/A 11.1 μg/m3 (46) 46.0
 
March 13, 2019, 1 p.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.63 ppb (7) N/A 11.3 μg/m3 (47) 47.0
 
March 13, 2019, noon N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.46 ppb (5) N/A 10.7 μg/m3 (45) 45.0
 
March 13, 2019, 11 a.m. N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 0.51 ppb (6) N/A 11.8 μg/m3 (49) 49.0
 
March 13, 2019, 10 a.m. N/A N/A N/A 39.0 ppb (36) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
March 13, 2019, 9 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A N/A 0.41 ppb (5) N/A 10.9 μg/m3 (45) 45.0
 
March 13, 2019, 8 a.m. N/A N/A N/A 40.0 ppb (37) N/A N/A N/A 0.38 ppb (4) N/A 11.1 μg/m3 (46) 46.0
 
March 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A 13.0 μg/m3 (52) 52.0
 
March 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.47 ppb (5) N/A 12.6 μg/m3 (51) 51.0
 
March 13, 2019, 5 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.68 ppb (8) N/A 14.5 μg/m3 (55) 55.0
 
March 13, 2019, 4 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.74 ppb (8) N/A 15.4 μg/m3 (57) 57.0
 
March 13, 2019, 3 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.78 ppb (9) N/A 13.8 μg/m3 (54) 54.0
 
March 13, 2019, 2 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.89 ppb (10) N/A 16.2 μg/m3 (59) 59.0
 
March 13, 2019, 1 a.m. N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 0.65 ppb (7) N/A 15.3 μg/m3 (57) 57.0
 
March 13, 2019, midnight N/A N/A N/A 40.0 ppb (37) N/A N/A N/A 0.5 ppb (6) N/A 11.3 μg/m3 (47) 47.0
 
March 12, 2019, 11 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.49 ppb (5) N/A 10.6 μg/m3 (44) 44.0
 
March 12, 2019, 10 p.m. N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 0.47 ppb (5) N/A 14.3 μg/m3 (55) 55.0
 
March 12, 2019, 9 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.46 ppb (5) N/A 16.5 μg/m3 (60) 60.0
 
March 12, 2019, 8 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 14.2 μg/m3 (55) 55.0
 
March 12, 2019, 7 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.35 ppb (4) N/A 11.1 μg/m3 (46) 46.0
 
March 12, 2019, 6 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.38 ppb (4) N/A 13.4 μg/m3 (53) 53.0
 
March 12, 2019, 5 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.42 ppb (5) N/A 13.7 μg/m3 (54) 54.0
 
March 12, 2019, 4 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.38 ppb (4) N/A 16.9 μg/m3 (60) 60.0
 
March 12, 2019, 3 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.4 ppb (4) N/A 20.2 μg/m3 (67) 67.0
 
March 12, 2019, 2 p.m. N/A N/A N/A 42.0 ppb (39) N/A N/A N/A 0.6 ppb (7) N/A 22.4 μg/m3 (72) 72.0
 
March 12, 2019, 1 p.m. N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 0.86 ppb (10) N/A 25.8 μg/m3 (79) 79.0
 
March 12, 2019, noon N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 1.02 ppb (11) N/A 19.6 μg/m3 (66) 66.0
 
March 12, 2019, 11 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 1.15 ppb (13) N/A 17.6 μg/m3 (62) 62.0
 
March 12, 2019, 10 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.89 ppb (10) N/A 13.4 μg/m3 (53) 53.0
 
March 12, 2019, 9 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.54 ppb (6) N/A 10.4 μg/m3 (43) 43.0
 
March 12, 2019, 8 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A N/A 0.45 ppb (5) N/A 10.1 μg/m3 (42) 42.0
 
March 12, 2019, 7 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.32 ppb (4) N/A 7.8 μg/m3 (32) 32.0
 
March 12, 2019, 6 a.m. N/A N/A N/A 32.0 ppb (30) N/A N/A N/A 0.37 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
March 12, 2019, 5 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.44 ppb (5) N/A 7.3 μg/m3 (30) 31.0
 
March 12, 2019, 4 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.5 ppb (6) N/A 6.5 μg/m3 (27) 32.0
 
March 12, 2019, 3 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.47 ppb (5) N/A 5.3 μg/m3 (22) 32.0
 
March 12, 2019, 2 a.m. N/A N/A N/A 38.0 ppb (35) N/A N/A N/A 0.5 ppb (6) N/A 4.9 μg/m3 (20) 35.0
 
March 12, 2019, 1 a.m. N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 0.52 ppb (6) N/A 5.0 μg/m3 (21) 38.0
 
March 12, 2019, midnight N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.44 ppb (5) N/A 5.3 μg/m3 (22) 29.0
 
March 11, 2019, 11 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.37 ppb (4) N/A 4.3 μg/m3 (18) 31.0
 
March 11, 2019, 10 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.32 ppb (4) N/A 2.9 μg/m3 (12) 19.0
 
March 11, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 2.7 μg/m3 (11) 12.0
 
March 11, 2019, 8 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
March 11, 2019, 7 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.38 ppb (4) N/A 4.0 μg/m3 (17) 25.0
 
March 11, 2019, 6 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (3) N/A 3.9 μg/m3 (16) 18.0
 
March 11, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
March 11, 2019, 4 p.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.32 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
March 11, 2019, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 5.5 μg/m3 (23) 23.0