AQSQID: 390490038

Site Name: Columbus Nr - Smoky Row

Location: Columbus, OH

Reporting: True, Located: True

Current AQI: 53.0

Columbus OH, US: 40.11109, -83.065376

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 11 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 13.3 μg/m3 (53) 53.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.0 ppb (0) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 3.3 μg/m3 (14) 15.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 3.8 μg/m3 (16) 17.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.0 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 16, 2019, noon N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 15.1 μg/m3 (57) 57.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 15.1 μg/m3 (57) 57.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 21.7 μg/m3 (71) 71.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 20.1 μg/m3 (67) 67.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 22.1 μg/m3 (71) 71.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 27.3 μg/m3 (83) 83.0
 
Jan. 16, 2019, midnight N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.0 ppb (0) N/A 26.8 μg/m3 (81) 81.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 19.4 μg/m3 (66) 66.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 19.1 μg/m3 (65) 65.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.0 ppb (0) N/A 14.6 μg/m3 (56) 56.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 12.6 μg/m3 (51) 51.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 21.5 μg/m3 (70) 70.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 27.8 μg/m3 (84) 84.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 21.4 μg/m3 (70) 70.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.0 ppb (0) N/A 14.4 μg/m3 (55) 55.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.0 ppb (0) N/A 21.9 μg/m3 (71) 71.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.1 ppb (1) N/A 31.2 μg/m3 (91) 91.0
 
Jan. 15, 2019, noon N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.1 ppb (1) N/A 35.6 μg/m3 (100) 100.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.0 ppb (0) N/A 31.9 μg/m3 (92) 92.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.0 ppb (0) N/A 34.1 μg/m3 (97) 97.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.0 ppb (0) N/A 32.2 μg/m3 (93) 93.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.1 ppb (1) N/A 33.1 μg/m3 (95) 95.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.1 ppb (1) N/A 30.8 μg/m3 (90) 90.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A 35.0 ppb (32) N/A N/A N/A 0.1 ppb (1) N/A 28.8 μg/m3 (86) 86.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.1 ppb (1) N/A 25.6 μg/m3 (79) 79.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.1 ppb (1) N/A 22.7 μg/m3 (73) 73.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (1) N/A 23.9 μg/m3 (75) 75.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 0.1 ppb (1) N/A 20.8 μg/m3 (69) 69.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.1 ppb (1) N/A 22.4 μg/m3 (72) 72.0
 
Jan. 15, 2019, midnight N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.1 ppb (1) N/A 14.9 μg/m3 (56) 56.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 18.4 μg/m3 (64) 64.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.0 ppb (0) N/A 15.1 μg/m3 (57) 57.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 13.1 μg/m3 (52) 52.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 11.4 μg/m3 (48) 48.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 11.6 μg/m3 (48) 48.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.3 ppb (3) N/A 29.0 μg/m3 (86) 86.0
 
Jan. 14, 2019, noon N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 14.7 μg/m3 (56) 56.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 12.1 μg/m3 (50) 50.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 12.6 μg/m3 (51) 51.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 12.8 μg/m3 (52) 52.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 14.9 μg/m3 (56) 56.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 16.1 μg/m3 (59) 59.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 18.9 μg/m3 (65) 65.0
 
Jan. 14, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 17.4 μg/m3 (61) 61.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 18.4 μg/m3 (64) 64.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 16.6 μg/m3 (60) 60.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 17.1 μg/m3 (61) 61.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 18.6 μg/m3 (64) 64.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 16.8 μg/m3 (60) 60.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 11.6 μg/m3 (48) 48.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 13, 2019, noon N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 19.3 μg/m3 (66) 66.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 16.4 μg/m3 (59) 59.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 21.9 μg/m3 (71) 71.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.0 ppb (0) N/A 18.4 μg/m3 (64) 64.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 20.3 μg/m3 (68) 68.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 17.6 μg/m3 (62) 62.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 22.6 μg/m3 (73) 73.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 25.9 μg/m3 (80) 80.0
 
Jan. 13, 2019, midnight N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 24.4 μg/m3 (76) 76.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 19.1 μg/m3 (65) 65.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A 20.5 μg/m3 (68) 68.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A 20.5 μg/m3 (68) 68.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 16.1 μg/m3 (59) 59.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.0 ppb (0) N/A 12.3 μg/m3 (51) 51.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.0 ppb (0) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 21.0 μg/m3 (69) 69.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A 22.4 μg/m3 (72) 72.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 18.6 μg/m3 (64) 64.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A 17.6 μg/m3 (62) 62.0
 
Jan. 12, 2019, noon N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.0 ppb (0) N/A 16.4 μg/m3 (59) 59.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A 14.8 μg/m3 (56) 56.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A 16.6 μg/m3 (60) 60.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.0 ppb (0) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.0 ppb (0) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.0 ppb (0) N/A 14.9 μg/m3 (56) 56.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.0 ppb (0) N/A 14.1 μg/m3 (54) 54.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 17.6 μg/m3 (62) 62.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.0 ppb (0) N/A 14.6 μg/m3 (56) 56.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.1 ppb (1) N/A 18.6 μg/m3 (64) 64.0
 
Jan. 12, 2019, midnight N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.1 ppb (1) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.1 ppb (1) N/A 18.1 μg/m3 (63) 63.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.1 ppb (1) N/A 13.1 μg/m3 (52) 52.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.1 ppb (1) N/A 11.9 μg/m3 (50) 50.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.1 ppb (1) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.0 ppb (0) N/A 10.1 μg/m3 (42) 42.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.0 ppb (0) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 9.7 μg/m3 (40) 40.0
 
Jan. 11, 2019, noon N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.0 ppb (0) N/A 10.1 μg/m3 (42) 42.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 9.2 μg/m3 (38) 38.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 6.3 μg/m3 (26) 26.0
 
Jan. 11, 2019, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 2.9 μg/m3 (12) 12.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 2.9 μg/m3 (12) 12.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 3.6 μg/m3 (15) 15.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 5.6 μg/m3 (23) 23.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 10, 2019, noon N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.0 ppb (0) N/A 3.9 μg/m3 (16) 16.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.0 ppb (0) N/A 4.9 μg/m3 (20) 20.0
 
Jan. 10, 2019, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.0 ppb (0) N/A 6.1 μg/m3 (25) 25.0