ID: 1349

AQSQID: 390810017

Site Name: Steubenville

Added: April 21, 2020, 6:24 p.m.

Updated: Jan. 18, 2022, 1:33 a.m.

Location: Steubenville (Pleasant Heights), OH

Reporting: True, Located: True

Current AQI: 61.0

Steubenville (Pleasant Heights) OH, US: 40.366452, -80.615691

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
Jan. 17, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.1 μg/m3 (62) 62.0
 
Jan. 17, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 18.1 μg/m3 (64) 64.0
 
Jan. 17, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.6 μg/m3 (61) 61.0
 
Jan. 17, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 17, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
Jan. 17, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.3 μg/m3 (60) 60.0
 
Jan. 17, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.6 μg/m3 (59) 59.0
 
Jan. 17, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.7 μg/m3 (59) 59.0
 
Jan. 17, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
Jan. 17, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.7 μg/m3 (37) 37.0
 
Jan. 17, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 17, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Jan. 17, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 17, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.4 μg/m3 (19) 19.0
 
Jan. 17, 2022, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
Jan. 17, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 17, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 17, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 17, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 17, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 16, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.2 μg/m3 (35) 35.0
 
Jan. 16, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 16, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2022, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 8.4 μg/m3 (36) 36.0
 
Jan. 16, 2022, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 16, 2022, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 16, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.2 μg/m3 (39) 39.0
 
Jan. 16, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 16, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
Jan. 16, 2022, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 16, 2022, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 16, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 16, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 16, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
Jan. 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (38) 38.0
 
Jan. 16, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 16, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 15, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 15, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 15, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 15, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 15, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.0 μg/m3 (34) 34.0
 
Jan. 15, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 15, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 15, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 15, 2022, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 7.5 μg/m3 (32) 32.0
 
Jan. 15, 2022, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.3 μg/m3 (27) 27.0
 
Jan. 15, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.5 μg/m3 (28) 28.0
 
Jan. 15, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 15, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 15, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 15, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 15, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
Jan. 15, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.1 μg/m3 (22) 22.0
 
Jan. 14, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
Jan. 14, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 14, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
Jan. 14, 2022, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
Jan. 14, 2022, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.2 μg/m3 (54) 54.0
 
Jan. 14, 2022, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 14, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.6 μg/m3 (53) 53.0
 
Jan. 14, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 14, 2022, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
Jan. 14, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Jan. 14, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 16.9 μg/m3 (62) 62.0
 
Jan. 14, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
Jan. 14, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.1 μg/m3 (70) 70.0
 
Jan. 14, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 22.3 μg/m3 (73) 73.0
 
Jan. 14, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
Jan. 14, 2022, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 26.6 μg/m3 (82) 82.0
 
Jan. 14, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 20.0 μg/m3 (68) 68.0
 
Jan. 14, 2022, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.0 μg/m3 (64) 64.0
 
Jan. 14, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 17.2 μg/m3 (62) 62.0
 
Jan. 14, 2022, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 14, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (58) 58.0
 
Jan. 14, 2022, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 15.2 μg/m3 (58) 58.0
 
Jan. 14, 2022, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
Jan. 14, 2022, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 13, 2022, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 13, 2022, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 7.7 μg/m3 (33) 33.0
 
Jan. 13, 2022, 9 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 13, 2022, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 13, 2022, 7 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2022, 6 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Jan. 13, 2022, 5 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 12.3 μg/m3 (52) 52.0
 
Jan. 13, 2022, 4 p.m. N/A N/A N/A N/A N/A 13.0 ppb (19) N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
Jan. 13, 2022, 3 p.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A 22.8 μg/m3 (74) 74.0
 
Jan. 13, 2022, 2 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 21.7 μg/m3 (72) 72.0
 
Jan. 13, 2022, 1 p.m. N/A N/A N/A N/A N/A 14.0 ppb (20) N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
Jan. 13, 2022, noon N/A N/A N/A N/A N/A 15.0 ppb (22) N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
Jan. 13, 2022, 11 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 18.3 μg/m3 (65) 65.0
 
Jan. 13, 2022, 10 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
Jan. 13, 2022, 9 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
Jan. 13, 2022, 8 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
Jan. 13, 2022, 7 a.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
Jan. 13, 2022, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 17.3 μg/m3 (62) 62.0
 
Jan. 13, 2022, 5 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 16.3 μg/m3 (60) 60.0
 
Jan. 13, 2022, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 14.7 μg/m3 (57) 57.0
 
Jan. 13, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 13, 2022, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 13, 2022, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 11.3 μg/m3 (48) 48.0
 
Jan. 13, 2022, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 14.2 μg/m3 (56) 56.0
 
Jan. 12, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 12, 2022, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 12, 2022, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 12, 2022, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2022, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2022, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.2 μg/m3 (31) 31.0
 
Jan. 12, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.0 μg/m3 (30) 30.0
 
Jan. 12, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 12, 2022, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2022, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 12, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 12, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
Jan. 12, 2022, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
Jan. 12, 2022, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 12, 2022, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 12, 2022, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 12, 2022, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 12, 2022, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
Jan. 12, 2022, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 12, 2022, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 12, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 12, 2022, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 12, 2022, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.6 μg/m3 (45) 45.0
 
Jan. 12, 2022, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 11, 2022, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 11, 2022, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 9.5 μg/m3 (40) 40.0
 
Jan. 11, 2022, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 11, 2022, 8 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 9.4 μg/m3 (40) 40.0
 
Jan. 11, 2022, 7 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A 10.1 μg/m3 (43) 43.0
 
Jan. 11, 2022, 6 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A 9.7 μg/m3 (41) 41.0
 
Jan. 11, 2022, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2022, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 11, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 11, 2022, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2022, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2022, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 11, 2022, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.8 μg/m3 (29) 29.0
 
Jan. 11, 2022, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 11, 2022, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 11, 2022, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 11, 2022, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2022, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Jan. 11, 2022, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 11, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 11, 2022, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 11, 2022, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.8 μg/m3 (33) 33.0