AQSQID: 390870012

Site Name: Ironton - Odot

Location: Ironton, OH

Reporting: True, Located: True

Current AQI: 42.0

Ironton OH, US: 38.508114, -82.659301

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 6.7 μg/m3 (28) 42.0
 
Sept. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 51.0 ppb (39) N/A N/A 3.3 μg/m3 (14) 39.0
 
Sept. 19, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 50.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
Sept. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 5.4 μg/m3 (23) 35.0
 
Sept. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 3.4 μg/m3 (14) 31.0
 
Sept. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.2 μg/m3 (13) 28.0
 
Sept. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.2 μg/m3 (13) 25.0
 
Sept. 19, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.7 μg/m3 (3) 17.0
 
Sept. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.7 μg/m3 (3) 3.0
 
Sept. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Sept. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
Sept. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 3.9 μg/m3 (16) 23.0
 
Sept. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 19, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 3.8 μg/m3 (16) 34.0
 
Sept. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
Sept. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 49.0 ppb (38) N/A N/A 5.3 μg/m3 (22) 38.0
 
Sept. 19, 2019, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
Sept. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 52.0 ppb (40) N/A N/A 9.2 μg/m3 (38) 40.0
 
Sept. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 5.9 μg/m3 (25) 40.0
 
Sept. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 5.3 μg/m3 (22) 41.0
 
Sept. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 4.6 μg/m3 (19) 40.0
 
Sept. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 9.1 μg/m3 (38) 40.0
 
Sept. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 24.6 μg/m3 (77) 77.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 4.6 μg/m3 (19) 35.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 6.7 μg/m3 (28) 31.0
 
Sept. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.5 μg/m3 (19) 25.0
 
Sept. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.4 μg/m3 (2) 19.0
 
Sept. 18, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 2.4 μg/m3 (10) 13.0
 
Sept. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 4.9 μg/m3 (20) 25.0
 
Sept. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 18, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 18.9 μg/m3 (65) 65.0
 
Sept. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 5.3 μg/m3 (22) 35.0
 
Sept. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 44.0 ppb (34) N/A N/A 9.9 μg/m3 (41) 41.0
 
Sept. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 19.7 μg/m3 (66) 66.0
 
Sept. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 4.9 μg/m3 (20) 35.0
 
Sept. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 42.0 ppb (32) N/A N/A 2.8 μg/m3 (12) 32.0
 
Sept. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) 28.0 ppb (22) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (17) N/A N/A 1.8 μg/m3 (8) 17.0
 
Sept. 17, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 1.5 μg/m3 (6) 18.0
 
Sept. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 16.4 μg/m3 (59) 59.0
 
Sept. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 22.2 μg/m3 (72) 72.0
 
Sept. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 36.4 μg/m3 (102) 102.0
 
Sept. 17, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 29.4 μg/m3 (87) 87.0
 
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 56.0 ppb (43) N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 61.0 ppb (47) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 60.0 ppb (46) N/A N/A 21.0 μg/m3 (69) 69.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 8.2 μg/m3 (34) 38.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 4.9 μg/m3 (20) 36.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.1 μg/m3 (0) N/A
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 1.0 μg/m3 (4) 4.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 20.5 μg/m3 (68) 68.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 24.1 μg/m3 (76) 76.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 40.1 μg/m3 (112) 112.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 39.0 μg/m3 (109) 109.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 57.0 ppb (44) N/A N/A 4.3 μg/m3 (18) 44.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 6.1 μg/m3 (25) 42.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 53.0 ppb (41) N/A N/A 0.5 μg/m3 (2) 41.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 52.0 ppb (40) N/A N/A 2.0 μg/m3 (8) 40.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 1.2 μg/m3 (5) 37.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 0.1 μg/m3 (0) 36.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 0.1 μg/m3 (0) 29.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.1 μg/m3 (0) 14.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 5.0 ppb (4) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 20.6 μg/m3 (68) 68.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 19.7 μg/m3 (66) 66.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 28.0 μg/m3 (84) 84.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 7.0 ppb (5) N/A N/A 27.4 μg/m3 (83) 83.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 23.2 μg/m3 (74) 74.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 17.3 μg/m3 (61) 61.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (30) N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 3.2 μg/m3 (13) 38.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (35) N/A N/A 0.9 μg/m3 (4) 35.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.3 μg/m3 (14) 29.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.3 μg/m3 (18) 28.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.3 μg/m3 (1) 25.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.2 μg/m3 (1) 21.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.1 μg/m3 (0) 18.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 0.9 μg/m3 (4) 15.0
 
Sept. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 8.0 ppb (6) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 19.9 μg/m3 (67) 67.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 18.7 μg/m3 (64) 64.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 18.5 μg/m3 (64) 64.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 33.8 μg/m3 (96) 96.0
 
Sept. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 31.1 μg/m3 (91) 91.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (37) N/A N/A 6.6 μg/m3 (28) 37.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (35) N/A N/A 6.2 μg/m3 (26) 35.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A 0.5 μg/m3 (2) 36.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (38) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 42.0 ppb (32) N/A N/A 1.4 μg/m3 (6) 32.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 3.0 ppb (2) N/A N/A 0.2 μg/m3 (1) 2.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 21.1 μg/m3 (69) 69.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 22.1 μg/m3 (71) 71.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 6.0 ppb (5) N/A N/A 16.7 μg/m3 (60) 60.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 19.0 μg/m3 (65) 65.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 25.2 μg/m3 (78) 78.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 35.2 μg/m3 (99) 99.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (32) N/A N/A 35.8 μg/m3 (101) 101.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 19.2 μg/m3 (65) 65.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 59.0 ppb (45) N/A N/A 9.8 μg/m3 (41) 45.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 55.0 ppb (42) N/A N/A 5.8 μg/m3 (24) 42.0