AQSQID: 460710001

Site Name: Badlands

Location: Jackson Co, SD

Reporting: True, Located: True

Current AQI: 29.0

Jackson Co SD, US: 43.746944, -101.941109

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 13.0 μg/m3 (12) 6.9 μg/m3 (29) 29.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 10.6 μg/m3 (44) 44.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 20.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 22.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 3.0 μg/m3 (3) 0.3 μg/m3 (1) 27.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 3.0 μg/m3 (3) 1.3 μg/m3 (5) 29.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 29.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 8.0 μg/m3 (7) 0.8 μg/m3 (3) 29.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (11) 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 3.2 μg/m3 (13) 25.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (2) 22.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A -1.0 μg/m3 (0) 0.8 μg/m3 (3) 20.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 21.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 0.0 μg/m3 (0) -0.6 μg/m3 (0) 25.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A -1.0 μg/m3 (0) 1.0 μg/m3 (4) 25.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 0.0 μg/m3 (0) 3.0 μg/m3 (12) 18.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 2.0 μg/m3 (2) 1.0 μg/m3 (4) 15.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 0.0 μg/m3 (0) 0.6 μg/m3 (2) 15.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 1.0 μg/m3 (1) 2.5 μg/m3 (10) 13.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 13.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 15.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 1.8 μg/m3 (8) 16.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 16.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 15.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 9.0 μg/m3 (8) 2.0 μg/m3 (8) 15.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 18.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 2.0 μg/m3 (8) 20.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 3.0 μg/m3 (3) 0.3 μg/m3 (1) 22.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 23.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 1.3 μg/m3 (5) 22.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 3.2 μg/m3 (13) 21.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 5.0 μg/m3 (5) 5.2 μg/m3 (22) 22.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 0.1 μg/m3 (0) 20.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) -0.6 μg/m3 (0) 19.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) -0.3 μg/m3 (0) 19.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 8.0 μg/m3 (7) 0.6 μg/m3 (2) 18.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) -0.1 μg/m3 (0) 18.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 18.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) -1.3 μg/m3 (0) 18.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 18.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) 0.1 μg/m3 (0) 20.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) 0.3 μg/m3 (1) 21.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A -5.0 μg/m3 (0) -1.3 μg/m3 (0) 21.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A -2.0 μg/m3 (0) -1.8 μg/m3 (0) 23.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) -0.1 μg/m3 (0) 23.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A -1.0 μg/m3 (0) 0.3 μg/m3 (1) 19.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) -1.5 μg/m3 (0) 21.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 18.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) -2.3 μg/m3 (0) 22.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 1.0 μg/m3 (1) 1.0 μg/m3 (4) 22.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 3.5 μg/m3 (15) 18.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 1.3 μg/m3 (5) 18.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 20.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A -1.0 μg/m3 (0) 1.3 μg/m3 (5) 19.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A -1.0 μg/m3 (0) -1.0 μg/m3 (0) 17.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 15.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 14.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 1.0 μg/m3 (1) 2.2 μg/m3 (9) 15.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 0.0 μg/m3 (0) 3.5 μg/m3 (15) 15.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 0.0 μg/m3 (0) 1.8 μg/m3 (8) 16.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) -0.1 μg/m3 (0) 17.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 19.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) 4.2 μg/m3 (18) 20.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 13.0 μg/m3 (12) 11.6 μg/m3 (48) 48.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 16.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 14.0 μg/m3 (13) 11.6 μg/m3 (48) 48.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 8.4 μg/m3 (35) 35.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 9.3 μg/m3 (39) 39.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 16.0 μg/m3 (15) 9.1 μg/m3 (38) 38.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 10.8 μg/m3 (45) 45.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 19.0 μg/m3 (17) 11.6 μg/m3 (48) 48.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 21.0 μg/m3 (19) 12.5 μg/m3 (51) 51.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 11.1 μg/m3 (46) 46.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 11.1 μg/m3 (46) 46.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 25.0 μg/m3 (23) 10.1 μg/m3 (42) 42.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 21.0 μg/m3 (19) 9.3 μg/m3 (39) 39.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 17.0 μg/m3 (15) 10.3 μg/m3 (43) 43.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 13.0 μg/m3 (12) 8.6 μg/m3 (36) 36.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 22.0 μg/m3 (20) 9.8 μg/m3 (41) 41.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 11.3 μg/m3 (47) 47.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 9.6 μg/m3 (40) 40.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 15.0 μg/m3 (14) 6.4 μg/m3 (27) 27.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 1.0 μg/m3 (1) 4.7 μg/m3 (20) 20.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 2.0 μg/m3 (8) 18.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 22.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) 1.8 μg/m3 (8) 22.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 23.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 3.2 μg/m3 (13) 25.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 25.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 2.0 μg/m3 (8) 25.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A -1.0 μg/m3 (0) -0.8 μg/m3 (0) 26.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) -1.0 μg/m3 (0) 23.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 1.3 μg/m3 (5) 18.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 7.0 μg/m3 (6) 2.0 μg/m3 (8) 15.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) 0.1 μg/m3 (0) 12.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 4.0 μg/m3 (4) -1.3 μg/m3 (0) 12.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 1.5 μg/m3 (6) 13.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 2.7 μg/m3 (11) 15.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 5.0 μg/m3 (5) 3.0 μg/m3 (12) 16.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 4.2 μg/m3 (18) 18.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (8) 17.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 0.0 μg/m3 (0) 0.6 μg/m3 (2) 18.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 0.6 μg/m3 (2) 18.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) -0.1 μg/m3 (0) 15.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 16.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 7.0 μg/m3 (6) 3.0 μg/m3 (12) 15.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 0.3 μg/m3 (1) 17.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 18.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 22.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 0.1 μg/m3 (0) 23.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 21.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 20.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 8.0 μg/m3 (7) 0.1 μg/m3 (0) 22.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 0.1 μg/m3 (0) 21.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 1.8 μg/m3 (8) 19.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 18.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 18.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 17.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 15.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 0.0 μg/m3 (0) 0.8 μg/m3 (3) 12.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A -2.0 μg/m3 (0) 1.0 μg/m3 (4) 12.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 0.0 μg/m3 (0) -0.1 μg/m3 (0) 12.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A -2.0 μg/m3 (0) 13.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A -0.8 μg/m3 (0) 16.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A -0.6 μg/m3 (0) 18.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) -0.8 μg/m3 (0) 20.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 5.0 μg/m3 (5) 0.8 μg/m3 (3) 21.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 22.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) -0.3 μg/m3 (0) 22.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 0.8 μg/m3 (3) 22.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 22.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 23.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) -1.0 μg/m3 (0) 24.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) -0.8 μg/m3 (0) 25.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 25.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 26.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 2.5 μg/m3 (10) 25.0
 
Jan. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 27.0
 
Jan. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 26.0
 
Jan. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 0.1 μg/m3 (0) 26.0
 
Jan. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 1.0 μg/m3 (1) -0.3 μg/m3 (0) 25.0
 
Jan. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
Jan. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 50.0 μg/m3 (45) 2.7 μg/m3 (11) 45.0
 
Jan. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 0.1 μg/m3 (0) 20.0
 
Jan. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 0.1 μg/m3 (0) 19.0
 
Jan. 9, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 4.0 μg/m3 (4) -0.3 μg/m3 (0) 19.0
 
Jan. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 0.6 μg/m3 (2) 20.0
 
Jan. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 2.5 μg/m3 (10) 22.0
 
Jan. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 23.0