AQSQID: 460990008

Site Name: Sioux Falls

Location: Sioux Falls, SD

Reporting: True, Located: True

Current AQI: 22.0

Sioux Falls SD, US: 43.54792, -96.700768

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) -3.0 μg/m3 (0) 22.0
 
July 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) -3.0 μg/m3 (0) 28.0
 
July 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) -0.8 μg/m3 (0) 29.0
 
July 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 28.0
 
July 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 7.0 μg/m3 (6) 0.3 μg/m3 (1) 25.0
 
July 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 0.8 μg/m3 (3) 26.0
 
July 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) 0.8 μg/m3 (3) 32.0
 
July 18, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 5.0 μg/m3 (5) -3.2 μg/m3 (0) 34.0
 
July 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) -2.5 μg/m3 (0) 35.0
 
July 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 4.0 μg/m3 (4) -2.0 μg/m3 (0) 37.0
 
July 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 6.0 μg/m3 (5) 0.6 μg/m3 (2) 37.0
 
July 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 37.0
 
July 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 4.0 μg/m3 (4) 2.2 μg/m3 (9) 38.0
 
July 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 35.0
 
July 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 1.0 μg/m3 (1) 6.6 μg/m3 (28) 35.0
 
July 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 2.0 μg/m3 (2) 14.3 μg/m3 (55) 55.0
 
July 17, 2019, 3 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) 1.7 μg/m3 (7) 29.0
 
July 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A -4.0 μg/m3 (0) 2.7 μg/m3 (11) 37.0
 
July 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 3.7 μg/m3 (15) 35.0
 
July 17, 2019, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 1.0 μg/m3 (1) -2.3 μg/m3 (0) 32.0
 
July 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) -1.7 μg/m3 (0) 13.0
 
July 17, 2019, 10 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) 0.4 μg/m3 (2) 15.0
 
July 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) N/A 17.0
 
July 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) -4.7 μg/m3 (0) 18.0
 
July 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
July 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 12.8 μg/m3 (52) 52.0
 
July 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) -1.7 μg/m3 (0) 26.0
 
July 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 4.0 μg/m3 (4) -1.3 μg/m3 (0) 28.0
 
July 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 1.0 μg/m3 (1) 0.3 μg/m3 (1) 30.0
 
July 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) -0.3 μg/m3 (0) 28.0
 
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 5.0 μg/m3 (5) -3.2 μg/m3 (0) 30.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 7.0 μg/m3 (6) -2.5 μg/m3 (0) 33.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 6.0 μg/m3 (5) -0.7 μg/m3 (0) 36.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) -0.5 μg/m3 (0) 35.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 0.3 μg/m3 (1) 36.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 8.0 μg/m3 (7) 3.2 μg/m3 (13) 35.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 33.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 8.0 μg/m3 (7) 0.0 μg/m3 (0) 32.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 11.0 μg/m3 (10) 0.5 μg/m3 (2) 29.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 13.0 μg/m3 (12) 6.1 μg/m3 (25) 25.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 10.4 μg/m3 (43) 43.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) -0.3 μg/m3 (0) 24.0
 
July 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) -1.5 μg/m3 (0) 25.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 24.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 22.0 μg/m3 (20) 13.6 μg/m3 (53) 53.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 19.0 μg/m3 (17) 3.2 μg/m3 (13) 17.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 2.9 μg/m3 (12) 14.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 16.0 μg/m3 (15) 3.4 μg/m3 (14) 15.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 20.0 μg/m3 (18) 7.1 μg/m3 (30) 30.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 6.3 μg/m3 (26) 26.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 23.0 μg/m3 (21) 16.3 μg/m3 (59) 59.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 28.0 μg/m3 (25) -0.3 μg/m3 (0) 25.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 31.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 21.0 μg/m3 (19) 4.7 μg/m3 (20) 42.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 28.0 μg/m3 (25) 6.6 μg/m3 (28) 43.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) N/A 21.0 μg/m3 (19) 4.9 μg/m3 (20) 48.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 25.0 μg/m3 (23) 6.1 μg/m3 (25) 47.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 24.0 μg/m3 (22) 3.7 μg/m3 (15) 45.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 43.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 19.0 μg/m3 (17) 7.3 μg/m3 (30) 40.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 26.0 μg/m3 (24) 6.6 μg/m3 (28) 38.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 20.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 28.0 μg/m3 (25) 5.9 μg/m3 (25) 34.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 26.0 μg/m3 (24) -1.2 μg/m3 (0) 30.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 24.0 μg/m3 (22) 4.2 μg/m3 (18) 25.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 17.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 17.0 μg/m3 (15) 4.9 μg/m3 (20) 20.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
July 15, 2019, 10 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) 3.7 μg/m3 (15) 22.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 6.1 μg/m3 (25) 25.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 2.5 μg/m3 (10) 25.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (4) 25.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 16.0 μg/m3 (15) 2.0 μg/m3 (8) 28.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 31.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 33.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 29.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 18.0 μg/m3 (16) 7.3 μg/m3 (30) 32.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 17.0 μg/m3 (15) 7.0 μg/m3 (29) 35.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 19.0 μg/m3 (17) 5.4 μg/m3 (23) 37.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 26.0 μg/m3 (24) 4.2 μg/m3 (18) 37.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 25.0 μg/m3 (23) 3.9 μg/m3 (16) 38.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 18.0 μg/m3 (16) 2.7 μg/m3 (11) 40.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 21.0 μg/m3 (19) 2.2 μg/m3 (9) 44.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 19.0 μg/m3 (17) 4.7 μg/m3 (20) 43.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 20.0 μg/m3 (18) 4.7 μg/m3 (20) 42.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 16.0 μg/m3 (15) 2.7 μg/m3 (11) 41.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 13.0 μg/m3 (12) 2.5 μg/m3 (10) 38.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 3.0 μg/m3 (12) 35.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 16.0 μg/m3 (15) 4.7 μg/m3 (20) 30.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 23.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 20.0 μg/m3 (18) -0.5 μg/m3 (0) 19.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 20.7 μg/m3 (69) 69.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) 11.4 μg/m3 (48) 48.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 17.0 μg/m3 (15) 3.4 μg/m3 (14) 25.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 15.8 μg/m3 (58) 58.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 13.0 μg/m3 (12) 0.0 μg/m3 (0) 25.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) 7.5 μg/m3 (31) 31.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 13.0 μg/m3 (12) 8.2 μg/m3 (34) 34.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 15.0 μg/m3 (14) 5.8 μg/m3 (24) 27.0
 
July 14, 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) 9.2 μg/m3 (38) 38.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) -1.3 μg/m3 (0) 26.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 31.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) N/A 33.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 11.0 μg/m3 (10) N/A 37.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 5.0 μg/m3 (5) 2.5 μg/m3 (10) 42.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 7.0 μg/m3 (6) 3.2 μg/m3 (13) 40.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 9.0 μg/m3 (8) 0.0 μg/m3 (0) 39.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 7.0 μg/m3 (6) -0.3 μg/m3 (0) 38.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 4.0 μg/m3 (4) -1.2 μg/m3 (0) 35.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 16.0 μg/m3 (15) -2.2 μg/m3 (0) 26.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) -1.7 μg/m3 (0) 25.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 16.1 μg/m3 (59) 59.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) N/A 24.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 20.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 29.0 μg/m3 (26) 5.1 μg/m3 (21) 26.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 27.0 μg/m3 (25) 6.6 μg/m3 (28) 28.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 7.3 μg/m3 (30) 30.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 27.0 μg/m3 (25) 7.5 μg/m3 (31) 31.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 30.0 μg/m3 (27) 8.5 μg/m3 (35) 35.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 34.0 μg/m3 (31) 10.5 μg/m3 (44) 44.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 29.0 μg/m3 (26) 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 5.6 μg/m3 (23) 31.0
 
July 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 32.0 μg/m3 (29) 7.1 μg/m3 (30) 32.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 33.0 μg/m3 (30) 10.2 μg/m3 (42) 42.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 8.5 μg/m3 (35) 41.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 38.0 μg/m3 (35) 6.8 μg/m3 (28) 45.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (47) N/A 36.0 μg/m3 (33) 9.2 μg/m3 (38) 47.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) N/A 33.0 μg/m3 (30) 6.8 μg/m3 (28) 45.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 34.0 μg/m3 (31) 4.9 μg/m3 (20) 40.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 21.0 μg/m3 (19) 4.7 μg/m3 (20) 35.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 25.0 μg/m3 (23) 7.3 μg/m3 (30) 30.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 21.0 μg/m3 (19) 4.2 μg/m3 (18) 26.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 36.0 μg/m3 (33) 3.4 μg/m3 (14) 33.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 33.0 μg/m3 (30) 4.0 μg/m3 (17) 34.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 24.0 μg/m3 (22) 4.5 μg/m3 (19) 33.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 20.0 μg/m3 (18) 21.7 μg/m3 (71) 71.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 3.7 μg/m3 (15) 26.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 27.0 μg/m3 (25) 2.2 μg/m3 (9) 25.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 18.0 μg/m3 (16) 3.9 μg/m3 (16) 22.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 3.4 μg/m3 (14) 23.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 19.0 μg/m3 (17) 3.4 μg/m3 (14) 25.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 3.2 μg/m3 (13) 28.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 1.7 μg/m3 (7) 28.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 13.0 μg/m3 (12) -3.7 μg/m3 (0) 30.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 16.0 μg/m3 (15) N/A 31.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 25.0 μg/m3 (23) 16.1 μg/m3 (59) 59.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 19.0 μg/m3 (17) -3.0 μg/m3 (0) 26.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 28.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 11.0 μg/m3 (10) 3.5 μg/m3 (15) 32.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 36.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 8.0 μg/m3 (7) 4.7 μg/m3 (20) 39.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 1.3 μg/m3 (5) 36.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 13.0 μg/m3 (12) 2.0 μg/m3 (8) 35.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (16) 30.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 4.9 μg/m3 (20) 20.0
 
July 11, 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) 6.1 μg/m3 (25) 25.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 11.0 μg/m3 (10) 9.7 μg/m3 (40) 40.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 14.0 μg/m3 (13) 2.0 μg/m3 (8) 29.0
 
July 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 19.0 μg/m3 (17) 18.8 μg/m3 (64) 64.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 18.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 8.0 μg/m3 (33) 33.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 13.1 μg/m3 (52) 52.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 10.4 μg/m3 (43) 43.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 4.6 μg/m3 (19) 19.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) -1.3 μg/m3 (0) 12.0