AQSQID: 201770013

Site Name: Kni-Topeka

Location: Topeka, KS

Reporting: True, Located: True

Current AQI: 27.0

Topeka KS, US: 39.0242, -95.7114

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 8.0 μg/m3 (7) 6.4 μg/m3 (27) 27.0
 
Jan. 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
Jan. 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0
 
Jan. 22, 2019, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
Jan. 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 10.0 μg/m3 (9) 8.8 μg/m3 (37) 37.0
 
Jan. 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 8.4 μg/m3 (35) 35.0
 
Jan. 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 8.4 μg/m3 (35) 35.0
 
Jan. 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 10.0 μg/m3 (9) 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 8.9 μg/m3 (37) 37.0
 
Jan. 21, 2019, 3 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) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 10.2 μg/m3 (42) 42.0
 
Jan. 21, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 10.8 μg/m3 (45) 45.0
 
Jan. 21, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 10.8 μg/m3 (45) 45.0
 
Jan. 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 11.7 μg/m3 (49) 49.0
 
Jan. 21, 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) 10.6 μg/m3 (44) 44.0
 
Jan. 21, 2019, 9 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) 8.7 μg/m3 (36) 36.0
 
Jan. 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 30.0
 
Jan. 21, 2019, 7 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) 7.5 μg/m3 (31) 31.0
 
Jan. 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 8.5 μg/m3 (35) 35.0
 
Jan. 21, 2019, 5 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) 10.2 μg/m3 (42) 42.0
 
Jan. 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 9.0 μg/m3 (8) 11.7 μg/m3 (49) 49.0
 
Jan. 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 14.0 μg/m3 (13) 11.5 μg/m3 (48) 48.0
 
Jan. 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Jan. 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 16.0 μg/m3 (15) 9.6 μg/m3 (40) 40.0
 
Jan. 21, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 18.0 μg/m3 (16) 9.7 μg/m3 (40) 40.0
 
Jan. 20, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 17.0 μg/m3 (15) 8.1 μg/m3 (34) 34.0
 
Jan. 20, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 16.0 μg/m3 (15) 6.6 μg/m3 (28) 28.0
 
Jan. 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 28.0
 
Jan. 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 5.6 μg/m3 (23) 28.0
 
Jan. 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 28.0
 
Jan. 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 6.0 μg/m3 (25) 27.0
 
Jan. 20, 2019, 5 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) 6.5 μg/m3 (27) 27.0
 
Jan. 20, 2019, 4 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) 6.8 μg/m3 (28) 28.0
 
Jan. 20, 2019, 3 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) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 8.7 μg/m3 (36) 36.0
 
Jan. 20, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 7.7 μg/m3 (32) 32.0
 
Jan. 20, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 7.7 μg/m3 (32) 32.0
 
Jan. 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 10.0 μg/m3 (9) 10.1 μg/m3 (42) 42.0
 
Jan. 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 8.0 μg/m3 (7) 9.6 μg/m3 (40) 40.0
 
Jan. 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 9.0 μg/m3 (8) 13.5 μg/m3 (53) 53.0
 
Jan. 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 5.0 μg/m3 (5) 9.2 μg/m3 (38) 38.0
 
Jan. 20, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 6.0 μg/m3 (5) 8.5 μg/m3 (35) 35.0
 
Jan. 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 6.9 μg/m3 (29) 29.0
 
Jan. 20, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 5.5 μg/m3 (23) 23.0
 
Jan. 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 6.3 μg/m3 (26) 26.0
 
Jan. 20, 2019, 3 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) 6.9 μg/m3 (29) 29.0
 
Jan. 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
Jan. 20, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 5.3 μg/m3 (22) 25.0
 
Jan. 20, 2019, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 5.8 μg/m3 (24) 27.0
 
Jan. 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 5.4 μg/m3 (23) 28.0
 
Jan. 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 6.1 μg/m3 (25) 28.0
 
Jan. 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 7.6 μg/m3 (32) 32.0
 
Jan. 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 6.0 μg/m3 (5) 6.3 μg/m3 (26) 28.0
 
Jan. 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 9.0 μg/m3 (8) 7.1 μg/m3 (30) 30.0
 
Jan. 19, 2019, 6 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) 9.1 μg/m3 (38) 38.0
 
Jan. 19, 2019, 5 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) 11.3 μg/m3 (47) 47.0
 
Jan. 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 9.0 μg/m3 (8) 12.0 μg/m3 (50) 50.0
 
Jan. 19, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 13.0 μg/m3 (52) 52.0
 
Jan. 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 11.0 μg/m3 (10) 12.1 μg/m3 (50) 50.0
 
Jan. 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 12.2 μg/m3 (50) 50.0
 
Jan. 19, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 12.0 μg/m3 (11) 10.2 μg/m3 (42) 42.0
 
Jan. 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) 10.3 μg/m3 (43) 43.0
 
Jan. 19, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 14.4 μg/m3 (55) 55.0
 
Jan. 19, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 16.1 μg/m3 (59) 59.0
 
Jan. 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 8.0 μg/m3 (7) 17.1 μg/m3 (61) 61.0
 
Jan. 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 19.8 μg/m3 (67) 67.0
 
Jan. 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 22.2 μg/m3 (72) 72.0
 
Jan. 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 21.8 μg/m3 (71) 71.0
 
Jan. 19, 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) 16.9 μg/m3 (60) 60.0
 
Jan. 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A -4.0 μg/m3 (0) 11.2 μg/m3 (47) 47.0
 
Jan. 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 3.2 μg/m3 (13) 13.0
 
Jan. 19, 2019, midnight N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A -1.0 μg/m3 (0) 4.4 μg/m3 (18) 18.0
 
Jan. 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 4.0 μg/m3 (4) 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 2.0 μg/m3 (2) 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 4.0 μg/m3 (4) 9.0 μg/m3 (38) 38.0
 
Jan. 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 6.0 μg/m3 (5) 12.3 μg/m3 (51) 51.0
 
Jan. 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 3.0 μg/m3 (3) 12.1 μg/m3 (50) 50.0
 
Jan. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 11.1 μg/m3 (46) 46.0
 
Jan. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 5.0 μg/m3 (5) 9.6 μg/m3 (40) 40.0
 
Jan. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 8.7 μg/m3 (36) 36.0
 
Jan. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 5.0 μg/m3 (5) 8.9 μg/m3 (37) 37.0
 
Jan. 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 6.0 μg/m3 (5) 9.6 μg/m3 (40) 40.0
 
Jan. 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 2.0 μg/m3 (2) 10.7 μg/m3 (45) 45.0
 
Jan. 18, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 5.0 μg/m3 (5) 13.3 μg/m3 (53) 53.0
 
Jan. 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 5.0 μg/m3 (5) 11.7 μg/m3 (49) 49.0
 
Jan. 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 3.0 μg/m3 (3) 10.9 μg/m3 (45) 45.0
 
Jan. 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 2.0 μg/m3 (2) 11.9 μg/m3 (50) 50.0
 
Jan. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 5.0 μg/m3 (5) 13.0 μg/m3 (52) 52.0
 
Jan. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 6.0 μg/m3 (5) 12.3 μg/m3 (51) 51.0
 
Jan. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 17.2 μg/m3 (61) 61.0
 
Jan. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 20.6 μg/m3 (68) 68.0
 
Jan. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 13.0 μg/m3 (12) 23.4 μg/m3 (74) 74.0
 
Jan. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 13.0 μg/m3 (12) 23.3 μg/m3 (74) 74.0
 
Jan. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 14.0 μg/m3 (13) 24.8 μg/m3 (77) 77.0
 
Jan. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 16.0 μg/m3 (15) 25.5 μg/m3 (79) 79.0
 
Jan. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 18.8 μg/m3 (64) 64.0
 
Jan. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 11.0 μg/m3 (10) 16.5 μg/m3 (60) 60.0
 
Jan. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 17.5 μg/m3 (62) 62.0
 
Jan. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 20.5 μg/m3 (68) 68.0
 
Jan. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 10.0 μg/m3 (9) 17.8 μg/m3 (62) 62.0
 
Jan. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 6.0 μg/m3 (5) 15.4 μg/m3 (57) 57.0
 
Jan. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 7.0 μg/m3 (6) 17.3 μg/m3 (61) 61.0
 
Jan. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 8.0 μg/m3 (7) 18.5 μg/m3 (64) 64.0
 
Jan. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 21.4 μg/m3 (70) 70.0
 
Jan. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) 19.4 μg/m3 (66) 66.0
 
Jan. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 19.4 μg/m3 (66) 66.0
 
Jan. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 19.2 μg/m3 (65) 65.0
 
Jan. 17, 2019, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 9.0 μg/m3 (8) 19.1 μg/m3 (65) 65.0
 
Jan. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 10.0 μg/m3 (9) 21.5 μg/m3 (70) 70.0
 
Jan. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 16.3 μg/m3 (59) 59.0
 
Jan. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 6.0 μg/m3 (5) 12.3 μg/m3 (51) 51.0
 
Jan. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 3.0 μg/m3 (3) 7.2 μg/m3 (30) 30.0
 
Jan. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 6.1 μg/m3 (25) 25.0
 
Jan. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 2.0 μg/m3 (2) 8.3 μg/m3 (35) 35.0
 
Jan. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 4.0 μg/m3 (4) 9.2 μg/m3 (38) 38.0
 
Jan. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 5.0 μg/m3 (5) 11.4 μg/m3 (48) 48.0
 
Jan. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 6.0 μg/m3 (5) 14.2 μg/m3 (55) 55.0
 
Jan. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 6.0 μg/m3 (5) 16.5 μg/m3 (60) 60.0
 
Jan. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 11.0 μg/m3 (10) 21.3 μg/m3 (70) 70.0
 
Jan. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 22.0 μg/m3 (71) 71.0
 
Jan. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 9.0 μg/m3 (8) 22.2 μg/m3 (72) 72.0
 
Jan. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 21.4 μg/m3 (70) 70.0
 
Jan. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 13.0 μg/m3 (12) 22.7 μg/m3 (73) 73.0
 
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 13.0 μg/m3 (12) 24.8 μg/m3 (77) 77.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 15.0 μg/m3 (14) 25.7 μg/m3 (79) 79.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 26.1 μg/m3 (80) 80.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 17.0 μg/m3 (15) 25.3 μg/m3 (78) 78.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 18.0 μg/m3 (16) 24.3 μg/m3 (76) 76.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 19.0 μg/m3 (17) 25.4 μg/m3 (79) 79.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 18.0 μg/m3 (16) 25.4 μg/m3 (79) 79.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 22.8 μg/m3 (73) 73.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 18.3 μg/m3 (63) 63.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 16.6 μg/m3 (60) 60.0
 
Jan. 16, 2019, 10 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) 16.4 μg/m3 (59) 59.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 6.0 μg/m3 (5) 15.7 μg/m3 (58) 58.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 8.0 μg/m3 (7) 18.2 μg/m3 (63) 63.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 20.2 μg/m3 (67) 67.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) 14.6 μg/m3 (56) 56.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 5.0 μg/m3 (5) 14.5 μg/m3 (55) 55.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 6.0 μg/m3 (5) 14.8 μg/m3 (56) 56.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 9.0 μg/m3 (8) 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 8.0 μg/m3 (7) 16.6 μg/m3 (60) 60.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 16.4 μg/m3 (59) 59.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 18.1 μg/m3 (63) 63.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 16.5 μg/m3 (60) 60.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 19.5 μg/m3 (66) 66.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 19.7 μg/m3 (66) 66.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 11.0 μg/m3 (10) 22.1 μg/m3 (71) 71.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 21.8 μg/m3 (71) 71.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 20.6 μg/m3 (68) 68.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 9.0 μg/m3 (8) 19.8 μg/m3 (67) 67.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 11.0 μg/m3 (10) 18.9 μg/m3 (65) 65.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 10.0 μg/m3 (9) 19.4 μg/m3 (66) 66.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 18.3 μg/m3 (63) 63.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 19.4 μg/m3 (66) 66.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 19.6 μg/m3 (66) 66.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 20.6 μg/m3 (68) 68.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 22.1 μg/m3 (71) 71.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 20.2 μg/m3 (67) 67.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 19.5 μg/m3 (66) 66.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 17.3 μg/m3 (61) 61.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 8.0 μg/m3 (7) 18.3 μg/m3 (63) 63.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 16.2 μg/m3 (59) 59.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 8.0 μg/m3 (7) 14.9 μg/m3 (56) 56.0