AQSQID: 201770013

Site Name: Kni-Topeka

Location: Topeka, KS

Reporting: True, Located: True

Current AQI: 59.0

Topeka KS, US: 39.0242, -95.7114

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 36.0 μg/m3 (33) 16.2 μg/m3 (59) 59.0
 
Sept. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 28.0 μg/m3 (25) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 25.0 μg/m3 (23) 16.4 μg/m3 (59) 59.0
 
Sept. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 46.0 μg/m3 (42) 16.5 μg/m3 (60) 60.0
 
Sept. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 35.0 μg/m3 (32) 16.5 μg/m3 (60) 60.0
 
Sept. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (20) N/A 20.0
 
Sept. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (29) 18.4 μg/m3 (64) 64.0
 
Sept. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (30) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 35.0 μg/m3 (32) 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 35.0 μg/m3 (32) 19.5 μg/m3 (66) 66.0
 
Sept. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 55.0 μg/m3 (50) 22.6 μg/m3 (73) 73.0
 
Sept. 16, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 30.0 μg/m3 (27) 19.4 μg/m3 (66) 66.0
 
Sept. 16, 2019, 11 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) 19.6 μg/m3 (66) 66.0
 
Sept. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 22.0 μg/m3 (20) 18.7 μg/m3 (64) 64.0
 
Sept. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 24.0 μg/m3 (22) 18.1 μg/m3 (63) 63.0
 
Sept. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 21.0 μg/m3 (19) 18.0 μg/m3 (63) 63.0
 
Sept. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 23.0 μg/m3 (21) 17.7 μg/m3 (62) 62.0
 
Sept. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 24.0 μg/m3 (22) 17.5 μg/m3 (62) 62.0
 
Sept. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 27.0 μg/m3 (25) 17.0 μg/m3 (61) 61.0
 
Sept. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 27.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
Sept. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 23.0 μg/m3 (21) 17.9 μg/m3 (63) 63.0
 
Sept. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 24.0 μg/m3 (22) 18.3 μg/m3 (63) 63.0
 
Sept. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 31.0 μg/m3 (28) 20.0 μg/m3 (67) 67.0
 
Sept. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 36.0 μg/m3 (33) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 55.0 μg/m3 (50) 16.4 μg/m3 (59) 59.0
 
Sept. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 39.0 μg/m3 (35) 16.1 μg/m3 (59) 59.0
 
Sept. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 32.0 μg/m3 (29) 15.7 μg/m3 (58) 58.0
 
Sept. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) N/A 49.0 μg/m3 (45) 15.8 μg/m3 (58) 58.0
 
Sept. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) N/A 13.0 μg/m3 (12) 15.6 μg/m3 (58) 58.0
 
Sept. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 29.0 μg/m3 (26) 16.5 μg/m3 (60) 60.0
 
Sept. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 31.0 μg/m3 (28) 16.9 μg/m3 (60) 60.0
 
Sept. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 25.0 μg/m3 (23) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 31.0 μg/m3 (28) 17.3 μg/m3 (61) 61.0
 
Sept. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 31.0 μg/m3 (28) 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 26.0 μg/m3 (24) 16.8 μg/m3 (60) 60.0
 
Sept. 15, 2019, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 21.0 μg/m3 (19) 16.5 μg/m3 (60) 60.0
 
Sept. 15, 2019, 11 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) 16.6 μg/m3 (60) 60.0
 
Sept. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 15.9 μg/m3 (58) 58.0
 
Sept. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 18.0 μg/m3 (16) 16.2 μg/m3 (59) 59.0
 
Sept. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 27.0 μg/m3 (25) 16.9 μg/m3 (60) 60.0
 
Sept. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 28.0 μg/m3 (25) 17.5 μg/m3 (62) 62.0
 
Sept. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 27.0 μg/m3 (25) 16.7 μg/m3 (60) 60.0
 
Sept. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 23.0 μg/m3 (21) 16.1 μg/m3 (59) 59.0
 
Sept. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 14.5 μg/m3 (55) 55.0
 
Sept. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, 2 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) 11.9 μg/m3 (50) 50.0
 
Sept. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 38.0 μg/m3 (35) 11.9 μg/m3 (50) 50.0
 
Sept. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 12.0 μg/m3 (11) 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 24.0 μg/m3 (22) 10.5 μg/m3 (44) 44.0
 
Sept. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 19.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
Sept. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 22.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Sept. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 26.0 μg/m3 (24) 7.3 μg/m3 (30) 31.0
 
Sept. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 6.4 μg/m3 (27) 30.0
 
Sept. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 18.0 μg/m3 (16) 6.1 μg/m3 (25) 28.0
 
Sept. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 30.0 μg/m3 (27) 5.6 μg/m3 (23) 28.0
 
Sept. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 37.0 μg/m3 (34) 5.0 μg/m3 (21) 34.0
 
Sept. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 28.0 μg/m3 (25) 4.6 μg/m3 (19) 25.0
 
Sept. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 26.0 μg/m3 (24) 4.5 μg/m3 (19) 24.0
 
Sept. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 39.0 μg/m3 (35) 5.0 μg/m3 (21) 35.0
 
Sept. 14, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 23.0 μg/m3 (21) 5.3 μg/m3 (22) 22.0
 
Sept. 14, 2019, 11 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) 4.9 μg/m3 (20) 20.0
 
Sept. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 7.0 μg/m3 (6) 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 5.0 μg/m3 (5) 5.1 μg/m3 (21) 21.0
 
Sept. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 4.0 μg/m3 (4) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 17.0
 
Sept. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 8.0 μg/m3 (7) 4.2 μg/m3 (18) 18.0
 
Sept. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 13.0 μg/m3 (12) 4.3 μg/m3 (18) 18.0
 
Sept. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
Sept. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 3.6 μg/m3 (15) 21.0
 
Sept. 13, 2019, 11 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) 3.0 μg/m3 (12) 23.0
 
Sept. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 26.0 μg/m3 (24) 3.2 μg/m3 (13) 28.0
 
Sept. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 13.0 μg/m3 (12) 3.4 μg/m3 (14) 32.0
 
Sept. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 19.0 μg/m3 (17) 3.2 μg/m3 (13) 28.0
 
Sept. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 24.0
 
Sept. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 22.0
 
Sept. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A -2.0 μg/m3 (0) 2.8 μg/m3 (12) 21.0
 
Sept. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 2.6 μg/m3 (11) 15.0
 
Sept. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A -3.0 μg/m3 (0) 2.5 μg/m3 (10) 12.0
 
Sept. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 40.0 μg/m3 (36) 3.0 μg/m3 (12) 36.0
 
Sept. 13, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 16.0 μg/m3 (15) 3.7 μg/m3 (15) 15.0
 
Sept. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 6.0 μg/m3 (5) 3.9 μg/m3 (16) 16.0
 
Sept. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 9.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Sept. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 2.0 μg/m3 (2) 4.3 μg/m3 (18) 18.0
 
Sept. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
Sept. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 10.0 μg/m3 (9) 4.6 μg/m3 (19) 19.0
 
Sept. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 3.0 μg/m3 (3) 4.1 μg/m3 (17) 17.0
 
Sept. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A -4.0 μg/m3 (0) 4.8 μg/m3 (20) 20.0
 
Sept. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A -1.0 μg/m3 (0) 5.0 μg/m3 (21) 21.0
 
Sept. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 1.0 μg/m3 (1) 5.9 μg/m3 (25) 25.0
 
Sept. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 6.0 μg/m3 (5) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 12.0 μg/m3 (11) 6.3 μg/m3 (26) 26.0
 
Sept. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 5.1 μg/m3 (21) 21.0
 
Sept. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 3.9 μg/m3 (16) 19.0
 
Sept. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 6.0 μg/m3 (5) 4.3 μg/m3 (18) 21.0
 
Sept. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 4.3 μg/m3 (18) 23.0
 
Sept. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 6.4 μg/m3 (27) 27.0
 
Sept. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
Sept. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 24.0 μg/m3 (22) 6.3 μg/m3 (26) 26.0
 
Sept. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 7.2 μg/m3 (30) 30.0
 
Sept. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 31.0 μg/m3 (28) 8.6 μg/m3 (36) 36.0
 
Sept. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 29.0 μg/m3 (26) 9.5 μg/m3 (40) 40.0
 
Sept. 12, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 20.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
Sept. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
Sept. 12, 2019, 10 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) 9.5 μg/m3 (40) 40.0
 
Sept. 12, 2019, 9 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) 10.0 μg/m3 (42) 42.0
 
Sept. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Sept. 12, 2019, 7 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) 10.3 μg/m3 (43) 43.0
 
Sept. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 20.0 μg/m3 (18) 10.2 μg/m3 (42) 42.0
 
Sept. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 25.0 μg/m3 (23) 9.7 μg/m3 (40) 40.0
 
Sept. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 26.0 μg/m3 (24) 9.1 μg/m3 (38) 38.0
 
Sept. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 32.0 μg/m3 (29) 8.9 μg/m3 (37) 37.0
 
Sept. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 33.0 μg/m3 (30) 8.0 μg/m3 (33) 33.0
 
Sept. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 7.3 μg/m3 (30) 30.0
 
Sept. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 27.0 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
Sept. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 28.0 μg/m3 (25) 7.5 μg/m3 (31) 31.0
 
Sept. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 21.0 μg/m3 (19) 7.4 μg/m3 (31) 32.0
 
Sept. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 8.8 μg/m3 (37) 37.0
 
Sept. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 19.0 μg/m3 (17) 9.2 μg/m3 (38) 38.0
 
Sept. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 19.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
Sept. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 29.0 μg/m3 (26) 11.6 μg/m3 (48) 48.0
 
Sept. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 37.0 μg/m3 (34) 12.2 μg/m3 (50) 50.0
 
Sept. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 29.0 μg/m3 (26) 12.7 μg/m3 (51) 51.0
 
Sept. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 33.0 μg/m3 (30) 13.9 μg/m3 (54) 54.0
 
Sept. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 39.0 μg/m3 (35) 15.7 μg/m3 (58) 58.0
 
Sept. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 37.0 μg/m3 (34) 17.1 μg/m3 (61) 61.0
 
Sept. 11, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 25.0 μg/m3 (23) 17.0 μg/m3 (61) 61.0
 
Sept. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 19.0 μg/m3 (17) 16.7 μg/m3 (60) 60.0
 
Sept. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 20.0 μg/m3 (18) 15.9 μg/m3 (58) 58.0
 
Sept. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 18.0 μg/m3 (16) 15.1 μg/m3 (57) 57.0
 
Sept. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 18.0 μg/m3 (16) 15.1 μg/m3 (57) 57.0
 
Sept. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 14.1 μg/m3 (54) 54.0
 
Sept. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 24.0 μg/m3 (22) 13.9 μg/m3 (54) 54.0
 
Sept. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 26.0 μg/m3 (24) 13.1 μg/m3 (52) 52.0
 
Sept. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 29.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 10.6 μg/m3 (44) 44.0
 
Sept. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 10.5 μg/m3 (44) 44.0
 
Sept. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 26.0 μg/m3 (24) 10.9 μg/m3 (45) 45.0
 
Sept. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 23.0 μg/m3 (21) 11.8 μg/m3 (49) 49.0
 
Sept. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 29.0 μg/m3 (26) 11.5 μg/m3 (48) 48.0
 
Sept. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 20.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 46.0 μg/m3 (42) 8.4 μg/m3 (35) 42.0
 
Sept. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 41.0 μg/m3 (37) 8.5 μg/m3 (35) 37.0
 
Sept. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 20.0 μg/m3 (18) 8.0 μg/m3 (33) 33.0
 
Sept. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 29.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
Sept. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 29.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
Sept. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 41.0 μg/m3 (37) 10.4 μg/m3 (43) 43.0
 
Sept. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 32.0 μg/m3 (29) 10.3 μg/m3 (43) 43.0
 
Sept. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 37.0 μg/m3 (34) 10.8 μg/m3 (45) 45.0
 
Sept. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 35.0 μg/m3 (32) 11.1 μg/m3 (46) 46.0
 
Sept. 10, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 24.0 μg/m3 (22) 10.3 μg/m3 (43) 43.0
 
Sept. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 18.0 μg/m3 (16) 9.9 μg/m3 (41) 41.0
 
Sept. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 9.9 μg/m3 (41) 41.0
 
Sept. 10, 2019, 9 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) 10.1 μg/m3 (42) 42.0
 
Sept. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 10.6 μg/m3 (44) 44.0
 
Sept. 10, 2019, 7 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) 11.5 μg/m3 (48) 48.0
 
Sept. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 26.0 μg/m3 (24) 12.1 μg/m3 (50) 50.0
 
Sept. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 29.0 μg/m3 (26) 13.3 μg/m3 (53) 53.0
 
Sept. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 36.0 μg/m3 (33) 14.5 μg/m3 (55) 55.0
 
Sept. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 25.0 μg/m3 (23) 14.6 μg/m3 (56) 56.0
 
Sept. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 30.0 μg/m3 (27) 14.7 μg/m3 (56) 56.0
 
Sept. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 43.0 μg/m3 (39) 14.5 μg/m3 (55) 55.0
 
Sept. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 54.0 μg/m3 (49) 13.8 μg/m3 (54) 54.0