AQSQID: 201770013

Site Name: Kni-Topeka

Location: Topeka, KS

Reporting: True, Located: True

Current AQI: 52.0

Topeka KS, US: 39.0242, -95.7114

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 24, 2019, 2 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) 12.9 μg/m3 (52) 52.0
 
March 24, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) 13.9 μg/m3 (54) 54.0
 
March 24, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 16.0 μg/m3 (59) 59.0
 
March 24, 2019, 11 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) 18.9 μg/m3 (65) 65.0
 
March 24, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 15.0 μg/m3 (14) 20.4 μg/m3 (68) 68.0
 
March 24, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 20.0 μg/m3 (67) 67.0
 
March 24, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 15.0 μg/m3 (14) 20.0 μg/m3 (67) 67.0
 
March 24, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 19.5 μg/m3 (66) 66.0
 
March 24, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 19.0 μg/m3 (17) 20.6 μg/m3 (68) 68.0
 
March 24, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 17.0 μg/m3 (15) 23.0 μg/m3 (73) 73.0
 
March 24, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 21.0 μg/m3 (19) 26.1 μg/m3 (80) 80.0
 
March 24, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 20.0 μg/m3 (18) 25.4 μg/m3 (79) 79.0
 
March 24, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 18.0 μg/m3 (16) 20.2 μg/m3 (67) 67.0
 
March 24, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 19.0 μg/m3 (17) 12.6 μg/m3 (51) 51.0
 
March 24, 2019, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 14.0 μg/m3 (13) 12.1 μg/m3 (50) 50.0
 
March 23, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 13.3 μg/m3 (53) 53.0
 
March 23, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 14.0 μg/m3 (13) 13.6 μg/m3 (53) 53.0
 
March 23, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 15.0 μg/m3 (14) 13.7 μg/m3 (54) 54.0
 
March 23, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 17.0 μg/m3 (15) 17.1 μg/m3 (61) 61.0
 
March 23, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 20.0 μg/m3 (18) 18.4 μg/m3 (64) 64.0
 
March 23, 2019, 6 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) 19.2 μg/m3 (65) 65.0
 
March 23, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 26.0 μg/m3 (24) 24.8 μg/m3 (77) 77.0
 
March 23, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 25.0 μg/m3 (23) 24.0 μg/m3 (76) 76.0
 
March 23, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 28.0 μg/m3 (25) 21.4 μg/m3 (70) 70.0
 
March 23, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 32.0 μg/m3 (29) 18.9 μg/m3 (65) 65.0
 
March 23, 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) 16.2 μg/m3 (59) 59.0
 
March 23, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) 15.2 μg/m3 (57) 57.0
 
March 23, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 21.0 μg/m3 (19) 13.9 μg/m3 (54) 54.0
 
March 23, 2019, 10 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) 11.2 μg/m3 (47) 47.0
 
March 23, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 18.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
March 23, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) 8.7 μg/m3 (36) 36.0
 
March 23, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 24.0 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 23, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 26.0 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
March 23, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 26.0 μg/m3 (24) 8.6 μg/m3 (36) 36.0
 
March 23, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
March 23, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 37.0 μg/m3 (34) 16.9 μg/m3 (60) 60.0
 
March 23, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 47.0 μg/m3 (43) 24.6 μg/m3 (77) 77.0
 
March 23, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 41.0 μg/m3 (37) 14.0 μg/m3 (54) 54.0
 
March 23, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 26.0 μg/m3 (24) 8.0 μg/m3 (33) 33.0
 
March 22, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 25.0 μg/m3 (23) 7.3 μg/m3 (30) 41.0
 
March 22, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 20.0 μg/m3 (18) 8.2 μg/m3 (34) 43.0
 
March 22, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 12.0 μg/m3 (11) 9.0 μg/m3 (38) 43.0
 
March 22, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 42.0
 
March 22, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 12.0 μg/m3 (11) 8.5 μg/m3 (35) 40.0
 
March 22, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 38.0
 
March 22, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 10.0 μg/m3 (9) 6.4 μg/m3 (27) 36.0
 
March 22, 2019, 4 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) 7.1 μg/m3 (30) 32.0
 
March 22, 2019, 3 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) 9.9 μg/m3 (41) 41.0
 
March 22, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 31.0 μg/m3 (28) 20.7 μg/m3 (69) 69.0
 
March 22, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 43.0 μg/m3 (39) 19.8 μg/m3 (67) 67.0
 
March 22, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (26) 17.7 μg/m3 (62) 62.0
 
March 22, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (17) 15.1 μg/m3 (57) 57.0
 
March 22, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 17.0 μg/m3 (15) 13.0 μg/m3 (52) 52.0
 
March 22, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 18.0 μg/m3 (16) 12.5 μg/m3 (51) 51.0
 
March 22, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 16.0 μg/m3 (15) 12.3 μg/m3 (51) 51.0
 
March 22, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 14.0 μg/m3 (13) 9.9 μg/m3 (41) 41.0
 
March 22, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
March 22, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 25.0 μg/m3 (23) 9.4 μg/m3 (39) 39.0
 
March 22, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 26.0 μg/m3 (24) 11.0 μg/m3 (46) 46.0
 
March 22, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 27.0 μg/m3 (25) 10.7 μg/m3 (45) 45.0
 
March 22, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 28.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
March 22, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 19.0 μg/m3 (17) 9.7 μg/m3 (40) 40.0
 
March 22, 2019, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 19.0 μg/m3 (17) 11.1 μg/m3 (46) 46.0
 
March 21, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 28.0 μg/m3 (25) 17.3 μg/m3 (61) 61.0
 
March 21, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 8.0 μg/m3 (7) 5.4 μg/m3 (23) 38.0
 
March 21, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 37.0
 
March 21, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 36.0
 
March 21, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 9.0 μg/m3 (8) 7.1 μg/m3 (30) 35.0
 
March 21, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 6.0 μg/m3 (5) 7.9 μg/m3 (33) 34.0
 
March 21, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) 8.8 μg/m3 (37) 37.0
 
March 21, 2019, 4 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) 10.2 μg/m3 (42) 42.0
 
March 21, 2019, 3 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) 11.1 μg/m3 (46) 46.0
 
March 21, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 11.4 μg/m3 (48) 48.0
 
March 21, 2019, 1 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) 11.7 μg/m3 (49) 49.0
 
March 21, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 10.8 μg/m3 (45) 45.0
 
March 21, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 10.0 μg/m3 (9) 9.5 μg/m3 (40) 40.0
 
March 21, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 9.3 μg/m3 (39) 39.0
 
March 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) 8.9 μg/m3 (37) 37.0
 
March 21, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 9.1 μg/m3 (38) 38.0
 
March 21, 2019, 7 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) 9.1 μg/m3 (38) 38.0
 
March 21, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 8.9 μg/m3 (37) 37.0
 
March 21, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
March 21, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 13.0 μg/m3 (12) 5.6 μg/m3 (23) 28.0
 
March 21, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 15.0 μg/m3 (14) 4.5 μg/m3 (19) 28.0
 
March 21, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 14.0 μg/m3 (13) 4.1 μg/m3 (17) 31.0
 
March 21, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 15.0 μg/m3 (14) 4.9 μg/m3 (20) 32.0
 
March 21, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 10.0 μg/m3 (9) 3.6 μg/m3 (15) 35.0
 
March 20, 2019, 11 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) 3.4 μg/m3 (14) 37.0
 
March 20, 2019, 10 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) 3.6 μg/m3 (15) 39.0
 
March 20, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 6.0 μg/m3 (5) 3.7 μg/m3 (15) 39.0
 
March 20, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 5.0 μg/m3 (5) 4.2 μg/m3 (18) 38.0
 
March 20, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 3.0 μg/m3 (3) 5.4 μg/m3 (23) 35.0
 
March 20, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 7.1 μg/m3 (30) 33.0
 
March 20, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 3.0 μg/m3 (3) 11.6 μg/m3 (48) 48.0
 
March 20, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) 11.8 μg/m3 (49) 49.0
 
March 20, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) 11.4 μg/m3 (48) 48.0
 
March 20, 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) 13.0 μg/m3 (52) 52.0
 
March 20, 2019, 1 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) 13.1 μg/m3 (52) 52.0
 
March 20, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 14.7 μg/m3 (56) 56.0
 
March 20, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 12.8 μg/m3 (52) 52.0
 
March 20, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 11.1 μg/m3 (46) 46.0
 
March 20, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 10.2 μg/m3 (42) 42.0
 
March 20, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 3.0 μg/m3 (3) 8.0 μg/m3 (33) 33.0
 
March 20, 2019, 7 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) 8.2 μg/m3 (34) 34.0
 
March 20, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 10.8 μg/m3 (45) 45.0
 
March 20, 2019, 5 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) 13.5 μg/m3 (53) 53.0
 
March 20, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 13.8 μg/m3 (54) 54.0
 
March 20, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 9.0 μg/m3 (8) 15.7 μg/m3 (58) 58.0
 
March 20, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 14.3 μg/m3 (55) 55.0
 
March 20, 2019, 1 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) 15.0 μg/m3 (56) 56.0
 
March 20, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 14.6 μg/m3 (56) 56.0
 
March 19, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 23.0 μg/m3 (21) 17.4 μg/m3 (61) 61.0
 
March 19, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 37.0 μg/m3 (34) 17.9 μg/m3 (63) 63.0
 
March 19, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 31.0 μg/m3 (28) 17.3 μg/m3 (61) 61.0
 
March 19, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 21.0 μg/m3 (19) 17.8 μg/m3 (62) 62.0
 
March 19, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 15.0 μg/m3 (14) 17.9 μg/m3 (63) 63.0
 
March 19, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (62) 62.0
 
March 19, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (63) 63.0
 
March 19, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 17.0 μg/m3 (15) 12.1 μg/m3 (50) 50.0
 
March 19, 2019, 3 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) 7.6 μg/m3 (32) 32.0
 
March 19, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
March 19, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
March 19, 2019, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
March 19, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 8.0 μg/m3 (7) 7.7 μg/m3 (32) 32.0
 
March 19, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 9.0 μg/m3 (8) 8.0 μg/m3 (33) 33.0
 
March 19, 2019, 9 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) 8.4 μg/m3 (35) 35.0
 
March 19, 2019, 8 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) 8.9 μg/m3 (37) 37.0
 
March 19, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 8.2 μg/m3 (34) 34.0
 
March 19, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 16.0 μg/m3 (15) 8.6 μg/m3 (36) 36.0
 
March 19, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
March 19, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 9.8 μg/m3 (41) 41.0
 
March 19, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 21.0 μg/m3 (19) 12.9 μg/m3 (52) 52.0
 
March 19, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (54) 54.0
 
March 19, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 22.0 μg/m3 (20) 9.2 μg/m3 (38) 38.0
 
March 19, 2019, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 20.0 μg/m3 (18) 7.4 μg/m3 (31) 35.0
 
March 18, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 23.0 μg/m3 (21) 7.3 μg/m3 (30) 38.0
 
March 18, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 39.0
 
March 18, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 14.0 μg/m3 (13) 7.3 μg/m3 (30) 39.0
 
March 18, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 39.0
 
March 18, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 12.0 μg/m3 (11) 7.3 μg/m3 (30) 38.0
 
March 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 38.0
 
March 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 8.1 μg/m3 (34) 35.0
 
March 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 9.4 μg/m3 (39) 39.0
 
March 18, 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) 11.0 μg/m3 (46) 46.0
 
March 18, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 15.0 μg/m3 (14) 12.3 μg/m3 (51) 51.0
 
March 18, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 21.0 μg/m3 (19) 13.4 μg/m3 (53) 53.0
 
March 18, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
March 18, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 16.0 μg/m3 (15) 9.3 μg/m3 (39) 39.0
 
March 18, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 13.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
March 18, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
March 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 12.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
March 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
March 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 6.9 μg/m3 (29) 29.0
 
March 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
March 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 29.0
 
March 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (30) 30.0
 
March 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 25.0 μg/m3 (23) 12.6 μg/m3 (51) 51.0
 
March 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 20.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
March 18, 2019, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 19.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
March 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 18.0 μg/m3 (16) 8.2 μg/m3 (34) 35.0
 
March 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 15.0 μg/m3 (14) 11.1 μg/m3 (46) 46.0
 
March 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 15.0 μg/m3 (14) 12.5 μg/m3 (51) 51.0
 
March 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 11.0 μg/m3 (10) 13.1 μg/m3 (52) 52.0
 
March 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 11.0 μg/m3 (10) 14.7 μg/m3 (56) 56.0
 
March 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 13.0 μg/m3 (12) 13.6 μg/m3 (53) 53.0
 
March 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 13.0 μg/m3 (52) 52.0
 
March 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 11.0 μg/m3 (10) 15.0 μg/m3 (56) 56.0
 
March 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) 15.2 μg/m3 (57) 57.0