AQSQID: 290950034

Site Name: Troost

Location: Kansas City (E 8th St), MO

Reporting: True, Located: True

Current AQI: 6.0

Kansas City (E 8th St) MO, US: 39.104698, -94.570602

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2019, midnight 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
Sept. 20, 2019, 11 p.m. 3.9 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.6 μg/m3 (2) 4.0
 
Sept. 20, 2019, 10 p.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.7 μg/m3 (3) 4.0
 
Sept. 20, 2019, 9 p.m. 5.7 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 20, 2019, 8 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 20, 2019, 7 p.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 20, 2019, 6 p.m. 4.3 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2019, 5 p.m. 5.1 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 20, 2019, 4 p.m. 6.1 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 20, 2019, 3 p.m. 9.8 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 20, 2019, 2 p.m. 12.1 ppb (11) 2.1 ppb (2) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 20, 2019, 1 p.m. 14.7 ppb (14) 2.5 ppb (2) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 20, 2019, noon 24.0 ppb (22) 3.3 ppb (3) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 20, 2019, 11 a.m. 23.9 ppb (22) 1.5 ppb (1) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 20, 2019, 10 a.m. 16.5 ppb (15) 0.5 ppb (0) N/A 16.0 ppb (15) N/A 2.0 ppb (3) N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 20, 2019, 9 a.m. 12.0 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 20, 2019, 8 a.m. 10.0 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 20, 2019, 7 a.m. 12.9 ppb (12) -0.1 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 20, 2019, 6 a.m. 9.7 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 15.8 μg/m3 (58) 58.0
 
Sept. 20, 2019, 5 a.m. 11.3 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 20, 2019, 4 a.m. 14.7 ppb (14) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A 16.9 μg/m3 (60) 60.0
 
Sept. 20, 2019, 3 a.m. 10.4 ppb (10) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 20, 2019, 2 a.m. 10.9 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 14.7 μg/m3 (56) 56.0
 
Sept. 20, 2019, 1 a.m. 8.3 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 15.5 μg/m3 (57) 57.0
 
Sept. 20, 2019, midnight 8.2 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 19, 2019, 11 p.m. 8.9 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 18.2 μg/m3 (63) 63.0
 
Sept. 19, 2019, 10 p.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A 17.9 μg/m3 (63) 63.0
 
Sept. 19, 2019, 9 p.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 19, 2019, 8 p.m. 4.8 ppb (4) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 19, 2019, 7 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2019, 6 p.m. 7.5 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2019, 5 p.m. 8.1 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 19, 2019, 4 p.m. 10.2 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 19, 2019, 3 p.m. 13.1 ppb (12) 2.3 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 19, 2019, 2 p.m. 15.3 ppb (14) 3.2 ppb (3) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 19, 2019, 1 p.m. 19.6 ppb (18) 3.9 ppb (4) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 19, 2019, noon 21.3 ppb (20) 2.5 ppb (2) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 19, 2019, 11 a.m. 16.4 ppb (15) 0.6 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 19, 2019, 10 a.m. 11.8 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A 2.0 ppb (3) N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 19, 2019, 9 a.m. 11.6 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2019, 8 a.m. 9.0 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 2.0 ppb (3) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2019, 7 a.m. 7.2 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2019, 6 a.m. 8.4 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2019, 5 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 19, 2019, 4 a.m. 12.2 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 19, 2019, 3 a.m. 21.1 ppb (20) 0.2 ppb (0) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 19, 2019, 2 a.m. 20.5 ppb (19) 0.3 ppb (0) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 19, 2019, 1 a.m. 15.3 ppb (14) 0.5 ppb (0) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 19, 2019, midnight 12.6 ppb (12) 0.5 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 11 p.m. 5.2 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2019, 10 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 18, 2019, 9 p.m. 4.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2019, 8 p.m. 5.1 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 18, 2019, 7 p.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 18, 2019, 6 p.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 18, 2019, 5 p.m. 8.1 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 18, 2019, 2 p.m. 13.9 ppb (13) 3.1 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A N/A N/A N/A 13.0
 
Sept. 18, 2019, 1 p.m. 14.0 ppb (13) 2.4 ppb (2) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 18, 2019, noon 17.6 ppb (16) 1.3 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 18, 2019, 11 a.m. 18.4 ppb (17) 0.5 ppb (0) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 18, 2019, 10 a.m. 11.1 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 11.0 μg/m3 (46) 46.0
 
Sept. 18, 2019, 9 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, 8 a.m. 8.0 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 18, 2019, 7 a.m. 6.0 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 18, 2019, 6 a.m. 7.0 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 18, 2019, 5 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 18, 2019, 4 a.m. 9.4 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 18, 2019, 3 a.m. 13.9 ppb (13) 0.0 ppb (0) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2019, 2 a.m. 20.2 ppb (19) 0.0 ppb (0) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
Sept. 18, 2019, 1 a.m. 17.0 ppb (16) -0.1 ppb (0) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 18, 2019, midnight 10.7 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 17, 2019, 11 p.m. 6.2 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 17, 2019, 10 p.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 9 p.m. 5.4 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
Sept. 17, 2019, 8 p.m. 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
Sept. 17, 2019, 7 p.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2019, 6 p.m. 7.3 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2019, 5 p.m. 9.4 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 17, 2019, 4 p.m. 7.7 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2019, 3 p.m. 9.5 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 17, 2019, 2 p.m. 17.9 ppb (17) 3.7 ppb (3) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 17, 2019, 1 p.m. 21.7 ppb (20) 4.0 ppb (4) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 17, 2019, noon 25.1 ppb (23) 3.9 ppb (4) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2019, 11 a.m. 17.2 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 17, 2019, 10 a.m. 10.6 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 17, 2019, 9 a.m. 12.9 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 15.9 μg/m3 (58) 58.0
 
Sept. 17, 2019, 8 a.m. 7.9 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 7 a.m. 6.4 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2019, 6 a.m. 10.1 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 14.5 μg/m3 (55) 55.0
 
Sept. 17, 2019, 5 a.m. 9.4 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 17, 2019, 4 a.m. 7.6 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2019, 3 a.m. 11.0 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 17, 2019, 2 a.m. 17.1 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2019, 1 a.m. 20.2 ppb (19) -0.1 ppb (0) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 14.8 μg/m3 (56) 56.0
 
Sept. 17, 2019, midnight 9.9 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 11 p.m. 7.5 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 13.6 μg/m3 (53) 53.0
 
Sept. 16, 2019, 10 p.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 16, 2019, 9 p.m. 6.0 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 16, 2019, 8 p.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 16, 2019, 7 p.m. 10.2 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2019, 6 p.m. 10.5 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2019, 5 p.m. 9.9 ppb (9) 1.4 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2019, 4 p.m. 12.9 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 16, 2019, 3 p.m. 15.0 ppb (14) 2.4 ppb (2) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 16, 2019, 2 p.m. 15.0 ppb (14) 2.2 ppb (2) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 15.1 μg/m3 (57) 57.0
 
Sept. 16, 2019, 1 p.m. 20.9 ppb (19) 2.8 ppb (3) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 15.7 μg/m3 (58) 58.0
 
Sept. 16, 2019, noon 27.8 ppb (26) 2.8 ppb (3) N/A 25.0 ppb (23) N/A 1.0 ppb (1) N/A N/A N/A 17.2 μg/m3 (61) 61.0
 
Sept. 16, 2019, 11 a.m. 25.0 ppb (23) 1.9 ppb (2) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A 16.6 μg/m3 (60) 60.0
 
Sept. 16, 2019, 10 a.m. 12.9 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 16.0 μg/m3 (59) 59.0
 
Sept. 16, 2019, 9 a.m. 9.6 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 14.3 μg/m3 (55) 55.0
 
Sept. 16, 2019, 8 a.m. 6.7 ppb (6) -0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2019, 7 a.m. 7.7 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 16, 2019, 6 a.m. 4.5 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 16, 2019, 5 a.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 16, 2019, 4 a.m. 5.7 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2019, 3 a.m. 8.0 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2019, 2 a.m. 8.3 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 16, 2019, 1 a.m. 9.6 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2019, midnight 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 15, 2019, 11 p.m. 7.9 ppb (7) 0.1 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 15, 2019, 10 p.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.4 μg/m3 (48) 48.0
 
Sept. 15, 2019, 9 p.m. 3.7 ppb (3) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 15, 2019, 8 p.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 15, 2019, 7 p.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 15, 2019, 6 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 12.5 μg/m3 (51) 51.0
 
Sept. 15, 2019, 5 p.m. 4.7 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, 4 p.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 15, 2019, 3 p.m. 5.4 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 15, 2019, 2 p.m. 6.4 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.1 μg/m3 (46) 46.0
 
Sept. 15, 2019, 1 p.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 15, 2019, noon 6.7 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 12.3 μg/m3 (51) 51.0
 
Sept. 15, 2019, 11 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 10 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 15, 2019, 9 a.m. 3.2 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2019, 8 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2019, 7 a.m. 2.6 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 15, 2019, 6 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 15, 2019, 5 a.m. 4.5 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
Sept. 15, 2019, 4 a.m. 5.8 ppb (5) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 9.2 μg/m3 (38) 38.0
 
Sept. 15, 2019, 3 a.m. 4.8 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 10.8 μg/m3 (45) 45.0
 
Sept. 15, 2019, 2 a.m. 5.8 ppb (5) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 15, 2019, 1 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 15, 2019, midnight 6.0 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 14, 2019, 11 p.m. 4.4 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2019, 10 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2019, 9 p.m. 4.5 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 14, 2019, 8 p.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 7 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 6 p.m. 4.1 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 5 p.m. 4.4 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 14, 2019, 4 p.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.9 μg/m3 (4) 5.0
 
Sept. 14, 2019, 3 p.m. 5.6 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 14, 2019, 2 p.m. 10.2 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 1.3 μg/m3 (5) 9.0
 
Sept. 14, 2019, 1 p.m. 17.1 ppb (16) 5.4 ppb (5) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 14, 2019, noon 15.1 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 3.2 μg/m3 (13) 14.0
 
Sept. 14, 2019, 11 a.m. 18.6 ppb (17) 1.7 ppb (2) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A 3.5 μg/m3 (15) 17.0
 
Sept. 14, 2019, 10 a.m. 11.3 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2019, 9 a.m. 11.5 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 14, 2019, 8 a.m. 17.6 ppb (16) 0.2 ppb (0) N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2019, 7 a.m. 25.5 ppb (24) 3.4 ppb (3) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 24.0
 
Sept. 14, 2019, 6 a.m. 27.4 ppb (25) 2.4 ppb (2) N/A 25.0 ppb (23) N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 25.0
 
Sept. 14, 2019, 5 a.m. 11.8 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 14, 2019, 4 a.m. 16.4 ppb (15) 0.3 ppb (0) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 14, 2019, 3 a.m. 17.9 ppb (17) 0.2 ppb (0) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2019, 2 a.m. 16.2 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 14, 2019, 1 a.m. 12.6 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 1.7 μg/m3 (7) 12.0