AQSQID: 290950034

Site Name: Troost

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

Reporting: True, Located: True

Current AQI: 24.0

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
May 24, 2019, 1 a.m. 6.1 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
May 24, 2019, midnight 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 23, 2019, 11 p.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
May 23, 2019, 10 p.m. 6.7 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 0.3 μg/m3 (1) 6.0
 
May 23, 2019, 9 p.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 23, 2019, 8 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.7 μg/m3 (11) 11.0
 
May 23, 2019, 7 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
May 23, 2019, 6 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A -0.2 μg/m3 (0) 3.0
 
May 23, 2019, 5 p.m. 6.9 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
May 23, 2019, 4 p.m. 6.8 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A N/A 0.2 μg/m3 (1) 6.0
 
May 23, 2019, 3 p.m. 7.5 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 23, 2019, 2 p.m. 24.6 ppb (23) 9.8 ppb (9) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 23.0
 
May 23, 2019, 1 p.m. 43.1 ppb (40) 21.8 ppb (20) N/A 21.0 ppb (19) N/A 2.0 ppb (3) N/A N/A N/A 4.0 μg/m3 (17) 40.0
 
May 23, 2019, noon 63.3 ppb (60) 44.0 ppb (41) N/A 19.0 ppb (18) N/A 2.0 ppb (3) N/A N/A N/A 12.9 μg/m3 (52) 60.0
 
May 23, 2019, 11 a.m. 142.2 ppb (108) 118.9 ppb (103) N/A 23.0 ppb (21) N/A 3.0 ppb (4) N/A N/A N/A 9.5 μg/m3 (40) 108.0
 
May 23, 2019, 10 a.m. 114.4 ppb (103) 86.6 ppb (85) N/A 28.0 ppb (26) N/A 2.0 ppb (3) N/A N/A N/A 8.2 μg/m3 (34) 103.0
 
May 23, 2019, 9 a.m. 94.4 ppb (93) 65.7 ppb (62) N/A 29.0 ppb (27) N/A 2.0 ppb (3) N/A N/A N/A 11.4 μg/m3 (48) 93.0
 
May 23, 2019, 8 a.m. 71.1 ppb (68) 42.4 ppb (39) N/A 29.0 ppb (27) N/A 2.0 ppb (3) N/A N/A N/A 3.3 μg/m3 (14) 68.0
 
May 23, 2019, 7 a.m. 15.1 ppb (14) 1.1 ppb (1) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
May 23, 2019, 6 a.m. 13.3 ppb (12) 0.4 ppb (0) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A 1.5 μg/m3 (6) 12.0
 
May 23, 2019, 5 a.m. 20.0 ppb (19) 1.7 ppb (2) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 19.0
 
May 23, 2019, 4 a.m. 33.0 ppb (31) 7.3 ppb (7) N/A 26.0 ppb (24) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 31.0
 
May 23, 2019, 3 a.m. 25.0 ppb (23) 3.5 ppb (3) N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
May 23, 2019, 2 a.m. 31.9 ppb (30) 9.2 ppb (9) N/A 23.0 ppb (21) N/A 1.0 ppb (1) N/A N/A N/A 10.6 μg/m3 (44) 44.0
 
May 23, 2019, 1 a.m. 36.3 ppb (34) 9.2 ppb (9) N/A 27.0 ppb (25) N/A 1.0 ppb (1) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
May 23, 2019, midnight 26.7 ppb (25) 4.7 ppb (4) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 22, 2019, 11 p.m. 23.3 ppb (22) 5.7 ppb (5) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
May 22, 2019, 10 p.m. 20.1 ppb (19) 3.7 ppb (3) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 9.4 μg/m3 (39) 39.0
 
May 22, 2019, 9 p.m. 13.0 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
May 22, 2019, 8 p.m. 9.7 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
May 22, 2019, 7 p.m. 9.5 ppb (9) 2.3 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
May 22, 2019, 6 p.m. 8.3 ppb (8) 2.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
May 22, 2019, 5 p.m. 8.1 ppb (8) 2.7 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 0.6 μg/m3 (2) 8.0
 
May 22, 2019, 4 p.m. 7.4 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
May 22, 2019, 3 p.m. 11.6 ppb (11) 5.0 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
May 22, 2019, 2 p.m. 13.4 ppb (12) 5.9 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 0.6 μg/m3 (2) 12.0
 
May 22, 2019, 1 p.m. 20.1 ppb (19) 10.9 ppb (10) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 0.7 μg/m3 (3) 19.0
 
May 22, 2019, noon 18.5 ppb (17) 5.7 ppb (5) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 3.7 μg/m3 (15) 17.0
 
May 22, 2019, 11 a.m. 17.7 ppb (16) 3.1 ppb (3) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A 0.4 μg/m3 (2) 16.0
 
May 22, 2019, 10 a.m. 10.4 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
May 22, 2019, 9 a.m. 6.9 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 22, 2019, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
May 22, 2019, 7 a.m. 3.4 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 22, 2019, 6 a.m. 2.2 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
May 22, 2019, 5 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 4.4 μg/m3 (18) 18.0
 
May 22, 2019, 4 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
May 22, 2019, 3 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
May 22, 2019, 2 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
May 22, 2019, 1 a.m. 4.0 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
May 22, 2019, midnight 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
May 21, 2019, 11 p.m. 3.4 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
May 21, 2019, 10 p.m. 5.0 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
May 21, 2019, 9 p.m. 6.6 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
May 21, 2019, 8 p.m. 9.4 ppb (9) 2.0 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
May 21, 2019, 7 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A -2.6 μg/m3 (0) 7.0
 
May 21, 2019, 6 p.m. 5.0 ppb (5) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.1 μg/m3 (0) 5.0
 
May 21, 2019, 5 p.m. 5.6 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A N/A 5.0
 
May 21, 2019, 4 p.m. 12.1 ppb (11) 4.8 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A -1.7 μg/m3 (0) 11.0
 
May 21, 2019, 3 p.m. 25.3 ppb (23) 12.1 ppb (11) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A N/A 23.0
 
May 21, 2019, 2 p.m. 12.5 ppb (12) 4.9 ppb (5) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
May 21, 2019, 1 p.m. 7.4 ppb (7) 1.3 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
May 21, 2019, noon 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A -2.0 μg/m3 (0) 8.0
 
May 21, 2019, 11 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.7 μg/m3 (15) 15.0
 
May 21, 2019, 10 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A -1.1 μg/m3 (0) 3.0
 
May 21, 2019, 9 a.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
May 21, 2019, 8 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 4.1 μg/m3 (17) 17.0
 
May 21, 2019, 7 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A -0.4 μg/m3 (0) 1.0
 
May 21, 2019, 6 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A -4.6 μg/m3 (0) 1.0
 
May 21, 2019, 5 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A -2.8 μg/m3 (0) 1.0
 
May 21, 2019, 4 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 2.0
 
May 21, 2019, 3 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A -0.8 μg/m3 (0) 4.0
 
May 21, 2019, 2 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A -2.4 μg/m3 (0) 3.0
 
May 21, 2019, 1 a.m. 2.3 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A N/A 2.0
 
May 21, 2019, midnight 5.4 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A -1.4 μg/m3 (0) 5.0
 
May 20, 2019, 11 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 0.5 μg/m3 (2) 6.0
 
May 20, 2019, 10 p.m. 6.5 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A -1.5 μg/m3 (0) 6.0
 
May 20, 2019, 9 p.m. 7.5 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
May 20, 2019, 8 p.m. 6.3 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 1.8 μg/m3 (8) 8.0
 
May 20, 2019, 7 p.m. 5.3 ppb (5) 1.3 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
 
May 20, 2019, 6 p.m. 4.9 ppb (5) 1.3 ppb (1) 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
 
May 20, 2019, 5 p.m. 6.3 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A -1.2 μg/m3 (0) 6.0
 
May 20, 2019, 4 p.m. 5.3 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
May 20, 2019, 3 p.m. 5.6 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
May 20, 2019, 2 p.m. 6.9 ppb (6) 3.1 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.8 μg/m3 (3) 6.0
 
May 20, 2019, 1 p.m. 5.3 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
May 20, 2019, noon 11.7 ppb (11) 3.9 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 0.7 μg/m3 (3) 11.0
 
May 20, 2019, 11 a.m. 20.4 ppb (19) 6.1 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) N/A N/A N/A 0.9 μg/m3 (4) 19.0
 
May 20, 2019, 10 a.m. 24.5 ppb (23) 5.0 ppb (5) N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A N/A N/A 0.6 μg/m3 (2) 23.0
 
May 20, 2019, 9 a.m. 10.0 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 0.9 μg/m3 (4) 9.0
 
May 20, 2019, 8 a.m. 5.1 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
May 20, 2019, 7 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 1.1 μg/m3 (5) 5.0
 
May 20, 2019, 6 a.m. 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 3.0 ppb (4) N/A N/A N/A 0.4 μg/m3 (2) 4.0
 
May 20, 2019, 5 a.m. 3.9 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
May 20, 2019, 4 a.m. 10.6 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 1.6 μg/m3 (7) 10.0
 
May 20, 2019, 3 a.m. 14.4 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 1.8 μg/m3 (8) 13.0
 
May 20, 2019, 2 a.m. 12.9 ppb (12) 1.7 ppb (2) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 2.2 μg/m3 (9) 12.0
 
May 20, 2019, 1 a.m. 8.9 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 0.5 μg/m3 (2) 8.0
 
May 20, 2019, midnight 6.5 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 0.6 μg/m3 (2) 6.0
 
May 19, 2019, 11 p.m. 5.6 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 19, 2019, 10 p.m. 5.5 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
May 19, 2019, 9 p.m. 4.6 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 1.4 μg/m3 (6) 6.0
 
May 19, 2019, 8 p.m. 5.3 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 0.7 μg/m3 (3) 5.0
 
May 19, 2019, 7 p.m. 4.8 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 0.8 μg/m3 (3) 4.0
 
May 19, 2019, 6 p.m. 4.8 ppb (4) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
May 19, 2019, 5 p.m. 5.2 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 0.7 μg/m3 (3) 5.0
 
May 19, 2019, 4 p.m. 5.2 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 19, 2019, 3 p.m. 5.7 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 1.3 μg/m3 (5) 5.0
 
May 19, 2019, 2 p.m. 6.7 ppb (6) 2.3 ppb (2) 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
 
May 19, 2019, 1 p.m. 6.4 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.4 μg/m3 (14) 14.0
 
May 19, 2019, noon 10.2 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 9.0
 
May 19, 2019, 11 a.m. 7.1 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 7.0
 
May 19, 2019, 10 a.m. 5.9 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A -2.0 μg/m3 (0) 6.0
 
May 19, 2019, 9 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 0.7 μg/m3 (3) 4.0
 
May 19, 2019, 8 a.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
May 19, 2019, 7 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
May 19, 2019, 6 a.m. 5.2 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
May 19, 2019, 5 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 0.2 μg/m3 (1) 6.0
 
May 19, 2019, 4 a.m. 8.7 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
May 19, 2019, 3 a.m. 8.5 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) 8.0
 
May 19, 2019, 2 a.m. 11.9 ppb (11) 0.1 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
May 19, 2019, 1 a.m. 10.7 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
May 19, 2019, midnight 12.3 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
May 18, 2019, 11 p.m. 11.2 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 18, 2019, 10 p.m. 7.6 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
May 18, 2019, 9 p.m. 9.9 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 9.0
 
May 18, 2019, 8 p.m. 10.0 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A N/A N/A 13.9 μg/m3 (54) 54.0
 
May 18, 2019, 7 p.m. 11.9 ppb (11) 0.9 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A N/A N/A 2.0 μg/m3 (8) 11.0
 
May 18, 2019, 6 p.m. 12.1 ppb (11) 1.6 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
May 18, 2019, 5 p.m. 7.5 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
May 18, 2019, 4 p.m. 5.1 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
May 18, 2019, 3 p.m. 12.6 ppb (12) 2.2 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
May 18, 2019, 2 p.m. 10.1 ppb (9) 0.4 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
May 18, 2019, 1 p.m. 8.5 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
May 18, 2019, noon 11.0 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 5.2 μg/m3 (22) 22.0
 
May 18, 2019, 11 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.7 μg/m3 (45) 45.0
 
May 18, 2019, 10 a.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
May 18, 2019, 9 a.m. 3.3 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 18, 2019, 8 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
May 18, 2019, 7 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
May 18, 2019, 6 a.m. 3.8 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
May 18, 2019, 5 a.m. 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
May 18, 2019, 4 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
May 18, 2019, 3 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
May 18, 2019, 2 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
May 18, 2019, 1 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
May 18, 2019, midnight 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 11 p.m. 3.5 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 17, 2019, 10 p.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.5 μg/m3 (35) 35.0
 
May 17, 2019, 9 p.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
May 17, 2019, 8 p.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 7 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 6.2 μg/m3 (26) 26.0
 
May 17, 2019, 6 p.m. 5.5 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
May 17, 2019, 5 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
May 17, 2019, 4 p.m. 5.8 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
May 17, 2019, 3 p.m. 7.9 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 8.4 μg/m3 (35) 35.0
 
May 17, 2019, 2 p.m. 9.1 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.1 μg/m3 (30) 30.0
 
May 17, 2019, 1 p.m. 12.6 ppb (12) 2.6 ppb (2) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
May 17, 2019, noon 11.1 ppb (10) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
May 17, 2019, 11 a.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
May 17, 2019, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
May 17, 2019, 9 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
May 17, 2019, 8 a.m. 3.8 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
May 17, 2019, 7 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
May 17, 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 6.2 μg/m3 (26) 26.0
 
May 17, 2019, 5 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 7.2 μg/m3 (30) 30.0
 
May 17, 2019, 4 a.m. 4.8 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
May 17, 2019, 3 a.m. 4.5 ppb (4) 0.1 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
 
May 17, 2019, 2 a.m. 5.0 ppb (5) 0.0 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