AQSQID: 290950042

Site Name: Blue Ridge I-70

Location: Kansas City (Harvard Lane), MO

Reporting: True, Located: True

Current AQI: 10.0

Kansas City (Harvard Lane) MO, US: 39.047911, -94.450513

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 20, 2019, 1 a.m. 10.1 ppb (9) 0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.21 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
May 20, 2019, midnight 2.9 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 2.7 μg/m3 (11) 11.0
 
May 19, 2019, 11 p.m. 4.4 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 1.1 μg/m3 (5) 5.0
 
May 19, 2019, 10 p.m. 5.3 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 0.2 μg/m3 (1) 5.0
 
May 19, 2019, 9 p.m. 4.5 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
May 19, 2019, 8 p.m. 6.6 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 19, 2019, 7 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 2.2 μg/m3 (9) 9.0
 
May 19, 2019, 6 p.m. 4.6 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
May 19, 2019, 5 p.m. 4.6 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
May 19, 2019, 4 p.m. 4.8 ppb (4) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
May 19, 2019, 3 p.m. 3.9 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 1.3 μg/m3 (5) 5.0
 
May 19, 2019, 2 p.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
May 19, 2019, 1 p.m. 10.5 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.19 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
May 19, 2019, noon 8.2 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
May 19, 2019, 11 a.m. 4.7 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 0.9 μg/m3 (4) 4.0
 
May 19, 2019, 10 a.m. 4.4 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.13 ppb (1) N/A -0.2 μg/m3 (0) 4.0
 
May 19, 2019, 9 a.m. 3.4 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
May 19, 2019, 8 a.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 1.2 μg/m3 (5) 5.0
 
May 19, 2019, 7 a.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
May 19, 2019, 6 a.m. 6.0 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 2.4 μg/m3 (10) 10.0
 
May 19, 2019, 5 a.m. 7.9 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 1.8 μg/m3 (8) 8.0
 
May 19, 2019, 4 a.m. 9.2 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 0.4 μg/m3 (2) 9.0
 
May 19, 2019, 3 a.m. 21.4 ppb (20) 6.9 ppb (6) N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 2.3 μg/m3 (10) 20.0
 
May 19, 2019, 2 a.m. 17.1 ppb (16) 5.9 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.34 ppb (4) N/A 2.3 μg/m3 (10) 16.0
 
May 19, 2019, 1 a.m. 26.3 ppb (24) 7.9 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.45 ppb (5) N/A 7.7 μg/m3 (32) 32.0
 
May 19, 2019, midnight 20.7 ppb (19) 4.5 ppb (4) N/A 16.0 ppb (15) N/A N/A N/A 0.38 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
May 18, 2019, 11 p.m. 18.7 ppb (17) 3.7 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.35 ppb (4) N/A 1.4 μg/m3 (6) 17.0
 
May 18, 2019, 10 p.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A -4.7 μg/m3 (0) 8.0
 
May 18, 2019, 9 p.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 2.7 μg/m3 (11) 11.0
 
May 18, 2019, 8 p.m. 8.8 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A N/A 8.0
 
May 18, 2019, 7 p.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
May 18, 2019, 6 p.m. 28.8 ppb (27) 13.2 ppb (12) N/A 16.0 ppb (15) N/A N/A N/A 0.43 ppb (5) N/A 13.7 μg/m3 (54) 54.0
 
May 18, 2019, 5 p.m. 28.0 ppb (26) 11.3 ppb (10) N/A 17.0 ppb (16) N/A N/A N/A 0.36 ppb (4) N/A -0.2 μg/m3 (0) 26.0
 
May 18, 2019, 4 p.m. 19.1 ppb (18) 4.6 ppb (4) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
May 18, 2019, 3 p.m. 19.9 ppb (18) 8.5 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.36 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
May 18, 2019, 2 p.m. 26.4 ppb (24) 10.8 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 10.8 μg/m3 (45) 45.0
 
May 18, 2019, 1 p.m. 22.8 ppb (21) 7.3 ppb (7) N/A 16.0 ppb (15) N/A N/A N/A 0.34 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
May 18, 2019, noon 12.8 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
May 18, 2019, 11 a.m. 7.3 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 18, 2019, 10 a.m. 6.5 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
May 18, 2019, 9 a.m. 5.3 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
May 18, 2019, 8 a.m. 5.8 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 9.2 μg/m3 (38) 38.0
 
May 18, 2019, 7 a.m. 4.4 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 1.7 μg/m3 (7) 7.0
 
May 18, 2019, 6 a.m. 11.1 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 16.5 μg/m3 (60) 60.0
 
May 18, 2019, 5 a.m. 10.7 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 17.6 μg/m3 (62) 62.0
 
May 18, 2019, 4 a.m. 33.3 ppb (31) 17.0 ppb (16) N/A 16.0 ppb (15) N/A N/A N/A 0.21 ppb (2) N/A 22.7 μg/m3 (73) 73.0
 
May 18, 2019, 3 a.m. 22.2 ppb (21) 9.2 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 14.2 μg/m3 (55) 55.0
 
May 18, 2019, 2 a.m. 19.4 ppb (18) 6.8 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.28 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
May 18, 2019, 1 a.m. 13.1 ppb (12) 4.9 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
May 18, 2019, midnight 18.9 ppb (18) 7.3 ppb (7) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
May 17, 2019, 11 p.m. 19.9 ppb (18) 9.4 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 6.9 μg/m3 (29) 29.0
 
May 17, 2019, 10 p.m. 15.9 ppb (15) 6.3 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 8.7 μg/m3 (36) 36.0
 
May 17, 2019, 9 p.m. 16.6 ppb (15) 6.7 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
May 17, 2019, 8 p.m. 16.3 ppb (15) 7.6 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
May 17, 2019, 7 p.m. 20.7 ppb (19) 9.8 ppb (9) N/A 11.0 ppb (10) N/A N/A N/A 0.31 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 6 p.m. 18.0 ppb (17) 7.4 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.31 ppb (3) N/A 11.4 μg/m3 (48) 48.0
 
May 17, 2019, 5 p.m. 16.0 ppb (15) 6.5 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.26 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
May 17, 2019, 4 p.m. 12.9 ppb (12) 4.8 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.27 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
May 17, 2019, 3 p.m. 10.0 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
May 17, 2019, 2 p.m. 13.6 ppb (13) 4.6 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
May 17, 2019, 1 p.m. 11.7 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
May 17, 2019, noon 13.2 ppb (12) 3.9 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 13.8 μg/m3 (54) 54.0
 
May 17, 2019, 11 a.m. 12.2 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
May 17, 2019, 10 a.m. 8.2 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
May 17, 2019, 9 a.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
May 17, 2019, 8 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
May 17, 2019, 7 a.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
May 17, 2019, 6 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
May 17, 2019, 5 a.m. 6.6 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
May 17, 2019, 4 a.m. 7.9 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
May 17, 2019, 3 a.m. 7.3 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
May 17, 2019, 2 a.m. 8.6 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
May 17, 2019, 1 a.m. 11.0 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
May 17, 2019, midnight 12.1 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
May 16, 2019, 11 p.m. 14.6 ppb (14) 4.5 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 16, 2019, 10 p.m. 12.6 ppb (12) 4.2 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 7.2 μg/m3 (30) 30.0
 
May 16, 2019, 9 p.m. 12.9 ppb (12) 4.9 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 16, 2019, 8 p.m. 15.1 ppb (14) 5.7 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
May 16, 2019, 7 p.m. 10.4 ppb (10) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 14.9 μg/m3 (56) 56.0
 
May 16, 2019, 6 p.m. 9.5 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
May 16, 2019, 5 p.m. 10.1 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 15.8 μg/m3 (58) 58.0
 
May 16, 2019, 4 p.m. 9.8 ppb (9) 3.2 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
May 16, 2019, 3 p.m. 13.4 ppb (12) 4.6 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.27 ppb (3) N/A 8.0 μg/m3 (33) 33.0
 
May 16, 2019, 2 p.m. 13.1 ppb (12) 4.7 ppb (4) N/A 8.0 ppb (7) N/A N/A N/A 0.32 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
May 16, 2019, 1 p.m. 15.3 ppb (14) 5.5 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
May 16, 2019, noon 15.4 ppb (14) 5.2 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
May 16, 2019, 11 a.m. 20.6 ppb (19) 6.3 ppb (6) N/A 14.0 ppb (13) N/A N/A N/A 0.31 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
May 16, 2019, 10 a.m. 15.4 ppb (14) 3.6 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A 2.8 μg/m3 (12) 14.0
 
May 16, 2019, 9 a.m. 7.7 ppb (7) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
May 16, 2019, 8 a.m. 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
May 16, 2019, 7 a.m. 6.7 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
May 16, 2019, 6 a.m. 9.0 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 10.2 μg/m3 (42) 42.0
 
May 16, 2019, 5 a.m. 14.0 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.29 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
May 16, 2019, 4 a.m. 17.2 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.34 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
May 16, 2019, 3 a.m. 26.6 ppb (25) 8.4 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
May 16, 2019, 2 a.m. 42.3 ppb (39) 14.7 ppb (14) N/A 28.0 ppb (26) N/A N/A N/A 0.58 ppb (6) N/A 13.4 μg/m3 (53) 53.0
 
May 16, 2019, 1 a.m. 47.7 ppb (44) 19.6 ppb (18) N/A 28.0 ppb (26) N/A N/A N/A 0.5 ppb (6) N/A 15.9 μg/m3 (58) 58.0
 
May 16, 2019, midnight 35.4 ppb (33) 12.1 ppb (11) N/A 23.0 ppb (21) N/A N/A N/A 0.46 ppb (5) N/A 7.2 μg/m3 (30) 33.0
 
May 15, 2019, 11 p.m. 34.0 ppb (31) 13.7 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.49 ppb (5) N/A 9.2 μg/m3 (38) 38.0
 
May 15, 2019, 10 p.m. 27.9 ppb (26) 10.4 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.45 ppb (5) N/A 6.6 μg/m3 (28) 28.0
 
May 15, 2019, 9 p.m. 33.3 ppb (31) 12.9 ppb (12) N/A 20.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A 11.6 μg/m3 (48) 48.0
 
May 15, 2019, 8 p.m. 32.3 ppb (30) 12.1 ppb (11) N/A 20.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 11.2 μg/m3 (47) 47.0
 
May 15, 2019, 7 p.m. 29.4 ppb (27) 12.1 ppb (11) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A 11.4 μg/m3 (48) 48.0
 
May 15, 2019, 6 p.m. 25.7 ppb (24) 9.6 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.37 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
May 15, 2019, 5 p.m. 17.1 ppb (16) 6.2 ppb (6) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
May 15, 2019, 4 p.m. 10.4 ppb (10) 3.0 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
May 15, 2019, 3 p.m. 11.3 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 15, 2019, 2 p.m. 8.0 ppb (7) 1.4 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
May 15, 2019, 1 p.m. 31.1 ppb (29) 11.7 ppb (11) N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) N/A 4.7 μg/m3 (20) 29.0
 
May 15, 2019, noon 34.9 ppb (32) 15.7 ppb (15) N/A 19.0 ppb (18) N/A N/A N/A 0.54 ppb (6) N/A 3.9 μg/m3 (16) 32.0
 
May 15, 2019, 11 a.m. 38.6 ppb (36) 14.3 ppb (13) N/A 24.0 ppb (22) N/A N/A N/A 0.62 ppb (7) N/A 11.1 μg/m3 (46) 46.0
 
May 15, 2019, 10 a.m. 36.1 ppb (33) 12.8 ppb (12) N/A 23.0 ppb (21) N/A N/A N/A 0.46 ppb (5) N/A 12.9 μg/m3 (52) 52.0
 
May 15, 2019, 9 a.m. 54.4 ppb (50) 24.2 ppb (22) N/A 30.0 ppb (28) N/A N/A N/A 0.44 ppb (5) N/A 12.4 μg/m3 (51) 51.0
 
May 15, 2019, 8 a.m. 80.9 ppb (79) 47.9 ppb (44) N/A 33.0 ppb (31) N/A N/A N/A 0.51 ppb (6) N/A 14.4 μg/m3 (55) 79.0
 
May 15, 2019, 7 a.m. 70.5 ppb (68) 35.2 ppb (33) N/A 35.0 ppb (32) N/A N/A N/A 0.5 ppb (6) N/A 13.5 μg/m3 (53) 68.0
 
May 15, 2019, 6 a.m. 39.9 ppb (37) 9.6 ppb (9) N/A 30.0 ppb (28) N/A N/A N/A 0.4 ppb (4) N/A 10.9 μg/m3 (45) 45.0
 
May 15, 2019, 5 a.m. 22.9 ppb (21) 2.0 ppb (2) N/A 21.0 ppb (19) N/A N/A N/A 0.3 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
May 15, 2019, 4 a.m. 30.2 ppb (28) 6.8 ppb (6) N/A 24.0 ppb (22) N/A N/A N/A 0.41 ppb (5) N/A 10.6 μg/m3 (44) 44.0
 
May 15, 2019, 3 a.m. 29.1 ppb (27) 6.8 ppb (6) N/A 22.0 ppb (20) N/A N/A N/A 0.38 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
May 15, 2019, 2 a.m. 42.6 ppb (39) 6.0 ppb (6) N/A 37.0 ppb (34) N/A N/A N/A 0.51 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
May 15, 2019, 1 a.m. 37.0 ppb (34) 7.5 ppb (7) N/A 30.0 ppb (28) N/A N/A N/A 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
May 15, 2019, midnight 21.1 ppb (20) 4.2 ppb (4) N/A 17.0 ppb (16) N/A N/A N/A 0.31 ppb (3) N/A 7.0 μg/m3 (29) 29.0
 
May 14, 2019, 11 p.m. 14.9 ppb (14) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
May 14, 2019, 10 p.m. 18.0 ppb (17) 5.6 ppb (5) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 6.3 μg/m3 (26) 26.0
 
May 14, 2019, 9 p.m. 21.2 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
May 14, 2019, 8 p.m. 22.1 ppb (20) 10.4 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
May 14, 2019, 7 p.m. 22.6 ppb (21) 10.8 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.31 ppb (3) N/A 0.0 μg/m3 (0) 21.0
 
May 14, 2019, 6 p.m. 24.7 ppb (23) 12.7 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.29 ppb (3) N/A N/A 23.0
 
May 14, 2019, 5 p.m. 20.5 ppb (19) 10.9 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
May 14, 2019, 3 p.m. 20.6 ppb (19) 11.1 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
May 14, 2019, 2 p.m. 24.0 ppb (22) 14.5 ppb (13) N/A 10.0 ppb (9) N/A N/A N/A 0.28 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
May 14, 2019, 1 p.m. 31.8 ppb (29) 19.0 ppb (18) N/A 13.0 ppb (12) N/A N/A N/A 0.31 ppb (3) N/A 1.6 μg/m3 (7) 29.0
 
May 14, 2019, noon 29.0 ppb (27) 17.0 ppb (16) N/A 12.0 ppb (11) N/A N/A N/A 0.36 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
May 14, 2019, 11 a.m. 28.7 ppb (27) 16.0 ppb (15) N/A 13.0 ppb (12) N/A N/A N/A 0.39 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
May 14, 2019, 10 a.m. 15.5 ppb (14) 7.6 ppb (7) N/A 8.0 ppb (7) N/A N/A N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
May 14, 2019, 9 a.m. 10.2 ppb (9) 4.4 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 2.5 μg/m3 (10) 10.0
 
May 14, 2019, 8 a.m. 7.8 ppb (7) 3.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
May 14, 2019, 7 a.m. 7.5 ppb (7) 3.3 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
May 14, 2019, 6 a.m. 7.7 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
May 14, 2019, 5 a.m. 14.8 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.22 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
May 14, 2019, 4 a.m. 17.8 ppb (16) 5.1 ppb (5) N/A 13.0 ppb (12) N/A N/A N/A 0.29 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
May 14, 2019, 3 a.m. 28.9 ppb (27) 10.9 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 12.9 μg/m3 (52) 52.0
 
May 14, 2019, 2 a.m. 36.4 ppb (34) 12.3 ppb (11) N/A 24.0 ppb (22) N/A N/A N/A 0.39 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
May 14, 2019, 1 a.m. 54.3 ppb (50) 30.1 ppb (28) N/A 24.0 ppb (22) N/A N/A N/A 0.38 ppb (4) N/A 9.9 μg/m3 (41) 50.0
 
May 14, 2019, midnight 27.6 ppb (26) 9.8 ppb (9) N/A 18.0 ppb (17) N/A N/A N/A 0.38 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
May 13, 2019, 11 p.m. 26.5 ppb (25) 10.7 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.39 ppb (4) N/A 6.5 μg/m3 (27) 27.0
 
May 13, 2019, 10 p.m. 26.4 ppb (24) 10.7 ppb (10) N/A 16.0 ppb (15) N/A N/A N/A 0.36 ppb (4) N/A 6.7 μg/m3 (28) 28.0
 
May 13, 2019, 9 p.m. 22.8 ppb (21) 10.2 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
May 13, 2019, 8 p.m. 22.4 ppb (21) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 9.9 μg/m3 (41) 41.0
 
May 13, 2019, 7 p.m. 14.6 ppb (14) 6.6 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
May 13, 2019, 6 p.m. 9.6 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 0.5 μg/m3 (2) 9.0
 
May 13, 2019, 5 p.m. 10.1 ppb (9) 4.5 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A N/A 9.0
 
May 13, 2019, 4 p.m. 21.0 ppb (19) 11.1 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2019, 3 p.m. 20.6 ppb (19) 10.7 ppb (10) N/A 10.0 ppb (9) N/A N/A N/A 0.3 ppb (3) N/A 0.9 μg/m3 (4) 19.0
 
May 13, 2019, 2 p.m. 27.9 ppb (26) 17.5 ppb (16) N/A 10.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A -0.6 μg/m3 (0) 26.0
 
May 13, 2019, 1 p.m. 30.5 ppb (28) 17.6 ppb (16) N/A 13.0 ppb (12) N/A N/A N/A 0.36 ppb (4) N/A 3.8 μg/m3 (16) 28.0
 
May 13, 2019, noon 36.7 ppb (34) 19.7 ppb (18) N/A 17.0 ppb (16) N/A N/A N/A 0.39 ppb (4) N/A 6.2 μg/m3 (26) 34.0
 
May 13, 2019, 11 a.m. 17.5 ppb (16) 4.8 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.27 ppb (3) N/A 4.0 μg/m3 (17) 17.0
 
May 13, 2019, 10 a.m. 23.3 ppb (22) 5.9 ppb (5) N/A 17.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 6.6 μg/m3 (28) 28.0
 
May 13, 2019, 9 a.m. 21.4 ppb (20) 5.7 ppb (5) N/A 16.0 ppb (15) N/A N/A N/A 0.25 ppb (3) N/A 4.2 μg/m3 (18) 20.0
 
May 13, 2019, 8 a.m. 10.6 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.18 ppb (2) N/A 1.7 μg/m3 (7) 10.0
 
May 13, 2019, 7 a.m. 4.5 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 2.8 μg/m3 (12) 12.0
 
May 13, 2019, 6 a.m. 5.4 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 1.1 μg/m3 (5) 5.0
 
May 13, 2019, 5 a.m. 5.5 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 0.8 μg/m3 (3) 5.0
 
May 13, 2019, 4 a.m. 8.4 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.2 ppb (2) N/A 1.7 μg/m3 (7) 8.0
 
May 13, 2019, 3 a.m. 8.9 ppb (8) 0.3 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 3.9 μg/m3 (16) 16.0
 
May 13, 2019, 2 a.m. 18.2 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A N/A 0.4 ppb (4) N/A 9.9 μg/m3 (41) 41.0