ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

Added: April 21, 2020, 6:24 p.m.

Updated: July 5, 2020, 2:34 a.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 116.0

Kansas City (Ashland Ridge) MO, US: 39.047911, -94.450513

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 5, 2020, 1 a.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.39 ppb (4) N/A 42.1 μg/m3 (116) 116.0
 
July 5, 2020, midnight 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A 20.9 μg/m3 (69) 69.0
 
July 4, 2020, 11 p.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.36 ppb (4) N/A 30.1 μg/m3 (89) 89.0
 
July 4, 2020, 10 p.m. 6.3 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 9 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (3) N/A 9.4 μg/m3 (39) 39.0
 
July 4, 2020, 8 p.m. 5.0 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (3) N/A 7.7 μg/m3 (32) 32.0
 
July 4, 2020, 7 p.m. 8.5 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.31 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
July 4, 2020, 6 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 14.2 μg/m3 (55) 55.0
 
July 4, 2020, 5 p.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
July 4, 2020, 4 p.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
July 4, 2020, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 17.1 μg/m3 (61) 61.0
 
July 4, 2020, 2 p.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.24 ppb (3) N/A 24.5 μg/m3 (77) 77.0
 
July 4, 2020, 1 p.m. 2.4 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.65 ppb (7) N/A 12.4 μg/m3 (51) 51.0
 
July 4, 2020, noon 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 11.1 μg/m3 (46) 46.0
 
July 4, 2020, 11 a.m. 2.6 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
July 4, 2020, 10 a.m. 2.4 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 12.1 μg/m3 (50) 50.0
 
July 4, 2020, 9 a.m. 3.2 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 4, 2020, 8 a.m. 1.8 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
July 4, 2020, 7 a.m. 1.4 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
July 4, 2020, 6 a.m. 2.5 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
July 4, 2020, 5 a.m. 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 9.3 μg/m3 (39) 39.0
 
July 4, 2020, 4 a.m. 2.5 ppb (2) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
July 4, 2020, 3 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 19.3 μg/m3 (66) 66.0
 
July 4, 2020, 2 a.m. 9.9 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 20.8 μg/m3 (69) 69.0
 
July 4, 2020, 1 a.m. 7.8 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.26 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 4, 2020, midnight 9.9 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
July 3, 2020, 11 p.m. 6.3 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
July 3, 2020, 10 p.m. 11.5 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 9 p.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 10.5 μg/m3 (44) 44.0
 
July 3, 2020, 8 p.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
July 3, 2020, 7 p.m. 7.0 ppb (6) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
July 3, 2020, 6 p.m. 3.0 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 11.3 μg/m3 (47) 47.0
 
July 3, 2020, 5 p.m. 7.0 ppb (6) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
July 3, 2020, 4 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
July 3, 2020, 3 p.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 11.2 μg/m3 (47) 47.0
 
July 3, 2020, 2 p.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
July 3, 2020, 1 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A -0.2 μg/m3 (0) 5.0
 
July 3, 2020, noon 8.9 ppb (8) 1.4 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 11.1 μg/m3 (46) 46.0
 
July 3, 2020, 11 a.m. 20.0 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (14) N/A N/A N/A 0.37 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
July 3, 2020, 10 a.m. 14.0 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 16.4 μg/m3 (59) 59.0
 
July 3, 2020, 9 a.m. 14.2 ppb (13) 0.6 ppb (1) N/A 14.0 ppb (13) N/A N/A N/A 0.29 ppb (3) N/A 11.8 μg/m3 (49) 49.0
 
July 3, 2020, 8 a.m. 15.2 ppb (14) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.28 ppb (3) N/A 12.4 μg/m3 (51) 51.0
 
July 3, 2020, 7 a.m. 19.4 ppb (18) 3.4 ppb (3) N/A 16.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 13.4 μg/m3 (53) 53.0
 
July 3, 2020, 6 a.m. 21.0 ppb (19) 1.4 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.43 ppb (5) N/A 19.6 μg/m3 (66) 66.0
 
July 3, 2020, 5 a.m. 10.5 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.31 ppb (3) N/A N/A 10.0
 
July 3, 2020, 4 a.m. 11.3 ppb (10) -0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 52.3 μg/m3 (142) 142.0
 
July 3, 2020, 3 a.m. 19.0 ppb (18) 0.2 ppb (0) N/A 19.0 ppb (18) N/A N/A N/A 0.48 ppb (5) N/A 40.4 μg/m3 (112) 112.0
 
July 3, 2020, 2 a.m. 21.5 ppb (20) 3.6 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 9.1 μg/m3 (38) 38.0
 
July 3, 2020, 1 a.m. 9.7 ppb (9) 1.5 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
July 3, 2020, midnight 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
July 2, 2020, 11 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 12.6 μg/m3 (51) 51.0
 
July 2, 2020, 10 p.m. 4.8 ppb (4) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
July 2, 2020, 9 p.m. 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
July 2, 2020, 8 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.16 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
July 2, 2020, 7 p.m. 4.6 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
July 2, 2020, 6 p.m. 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
July 2, 2020, 5 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 2, 2020, 4 p.m. 2.7 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
July 2, 2020, 3 p.m. 5.6 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 2.6 μg/m3 (11) 11.0
 
July 2, 2020, 2 p.m. 6.2 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
July 2, 2020, 1 p.m. 6.0 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
July 2, 2020, noon 14.2 ppb (13) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
July 2, 2020, 11 a.m. 19.9 ppb (18) 8.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.39 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
July 2, 2020, 10 a.m. 7.3 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.18 ppb (2) N/A 3.7 μg/m3 (15) 15.0
 
July 2, 2020, 9 a.m. 10.1 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.18 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
July 2, 2020, 8 a.m. 6.2 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 4.2 μg/m3 (18) 18.0
 
July 2, 2020, 7 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 2.6 μg/m3 (11) 11.0
 
July 2, 2020, 6 a.m. 7.5 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 2, 2020, 5 a.m. 9.5 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A 6.1 μg/m3 (25) 25.0
 
July 2, 2020, 4 a.m. 10.5 ppb (10) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
July 2, 2020, 3 a.m. 16.6 ppb (15) 4.7 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.29 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
July 2, 2020, 2 a.m. 10.0 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A 8.6 μg/m3 (36) 36.0
 
July 2, 2020, 1 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
July 2, 2020, midnight 2.3 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.14 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
July 1, 2020, 11 p.m. 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
July 1, 2020, 10 p.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
July 1, 2020, 9 p.m. 4.3 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 13.8 μg/m3 (54) 54.0
 
July 1, 2020, 8 p.m. 2.9 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.16 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
July 1, 2020, 7 p.m. 4.8 ppb (4) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 1, 2020, 6 p.m. 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
July 1, 2020, 5 p.m. 16.8 ppb (16) 7.4 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
July 1, 2020, 4 p.m. 30.1 ppb (28) 16.6 ppb (15) N/A 14.0 ppb (13) N/A N/A N/A 0.26 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
July 1, 2020, 3 p.m. 24.4 ppb (23) 12.6 ppb (12) N/A 12.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
July 1, 2020, 2 p.m. 24.5 ppb (23) 10.8 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 0.0 μg/m3 (0) 23.0
 
July 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 1, 2020, 10 a.m. 4.6 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 18.1 μg/m3 (63) 63.0
 
July 1, 2020, 9 a.m. 8.0 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 17.6 μg/m3 (62) 62.0
 
June 30, 2020, 5 p.m. 16.5 ppb (15) 9.1 ppb (8) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 16.8 μg/m3 (60) 60.0
 
June 30, 2020, 4 p.m. 15.8 ppb (15) 9.6 ppb (9) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 15.1 μg/m3 (57) 57.0
 
June 30, 2020, 3 p.m. 17.4 ppb (16) 10.7 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 16.4 μg/m3 (59) 59.0
 
June 30, 2020, 2 p.m. 13.7 ppb (13) 8.6 ppb (8) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 10.1 μg/m3 (42) 42.0
 
June 30, 2020, 1 p.m. 15.0 ppb (14) 9.6 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 13.6 μg/m3 (53) 53.0
 
June 30, 2020, noon 14.8 ppb (14) 9.9 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 11.9 μg/m3 (50) 50.0
 
June 30, 2020, 11 a.m. 16.2 ppb (15) 10.8 ppb (10) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (3) N/A 13.2 μg/m3 (53) 53.0
 
June 30, 2020, 10 a.m. 14.3 ppb (13) 9.2 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
June 30, 2020, 9 a.m. 5.1 ppb (5) 2.3 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 12.1 μg/m3 (50) 50.0
 
June 30, 2020, 8 a.m. 4.4 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.14 ppb (2) N/A 12.8 μg/m3 (52) 52.0
 
June 30, 2020, 7 a.m. 4.4 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.14 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
June 30, 2020, 6 a.m. 4.8 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
June 30, 2020, 5 a.m. 3.9 ppb (4) 1.6 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 10.2 μg/m3 (42) 42.0
 
June 30, 2020, 4 a.m. 6.6 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 9.9 μg/m3 (41) 41.0
 
June 30, 2020, 3 a.m. 10.5 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 12.3 μg/m3 (51) 51.0
 
June 30, 2020, 2 a.m. 13.6 ppb (13) 6.2 ppb (6) N/A 7.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 11.1 μg/m3 (46) 46.0
 
June 30, 2020, 1 a.m. 15.3 ppb (14) 6.9 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 15.8 μg/m3 (58) 58.0
 
June 30, 2020, midnight 13.5 ppb (12) 6.0 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.29 ppb (3) N/A 12.2 μg/m3 (50) 50.0
 
June 29, 2020, 11 p.m. 15.0 ppb (14) 7.9 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 20.9 μg/m3 (69) 69.0
 
June 29, 2020, 10 p.m. 18.0 ppb (17) 10.6 ppb (10) N/A 7.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 25.0 μg/m3 (78) 78.0
 
June 29, 2020, 9 p.m. 21.2 ppb (20) 12.8 ppb (12) N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
June 29, 2020, 8 p.m. 22.8 ppb (21) 14.3 ppb (13) N/A 9.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 15.9 μg/m3 (58) 58.0
 
June 29, 2020, 7 p.m. 16.7 ppb (15) 10.1 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
June 29, 2020, 6 p.m. 11.6 ppb (11) 7.7 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
June 29, 2020, 5 p.m. 18.1 ppb (17) 12.0 ppb (11) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 13.1 μg/m3 (52) 52.0
 
June 29, 2020, 4 p.m. 16.0 ppb (15) 10.3 ppb (10) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
June 29, 2020, 3 p.m. 13.3 ppb (12) 7.8 ppb (7) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
June 29, 2020, 2 p.m. 12.1 ppb (11) 7.9 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 14.6 μg/m3 (56) 56.0
 
June 29, 2020, 1 p.m. 12.8 ppb (12) 8.3 ppb (8) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 9.4 μg/m3 (39) 39.0
 
June 29, 2020, noon 14.7 ppb (14) 9.9 ppb (9) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
June 29, 2020, 11 a.m. 11.5 ppb (11) 7.2 ppb (7) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 12.3 μg/m3 (51) 51.0
 
June 29, 2020, 10 a.m. 9.2 ppb (9) 4.8 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 13.5 μg/m3 (53) 53.0
 
June 29, 2020, 9 a.m. 3.6 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.13 ppb (1) N/A 14.1 μg/m3 (54) 54.0
 
June 29, 2020, 8 a.m. 2.4 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.12 ppb (1) N/A 14.5 μg/m3 (55) 55.0
 
June 29, 2020, 7 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.12 ppb (1) N/A 18.3 μg/m3 (63) 63.0
 
June 29, 2020, 6 a.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.12 ppb (1) N/A 19.3 μg/m3 (66) 66.0
 
June 29, 2020, 5 a.m. 3.2 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.14 ppb (2) N/A 19.5 μg/m3 (66) 66.0
 
June 29, 2020, 4 a.m. 7.9 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 22.3 μg/m3 (72) 72.0
 
June 29, 2020, 3 a.m. 7.8 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 21.8 μg/m3 (71) 71.0
 
June 29, 2020, 2 a.m. 7.7 ppb (7) 3.6 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 24.3 μg/m3 (76) 76.0
 
June 29, 2020, 1 a.m. 10.1 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (3) N/A 28.4 μg/m3 (85) 85.0
 
June 29, 2020, midnight 12.4 ppb (11) 6.1 ppb (6) N/A 6.0 ppb (6) N/A N/A N/A 0.34 ppb (4) N/A 33.0 μg/m3 (95) 95.0
 
June 28, 2020, 11 p.m. 11.8 ppb (11) 5.8 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 33.0 μg/m3 (95) 95.0
 
June 28, 2020, 10 p.m. 9.4 ppb (9) 4.7 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 32.1 μg/m3 (93) 93.0
 
June 28, 2020, 9 p.m. 7.6 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 38.2 μg/m3 (107) 107.0
 
June 28, 2020, 8 p.m. 9.3 ppb (9) 5.0 ppb (5) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (3) N/A 35.5 μg/m3 (100) 100.0
 
June 28, 2020, 7 p.m. 8.4 ppb (8) 4.1 ppb (4) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (3) N/A 39.6 μg/m3 (110) 110.0
 
June 28, 2020, 6 p.m. 8.7 ppb (8) 4.1 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 44.0 μg/m3 (121) 121.0
 
June 28, 2020, 5 p.m. 7.4 ppb (7) 4.1 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.23 ppb (3) N/A 40.5 μg/m3 (112) 112.0
 
June 28, 2020, 4 p.m. 8.0 ppb (7) 4.9 ppb (5) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 40.6 μg/m3 (113) 113.0
 
June 28, 2020, 3 p.m. 6.2 ppb (6) 3.5 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A N/A 6.0
 
June 28, 2020, 2 p.m. 10.1 ppb (9) 5.0 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 0.0 μg/m3 (0) 9.0
 
June 28, 2020, 1 p.m. 10.4 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 0.0 μg/m3 (0) 10.0
 
June 28, 2020, noon 6.6 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 38.4 μg/m3 (107) 107.0
 
June 28, 2020, 11 a.m. 12.2 ppb (11) 3.2 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.3 ppb (3) N/A 47.4 μg/m3 (130) 130.0
 
June 28, 2020, 10 a.m. 6.6 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 45.4 μg/m3 (125) 125.0
 
June 28, 2020, 9 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 43.1 μg/m3 (119) 119.0
 
June 28, 2020, 8 a.m. 5.1 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 31.9 μg/m3 (92) 92.0
 
June 28, 2020, 7 a.m. 5.8 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 27.4 μg/m3 (83) 83.0
 
June 28, 2020, 6 a.m. 7.3 ppb (7) 2.4 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 25.8 μg/m3 (79) 79.0
 
June 28, 2020, 5 a.m. 11.0 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 19.6 μg/m3 (66) 66.0
 
June 28, 2020, 4 a.m. 11.3 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 14.2 μg/m3 (55) 55.0
 
June 28, 2020, 3 a.m. 16.2 ppb (15) 4.4 ppb (4) N/A 12.0 ppb (11) N/A N/A N/A 0.45 ppb (5) N/A 17.7 μg/m3 (62) 62.0
 
June 28, 2020, 2 a.m. 17.1 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (13) N/A N/A N/A 0.39 ppb (4) N/A 21.3 μg/m3 (70) 70.0
 
June 28, 2020, 1 a.m. 15.4 ppb (14) 2.9 ppb (3) N/A 13.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 19.4 μg/m3 (66) 66.0
 
June 28, 2020, midnight 17.0 ppb (16) 5.7 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.43 ppb (5) N/A 19.6 μg/m3 (66) 66.0
 
June 27, 2020, 11 p.m. 15.1 ppb (14) 5.8 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.33 ppb (4) N/A 17.2 μg/m3 (61) 61.0
 
June 27, 2020, 10 p.m. 18.9 ppb (18) 8.3 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 1.6 μg/m3 (7) 18.0
 
June 27, 2020, 9 p.m. 21.8 ppb (20) 9.4 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.37 ppb (4) N/A 2.5 μg/m3 (10) 20.0
 
June 27, 2020, 8 p.m. 16.7 ppb (15) 6.9 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
June 27, 2020, 7 p.m. 14.0 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 16.8 μg/m3 (60) 60.0
 
June 27, 2020, 6 p.m. 9.3 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 3.2 μg/m3 (13) 13.0
 
June 27, 2020, 5 p.m. 5.4 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
June 27, 2020, 4 p.m. 10.5 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
June 27, 2020, 3 p.m. 10.9 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
June 27, 2020, 2 p.m. 21.1 ppb (20) 8.3 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.24 ppb (3) N/A 0.2 μg/m3 (1) 20.0
 
June 27, 2020, 1 p.m. 12.9 ppb (12) 3.7 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.21 ppb (2) N/A -0.5 μg/m3 (0) 12.0
 
June 27, 2020, noon 12.3 ppb (11) 3.1 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.19 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 27, 2020, 11 a.m. 9.0 ppb (8) 0.9 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.18 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
June 27, 2020, 10 a.m. 9.0 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.16 ppb (2) N/A 6.1 μg/m3 (25) 25.0