ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

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

Updated: Aug. 3, 2021, 11:02 p.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 31.0

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
Aug. 3, 2021, 9 p.m. 0.5 ppb (1) -2.0 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.24 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Aug. 3, 2021, 8 p.m. -0.9 ppb (0) -2.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.24 ppb (3) N/A 13.4 μg/m3 (54) 54.0
 
Aug. 3, 2021, 7 p.m. 1.2 ppb (2) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.25 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 3, 2021, 6 p.m. 6.5 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 18.2 μg/m3 (64) 64.0
 
Aug. 3, 2021, 5 p.m. 2.2 ppb (3) -0.9 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 14.6 μg/m3 (57) 57.0
 
Aug. 3, 2021, 4 p.m. 3.3 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.3 ppb (4) N/A 14.0 μg/m3 (55) 55.0
 
Aug. 3, 2021, 3 p.m. 2.4 ppb (3) -1.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.32 ppb (4) N/A 19.8 μg/m3 (68) 68.0
 
Aug. 3, 2021, 2 p.m. 0.0 ppb (0) -2.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.33 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
Aug. 3, 2021, 1 p.m. 2.7 ppb (3) -1.9 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.33 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Aug. 3, 2021, noon 5.0 ppb (5) -1.7 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 14.6 μg/m3 (57) 57.0
 
Aug. 3, 2021, 11 a.m. 4.7 ppb (5) -2.8 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 10.8 μg/m3 (46) 46.0
 
Aug. 3, 2021, 10 a.m. 2.5 ppb (3) -3.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 12.7 μg/m3 (53) 53.0
 
Aug. 3, 2021, 9 a.m. -0.4 ppb (0) -3.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 12.6 μg/m3 (53) 53.0
 
Aug. 3, 2021, 8 a.m. 0.9 ppb (1) -3.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.27 ppb (4) N/A 12.6 μg/m3 (53) 53.0
 
Aug. 3, 2021, 7 a.m. 0.2 ppb (1) -3.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
Aug. 3, 2021, 6 a.m. 1.9 ppb (2) -3.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.3 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
Aug. 3, 2021, 5 a.m. 1.7 ppb (2) -3.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 16.0 μg/m3 (60) 60.0
 
Aug. 3, 2021, 4 a.m. 2.0 ppb (2) -3.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.28 ppb (4) N/A 17.9 μg/m3 (64) 64.0
 
Aug. 3, 2021, 3 a.m. 2.4 ppb (3) -3.3 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 17.8 μg/m3 (63) 63.0
 
Aug. 3, 2021, 2 a.m. 1.3 ppb (2) -3.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.32 ppb (4) N/A 20.2 μg/m3 (69) 69.0
 
Aug. 3, 2021, 1 a.m. 0.1 ppb (1) -3.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.38 ppb (5) N/A 30.4 μg/m3 (90) 90.0
 
Aug. 3, 2021, midnight -1.2 ppb (0) -3.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.4 ppb (5) N/A 29.8 μg/m3 (89) 89.0
 
Aug. 2, 2021, 11 p.m. -1.5 ppb (0) -3.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.35 ppb (4) N/A 29.8 μg/m3 (89) 89.0
 
Aug. 2, 2021, 10 p.m. -1.3 ppb (0) -3.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.37 ppb (5) N/A 31.3 μg/m3 (92) 92.0
 
Aug. 2, 2021, 9 p.m. -1.5 ppb (0) -3.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.34 ppb (4) N/A 30.3 μg/m3 (90) 90.0
 
Aug. 2, 2021, 8 p.m. -1.5 ppb (0) -3.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.33 ppb (4) N/A 30.2 μg/m3 (90) 90.0
 
Aug. 2, 2021, 7 p.m. -1.5 ppb (0) -3.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.34 ppb (4) N/A 31.0 μg/m3 (91) 91.0
 
Aug. 2, 2021, 6 p.m. 2.7 ppb (3) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.35 ppb (4) N/A 28.1 μg/m3 (85) 85.0
 
Aug. 2, 2021, 5 p.m. -0.8 ppb (0) -2.8 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.36 ppb (5) N/A 23.4 μg/m3 (75) 75.0
 
Aug. 2, 2021, 4 p.m. -0.7 ppb (0) -2.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.34 ppb (4) N/A 29.3 μg/m3 (88) 88.0
 
Aug. 2, 2021, 3 p.m. -1.7 ppb (0) -3.0 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.33 ppb (4) N/A 31.0 μg/m3 (91) 91.0
 
Aug. 2, 2021, 2 p.m. 1.6 ppb (2) -1.9 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.37 ppb (5) N/A 30.4 μg/m3 (90) 90.0
 
Aug. 2, 2021, 1 p.m. 3.2 ppb (4) -1.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.42 ppb (5) N/A 37.5 μg/m3 (106) 106.0
 
Aug. 2, 2021, noon 6.3 ppb (6) -1.3 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.44 ppb (5) N/A 38.1 μg/m3 (108) 108.0
 
Aug. 2, 2021, 11 a.m. 6.6 ppb (7) -1.9 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.46 ppb (6) N/A 41.4 μg/m3 (116) 116.0
 
Aug. 2, 2021, 10 a.m. 2.4 ppb (3) -3.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.43 ppb (5) N/A 38.8 μg/m3 (110) 110.0
 
Aug. 2, 2021, 9 a.m. 1.8 ppb (2) -3.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.38 ppb (5) N/A 41.2 μg/m3 (116) 116.0
 
Aug. 2, 2021, 8 a.m. 0.9 ppb (1) -3.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.37 ppb (5) N/A 44.6 μg/m3 (124) 124.0
 
Aug. 2, 2021, 7 a.m. 0.2 ppb (1) -3.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.39 ppb (5) N/A 44.0 μg/m3 (122) 122.0
 
Aug. 2, 2021, 6 a.m. 0.1 ppb (1) -3.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.41 ppb (5) N/A 48.2 μg/m3 (133) 133.0
 
Aug. 2, 2021, 5 a.m. 5.1 ppb (5) -3.6 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.41 ppb (5) N/A 49.7 μg/m3 (136) 136.0
 
Aug. 2, 2021, 4 a.m. 2.1 ppb (2) -3.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.44 ppb (5) N/A 51.1 μg/m3 (140) 140.0
 
Aug. 2, 2021, 3 a.m. 0.3 ppb (1) -3.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.44 ppb (5) N/A 50.6 μg/m3 (139) 139.0
 
Aug. 2, 2021, 2 a.m. -0.3 ppb (0) -3.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.44 ppb (5) N/A 60.8 μg/m3 (154) 154.0
 
Aug. 2, 2021, 1 a.m. -0.7 ppb (0) -3.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.43 ppb (5) N/A 48.9 μg/m3 (134) 134.0
 
Aug. 2, 2021, midnight -1.1 ppb (0) -3.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.43 ppb (5) N/A 42.9 μg/m3 (120) 120.0
 
Aug. 1, 2021, 11 p.m. -0.2 ppb (0) -3.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.4 ppb (5) N/A 38.2 μg/m3 (108) 108.0
 
Aug. 1, 2021, 10 p.m. -2.3 ppb (0) -3.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.38 ppb (5) N/A 46.5 μg/m3 (129) 129.0
 
Aug. 1, 2021, 9 p.m. -2.5 ppb (0) -3.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.33 ppb (4) N/A 33.2 μg/m3 (96) 96.0
 
Aug. 1, 2021, 8 p.m. -2.4 ppb (0) -3.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.32 ppb (4) N/A 44.1 μg/m3 (123) 123.0
 
Aug. 1, 2021, 7 p.m. -2.0 ppb (0) -3.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.37 ppb (5) N/A 44.6 μg/m3 (124) 124.0
 
Aug. 1, 2021, 6 p.m. 0.0 ppb (0) -2.8 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.37 ppb (5) N/A 40.8 μg/m3 (115) 115.0
 
Aug. 1, 2021, 5 p.m. -0.2 ppb (0) -2.8 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.35 ppb (4) N/A 36.7 μg/m3 (104) 104.0
 
Aug. 1, 2021, 4 p.m. 1.5 ppb (2) -2.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.35 ppb (4) N/A 40.2 μg/m3 (113) 113.0
 
Aug. 1, 2021, 3 p.m. 0.1 ppb (1) -2.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.36 ppb (5) N/A 33.7 μg/m3 (97) 97.0
 
Aug. 1, 2021, 2 p.m. 2.4 ppb (3) -1.9 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.36 ppb (5) N/A 29.1 μg/m3 (87) 87.0
 
Aug. 1, 2021, 1 p.m. 2.0 ppb (2) -2.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.36 ppb (5) N/A 34.0 μg/m3 (98) 98.0
 
Aug. 1, 2021, noon 5.3 ppb (5) -2.4 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.35 ppb (4) N/A 27.8 μg/m3 (85) 85.0
 
Aug. 1, 2021, 11 a.m. 6.8 ppb (7) -2.5 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.4 ppb (5) N/A 21.3 μg/m3 (71) 71.0
 
Aug. 1, 2021, 10 a.m. 9.9 ppb (10) -1.1 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Aug. 1, 2021, 9 a.m. 15.0 ppb (15) 2.3 ppb (3) N/A 13.0 ppb (13) N/A N/A N/A 0.53 ppb (6) N/A 19.2 μg/m3 (66) 66.0
 
Aug. 1, 2021, 8 a.m. 14.8 ppb (14) -1.0 ppb (0) N/A 16.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 12.1 μg/m3 (51) 51.0
 
Aug. 1, 2021, 7 a.m. 5.4 ppb (6) -3.6 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.32 ppb (4) N/A 12.1 μg/m3 (51) 51.0
 
Aug. 1, 2021, 6 a.m. 6.0 ppb (6) -2.1 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.32 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Aug. 1, 2021, 5 a.m. -0.8 ppb (0) -3.6 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A 7.7 μg/m3 (33) 33.0
 
Aug. 1, 2021, 4 a.m. -0.6 ppb (0) -3.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.3 ppb (4) N/A 9.4 μg/m3 (40) 40.0
 
Aug. 1, 2021, 3 a.m. -1.0 ppb (0) -3.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (4) N/A 12.4 μg/m3 (52) 52.0
 
Aug. 1, 2021, 2 a.m. 0.1 ppb (1) -3.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.31 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
Aug. 1, 2021, 1 a.m. -0.7 ppb (0) -3.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.29 ppb (4) N/A 5.3 μg/m3 (23) 23.0
 
Aug. 1, 2021, midnight -1.7 ppb (0) -3.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (4) N/A 5.3 μg/m3 (23) 23.0
 
July 31, 2021, 11 p.m. -2.1 ppb (0) -3.4 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.29 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
July 31, 2021, 10 p.m. -2.0 ppb (0) -3.3 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.26 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
July 31, 2021, 9 p.m. -1.6 ppb (0) -3.1 ppb (0) N/A 1.0 ppb (1) N/A N/A N/A 0.23 ppb (3) N/A 2.7 μg/m3 (12) 12.0
 
July 31, 2021, 8 p.m. -0.9 ppb (0) -3.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
July 31, 2021, 7 p.m. -0.7 ppb (0) -3.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.21 ppb (3) N/A 2.4 μg/m3 (10) 10.0
 
July 31, 2021, 6 p.m. -1.0 ppb (0) -3.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
July 31, 2021, 5 p.m. 0.2 ppb (1) -3.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 10.6 μg/m3 (45) 45.0
 
July 31, 2021, 4 p.m. 3.0 ppb (3) -2.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.24 ppb (3) N/A 9.2 μg/m3 (39) 39.0
 
July 31, 2021, 3 p.m. -0.2 ppb (0) -3.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
July 31, 2021, 2 p.m. -0.8 ppb (0) -2.8 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A 17.0 μg/m3 (62) 62.0
 
July 31, 2021, 1 p.m. 0.0 ppb (0) -2.9 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 13.9 μg/m3 (55) 55.0
 
July 31, 2021, noon 4.2 ppb (4) -3.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 16.0 μg/m3 (60) 60.0
 
July 31, 2021, 11 a.m. 5.5 ppb (6) -2.8 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.27 ppb (4) N/A 13.5 μg/m3 (54) 54.0
 
July 31, 2021, 10 a.m. 5.7 ppb (6) -2.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.29 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
July 31, 2021, 9 a.m. 4.9 ppb (5) -1.2 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.27 ppb (4) N/A 15.0 μg/m3 (58) 58.0
 
July 31, 2021, 8 a.m. 2.7 ppb (3) -1.9 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
July 31, 2021, 7 a.m. 1.6 ppb (2) -2.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.25 ppb (3) N/A 14.6 μg/m3 (57) 57.0
 
July 31, 2021, 6 a.m. 2.9 ppb (3) -1.3 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 31, 2021, 5 a.m. 8.7 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.39 ppb (5) N/A 14.4 μg/m3 (56) 56.0
 
July 31, 2021, 4 a.m. 10.2 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 10.1 μg/m3 (43) 43.0
 
July 31, 2021, 3 a.m. 12.7 ppb (12) 2.0 ppb (2) N/A 11.0 ppb (11) N/A N/A N/A 0.46 ppb (6) N/A 11.8 μg/m3 (50) 50.0
 
July 31, 2021, 2 a.m. 16.5 ppb (16) 2.6 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.63 ppb (7) N/A 12.9 μg/m3 (53) 53.0
 
July 31, 2021, 1 a.m. 15.6 ppb (15) 1.4 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.56 ppb (7) N/A 13.1 μg/m3 (54) 54.0
 
July 31, 2021, midnight 19.1 ppb (19) 2.8 ppb (3) N/A 16.0 ppb (16) N/A N/A N/A 0.57 ppb (7) N/A 9.2 μg/m3 (39) 39.0
 
July 30, 2021, 11 p.m. 16.8 ppb (16) 1.9 ppb (2) N/A 15.0 ppb (15) N/A N/A N/A 0.52 ppb (6) N/A 8.3 μg/m3 (35) 35.0
 
July 30, 2021, 10 p.m. 16.3 ppb (16) 2.5 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.51 ppb (6) N/A 15.3 μg/m3 (58) 58.0
 
July 30, 2021, 9 p.m. -0.9 ppb (0) -3.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (4) N/A 13.3 μg/m3 (54) 54.0
 
July 30, 2021, 8 p.m. -1.1 ppb (0) -3.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.23 ppb (3) N/A 14.8 μg/m3 (57) 57.0
 
July 30, 2021, 7 p.m. -1.2 ppb (0) -3.3 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.23 ppb (3) N/A 12.2 μg/m3 (52) 52.0
 
July 30, 2021, 6 p.m. 3.5 ppb (4) -2.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 16.4 μg/m3 (61) 61.0
 
July 30, 2021, 5 p.m. 1.6 ppb (2) -2.9 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 14.3 μg/m3 (56) 56.0
 
July 30, 2021, 4 p.m. 6.7 ppb (7) -2.0 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.36 ppb (5) N/A 12.4 μg/m3 (52) 52.0
 
July 30, 2021, 3 p.m. 9.6 ppb (10) -1.1 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.36 ppb (5) N/A 29.5 μg/m3 (88) 88.0
 
July 30, 2021, 2 p.m. 12.2 ppb (12) 0.7 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.4 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 1 p.m. 20.0 ppb (19) 5.4 ppb (6) N/A 14.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A 13.8 μg/m3 (55) 55.0
 
July 30, 2021, noon 23.4 ppb (23) 5.8 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 12.4 μg/m3 (52) 52.0
 
July 30, 2021, 11 a.m. 24.9 ppb (24) 5.4 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.48 ppb (6) N/A 10.8 μg/m3 (46) 46.0
 
July 30, 2021, 10 a.m. 17.5 ppb (17) 1.1 ppb (2) N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
July 30, 2021, 9 a.m. 6.9 ppb (7) -2.4 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 15.1 μg/m3 (58) 58.0
 
July 30, 2021, 8 a.m. 19.4 ppb (19) -1.8 ppb (0) N/A 21.0 ppb (20) N/A N/A N/A 0.38 ppb (5) N/A 17.5 μg/m3 (63) 63.0
 
July 30, 2021, 7 a.m. 7.2 ppb (7) -2.8 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.31 ppb (4) N/A 15.3 μg/m3 (58) 58.0
 
July 30, 2021, 6 a.m. 4.5 ppb (5) -3.6 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.3 ppb (4) N/A 15.8 μg/m3 (59) 59.0
 
July 30, 2021, 5 a.m. 11.1 ppb (11) -2.8 ppb (0) N/A 14.0 ppb (14) N/A N/A N/A 0.38 ppb (5) N/A 17.0 μg/m3 (62) 62.0
 
July 30, 2021, 4 a.m. 18.2 ppb (18) -3.1 ppb (0) N/A 21.0 ppb (20) N/A N/A N/A 0.48 ppb (6) N/A 13.8 μg/m3 (55) 55.0
 
July 30, 2021, 3 a.m. 35.7 ppb (34) 1.1 ppb (2) N/A 34.0 ppb (33) N/A N/A N/A 0.74 ppb (8) N/A 17.2 μg/m3 (62) 62.0
 
July 30, 2021, 2 a.m. 26.9 ppb (26) -0.1 ppb (0) N/A 27.0 ppb (26) N/A N/A N/A 0.58 ppb (7) N/A 13.9 μg/m3 (55) 55.0
 
July 30, 2021, 1 a.m. 15.4 ppb (15) -2.2 ppb (0) N/A 17.0 ppb (17) N/A N/A N/A 0.5 ppb (6) N/A 17.0 μg/m3 (62) 62.0
 
July 30, 2021, midnight 8.6 ppb (9) -2.7 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 15.5 μg/m3 (59) 59.0
 
July 29, 2021, 11 p.m. 4.2 ppb (4) -2.6 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.31 ppb (4) N/A 15.5 μg/m3 (59) 59.0
 
July 29, 2021, 10 p.m. 1.6 ppb (2) -2.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (3) N/A 19.3 μg/m3 (67) 67.0
 
July 29, 2021, 9 p.m. 6.4 ppb (7) -1.0 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.27 ppb (4) N/A 12.9 μg/m3 (53) 53.0
 
July 29, 2021, 8 p.m. 5.9 ppb (6) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 10.5 μg/m3 (44) 44.0
 
July 29, 2021, 7 p.m. 3.2 ppb (4) -1.9 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 16.1 μg/m3 (60) 60.0
 
July 29, 2021, 6 p.m. 1.4 ppb (2) -2.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 13.4 μg/m3 (54) 54.0
 
July 29, 2021, 5 p.m. 5.5 ppb (6) -0.9 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 17.4 μg/m3 (63) 63.0
 
July 29, 2021, 4 p.m. 5.2 ppb (5) -1.1 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 16.6 μg/m3 (61) 61.0
 
July 29, 2021, 3 p.m. 6.6 ppb (7) -0.5 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.29 ppb (4) N/A 27.1 μg/m3 (83) 83.0
 
July 29, 2021, 2 p.m. 14.5 ppb (14) 2.3 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.43 ppb (5) N/A 21.4 μg/m3 (71) 71.0
 
July 29, 2021, 1 p.m. 14.2 ppb (14) 2.2 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.52 ppb (6) N/A 14.8 μg/m3 (57) 57.0
 
July 29, 2021, noon 20.0 ppb (19) 2.5 ppb (3) N/A 17.0 ppb (17) N/A N/A N/A 0.48 ppb (6) N/A 16.8 μg/m3 (61) 61.0
 
July 29, 2021, 11 a.m. 28.6 ppb (27) 6.9 ppb (7) N/A 21.0 ppb (20) N/A N/A N/A 0.56 ppb (7) N/A 15.8 μg/m3 (59) 59.0
 
July 29, 2021, 10 a.m. 24.4 ppb (24) 2.0 ppb (2) N/A 22.0 ppb (21) N/A N/A N/A 0.43 ppb (5) N/A 18.2 μg/m3 (64) 64.0
 
July 29, 2021, 9 a.m. 7.4 ppb (7) -2.7 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 10.6 μg/m3 (45) 45.0
 
July 29, 2021, 8 a.m. 10.7 ppb (11) -2.5 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.27 ppb (4) N/A 13.1 μg/m3 (54) 54.0
 
July 29, 2021, 7 a.m. 10.3 ppb (10) -1.4 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.27 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
July 29, 2021, 6 a.m. 4.4 ppb (5) -3.1 ppb (0) N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 10.8 μg/m3 (46) 46.0
 
July 29, 2021, 5 a.m. 5.9 ppb (6) -2.8 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
July 29, 2021, 4 a.m. 7.7 ppb (8) -2.2 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.29 ppb (4) N/A 13.4 μg/m3 (54) 54.0
 
July 29, 2021, 3 a.m. 11.6 ppb (11) -1.4 ppb (0) N/A 13.0 ppb (13) N/A N/A N/A 0.37 ppb (5) N/A 16.6 μg/m3 (61) 61.0
 
July 29, 2021, 2 a.m. 13.9 ppb (14) -1.3 ppb (0) N/A 15.0 ppb (15) N/A N/A N/A 0.38 ppb (5) N/A 18.2 μg/m3 (64) 64.0
 
July 29, 2021, 1 a.m. 15.7 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 13.2 μg/m3 (54) 54.0
 
July 29, 2021, midnight 16.7 ppb (16) 1.1 ppb (2) N/A 15.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 19.7 μg/m3 (67) 67.0
 
July 28, 2021, 11 p.m. 19.2 ppb (19) 4.3 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 13.7 μg/m3 (55) 55.0
 
July 28, 2021, 10 p.m. 24.1 ppb (23) 8.2 ppb (8) N/A 16.0 ppb (16) N/A N/A N/A 0.53 ppb (6) N/A 21.6 μg/m3 (71) 71.0
 
July 28, 2021, 9 p.m. 18.8 ppb (18) 4.4 ppb (5) N/A 14.0 ppb (14) N/A N/A N/A 0.55 ppb (7) N/A 14.9 μg/m3 (57) 57.0
 
July 28, 2021, 8 p.m. 12.0 ppb (12) 1.3 ppb (2) N/A 11.0 ppb (11) N/A N/A N/A 0.43 ppb (5) N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 7 p.m. 20.1 ppb (19) 4.6 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A 0.46 ppb (6) N/A 14.2 μg/m3 (56) 56.0
 
July 28, 2021, 6 p.m. 11.2 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.38 ppb (5) N/A 16.7 μg/m3 (61) 61.0
 
July 28, 2021, 5 p.m. 16.1 ppb (16) 2.0 ppb (2) N/A 14.0 ppb (14) N/A N/A N/A 0.42 ppb (5) N/A 14.6 μg/m3 (57) 57.0
 
July 28, 2021, 4 p.m. 13.9 ppb (14) 1.1 ppb (2) N/A 13.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 14.5 μg/m3 (57) 57.0
 
July 28, 2021, 3 p.m. 13.7 ppb (13) 0.7 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.46 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 2 p.m. 18.4 ppb (18) 3.4 ppb (4) N/A 15.0 ppb (15) N/A N/A N/A 0.46 ppb (6) N/A 14.0 μg/m3 (55) 55.0
 
July 28, 2021, 1 p.m. 20.4 ppb (20) 6.4 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.49 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
July 28, 2021, noon 26.0 ppb (25) 11.8 ppb (12) N/A 14.0 ppb (14) N/A N/A N/A 0.57 ppb (7) N/A 16.7 μg/m3 (61) 61.0
 
July 28, 2021, 11 a.m. 29.7 ppb (29) 13.1 ppb (13) N/A 16.0 ppb (16) N/A N/A N/A 0.61 ppb (7) N/A 16.5 μg/m3 (61) 61.0
 
July 28, 2021, 10 a.m. 17.2 ppb (17) 3.8 ppb (4) N/A 13.0 ppb (13) N/A N/A N/A 0.49 ppb (6) N/A 17.9 μg/m3 (64) 64.0
 
July 28, 2021, 9 a.m. 10.0 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 13.2 μg/m3 (54) 54.0
 
July 28, 2021, 8 a.m. 10.9 ppb (11) 1.3 ppb (2) N/A 9.0 ppb (9) N/A N/A N/A 0.29 ppb (4) N/A 13.3 μg/m3 (54) 54.0
 
July 28, 2021, 7 a.m. 8.7 ppb (9) -0.9 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.33 ppb (4) N/A 13.9 μg/m3 (55) 55.0
 
July 28, 2021, 6 a.m. 11.2 ppb (11) 0.4 ppb (1) N/A 11.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 15.6 μg/m3 (59) 59.0
 
July 28, 2021, 5 a.m. 17.8 ppb (17) 2.7 ppb (3) N/A 15.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 16.0 μg/m3 (60) 60.0
 
July 28, 2021, 4 a.m. 21.2 ppb (20) 1.4 ppb (2) N/A 20.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A 15.0 μg/m3 (58) 58.0
 
July 28, 2021, 3 a.m. 28.9 ppb (28) 5.7 ppb (6) N/A 23.0 ppb (22) N/A N/A N/A 0.59 ppb (7) N/A 19.6 μg/m3 (67) 67.0
 
July 28, 2021, 2 a.m. 31.1 ppb (30) 7.8 ppb (8) N/A 23.0 ppb (22) N/A N/A N/A 0.72 ppb (8) N/A 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 1 a.m. 33.1 ppb (32) 7.3 ppb (7) N/A 26.0 ppb (25) N/A N/A N/A 0.72 ppb (8) N/A 20.2 μg/m3 (69) 69.0
 
July 28, 2021, midnight 23.3 ppb (22) 5.2 ppb (5) N/A 18.0 ppb (17) N/A N/A N/A 0.58 ppb (7) N/A 13.8 μg/m3 (55) 55.0
 
July 27, 2021, 11 p.m. 28.4 ppb (27) 8.4 ppb (8) N/A 20.0 ppb (19) N/A N/A N/A 0.63 ppb (7) N/A 23.4 μg/m3 (75) 75.0
 
July 27, 2021, 10 p.m. 26.9 ppb (26) 8.0 ppb (8) N/A 19.0 ppb (18) N/A N/A N/A 0.61 ppb (7) N/A 15.3 μg/m3 (58) 58.0