ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

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

Updated: Jan. 16, 2021, 2:31 p.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 19.0

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
Jan. 9, 2021, 1 p.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 5.3 μg/m3 (23) 23.0
 
Jan. 9, 2021, noon 4.6 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.17 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 9, 2021, 11 a.m. 3.4 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 9, 2021, 10 a.m. 3.7 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 9, 2021, 9 a.m. 15.9 ppb (15) -0.4 ppb (0) N/A 16.0 ppb (16) N/A N/A N/A 0.24 ppb (3) N/A 15.5 μg/m3 (59) 59.0
 
Jan. 9, 2021, 8 a.m. 26.3 ppb (25) 0.5 ppb (1) N/A 26.0 ppb (25) N/A N/A N/A 0.3 ppb (4) N/A 21.6 μg/m3 (71) 71.0
 
Jan. 9, 2021, 7 a.m. 24.8 ppb (24) -0.1 ppb (0) N/A 25.0 ppb (24) N/A N/A N/A 0.29 ppb (4) N/A 21.9 μg/m3 (72) 72.0
 
Jan. 9, 2021, 6 a.m. 19.7 ppb (19) -0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (4) N/A 18.1 μg/m3 (64) 64.0
 
Jan. 9, 2021, 5 a.m. 29.7 ppb (29) 3.3 ppb (4) N/A 26.0 ppb (25) N/A N/A N/A 0.61 ppb (7) N/A 19.1 μg/m3 (66) 66.0
 
Jan. 9, 2021, 4 a.m. 39.3 ppb (38) 10.0 ppb (10) N/A 29.0 ppb (28) N/A N/A N/A 0.52 ppb (6) N/A 15.7 μg/m3 (59) 59.0
 
Jan. 9, 2021, 3 a.m. 23.6 ppb (23) 2.2 ppb (3) N/A 22.0 ppb (21) N/A N/A N/A 0.41 ppb (5) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 9, 2021, 2 a.m. 10.2 ppb (10) -0.5 ppb (0) N/A 11.0 ppb (11) N/A N/A N/A 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 9, 2021, 1 a.m. 9.7 ppb (10) -0.4 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 2.5 μg/m3 (11) 11.0
 
Jan. 9, 2021, midnight 9.9 ppb (10) -0.4 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.22 ppb (3) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 8, 2021, 11 p.m. 9.2 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 8, 2021, 10 p.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) N/A 5.1 μg/m3 (22) 22.0
 
Jan. 8, 2021, 9 p.m. 5.5 ppb (6) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 8, 2021, 8 p.m. 5.7 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
Jan. 8, 2021, 7 p.m. 4.7 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 8, 2021, 6 p.m. 6.1 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 4.1 μg/m3 (18) 18.0
 
Jan. 8, 2021, 5 p.m. 7.4 ppb (7) 1.7 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 8, 2021, 4 p.m. 10.8 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 18.6 μg/m3 (65) 65.0
 
Jan. 8, 2021, 3 p.m. 14.6 ppb (14) 3.8 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.24 ppb (3) N/A 25.5 μg/m3 (80) 80.0
 
Jan. 8, 2021, 2 p.m. 18.9 ppb (18) 3.4 ppb (4) N/A 16.0 ppb (16) N/A N/A N/A 0.29 ppb (4) N/A 23.3 μg/m3 (75) 75.0
 
Jan. 8, 2021, 1 p.m. 12.9 ppb (13) 0.2 ppb (1) N/A 13.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A 23.7 μg/m3 (76) 76.0
 
Jan. 8, 2021, noon 17.4 ppb (17) 0.1 ppb (1) N/A 17.0 ppb (17) N/A N/A N/A 0.24 ppb (3) N/A 19.6 μg/m3 (67) 67.0
 
Jan. 8, 2021, 11 a.m. 10.0 ppb (10) -0.4 ppb (0) N/A 10.0 ppb (10) N/A N/A N/A 0.22 ppb (3) N/A 19.6 μg/m3 (67) 67.0
 
Jan. 8, 2021, 10 a.m. 7.7 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 8, 2021, 9 a.m. 8.4 ppb (8) -0.3 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.2 ppb (3) N/A 18.7 μg/m3 (65) 65.0
 
Jan. 8, 2021, 8 a.m. 7.3 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 8, 2021, 7 a.m. 8.8 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 15.3 μg/m3 (58) 58.0
 
Jan. 8, 2021, 6 a.m. 8.6 ppb (9) -0.2 ppb (0) N/A 9.0 ppb (9) N/A N/A N/A 0.21 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 8, 2021, 5 a.m. 7.6 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 8, 2021, 4 a.m. 7.0 ppb (7) 0.4 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 9.2 μg/m3 (39) 39.0
 
Jan. 8, 2021, 3 a.m. 6.8 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 14.8 μg/m3 (57) 57.0
 
Jan. 8, 2021, 2 a.m. 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 8, 2021, 1 a.m. 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (3) N/A 8.9 μg/m3 (38) 38.0
 
Jan. 8, 2021, midnight 7.1 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 7.5 μg/m3 (32) 32.0
 
Jan. 7, 2021, 11 p.m. 6.7 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 7, 2021, 10 p.m. 6.7 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 8.5 μg/m3 (36) 36.0
 
Jan. 7, 2021, 9 p.m. 6.4 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 7, 2021, 8 p.m. 7.3 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.22 ppb (3) N/A 12.4 μg/m3 (52) 52.0
 
Jan. 7, 2021, 7 p.m. 7.7 ppb (8) 2.0 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 7, 2021, 6 p.m. 7.5 ppb (8) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Jan. 7, 2021, 5 p.m. 8.9 ppb (9) 2.5 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (3) N/A 10.4 μg/m3 (44) 44.0
 
Jan. 7, 2021, 4 p.m. 9.6 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.22 ppb (3) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 7, 2021, 3 p.m. 6.5 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.2 ppb (3) N/A 16.4 μg/m3 (61) 61.0
 
Jan. 7, 2021, 2 p.m. 7.1 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) N/A 18.5 μg/m3 (65) 65.0
 
Jan. 7, 2021, 1 p.m. 7.0 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 16.4 μg/m3 (61) 61.0
 
Jan. 7, 2021, noon 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 7, 2021, 11 a.m. 5.1 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Jan. 7, 2021, 10 a.m. 5.4 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 7, 2021, 9 a.m. 7.4 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 7, 2021, 8 a.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.22 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 7, 2021, 7 a.m. 8.0 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
Jan. 7, 2021, 6 a.m. 6.2 ppb (6) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.19 ppb (3) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 7, 2021, 5 a.m. 7.7 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Jan. 7, 2021, 4 a.m. 8.0 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 7, 2021, 3 a.m. 14.0 ppb (14) 1.7 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 4.9 μg/m3 (21) 21.0
 
Jan. 7, 2021, 2 a.m. 30.4 ppb (29) 6.3 ppb (6) N/A 24.0 ppb (23) N/A N/A N/A 0.48 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 7, 2021, 1 a.m. 49.0 ppb (47) 21.6 ppb (21) N/A 28.0 ppb (27) N/A N/A N/A 0.52 ppb (6) N/A 7.2 μg/m3 (31) 47.0
 
Jan. 7, 2021, midnight 44.3 ppb (42) 21.0 ppb (20) N/A 23.0 ppb (22) N/A N/A N/A 0.47 ppb (6) N/A 4.9 μg/m3 (21) 42.0
 
Jan. 6, 2021, 11 p.m. 37.6 ppb (36) 17.1 ppb (17) N/A 21.0 ppb (20) N/A N/A N/A 0.42 ppb (5) N/A 6.4 μg/m3 (27) 36.0
 
Jan. 6, 2021, 10 p.m. 47.8 ppb (46) 25.7 ppb (25) N/A 22.0 ppb (21) N/A N/A N/A 0.48 ppb (6) N/A 3.9 μg/m3 (17) 46.0
 
Jan. 6, 2021, 9 p.m. 42.3 ppb (40) 22.7 ppb (22) N/A 20.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 6.4 μg/m3 (27) 40.0
 
Jan. 6, 2021, 8 p.m. 36.1 ppb (35) 20.3 ppb (20) N/A 16.0 ppb (16) N/A N/A N/A 0.39 ppb (5) N/A 3.2 μg/m3 (14) 35.0
 
Jan. 6, 2021, 7 p.m. 27.1 ppb (26) 16.0 ppb (16) N/A 11.0 ppb (11) N/A N/A N/A 0.3 ppb (4) N/A 4.4 μg/m3 (19) 26.0
 
Jan. 6, 2021, 6 p.m. 28.8 ppb (28) 17.2 ppb (17) N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 7.2 μg/m3 (31) 31.0
 
Jan. 6, 2021, 5 p.m. 28.9 ppb (28) 16.9 ppb (16) N/A 12.0 ppb (12) N/A N/A N/A 0.29 ppb (4) N/A 1.6 μg/m3 (7) 28.0
 
Jan. 6, 2021, 4 p.m. 38.6 ppb (37) 23.0 ppb (22) N/A 16.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 1.6 μg/m3 (7) 37.0
 
Jan. 6, 2021, 3 p.m. 43.6 ppb (42) 26.0 ppb (25) N/A 18.0 ppb (17) N/A N/A N/A 0.34 ppb (4) N/A 3.2 μg/m3 (14) 42.0
 
Jan. 6, 2021, 2 p.m. 18.8 ppb (18) 10.4 ppb (10) N/A 9.0 ppb (9) N/A N/A N/A 0.26 ppb (4) N/A 1.2 μg/m3 (5) 18.0
 
Jan. 6, 2021, 1 p.m. 19.3 ppb (19) 10.8 ppb (11) N/A 8.0 ppb (8) N/A N/A N/A 0.29 ppb (4) N/A 3.2 μg/m3 (14) 19.0
 
Jan. 6, 2021, noon 21.5 ppb (21) 11.7 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.31 ppb (4) N/A 7.2 μg/m3 (31) 31.0
 
Jan. 6, 2021, 11 a.m. 12.4 ppb (12) 5.8 ppb (6) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 6, 2021, 10 a.m. 9.3 ppb (9) 3.9 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
Jan. 6, 2021, 9 a.m. 10.0 ppb (10) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 2.6 μg/m3 (11) 11.0
 
Jan. 6, 2021, 8 a.m. 9.6 ppb (10) 2.2 ppb (3) N/A 7.0 ppb (7) N/A N/A N/A 0.21 ppb (3) N/A 1.1 μg/m3 (5) 10.0
 
Jan. 6, 2021, 7 a.m. 11.6 ppb (11) 3.4 ppb (4) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 6, 2021, 6 a.m. 10.2 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 3.2 μg/m3 (14) 14.0
 
Jan. 6, 2021, 5 a.m. 18.9 ppb (18) 6.7 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.24 ppb (3) N/A 2.9 μg/m3 (13) 18.0
 
Jan. 6, 2021, 4 a.m. 21.6 ppb (21) 6.8 ppb (7) N/A 15.0 ppb (15) N/A N/A N/A 0.29 ppb (4) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 6, 2021, 3 a.m. 35.7 ppb (34) 11.8 ppb (12) N/A 24.0 ppb (23) N/A N/A N/A 0.39 ppb (5) N/A 3.1 μg/m3 (13) 34.0
 
Jan. 6, 2021, 2 a.m. 35.1 ppb (34) 13.7 ppb (13) N/A 22.0 ppb (21) N/A N/A N/A 0.47 ppb (6) N/A 3.6 μg/m3 (16) 34.0
 
Jan. 6, 2021, 1 a.m. 48.6 ppb (46) 24.0 ppb (23) N/A 25.0 ppb (24) N/A N/A N/A 0.55 ppb (7) N/A 7.0 μg/m3 (30) 46.0
 
Jan. 6, 2021, midnight 53.9 ppb (51) 29.0 ppb (28) N/A 25.0 ppb (24) N/A N/A N/A 0.63 ppb (7) N/A 0.0 μg/m3 (0) 51.0
 
Jan. 5, 2021, 11 p.m. 46.0 ppb (44) 24.2 ppb (23) N/A 22.0 ppb (21) N/A N/A N/A 0.53 ppb (6) N/A 0.0 μg/m3 (0) 44.0
 
Jan. 5, 2021, 10 p.m. 60.2 ppb (58) 35.1 ppb (34) N/A 25.0 ppb (24) N/A N/A N/A 0.65 ppb (8) N/A N/A 58.0
 
Jan. 5, 2021, 9 p.m. 41.4 ppb (40) 23.4 ppb (23) N/A 18.0 ppb (17) N/A N/A N/A 0.48 ppb (6) N/A 5.6 μg/m3 (24) 40.0
 
Jan. 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) N/A 2.7 μg/m3 (12) 12.0
 
Jan. 5, 2021, 7 p.m. 31.1 ppb (30) 18.2 ppb (18) N/A 13.0 ppb (13) N/A N/A N/A N/A N/A 4.5 μg/m3 (19) 30.0
 
Jan. 5, 2021, 6 p.m. 33.1 ppb (32) 19.7 ppb (19) N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 5, 2021, 5 p.m. 41.0 ppb (39) 24.2 ppb (23) N/A 17.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 5, 2021, 4 p.m. 57.8 ppb (56) 36.0 ppb (34) N/A 22.0 ppb (21) N/A N/A N/A 0.47 ppb (6) N/A 14.8 μg/m3 (57) 57.0
 
Jan. 5, 2021, 3 p.m. 68.8 ppb (67) 41.9 ppb (40) N/A 27.0 ppb (26) N/A N/A N/A 0.53 ppb (6) N/A 14.8 μg/m3 (57) 67.0
 
Jan. 5, 2021, 2 p.m. 117.3 ppb (105) 85.0 ppb (85) N/A 33.0 ppb (32) N/A N/A N/A 1.15 ppb (13) N/A 11.6 μg/m3 (49) 105.0
 
Jan. 5, 2021, 1 p.m. 87.5 ppb (87) 56.7 ppb (54) N/A 31.0 ppb (30) N/A N/A N/A 1.06 ppb (13) N/A 11.8 μg/m3 (50) 87.0
 
Jan. 5, 2021, noon 68.3 ppb (67) 37.5 ppb (36) N/A 31.0 ppb (30) N/A N/A N/A 1.02 ppb (12) N/A 10.8 μg/m3 (46) 67.0
 
Jan. 5, 2021, 11 a.m. 51.7 ppb (49) 22.8 ppb (22) N/A 29.0 ppb (28) N/A N/A N/A 0.58 ppb (7) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 5, 2021, 10 a.m. 47.7 ppb (45) 20.6 ppb (20) N/A 27.0 ppb (26) N/A N/A N/A 0.63 ppb (7) N/A 13.5 μg/m3 (54) 54.0
 
Jan. 5, 2021, 9 a.m. 55.1 ppb (53) 29.0 ppb (28) N/A 26.0 ppb (25) N/A N/A N/A 0.57 ppb (7) N/A 11.6 μg/m3 (49) 53.0
 
Jan. 5, 2021, 8 a.m. 43.8 ppb (42) 17.2 ppb (17) N/A 27.0 ppb (26) N/A N/A N/A 0.55 ppb (7) N/A 12.3 μg/m3 (52) 52.0
 
Jan. 5, 2021, 7 a.m. 56.1 ppb (54) 30.1 ppb (29) N/A 26.0 ppb (25) N/A N/A N/A 0.69 ppb (8) N/A 10.5 μg/m3 (44) 54.0
 
Jan. 5, 2021, 6 a.m. 74.2 ppb (73) 47.9 ppb (46) N/A 27.0 ppb (26) N/A N/A N/A 0.71 ppb (8) N/A 8.6 μg/m3 (36) 73.0
 
Jan. 5, 2021, 5 a.m. 91.1 ppb (91) 62.5 ppb (61) N/A 29.0 ppb (28) N/A N/A N/A 0.76 ppb (10) N/A 8.4 μg/m3 (36) 91.0
 
Jan. 5, 2021, 4 a.m. 114.3 ppb (104) 83.0 ppb (82) N/A 32.0 ppb (31) N/A N/A N/A 0.91 ppb (11) N/A 7.0 μg/m3 (30) 104.0
 
Jan. 5, 2021, 3 a.m. 91.1 ppb (91) 59.1 ppb (57) N/A 32.0 ppb (31) N/A N/A N/A 0.77 ppb (10) N/A 11.6 μg/m3 (49) 91.0
 
Jan. 5, 2021, 2 a.m. 20.1 ppb (19) 0.6 ppb (1) N/A 20.0 ppb (19) N/A N/A N/A 0.3 ppb (4) N/A 7.2 μg/m3 (31) 31.0
 
Jan. 5, 2021, 1 a.m. 15.5 ppb (15) -0.5 ppb (0) N/A 16.0 ppb (16) N/A N/A N/A 0.24 ppb (3) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 5, 2021, midnight 15.3 ppb (15) -0.5 ppb (0) N/A 16.0 ppb (16) N/A N/A N/A 0.25 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 4, 2021, 11 p.m. 15.9 ppb (15) -0.3 ppb (0) N/A 16.0 ppb (16) N/A N/A N/A 0.27 ppb (4) N/A 10.1 μg/m3 (43) 43.0
 
Jan. 4, 2021, 10 p.m. 8.5 ppb (9) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.2 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 4, 2021, 9 p.m. 7.8 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.2 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Jan. 4, 2021, 8 p.m. 6.3 ppb (6) 1.4 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 4, 2021, 7 p.m. 8.7 ppb (9) 3.0 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
Jan. 4, 2021, 6 p.m. 14.0 ppb (14) 6.7 ppb (7) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 10.5 μg/m3 (44) 44.0
 
Jan. 4, 2021, 5 p.m. 33.6 ppb (32) 19.8 ppb (19) N/A 14.0 ppb (14) N/A N/A N/A 0.37 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 4, 2021, 4 p.m. 32.1 ppb (31) 17.7 ppb (17) N/A 14.0 ppb (14) N/A N/A N/A 0.38 ppb (5) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 4, 2021, 3 p.m. 39.3 ppb (38) 24.3 ppb (23) N/A 15.0 ppb (15) N/A N/A N/A 0.4 ppb (5) N/A 5.7 μg/m3 (24) 38.0
 
Jan. 4, 2021, 2 p.m. 38.5 ppb (37) 23.8 ppb (23) N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) N/A 4.4 μg/m3 (19) 37.0
 
Jan. 4, 2021, 1 p.m. 28.1 ppb (27) 16.3 ppb (16) N/A 12.0 ppb (12) N/A N/A N/A 0.38 ppb (5) N/A 1.8 μg/m3 (8) 27.0
 
Jan. 4, 2021, noon 25.9 ppb (25) 15.7 ppb (15) N/A 10.0 ppb (10) N/A N/A N/A 0.32 ppb (4) N/A 4.9 μg/m3 (21) 25.0
 
Jan. 4, 2021, 11 a.m. 16.4 ppb (16) 8.4 ppb (8) N/A 8.0 ppb (8) N/A N/A N/A 0.28 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 4, 2021, 10 a.m. 8.5 ppb (9) 3.2 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 4, 2021, 9 a.m. 8.2 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A -0.1 μg/m3 (0) 8.0
 
Jan. 4, 2021, 8 a.m. 7.6 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 4, 2021, 7 a.m. 7.0 ppb (7) 1.3 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
Jan. 4, 2021, 6 a.m. 9.5 ppb (9) 3.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A -1.3 μg/m3 (0) 9.0
 
Jan. 4, 2021, 5 a.m. 9.3 ppb (9) 3.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 0.6 μg/m3 (3) 9.0
 
Jan. 4, 2021, 4 a.m. 11.1 ppb (11) 4.5 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 2.1 μg/m3 (9) 11.0
 
Jan. 4, 2021, 3 a.m. 13.2 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 3.0 μg/m3 (13) 13.0
 
Jan. 4, 2021, 2 a.m. 20.3 ppb (20) 8.6 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.29 ppb (4) N/A -0.4 μg/m3 (0) 20.0
 
Jan. 4, 2021, 1 a.m. 20.6 ppb (20) 9.4 ppb (9) N/A 11.0 ppb (11) N/A N/A N/A 0.32 ppb (4) N/A 1.6 μg/m3 (7) 20.0
 
Jan. 4, 2021, midnight 20.4 ppb (20) 9.0 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.33 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Jan. 3, 2021, 11 p.m. 25.6 ppb (25) 11.1 ppb (11) N/A 15.0 ppb (15) N/A N/A N/A 0.37 ppb (5) N/A 16.8 μg/m3 (61) 61.0
 
Jan. 3, 2021, 10 p.m. 26.0 ppb (25) 12.9 ppb (13) N/A 13.0 ppb (13) N/A N/A N/A 0.35 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 3, 2021, 9 p.m. 29.2 ppb (28) 16.0 ppb (16) N/A 13.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 3, 2021, 8 p.m. 30.9 ppb (30) 17.4 ppb (17) N/A 14.0 ppb (14) N/A N/A N/A 0.38 ppb (5) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 3, 2021, 7 p.m. 22.2 ppb (21) 11.0 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.33 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 3, 2021, 6 p.m. 23.2 ppb (22) 13.7 ppb (13) N/A 10.0 ppb (10) N/A N/A N/A 0.33 ppb (4) N/A 11.6 μg/m3 (49) 49.0
 
Jan. 3, 2021, 5 p.m. 21.6 ppb (21) 11.9 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.3 ppb (4) N/A 14.3 μg/m3 (56) 56.0
 
Jan. 3, 2021, 4 p.m. 22.1 ppb (21) 12.0 ppb (12) N/A 10.0 ppb (10) N/A N/A N/A 0.27 ppb (4) N/A 12.1 μg/m3 (51) 51.0
 
Jan. 3, 2021, 3 p.m. 16.0 ppb (16) 7.4 ppb (7) N/A 9.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 3.9 μg/m3 (17) 17.0
 
Jan. 3, 2021, 2 p.m. 13.5 ppb (13) 5.5 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.22 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
Jan. 3, 2021, 1 p.m. 14.7 ppb (14) 5.8 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 3, 2021, noon 13.8 ppb (14) 4.4 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 4.3 μg/m3 (18) 18.0
 
Jan. 3, 2021, 11 a.m. 11.1 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A N/A 0.22 ppb (3) N/A 17.4 μg/m3 (63) 63.0
 
Jan. 3, 2021, 10 a.m. 9.3 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A N/A N/A 14.4 μg/m3 (56) 56.0
 
Jan. 3, 2021, 9 a.m. 9.8 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 21.0 μg/m3 (70) 70.0
 
Jan. 3, 2021, 8 a.m. 14.8 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 0.1 μg/m3 (1) 14.0
 
Jan. 3, 2021, 7 a.m. 13.6 ppb (13) 1.3 ppb (2) N/A 12.0 ppb (12) N/A N/A N/A 0.24 ppb (3) N/A 17.7 μg/m3 (63) 63.0
 
Jan. 3, 2021, 6 a.m. 23.3 ppb (22) 5.8 ppb (6) N/A 18.0 ppb (17) N/A N/A N/A 0.33 ppb (4) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 3, 2021, 5 a.m. 40.9 ppb (39) 16.6 ppb (16) N/A 24.0 ppb (23) N/A N/A N/A 0.53 ppb (6) N/A 31.2 μg/m3 (92) 92.0
 
Jan. 3, 2021, 4 a.m. 53.6 ppb (51) 27.2 ppb (26) N/A 27.0 ppb (26) N/A N/A N/A 0.66 ppb (8) N/A 36.5 μg/m3 (104) 104.0
 
Jan. 3, 2021, 3 a.m. 55.8 ppb (53) 28.1 ppb (27) N/A 28.0 ppb (27) N/A N/A N/A 0.63 ppb (7) N/A 35.6 μg/m3 (102) 102.0
 
Jan. 3, 2021, 2 a.m. 45.9 ppb (44) 18.8 ppb (18) N/A 27.0 ppb (26) N/A N/A N/A 0.56 ppb (7) N/A 33.9 μg/m3 (97) 97.0
 
Jan. 3, 2021, 1 a.m. 48.9 ppb (47) 20.6 ppb (20) N/A 29.0 ppb (28) N/A N/A N/A 0.54 ppb (6) N/A 28.3 μg/m3 (86) 86.0
 
Jan. 3, 2021, midnight 43.8 ppb (42) 14.9 ppb (15) N/A 29.0 ppb (28) N/A N/A N/A 0.5 ppb (6) N/A 24.4 μg/m3 (77) 77.0
 
Jan. 2, 2021, 11 p.m. 66.3 ppb (65) 30.5 ppb (29) N/A 36.0 ppb (34) N/A N/A N/A 0.7 ppb (8) N/A 29.0 μg/m3 (87) 87.0
 
Jan. 2, 2021, 10 p.m. 78.1 ppb (77) 41.4 ppb (40) N/A 37.0 ppb (35) N/A N/A N/A 0.74 ppb (8) N/A 33.0 μg/m3 (95) 95.0
 
Jan. 2, 2021, 9 p.m. 68.0 ppb (66) 34.5 ppb (33) N/A 34.0 ppb (33) N/A N/A N/A 0.61 ppb (7) N/A 32.1 μg/m3 (94) 94.0
 
Jan. 2, 2021, 8 p.m. 54.9 ppb (52) 25.0 ppb (24) N/A 30.0 ppb (29) N/A N/A N/A 0.51 ppb (6) N/A 32.4 μg/m3 (94) 94.0
 
Jan. 2, 2021, 7 p.m. 49.2 ppb (47) 23.3 ppb (22) N/A 26.0 ppb (25) N/A N/A N/A 0.42 ppb (5) N/A 25.9 μg/m3 (81) 81.0
 
Jan. 2, 2021, 6 p.m. 53.3 ppb (51) 27.6 ppb (27) N/A 26.0 ppb (25) N/A N/A N/A 0.43 ppb (5) N/A 23.9 μg/m3 (76) 76.0
 
Jan. 2, 2021, 5 p.m. 44.0 ppb (42) 21.5 ppb (21) N/A 23.0 ppb (22) N/A N/A N/A 0.35 ppb (4) N/A 36.4 μg/m3 (104) 104.0
 
Jan. 2, 2021, 4 p.m. 25.3 ppb (24) 9.1 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A 0.32 ppb (4) N/A 25.7 μg/m3 (80) 80.0
 
Jan. 2, 2021, 3 p.m. 25.9 ppb (25) 7.5 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 26.7 μg/m3 (82) 82.0
 
Jan. 2, 2021, 2 p.m. 35.4 ppb (34) 8.0 ppb (8) N/A 28.0 ppb (27) N/A N/A N/A 0.29 ppb (4) N/A 25.8 μg/m3 (80) 80.0