ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

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

Updated: Dec. 9, 2021, 6:16 a.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 30.0

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
Dec. 9, 2021, 4 a.m. 16.5 ppb (16) 8.7 ppb (9) N/A 8.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 9, 2021, 3 a.m. 26.0 ppb (25) 13.6 ppb (13) N/A 12.0 ppb (12) N/A N/A N/A 0.31 ppb (4) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 9, 2021, 2 a.m. 33.1 ppb (32) 15.9 ppb (15) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 8.3 μg/m3 (35) 35.0
 
Dec. 9, 2021, 1 a.m. 43.9 ppb (42) 23.5 ppb (23) N/A 20.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 7.9 μg/m3 (33) 42.0
 
Dec. 9, 2021, midnight 42.8 ppb (41) 22.9 ppb (22) N/A 20.0 ppb (19) N/A N/A N/A 0.39 ppb (5) N/A 12.7 μg/m3 (53) 53.0
 
Dec. 8, 2021, 11 p.m. 63.7 ppb (62) 38.1 ppb (36) N/A 25.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A 10.2 μg/m3 (43) 62.0
 
Dec. 8, 2021, 10 p.m. 53.4 ppb (51) 32.6 ppb (31) N/A 20.0 ppb (19) N/A N/A N/A 0.45 ppb (6) N/A 10.4 μg/m3 (44) 51.0
 
Dec. 8, 2021, 9 p.m. 49.0 ppb (47) 31.4 ppb (30) N/A 17.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 12.2 μg/m3 (52) 52.0
 
Dec. 8, 2021, 8 p.m. 43.9 ppb (42) 27.5 ppb (26) N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) N/A 10.1 μg/m3 (43) 43.0
 
Dec. 8, 2021, 7 p.m. 40.1 ppb (38) 24.1 ppb (23) N/A 16.0 ppb (16) N/A N/A N/A 0.35 ppb (4) N/A 9.5 μg/m3 (40) 40.0
 
Dec. 8, 2021, 6 p.m. 31.0 ppb (30) 17.7 ppb (17) N/A 13.0 ppb (13) N/A N/A N/A 0.31 ppb (4) N/A 4.2 μg/m3 (18) 30.0
 
Dec. 8, 2021, 5 p.m. 31.5 ppb (30) 17.7 ppb (17) N/A 14.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 0.2 μg/m3 (1) 30.0
 
Dec. 8, 2021, 4 p.m. 49.9 ppb (48) 31.4 ppb (30) N/A 18.0 ppb (17) N/A N/A N/A 0.4 ppb (5) N/A 7.5 μg/m3 (32) 48.0
 
Dec. 8, 2021, 3 p.m. 50.1 ppb (48) 31.0 ppb (30) N/A 19.0 ppb (18) N/A N/A N/A N/A N/A 8.6 μg/m3 (36) 48.0
 
Dec. 8, 2021, 2 p.m. 68.0 ppb (66) 44.5 ppb (42) N/A 23.0 ppb (22) N/A N/A N/A N/A N/A 6.5 μg/m3 (28) 66.0
 
Dec. 8, 2021, 1 p.m. 83.9 ppb (83) 56.5 ppb (54) N/A 27.0 ppb (26) N/A N/A N/A 0.58 ppb (7) N/A 8.5 μg/m3 (36) 83.0
 
Dec. 8, 2021, noon 75.0 ppb (74) 46.9 ppb (45) N/A 28.0 ppb (27) N/A N/A N/A 0.62 ppb (7) N/A 9.6 μg/m3 (40) 74.0
 
Dec. 8, 2021, 11 a.m. 47.9 ppb (46) 22.5 ppb (22) N/A 25.0 ppb (24) N/A N/A N/A 0.49 ppb (6) N/A 5.0 μg/m3 (21) 46.0
 
Dec. 8, 2021, 10 a.m. 32.0 ppb (31) 9.3 ppb (9) N/A 22.0 ppb (21) N/A N/A N/A 0.3 ppb (4) N/A 4.2 μg/m3 (18) 31.0
 
Dec. 8, 2021, 9 a.m. 22.8 ppb (22) 5.6 ppb (6) N/A 17.0 ppb (17) N/A N/A N/A 0.3 ppb (4) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 8, 2021, 8 a.m. 27.6 ppb (27) 9.9 ppb (10) N/A 18.0 ppb (17) N/A N/A N/A 0.21 ppb (3) N/A 6.5 μg/m3 (28) 28.0
 
Dec. 8, 2021, 7 a.m. 29.4 ppb (28) 9.5 ppb (9) N/A 20.0 ppb (19) N/A N/A N/A 0.24 ppb (3) N/A 3.9 μg/m3 (17) 28.0
 
Dec. 8, 2021, 6 a.m. 30.5 ppb (29) 12.2 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A 2.4 μg/m3 (10) 29.0
 
Dec. 8, 2021, 5 a.m. 21.0 ppb (20) 6.0 ppb (6) N/A 15.0 ppb (15) N/A N/A N/A 0.25 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Dec. 8, 2021, 4 a.m. 18.6 ppb (18) 5.9 ppb (6) N/A 13.0 ppb (13) N/A N/A N/A 0.23 ppb (3) N/A 4.7 μg/m3 (20) 20.0
 
Dec. 8, 2021, 3 a.m. 22.7 ppb (22) 9.2 ppb (9) N/A 13.0 ppb (13) N/A N/A N/A 0.3 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Dec. 8, 2021, 2 a.m. 40.4 ppb (39) 20.0 ppb (19) N/A 20.0 ppb (19) N/A N/A N/A 0.36 ppb (5) N/A 8.5 μg/m3 (36) 39.0
 
Dec. 8, 2021, 1 a.m. 39.5 ppb (38) 21.0 ppb (20) N/A 18.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A 4.6 μg/m3 (20) 38.0
 
Dec. 8, 2021, midnight 52.6 ppb (50) 31.5 ppb (30) N/A 21.0 ppb (20) N/A N/A N/A 0.41 ppb (5) N/A 2.7 μg/m3 (12) 50.0
 
Dec. 7, 2021, 11 p.m. 67.3 ppb (66) 41.8 ppb (40) N/A 25.0 ppb (24) N/A N/A N/A 0.51 ppb (6) N/A 7.4 μg/m3 (31) 66.0
 
Dec. 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Dec. 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (4) N/A 0.0 μg/m3 (0) 4.0
 
Dec. 7, 2021, 7 p.m. 33.5 ppb (32) 20.4 ppb (20) N/A 13.0 ppb (13) N/A N/A N/A 0.24 ppb (3) N/A N/A 32.0
 
Dec. 7, 2021, 6 p.m. 28.3 ppb (27) 17.7 ppb (17) N/A 10.0 ppb (10) N/A N/A N/A 0.24 ppb (3) N/A N/A 27.0
 
Dec. 7, 2021, 5 p.m. 35.7 ppb (34) 23.9 ppb (23) N/A 12.0 ppb (12) N/A N/A N/A 0.23 ppb (3) N/A 0.9 μg/m3 (4) 34.0
 
Dec. 7, 2021, 4 p.m. 40.5 ppb (39) 28.4 ppb (27) N/A 12.0 ppb (12) N/A N/A N/A 0.26 ppb (4) N/A 0.0 μg/m3 (0) 39.0
 
Dec. 7, 2021, 3 p.m. 43.1 ppb (41) 29.8 ppb (29) N/A 13.0 ppb (13) N/A N/A N/A 0.32 ppb (4) N/A 7.1 μg/m3 (30) 41.0
 
Dec. 7, 2021, 2 p.m. 39.6 ppb (38) 26.7 ppb (26) N/A 13.0 ppb (13) N/A N/A N/A 0.36 ppb (5) N/A 10.9 μg/m3 (46) 46.0
 
Dec. 7, 2021, 1 p.m. 40.0 ppb (38) 27.2 ppb (26) N/A 13.0 ppb (13) N/A N/A N/A 0.34 ppb (4) N/A 5.0 μg/m3 (21) 38.0
 
Dec. 7, 2021, noon 37.2 ppb (36) 23.4 ppb (23) N/A 14.0 ppb (14) N/A N/A N/A 0.37 ppb (5) N/A 7.2 μg/m3 (31) 36.0
 
Dec. 7, 2021, 11 a.m. 21.4 ppb (21) 10.7 ppb (11) N/A 11.0 ppb (11) N/A N/A N/A 0.27 ppb (4) N/A 9.8 μg/m3 (41) 41.0
 
Dec. 7, 2021, 10 a.m. 15.1 ppb (15) 5.9 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A 0.19 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
Dec. 7, 2021, 9 a.m. 10.3 ppb (10) 3.9 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 7, 2021, 8 a.m. 13.6 ppb (13) 5.6 ppb (6) N/A 8.0 ppb (8) N/A N/A N/A 0.16 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
Dec. 7, 2021, 7 a.m. 10.0 ppb (10) 3.5 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Dec. 7, 2021, 6 a.m. 14.2 ppb (14) 4.3 ppb (5) N/A 10.0 ppb (10) N/A N/A N/A 0.21 ppb (3) N/A 10.6 μg/m3 (45) 45.0
 
Dec. 7, 2021, 5 a.m. 11.8 ppb (12) 1.6 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Dec. 7, 2021, 4 a.m. 20.5 ppb (20) 2.7 ppb (3) N/A 18.0 ppb (17) N/A N/A N/A 0.26 ppb (4) N/A 9.9 μg/m3 (42) 42.0
 
Dec. 7, 2021, 3 a.m. 25.3 ppb (24) 6.1 ppb (6) N/A 19.0 ppb (18) N/A N/A N/A 0.29 ppb (4) N/A 2.6 μg/m3 (11) 24.0
 
Dec. 7, 2021, 2 a.m. 14.6 ppb (14) 0.3 ppb (1) N/A 14.0 ppb (14) N/A N/A N/A 0.21 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Dec. 7, 2021, 1 a.m. 10.6 ppb (10) 0.3 ppb (1) N/A 10.0 ppb (10) N/A N/A N/A 0.25 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
Dec. 7, 2021, midnight 8.1 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A N/A N/A 0.17 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 6, 2021, 11 p.m. 9.3 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.18 ppb (3) N/A 11.7 μg/m3 (49) 49.0
 
Dec. 6, 2021, 10 p.m. 6.5 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A 4.5 μg/m3 (19) 19.0
 
Dec. 6, 2021, 9 p.m. 4.3 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.12 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Dec. 6, 2021, 8 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 6, 2021, 7 p.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A -1.0 μg/m3 (0) 4.0
 
Dec. 6, 2021, 6 p.m. 2.4 ppb (3) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.12 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
Dec. 6, 2021, 5 p.m. 2.6 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.13 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 6, 2021, 4 p.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A N/A 0.14 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Dec. 6, 2021, 3 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.15 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
Dec. 6, 2021, 2 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A -1.9 μg/m3 (0) 5.0
 
Dec. 6, 2021, 1 p.m. 6.4 ppb (7) 0.3 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.17 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Dec. 6, 2021, noon 4.4 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.14 ppb (2) N/A 2.0 μg/m3 (9) 9.0
 
Dec. 6, 2021, 11 a.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.13 ppb (2) N/A -0.1 μg/m3 (0) 3.0
 
Dec. 6, 2021, 10 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 2.3 μg/m3 (10) 10.0
 
Dec. 6, 2021, 9 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Dec. 6, 2021, 8 a.m. 1.1 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.13 ppb (2) N/A 0.2 μg/m3 (1) 2.0
 
Dec. 6, 2021, 7 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.13 ppb (2) N/A 0.7 μg/m3 (3) 3.0
 
Dec. 6, 2021, 6 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.12 ppb (2) N/A 5.3 μg/m3 (23) 23.0
 
Dec. 6, 2021, 5 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.11 ppb (2) N/A 3.6 μg/m3 (16) 16.0
 
Dec. 6, 2021, 4 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 2.4 μg/m3 (10) 10.0
 
Dec. 6, 2021, 3 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 0.0 μg/m3 (0) 2.0
 
Dec. 6, 2021, 2 a.m. 1.7 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 0.14 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
Dec. 6, 2021, 1 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.13 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Dec. 6, 2021, midnight 3.0 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (2) N/A 8.7 μg/m3 (37) 37.0
 
Dec. 5, 2021, 11 p.m. 4.7 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
Dec. 5, 2021, 10 p.m. 7.1 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 12.7 μg/m3 (53) 53.0
 
Dec. 5, 2021, 9 p.m. 13.8 ppb (14) 4.3 ppb (5) N/A 9.0 ppb (9) N/A N/A N/A 0.29 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
Dec. 5, 2021, 8 p.m. 11.3 ppb (11) 4.6 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 15.0 μg/m3 (58) 58.0
 
Dec. 5, 2021, 7 p.m. 9.9 ppb (10) 4.2 ppb (4) N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
Dec. 5, 2021, 6 p.m. 14.0 ppb (14) 7.4 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.3 ppb (4) N/A 13.1 μg/m3 (54) 54.0
 
Dec. 5, 2021, 5 p.m. 9.7 ppb (10) 4.7 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.26 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
Dec. 5, 2021, 4 p.m. 13.1 ppb (13) 7.0 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.25 ppb (3) N/A 12.1 μg/m3 (51) 51.0
 
Dec. 5, 2021, 3 p.m. 8.9 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 14.1 μg/m3 (56) 56.0
 
Dec. 5, 2021, 2 p.m. 13.5 ppb (13) 7.5 ppb (8) N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (4) N/A 15.9 μg/m3 (59) 59.0
 
Dec. 5, 2021, 1 p.m. 13.2 ppb (13) 6.7 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.26 ppb (4) N/A 9.5 μg/m3 (40) 40.0
 
Dec. 5, 2021, noon 10.0 ppb (10) 4.5 ppb (5) N/A 5.0 ppb (5) N/A N/A N/A 0.25 ppb (3) N/A 10.9 μg/m3 (46) 46.0
 
Dec. 5, 2021, 11 a.m. 6.6 ppb (7) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 5, 2021, 10 a.m. 7.1 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Dec. 5, 2021, 9 a.m. 7.6 ppb (8) 2.8 ppb (3) 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
 
Dec. 5, 2021, 8 a.m. 10.8 ppb (11) 3.8 ppb (4) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Dec. 5, 2021, 7 a.m. 8.5 ppb (9) 3.5 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.23 ppb (3) N/A 9.9 μg/m3 (42) 42.0
 
Dec. 5, 2021, 6 a.m. 12.3 ppb (12) 4.7 ppb (5) N/A 7.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 5, 2021, 5 a.m. 10.2 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.26 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 5, 2021, 4 a.m. 11.6 ppb (11) 5.2 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (4) N/A 10.9 μg/m3 (46) 46.0
 
Dec. 5, 2021, 3 a.m. 18.3 ppb (18) 7.6 ppb (8) N/A 11.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 8.0 μg/m3 (34) 34.0
 
Dec. 5, 2021, 2 a.m. 19.4 ppb (19) 7.3 ppb (7) N/A 12.0 ppb (12) N/A N/A N/A 0.32 ppb (4) N/A 6.8 μg/m3 (29) 29.0
 
Dec. 5, 2021, 1 a.m. 12.6 ppb (12) 2.5 ppb (3) N/A 10.0 ppb (10) N/A N/A N/A 0.23 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 5, 2021, midnight 9.8 ppb (10) 1.5 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.21 ppb (3) N/A 8.4 μg/m3 (36) 36.0
 
Dec. 4, 2021, 11 p.m. 5.2 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (3) N/A 13.7 μg/m3 (55) 55.0
 
Dec. 4, 2021, 10 p.m. 6.1 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 10.1 μg/m3 (43) 43.0
 
Dec. 4, 2021, 9 p.m. 6.1 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (3) N/A 11.1 μg/m3 (47) 47.0
 
Dec. 4, 2021, 8 p.m. 4.7 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Dec. 4, 2021, 7 p.m. 4.8 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (3) N/A 12.3 μg/m3 (52) 52.0
 
Dec. 4, 2021, 6 p.m. 6.2 ppb (6) 2.6 ppb (3) N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (4) N/A 13.6 μg/m3 (55) 55.0
 
Dec. 4, 2021, 5 p.m. 6.7 ppb (7) 3.3 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 11.8 μg/m3 (50) 50.0
 
Dec. 4, 2021, 4 p.m. 6.5 ppb (7) 3.2 ppb (4) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (3) N/A 15.7 μg/m3 (59) 59.0
 
Dec. 4, 2021, 3 p.m. 5.3 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (3) N/A 9.6 μg/m3 (40) 40.0
 
Dec. 4, 2021, 2 p.m. 6.4 ppb (7) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (3) N/A 7.3 μg/m3 (31) 31.0
 
Dec. 4, 2021, 1 p.m. 8.7 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A N/A N/A 0.24 ppb (3) N/A 6.6 μg/m3 (28) 28.0
 
Dec. 4, 2021, noon 7.2 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Dec. 4, 2021, 11 a.m. 5.2 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 4, 2021, 10 a.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Dec. 4, 2021, 9 a.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Dec. 4, 2021, 8 a.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (3) N/A 12.1 μg/m3 (51) 51.0
 
Dec. 4, 2021, 7 a.m. 4.3 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Dec. 4, 2021, 6 a.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (3) N/A 4.9 μg/m3 (21) 21.0
 
Dec. 4, 2021, 5 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 4.6 μg/m3 (20) 20.0
 
Dec. 4, 2021, 4 a.m. 6.3 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.27 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Dec. 4, 2021, 3 a.m. 6.4 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Dec. 4, 2021, 2 a.m. 6.2 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 5.5 μg/m3 (23) 23.0
 
Dec. 4, 2021, 1 a.m. 7.6 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A N/A 0.19 ppb (3) N/A 3.7 μg/m3 (16) 16.0
 
Dec. 4, 2021, midnight 9.9 ppb (10) 1.0 ppb (1) N/A 9.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2021, 11 p.m. 12.8 ppb (13) 0.9 ppb (1) N/A 12.0 ppb (12) N/A N/A N/A 0.28 ppb (4) N/A 5.8 μg/m3 (25) 25.0
 
Dec. 3, 2021, 10 p.m. 6.3 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Dec. 3, 2021, 9 p.m. 6.1 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
Dec. 3, 2021, 8 p.m. 6.7 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A N/A 0.18 ppb (3) N/A 12.6 μg/m3 (53) 53.0
 
Dec. 3, 2021, 7 p.m. 9.8 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A N/A N/A 0.18 ppb (3) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2021, 6 p.m. 12.3 ppb (12) 3.2 ppb (4) N/A 9.0 ppb (9) N/A N/A N/A 0.2 ppb (3) N/A 9.5 μg/m3 (40) 40.0
 
Dec. 3, 2021, 5 p.m. 14.9 ppb (15) 3.9 ppb (4) N/A 11.0 ppb (11) N/A N/A N/A 0.22 ppb (3) N/A 12.5 μg/m3 (52) 52.0
 
Dec. 3, 2021, 4 p.m. 25.6 ppb (25) 9.0 ppb (9) N/A 16.0 ppb (16) N/A N/A N/A 0.32 ppb (4) N/A 8.2 μg/m3 (35) 35.0
 
Dec. 3, 2021, 3 p.m. 37.1 ppb (35) 15.1 ppb (15) N/A 22.0 ppb (21) N/A N/A N/A 0.55 ppb (7) N/A 14.7 μg/m3 (57) 57.0
 
Dec. 3, 2021, 2 p.m. 34.5 ppb (33) 13.6 ppb (13) N/A 21.0 ppb (20) N/A N/A N/A 0.49 ppb (6) N/A 10.4 μg/m3 (44) 44.0
 
Dec. 3, 2021, 1 p.m. 40.3 ppb (39) 15.7 ppb (15) N/A 24.0 ppb (23) N/A N/A N/A 0.43 ppb (5) N/A 6.5 μg/m3 (28) 39.0
 
Dec. 3, 2021, noon 35.9 ppb (34) 12.5 ppb (12) N/A 23.0 ppb (22) N/A N/A N/A 0.38 ppb (5) N/A 7.4 μg/m3 (31) 34.0
 
Dec. 3, 2021, 11 a.m. 20.0 ppb (19) 5.2 ppb (5) N/A 15.0 ppb (15) N/A N/A N/A 0.19 ppb (3) N/A 7.8 μg/m3 (33) 33.0
 
Dec. 3, 2021, 10 a.m. 14.3 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A N/A N/A 0.12 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Dec. 3, 2021, 9 a.m. 16.9 ppb (16) 3.1 ppb (3) N/A 14.0 ppb (14) N/A N/A N/A 0.22 ppb (3) N/A 6.8 μg/m3 (29) 29.0
 
Dec. 3, 2021, 8 a.m. 25.9 ppb (25) 5.5 ppb (6) N/A 20.0 ppb (19) N/A N/A N/A 0.25 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 3, 2021, 7 a.m. 22.7 ppb (22) 3.6 ppb (4) N/A 19.0 ppb (18) N/A N/A N/A 0.26 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
Dec. 3, 2021, 6 a.m. 39.6 ppb (38) 12.1 ppb (12) N/A 27.0 ppb (26) N/A N/A N/A 0.32 ppb (4) N/A 9.3 μg/m3 (39) 39.0
 
Dec. 3, 2021, 5 a.m. 27.6 ppb (27) 6.6 ppb (7) N/A 21.0 ppb (20) N/A N/A N/A 0.28 ppb (4) N/A 9.7 μg/m3 (41) 41.0
 
Dec. 3, 2021, 4 a.m. 20.6 ppb (20) 8.5 ppb (9) N/A 12.0 ppb (12) N/A N/A N/A 0.27 ppb (4) N/A 7.7 μg/m3 (33) 33.0
 
Dec. 3, 2021, 3 a.m. 28.3 ppb (27) 14.0 ppb (14) N/A 14.0 ppb (14) N/A N/A N/A 0.33 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
Dec. 3, 2021, 2 a.m. 32.1 ppb (31) 16.0 ppb (16) N/A 16.0 ppb (16) N/A N/A N/A 0.37 ppb (5) N/A 8.5 μg/m3 (36) 36.0
 
Dec. 3, 2021, 1 a.m. 50.9 ppb (49) 26.9 ppb (26) N/A 24.0 ppb (23) N/A N/A N/A 0.5 ppb (6) N/A 11.5 μg/m3 (48) 49.0
 
Dec. 3, 2021, midnight 71.4 ppb (70) 41.1 ppb (39) N/A 30.0 ppb (29) N/A N/A N/A 0.69 ppb (8) N/A 12.9 μg/m3 (53) 70.0
 
Dec. 2, 2021, 11 p.m. 100.8 ppb (101) 64.1 ppb (62) N/A 37.0 ppb (35) N/A N/A N/A 0.86 ppb (11) N/A 10.6 μg/m3 (45) 101.0
 
Dec. 2, 2021, 10 p.m. 90.2 ppb (90) 56.7 ppb (54) N/A 33.0 ppb (32) N/A N/A N/A 0.79 ppb (10) N/A 6.2 μg/m3 (26) 90.0
 
Dec. 2, 2021, 10 p.m. 90.2 ppb (90) 56.7 ppb (54) N/A 33.0 ppb (32) N/A N/A N/A 0.79 ppb (10) N/A 6.2 μg/m3 (26) 90.0
 
Dec. 2, 2021, 9 p.m. 32.3 ppb (31) 15.1 ppb (15) N/A 17.0 ppb (17) N/A N/A N/A 0.35 ppb (4) N/A 7.5 μg/m3 (32) 32.0
 
Dec. 2, 2021, 8 p.m. 40.0 ppb (38) 21.0 ppb (20) N/A 19.0 ppb (18) N/A N/A N/A 0.41 ppb (5) N/A 6.7 μg/m3 (28) 38.0
 
Dec. 2, 2021, 7 p.m. 35.1 ppb (34) 19.2 ppb (19) N/A 16.0 ppb (16) N/A N/A N/A 0.33 ppb (4) N/A 5.0 μg/m3 (21) 34.0
 
Dec. 2, 2021, 6 p.m. 22.9 ppb (22) 11.1 ppb (11) N/A 12.0 ppb (12) N/A N/A N/A 0.25 ppb (3) N/A 6.4 μg/m3 (27) 27.0
 
Dec. 2, 2021, 5 p.m. 37.9 ppb (36) 21.1 ppb (20) N/A 17.0 ppb (17) N/A N/A N/A 0.3 ppb (4) N/A 6.1 μg/m3 (26) 36.0
 
Dec. 2, 2021, 4 p.m. 32.0 ppb (31) 16.5 ppb (16) N/A 15.0 ppb (15) N/A N/A N/A 0.28 ppb (4) N/A 11.3 μg/m3 (48) 48.0
 
Dec. 2, 2021, 1 p.m. 52.3 ppb (50) 27.9 ppb (27) N/A 24.0 ppb (23) N/A N/A N/A 0.39 ppb (5) N/A 3.4 μg/m3 (15) 50.0
 
Dec. 2, 2021, noon 36.2 ppb (35) 17.5 ppb (17) N/A 18.0 ppb (17) N/A N/A N/A 0.32 ppb (4) N/A 2.5 μg/m3 (11) 35.0
 
Dec. 2, 2021, 11 a.m. 23.4 ppb (23) 9.0 ppb (9) N/A 14.0 ppb (14) N/A N/A N/A 0.24 ppb (3) N/A 5.9 μg/m3 (25) 25.0
 
Dec. 2, 2021, 10 a.m. 20.5 ppb (20) 6.6 ppb (7) N/A 14.0 ppb (14) N/A N/A N/A 0.22 ppb (3) N/A 5.8 μg/m3 (25) 25.0
 
Dec. 2, 2021, 9 a.m. 13.7 ppb (13) 3.2 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.16 ppb (3) N/A 2.1 μg/m3 (9) 13.0
 
Dec. 2, 2021, 8 a.m. 17.1 ppb (17) 5.3 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.18 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Dec. 2, 2021, 7 a.m. 12.0 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A N/A N/A 0.17 ppb (3) N/A 3.4 μg/m3 (15) 15.0
 
Dec. 2, 2021, 6 a.m. 13.6 ppb (13) 3.4 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.19 ppb (3) N/A 3.2 μg/m3 (14) 14.0
 
Dec. 2, 2021, 5 a.m. 13.3 ppb (13) 3.4 ppb (4) N/A 10.0 ppb (10) N/A N/A N/A 0.18 ppb (3) N/A 2.8 μg/m3 (12) 13.0
 
Dec. 2, 2021, 4 a.m. 17.6 ppb (17) 5.2 ppb (5) N/A 12.0 ppb (12) N/A N/A N/A 0.19 ppb (3) N/A 2.8 μg/m3 (12) 17.0
 
Dec. 2, 2021, 3 a.m. 24.6 ppb (24) 7.3 ppb (7) N/A 17.0 ppb (17) N/A N/A N/A 0.27 ppb (4) N/A 4.2 μg/m3 (18) 24.0