ID: 2261

AQSQID: 290950042

Site Name: Blue Ridge I-70

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

Updated: Sept. 23, 2020, 11:40 a.m.

Location: Kansas City (Ashland Ridge), MO

Reporting: True, Located: True

Current AQI: 44.0

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
Sept. 23, 2020, 10 a.m. 21.5 ppb (20) 9.9 ppb (9) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 23, 2020, 9 a.m. 15.5 ppb (14) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A 0.03 ppb (0) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 23, 2020, 8 a.m. 8.4 ppb (8) 1.2 ppb (1) N/A 7.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 23, 2020, 7 a.m. 10.0 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 16.3 μg/m3 (59) 59.0
 
Sept. 23, 2020, 6 a.m. 10.9 ppb (10) 2.3 ppb (2) N/A 9.0 ppb (8) N/A N/A N/A 0.03 ppb (0) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 23, 2020, 5 a.m. 12.1 ppb (11) 5.2 ppb (5) N/A 7.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 12.8 μg/m3 (52) 52.0
 
Sept. 23, 2020, 4 a.m. 18.3 ppb (17) 7.8 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 15.3 μg/m3 (57) 57.0
 
Sept. 23, 2020, 3 a.m. 32.4 ppb (30) 14.4 ppb (13) N/A 18.0 ppb (17) N/A N/A N/A 0.04 ppb (0) N/A 13.3 μg/m3 (53) 53.0
 
Sept. 23, 2020, 2 a.m. 36.9 ppb (34) 15.1 ppb (14) N/A 22.0 ppb (20) N/A N/A N/A 0.05 ppb (1) N/A 14.1 μg/m3 (54) 54.0
 
Sept. 23, 2020, 1 a.m. 34.1 ppb (32) 13.8 ppb (13) N/A 20.0 ppb (19) N/A N/A N/A 0.04 ppb (0) N/A 18.1 μg/m3 (63) 63.0
 
Sept. 23, 2020, midnight 30.6 ppb (28) 11.1 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.04 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
Sept. 22, 2020, 11 p.m. 28.9 ppb (27) 10.4 ppb (10) N/A 19.0 ppb (18) N/A N/A N/A 0.04 ppb (0) N/A 9.3 μg/m3 (39) 39.0
 
Sept. 22, 2020, 10 p.m. 35.1 ppb (32) 17.3 ppb (16) N/A 18.0 ppb (17) N/A N/A N/A 0.05 ppb (1) N/A 12.8 μg/m3 (52) 52.0
 
Sept. 22, 2020, 9 p.m. 31.4 ppb (29) 15.7 ppb (15) N/A 16.0 ppb (15) N/A N/A N/A 0.04 ppb (0) N/A 18.7 μg/m3 (64) 64.0
 
Sept. 22, 2020, 8 p.m. 31.1 ppb (29) 16.1 ppb (15) N/A 15.0 ppb (14) N/A N/A N/A 0.04 ppb (0) N/A -1.6 μg/m3 (0) 29.0
 
Sept. 22, 2020, 7 p.m. 26.0 ppb (24) 12.7 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.04 ppb (0) N/A 13.2 μg/m3 (53) 53.0
 
Sept. 22, 2020, 6 p.m. 20.0 ppb (19) 8.5 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 4.0 μg/m3 (17) 19.0
 
Sept. 22, 2020, 5 p.m. 13.9 ppb (13) 5.3 ppb (5) N/A 9.0 ppb (8) N/A N/A N/A 0.03 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 22, 2020, 4 p.m. 16.0 ppb (15) 6.5 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.04 ppb (0) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 22, 2020, 3 p.m. 19.0 ppb (18) 8.0 ppb (7) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 22, 2020, 2 p.m. 21.7 ppb (20) 8.8 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.04 ppb (0) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 22, 2020, 1 p.m. 22.7 ppb (21) 10.2 ppb (9) N/A 13.0 ppb (12) N/A N/A N/A 0.04 ppb (0) N/A 11.2 μg/m3 (47) 47.0
 
Sept. 22, 2020, noon 37.8 ppb (35) 20.0 ppb (19) N/A 18.0 ppb (17) N/A N/A N/A 0.05 ppb (1) N/A 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 11 a.m. 24.1 ppb (22) 12.7 ppb (12) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 9.7 μg/m3 (40) 40.0
 
Sept. 22, 2020, 10 a.m. 16.8 ppb (16) 8.2 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.04 ppb (0) N/A 10.5 μg/m3 (44) 44.0
 
Sept. 22, 2020, 9 a.m. 7.3 ppb (7) 2.7 ppb (3) N/A 5.0 ppb (5) N/A N/A N/A 0.03 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 22, 2020, 8 a.m. 5.2 ppb (5) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 22, 2020, 7 a.m. 9.2 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 9.7 μg/m3 (40) 40.0
 
Sept. 22, 2020, 6 a.m. 8.0 ppb (7) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 22, 2020, 5 a.m. 10.6 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.03 ppb (0) N/A 12.3 μg/m3 (51) 51.0
 
Sept. 22, 2020, 4 a.m. 17.0 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A N/A N/A 0.04 ppb (0) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 22, 2020, 3 a.m. 34.6 ppb (32) 10.3 ppb (10) N/A 24.0 ppb (22) N/A N/A N/A 0.05 ppb (1) N/A 10.4 μg/m3 (43) 43.0
 
Sept. 22, 2020, 2 a.m. 29.9 ppb (28) 10.5 ppb (10) N/A 20.0 ppb (19) N/A N/A N/A 0.04 ppb (0) N/A 13.1 μg/m3 (52) 52.0
 
Sept. 22, 2020, 1 a.m. 39.5 ppb (37) 15.4 ppb (14) N/A 24.0 ppb (22) N/A N/A N/A 0.04 ppb (0) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 22, 2020, midnight 37.9 ppb (35) 14.7 ppb (14) N/A 23.0 ppb (21) N/A N/A N/A 0.05 ppb (1) N/A 14.1 μg/m3 (54) 54.0
 
Sept. 21, 2020, 11 p.m. 31.0 ppb (29) 12.8 ppb (12) N/A 18.0 ppb (17) N/A N/A N/A 0.04 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 21, 2020, 10 p.m. 30.7 ppb (28) 13.7 ppb (13) N/A 17.0 ppb (16) N/A N/A N/A 0.06 ppb (1) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 21, 2020, 9 p.m. 31.1 ppb (29) 14.7 ppb (14) N/A 17.0 ppb (16) N/A N/A N/A 0.14 ppb (2) N/A 17.0 μg/m3 (61) 61.0
 
Sept. 21, 2020, 8 p.m. 19.0 ppb (18) 8.2 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 21, 2020, 7 p.m. 24.0 ppb (22) 10.4 ppb (10) N/A 14.0 ppb (13) N/A N/A N/A 0.06 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
Sept. 21, 2020, 6 p.m. 21.1 ppb (20) 9.1 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 21, 2020, 5 p.m. 20.2 ppb (19) 8.5 ppb (8) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 12.6 μg/m3 (51) 51.0
 
Sept. 21, 2020, 4 p.m. 16.2 ppb (15) 6.7 ppb (6) N/A 10.0 ppb (9) N/A N/A N/A 0.03 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 21, 2020, 3 p.m. 25.3 ppb (23) 13.6 ppb (13) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 4.1 μg/m3 (17) 23.0
 
Sept. 21, 2020, 2 p.m. 34.6 ppb (32) 20.9 ppb (19) N/A 14.0 ppb (13) N/A N/A N/A 0.04 ppb (0) N/A 20.3 μg/m3 (68) 68.0
 
Sept. 21, 2020, 1 p.m. 35.3 ppb (33) 20.2 ppb (19) N/A 15.0 ppb (14) N/A N/A N/A 0.04 ppb (0) N/A 11.9 μg/m3 (50) 50.0
 
Sept. 21, 2020, noon 37.6 ppb (35) 22.4 ppb (21) N/A 15.0 ppb (14) N/A N/A N/A 0.05 ppb (1) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 21, 2020, 11 a.m. 31.3 ppb (29) 17.0 ppb (16) N/A 14.0 ppb (13) N/A N/A N/A 0.04 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 21, 2020, 10 a.m. 16.5 ppb (15) 8.0 ppb (7) N/A 9.0 ppb (8) N/A N/A N/A 0.03 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 21, 2020, 9 a.m. 8.7 ppb (8) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A N/A 0.03 ppb (0) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 21, 2020, 8 a.m. 6.0 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 21, 2020, 7 a.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.02 ppb (0) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 21, 2020, 6 a.m. 4.5 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.03 ppb (0) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 21, 2020, 5 a.m. 6.0 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 21, 2020, 4 a.m. 11.5 ppb (11) 3.1 ppb (3) N/A 8.0 ppb (7) N/A N/A N/A 0.03 ppb (0) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 21, 2020, 3 a.m. 13.1 ppb (12) 2.2 ppb (2) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, 2 a.m. 21.6 ppb (20) 6.1 ppb (6) N/A 16.0 ppb (15) N/A N/A N/A 0.04 ppb (0) N/A 4.5 μg/m3 (19) 20.0
 
Sept. 21, 2020, 1 a.m. 26.9 ppb (25) 6.3 ppb (6) N/A 21.0 ppb (19) N/A N/A N/A 0.04 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Sept. 21, 2020, midnight 30.0 ppb (28) 7.1 ppb (7) N/A 23.0 ppb (21) N/A N/A N/A 0.04 ppb (0) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 20, 2020, 11 p.m. 21.6 ppb (20) 8.4 ppb (8) N/A 13.0 ppb (12) N/A N/A N/A 0.08 ppb (1) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2020, 10 p.m. 19.4 ppb (18) 8.2 ppb (8) N/A 11.0 ppb (10) N/A N/A N/A 0.14 ppb (2) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 20, 2020, 9 p.m. 13.4 ppb (12) 5.3 ppb (5) N/A 8.0 ppb (7) N/A N/A N/A 0.25 ppb (3) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 20, 2020, 8 p.m. 18.9 ppb (18) 9.1 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.25 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 20, 2020, 7 p.m. 14.4 ppb (13) 6.4 ppb (6) N/A 8.0 ppb (7) N/A N/A N/A 0.18 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 20, 2020, 6 p.m. 18.5 ppb (17) 9.1 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.06 ppb (1) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 20, 2020, 5 p.m. 17.6 ppb (16) 9.0 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.08 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 20, 2020, 4 p.m. 17.2 ppb (16) 9.1 ppb (8) N/A 8.0 ppb (7) N/A N/A N/A 0.05 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 20, 2020, 3 p.m. 16.5 ppb (15) 9.4 ppb (9) N/A 7.0 ppb (6) N/A N/A N/A 0.1 ppb (1) N/A -1.5 μg/m3 (0) 15.0
 
Sept. 20, 2020, 2 p.m. 13.9 ppb (13) 7.9 ppb (7) N/A 6.0 ppb (6) N/A N/A N/A 0.09 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 20, 2020, 1 p.m. 14.6 ppb (14) 7.3 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.04 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, noon 11.8 ppb (11) 5.6 ppb (5) N/A 6.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 20, 2020, 11 a.m. 6.4 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2020, 10 a.m. 8.1 ppb (8) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 20, 2020, 9 a.m. 6.4 ppb (6) 1.8 ppb (2) N/A 5.0 ppb (5) N/A N/A N/A 0.03 ppb (0) N/A 5.6 μg/m3 (23) 23.0
 
Sept. 20, 2020, 8 a.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 20, 2020, 7 a.m. 6.5 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.03 ppb (0) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 20, 2020, 6 a.m. 8.5 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 20, 2020, 5 a.m. 11.3 ppb (10) 2.7 ppb (3) N/A 9.0 ppb (8) N/A N/A N/A 0.03 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2020, 4 a.m. 16.2 ppb (15) 5.3 ppb (5) N/A 11.0 ppb (10) N/A N/A N/A 0.03 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 20, 2020, 3 a.m. 17.5 ppb (16) 6.0 ppb (6) N/A 12.0 ppb (11) N/A N/A N/A 0.03 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 2 a.m. 26.9 ppb (25) 7.9 ppb (7) N/A 19.0 ppb (18) N/A N/A N/A 0.04 ppb (0) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2020, 1 a.m. 29.8 ppb (28) 7.8 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.05 ppb (1) N/A 14.5 μg/m3 (55) 55.0
 
Sept. 20, 2020, midnight 36.5 ppb (34) 14.5 ppb (13) N/A 22.0 ppb (20) N/A N/A N/A 0.04 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 19, 2020, 11 p.m. 31.0 ppb (29) 14.6 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.04 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 19, 2020, 10 p.m. 22.8 ppb (21) 10.8 ppb (10) N/A 12.0 ppb (11) N/A N/A N/A 0.04 ppb (0) N/A 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2020, 9 p.m. 18.3 ppb (17) 8.8 ppb (8) N/A 10.0 ppb (9) N/A N/A N/A 0.06 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 19, 2020, 8 p.m. 20.8 ppb (19) 10.3 ppb (10) N/A 11.0 ppb (10) N/A N/A N/A 0.04 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 19, 2020, 7 p.m. 20.6 ppb (19) 11.3 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.07 ppb (1) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 19, 2020, 6 p.m. 18.8 ppb (17) 10.0 ppb (9) N/A 9.0 ppb (8) N/A N/A N/A 0.04 ppb (0) N/A 11.2 μg/m3 (47) 47.0
 
Sept. 19, 2020, 5 p.m. 16.7 ppb (15) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A N/A 0.06 ppb (1) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 4 p.m. 19.2 ppb (18) 10.7 ppb (10) N/A 9.0 ppb (8) N/A N/A N/A 0.05 ppb (1) N/A 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2020, 3 p.m. 21.2 ppb (20) 12.3 ppb (11) N/A 9.0 ppb (8) N/A N/A N/A 0.08 ppb (1) N/A 13.2 μg/m3 (53) 53.0
 
Sept. 19, 2020, 2 p.m. 19.6 ppb (18) 11.5 ppb (11) N/A 8.0 ppb (7) N/A N/A N/A 0.05 ppb (1) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 19, 2020, 1 p.m. 23.0 ppb (21) 12.6 ppb (12) N/A 10.0 ppb (9) N/A N/A N/A 0.04 ppb (0) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 19, 2020, noon 25.5 ppb (24) 12.8 ppb (12) N/A 13.0 ppb (12) N/A N/A N/A 0.04 ppb (0) N/A 10.8 μg/m3 (45) 45.0
 
Sept. 19, 2020, 11 a.m. 14.6 ppb (14) 4.8 ppb (4) N/A 10.0 ppb (9) N/A N/A N/A 0.04 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
Sept. 19, 2020, 10 a.m. 13.4 ppb (12) 4.1 ppb (4) N/A 9.0 ppb (8) N/A N/A N/A 0.04 ppb (0) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 19, 2020, 9 a.m. 9.9 ppb (9) 3.3 ppb (3) N/A 7.0 ppb (6) N/A N/A N/A 0.03 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 19, 2020, 8 a.m. 6.3 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.03 ppb (0) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 19, 2020, 7 a.m. 8.9 ppb (8) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A N/A 0.04 ppb (0) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 19, 2020, 6 a.m. 9.9 ppb (9) 1.7 ppb (2) N/A 8.0 ppb (7) N/A N/A N/A 0.18 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
Sept. 19, 2020, 5 a.m. 15.4 ppb (14) 3.0 ppb (3) N/A 12.0 ppb (11) N/A N/A N/A 0.3 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 19, 2020, 4 a.m. 10.3 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 19, 2020, 3 a.m. 5.1 ppb (5) -0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 9.8 μg/m3 (41) 41.0
 
Sept. 19, 2020, 2 a.m. 8.4 ppb (8) -0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A N/A 0.17 ppb (2) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 19, 2020, 1 a.m. 11.2 ppb (10) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.22 ppb (2) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2020, midnight 9.8 ppb (9) -0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2020, 11 p.m. 4.4 ppb (4) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 4.6 μg/m3 (19) 19.0
 
Sept. 18, 2020, 10 p.m. 6.1 ppb (6) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2020, 9 p.m. 4.1 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A -1.6 μg/m3 (0) 4.0
 
Sept. 18, 2020, 8 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2020, 7 p.m. 4.3 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.21 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 18, 2020, 6 p.m. 5.5 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 18, 2020, 5 p.m. 14.5 ppb (13) 7.5 ppb (7) N/A 7.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 12.6 μg/m3 (51) 51.0
 
Sept. 18, 2020, 4 p.m. 4.1 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 18, 2020, 3 p.m. 4.9 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A -1.4 μg/m3 (0) 5.0
 
Sept. 18, 2020, 2 p.m. 4.5 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
Sept. 18, 2020, 1 p.m. 5.4 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A N/A 0.18 ppb (2) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 18, 2020, noon 9.1 ppb (8) 1.2 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.19 ppb (2) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 18, 2020, 11 a.m. 10.5 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A 0.23 ppb (3) N/A 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2020, 10 a.m. 4.6 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 18, 2020, 9 a.m. 3.7 ppb (3) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 18, 2020, 8 a.m. 3.0 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 18, 2020, 7 a.m. 6.5 ppb (6) -0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2020, 6 a.m. 4.7 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
Sept. 18, 2020, 5 a.m. 3.4 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2020, 4 a.m. 5.7 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2020, 3 a.m. 9.8 ppb (9) -0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A N/A 0.27 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 18, 2020, 2 a.m. 11.5 ppb (11) -0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A N/A 0.34 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 18, 2020, 1 a.m. 11.0 ppb (10) -0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A N/A 0.29 ppb (3) N/A 11.6 μg/m3 (48) 48.0
 
Sept. 18, 2020, midnight 7.6 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 17, 2020, 11 p.m. 5.0 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2020, 10 p.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
Sept. 17, 2020, 9 p.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2020, 8 p.m. 3.0 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 7 p.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2020, 6 p.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2020, 5 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.3 ppb (3) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 17, 2020, 4 p.m. 2.5 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.24 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 17, 2020, 3 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (2) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 17, 2020, 2 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A N/A N/A 0.23 ppb (3) N/A 25.9 μg/m3 (80) 80.0
 
Sept. 17, 2020, 1 p.m. 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, noon 6.9 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 11 a.m. 4.5 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.25 ppb (3) N/A 13.4 μg/m3 (53) 53.0
 
Sept. 17, 2020, 10 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (2) N/A 13.9 μg/m3 (54) 54.0
 
Sept. 17, 2020, 9 a.m. 1.4 ppb (1) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.22 ppb (2) N/A 17.3 μg/m3 (61) 61.0
 
Sept. 17, 2020, 8 a.m. 3.8 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A N/A 0.24 ppb (3) N/A 19.6 μg/m3 (66) 66.0
 
Sept. 17, 2020, 7 a.m. 2.2 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A 18.7 μg/m3 (64) 64.0
 
Sept. 17, 2020, 6 a.m. 2.2 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A N/A 0.23 ppb (3) N/A 16.2 μg/m3 (59) 59.0
 
Sept. 17, 2020, 5 a.m. 2.4 ppb (2) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A 0.22 ppb (2) N/A 15.5 μg/m3 (57) 57.0
 
Sept. 17, 2020, 4 a.m. 16.6 ppb (15) 2.6 ppb (2) N/A 14.0 ppb (13) N/A N/A N/A 0.42 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 3 a.m. 79.9 ppb (78) 48.4 ppb (45) N/A 32.0 ppb (30) N/A N/A N/A 1.05 ppb (12) N/A 16.0 μg/m3 (59) 78.0
 
Sept. 17, 2020, 2 a.m. 83.4 ppb (81) 47.8 ppb (44) N/A 36.0 ppb (33) N/A N/A N/A 1.01 ppb (11) N/A 15.6 μg/m3 (58) 81.0
 
Sept. 17, 2020, 1 a.m. 46.1 ppb (43) 9.7 ppb (9) N/A 36.0 ppb (33) N/A N/A N/A 0.86 ppb (10) N/A 13.0 μg/m3 (52) 52.0
 
Sept. 17, 2020, midnight 34.7 ppb (32) 6.3 ppb (6) N/A 28.0 ppb (26) N/A N/A N/A 0.63 ppb (7) N/A 11.3 μg/m3 (47) 47.0
 
Sept. 16, 2020, 11 p.m. 39.1 ppb (36) 10.7 ppb (10) N/A 29.0 ppb (27) N/A N/A N/A 0.6 ppb (7) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 16, 2020, 10 p.m. 31.4 ppb (29) 9.0 ppb (8) N/A 22.0 ppb (20) N/A N/A N/A 0.49 ppb (5) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 16, 2020, 9 p.m. 8.6 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.3 ppb (3) N/A 15.5 μg/m3 (57) 57.0
 
Sept. 16, 2020, 8 p.m. 10.1 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 10.9 μg/m3 (45) 45.0
 
Sept. 16, 2020, 7 p.m. 9.1 ppb (8) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A N/A 0.31 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2020, 6 p.m. 18.6 ppb (17) 3.6 ppb (3) N/A 15.0 ppb (14) N/A N/A N/A 0.39 ppb (4) N/A 14.7 μg/m3 (56) 56.0
 
Sept. 16, 2020, 5 p.m. 28.8 ppb (27) 10.2 ppb (9) N/A 19.0 ppb (18) N/A N/A N/A 0.46 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
Sept. 16, 2020, 4 p.m. 26.8 ppb (25) 9.0 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A 0.42 ppb (5) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 3 p.m. 31.0 ppb (29) 14.6 ppb (14) N/A 16.0 ppb (15) N/A N/A N/A 0.41 ppb (5) N/A 16.2 μg/m3 (59) 59.0
 
Sept. 16, 2020, 2 p.m. 30.8 ppb (29) 16.8 ppb (16) N/A 14.0 ppb (13) N/A N/A N/A 0.41 ppb (5) N/A 6.1 μg/m3 (25) 29.0
 
Sept. 16, 2020, 1 p.m. 59.7 ppb (56) 38.7 ppb (36) N/A 21.0 ppb (19) N/A N/A N/A 0.61 ppb (7) N/A 8.8 μg/m3 (37) 56.0
 
Sept. 16, 2020, noon 55.0 ppb (51) 38.1 ppb (35) N/A 17.0 ppb (16) N/A N/A N/A 0.72 ppb (8) N/A 9.8 μg/m3 (41) 51.0
 
Sept. 16, 2020, 11 a.m. 26.0 ppb (24) 10.0 ppb (9) N/A 16.0 ppb (15) N/A N/A N/A 0.53 ppb (6) N/A 10.0 μg/m3 (42) 42.0