ID: 1225

AQSQID: 290950034

Site Name: Troost

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

Updated: Sept. 21, 2021, 4:07 p.m.

Location: Kansas City (Central Business Dist - Downtown), MO

Reporting: True, Located: True

Current AQI: 23.0

Kansas City (Central Business Dist - Downtown) MO, US: 39.10465, -94.57055

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 2 p.m. 7.4 ppb (7) 3.0 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
Sept. 21, 2021, 1 p.m. 10.3 ppb (10) 3.6 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) 2.8 μg/m3 (12) 13.0
 
Sept. 21, 2021, noon 12.4 ppb (12) 3.8 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) 2.4 μg/m3 (10) 13.0
 
Sept. 21, 2021, 11 a.m. 14.7 ppb (14) 4.7 ppb (5) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
Sept. 21, 2021, 10 a.m. 8.8 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) -0.4 μg/m3 (0) 12.0
 
Sept. 21, 2021, 9 a.m. 6.0 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) -2.9 μg/m3 (0) 12.0
 
Sept. 21, 2021, 8 a.m. 6.6 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 17.2 μg/m3 (62) 62.0
 
Sept. 21, 2021, 7 a.m. 6.8 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 5.5 μg/m3 (23) 23.0
 
Sept. 21, 2021, 6 a.m. 3.5 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 15.0 μg/m3 (14) 6.1 μg/m3 (26) 26.0
 
Sept. 21, 2021, 5 a.m. 3.2 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 20.0 μg/m3 (19) 6.5 μg/m3 (28) 28.0
 
Sept. 21, 2021, 4 a.m. 4.5 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 6.1 μg/m3 (26) 26.0
 
Sept. 21, 2021, 3 a.m. 4.8 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 7.5 μg/m3 (32) 32.0
 
Sept. 21, 2021, 2 a.m. 5.3 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 41.0 μg/m3 (38) 2.5 μg/m3 (11) 38.0
 
Sept. 21, 2021, 1 a.m. 7.2 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 48.0 μg/m3 (45) 6.5 μg/m3 (28) 45.0
 
Sept. 21, 2021, midnight 11.6 ppb (11) 1.1 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 43.0 μg/m3 (40) 8.0 μg/m3 (34) 40.0
 
Sept. 20, 2021, 11 p.m. 11.0 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
Sept. 20, 2021, 10 p.m. 8.2 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 36.0 μg/m3 (34) 8.5 μg/m3 (36) 36.0
 
Sept. 20, 2021, 9 p.m. 7.6 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 36.0 μg/m3 (34) 11.8 μg/m3 (50) 50.0
 
Sept. 20, 2021, 8 p.m. 5.2 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2021, 7 p.m. 7.0 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 8.9 μg/m3 (38) 38.0
 
Sept. 20, 2021, 6 p.m. 5.6 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 7.6 μg/m3 (32) 32.0
 
Sept. 20, 2021, 5 p.m. 3.1 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
Sept. 20, 2021, 4 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 7.7 μg/m3 (33) 33.0
 
Sept. 20, 2021, 3 p.m. 4.3 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 23.0 μg/m3 (22) 6.1 μg/m3 (26) 26.0
 
Sept. 20, 2021, 2 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 23.0 μg/m3 (22) 5.9 μg/m3 (25) 25.0
 
Sept. 20, 2021, 1 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 7.2 μg/m3 (31) 31.0
 
Sept. 20, 2021, noon 6.2 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 15.0
 
Sept. 20, 2021, 11 a.m. 4.5 ppb (5) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 3.3 μg/m3 (14) 14.0
 
Sept. 20, 2021, 10 a.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 1.8 μg/m3 (8) 12.0
 
Sept. 20, 2021, 9 a.m. 3.6 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 2.1 μg/m3 (9) 12.0
 
Sept. 20, 2021, 8 a.m. 2.4 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 2.9 μg/m3 (13) 13.0
 
Sept. 20, 2021, 7 a.m. 1.9 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 2.8 μg/m3 (12) 12.0
 
Sept. 20, 2021, 6 a.m. 1.6 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 3.2 μg/m3 (14) 14.0
 
Sept. 20, 2021, 5 a.m. 1.8 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 1.2 μg/m3 (5) 12.0
 
Sept. 20, 2021, 4 a.m. 2.0 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
Sept. 20, 2021, 3 a.m. 3.1 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 4.2 μg/m3 (18) 18.0
 
Sept. 20, 2021, 2 a.m. 3.6 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 12.0 μg/m3 (12) 4.4 μg/m3 (19) 19.0
 
Sept. 20, 2021, 1 a.m. 5.3 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 2.9 μg/m3 (13) 13.0
 
Sept. 20, 2021, midnight 4.2 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 2.3 μg/m3 (10) 15.0
 
Sept. 19, 2021, 11 p.m. 1.6 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 4.4 μg/m3 (19) 19.0
 
Sept. 19, 2021, 10 p.m. 1.3 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) 2.5 μg/m3 (11) 16.0
 
Sept. 19, 2021, 9 p.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
Sept. 19, 2021, 8 p.m. 0.6 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 1.2 μg/m3 (5) 15.0
 
Sept. 19, 2021, 7 p.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 15.0 μg/m3 (14) 2.7 μg/m3 (12) 14.0
 
Sept. 19, 2021, 6 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
Sept. 19, 2021, 5 p.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) 3.8 μg/m3 (16) 16.0
 
Sept. 19, 2021, 4 p.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 2.9 μg/m3 (13) 13.0
 
Sept. 19, 2021, 3 p.m. 1.7 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 5.3 μg/m3 (23) 23.0
 
Sept. 19, 2021, 2 p.m. 3.7 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 15.0 μg/m3 (14) 6.1 μg/m3 (26) 26.0
 
Sept. 19, 2021, 1 p.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 6.3 μg/m3 (27) 27.0
 
Sept. 19, 2021, noon 4.4 ppb (5) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Sept. 19, 2021, 11 a.m. 5.6 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) 6.1 μg/m3 (26) 26.0
 
Sept. 19, 2021, 10 a.m. 5.4 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 6.6 μg/m3 (28) 28.0
 
Sept. 19, 2021, 9 a.m. 7.9 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 21.0 μg/m3 (20) 9.4 μg/m3 (40) 40.0
 
Sept. 19, 2021, 8 a.m. 6.7 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 11.4 μg/m3 (48) 48.0
 
Sept. 19, 2021, 7 a.m. 7.9 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 10.6 μg/m3 (45) 45.0
 
Sept. 19, 2021, 6 a.m. 12.3 ppb (12) -0.4 ppb (0) N/A 13.0 ppb (13) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
Sept. 19, 2021, 5 a.m. 11.9 ppb (12) -0.4 ppb (0) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 39.0 μg/m3 (37) 13.4 μg/m3 (54) 54.0
 
Sept. 19, 2021, 4 a.m. 29.8 ppb (29) 3.5 ppb (4) N/A 26.0 ppb (25) N/A 1.0 ppb (2) N/A N/A 48.0 μg/m3 (45) 19.2 μg/m3 (66) 66.0
 
Sept. 19, 2021, 3 a.m. 46.3 ppb (44) 6.8 ppb (7) N/A 39.0 ppb (37) N/A 1.0 ppb (2) N/A N/A 53.0 μg/m3 (50) 22.2 μg/m3 (73) 73.0
 
Sept. 19, 2021, 2 a.m. 33.9 ppb (32) 0.8 ppb (1) N/A 33.0 ppb (32) N/A 1.0 ppb (2) N/A N/A 53.0 μg/m3 (50) 20.9 μg/m3 (70) 70.0
 
Sept. 19, 2021, 1 a.m. 22.2 ppb (21) -0.4 ppb (0) N/A 22.0 ppb (21) N/A 1.0 ppb (2) N/A N/A 40.0 μg/m3 (38) 13.1 μg/m3 (54) 54.0
 
Sept. 19, 2021, midnight 14.1 ppb (14) -0.5 ppb (0) N/A 15.0 ppb (15) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 7.9 μg/m3 (33) 33.0
 
Sept. 18, 2021, 11 p.m. 3.5 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 7.1 μg/m3 (30) 32.0
 
Sept. 18, 2021, 10 p.m. 1.3 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 8.6 μg/m3 (36) 36.0
 
Sept. 18, 2021, 9 p.m. 1.8 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2021, 8 p.m. 1.6 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
Sept. 18, 2021, 7 p.m. 3.9 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) N/A N/A 32.0 μg/m3 (30) 10.9 μg/m3 (46) 46.0
 
Sept. 18, 2021, 6 p.m. 6.6 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A 38.0 μg/m3 (36) 11.3 μg/m3 (48) 48.0
 
Sept. 18, 2021, 5 p.m. 10.8 ppb (11) 2.0 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 53.0 μg/m3 (50) 10.3 μg/m3 (43) 50.0
 
Sept. 18, 2021, 4 p.m. 15.2 ppb (15) 4.3 ppb (5) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 57.0 μg/m3 (52) 11.0 μg/m3 (46) 52.0
 
Sept. 18, 2021, 3 p.m. 13.1 ppb (13) 4.4 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 50.0 μg/m3 (47) 6.6 μg/m3 (28) 47.0
 
Sept. 18, 2021, 2 p.m. 11.4 ppb (11) 3.7 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 45.0 μg/m3 (42) 5.6 μg/m3 (24) 42.0
 
Sept. 18, 2021, 1 p.m. 14.2 ppb (14) 3.7 ppb (4) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 39.0 μg/m3 (37) 3.9 μg/m3 (17) 37.0
 
Sept. 18, 2021, noon 11.7 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 5.7 μg/m3 (24) 30.0
 
Sept. 18, 2021, 11 a.m. 11.7 ppb (12) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 4.8 μg/m3 (20) 31.0
 
Sept. 18, 2021, 10 a.m. 10.8 ppb (11) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 8.2 μg/m3 (35) 36.0
 
Sept. 18, 2021, 9 a.m. 9.2 ppb (9) -0.3 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 6.7 μg/m3 (28) 32.0
 
Sept. 18, 2021, 8 a.m. 6.5 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 5.4 μg/m3 (23) 31.0
 
Sept. 18, 2021, 7 a.m. 6.8 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 5.3 μg/m3 (23) 29.0
 
Sept. 18, 2021, 6 a.m. 6.4 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 5.8 μg/m3 (25) 25.0
 
Sept. 18, 2021, 5 a.m. 5.4 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 20.0 μg/m3 (19) 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2021, 4 a.m. 8.7 ppb (9) -0.4 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 22.0 μg/m3 (21) 6.7 μg/m3 (28) 28.0
 
Sept. 18, 2021, 3 a.m. 12.8 ppb (13) 0.0 ppb (0) N/A 13.0 ppb (13) N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 6.1 μg/m3 (26) 26.0
 
Sept. 18, 2021, 2 a.m. 12.1 ppb (12) 0.1 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 20.0 μg/m3 (19) 6.3 μg/m3 (27) 27.0
 
Sept. 18, 2021, 1 a.m. 9.8 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 22.0 μg/m3 (21) 6.4 μg/m3 (27) 27.0
 
Sept. 18, 2021, midnight 8.4 ppb (8) -0.1 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 6.3 μg/m3 (27) 31.0
 
Sept. 17, 2021, 11 p.m. 9.0 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 42.0 μg/m3 (39) 9.4 μg/m3 (40) 40.0
 
Sept. 17, 2021, 10 p.m. 8.5 ppb (9) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 12.4 μg/m3 (52) 52.0
 
Sept. 17, 2021, 9 p.m. 4.3 ppb (5) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
Sept. 17, 2021, 8 p.m. 5.8 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 35.0 μg/m3 (33) 11.8 μg/m3 (50) 50.0
 
Sept. 17, 2021, 7 p.m. 8.8 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 10.4 μg/m3 (44) 44.0
 
Sept. 17, 2021, 6 p.m. 11.5 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 11.6 μg/m3 (49) 49.0
 
Sept. 17, 2021, 5 p.m. 11.2 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2021, 4 p.m. 16.4 ppb (16) 3.9 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 46.0 μg/m3 (43) 11.2 μg/m3 (47) 47.0
 
Sept. 17, 2021, 3 p.m. 13.9 ppb (14) 3.2 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 8.9 μg/m3 (38) 38.0
 
Sept. 17, 2021, 2 p.m. 10.4 ppb (10) 2.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 12.3 μg/m3 (52) 52.0
 
Sept. 17, 2021, 1 p.m. 12.1 ppb (12) 2.0 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 29.0 μg/m3 (27) 7.8 μg/m3 (33) 33.0
 
Sept. 17, 2021, noon 12.2 ppb (12) 0.9 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 22.0 μg/m3 (21) 7.1 μg/m3 (30) 30.0
 
Sept. 17, 2021, 11 a.m. 8.7 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 21.0 μg/m3 (20) 7.6 μg/m3 (32) 32.0
 
Sept. 17, 2021, 10 a.m. 4.5 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 19.0 μg/m3 (18) 7.8 μg/m3 (33) 33.0
 
Sept. 17, 2021, 9 a.m. 2.8 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2021, 8 a.m. 3.6 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 20.0 μg/m3 (19) 7.7 μg/m3 (33) 33.0
 
Sept. 17, 2021, 7 a.m. 5.3 ppb (5) -0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 23.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
Sept. 17, 2021, 6 a.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 26.0 μg/m3 (25) 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2021, 5 a.m. 3.2 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 26.0 μg/m3 (25) 11.1 μg/m3 (47) 47.0
 
Sept. 17, 2021, 4 a.m. 5.5 ppb (6) -0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 9.4 μg/m3 (40) 40.0
 
Sept. 17, 2021, 3 a.m. 9.0 ppb (9) -0.4 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 7.7 μg/m3 (33) 33.0
 
Sept. 17, 2021, 2 a.m. 10.9 ppb (11) -0.4 ppb (0) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 10.3 μg/m3 (43) 43.0
 
Sept. 17, 2021, 1 a.m. 7.2 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 29.0 μg/m3 (27) 7.5 μg/m3 (32) 32.0
 
Sept. 17, 2021, midnight 4.8 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2021, 11 p.m. 3.7 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 6.5 μg/m3 (28) 31.0
 
Sept. 16, 2021, 10 p.m. 2.6 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 8.4 μg/m3 (36) 36.0
 
Sept. 16, 2021, 9 p.m. 3.2 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 8 p.m. 2.7 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 36.0 μg/m3 (34) 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2021, 7 p.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 10.1 μg/m3 (43) 43.0
 
Sept. 16, 2021, 6 p.m. 2.5 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 9.7 μg/m3 (41) 41.0
 
Sept. 16, 2021, 5 p.m. 3.6 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 35.0 μg/m3 (33) 6.9 μg/m3 (29) 33.0
 
Sept. 16, 2021, 4 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 10.2 μg/m3 (43) 43.0
 
Sept. 16, 2021, 3 p.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 7.6 μg/m3 (32) 32.0
 
Sept. 16, 2021, 2 p.m. 7.8 ppb (8) 1.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 9.1 μg/m3 (38) 38.0
 
Sept. 16, 2021, 1 p.m. 12.0 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 6.3 μg/m3 (27) 30.0
 
Sept. 16, 2021, noon 11.8 ppb (12) 1.7 ppb (2) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 23.0 μg/m3 (22) 5.8 μg/m3 (25) 25.0
 
Sept. 16, 2021, 11 a.m. 5.5 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 9.0 μg/m3 (38) 38.0
 
Sept. 16, 2021, 10 a.m. 6.5 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
Sept. 16, 2021, 9 a.m. 4.9 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 16.0 μg/m3 (15) 6.1 μg/m3 (26) 26.0
 
Sept. 16, 2021, 8 a.m. 3.2 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 18.0 μg/m3 (17) 4.6 μg/m3 (20) 20.0
 
Sept. 16, 2021, 7 a.m. 2.8 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 17.0 μg/m3 (16) 3.7 μg/m3 (16) 16.0
 
Sept. 16, 2021, 6 a.m. 7.1 ppb (7) -0.4 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 20.0 μg/m3 (19) 5.8 μg/m3 (25) 25.0
 
Sept. 16, 2021, 5 a.m. 6.5 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 25.0 μg/m3 (24) 4.1 μg/m3 (18) 24.0
 
Sept. 16, 2021, 4 a.m. 13.5 ppb (13) -0.2 ppb (0) N/A 14.0 ppb (14) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 5.5 μg/m3 (23) 30.0
 
Sept. 16, 2021, 3 a.m. 23.9 ppb (23) -0.2 ppb (0) N/A 24.0 ppb (23) N/A 1.0 ppb (2) N/A N/A 37.0 μg/m3 (35) 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2021, 2 a.m. 17.6 ppb (17) -0.2 ppb (0) N/A 18.0 ppb (17) N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 6.1 μg/m3 (26) 36.0
 
Sept. 16, 2021, 1 a.m. 16.1 ppb (16) -0.4 ppb (0) N/A 16.0 ppb (16) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 6.2 μg/m3 (26) 29.0
 
Sept. 16, 2021, midnight 11.6 ppb (11) -0.3 ppb (0) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 6.2 μg/m3 (26) 28.0
 
Sept. 15, 2021, 11 p.m. 3.8 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 4.8 μg/m3 (20) 29.0
 
Sept. 15, 2021, 10 p.m. 2.8 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 4.4 μg/m3 (19) 30.0
 
Sept. 15, 2021, 9 p.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 7.4 μg/m3 (31) 31.0
 
Sept. 15, 2021, 8 p.m. 2.4 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 6.8 μg/m3 (29) 29.0
 
Sept. 15, 2021, 7 p.m. 2.3 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 36.0 μg/m3 (34) 3.3 μg/m3 (14) 34.0
 
Sept. 15, 2021, 6 p.m. 2.0 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 2.9 μg/m3 (13) 28.0
 
Sept. 15, 2021, 5 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 37.0 μg/m3 (35) 5.7 μg/m3 (24) 35.0
 
Sept. 15, 2021, 4 p.m. 3.4 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 3.3 μg/m3 (14) 28.0
 
Sept. 15, 2021, 3 p.m. 4.8 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 5.4 μg/m3 (23) 30.0
 
Sept. 15, 2021, 2 p.m. 8.1 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 4.0 μg/m3 (17) 36.0
 
Sept. 15, 2021, 1 p.m. 11.4 ppb (11) 2.9 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 43.0 μg/m3 (40) 8.7 μg/m3 (37) 40.0
 
Sept. 15, 2021, noon 13.7 ppb (13) 2.1 ppb (2) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 4.0 μg/m3 (17) 31.0
 
Sept. 15, 2021, 11 a.m. 9.0 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 3.4 μg/m3 (15) 25.0
 
Sept. 15, 2021, 10 a.m. 10.4 ppb (10) 0.1 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 8.7 μg/m3 (37) 37.0
 
Sept. 15, 2021, 9 a.m. 12.8 ppb (13) 0.5 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 5.7 μg/m3 (24) 31.0
 
Sept. 15, 2021, 8 a.m. 12.0 ppb (12) 0.2 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 10.8 μg/m3 (46) 46.0
 
Sept. 15, 2021, 7 a.m. 6.8 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 29.0 μg/m3 (27) 9.6 μg/m3 (40) 40.0
 
Sept. 15, 2021, 6 a.m. 6.5 ppb (7) -0.4 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
Sept. 15, 2021, 5 a.m. 14.6 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) N/A N/A 32.0 μg/m3 (30) 13.3 μg/m3 (54) 54.0
 
Sept. 15, 2021, 4 a.m. 12.3 ppb (12) -0.2 ppb (0) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 9.2 μg/m3 (39) 39.0
 
Sept. 15, 2021, 3 a.m. 14.7 ppb (14) 0.2 ppb (1) N/A 14.0 ppb (14) N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 7.5 μg/m3 (32) 32.0
 
Sept. 15, 2021, 2 a.m. 9.7 ppb (10) -0.3 ppb (0) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
Sept. 15, 2021, 1 a.m. 7.2 ppb (7) -0.3 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 8.5 μg/m3 (36) 36.0
 
Sept. 15, 2021, midnight 8.5 ppb (9) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 8.5 μg/m3 (36) 36.0
 
Sept. 14, 2021, 11 p.m. 7.6 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 35.0 μg/m3 (33) 9.8 μg/m3 (41) 41.0
 
Sept. 14, 2021, 10 p.m. 10.4 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 44.0 μg/m3 (41) 14.6 μg/m3 (57) 57.0
 
Sept. 14, 2021, 9 p.m. 13.3 ppb (13) 2.9 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 49.0 μg/m3 (46) 14.7 μg/m3 (57) 57.0
 
Sept. 14, 2021, 8 p.m. 12.9 ppb (13) 2.0 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 49.0 μg/m3 (46) 13.2 μg/m3 (54) 54.0
 
Sept. 14, 2021, 7 p.m. 12.3 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 58.0 μg/m3 (53) 16.0 μg/m3 (60) 60.0
 
Sept. 14, 2021, 6 p.m. 13.7 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 48.0 μg/m3 (45) 14.3 μg/m3 (56) 56.0
 
Sept. 14, 2021, 5 p.m. 12.7 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 9.9 μg/m3 (42) 42.0
 
Sept. 14, 2021, 4 p.m. 10.1 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 39.0 μg/m3 (37) 10.2 μg/m3 (43) 43.0
 
Sept. 14, 2021, 3 p.m. 7.7 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 16.8 μg/m3 (61) 61.0