ID: 1225

AQSQID: 290950034

Site Name: Troost

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

Updated: April 10, 2021, 5:42 p.m.

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

Reporting: True, Located: True

Current AQI: 25.0

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
April 10, 2021, 4 p.m. 10.5 ppb (10) 4.5 ppb (5) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 15.7 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
April 10, 2021, 3 p.m. 12.0 ppb (12) 4.3 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 13.5 μg/m3 (13) 2.5 μg/m3 (11) 13.0
 
April 10, 2021, 2 p.m. 8.3 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 10.8 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
April 10, 2021, 1 p.m. 14.7 ppb (14) 3.6 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 10.5 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
April 10, 2021, noon 10.0 ppb (10) 1.2 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 8.2 μg/m3 (8) 3.5 μg/m3 (15) 15.0
 
April 10, 2021, 11 a.m. 10.4 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 7.6 μg/m3 (8) 3.3 μg/m3 (14) 14.0
 
April 10, 2021, 10 a.m. 8.4 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) N/A N/A 8.6 μg/m3 (8) 0.1 μg/m3 (1) 8.0
 
April 10, 2021, 9 a.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 8.4 μg/m3 (8) 0.7 μg/m3 (3) 8.0
 
April 10, 2021, 8 a.m. 4.0 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 9.9 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
April 10, 2021, 7 a.m. 4.3 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 10.0
 
April 10, 2021, 6 a.m. 4.3 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 10.7 μg/m3 (10) 1.4 μg/m3 (6) 10.0
 
April 10, 2021, 5 a.m. 5.7 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 13.1 μg/m3 (13) 3.7 μg/m3 (16) 16.0
 
April 10, 2021, 4 a.m. 10.7 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 13.8 μg/m3 (13) 0.9 μg/m3 (4) 13.0
 
April 10, 2021, 3 a.m. 11.7 ppb (12) 1.1 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 11.9 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
April 10, 2021, 2 a.m. 8.0 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 14.0 μg/m3 (13) 4.4 μg/m3 (19) 19.0
 
April 10, 2021, 1 a.m. 6.9 ppb (7) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A 14.3 μg/m3 (14) 3.7 μg/m3 (16) 16.0
 
April 10, 2021, midnight 6.6 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 17.1 μg/m3 (16) 3.7 μg/m3 (16) 16.0
 
April 9, 2021, 11 p.m. 12.4 ppb (12) 1.6 ppb (2) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 16.8 μg/m3 (16) 2.9 μg/m3 (13) 16.0
 
April 9, 2021, 10 p.m. 11.4 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 16.8 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
April 9, 2021, 9 p.m. 8.9 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 19.4 μg/m3 (18) 3.3 μg/m3 (14) 18.0
 
April 9, 2021, 8 p.m. 14.5 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 18.6 μg/m3 (18) 3.9 μg/m3 (17) 18.0
 
April 9, 2021, 7 p.m. 11.5 ppb (11) 3.4 ppb (4) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 20.8 μg/m3 (20) 1.9 μg/m3 (8) 20.0
 
April 9, 2021, 6 p.m. 24.7 ppb (24) 9.7 ppb (10) N/A 15.0 ppb (15) N/A 1.0 ppb (2) N/A N/A 20.8 μg/m3 (20) 5.0 μg/m3 (21) 24.0
 
April 9, 2021, 5 p.m. 23.0 ppb (22) 9.3 ppb (9) N/A 14.0 ppb (14) N/A 2.0 ppb (3) N/A N/A 20.5 μg/m3 (19) 4.1 μg/m3 (18) 22.0
 
April 9, 2021, 4 p.m. 26.0 ppb (25) 11.7 ppb (12) N/A 14.0 ppb (14) N/A 1.0 ppb (2) N/A N/A 22.7 μg/m3 (22) 6.1 μg/m3 (26) 26.0
 
April 9, 2021, 3 p.m. 45.5 ppb (43) 23.9 ppb (23) N/A 22.0 ppb (21) N/A 1.0 ppb (2) N/A N/A 34.2 μg/m3 (32) 10.5 μg/m3 (44) 44.0
 
April 9, 2021, 2 p.m. 82.6 ppb (82) 55.6 ppb (53) N/A 27.0 ppb (26) N/A 1.0 ppb (2) N/A N/A 40.2 μg/m3 (38) 13.0 μg/m3 (53) 82.0
 
April 9, 2021, 1 p.m. 84.8 ppb (84) 58.5 ppb (56) N/A 26.0 ppb (25) N/A 1.0 ppb (2) N/A N/A 25.7 μg/m3 (24) 7.1 μg/m3 (30) 84.0
 
April 9, 2021, noon 89.5 ppb (89) 58.6 ppb (56) N/A 31.0 ppb (30) N/A 1.0 ppb (2) N/A N/A 25.5 μg/m3 (24) 4.2 μg/m3 (18) 89.0
 
April 9, 2021, 11 a.m. 89.3 ppb (89) 60.2 ppb (58) N/A 29.0 ppb (28) N/A 1.0 ppb (2) N/A N/A 18.4 μg/m3 (18) 7.1 μg/m3 (30) 89.0
 
April 9, 2021, 10 a.m. 38.7 ppb (37) 15.0 ppb (15) N/A 24.0 ppb (23) N/A 1.0 ppb (2) N/A N/A 10.5 μg/m3 (10) 1.4 μg/m3 (6) 37.0
 
April 9, 2021, 9 a.m. 15.9 ppb (15) 1.6 ppb (2) N/A 14.0 ppb (14) N/A 1.0 ppb (2) N/A N/A 10.4 μg/m3 (10) 0.8 μg/m3 (4) 15.0
 
April 9, 2021, 8 a.m. 23.3 ppb (22) 3.9 ppb (4) N/A 19.0 ppb (18) N/A 1.0 ppb (2) N/A N/A 11.4 μg/m3 (11) 2.1 μg/m3 (9) 22.0
 
April 9, 2021, 7 a.m. 19.8 ppb (19) 0.8 ppb (1) N/A 19.0 ppb (18) N/A 1.0 ppb (2) N/A N/A 10.3 μg/m3 (10) 2.4 μg/m3 (10) 19.0
 
April 9, 2021, 6 a.m. 15.4 ppb (15) 0.3 ppb (1) N/A 15.0 ppb (15) N/A 1.0 ppb (2) N/A N/A 9.0 μg/m3 (9) 2.3 μg/m3 (10) 15.0
 
April 9, 2021, 5 a.m. 7.9 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
April 9, 2021, 4 a.m. 13.2 ppb (13) 1.0 ppb (1) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 8.1 μg/m3 (8) 2.6 μg/m3 (11) 13.0
 
April 9, 2021, 3 a.m. 11.2 ppb (11) 1.0 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 10.6 μg/m3 (10) -0.1 μg/m3 (0) 11.0
 
April 9, 2021, 2 a.m. 18.9 ppb (18) 3.1 ppb (3) N/A 16.0 ppb (16) N/A 1.0 ppb (2) N/A N/A 12.5 μg/m3 (12) 3.5 μg/m3 (15) 18.0
 
April 9, 2021, 1 a.m. 20.8 ppb (20) 4.4 ppb (5) N/A 16.0 ppb (16) N/A 1.0 ppb (2) N/A N/A 15.1 μg/m3 (14) 4.9 μg/m3 (21) 21.0
 
April 9, 2021, midnight 17.7 ppb (17) 4.2 ppb (4) N/A 13.0 ppb (13) N/A 1.0 ppb (2) N/A N/A 11.1 μg/m3 (11) 2.6 μg/m3 (11) 17.0
 
April 8, 2021, 11 p.m. 15.6 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) N/A N/A 11.0 μg/m3 (11) 1.6 μg/m3 (7) 15.0
 
April 8, 2021, 10 p.m. 9.7 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 11.1 μg/m3 (11) 3.3 μg/m3 (14) 14.0
 
April 8, 2021, 9 p.m. 13.1 ppb (13) 3.7 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 10.7 μg/m3 (10) 2.4 μg/m3 (10) 13.0
 
April 8, 2021, 8 p.m. 13.7 ppb (13) 4.9 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 8.5 μg/m3 (8) 1.3 μg/m3 (6) 13.0
 
April 8, 2021, 7 p.m. 15.7 ppb (15) 6.0 ppb (6) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 9.8 μg/m3 (10) 0.9 μg/m3 (4) 15.0
 
April 8, 2021, 6 p.m. 13.7 ppb (13) 5.3 ppb (5) N/A 8.0 ppb (8) N/A N/A N/A N/A 8.5 μg/m3 (8) 2.8 μg/m3 (12) 13.0
 
April 8, 2021, 5 p.m. 14.5 ppb (14) 5.6 ppb (6) N/A 9.0 ppb (9) N/A N/A N/A N/A 8.6 μg/m3 (8) -1.0 μg/m3 (0) 14.0
 
April 8, 2021, 4 p.m. 15.4 ppb (15) 6.7 ppb (7) N/A 9.0 ppb (9) N/A -1.0 ppb (0) N/A N/A 6.4 μg/m3 (6) 0.2 μg/m3 (1) 15.0
 
April 8, 2021, 3 p.m. 12.1 ppb (12) 4.8 ppb (5) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 6.2 μg/m3 (6) -2.1 μg/m3 (0) 12.0
 
April 8, 2021, 2 p.m. 11.4 ppb (11) 4.1 ppb (4) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 5.5 μg/m3 (6) -1.2 μg/m3 (0) 11.0
 
April 8, 2021, 1 p.m. 14.2 ppb (14) 4.9 ppb (5) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 8.8 μg/m3 (9) 1.0 μg/m3 (5) 14.0
 
April 8, 2021, noon 12.9 ppb (13) 3.5 ppb (4) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 13.0
 
April 8, 2021, 11 a.m. 11.5 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 6.5 μg/m3 (7) 1.4 μg/m3 (6) 11.0
 
April 8, 2021, 10 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 2.6 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
April 8, 2021, 9 a.m. 4.8 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 2.4 μg/m3 (3) 0.0 μg/m3 (0) 5.0
 
April 8, 2021, 8 a.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 3.1 μg/m3 (3) -0.2 μg/m3 (0) 4.0
 
April 8, 2021, 7 a.m. 4.4 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 4.2 μg/m3 (4) 1.7 μg/m3 (8) 8.0
 
April 8, 2021, 6 a.m. 4.8 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 3.4 μg/m3 (4) 0.4 μg/m3 (2) 5.0
 
April 8, 2021, 5 a.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 4.0 μg/m3 (4) 1.1 μg/m3 (5) 5.0
 
April 8, 2021, 4 a.m. 4.3 ppb (5) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 3.5 μg/m3 (4) -0.4 μg/m3 (0) 5.0
 
April 8, 2021, 3 a.m. 5.0 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 4.9 μg/m3 (5) 0.1 μg/m3 (1) 5.0
 
April 8, 2021, 2 a.m. 5.8 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 6.3 μg/m3 (6) -0.4 μg/m3 (0) 6.0
 
April 8, 2021, 1 a.m. 4.7 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 6.2 μg/m3 (6) -0.8 μg/m3 (0) 6.0
 
April 8, 2021, midnight 5.8 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 7.2 μg/m3 (7) 2.7 μg/m3 (12) 12.0
 
April 7, 2021, 11 p.m. 7.0 ppb (7) 1.8 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 7.5 μg/m3 (7) -1.8 μg/m3 (0) 7.0
 
April 7, 2021, 10 p.m. 6.8 ppb (7) 2.2 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 10.5 μg/m3 (10) 0.4 μg/m3 (2) 10.0
 
April 7, 2021, 9 p.m. 8.9 ppb (9) 3.9 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 13.3 μg/m3 (13) 3.9 μg/m3 (17) 17.0
 
April 7, 2021, 8 p.m. 10.3 ppb (10) 5.2 ppb (5) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 22.6 μg/m3 (21) 10.6 μg/m3 (45) 45.0
 
April 7, 2021, 7 p.m. 13.0 ppb (13) 4.6 ppb (5) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 20.9 μg/m3 (20) 5.4 μg/m3 (23) 23.0
 
April 7, 2021, 6 p.m. 8.2 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 15.5 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
April 7, 2021, 5 p.m. 6.8 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 13.1 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
April 7, 2021, 4 p.m. 8.0 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 11.5 μg/m3 (11) 3.3 μg/m3 (14) 14.0
 
April 7, 2021, 3 p.m. 8.4 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 15.7 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
April 7, 2021, 2 p.m. 7.7 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 13.9 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
April 7, 2021, 1 p.m. 8.2 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 12.5 μg/m3 (12) 3.9 μg/m3 (17) 17.0
 
April 7, 2021, noon 11.7 ppb (12) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 1.0 ppb (2) N/A N/A 15.2 μg/m3 (15) 0.5 μg/m3 (3) 15.0
 
April 7, 2021, 11 a.m. 6.5 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 14.4 μg/m3 (14) N/A 14.0
 
April 7, 2021, 10 a.m. 5.7 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 14.4 μg/m3 (14) 7.7 μg/m3 (33) 33.0
 
April 7, 2021, 9 a.m. 7.6 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 14.4 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
April 7, 2021, 8 a.m. 3.3 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 19.6 μg/m3 (19) -4.8 μg/m3 (0) 19.0
 
April 7, 2021, 7 a.m. 2.5 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 27.1 μg/m3 (26) 11.0 μg/m3 (46) 46.0
 
April 7, 2021, 6 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 26.0 μg/m3 (25) 7.2 μg/m3 (31) 31.0
 
April 7, 2021, 5 a.m. 2.2 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 27.1 μg/m3 (26) 10.7 μg/m3 (45) 45.0
 
April 7, 2021, 4 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 26.5 μg/m3 (25) 7.7 μg/m3 (33) 33.0
 
April 7, 2021, 3 a.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 25.5 μg/m3 (24) 5.8 μg/m3 (25) 25.0
 
April 7, 2021, 2 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 28.2 μg/m3 (27) 4.8 μg/m3 (20) 27.0
 
April 7, 2021, 1 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 30.6 μg/m3 (29) 6.2 μg/m3 (26) 29.0
 
April 7, 2021, midnight 3.6 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 33.7 μg/m3 (32) 6.7 μg/m3 (28) 32.0
 
April 6, 2021, 11 p.m. 3.5 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 44.0 μg/m3 (41) 12.7 μg/m3 (53) 53.0
 
April 6, 2021, 10 p.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 47.1 μg/m3 (44) 10.5 μg/m3 (44) 44.0
 
April 6, 2021, 9 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 47.2 μg/m3 (44) 7.2 μg/m3 (31) 44.0
 
April 6, 2021, 8 p.m. 4.1 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 44.7 μg/m3 (42) 10.5 μg/m3 (44) 44.0
 
April 6, 2021, 7 p.m. 4.2 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 44.0 μg/m3 (41) 7.3 μg/m3 (31) 41.0
 
April 6, 2021, 6 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 40.3 μg/m3 (38) 8.4 μg/m3 (36) 38.0
 
April 6, 2021, 5 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 37.6 μg/m3 (35) 8.1 μg/m3 (34) 35.0
 
April 6, 2021, 4 p.m. 5.1 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 41.8 μg/m3 (39) 9.6 μg/m3 (40) 40.0
 
April 6, 2021, 3 p.m. 6.1 ppb (6) 1.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 36.0 μg/m3 (34) 9.2 μg/m3 (39) 39.0
 
April 6, 2021, 2 p.m. 5.3 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 34.6 μg/m3 (33) 10.3 μg/m3 (43) 43.0
 
April 6, 2021, 1 p.m. 6.4 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 29.8 μg/m3 (28) 9.4 μg/m3 (40) 40.0
 
April 6, 2021, noon 8.0 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 25.9 μg/m3 (24) 11.2 μg/m3 (47) 47.0
 
April 6, 2021, 11 a.m. 6.3 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 25.9 μg/m3 (24) 8.1 μg/m3 (34) 34.0
 
April 6, 2021, 10 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 22.9 μg/m3 (22) 7.2 μg/m3 (31) 31.0
 
April 6, 2021, 9 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 20.9 μg/m3 (20) 6.5 μg/m3 (28) 28.0
 
April 6, 2021, 8 a.m. 2.1 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 21.0 μg/m3 (20) 4.4 μg/m3 (19) 20.0
 
April 6, 2021, 7 a.m. 2.6 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 22.3 μg/m3 (21) 6.9 μg/m3 (29) 29.0
 
April 6, 2021, 6 a.m. 2.5 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 26.1 μg/m3 (25) 5.2 μg/m3 (22) 25.0
 
April 6, 2021, 5 a.m. 3.0 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 28.3 μg/m3 (27) 4.7 μg/m3 (20) 27.0
 
April 6, 2021, 4 a.m. 3.1 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 28.5 μg/m3 (27) 10.3 μg/m3 (43) 43.0
 
April 6, 2021, 3 a.m. 5.6 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 32.2 μg/m3 (30) 7.7 μg/m3 (33) 33.0
 
April 6, 2021, 2 a.m. 6.6 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 35.7 μg/m3 (34) 8.7 μg/m3 (37) 37.0
 
April 6, 2021, 1 a.m. 5.6 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 36.5 μg/m3 (34) 11.4 μg/m3 (48) 48.0
 
April 6, 2021, midnight 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 30.7 μg/m3 (29) 7.7 μg/m3 (33) 33.0
 
April 5, 2021, 11 p.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 33.9 μg/m3 (32) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 10 p.m. 4.3 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 34.9 μg/m3 (33) 7.1 μg/m3 (30) 33.0
 
April 5, 2021, 9 p.m. 4.2 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 35.5 μg/m3 (33) 4.7 μg/m3 (20) 33.0
 
April 5, 2021, 8 p.m. 4.9 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 34.8 μg/m3 (33) 4.3 μg/m3 (18) 33.0
 
April 5, 2021, 7 p.m. 6.0 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 5.1 μg/m3 (22) 28.0
 
April 5, 2021, 6 p.m. 5.4 ppb (6) 1.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 33.3 μg/m3 (31) 4.1 μg/m3 (18) 31.0
 
April 5, 2021, 5 p.m. 5.1 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 5.7 μg/m3 (24) 29.0
 
April 5, 2021, 4 p.m. 5.9 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 26.8 μg/m3 (25) 5.6 μg/m3 (24) 25.0
 
April 5, 2021, 3 p.m. 6.6 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 7.4 μg/m3 (31) 31.0
 
April 5, 2021, 2 p.m. 7.8 ppb (8) 1.8 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 27.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
April 5, 2021, 1 p.m. 9.0 ppb (9) 1.5 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) N/A N/A 26.9 μg/m3 (25) 6.9 μg/m3 (29) 29.0
 
April 5, 2021, noon 10.6 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (10) N/A 1.0 ppb (2) N/A N/A 25.7 μg/m3 (24) 8.7 μg/m3 (37) 37.0
 
April 5, 2021, 11 a.m. 9.7 ppb (10) 0.7 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) N/A N/A 25.1 μg/m3 (24) 12.7 μg/m3 (53) 53.0
 
April 5, 2021, 10 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 22.6 μg/m3 (21) 7.4 μg/m3 (31) 31.0
 
April 5, 2021, 9 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 23.1 μg/m3 (22) 7.4 μg/m3 (31) 31.0
 
April 5, 2021, 8 a.m. 3.7 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 24.3 μg/m3 (23) 8.7 μg/m3 (37) 37.0
 
April 5, 2021, 7 a.m. 3.4 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 26.3 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
April 5, 2021, 6 a.m. 3.3 ppb (4) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 26.9 μg/m3 (25) 9.4 μg/m3 (40) 40.0
 
April 5, 2021, 5 a.m. 3.7 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 28.9 μg/m3 (27) 7.5 μg/m3 (32) 32.0
 
April 5, 2021, 4 a.m. 4.0 ppb (4) -0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 6.6 μg/m3 (28) 32.0
 
April 5, 2021, 3 a.m. 4.6 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 34.1 μg/m3 (32) 9.5 μg/m3 (40) 40.0
 
April 5, 2021, 2 a.m. 5.3 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 38.7 μg/m3 (36) 7.8 μg/m3 (33) 36.0
 
April 5, 2021, 1 a.m. 4.9 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 36.2 μg/m3 (34) 9.0 μg/m3 (38) 38.0
 
April 5, 2021, midnight 5.0 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 39.5 μg/m3 (37) 8.7 μg/m3 (37) 37.0
 
April 4, 2021, 11 p.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 42.6 μg/m3 (40) 10.4 μg/m3 (44) 44.0
 
April 4, 2021, 10 p.m. 4.0 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 48.4 μg/m3 (45) 9.3 μg/m3 (39) 45.0
 
April 4, 2021, 9 p.m. 3.4 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 45.4 μg/m3 (43) 7.9 μg/m3 (33) 43.0
 
April 4, 2021, 8 p.m. 3.1 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 46.0 μg/m3 (43) 6.3 μg/m3 (27) 43.0
 
April 4, 2021, 7 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 39.0 μg/m3 (37) 11.4 μg/m3 (48) 48.0
 
April 4, 2021, 6 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) N/A N/A 31.9 μg/m3 (30) 8.5 μg/m3 (36) 36.0
 
April 4, 2021, 5 p.m. 4.1 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) N/A N/A 31.5 μg/m3 (30) 9.3 μg/m3 (39) 39.0
 
April 4, 2021, 4 p.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 31.0 μg/m3 (29) 11.1 μg/m3 (47) 47.0
 
April 4, 2021, 3 p.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 33.0 μg/m3 (31) 14.0 μg/m3 (55) 55.0
 
April 4, 2021, 2 p.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) N/A N/A 37.3 μg/m3 (35) 13.6 μg/m3 (55) 55.0
 
April 4, 2021, 1 p.m. 7.6 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) N/A N/A 42.5 μg/m3 (40) 16.2 μg/m3 (60) 60.0
 
April 4, 2021, noon 8.9 ppb (9) 0.4 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 41.1 μg/m3 (39) 18.0 μg/m3 (64) 64.0
 
April 4, 2021, 11 a.m. 7.6 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 1.0 ppb (2) N/A N/A 43.0 μg/m3 (40) 18.8 μg/m3 (66) 66.0
 
April 4, 2021, 10 a.m. 10.5 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (10) N/A 2.0 ppb (3) N/A N/A 49.9 μg/m3 (47) 18.2 μg/m3 (64) 64.0
 
April 4, 2021, 9 a.m. 7.0 ppb (7) 0.0 ppb (0) N/A 7.0 ppb (7) N/A 2.0 ppb (3) N/A N/A 48.9 μg/m3 (46) 20.9 μg/m3 (70) 70.0
 
April 4, 2021, 8 a.m. 8.0 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 2.0 ppb (3) N/A N/A 52.0 μg/m3 (49) 23.3 μg/m3 (75) 75.0
 
April 4, 2021, 7 a.m. 5.7 ppb (6) -0.1 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A 54.1 μg/m3 (51) 21.8 μg/m3 (72) 72.0
 
April 4, 2021, 6 a.m. 6.2 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A 53.8 μg/m3 (50) 18.6 μg/m3 (65) 65.0
 
April 4, 2021, 5 a.m. 7.6 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) N/A N/A 52.3 μg/m3 (49) 20.1 μg/m3 (68) 68.0
 
April 4, 2021, 4 a.m. 7.7 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A 2.0 ppb (3) N/A N/A 55.8 μg/m3 (52) 19.4 μg/m3 (67) 67.0
 
April 4, 2021, 3 a.m. 10.5 ppb (10) 0.0 ppb (0) N/A 11.0 ppb (11) N/A 2.0 ppb (3) N/A N/A 60.1 μg/m3 (54) 23.4 μg/m3 (75) 75.0
 
April 4, 2021, 2 a.m. 14.0 ppb (14) 0.0 ppb (0) N/A 14.0 ppb (14) N/A 2.0 ppb (3) N/A N/A 67.5 μg/m3 (58) 24.1 μg/m3 (77) 77.0
 
April 4, 2021, 1 a.m. 16.8 ppb (16) 0.0 ppb (0) N/A 17.0 ppb (17) N/A 2.0 ppb (3) N/A N/A 74.3 μg/m3 (61) 32.3 μg/m3 (94) 94.0
 
April 4, 2021, midnight 11.3 ppb (11) -0.1 ppb (0) N/A 11.0 ppb (11) N/A 2.0 ppb (3) N/A N/A 89.7 μg/m3 (69) 37.3 μg/m3 (106) 106.0
 
April 3, 2021, 11 p.m. 10.1 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A 2.0 ppb (3) N/A N/A 84.4 μg/m3 (66) 36.8 μg/m3 (105) 105.0
 
April 3, 2021, 10 p.m. 7.9 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) N/A N/A 84.0 μg/m3 (66) 33.0 μg/m3 (95) 95.0
 
April 3, 2021, 9 p.m. 7.6 ppb (8) 0.4 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) N/A N/A 72.3 μg/m3 (60) 30.9 μg/m3 (91) 91.0
 
April 3, 2021, 8 p.m. 7.5 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) N/A N/A 63.0 μg/m3 (55) 23.2 μg/m3 (75) 75.0
 
April 3, 2021, 7 p.m. 6.7 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) N/A N/A 57.3 μg/m3 (53) 18.3 μg/m3 (65) 65.0
 
April 3, 2021, 6 p.m. 6.9 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A 51.6 μg/m3 (48) 17.0 μg/m3 (62) 62.0
 
April 3, 2021, 5 p.m. 6.4 ppb (7) 1.1 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A N/A 48.5 μg/m3 (45) 16.3 μg/m3 (60) 60.0