AQSQID: 290950034

Site Name: Troost

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

Reporting: True, Located: True

Current AQI: 24.0

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 9, 2020, 2 p.m. 25.8 ppb (24) 10.1 ppb (9) N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A N/A N/A 3.9 μg/m3 (16) 24.0
 
April 9, 2020, 1 p.m. 33.0 ppb (31) 12.8 ppb (12) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 5.1 μg/m3 (21) 31.0
 
April 9, 2020, noon 38.9 ppb (36) 12.8 ppb (12) N/A 26.0 ppb (24) N/A 1.0 ppb (1) N/A N/A N/A 4.6 μg/m3 (19) 36.0
 
April 9, 2020, 11 a.m. 35.9 ppb (33) 9.5 ppb (9) N/A 26.0 ppb (24) N/A 1.0 ppb (1) N/A N/A N/A 5.3 μg/m3 (22) 33.0
 
April 9, 2020, 10 a.m. 27.3 ppb (25) 3.6 ppb (3) N/A 24.0 ppb (22) N/A 1.0 ppb (1) N/A N/A N/A 5.2 μg/m3 (22) 25.0
 
April 9, 2020, 9 a.m. 23.7 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A 2.0 ppb (3) N/A N/A N/A 1.6 μg/m3 (7) 22.0
 
April 9, 2020, 8 a.m. 13.9 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A 2.0 ppb (3) N/A N/A N/A 5.9 μg/m3 (25) 25.0
 
April 9, 2020, 7 a.m. 4.8 ppb (4) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
April 9, 2020, 6 a.m. 6.2 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
April 9, 2020, 5 a.m. 6.7 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
April 9, 2020, 4 a.m. 6.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 5.0 ppb (7) N/A N/A N/A 5.8 μg/m3 (24) 24.0
 
April 9, 2020, 3 a.m. 6.5 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 3.0 ppb (4) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
April 9, 2020, 2 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
April 9, 2020, 1 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
April 9, 2020, midnight 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.7 μg/m3 (20) 20.0
 
April 8, 2020, 11 p.m. 4.7 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
April 8, 2020, 10 p.m. 6.3 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
April 8, 2020, 9 p.m. 11.2 ppb (10) 3.1 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
April 8, 2020, 8 p.m. 19.7 ppb (18) 6.6 ppb (6) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
April 8, 2020, 7 p.m. 14.1 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 8, 2020, 6 p.m. 11.9 ppb (11) 1.8 ppb (2) N/A 10.0 ppb (9) N/A 2.0 ppb (3) N/A N/A N/A 22.3 μg/m3 (72) 72.0
 
April 8, 2020, 5 p.m. 18.7 ppb (17) 3.2 ppb (3) N/A 15.0 ppb (14) N/A 2.0 ppb (3) N/A N/A N/A 36.0 μg/m3 (101) 101.0
 
April 8, 2020, 4 p.m. 34.5 ppb (32) 8.7 ppb (8) N/A 26.0 ppb (24) N/A 2.0 ppb (3) N/A N/A N/A 53.5 μg/m3 (145) 145.0
 
April 8, 2020, 3 p.m. 49.5 ppb (46) 13.4 ppb (12) N/A 36.0 ppb (33) N/A 2.0 ppb (3) N/A N/A N/A 76.1 μg/m3 (161) 161.0
 
April 8, 2020, 2 p.m. 62.5 ppb (59) 22.3 ppb (21) N/A 40.0 ppb (37) N/A 2.0 ppb (3) N/A N/A N/A 81.3 μg/m3 (164) 164.0
 
April 8, 2020, 1 p.m. 77.1 ppb (75) 45.1 ppb (42) N/A 32.0 ppb (30) N/A 1.0 ppb (1) N/A N/A N/A 46.4 μg/m3 (127) 127.0
 
April 8, 2020, noon 96.1 ppb (95) 56.3 ppb (52) N/A 40.0 ppb (37) N/A 1.0 ppb (1) N/A N/A N/A 45.0 μg/m3 (124) 124.0
 
April 8, 2020, 11 a.m. 170.6 ppb (113) 127.2 ppb (105) N/A 43.0 ppb (40) N/A 2.0 ppb (3) N/A N/A N/A 59.4 μg/m3 (152) 152.0
 
April 8, 2020, 10 a.m. 30.7 ppb (28) 3.4 ppb (3) N/A 27.0 ppb (25) N/A 1.0 ppb (1) N/A N/A N/A 48.6 μg/m3 (133) 133.0
 
April 8, 2020, 9 a.m. 19.1 ppb (18) 1.1 ppb (1) N/A 18.0 ppb (17) N/A 1.0 ppb (1) N/A N/A N/A 33.7 μg/m3 (96) 96.0
 
April 8, 2020, 8 a.m. 31.2 ppb (29) 1.3 ppb (1) N/A 30.0 ppb (28) N/A 1.0 ppb (1) N/A N/A N/A 40.2 μg/m3 (112) 112.0
 
April 8, 2020, 7 a.m. 43.1 ppb (40) 2.2 ppb (2) N/A 41.0 ppb (38) N/A 1.0 ppb (1) N/A N/A N/A 36.4 μg/m3 (102) 102.0
 
April 8, 2020, 6 a.m. 26.6 ppb (25) 0.6 ppb (1) N/A 26.0 ppb (24) N/A 1.0 ppb (1) N/A N/A N/A 34.5 μg/m3 (98) 98.0
 
April 8, 2020, 5 a.m. 9.2 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 42.4 μg/m3 (117) 117.0
 
April 8, 2020, 4 a.m. 10.4 ppb (10) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 45.6 μg/m3 (125) 125.0
 
April 8, 2020, 3 a.m. 12.9 ppb (12) 0.0 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 43.8 μg/m3 (121) 121.0
 
April 8, 2020, 2 a.m. 12.1 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 28.9 μg/m3 (86) 86.0
 
April 8, 2020, 1 a.m. 12.1 ppb (11) 0.0 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 20.7 μg/m3 (69) 69.0
 
April 8, 2020, midnight 11.0 ppb (10) 0.3 ppb (0) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 13.1 μg/m3 (52) 52.0
 
April 7, 2020, 11 p.m. 10.9 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 8.2 μg/m3 (34) 34.0
 
April 7, 2020, 10 p.m. 8.0 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.5 μg/m3 (27) 27.0
 
April 7, 2020, 9 p.m. 9.3 ppb (9) 2.4 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
April 7, 2020, 8 p.m. 8.8 ppb (8) 2.3 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.9 μg/m3 (33) 33.0
 
April 7, 2020, 7 p.m. 9.6 ppb (9) 2.7 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.3 μg/m3 (30) 30.0
 
April 7, 2020, 6 p.m. 9.9 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
April 7, 2020, 5 p.m. 8.9 ppb (8) 2.9 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 10.1 μg/m3 (42) 42.0
 
April 7, 2020, 4 p.m. 9.6 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 11.2 μg/m3 (47) 47.0
 
April 7, 2020, 3 p.m. 12.7 ppb (12) 4.7 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 8.9 μg/m3 (37) 37.0
 
April 7, 2020, 2 p.m. 9.5 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
April 7, 2020, 1 p.m. 10.6 ppb (10) 2.5 ppb (2) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 10.0
 
April 7, 2020, noon 10.4 ppb (10) 1.5 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 0.0 μg/m3 (0) 10.0
 
April 7, 2020, 11 a.m. 8.0 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 10 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 9 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 8 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 7 a.m. 3.9 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 6 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 5 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 4 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 3 a.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 2 a.m. 5.0 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, 1 a.m. 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 7, 2020, midnight 7.2 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 11 p.m. 6.2 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 10 p.m. 6.5 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 9 p.m. 6.3 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 8 p.m. 9.1 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 7 p.m. 7.2 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 6 p.m. 7.5 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 5 p.m. 8.6 ppb (8) 1.3 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 4 p.m. 10.1 ppb (9) 1.6 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 3 p.m. 11.1 ppb (10) 1.8 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 2 p.m. 9.9 ppb (9) 1.3 ppb (1) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 1 p.m. 11.7 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, noon 16.3 ppb (15) 3.5 ppb (3) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 11 a.m. 9.3 ppb (9) 1.3 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 6, 2020, 10 a.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
April 6, 2020, 9 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
April 6, 2020, 8 a.m. 5.7 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A -0.1 μg/m3 (0) 5.0
 
April 6, 2020, 7 a.m. 5.9 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
April 6, 2020, 6 a.m. 6.5 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 1.7 μg/m3 (7) 7.0
 
April 6, 2020, 5 a.m. 6.6 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
April 6, 2020, 4 a.m. 6.6 ppb (6) 0.3 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
April 6, 2020, 3 a.m. 8.0 ppb (7) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 5.7 μg/m3 (24) 24.0
 
April 6, 2020, 2 a.m. 5.4 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
April 6, 2020, 1 a.m. 5.5 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
April 6, 2020, midnight 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 5, 2020, 11 p.m. 3.8 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.0 μg/m3 (25) 25.0
 
April 5, 2020, 10 p.m. 2.7 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 5, 2020, 9 p.m. 2.8 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 5, 2020, 8 p.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 5, 2020, 7 p.m. 2.8 ppb (3) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 8.4 μg/m3 (35) 35.0
 
April 5, 2020, 6 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.1 μg/m3 (21) 21.0
 
April 5, 2020, 5 p.m. 3.6 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
April 5, 2020, 4 p.m. 3.7 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
April 5, 2020, 3 p.m. 4.7 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 5, 2020, 2 p.m. 8.2 ppb (8) 2.5 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
April 5, 2020, 1 p.m. 21.0 ppb (19) 6.5 ppb (6) N/A 15.0 ppb (14) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
April 5, 2020, noon 27.8 ppb (26) 7.3 ppb (7) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
April 5, 2020, 11 a.m. 24.3 ppb (23) 2.6 ppb (2) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A 8.8 μg/m3 (37) 37.0
 
April 5, 2020, 10 a.m. 13.5 ppb (12) 0.5 ppb (0) N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A N/A N/A 12.0 μg/m3 (50) 50.0
 
April 5, 2020, 9 a.m. 30.9 ppb (29) 8.4 ppb (8) N/A 22.0 ppb (20) N/A 1.0 ppb (1) N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
April 5, 2020, 8 a.m. 9.8 ppb (9) 0.1 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A N/A N/A 5.6 μg/m3 (23) 23.0
 
April 5, 2020, 7 a.m. 23.9 ppb (22) 3.6 ppb (3) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 8.7 μg/m3 (36) 36.0
 
April 5, 2020, 6 a.m. 23.0 ppb (21) 2.5 ppb (2) N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A N/A N/A 9.3 μg/m3 (39) 39.0
 
April 5, 2020, 5 a.m. 12.7 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
April 5, 2020, 4 a.m. 12.0 ppb (11) 0.4 ppb (0) N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 5, 2020, 3 a.m. 8.6 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 7.4 μg/m3 (31) 31.0
 
April 5, 2020, 2 a.m. 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
April 5, 2020, 1 a.m. 6.0 ppb (6) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 5, 2020, midnight 5.3 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
April 4, 2020, 11 p.m. 4.0 ppb (4) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
April 4, 2020, 10 p.m. 3.3 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.3 μg/m3 (10) 10.0
 
April 4, 2020, 9 p.m. 3.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
April 4, 2020, 8 p.m. 4.5 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
April 4, 2020, 7 p.m. 4.3 ppb (4) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.5 μg/m3 (10) 10.0
 
April 4, 2020, 6 p.m. 5.3 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.2 μg/m3 (9) 9.0
 
April 4, 2020, 5 p.m. 5.3 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 2.0 μg/m3 (8) 8.0
 
April 4, 2020, 4 p.m. 8.3 ppb (8) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 2.4 μg/m3 (10) 10.0
 
April 4, 2020, 3 p.m. 6.8 ppb (6) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
April 4, 2020, 2 p.m. 5.6 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 3.9 μg/m3 (16) 16.0
 
April 4, 2020, 1 p.m. 5.9 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 4, 2020, noon 5.1 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 1.6 μg/m3 (7) 7.0
 
April 4, 2020, 11 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 4, 2020, 10 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
April 4, 2020, 9 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.2 μg/m3 (26) 26.0
 
April 4, 2020, 8 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 8.6 μg/m3 (36) 36.0
 
April 4, 2020, 7 a.m. 5.8 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 0.9 μg/m3 (4) 5.0
 
April 4, 2020, 6 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.1 μg/m3 (25) 25.0
 
April 4, 2020, 5 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 4, 2020, 4 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.2 μg/m3 (1) 4.0
 
April 4, 2020, 3 a.m. 4.9 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 6.7 μg/m3 (28) 28.0
 
April 4, 2020, 2 a.m. 6.7 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
April 4, 2020, 1 a.m. 8.4 ppb (8) 1.9 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
April 4, 2020, midnight 8.8 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
April 3, 2020, 11 p.m. 9.0 ppb (8) 2.5 ppb (2) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
April 3, 2020, 10 p.m. 12.0 ppb (11) 4.2 ppb (4) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
April 3, 2020, 9 p.m. 10.7 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 8 p.m. 12.5 ppb (12) 5.3 ppb (5) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 12.0
 
April 3, 2020, 7 p.m. 14.3 ppb (13) 6.6 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 2.9 μg/m3 (12) 13.0
 
April 3, 2020, 6 p.m. 13.8 ppb (13) 6.3 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 1.2 μg/m3 (5) 13.0
 
April 3, 2020, 5 p.m. 17.8 ppb (16) 8.5 ppb (8) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 2.6 μg/m3 (11) 16.0
 
April 3, 2020, 4 p.m. 17.1 ppb (16) 7.9 ppb (7) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 1.3 μg/m3 (5) 16.0
 
April 3, 2020, 3 p.m. 14.1 ppb (13) 6.5 ppb (6) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 3.6 μg/m3 (15) 15.0
 
April 3, 2020, 2 p.m. 16.9 ppb (16) 8.8 ppb (8) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 1.0 μg/m3 (4) 16.0
 
April 3, 2020, 1 p.m. 13.2 ppb (12) 6.4 ppb (6) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 5.4 μg/m3 (23) 23.0
 
April 3, 2020, noon 10.9 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.6 μg/m3 (19) 19.0
 
April 3, 2020, 11 a.m. 10.1 ppb (9) 4.6 ppb (4) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.3 μg/m3 (26) 26.0
 
April 3, 2020, 10 a.m. 7.7 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 3, 2020, 9 a.m. 6.7 ppb (6) 2.4 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 0.9 μg/m3 (4) 6.0
 
April 3, 2020, 8 a.m. 9.0 ppb (8) 4.1 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.2 μg/m3 (13) 13.0
 
April 3, 2020, 7 a.m. 7.6 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0
 
April 3, 2020, 6 a.m. 5.4 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 5 a.m. 10.5 ppb (10) 2.7 ppb (3) N/A 8.0 ppb (7) N/A 2.0 ppb (3) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 3, 2020, 4 a.m. 16.2 ppb (15) 5.0 ppb (5) N/A 11.0 ppb (10) N/A 3.0 ppb (4) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 3, 2020, 3 a.m. 8.0 ppb (7) 0.2 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 3, 2020, 2 a.m. 8.6 ppb (8) 0.0 ppb (0) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 1 a.m. 5.7 ppb (5) 0.1 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
April 3, 2020, midnight 7.5 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 2, 2020, 11 p.m. 8.7 ppb (8) 0.4 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 6.4 μg/m3 (27) 27.0
 
April 2, 2020, 10 p.m. 9.2 ppb (9) 0.7 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
April 2, 2020, 9 p.m. 6.2 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A N/A N/A 6.9 μg/m3 (29) 29.0
 
April 2, 2020, 8 p.m. 5.2 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 3.8 μg/m3 (16) 16.0
 
April 2, 2020, 7 p.m. 6.2 ppb (6) 1.2 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
April 2, 2020, 6 p.m. 7.0 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
April 2, 2020, 5 p.m. 11.8 ppb (11) 2.4 ppb (2) N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A N/A N/A 7.8 μg/m3 (32) 32.0
 
April 2, 2020, 4 p.m. 12.2 ppb (11) 1.3 ppb (1) N/A 11.0 ppb (10) N/A 1.0 ppb (1) N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
April 2, 2020, 3 p.m. 8.5 ppb (8) 0.8 ppb (1) N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A N/A N/A 7.7 μg/m3 (32) 32.0