AQSQID: 261630099

Site Name: Trinity St Marks

Location: Detroit (Carbon Works), MI

Reporting: True, Located: True

Current AQI: 10.0

Detroit (Carbon Works) MI, US: 42.295824, -83.129431

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 28, 2020, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 0.1 μg/m3 (0) 10.0
 
March 28, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 11.3 μg/m3 (47) 47.0
 
March 28, 2020, 2 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 24.7 μg/m3 (77) 77.0
 
March 28, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 6.2 μg/m3 (26) 26.0
 
March 28, 2020, noon N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 0.2 μg/m3 (1) 6.0
 
March 28, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 3.9 μg/m3 (16) 16.0
 
March 28, 2020, 10 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 28, 2020, 9 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
March 28, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
March 28, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
March 28, 2020, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
March 28, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
March 28, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
March 28, 2020, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
March 28, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
March 28, 2020, midnight N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 14.4 μg/m3 (55) 55.0
 
March 27, 2020, 11 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 35.5 μg/m3 (100) 100.0
 
March 27, 2020, 10 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.8 μg/m3 (58) 58.0
 
March 27, 2020, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 17.4 μg/m3 (61) 61.0
 
March 27, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
March 27, 2020, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 14.6 μg/m3 (56) 56.0
 
March 27, 2020, 6 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 16.1 μg/m3 (59) 59.0
 
March 27, 2020, 5 p.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 10.3 μg/m3 (43) 43.0
 
March 27, 2020, 4 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 9.1 μg/m3 (38) 38.0
 
March 27, 2020, 3 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.5 μg/m3 (53) 53.0
 
March 27, 2020, 2 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.5 μg/m3 (53) 53.0
 
March 27, 2020, 1 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 14.1 μg/m3 (54) 54.0
 
March 27, 2020, noon N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A N/A N/A 6.8 μg/m3 (28) 28.0
 
March 27, 2020, 11 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 7.9 μg/m3 (33) 33.0
 
March 27, 2020, 10 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
March 27, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
March 27, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
March 27, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 4.4 μg/m3 (18) 18.0
 
March 27, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (4) 6.0
 
March 27, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
March 27, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
March 27, 2020, 3 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 20.3 μg/m3 (68) 68.0
 
March 27, 2020, 2 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 3.0 μg/m3 (12) 12.0
 
March 27, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
March 27, 2020, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
March 26, 2020, 11 p.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
March 26, 2020, 10 p.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.6 ppb (7) N/A 18.5 μg/m3 (64) 64.0
 
March 26, 2020, 9 p.m. N/A N/A N/A 9.0 ppb (8) N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A 11.0 μg/m3 (46) 46.0
 
March 26, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
March 26, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A 9.4 μg/m3 (39) 39.0
 
March 26, 2020, 6 p.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 9.7 μg/m3 (40) 40.0
 
March 26, 2020, 5 p.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 7.2 μg/m3 (30) 30.0
 
March 26, 2020, 4 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 13.7 μg/m3 (54) 54.0
 
March 26, 2020, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 40.3 μg/m3 (112) 112.0
 
March 26, 2020, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 17.7 μg/m3 (62) 62.0
 
March 26, 2020, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
March 26, 2020, noon N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 16.6 μg/m3 (60) 60.0
 
March 26, 2020, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 22.5 μg/m3 (72) 72.0
 
March 26, 2020, 10 a.m. N/A N/A N/A 22.0 ppb (20) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 24.9 μg/m3 (77) 77.0
 
March 26, 2020, 9 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 20.0 μg/m3 (67) 67.0
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.1 μg/m3 (57) 57.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 20.7 μg/m3 (69) 69.0
 
March 26, 2020, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A 0.0 ppb (0) N/A N/A N/A 20.0 μg/m3 (67) 67.0
 
March 26, 2020, 5 a.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.4 ppb (4) N/A 14.9 μg/m3 (56) 56.0
 
March 26, 2020, 4 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
March 26, 2020, 3 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.8 μg/m3 (54) 54.0
 
March 26, 2020, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 37.6 μg/m3 (105) 105.0
 
March 26, 2020, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 26.4 μg/m3 (81) 81.0
 
March 26, 2020, midnight N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 18.7 μg/m3 (64) 64.0
 
March 25, 2020, 11 p.m. N/A N/A N/A 23.0 ppb (21) N/A 5.0 ppb (7) N/A 0.4 ppb (4) N/A 22.4 μg/m3 (72) 72.0
 
March 25, 2020, 10 p.m. N/A N/A N/A 23.0 ppb (21) N/A 3.0 ppb (4) N/A 0.5 ppb (6) N/A 22.3 μg/m3 (72) 72.0
 
March 25, 2020, 9 p.m. N/A N/A N/A 15.0 ppb (14) N/A 6.0 ppb (9) N/A 0.4 ppb (4) N/A 17.7 μg/m3 (62) 62.0
 
March 25, 2020, 8 p.m. N/A N/A N/A 19.0 ppb (18) N/A 6.0 ppb (9) N/A 0.4 ppb (4) N/A 14.5 μg/m3 (55) 55.0
 
March 25, 2020, 7 p.m. N/A N/A N/A 15.0 ppb (14) N/A 3.0 ppb (4) N/A 0.5 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
March 25, 2020, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A 4.0 ppb (6) N/A 0.5 ppb (6) N/A 16.4 μg/m3 (59) 59.0
 
March 25, 2020, 5 p.m. N/A N/A N/A 16.0 ppb (15) N/A 5.0 ppb (7) N/A 0.4 ppb (4) N/A 17.3 μg/m3 (61) 61.0
 
March 25, 2020, 4 p.m. N/A N/A N/A 17.0 ppb (16) N/A 5.0 ppb (7) N/A 0.4 ppb (4) N/A 20.6 μg/m3 (68) 68.0
 
March 25, 2020, 3 p.m. N/A N/A N/A 20.0 ppb (19) N/A 4.0 ppb (6) N/A 0.5 ppb (6) N/A 21.6 μg/m3 (70) 70.0
 
March 25, 2020, 2 p.m. N/A N/A N/A 20.0 ppb (19) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 17.6 μg/m3 (62) 62.0
 
March 25, 2020, 1 p.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 24.2 μg/m3 (76) 76.0
 
March 25, 2020, noon N/A N/A N/A 31.0 ppb (29) N/A 0.0 ppb (0) N/A 0.6 ppb (7) N/A 22.4 μg/m3 (72) 72.0
 
March 25, 2020, 11 a.m. N/A N/A N/A 32.0 ppb (30) N/A 0.0 ppb (0) N/A 0.6 ppb (7) N/A 16.0 μg/m3 (59) 59.0
 
March 25, 2020, 10 a.m. N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 13.5 μg/m3 (53) 53.0
 
March 25, 2020, 9 a.m. N/A N/A N/A 27.0 ppb (25) N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 13.6 μg/m3 (53) 53.0
 
March 25, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 11.9 μg/m3 (50) 50.0
 
March 25, 2020, 7 a.m. N/A N/A N/A 19.0 ppb (18) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 8.5 μg/m3 (35) 35.0
 
March 25, 2020, 6 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 2.2 μg/m3 (9) 16.0
 
March 25, 2020, 5 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 1.5 μg/m3 (6) 13.0
 
March 25, 2020, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
March 25, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.3 μg/m3 (26) 26.0
 
March 25, 2020, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
March 25, 2020, 1 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 7.9 μg/m3 (33) 33.0
 
March 25, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
March 24, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 9.2 μg/m3 (38) 38.0
 
March 24, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 2.7 μg/m3 (11) 11.0
 
March 24, 2020, 9 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 1.4 μg/m3 (6) 11.0
 
March 24, 2020, 8 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A 0.4 ppb (4) N/A 8.8 μg/m3 (37) 37.0
 
March 24, 2020, 7 p.m. N/A N/A N/A 11.0 ppb (10) N/A 2.0 ppb (3) N/A 0.4 ppb (4) N/A 23.2 μg/m3 (74) 74.0
 
March 24, 2020, 6 p.m. N/A N/A N/A 12.0 ppb (11) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 22.7 μg/m3 (73) 73.0
 
March 24, 2020, 5 p.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 13.6 μg/m3 (53) 53.0
 
March 24, 2020, 4 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 14.8 μg/m3 (56) 56.0
 
March 24, 2020, 3 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 15.1 μg/m3 (57) 57.0
 
March 24, 2020, 2 p.m. N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
March 24, 2020, 1 p.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
March 24, 2020, noon N/A N/A N/A 16.0 ppb (15) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 13.5 μg/m3 (53) 53.0
 
March 24, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 14.5 μg/m3 (55) 55.0
 
March 24, 2020, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 14.1 μg/m3 (54) 54.0
 
March 24, 2020, 9 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 13.4 μg/m3 (53) 53.0
 
March 24, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 13.1 μg/m3 (52) 52.0
 
March 24, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
March 24, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.1 μg/m3 (25) 25.0
 
March 24, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 8.2 μg/m3 (34) 34.0
 
March 24, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 10.6 μg/m3 (44) 44.0
 
March 24, 2020, 3 a.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 11.3 μg/m3 (47) 47.0
 
March 24, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 11.2 μg/m3 (47) 47.0
 
March 24, 2020, 1 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 8.4 μg/m3 (35) 35.0
 
March 24, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
March 23, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
March 23, 2020, 10 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.8 μg/m3 (58) 58.0
 
March 23, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 27.5 μg/m3 (83) 83.0
 
March 23, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 19.7 μg/m3 (66) 66.0
 
March 23, 2020, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 10.9 μg/m3 (45) 45.0
 
March 23, 2020, 6 p.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 15.5 μg/m3 (57) 57.0
 
March 23, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
March 23, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.5 ppb (6) N/A 16.5 μg/m3 (60) 60.0
 
March 23, 2020, 3 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.5 ppb (6) N/A 14.0 μg/m3 (54) 54.0
 
March 23, 2020, 2 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.4 ppb (4) N/A 7.6 μg/m3 (32) 32.0
 
March 23, 2020, 1 p.m. N/A N/A N/A 19.0 ppb (18) N/A 1.0 ppb (1) N/A 0.5 ppb (6) N/A 7.3 μg/m3 (30) 30.0
 
March 23, 2020, noon N/A N/A N/A 16.0 ppb (15) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 8.4 μg/m3 (35) 35.0
 
March 23, 2020, 11 a.m. N/A N/A N/A 13.0 ppb (12) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 7.3 μg/m3 (30) 30.0
 
March 23, 2020, 10 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
March 23, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
March 23, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
March 23, 2020, 7 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
March 23, 2020, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 4.6 μg/m3 (19) 19.0
 
March 23, 2020, 5 a.m. N/A N/A N/A 17.0 ppb (16) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
March 23, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 3.5 μg/m3 (15) 15.0
 
March 23, 2020, 3 a.m. N/A N/A N/A 6.0 ppb (6) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
March 23, 2020, 2 a.m. N/A N/A N/A 5.0 ppb (5) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
March 23, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A 4.2 μg/m3 (18) 18.0
 
March 23, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
March 22, 2020, 11 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 4.9 μg/m3 (20) 20.0
 
March 22, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 5.1 μg/m3 (21) 21.0
 
March 22, 2020, 9 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
March 22, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A -2.5 μg/m3 (0) 4.0
 
March 22, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A N/A 4.0
 
March 22, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A -4.3 μg/m3 (0) 4.0
 
March 22, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A N/A 4.0
 
March 22, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A N/A 5.0
 
March 22, 2020, 3 p.m. N/A N/A N/A 5.0 ppb (5) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A N/A 5.0
 
March 22, 2020, 2 p.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 85.5 μg/m3 (166) 166.0
 
March 22, 2020, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A 1.0 ppb (1) N/A 0.4 ppb (4) N/A N/A 19.0
 
March 22, 2020, noon N/A N/A N/A 29.0 ppb (27) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 23.7 μg/m3 (75) 75.0
 
March 22, 2020, 11 a.m. N/A N/A N/A 28.0 ppb (26) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
March 22, 2020, 10 a.m. N/A N/A N/A 23.0 ppb (21) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
March 22, 2020, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
March 22, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
March 22, 2020, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A 0.0 ppb (0) N/A 0.4 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
March 22, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 8.9 μg/m3 (37) 37.0
 
March 22, 2020, 5 a.m. N/A N/A N/A 11.0 ppb (10) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.5 μg/m3 (27) 27.0
 
March 22, 2020, 4 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
March 22, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A 0.0 ppb (0) N/A 0.3 ppb (3) N/A 8.5 μg/m3 (35) 35.0
 
March 22, 2020, 2 a.m. N/A N/A N/A 10.0 ppb (9) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
March 22, 2020, 1 a.m. N/A N/A N/A 8.0 ppb (7) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
March 22, 2020, midnight N/A N/A N/A 6.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
March 21, 2020, 11 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
March 21, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
March 21, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
March 21, 2020, 8 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 3.5 μg/m3 (15) 15.0
 
March 21, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 1.7 μg/m3 (7) 7.0
 
March 21, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.3 ppb (3) N/A 3.7 μg/m3 (15) 15.0
 
March 21, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A 1.0 ppb (1) N/A 0.2 ppb (2) N/A 5.0 μg/m3 (21) 21.0