AQSQID: 261630001

Site Name: Allen Park

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 44.0

Allen Park (Goddard Rd) MI, US: 42.2283, -83.2092

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 4, 2020, 10 p.m. N/A N/A 13.4 ppb (12) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 10.5 μg/m3 (44) 44.0
 
April 4, 2020, 9 p.m. N/A N/A 9.6 ppb (9) N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
April 4, 2020, 8 p.m. N/A N/A 7.7 ppb (7) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 29.0
 
April 4, 2020, 7 p.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 30.0
 
April 4, 2020, 6 p.m. N/A N/A 4.8 ppb (4) N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 29.0
 
April 4, 2020, 5 p.m. N/A N/A 6.3 ppb (6) N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 27.0
 
April 4, 2020, 4 p.m. N/A N/A 6.8 ppb (6) N/A N/A 2.0 ppb (3) 32.0 ppb (25) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 25.0
 
April 4, 2020, 3 p.m. N/A N/A 11.4 ppb (11) N/A N/A 2.0 ppb (3) 25.0 ppb (19) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 19.0
 
April 4, 2020, 2 p.m. N/A N/A 15.4 ppb (14) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 4.9 μg/m3 (20) 20.0
 
April 4, 2020, 1 p.m. N/A N/A 29.5 ppb (27) N/A N/A 2.0 ppb (3) 15.0 ppb (12) 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
April 4, 2020, noon N/A N/A 62.6 ppb (59) N/A N/A 1.0 ppb (1) 5.0 ppb (4) 0.0 ppb (0) N/A 11.9 μg/m3 (50) 59.0
 
April 4, 2020, 11 a.m. N/A N/A 64.9 ppb (62) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) N/A 13.9 μg/m3 (54) 62.0
 
April 4, 2020, 10 a.m. N/A N/A 56.5 ppb (53) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.0 ppb (0) N/A 13.6 μg/m3 (53) 53.0
 
April 4, 2020, 9 a.m. N/A N/A 55.9 ppb (52) N/A N/A -1.0 ppb (0) N/A 0.0 ppb (0) N/A 11.9 μg/m3 (50) 52.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A -1.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) N/A 9.5 μg/m3 (40) 40.0
 
April 4, 2020, 7 a.m. N/A N/A 23.3 ppb (22) N/A N/A N/A 4.0 ppb (3) N/A N/A 10.8 μg/m3 (45) 45.0
 
April 4, 2020, 6 a.m. N/A N/A 20.2 ppb (19) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.0 ppb (0) N/A 13.9 μg/m3 (54) 54.0
 
April 4, 2020, 5 a.m. N/A N/A 23.4 ppb (22) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.0 ppb (0) N/A 16.4 μg/m3 (59) 59.0
 
April 4, 2020, 4 a.m. N/A N/A 24.0 ppb (22) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.0 ppb (0) N/A 12.8 μg/m3 (52) 52.0
 
April 4, 2020, 3 a.m. N/A N/A 16.2 ppb (15) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.0 ppb (0) N/A 12.0 μg/m3 (50) 50.0
 
April 4, 2020, 2 a.m. N/A N/A 4.4 ppb (4) N/A N/A -1.0 ppb (0) 30.0 ppb (23) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 23.0
 
April 4, 2020, 1 a.m. N/A N/A 3.3 ppb (3) N/A N/A -1.0 ppb (0) 31.0 ppb (24) 0.0 ppb (0) N/A 5.1 μg/m3 (21) 24.0
 
April 4, 2020, midnight N/A N/A 4.4 ppb (4) N/A N/A 0.0 ppb (0) 33.0 ppb (25) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
April 3, 2020, 11 p.m. N/A N/A 3.5 ppb (3) N/A N/A -1.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 30.0
 
April 3, 2020, 10 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 32.0
 
April 3, 2020, 9 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A 7.3 μg/m3 (30) 33.0
 
April 3, 2020, 8 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 33.0
 
April 3, 2020, 7 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 34.0
 
April 3, 2020, 6 p.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (34) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 34.0
 
April 3, 2020, 5 p.m. N/A N/A 5.9 ppb (5) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 32.0
 
April 3, 2020, 4 p.m. N/A N/A 13.9 ppb (13) N/A N/A N/A 36.0 ppb (28) N/A N/A 3.4 μg/m3 (14) 28.0
 
April 3, 2020, 3 p.m. N/A N/A 16.2 ppb (15) N/A N/A N/A 33.0 ppb (25) N/A N/A 4.6 μg/m3 (19) 25.0
 
April 3, 2020, 2 p.m. N/A N/A 30.1 ppb (28) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 6.1 μg/m3 (25) 28.0
 
April 3, 2020, 1 p.m. N/A N/A 51.3 ppb (48) N/A N/A 2.0 ppb (3) N/A 0.0 ppb (0) N/A 10.4 μg/m3 (43) 48.0
 
April 3, 2020, noon N/A N/A 66.4 ppb (63) N/A N/A 2.0 ppb (3) N/A 0.0 ppb (0) N/A 14.7 μg/m3 (56) 63.0
 
April 3, 2020, 11 a.m. N/A N/A 121.9 ppb (104) N/A N/A 2.0 ppb (3) N/A 0.0 ppb (0) N/A 20.5 μg/m3 (68) 104.0
 
April 3, 2020, 10 a.m. N/A N/A 103.1 ppb (100) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 24.1 μg/m3 (76) 100.0
 
April 3, 2020, 9 a.m. N/A N/A 92.8 ppb (91) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 24.5 μg/m3 (77) 91.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 24.0 μg/m3 (76) 76.0
 
April 3, 2020, 7 a.m. N/A N/A 68.5 ppb (65) N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (73) 73.0
 
April 3, 2020, 6 a.m. N/A N/A 46.1 ppb (43) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 21.8 μg/m3 (71) 71.0
 
April 3, 2020, 5 a.m. N/A N/A 37.9 ppb (35) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 19.2 μg/m3 (65) 65.0
 
April 3, 2020, 4 a.m. N/A N/A 26.0 ppb (24) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 17.8 μg/m3 (62) 62.0
 
April 3, 2020, 3 a.m. N/A N/A 34.6 ppb (32) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 15.6 μg/m3 (58) 58.0
 
April 3, 2020, 2 a.m. N/A N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 14.8 μg/m3 (56) 56.0
 
April 3, 2020, 1 a.m. N/A N/A 8.5 ppb (8) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 16.5 μg/m3 (60) 60.0
 
April 3, 2020, midnight N/A N/A 12.5 ppb (12) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 13.7 μg/m3 (54) 54.0
 
April 2, 2020, 11 p.m. N/A N/A 5.7 ppb (5) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 9.3 μg/m3 (39) 39.0
 
April 2, 2020, 10 p.m. N/A N/A 4.7 ppb (4) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
April 2, 2020, 9 p.m. N/A N/A 4.2 ppb (4) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
April 2, 2020, 8 p.m. N/A N/A 4.4 ppb (4) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
April 2, 2020, 7 p.m. N/A N/A 4.5 ppb (4) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 4.0
 
April 2, 2020, 6 p.m. N/A N/A 4.3 ppb (4) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 4.0
 
April 2, 2020, 5 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 5.0
 
April 2, 2020, 4 p.m. N/A N/A 6.2 ppb (6) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A N/A 6.0
 
April 2, 2020, 3 p.m. N/A N/A 6.8 ppb (6) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
April 2, 2020, 2 p.m. N/A N/A 8.5 ppb (8) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
April 2, 2020, 1 p.m. N/A N/A 14.8 ppb (14) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A N/A 18.0
 
April 2, 2020, noon N/A N/A 24.2 ppb (22) N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.0 ppb (0) N/A N/A 22.0
 
April 2, 2020, 11 a.m. N/A N/A 38.4 ppb (36) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 11.0 μg/m3 (46) 46.0
 
April 2, 2020, 10 a.m. N/A N/A 31.1 ppb (29) N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.0 ppb (0) N/A 10.1 μg/m3 (42) 42.0
 
April 2, 2020, 9 a.m. N/A N/A 16.6 ppb (15) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
April 2, 2020, 7 a.m. N/A N/A 15.6 ppb (14) N/A N/A N/A 15.0 ppb (12) N/A N/A 8.3 μg/m3 (35) 35.0
 
April 2, 2020, 6 a.m. N/A N/A 14.9 ppb (14) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 8.9 μg/m3 (37) 37.0
 
April 2, 2020, 5 a.m. N/A N/A 15.2 ppb (14) N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
April 2, 2020, 4 a.m. N/A N/A 20.0 ppb (19) N/A N/A 1.0 ppb (1) 10.0 ppb (8) 0.0 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
April 2, 2020, 3 a.m. N/A N/A 21.7 ppb (20) N/A N/A 1.0 ppb (1) 8.0 ppb (6) 0.0 ppb (0) N/A 10.4 μg/m3 (43) 43.0
 
April 2, 2020, 2 a.m. N/A N/A 19.0 ppb (18) N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.0 ppb (0) N/A 10.7 μg/m3 (45) 45.0
 
April 2, 2020, 1 a.m. N/A N/A 12.0 ppb (11) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 9.7 μg/m3 (40) 40.0
 
April 2, 2020, midnight N/A N/A 13.5 ppb (12) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
April 1, 2020, 11 p.m. N/A N/A 9.9 ppb (9) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 22.0
 
April 1, 2020, 10 p.m. N/A N/A 8.6 ppb (8) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 22.0
 
April 1, 2020, 9 p.m. N/A N/A 8.6 ppb (8) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 22.0
 
April 1, 2020, 8 p.m. N/A N/A 10.5 ppb (10) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 21.0
 
April 1, 2020, 7 p.m. N/A N/A 12.3 ppb (11) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
April 1, 2020, 6 p.m. N/A N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 19.0
 
April 1, 2020, 5 p.m. N/A N/A 9.6 ppb (9) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 17.0
 
April 1, 2020, 4 p.m. N/A N/A 9.0 ppb (8) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 18.0
 
April 1, 2020, 3 p.m. N/A N/A 13.7 ppb (13) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
April 1, 2020, 2 p.m. N/A N/A 14.2 ppb (13) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
April 1, 2020, 1 p.m. N/A N/A 19.4 ppb (18) N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.0 ppb (0) N/A 7.2 μg/m3 (30) 30.0
 
April 1, 2020, noon N/A N/A 18.4 ppb (17) N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
April 1, 2020, 11 a.m. N/A N/A 22.4 ppb (21) N/A N/A 1.0 ppb (1) 10.0 ppb (8) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
April 1, 2020, 10 a.m. N/A N/A 15.6 ppb (14) N/A N/A 0.0 ppb (0) 14.0 ppb (11) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 24.0
 
April 1, 2020, 9 a.m. N/A N/A 14.5 ppb (13) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 7.6 μg/m3 (32) 32.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
April 1, 2020, 7 a.m. N/A N/A 9.9 ppb (9) N/A N/A N/A 16.0 ppb (12) N/A N/A 6.4 μg/m3 (27) 27.0
 
April 1, 2020, 6 a.m. N/A N/A 9.7 ppb (9) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
April 1, 2020, 5 a.m. N/A N/A 13.4 ppb (12) N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
April 1, 2020, 4 a.m. N/A N/A 13.9 ppb (13) N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
April 1, 2020, 3 a.m. N/A N/A 7.1 ppb (7) N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 19.0
 
April 1, 2020, 2 a.m. N/A N/A 7.1 ppb (7) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 17.0
 
April 1, 2020, 1 a.m. N/A N/A 13.4 ppb (12) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 23.0
 
April 1, 2020, midnight N/A N/A 12.1 ppb (11) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 21.0
 
March 31, 2020, 11 p.m. N/A N/A 12.5 ppb (12) N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
March 31, 2020, 10 p.m. N/A N/A 14.7 ppb (14) N/A N/A 1.0 ppb (1) 18.0 ppb (14) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
March 31, 2020, 9 p.m. N/A N/A 11.8 ppb (11) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
March 31, 2020, 8 p.m. N/A N/A 14.5 ppb (13) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 7 p.m. N/A N/A 15.9 ppb (15) N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
March 31, 2020, 6 p.m. N/A N/A 17.8 ppb (16) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.0 ppb (0) N/A 5.8 μg/m3 (24) 24.0
 
March 31, 2020, 5 p.m. N/A N/A 16.5 ppb (15) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 5.8 μg/m3 (24) 24.0
 
March 31, 2020, 4 p.m. N/A N/A 11.3 ppb (10) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.0 ppb (0) N/A 7.0 μg/m3 (29) 29.0
 
March 31, 2020, 3 p.m. N/A N/A 10.9 ppb (10) N/A N/A 1.0 ppb (1) 24.0 ppb (18) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 24.0
 
March 31, 2020, 2 p.m. N/A N/A 11.1 ppb (10) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 28.0
 
March 31, 2020, 1 p.m. N/A N/A 11.1 ppb (10) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 18.0
 
March 31, 2020, noon N/A N/A 12.1 ppb (11) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
March 31, 2020, 11 a.m. N/A N/A 10.1 ppb (9) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 17.0
 
March 31, 2020, 10 a.m. N/A N/A 8.9 ppb (8) N/A N/A 1.0 ppb (1) 23.0 ppb (18) 0.0 ppb (0) N/A 3.2 μg/m3 (13) 18.0
 
March 31, 2020, 9 a.m. N/A N/A 6.7 ppb (6) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 2.5 μg/m3 (10) 10.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 22.0
 
March 31, 2020, 7 a.m. N/A N/A 4.6 ppb (4) N/A N/A N/A 29.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
March 31, 2020, 6 a.m. N/A N/A 3.9 ppb (4) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 23.0
 
March 31, 2020, 5 a.m. N/A N/A 4.3 ppb (4) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 23.0
 
March 31, 2020, 4 a.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 25.0
 
March 31, 2020, 3 a.m. N/A N/A 5.1 ppb (5) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 24.0
 
March 31, 2020, 2 a.m. N/A N/A 6.0 ppb (6) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 24.0
 
March 31, 2020, 1 a.m. N/A N/A 6.7 ppb (6) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 24.0
 
March 31, 2020, midnight N/A N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 25.0
 
March 30, 2020, 11 p.m. N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 25.0
 
March 30, 2020, 10 p.m. N/A N/A 4.8 ppb (4) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 26.0
 
March 30, 2020, 9 p.m. N/A N/A 5.6 ppb (5) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 26.0
 
March 30, 2020, 8 p.m. N/A N/A 7.0 ppb (6) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 25.0
 
March 30, 2020, 7 p.m. N/A N/A 5.9 ppb (5) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 26.0
 
March 30, 2020, 6 p.m. N/A N/A 4.9 ppb (5) N/A N/A 1.0 ppb (1) 35.0 ppb (27) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 27.0
 
March 30, 2020, 5 p.m. N/A N/A 6.7 ppb (6) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 25.0
 
March 30, 2020, 4 p.m. N/A N/A 7.8 ppb (7) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 24.0
 
March 30, 2020, 3 p.m. N/A N/A 6.7 ppb (6) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 24.0
 
March 30, 2020, 2 p.m. N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 25.0
 
March 30, 2020, 1 p.m. N/A N/A 8.4 ppb (8) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 24.0
 
March 30, 2020, noon N/A N/A 8.5 ppb (8) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 25.0
 
March 30, 2020, 11 a.m. N/A N/A 7.3 ppb (7) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 25.0
 
March 30, 2020, 10 a.m. N/A N/A 5.1 ppb (5) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 26.0
 
March 30, 2020, 9 a.m. N/A N/A 3.3 ppb (3) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 29.0
 
March 30, 2020, 7 a.m. N/A N/A 1.9 ppb (2) N/A N/A N/A 39.0 ppb (30) N/A N/A 3.7 μg/m3 (15) 30.0
 
March 30, 2020, 6 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 30.0
 
March 30, 2020, 5 a.m. N/A N/A 1.6 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 31.0
 
March 30, 2020, 4 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 32.0
 
March 30, 2020, 3 a.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 32.0
 
March 30, 2020, 2 a.m. N/A N/A 2.3 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 32.0
 
March 30, 2020, 1 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 32.0
 
March 30, 2020, midnight N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 4.9 μg/m3 (20) 32.0
 
March 29, 2020, 11 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 31.0
 
March 29, 2020, 10 p.m. N/A N/A 2.2 ppb (2) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 29.0
 
March 29, 2020, 9 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 28.0
 
March 29, 2020, 8 p.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (1) 39.0 ppb (30) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 30.0
 
March 29, 2020, 7 p.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 31.0
 
March 29, 2020, 6 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 28.0
 
March 29, 2020, 5 p.m. N/A N/A 2.3 ppb (2) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 25.0
 
March 29, 2020, 4 p.m. N/A N/A 2.6 ppb (2) N/A N/A 1.0 ppb (1) 40.0 ppb (31) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 31.0
 
March 29, 2020, 3 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A -1.9 μg/m3 (0) 33.0
 
March 29, 2020, 2 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
March 29, 2020, 1 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 9.5 μg/m3 (40) 40.0
 
March 29, 2020, noon N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) N/A 8.1 μg/m3 (34) 34.0
 
March 29, 2020, 11 a.m. N/A N/A 3.4 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
March 29, 2020, 10 a.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 10.1 μg/m3 (42) 42.0
 
March 29, 2020, 9 a.m. N/A N/A 3.6 ppb (3) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 4.3 μg/m3 (18) 18.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 22.0
 
March 29, 2020, 7 a.m. N/A N/A 2.5 ppb (2) N/A N/A N/A 28.0 ppb (22) N/A N/A 2.7 μg/m3 (11) 22.0
 
March 29, 2020, 6 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.0 ppb (0) N/A 0.2 μg/m3 (1) 21.0
 
March 29, 2020, 5 a.m. N/A N/A 2.2 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.0 ppb (0) N/A 0.5 μg/m3 (2) 22.0
 
March 29, 2020, 4 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 25.0
 
March 29, 2020, 3 a.m. N/A N/A 3.2 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 22.0
 
March 29, 2020, 2 a.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 22.0
 
March 29, 2020, 1 a.m. N/A N/A 3.3 ppb (3) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 22.0
 
March 29, 2020, midnight N/A N/A 4.7 ppb (4) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 8.2 μg/m3 (34) 34.0
 
March 28, 2020, 11 p.m. N/A N/A 12.7 ppb (12) N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.0 ppb (0) N/A 7.6 μg/m3 (32) 32.0