ID: 509

AQSQID: 261630001

Site Name: Allen Park

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

Updated: Jan. 24, 2021, 2:32 p.m.

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 29.0

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
Jan. 24, 2021, 1 p.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 24, 2021, noon N/A N/A 8.9 ppb (9) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 26.0
 
Jan. 24, 2021, 11 a.m. N/A N/A 27.1 ppb (26) N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 24, 2021, 10 a.m. N/A N/A 29.2 ppb (28) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 24, 2021, 9 a.m. N/A N/A 61.0 ppb (59) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) N/A 13.0 μg/m3 (53) 59.0
 
Jan. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) N/A 13.8 μg/m3 (55) 55.0
 
Jan. 24, 2021, 7 a.m. N/A N/A 56.4 ppb (54) N/A N/A N/A 2.0 ppb (2) N/A N/A 15.5 μg/m3 (59) 59.0
 
Jan. 24, 2021, 6 a.m. N/A N/A 43.2 ppb (41) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) N/A 15.9 μg/m3 (59) 59.0
 
Jan. 24, 2021, 5 a.m. N/A N/A 32.2 ppb (31) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) N/A 19.4 μg/m3 (67) 67.0
 
Jan. 24, 2021, 4 a.m. N/A N/A 40.4 ppb (39) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) N/A 25.2 μg/m3 (79) 79.0
 
Jan. 24, 2021, 3 a.m. N/A N/A 63.2 ppb (61) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) N/A 26.3 μg/m3 (81) 81.0
 
Jan. 24, 2021, 2 a.m. N/A N/A 85.7 ppb (85) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.0 ppb (0) N/A 22.7 μg/m3 (74) 85.0
 
Jan. 24, 2021, 1 a.m. N/A N/A 70.3 ppb (69) N/A N/A 1.0 ppb (2) 3.0 ppb (3) 0.0 ppb (0) N/A 22.5 μg/m3 (73) 73.0
 
Jan. 24, 2021, midnight N/A N/A 42.1 ppb (40) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) N/A 12.3 μg/m3 (52) 52.0
 
Jan. 23, 2021, 11 p.m. N/A N/A 27.4 ppb (26) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 32.0
 
Jan. 23, 2021, 10 p.m. N/A N/A 11.8 ppb (12) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 25.0
 
Jan. 23, 2021, 9 p.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 32.0
 
Jan. 23, 2021, 8 p.m. N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 33.0
 
Jan. 23, 2021, 7 p.m. N/A N/A 5.8 ppb (6) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 33.0
 
Jan. 23, 2021, 6 p.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 32.0
 
Jan. 23, 2021, 5 p.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 32.0
 
Jan. 23, 2021, 4 p.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 31.0
 
Jan. 23, 2021, 3 p.m. N/A N/A 9.1 ppb (9) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 29.0
 
Jan. 23, 2021, 2 p.m. N/A N/A 12.4 ppb (12) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 26.0
 
Jan. 23, 2021, 1 p.m. N/A N/A 30.0 ppb (29) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 29.0
 
Jan. 23, 2021, noon N/A N/A 22.8 ppb (22) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 22.0
 
Jan. 23, 2021, 11 a.m. N/A N/A 10.8 ppb (11) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 2.5 μg/m3 (11) 25.0
 
Jan. 23, 2021, 10 a.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 31.0
 
Jan. 23, 2021, 9 a.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.6 μg/m3 (7) 7.0
 
Jan. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) N/A 1.0 μg/m3 (5) 34.0
 
Jan. 23, 2021, 7 a.m. N/A N/A 2.0 ppb (2) N/A N/A N/A 36.0 ppb (34) N/A N/A 1.1 μg/m3 (5) 34.0
 
Jan. 23, 2021, 6 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 1.5 μg/m3 (7) 32.0
 
Jan. 23, 2021, 5 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) N/A 2.5 μg/m3 (11) 31.0
 
Jan. 23, 2021, 4 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 30.0
 
Jan. 23, 2021, 3 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 30.0
 
Jan. 23, 2021, 2 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 30.0
 
Jan. 23, 2021, 1 a.m. N/A N/A 4.6 ppb (5) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 30.0
 
Jan. 23, 2021, midnight N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 3.4 μg/m3 (15) 27.0
 
Jan. 22, 2021, 11 p.m. N/A N/A 8.9 ppb (9) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 25.0
 
Jan. 22, 2021, 10 p.m. N/A N/A 9.3 ppb (9) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 4.4 μg/m3 (19) 25.0
 
Jan. 22, 2021, 9 p.m. N/A N/A 9.6 ppb (10) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 26.0
 
Jan. 22, 2021, 8 p.m. N/A N/A 11.4 ppb (11) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 25.0
 
Jan. 22, 2021, 7 p.m. N/A N/A 13.3 ppb (13) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 23.0
 
Jan. 22, 2021, 6 p.m. N/A N/A 11.8 ppb (12) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 23.0
 
Jan. 22, 2021, 5 p.m. N/A N/A 12.5 ppb (12) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 5.3 μg/m3 (23) 23.0
 
Jan. 22, 2021, 4 p.m. N/A N/A 18.7 ppb (18) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 22, 2021, 3 p.m. N/A N/A 17.9 ppb (17) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 4.9 μg/m3 (21) 21.0
 
Jan. 22, 2021, 2 p.m. N/A N/A 17.5 ppb (17) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 22, 2021, 1 p.m. N/A N/A 13.2 ppb (13) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 20.0
 
Jan. 22, 2021, noon N/A N/A 10.1 ppb (10) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 23.0
 
Jan. 22, 2021, 11 a.m. N/A N/A 6.9 ppb (7) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 25.0
 
Jan. 22, 2021, 10 a.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 24.0
 
Jan. 22, 2021, 9 a.m. N/A N/A 8.1 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 25.0
 
Jan. 22, 2021, 7 a.m. N/A N/A 10.3 ppb (10) N/A N/A N/A 26.0 ppb (25) N/A N/A 5.8 μg/m3 (25) 25.0
 
Jan. 22, 2021, 6 a.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 26.0
 
Jan. 22, 2021, 5 a.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 25.0
 
Jan. 22, 2021, 4 a.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 25.0
 
Jan. 22, 2021, 3 a.m. N/A N/A 12.5 ppb (12) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 24.0
 
Jan. 22, 2021, 2 a.m. N/A N/A 10.7 ppb (11) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 25.0
 
Jan. 22, 2021, 1 a.m. N/A N/A 7.1 ppb (7) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 29.0
 
Jan. 22, 2021, midnight N/A N/A 7.7 ppb (8) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 28.0
 
Jan. 21, 2021, 11 p.m. N/A N/A 10.4 ppb (10) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 21, 2021, 10 p.m. N/A N/A 11.2 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 26.0
 
Jan. 21, 2021, 9 p.m. N/A N/A 11.6 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 26.0
 
Jan. 21, 2021, 8 p.m. N/A N/A 13.2 ppb (13) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 25.0
 
Jan. 21, 2021, 7 p.m. N/A N/A 11.2 ppb (11) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 26.0
 
Jan. 21, 2021, 6 p.m. N/A N/A 10.9 ppb (11) N/A N/A 1.0 ppb (2) 28.0 ppb (26) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 26.0
 
Jan. 21, 2021, 5 p.m. N/A N/A 12.5 ppb (12) N/A N/A 1.0 ppb (2) 24.0 ppb (23) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 21, 2021, 4 p.m. N/A N/A 12.4 ppb (12) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 32.0
 
Jan. 21, 2021, 3 p.m. N/A N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 21, 2021, 2 p.m. N/A N/A 13.0 ppb (13) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 21, 2021, 1 p.m. N/A N/A 15.7 ppb (15) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) N/A 7.5 μg/m3 (32) 32.0
 
Jan. 21, 2021, noon N/A N/A 16.4 ppb (16) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) N/A 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2021, 11 a.m. N/A N/A 12.4 ppb (12) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2021, 10 a.m. N/A N/A 9.2 ppb (9) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 29.0
 
Jan. 21, 2021, 9 a.m. N/A N/A 6.9 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 21, 2021, 7 a.m. N/A N/A 5.0 ppb (5) N/A N/A N/A 24.0 ppb (23) N/A N/A 7.3 μg/m3 (31) 31.0
 
Jan. 21, 2021, 6 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 21, 2021, 5 a.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 21, 2021, 4 a.m. N/A N/A 8.1 ppb (8) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 10.2 μg/m3 (43) 43.0
 
Jan. 21, 2021, 3 a.m. N/A N/A 9.5 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 21, 2021, 2 a.m. N/A N/A 9.5 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 14.2 μg/m3 (56) 56.0
 
Jan. 21, 2021, 1 a.m. N/A N/A 9.4 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 16.0 μg/m3 (60) 60.0
 
Jan. 21, 2021, midnight N/A N/A 10.3 ppb (10) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 15.1 μg/m3 (58) 58.0
 
Jan. 20, 2021, 11 p.m. N/A N/A 12.2 ppb (12) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 20, 2021, 10 p.m. N/A N/A 10.1 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 9.2 μg/m3 (39) 39.0
 
Jan. 20, 2021, 9 p.m. N/A N/A 10.3 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 20, 2021, 8 p.m. N/A N/A 10.4 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 20, 2021, 7 p.m. N/A N/A 10.2 ppb (10) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 9.3 μg/m3 (39) 39.0
 
Jan. 20, 2021, 6 p.m. N/A N/A 11.7 ppb (12) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 9.2 μg/m3 (39) 39.0
 
Jan. 20, 2021, 5 p.m. N/A N/A 15.3 ppb (15) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 6.8 μg/m3 (29) 29.0
 
Jan. 20, 2021, 4 p.m. N/A N/A 16.8 ppb (16) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.1 μg/m3 (26) 26.0
 
Jan. 20, 2021, 3 p.m. N/A N/A 19.3 ppb (19) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 7.7 μg/m3 (33) 33.0
 
Jan. 20, 2021, 2 p.m. N/A N/A 33.5 ppb (32) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 20, 2021, 1 p.m. N/A N/A 54.6 ppb (52) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 52.0
 
Jan. 20, 2021, noon N/A N/A 53.3 ppb (51) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 51.0
 
Jan. 20, 2021, 11 a.m. N/A N/A 20.8 ppb (20) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
Jan. 20, 2021, 10 a.m. N/A N/A 10.9 ppb (11) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 20, 2021, 9 a.m. N/A N/A 8.8 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 26.0
 
Jan. 20, 2021, 7 a.m. N/A N/A 7.2 ppb (7) N/A N/A N/A 27.0 ppb (25) N/A N/A 8.4 μg/m3 (36) 36.0
 
Jan. 20, 2021, 6 a.m. N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 20, 2021, 5 a.m. N/A N/A 9.1 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 10.4 μg/m3 (44) 44.0
 
Jan. 20, 2021, 4 a.m. N/A N/A 9.7 ppb (10) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 9.4 μg/m3 (40) 40.0
 
Jan. 20, 2021, 3 a.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 20, 2021, 2 a.m. N/A N/A 5.4 ppb (6) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Jan. 20, 2021, 1 a.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 11.6 μg/m3 (49) 49.0
 
Jan. 20, 2021, midnight N/A N/A 13.7 ppb (13) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 14.7 μg/m3 (57) 57.0
 
Jan. 19, 2021, 11 p.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 19, 2021, 10 p.m. N/A N/A 13.2 ppb (13) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 12.7 μg/m3 (53) 53.0
 
Jan. 19, 2021, 9 p.m. N/A N/A 14.0 ppb (14) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 12.9 μg/m3 (53) 53.0
 
Jan. 19, 2021, 8 p.m. N/A N/A 13.6 ppb (13) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 13.2 μg/m3 (54) 54.0
 
Jan. 19, 2021, 7 p.m. N/A N/A 12.9 ppb (13) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 13.1 μg/m3 (54) 54.0
 
Jan. 19, 2021, 6 p.m. N/A N/A 10.8 ppb (11) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 19, 2021, 5 p.m. N/A N/A 11.7 ppb (12) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 10.4 μg/m3 (44) 44.0
 
Jan. 19, 2021, 4 p.m. N/A N/A 11.2 ppb (11) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2021, 3 p.m. N/A N/A 14.6 ppb (14) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 10.1 μg/m3 (43) 43.0
 
Jan. 19, 2021, 2 p.m. N/A N/A 18.2 ppb (18) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 11.3 μg/m3 (48) 48.0
 
Jan. 19, 2021, 1 p.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
Jan. 19, 2021, noon N/A N/A 18.1 ppb (18) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2021, 11 a.m. N/A N/A 12.3 ppb (12) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 13.8 μg/m3 (55) 55.0
 
Jan. 19, 2021, 10 a.m. N/A N/A 8.7 ppb (9) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 19, 2021, 9 a.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 18.2 μg/m3 (64) 64.0
 
Jan. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 19.5 μg/m3 (67) 67.0
 
Jan. 19, 2021, 7 a.m. N/A N/A 7.3 ppb (7) N/A N/A N/A 18.0 ppb (17) N/A N/A 16.9 μg/m3 (62) 62.0
 
Jan. 19, 2021, 6 a.m. N/A N/A 5.4 ppb (6) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 19, 2021, 5 a.m. N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 19, 2021, 4 a.m. N/A N/A 4.6 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 8.9 μg/m3 (38) 38.0
 
Jan. 19, 2021, 3 a.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 19, 2021, 2 a.m. N/A N/A 6.5 ppb (7) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 10.6 μg/m3 (45) 45.0
 
Jan. 19, 2021, 1 a.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 19, 2021, midnight N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 14.5 μg/m3 (57) 57.0
 
Jan. 18, 2021, 11 p.m. N/A N/A 10.2 ppb (10) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) N/A 14.6 μg/m3 (57) 57.0
 
Jan. 18, 2021, 10 p.m. N/A N/A 11.3 ppb (11) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 10.8 μg/m3 (46) 46.0
 
Jan. 18, 2021, 9 p.m. N/A N/A 12.5 ppb (12) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 18, 2021, 8 p.m. N/A N/A 12.3 ppb (12) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2021, 7 p.m. N/A N/A 12.1 ppb (12) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 35.0
 
Jan. 18, 2021, 6 p.m. N/A N/A 13.2 ppb (13) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 8.7 μg/m3 (37) 37.0
 
Jan. 18, 2021, 5 p.m. N/A N/A 16.5 ppb (16) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 18, 2021, 4 p.m. N/A N/A 18.3 ppb (18) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 18, 2021, 3 p.m. N/A N/A 19.9 ppb (19) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) N/A 12.9 μg/m3 (53) 53.0
 
Jan. 18, 2021, 2 p.m. N/A N/A 19.9 ppb (19) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) N/A 14.2 μg/m3 (56) 56.0
 
Jan. 18, 2021, 1 p.m. N/A N/A 20.2 ppb (20) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) N/A 14.8 μg/m3 (57) 57.0
 
Jan. 18, 2021, noon N/A N/A 16.6 ppb (16) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) N/A 14.2 μg/m3 (56) 56.0
 
Jan. 18, 2021, 11 a.m. N/A N/A 15.5 ppb (15) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 18, 2021, 10 a.m. N/A N/A 11.8 ppb (12) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) N/A 13.8 μg/m3 (55) 55.0
 
Jan. 18, 2021, 9 a.m. N/A N/A 7.5 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 12.2 μg/m3 (52) 52.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) N/A 10.6 μg/m3 (45) 45.0
 
Jan. 18, 2021, 7 a.m. N/A N/A 5.4 ppb (6) N/A N/A N/A 11.0 ppb (11) N/A N/A 9.2 μg/m3 (39) 39.0
 
Jan. 18, 2021, 6 a.m. N/A N/A 5.8 ppb (6) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) N/A 8.7 μg/m3 (37) 37.0
 
Jan. 18, 2021, 5 a.m. N/A N/A 6.2 ppb (6) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) N/A 8.4 μg/m3 (36) 36.0
 
Jan. 18, 2021, 4 a.m. N/A N/A 6.9 ppb (7) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) N/A 9.7 μg/m3 (41) 41.0
 
Jan. 18, 2021, 3 a.m. N/A N/A 9.5 ppb (9) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 18, 2021, 2 a.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 12.3 μg/m3 (52) 52.0
 
Jan. 18, 2021, 1 a.m. N/A N/A 9.9 ppb (10) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 18, 2021, midnight N/A N/A 9.3 ppb (9) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) N/A 13.6 μg/m3 (55) 55.0
 
Jan. 17, 2021, 11 p.m. N/A N/A 9.2 ppb (9) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) N/A 11.3 μg/m3 (48) 48.0
 
Jan. 17, 2021, 10 p.m. N/A N/A 7.5 ppb (8) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) N/A 9.9 μg/m3 (42) 42.0
 
Jan. 17, 2021, 9 p.m. N/A N/A 9.1 ppb (9) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 10.5 μg/m3 (44) 44.0
 
Jan. 17, 2021, 8 p.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 17, 2021, 7 p.m. N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2021, 6 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 17, 2021, 5 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 22.0
 
Jan. 17, 2021, 4 p.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2021, 3 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 24.0
 
Jan. 17, 2021, 2 p.m. N/A N/A 5.5 ppb (6) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 28.0