ID: 509

AQSQID: 261630001

Site Name: Allen Park

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

Updated: Oct. 19, 2021, 11:02 a.m.

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 53.0

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
Oct. 19, 2021, 9 a.m. N/A N/A 55.8 ppb (53) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 μg/m3 (25) 11.4 μg/m3 (48) 53.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 23.0 μg/m3 (22) 12.5 μg/m3 (52) 52.0
 
Oct. 19, 2021, 7 a.m. N/A N/A 39.7 ppb (38) N/A N/A N/A 1.0 ppb (1) N/A 26.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
Oct. 19, 2021, 6 a.m. N/A N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 26.0 μg/m3 (25) 12.5 μg/m3 (52) 52.0
 
Oct. 19, 2021, 5 a.m. N/A N/A 32.4 ppb (31) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 25.0 μg/m3 (24) 12.3 μg/m3 (52) 52.0
 
Oct. 19, 2021, 4 a.m. N/A N/A 34.5 ppb (33) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 27.0 μg/m3 (25) 12.0 μg/m3 (50) 50.0
 
Oct. 19, 2021, 3 a.m. N/A N/A 41.5 ppb (40) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 23.0 μg/m3 (22) 10.9 μg/m3 (46) 46.0
 
Oct. 19, 2021, 2 a.m. N/A N/A 78.9 ppb (78) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 22.0 μg/m3 (21) 9.8 μg/m3 (41) 78.0
 
Oct. 19, 2021, 1 a.m. N/A N/A 73.4 ppb (72) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 22.0 μg/m3 (21) 9.5 μg/m3 (40) 72.0
 
Oct. 19, 2021, midnight N/A N/A 25.4 ppb (24) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) 21.0 μg/m3 (20) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 11 p.m. N/A N/A 23.2 ppb (22) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 36.0 μg/m3 (34) 9.2 μg/m3 (39) 39.0
 
Oct. 18, 2021, 10 p.m. N/A N/A 29.3 ppb (28) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 13.0 μg/m3 (13) 5.4 μg/m3 (23) 28.0
 
Oct. 18, 2021, 9 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 13.0 μg/m3 (13) 4.6 μg/m3 (20) 32.0
 
Oct. 18, 2021, 8 p.m. N/A N/A 6.9 ppb (7) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) 16.0 μg/m3 (15) 4.4 μg/m3 (19) 33.0
 
Oct. 18, 2021, 7 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 13.0 μg/m3 (13) 4.2 μg/m3 (18) 32.0
 
Oct. 18, 2021, 6 p.m. N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 32.0
 
Oct. 18, 2021, 5 p.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 12.0 μg/m3 (12) 4.1 μg/m3 (18) 28.0
 
Oct. 18, 2021, 4 p.m. N/A N/A 7.8 ppb (8) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 12.0 μg/m3 (12) 4.3 μg/m3 (18) 25.0
 
Oct. 18, 2021, 3 p.m. N/A N/A 12.4 ppb (12) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 11.0 μg/m3 (11) 4.4 μg/m3 (19) 22.0
 
Oct. 18, 2021, 2 p.m. N/A N/A 26.4 ppb (25) N/A N/A 1.0 ppb (2) 16.0 ppb (15) 0.0 ppb (0) 20.0 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
Oct. 18, 2021, 1 p.m. N/A N/A 32.5 ppb (31) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) 17.0 μg/m3 (16) 6.7 μg/m3 (28) 31.0
 
Oct. 18, 2021, noon N/A N/A 40.6 ppb (39) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.0 ppb (0) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 39.0
 
Oct. 18, 2021, 11 a.m. N/A N/A 40.9 ppb (39) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 17.0 μg/m3 (16) 6.3 μg/m3 (27) 39.0
 
Oct. 18, 2021, 10 a.m. N/A N/A 29.2 ppb (28) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 14.0 μg/m3 (13) 5.8 μg/m3 (25) 28.0
 
Oct. 18, 2021, 9 a.m. N/A N/A 16.1 ppb (16) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 μg/m3 (12) 5.3 μg/m3 (23) 23.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 12.0 μg/m3 (12) 4.9 μg/m3 (21) 21.0
 
Oct. 18, 2021, 7 a.m. N/A N/A 9.8 ppb (10) N/A N/A N/A 14.0 ppb (13) N/A 11.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
Oct. 18, 2021, 6 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 11.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
Oct. 18, 2021, 5 a.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
Oct. 18, 2021, 4 a.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 11.0 μg/m3 (11) 4.1 μg/m3 (18) 18.0
 
Oct. 18, 2021, 3 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 11.0 μg/m3 (11) 4.3 μg/m3 (18) 24.0
 
Oct. 18, 2021, 2 a.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 22.0
 
Oct. 18, 2021, 1 a.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 24.0
 
Oct. 18, 2021, midnight N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) 11.0 μg/m3 (11) 4.5 μg/m3 (19) 25.0
 
Oct. 17, 2021, 11 p.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 10.0 μg/m3 (10) 4.2 μg/m3 (18) 29.0
 
Oct. 17, 2021, 10 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 31.0
 
Oct. 17, 2021, 9 p.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 8.0 μg/m3 (8) 3.4 μg/m3 (15) 32.0
 
Oct. 17, 2021, 8 p.m. N/A N/A -1.0 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 9.0 μg/m3 (9) 3.2 μg/m3 (14) 34.0
 
Oct. 17, 2021, 7 p.m. N/A N/A -1.6 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 8.0 μg/m3 (8) 3.3 μg/m3 (14) 34.0
 
Oct. 17, 2021, 6 p.m. N/A N/A -1.7 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) 7.0 μg/m3 (7) 3.3 μg/m3 (14) 33.0
 
Oct. 17, 2021, 5 p.m. N/A N/A -2.0 ppb (0) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 8.0 μg/m3 (8) 3.7 μg/m3 (16) 31.0
 
Oct. 17, 2021, 4 p.m. N/A N/A -1.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 10.0 μg/m3 (10) 4.3 μg/m3 (18) 28.0
 
Oct. 17, 2021, 3 p.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 14.0 μg/m3 (13) 5.3 μg/m3 (23) 23.0
 
Oct. 17, 2021, 2 p.m. N/A N/A 4.6 ppb (5) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
Oct. 17, 2021, 1 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 13.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
Oct. 17, 2021, noon N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 13.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
Oct. 17, 2021, 11 a.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Oct. 17, 2021, 10 a.m. N/A N/A 2.9 ppb (3) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 14.0 μg/m3 (13) 6.3 μg/m3 (27) 27.0
 
Oct. 17, 2021, 9 a.m. N/A N/A 0.3 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
Oct. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
Oct. 17, 2021, 7 a.m. N/A N/A -1.7 ppb (0) N/A N/A N/A 21.0 ppb (20) N/A 12.0 μg/m3 (12) 6.3 μg/m3 (27) 27.0
 
Oct. 17, 2021, 6 a.m. N/A N/A -1.9 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Oct. 17, 2021, 5 a.m. N/A N/A -1.7 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 13.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Oct. 17, 2021, 4 a.m. N/A N/A -1.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Oct. 17, 2021, 3 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Oct. 17, 2021, 2 a.m. N/A N/A -0.4 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
Oct. 17, 2021, 1 a.m. N/A N/A -0.9 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Oct. 17, 2021, midnight N/A N/A -0.9 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 25.0
 
Oct. 16, 2021, 11 p.m. N/A N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) 8.0 μg/m3 (8) 4.3 μg/m3 (18) 25.0
 
Oct. 16, 2021, 10 p.m. N/A N/A -0.6 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 8.0 μg/m3 (8) 3.5 μg/m3 (15) 25.0
 
Oct. 16, 2021, 9 p.m. N/A N/A -0.4 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 8.0 μg/m3 (8) 3.6 μg/m3 (16) 24.0
 
Oct. 16, 2021, 8 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 9.0 μg/m3 (9) 4.2 μg/m3 (18) 24.0
 
Oct. 16, 2021, 7 p.m. N/A N/A 0.1 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 26.0
 
Oct. 16, 2021, 6 p.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 11.0 μg/m3 (11) 4.9 μg/m3 (21) 28.0
 
Oct. 16, 2021, 5 p.m. N/A N/A 0.1 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 12.0 μg/m3 (12) 5.4 μg/m3 (23) 27.0
 
Oct. 16, 2021, 4 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 25.0
 
Oct. 16, 2021, 3 p.m. N/A N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 15.0 μg/m3 (14) 4.9 μg/m3 (21) 25.0
 
Oct. 16, 2021, 2 p.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 12.0 μg/m3 (12) 5.1 μg/m3 (22) 22.0
 
Oct. 16, 2021, 1 p.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 10.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
Oct. 16, 2021, noon N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 10.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
Oct. 16, 2021, 11 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 10.0 μg/m3 (10) 4.4 μg/m3 (19) 20.0
 
Oct. 16, 2021, 10 a.m. N/A N/A -1.6 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 8.0 μg/m3 (8) 3.9 μg/m3 (17) 25.0
 
Oct. 16, 2021, 9 a.m. N/A N/A -2.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 9.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
Oct. 16, 2021, 7 a.m. N/A N/A -0.4 ppb (0) N/A N/A N/A 18.0 ppb (17) N/A 10.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Oct. 16, 2021, 6 a.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
Oct. 16, 2021, 5 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
Oct. 16, 2021, 4 a.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 13.0 μg/m3 (13) 5.6 μg/m3 (24) 24.0
 
Oct. 16, 2021, 3 a.m. N/A N/A 7.9 ppb (8) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 12.0 μg/m3 (12) 5.3 μg/m3 (23) 23.0
 
Oct. 16, 2021, 2 a.m. N/A N/A 12.7 ppb (12) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 11.0 μg/m3 (11) 4.8 μg/m3 (20) 20.0
 
Oct. 16, 2021, 1 a.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
Oct. 16, 2021, midnight N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 10.0 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Oct. 15, 2021, 11 p.m. N/A N/A 11.1 ppb (11) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Oct. 15, 2021, 10 p.m. N/A N/A 26.5 ppb (25) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 17.0 μg/m3 (16) 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 9 p.m. N/A N/A 21.2 ppb (20) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 14.0 μg/m3 (13) 6.1 μg/m3 (26) 26.0
 
Oct. 15, 2021, 8 p.m. N/A N/A 22.1 ppb (21) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 18.0 μg/m3 (17) 6.4 μg/m3 (27) 27.0
 
Oct. 15, 2021, 7 p.m. N/A N/A 19.3 ppb (19) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Oct. 15, 2021, 6 p.m. N/A N/A 17.4 ppb (17) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 5.9 μg/m3 (25) 25.0
 
Oct. 15, 2021, 5 p.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 14.0 μg/m3 (13) 5.5 μg/m3 (23) 23.0
 
Oct. 15, 2021, 4 p.m. N/A N/A 29.1 ppb (28) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 25.0 μg/m3 (24) 7.5 μg/m3 (32) 32.0
 
Oct. 15, 2021, 3 p.m. N/A N/A 31.1 ppb (30) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 42.0 μg/m3 (39) 10.0 μg/m3 (42) 42.0
 
Oct. 15, 2021, 2 p.m. N/A N/A 29.0 ppb (28) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 21.0 μg/m3 (20) 7.4 μg/m3 (31) 31.0
 
Oct. 15, 2021, 1 p.m. N/A N/A 39.0 ppb (37) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.0 ppb (0) 20.0 μg/m3 (19) 7.7 μg/m3 (33) 37.0
 
Oct. 15, 2021, noon N/A N/A 39.8 ppb (38) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 23.0 μg/m3 (22) 8.1 μg/m3 (34) 38.0
 
Oct. 15, 2021, 11 a.m. N/A N/A 13.7 ppb (13) N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.0 ppb (0) 20.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
Oct. 15, 2021, 10 a.m. N/A N/A 19.1 ppb (19) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 21.0 μg/m3 (20) 8.2 μg/m3 (35) 35.0
 
Oct. 15, 2021, 9 a.m. N/A N/A 3.6 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) 22.0 μg/m3 (21) 8.6 μg/m3 (36) 36.0
 
Oct. 15, 2021, 7 a.m. N/A N/A 3.3 ppb (4) N/A N/A N/A 9.0 ppb (9) N/A 22.0 μg/m3 (21) 8.7 μg/m3 (37) 37.0
 
Oct. 15, 2021, 6 a.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 21.0 μg/m3 (20) 8.3 μg/m3 (35) 35.0
 
Oct. 15, 2021, 5 a.m. N/A N/A 10.4 ppb (10) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 20.0 μg/m3 (19) 7.2 μg/m3 (31) 31.0
 
Oct. 15, 2021, 4 a.m. N/A N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 19.0 μg/m3 (18) 7.5 μg/m3 (32) 32.0
 
Oct. 15, 2021, 3 a.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 17.0 μg/m3 (16) 7.3 μg/m3 (31) 31.0
 
Oct. 15, 2021, 2 a.m. N/A N/A 12.6 ppb (12) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 20.0 μg/m3 (19) 7.9 μg/m3 (33) 33.0
 
Oct. 15, 2021, 1 a.m. N/A N/A 21.1 ppb (20) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 18.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
Oct. 15, 2021, midnight N/A N/A 17.2 ppb (17) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 18.0 μg/m3 (17) 7.7 μg/m3 (33) 33.0
 
Oct. 14, 2021, 11 p.m. N/A N/A 11.9 ppb (12) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 16.0 μg/m3 (15) 6.1 μg/m3 (26) 26.0
 
Oct. 14, 2021, 10 p.m. N/A N/A 7.5 ppb (8) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 26.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
Oct. 14, 2021, 9 p.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 32.0 μg/m3 (30) 13.1 μg/m3 (54) 54.0
 
Oct. 14, 2021, 8 p.m. N/A N/A 6.5 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 27.0 μg/m3 (25) 12.2 μg/m3 (52) 52.0
 
Oct. 14, 2021, 7 p.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 26.0 μg/m3 (25) 11.8 μg/m3 (50) 50.0
 
Oct. 14, 2021, 6 p.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 28.0 μg/m3 (26) 13.2 μg/m3 (54) 54.0
 
Oct. 14, 2021, 5 p.m. N/A N/A 5.6 ppb (6) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 27.0 μg/m3 (25) 13.4 μg/m3 (54) 54.0
 
Oct. 14, 2021, 4 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 26.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
Oct. 14, 2021, 3 p.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 26.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
Oct. 14, 2021, 2 p.m. N/A N/A 7.9 ppb (8) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 25.0 μg/m3 (24) 14.3 μg/m3 (56) 56.0
 
Oct. 14, 2021, 1 p.m. N/A N/A 12.8 ppb (13) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 31.0 μg/m3 (29) 16.4 μg/m3 (61) 61.0
 
Oct. 14, 2021, noon N/A N/A 25.4 ppb (24) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) 28.0 μg/m3 (26) 13.8 μg/m3 (55) 55.0
 
Oct. 14, 2021, 11 a.m. N/A N/A 27.7 ppb (27) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) 31.0 μg/m3 (29) 12.9 μg/m3 (53) 53.0
 
Oct. 14, 2021, 10 a.m. N/A N/A 8.8 ppb (9) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 27.0 μg/m3 (25) 11.4 μg/m3 (48) 48.0
 
Oct. 14, 2021, 9 a.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 μg/m3 (29) 11.1 μg/m3 (47) 47.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 33.0 μg/m3 (31) 11.3 μg/m3 (48) 48.0
 
Oct. 14, 2021, 7 a.m. N/A N/A 0.8 ppb (1) N/A N/A N/A 17.0 ppb (16) N/A 30.0 μg/m3 (28) 11.0 μg/m3 (46) 46.0
 
Oct. 14, 2021, 6 a.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 28.0 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
Oct. 14, 2021, 5 a.m. N/A N/A -1.1 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 23.0 μg/m3 (22) 9.2 μg/m3 (39) 39.0
 
Oct. 14, 2021, 4 a.m. N/A N/A -1.0 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 3 a.m. N/A N/A -0.6 ppb (0) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 19.0 μg/m3 (18) 8.2 μg/m3 (35) 35.0
 
Oct. 14, 2021, 2 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 22.0 μg/m3 (21) 9.5 μg/m3 (40) 40.0
 
Oct. 14, 2021, 1 a.m. N/A N/A 4.8 ppb (5) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 25.0 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
Oct. 14, 2021, midnight N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 23.0 μg/m3 (22) 12.9 μg/m3 (53) 53.0
 
Oct. 13, 2021, 11 p.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 23.0 μg/m3 (22) 11.2 μg/m3 (47) 47.0
 
Oct. 13, 2021, 10 p.m. N/A N/A 4.3 ppb (5) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) 23.0 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
Oct. 13, 2021, 9 p.m. N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) 24.0 μg/m3 (23) 7.8 μg/m3 (33) 36.0
 
Oct. 13, 2021, 8 p.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) 25.0 μg/m3 (24) 7.7 μg/m3 (33) 38.0
 
Oct. 13, 2021, 7 p.m. N/A N/A 2.5 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) 17.0 μg/m3 (16) 7.1 μg/m3 (30) 37.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 18.0 μg/m3 (17) 6.9 μg/m3 (29) 34.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 18.0 μg/m3 (17) 7.3 μg/m3 (31) 31.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 19.0 μg/m3 (18) 8.2 μg/m3 (35) 35.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 18.0 μg/m3 (17) 8.9 μg/m3 (38) 38.0
 
Oct. 13, 2021, 1 p.m. N/A N/A 10.7 ppb (11) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 22.0 μg/m3 (21) 10.2 μg/m3 (43) 43.0
 
Oct. 13, 2021, noon N/A N/A 13.6 ppb (13) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 22.0 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
Oct. 13, 2021, 11 a.m. N/A N/A 16.5 ppb (16) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 19.0 μg/m3 (18) 8.9 μg/m3 (38) 38.0
 
Oct. 13, 2021, 10 a.m. N/A N/A 17.3 ppb (17) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 16.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
Oct. 13, 2021, 9 a.m. N/A N/A 5.5 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Oct. 13, 2021, 7 a.m. N/A N/A 4.7 ppb (5) N/A N/A N/A 13.0 ppb (13) N/A 12.0 μg/m3 (12) 5.6 μg/m3 (24) 24.0
 
Oct. 13, 2021, 6 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Oct. 13, 2021, 5 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Oct. 13, 2021, 4 a.m. N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 26.0
 
Oct. 13, 2021, 3 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 13.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Oct. 13, 2021, 2 a.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Oct. 13, 2021, 1 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
Oct. 13, 2021, midnight N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Oct. 12, 2021, 11 p.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 15.0 μg/m3 (14) 6.6 μg/m3 (28) 28.0
 
Oct. 12, 2021, 10 p.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Oct. 12, 2021, 9 p.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 17.0 μg/m3 (16) 6.9 μg/m3 (29) 29.0
 
Oct. 12, 2021, 8 p.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 18.0 μg/m3 (17) 6.5 μg/m3 (28) 28.0
 
Oct. 12, 2021, 7 p.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
Oct. 12, 2021, 6 p.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 15.0 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
Oct. 12, 2021, 5 p.m. N/A N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 16.0 μg/m3 (15) 5.4 μg/m3 (23) 28.0
 
Oct. 12, 2021, 4 p.m. N/A N/A 6.2 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 18.0 μg/m3 (17) 5.3 μg/m3 (23) 30.0
 
Oct. 12, 2021, 3 p.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 21.0 μg/m3 (20) 5.4 μg/m3 (23) 28.0
 
Oct. 12, 2021, 2 p.m. N/A N/A 8.6 ppb (9) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) 15.0 μg/m3 (14) 5.1 μg/m3 (22) 25.0
 
Oct. 12, 2021, 1 p.m. N/A N/A 10.1 ppb (10) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) 16.0 μg/m3 (15) 6.5 μg/m3 (28) 28.0
 
Oct. 12, 2021, noon N/A N/A 7.1 ppb (7) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
Oct. 12, 2021, 11 a.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 16.0 μg/m3 (15) 7.5 μg/m3 (32) 32.0
 
Oct. 12, 2021, 10 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 14.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0