ID: 509

AQSQID: 261630001

Site Name: Allen Park

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

Updated: Sept. 25, 2021, 8:59 a.m.

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 28.0

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
Sept. 18, 2021, 7 a.m. N/A N/A 26.4 ppb (25) N/A N/A N/A 2.0 ppb (2) N/A 33.0 μg/m3 (31) 23.2 μg/m3 (75) 75.0
 
Sept. 18, 2021, 6 a.m. N/A N/A 28.1 ppb (27) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 28.0 μg/m3 (26) 20.3 μg/m3 (69) 69.0
 
Sept. 18, 2021, 5 a.m. N/A N/A 46.8 ppb (45) N/A N/A 1.0 ppb (2) 1.0 ppb (1) 0.0 ppb (0) 27.0 μg/m3 (25) 18.4 μg/m3 (65) 65.0
 
Sept. 18, 2021, 4 a.m. N/A N/A 36.3 ppb (35) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) 27.0 μg/m3 (25) 18.7 μg/m3 (65) 65.0
 
Sept. 18, 2021, 3 a.m. N/A N/A 41.9 ppb (40) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.0 ppb (0) 28.0 μg/m3 (26) 18.0 μg/m3 (64) 64.0
 
Sept. 18, 2021, 2 a.m. N/A N/A 27.8 ppb (27) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.0 ppb (0) 22.0 μg/m3 (21) 14.5 μg/m3 (57) 57.0
 
Sept. 18, 2021, 1 a.m. N/A N/A 5.3 ppb (5) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) 19.0 μg/m3 (18) 12.9 μg/m3 (53) 53.0
 
Sept. 18, 2021, midnight N/A N/A 6.8 ppb (7) N/A N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) 17.0 μg/m3 (16) 11.8 μg/m3 (50) 50.0
 
Sept. 17, 2021, 11 p.m. N/A N/A 4.9 ppb (5) N/A N/A 1.0 ppb (2) 49.0 ppb (46) 0.0 ppb (0) 34.0 μg/m3 (32) 13.5 μg/m3 (54) 54.0
 
Sept. 17, 2021, 10 p.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (2) 53.0 ppb (50) 0.0 ppb (0) 19.0 μg/m3 (18) 11.5 μg/m3 (48) 50.0
 
Sept. 17, 2021, 9 p.m. N/A N/A 3.4 ppb (4) N/A N/A 2.0 ppb (3) 63.0 ppb (78) 0.0 ppb (0) 20.0 μg/m3 (19) 12.9 μg/m3 (53) 78.0
 
Sept. 17, 2021, 8 p.m. N/A N/A 9.8 ppb (10) N/A N/A 14.0 ppb (20) 55.0 ppb (51) 0.01 ppb (0) 27.0 μg/m3 (25) 15.3 μg/m3 (58) 58.0
 
Sept. 17, 2021, 7 p.m. N/A N/A 15.4 ppb (15) N/A N/A 17.0 ppb (25) 50.0 ppb (47) 0.02 ppb (0) 32.0 μg/m3 (30) 17.5 μg/m3 (63) 63.0
 
Sept. 17, 2021, 6 p.m. N/A N/A 5.4 ppb (6) N/A N/A 1.0 ppb (2) 50.0 ppb (47) 0.0 ppb (0) 22.0 μg/m3 (21) 12.3 μg/m3 (52) 52.0
 
Sept. 17, 2021, 5 p.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) 22.0 μg/m3 (21) 11.6 μg/m3 (49) 49.0
 
Sept. 17, 2021, 4 p.m. N/A N/A 5.8 ppb (6) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) 22.0 μg/m3 (21) 12.8 μg/m3 (53) 53.0
 
Sept. 17, 2021, 3 p.m. N/A N/A 9.2 ppb (9) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 25.0 μg/m3 (24) 13.5 μg/m3 (54) 54.0
 
Sept. 17, 2021, 2 p.m. N/A N/A 15.2 ppb (15) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 24.0 μg/m3 (23) 13.9 μg/m3 (55) 55.0
 
Sept. 17, 2021, 1 p.m. N/A N/A 28.5 ppb (27) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 27.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
Sept. 17, 2021, noon N/A N/A 34.5 ppb (33) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 μg/m3 (21) 11.2 μg/m3 (47) 47.0
 
Sept. 17, 2021, 11 a.m. N/A N/A 44.5 ppb (42) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 22.0 μg/m3 (21) 11.7 μg/m3 (49) 49.0
 
Sept. 17, 2021, 10 a.m. N/A N/A 29.6 ppb (28) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 14.0 μg/m3 (13) 8.1 μg/m3 (34) 34.0
 
Sept. 17, 2021, 9 a.m. N/A N/A 36.0 ppb (34) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 34.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
Sept. 17, 2021, 7 a.m. N/A N/A 22.7 ppb (22) N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 6.5 μg/m3 (28) 28.0
 
Sept. 17, 2021, 6 a.m. N/A N/A 24.4 ppb (24) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
Sept. 17, 2021, 5 a.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 μg/m3 (8) 5.3 μg/m3 (23) 23.0
 
Sept. 17, 2021, 4 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
Sept. 17, 2021, 3 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 μg/m3 (8) 4.6 μg/m3 (20) 20.0
 
Sept. 17, 2021, 2 a.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 4.4 μg/m3 (19) 19.0
 
Sept. 17, 2021, 1 a.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 4.9 μg/m3 (21) 21.0
 
Sept. 17, 2021, midnight N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Sept. 16, 2021, 11 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
Sept. 16, 2021, 10 p.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 12.0 μg/m3 (12) 4.4 μg/m3 (19) 19.0
 
Sept. 16, 2021, 9 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
Sept. 16, 2021, 8 p.m. N/A N/A 4.5 ppb (5) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 μg/m3 (10) 3.6 μg/m3 (16) 16.0
 
Sept. 16, 2021, 7 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 11.0 μg/m3 (11) 3.8 μg/m3 (16) 16.0
 
Sept. 16, 2021, 6 p.m. N/A N/A 3.5 ppb (4) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 12.0 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
Sept. 16, 2021, 5 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 8.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 9.0 μg/m3 (9) 3.6 μg/m3 (16) 16.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 10.0 μg/m3 (10) 3.9 μg/m3 (17) 17.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 22.0 μg/m3 (21) 7.5 μg/m3 (32) 32.0
 
Sept. 16, 2021, noon N/A N/A 74.6 ppb (73) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 55.0 μg/m3 (51) 17.3 μg/m3 (62) 73.0
 
Sept. 16, 2021, 11 a.m. N/A N/A 78.5 ppb (78) N/A N/A 1.0 ppb (2) -4.0 ppb (0) 0.0 ppb (0) 29.0 μg/m3 (27) 12.9 μg/m3 (53) 78.0
 
Sept. 16, 2021, 10 a.m. N/A N/A 68.0 ppb (66) N/A N/A 1.0 ppb (2) -4.0 ppb (0) 0.0 ppb (0) 37.0 μg/m3 (35) 14.1 μg/m3 (56) 66.0
 
Sept. 16, 2021, 9 a.m. N/A N/A 65.6 ppb (64) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 30.0 μg/m3 (28) 10.0 μg/m3 (42) 64.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) -4.0 ppb (0) 0.0 ppb (0) 15.0 μg/m3 (14) 8.5 μg/m3 (36) 36.0
 
Sept. 16, 2021, 7 a.m. N/A N/A 41.2 ppb (39) N/A N/A N/A 0.0 ppb (0) N/A 17.0 μg/m3 (16) 9.6 μg/m3 (40) 40.0
 
Sept. 16, 2021, 6 a.m. N/A N/A 35.3 ppb (34) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.0 ppb (0) 14.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
Sept. 16, 2021, 5 a.m. N/A N/A 21.2 ppb (20) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 25.0
 
Sept. 16, 2021, 4 a.m. N/A N/A 11.7 ppb (12) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
Sept. 16, 2021, 3 a.m. N/A N/A 31.0 ppb (30) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 26.0 μg/m3 (25) 12.3 μg/m3 (52) 52.0
 
Sept. 16, 2021, 2 a.m. N/A N/A 54.5 ppb (52) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 22.0 μg/m3 (21) 11.8 μg/m3 (50) 52.0
 
Sept. 16, 2021, 1 a.m. N/A N/A 35.0 ppb (34) N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.0 ppb (0) 17.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
Sept. 16, 2021, midnight N/A N/A 20.3 ppb (20) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 11 p.m. N/A N/A 15.5 ppb (15) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 15, 2021, 10 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 31.0
 
Sept. 15, 2021, 9 p.m. N/A N/A 8.3 ppb (8) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 10.0 μg/m3 (10) 4.9 μg/m3 (21) 32.0
 
Sept. 15, 2021, 8 p.m. N/A N/A 10.3 ppb (10) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 31.0
 
Sept. 15, 2021, 7 p.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 10.0 μg/m3 (10) 4.1 μg/m3 (18) 29.0
 
Sept. 15, 2021, 6 p.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 9.0 μg/m3 (9) 3.9 μg/m3 (17) 26.0
 
Sept. 15, 2021, 5 p.m. N/A N/A 12.0 ppb (12) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 11.0 μg/m3 (11) 4.6 μg/m3 (20) 23.0
 
Sept. 15, 2021, 4 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) 12.0 μg/m3 (12) 4.7 μg/m3 (20) 22.0
 
Sept. 15, 2021, 3 p.m. N/A N/A 12.6 ppb (12) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 12.0 μg/m3 (12) 4.3 μg/m3 (18) 20.0
 
Sept. 15, 2021, 2 p.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 12.0 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
Sept. 15, 2021, 1 p.m. N/A N/A 17.1 ppb (17) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 16.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2021, noon N/A N/A 30.3 ppb (29) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) 19.0 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 11 a.m. N/A N/A 38.3 ppb (37) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 19.0 μg/m3 (18) 7.2 μg/m3 (31) 37.0
 
Sept. 15, 2021, 10 a.m. N/A N/A 32.9 ppb (32) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 17.0 μg/m3 (16) 7.0 μg/m3 (30) 32.0
 
Sept. 15, 2021, 9 a.m. N/A N/A 18.4 ppb (18) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 17.0 μg/m3 (16) 6.8 μg/m3 (29) 29.0
 
Sept. 15, 2021, 7 a.m. N/A N/A 5.9 ppb (6) N/A N/A N/A 16.0 ppb (15) N/A 16.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
Sept. 15, 2021, 6 a.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
Sept. 15, 2021, 5 a.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 17.0 μg/m3 (16) 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2021, 4 a.m. N/A N/A 9.3 ppb (9) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 14.0 μg/m3 (13) 7.5 μg/m3 (32) 32.0
 
Sept. 15, 2021, 3 a.m. N/A N/A 6.2 ppb (6) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Sept. 15, 2021, 2 a.m. N/A N/A 9.4 ppb (9) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
Sept. 15, 2021, 1 a.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 19.0 μg/m3 (18) 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2021, midnight N/A N/A 4.6 ppb (5) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.0 ppb (0) 32.0 μg/m3 (30) 10.5 μg/m3 (44) 44.0
 
Sept. 14, 2021, 11 p.m. N/A N/A 8.6 ppb (9) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 29.0 μg/m3 (27) 10.9 μg/m3 (46) 46.0
 
Sept. 14, 2021, 10 p.m. N/A N/A 10.5 ppb (10) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 34.0 μg/m3 (32) 12.6 μg/m3 (53) 53.0
 
Sept. 14, 2021, 9 p.m. N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 30.0 μg/m3 (28) 12.8 μg/m3 (53) 53.0
 
Sept. 14, 2021, 8 p.m. N/A N/A 11.1 ppb (11) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 43.0 μg/m3 (40) 13.2 μg/m3 (54) 54.0
 
Sept. 14, 2021, 7 p.m. N/A N/A 9.0 ppb (9) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 40.0 μg/m3 (38) 12.4 μg/m3 (52) 52.0
 
Sept. 14, 2021, 6 p.m. N/A N/A 7.1 ppb (7) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 38.0 μg/m3 (36) 12.4 μg/m3 (52) 52.0
 
Sept. 14, 2021, 5 p.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 36.0 μg/m3 (34) 12.0 μg/m3 (50) 50.0
 
Sept. 14, 2021, 4 p.m. N/A N/A 6.9 ppb (7) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) 32.0 μg/m3 (30) 12.9 μg/m3 (53) 53.0
 
Sept. 14, 2021, 3 p.m. N/A N/A 7.9 ppb (8) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) 31.0 μg/m3 (29) 14.3 μg/m3 (56) 56.0
 
Sept. 14, 2021, 2 p.m. N/A N/A 10.3 ppb (10) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) 32.0 μg/m3 (30) 17.2 μg/m3 (62) 62.0
 
Sept. 14, 2021, 1 p.m. N/A N/A 13.7 ppb (13) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 34.0 μg/m3 (32) 18.0 μg/m3 (64) 64.0
 
Sept. 14, 2021, noon N/A N/A 18.8 ppb (18) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 31.0 μg/m3 (29) 18.1 μg/m3 (64) 64.0
 
Sept. 14, 2021, 11 a.m. N/A N/A 14.6 ppb (14) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 23.0 μg/m3 (22) 13.8 μg/m3 (55) 55.0
 
Sept. 14, 2021, 10 a.m. N/A N/A 6.9 ppb (7) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 15.0 μg/m3 (14) 10.7 μg/m3 (45) 45.0
 
Sept. 14, 2021, 9 a.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 14.0 μg/m3 (13) 10.5 μg/m3 (44) 44.0
 
Sept. 14, 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) 16.0 μg/m3 (15) 11.3 μg/m3 (48) 48.0
 
Sept. 14, 2021, 7 a.m. N/A N/A 2.7 ppb (3) N/A N/A N/A 25.0 ppb (24) N/A 20.0 μg/m3 (19) 12.3 μg/m3 (52) 52.0
 
Sept. 14, 2021, 6 a.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 18.0 μg/m3 (17) 10.6 μg/m3 (45) 45.0
 
Sept. 14, 2021, 5 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 14.0 μg/m3 (13) 7.8 μg/m3 (33) 33.0
 
Sept. 14, 2021, 4 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 13.0 μg/m3 (13) 6.6 μg/m3 (28) 28.0
 
Sept. 14, 2021, 3 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) 13.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Sept. 14, 2021, 2 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 12.0 μg/m3 (12) 7.0 μg/m3 (30) 30.0
 
Sept. 14, 2021, 1 a.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 18.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
Sept. 14, 2021, midnight N/A N/A 11.0 ppb (11) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
Sept. 13, 2021, 11 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) 17.0 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
Sept. 13, 2021, 10 p.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 16.0 μg/m3 (15) 7.2 μg/m3 (31) 31.0
 
Sept. 13, 2021, 9 p.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.0 ppb (0) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Sept. 13, 2021, 8 p.m. N/A N/A 6.2 ppb (6) N/A N/A 1.0 ppb (2) 26.0 ppb (25) 0.0 ppb (0) 17.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
Sept. 13, 2021, 7 p.m. N/A N/A 10.8 ppb (11) N/A N/A 1.0 ppb (2) 22.0 ppb (21) 0.0 ppb (0) 29.0 μg/m3 (27) 9.3 μg/m3 (39) 39.0
 
Sept. 13, 2021, 6 p.m. N/A N/A 13.7 ppb (13) N/A N/A 1.0 ppb (2) 19.0 ppb (18) 0.0 ppb (0) 40.0 μg/m3 (38) 13.1 μg/m3 (54) 54.0
 
Sept. 13, 2021, 5 p.m. N/A N/A 4.4 ppb (5) N/A N/A N/A 26.0 ppb (25) N/A 26.0 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
Sept. 13, 2021, 4 p.m. N/A N/A 3.6 ppb (4) N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 10.4 μg/m3 (44) 44.0
 
Sept. 13, 2021, 3 p.m. N/A N/A 3.5 ppb (4) N/A N/A 1.0 ppb (2) N/A 0.0 ppb (0) 20.0 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
Sept. 13, 2021, 2 p.m. N/A N/A 4.9 ppb (5) N/A N/A 2.0 ppb (3) 25.0 ppb (24) 0.0 ppb (0) 19.0 μg/m3 (18) 10.1 μg/m3 (43) 43.0
 
Sept. 13, 2021, 1 p.m. N/A N/A 11.8 ppb (12) N/A N/A 2.0 ppb (3) 15.0 ppb (14) 0.0 ppb (0) 29.0 μg/m3 (27) 12.9 μg/m3 (53) 53.0
 
Sept. 13, 2021, noon N/A N/A 20.3 ppb (20) N/A N/A 1.0 ppb (2) 8.0 ppb (8) 0.0 ppb (0) 26.0 μg/m3 (25) 9.7 μg/m3 (41) 41.0
 
Sept. 13, 2021, 11 a.m. N/A N/A 11.0 ppb (11) N/A N/A 1.0 ppb (2) 11.0 ppb (11) 0.0 ppb (0) 19.0 μg/m3 (18) 9.7 μg/m3 (41) 41.0
 
Sept. 13, 2021, 10 a.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.0 ppb (0) 29.0 μg/m3 (27) 9.0 μg/m3 (38) 38.0
 
Sept. 13, 2021, 9 a.m. N/A N/A 9.2 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 17.0 μg/m3 (16) 8.3 μg/m3 (35) 35.0
 
Sept. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 11.0 ppb (11) 0.0 ppb (0) 15.0 μg/m3 (14) 9.7 μg/m3 (41) 41.0
 
Sept. 13, 2021, 7 a.m. N/A N/A 7.8 ppb (8) N/A N/A N/A 14.0 ppb (13) N/A 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
Sept. 13, 2021, 6 a.m. N/A N/A 8.3 ppb (8) N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.0 ppb (0) 21.0 μg/m3 (20) 12.4 μg/m3 (52) 52.0
 
Sept. 13, 2021, 5 a.m. N/A N/A 11.6 ppb (11) N/A N/A 2.0 ppb (3) 10.0 ppb (10) 0.0 ppb (0) 25.0 μg/m3 (24) 13.0 μg/m3 (53) 53.0
 
Sept. 13, 2021, 4 a.m. N/A N/A 12.2 ppb (12) N/A N/A 2.0 ppb (3) 13.0 ppb (13) 0.0 ppb (0) 27.0 μg/m3 (25) 13.7 μg/m3 (55) 55.0
 
Sept. 13, 2021, 3 a.m. N/A N/A 12.4 ppb (12) N/A N/A 2.0 ppb (3) 13.0 ppb (13) 0.0 ppb (0) 27.0 μg/m3 (25) 13.6 μg/m3 (55) 55.0
 
Sept. 13, 2021, 2 a.m. N/A N/A 23.4 ppb (23) N/A N/A 2.0 ppb (3) 7.0 ppb (7) 0.0 ppb (0) 70.0 μg/m3 (59) 44.5 μg/m3 (124) 124.0
 
Sept. 13, 2021, 1 a.m. N/A N/A 18.1 ppb (18) N/A N/A 1.0 ppb (2) 14.0 ppb (13) 0.0 ppb (0) 35.0 μg/m3 (33) 18.1 μg/m3 (64) 64.0
 
Sept. 13, 2021, midnight N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 37.0 μg/m3 (35) 19.6 μg/m3 (67) 67.0
 
Sept. 12, 2021, 11 p.m. N/A N/A 5.8 ppb (6) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) 41.0 μg/m3 (38) 20.5 μg/m3 (69) 69.0
 
Sept. 12, 2021, 10 p.m. N/A N/A 8.3 ppb (8) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) 41.0 μg/m3 (38) 19.4 μg/m3 (67) 67.0
 
Sept. 12, 2021, 9 p.m. N/A N/A 8.3 ppb (8) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) 42.0 μg/m3 (39) 18.8 μg/m3 (66) 66.0
 
Sept. 12, 2021, 8 p.m. N/A N/A 4.5 ppb (5) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) 43.0 μg/m3 (40) 18.2 μg/m3 (64) 64.0
 
Sept. 12, 2021, 7 p.m. N/A N/A 4.2 ppb (4) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) 39.0 μg/m3 (37) 17.7 μg/m3 (63) 63.0
 
Sept. 12, 2021, 6 p.m. N/A N/A 4.1 ppb (4) N/A N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) 37.0 μg/m3 (35) 17.1 μg/m3 (62) 62.0
 
Sept. 12, 2021, 5 p.m. N/A N/A 4.2 ppb (4) N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.0 ppb (0) 38.0 μg/m3 (36) 16.2 μg/m3 (60) 60.0
 
Sept. 12, 2021, 4 p.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.0 ppb (0) 38.0 μg/m3 (36) 15.9 μg/m3 (59) 59.0
 
Sept. 12, 2021, 3 p.m. N/A N/A 3.6 ppb (4) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.0 ppb (0) 35.0 μg/m3 (33) 15.3 μg/m3 (58) 58.0
 
Sept. 12, 2021, 2 p.m. N/A N/A 3.4 ppb (4) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.0 ppb (0) 34.0 μg/m3 (32) 15.1 μg/m3 (58) 58.0
 
Sept. 12, 2021, 1 p.m. N/A N/A 3.6 ppb (4) N/A N/A 1.0 ppb (2) 29.0 ppb (27) 0.0 ppb (0) 32.0 μg/m3 (30) 13.9 μg/m3 (55) 55.0
 
Sept. 12, 2021, noon N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 31.0 μg/m3 (29) 13.2 μg/m3 (54) 54.0
 
Sept. 12, 2021, 11 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 28.0 μg/m3 (26) 13.1 μg/m3 (54) 54.0
 
Sept. 12, 2021, 10 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 29.0 μg/m3 (27) 13.2 μg/m3 (54) 54.0
 
Sept. 12, 2021, 9 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 μg/m3 (28) 12.6 μg/m3 (53) 53.0
 
Sept. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 31.0 μg/m3 (29) 12.5 μg/m3 (52) 52.0
 
Sept. 12, 2021, 7 a.m. N/A N/A 2.3 ppb (3) N/A N/A N/A 34.0 ppb (32) N/A 29.0 μg/m3 (27) 12.2 μg/m3 (52) 52.0
 
Sept. 12, 2021, 6 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2021, 5 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 32.0 μg/m3 (30) 11.6 μg/m3 (49) 49.0
 
Sept. 12, 2021, 4 a.m. N/A N/A 2.3 ppb (3) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.0 ppb (0) 31.0 μg/m3 (29) 11.2 μg/m3 (47) 47.0
 
Sept. 12, 2021, 3 a.m. N/A N/A 3.2 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 33.0 μg/m3 (31) 11.3 μg/m3 (48) 48.0
 
Sept. 12, 2021, 2 a.m. N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 34.0 μg/m3 (32) 11.7 μg/m3 (49) 49.0
 
Sept. 12, 2021, 1 a.m. N/A N/A 5.2 ppb (5) N/A N/A 1.0 ppb (2) 39.0 ppb (37) 0.0 ppb (0) 32.0 μg/m3 (30) 11.4 μg/m3 (48) 48.0
 
Sept. 12, 2021, midnight N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) 35.0 μg/m3 (33) 11.3 μg/m3 (48) 48.0
 
Sept. 11, 2021, 11 p.m. N/A N/A 5.3 ppb (5) N/A N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) 34.0 μg/m3 (32) 10.3 μg/m3 (43) 43.0
 
Sept. 11, 2021, 10 p.m. N/A N/A 4.8 ppb (5) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) 33.0 μg/m3 (31) 10.1 μg/m3 (43) 43.0
 
Sept. 11, 2021, 9 p.m. N/A N/A 4.1 ppb (4) N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.0 ppb (0) 36.0 μg/m3 (34) 10.1 μg/m3 (43) 43.0
 
Sept. 11, 2021, 8 p.m. N/A N/A 3.5 ppb (4) N/A N/A 1.0 ppb (2) 47.0 ppb (44) 0.0 ppb (0) 34.0 μg/m3 (32) 9.9 μg/m3 (42) 44.0
 
Sept. 11, 2021, 7 p.m. N/A N/A 4.9 ppb (5) N/A N/A 1.0 ppb (2) 47.0 ppb (44) 0.0 ppb (0) 32.0 μg/m3 (30) 9.7 μg/m3 (41) 44.0
 
Sept. 11, 2021, 6 p.m. N/A N/A 3.6 ppb (4) N/A N/A 1.0 ppb (2) 48.0 ppb (45) 0.0 ppb (0) 31.0 μg/m3 (29) 8.7 μg/m3 (37) 45.0
 
Sept. 11, 2021, 5 p.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (2) 45.0 ppb (42) 0.0 ppb (0) 28.0 μg/m3 (26) 7.6 μg/m3 (32) 42.0
 
Sept. 11, 2021, 4 p.m. N/A N/A 4.4 ppb (5) N/A N/A 1.0 ppb (2) 41.0 ppb (38) 0.0 ppb (0) 23.0 μg/m3 (22) 7.3 μg/m3 (31) 38.0
 
Sept. 11, 2021, 3 p.m. N/A N/A 6.5 ppb (7) N/A N/A 1.0 ppb (2) 37.0 ppb (35) 0.0 ppb (0) 22.0 μg/m3 (21) 7.7 μg/m3 (33) 35.0
 
Sept. 11, 2021, 2 p.m. N/A N/A 7.2 ppb (7) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) 17.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
Sept. 11, 2021, 1 p.m. N/A N/A 10.8 ppb (11) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) 18.0 μg/m3 (17) 7.5 μg/m3 (32) 32.0
 
Sept. 11, 2021, noon N/A N/A 10.0 ppb (10) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.0 ppb (0) 15.0 μg/m3 (14) 7.1 μg/m3 (30) 30.0
 
Sept. 11, 2021, 11 a.m. N/A N/A 14.1 ppb (14) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
Sept. 11, 2021, 10 a.m. N/A N/A 11.5 ppb (11) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 12.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Sept. 11, 2021, 9 a.m. N/A N/A 7.7 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 13.0 μg/m3 (13) 6.7 μg/m3 (28) 28.0
 
Sept. 11, 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) 16.0 μg/m3 (15) 7.2 μg/m3 (31) 31.0