ID: 509

AQSQID: 261630001

Site Name: Allen Park

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

Updated: Sept. 28, 2020, 7:39 a.m.

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 36.0

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. 21, 2020, 6 a.m. N/A N/A 29.6 ppb (27) N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 27.0
 
Sept. 21, 2020, 5 a.m. N/A N/A 23.9 ppb (22) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 5.0 μg/m3 (21) 22.0
 
Sept. 21, 2020, 4 a.m. N/A N/A 6.4 ppb (6) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 21, 2020, 3 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 21, 2020, 2 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 21, 2020, 1 a.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 21.0
 
Sept. 21, 2020, midnight N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
Sept. 20, 2020, 11 p.m. N/A N/A 3.2 ppb (3) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 24.0
 
Sept. 20, 2020, 10 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 4.6 μg/m3 (19) 25.0
 
Sept. 20, 2020, 9 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 26.0
 
Sept. 20, 2020, 8 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 26.0
 
Sept. 20, 2020, 7 p.m. N/A N/A 1.2 ppb (1) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A -0.5 μg/m3 (0) 26.0
 
Sept. 20, 2020, 6 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A 1.7 μg/m3 (7) 26.0
 
Sept. 20, 2020, 5 p.m. N/A N/A 1.5 ppb (1) N/A N/A 1.0 ppb (1) 33.0 ppb (25) 0.0 ppb (0) N/A 0.3 μg/m3 (1) 25.0
 
Sept. 20, 2020, 4 p.m. N/A N/A 1.3 ppb (1) N/A N/A 1.0 ppb (1) 32.0 ppb (25) 0.0 ppb (0) N/A 2.0 μg/m3 (8) 25.0
 
Sept. 20, 2020, 3 p.m. N/A N/A 1.4 ppb (1) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 24.0
 
Sept. 20, 2020, 2 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (1) 26.0 ppb (20) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 20, 2020, 1 p.m. N/A N/A 16.6 ppb (15) N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2020, noon N/A N/A 56.6 ppb (53) N/A N/A 1.0 ppb (1) 2.0 ppb (2) 0.0 ppb (0) N/A 11.3 μg/m3 (47) 53.0
 
Sept. 20, 2020, 11 a.m. N/A N/A 62.7 ppb (59) N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.0 ppb (0) N/A 16.7 μg/m3 (60) 60.0
 
Sept. 20, 2020, 10 a.m. N/A N/A 59.2 ppb (56) N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.0 ppb (0) N/A 21.2 μg/m3 (70) 70.0
 
Sept. 20, 2020, 9 a.m. N/A N/A 59.4 ppb (56) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 16.7 μg/m3 (60) 60.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.0 ppb (0) N/A 20.1 μg/m3 (67) 67.0
 
Sept. 20, 2020, 7 a.m. N/A N/A 44.9 ppb (42) N/A N/A N/A 0.0 ppb (0) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 20, 2020, 6 a.m. N/A N/A 35.7 ppb (33) N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) N/A 21.4 μg/m3 (70) 70.0
 
Sept. 20, 2020, 5 a.m. N/A N/A 38.5 ppb (36) N/A N/A 1.0 ppb (1) 1.0 ppb (1) 0.0 ppb (0) N/A 20.9 μg/m3 (69) 69.0
 
Sept. 20, 2020, 4 a.m. N/A N/A 26.8 ppb (25) N/A N/A 1.0 ppb (1) 5.0 ppb (4) 0.0 ppb (0) N/A 22.8 μg/m3 (73) 73.0
 
Sept. 20, 2020, 3 a.m. N/A N/A 16.4 ppb (15) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.0 ppb (0) N/A 18.4 μg/m3 (64) 64.0
 
Sept. 20, 2020, 2 a.m. N/A N/A 15.0 ppb (14) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.0 ppb (0) N/A 13.9 μg/m3 (54) 54.0
 
Sept. 20, 2020, 1 a.m. N/A N/A 11.2 ppb (10) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.0 ppb (0) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 20, 2020, midnight N/A N/A 5.9 ppb (5) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A -2.3 μg/m3 (0) 22.0
 
Sept. 19, 2020, 11 p.m. N/A N/A 8.3 ppb (8) N/A N/A 2.0 ppb (3) 32.0 ppb (25) 0.0 ppb (0) N/A -3.8 μg/m3 (0) 25.0
 
Sept. 19, 2020, 10 p.m. N/A N/A 8.8 ppb (8) N/A N/A 4.0 ppb (6) 34.0 ppb (26) 0.0 ppb (0) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 19, 2020, 9 p.m. N/A N/A 9.4 ppb (9) N/A N/A 4.0 ppb (6) 34.0 ppb (26) 0.0 ppb (0) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 19, 2020, 8 p.m. N/A N/A 7.0 ppb (6) N/A N/A 2.0 ppb (3) 35.0 ppb (27) 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 19, 2020, 7 p.m. N/A N/A 5.4 ppb (5) N/A N/A 2.0 ppb (3) 35.0 ppb (27) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 27.0
 
Sept. 19, 2020, 6 p.m. N/A N/A 5.5 ppb (5) N/A N/A 2.0 ppb (3) 33.0 ppb (25) 0.0 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 19, 2020, 5 p.m. N/A N/A 4.4 ppb (4) N/A N/A 2.0 ppb (3) 31.0 ppb (24) 0.0 ppb (0) N/A 0.4 μg/m3 (2) 24.0
 
Sept. 19, 2020, 4 p.m. N/A N/A 2.8 ppb (3) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) N/A 14.5 μg/m3 (55) 55.0
 
Sept. 19, 2020, 3 p.m. N/A N/A 11.7 ppb (11) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 2.9 μg/m3 (12) 16.0
 
Sept. 19, 2020, 2 p.m. N/A N/A 20.0 ppb (19) N/A N/A 3.0 ppb (4) 16.0 ppb (12) 0.0 ppb (0) N/A -0.8 μg/m3 (0) 19.0
 
Sept. 19, 2020, 1 p.m. N/A N/A 30.6 ppb (28) N/A N/A 3.0 ppb (4) 10.0 ppb (8) 0.0 ppb (0) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 19, 2020, noon N/A N/A 47.2 ppb (44) N/A N/A 1.0 ppb (1) 2.0 ppb (2) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 44.0
 
Sept. 19, 2020, 11 a.m. N/A N/A 45.7 ppb (42) N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.0 ppb (0) N/A 6.1 μg/m3 (25) 42.0
 
Sept. 19, 2020, 10 a.m. N/A N/A 47.6 ppb (44) N/A N/A 1.0 ppb (1) 0.0 ppb (0) 0.0 ppb (0) N/A 5.6 μg/m3 (23) 44.0
 
Sept. 19, 2020, 9 a.m. N/A N/A 50.3 ppb (47) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 4.3 μg/m3 (18) 47.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 19, 2020, 7 a.m. N/A N/A 17.6 ppb (16) N/A N/A N/A 4.0 ppb (3) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 19, 2020, 6 a.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 19, 2020, 5 a.m. N/A N/A 17.2 ppb (16) N/A N/A 0.0 ppb (0) 6.0 ppb (5) 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 19, 2020, 4 a.m. N/A N/A 16.3 ppb (15) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 19, 2020, 3 a.m. N/A N/A 14.2 ppb (13) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.0 ppb (0) N/A 12.2 μg/m3 (50) 50.0
 
Sept. 19, 2020, 2 a.m. N/A N/A 9.9 ppb (9) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.0 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 19, 2020, 1 a.m. N/A N/A 5.1 ppb (5) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.0 ppb (0) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 19, 2020, midnight N/A N/A 8.9 ppb (8) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 15.0
 
Sept. 18, 2020, 11 p.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 27.0
 
Sept. 18, 2020, 10 p.m. N/A N/A 6.3 ppb (6) 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
 
Sept. 18, 2020, 9 p.m. N/A N/A 5.7 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 22.0
 
Sept. 18, 2020, 8 p.m. N/A N/A 5.7 ppb (5) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.0 ppb (0) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 18, 2020, 7 p.m. N/A N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 18, 2020, 6 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 18, 2020, 5 p.m. N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2020, 4 p.m. N/A N/A 7.6 ppb (7) N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0
 
Sept. 18, 2020, 3 p.m. N/A N/A 6.8 ppb (6) N/A N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 6.1 μg/m3 (25) 32.0
 
Sept. 18, 2020, 2 p.m. N/A N/A 8.9 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.5 μg/m3 (15) 15.0
 
Sept. 18, 2020, 1 p.m. N/A N/A 12.2 ppb (11) N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0
 
Sept. 18, 2020, noon N/A N/A 15.9 ppb (15) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.9 μg/m3 (16) 16.0
 
Sept. 18, 2020, 11 a.m. N/A N/A 17.3 ppb (16) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 8.8 μg/m3 (37) 37.0
 
Sept. 18, 2020, 10 a.m. N/A N/A 12.9 ppb (12) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2020, 9 a.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 4.8 μg/m3 (20) 20.0
 
Sept. 18, 2020, 7 a.m. N/A N/A 3.8 ppb (4) N/A N/A N/A N/A N/A N/A 0.4 μg/m3 (2) 4.0
 
Sept. 18, 2020, 6 a.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 18, 2020, 5 a.m. N/A N/A 4.6 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2020, 4 a.m. N/A N/A 4.4 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 18, 2020, 3 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.7 μg/m3 (7) 7.0
 
Sept. 18, 2020, 2 a.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 7.7 μg/m3 (32) 32.0
 
Sept. 18, 2020, 1 a.m. N/A N/A 3.7 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.7 μg/m3 (11) 11.0
 
Sept. 18, 2020, midnight N/A N/A 4.7 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.1 μg/m3 (13) 13.0
 
Sept. 17, 2020, 11 p.m. N/A N/A 9.2 ppb (9) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A -1.1 μg/m3 (0) 9.0
 
Sept. 17, 2020, 10 p.m. N/A N/A 7.6 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.3 μg/m3 (5) 7.0
 
Sept. 17, 2020, 9 p.m. N/A N/A 6.8 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 7.5 μg/m3 (31) 31.0
 
Sept. 17, 2020, 8 p.m. N/A N/A 6.6 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 17, 2020, 7 p.m. N/A N/A 7.0 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 17, 2020, 6 p.m. N/A N/A 6.9 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 11.7 μg/m3 (49) 49.0
 
Sept. 17, 2020, 5 p.m. N/A N/A 7.6 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 4.4 μg/m3 (18) 18.0
 
Sept. 17, 2020, 4 p.m. N/A N/A 7.7 ppb (7) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 8.0 μg/m3 (33) 33.0
 
Sept. 17, 2020, 3 p.m. N/A N/A 8.5 ppb (8) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 8.5 μg/m3 (35) 35.0
 
Sept. 17, 2020, 2 p.m. N/A N/A 11.5 ppb (11) N/A N/A 1.0 ppb (1) N/A 0.0 ppb (0) N/A 5.7 μg/m3 (24) 24.0
 
Sept. 17, 2020, 1 p.m. N/A N/A 11.6 ppb (11) N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2020, noon N/A N/A 12.2 ppb (11) N/A N/A 1.0 ppb (1) 15.0 ppb (12) 0.0 ppb (0) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 11 a.m. N/A N/A 11.1 ppb (10) N/A N/A 1.0 ppb (1) 14.0 ppb (11) 0.0 ppb (0) N/A 13.6 μg/m3 (53) 53.0
 
Sept. 17, 2020, 10 a.m. N/A N/A 10.3 ppb (10) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 22.0
 
Sept. 17, 2020, 9 a.m. N/A N/A 6.1 ppb (6) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 9.1 μg/m3 (38) 38.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 17, 2020, 7 a.m. N/A N/A 7.6 ppb (7) N/A N/A N/A 14.0 ppb (11) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 17, 2020, 6 a.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.0 ppb (0) N/A -1.9 μg/m3 (0) 15.0
 
Sept. 17, 2020, 5 a.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.0 ppb (0) N/A 19.4 μg/m3 (66) 66.0
 
Sept. 17, 2020, 4 a.m. N/A N/A 6.5 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) N/A 14.0 μg/m3 (54) 54.0
 
Sept. 17, 2020, 3 a.m. N/A N/A 13.5 ppb (12) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.0 ppb (0) N/A 4.1 μg/m3 (17) 23.0
 
Sept. 17, 2020, 2 a.m. N/A N/A 10.9 ppb (10) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.0 ppb (0) N/A 10.9 μg/m3 (45) 45.0
 
Sept. 17, 2020, 1 a.m. N/A N/A 25.3 ppb (23) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.0 ppb (0) N/A 12.6 μg/m3 (51) 51.0
 
Sept. 17, 2020, midnight N/A N/A 30.7 ppb (28) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.0 ppb (0) N/A 8.7 μg/m3 (36) 36.0
 
Sept. 16, 2020, 11 p.m. N/A N/A 21.3 ppb (20) N/A N/A 1.0 ppb (1) 29.0 ppb (22) 0.0 ppb (0) N/A 2.8 μg/m3 (12) 22.0
 
Sept. 16, 2020, 10 p.m. N/A N/A 13.0 ppb (12) N/A N/A 1.0 ppb (1) 37.0 ppb (28) 0.0 ppb (0) N/A 1.0 μg/m3 (4) 28.0
 
Sept. 16, 2020, 9 p.m. N/A N/A 7.4 ppb (7) N/A N/A 1.0 ppb (1) 44.0 ppb (34) 0.0 ppb (0) N/A 9.5 μg/m3 (40) 40.0
 
Sept. 16, 2020, 8 p.m. N/A N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) 43.0 ppb (33) 0.0 ppb (0) N/A 9.1 μg/m3 (38) 38.0
 
Sept. 16, 2020, 7 p.m. N/A N/A 8.5 ppb (8) N/A N/A 1.0 ppb (1) 41.0 ppb (32) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2020, 6 p.m. N/A N/A 8.1 ppb (8) N/A N/A 1.0 ppb (1) 38.0 ppb (29) 0.0 ppb (0) N/A -2.7 μg/m3 (0) 29.0
 
Sept. 16, 2020, 5 p.m. N/A N/A 8.1 ppb (8) N/A N/A 1.0 ppb (1) 34.0 ppb (26) 0.0 ppb (0) N/A -1.7 μg/m3 (0) 26.0
 
Sept. 16, 2020, 4 p.m. N/A N/A 10.0 ppb (9) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 10.7 μg/m3 (45) 45.0
 
Sept. 16, 2020, 3 p.m. N/A N/A 12.7 ppb (12) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 17.0
 
Sept. 16, 2020, 2 p.m. N/A N/A 13.1 ppb (12) N/A N/A 1.0 ppb (1) 19.0 ppb (15) 0.0 ppb (0) N/A 1.0 μg/m3 (4) 15.0
 
Sept. 16, 2020, 1 p.m. N/A N/A 21.8 ppb (20) N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 35.0
 
Sept. 16, 2020, noon N/A N/A 23.7 ppb (22) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 30.0
 
Sept. 16, 2020, 11 a.m. N/A N/A 36.0 ppb (33) N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.0 ppb (0) N/A 8.6 μg/m3 (36) 36.0
 
Sept. 16, 2020, 10 a.m. N/A N/A 24.5 ppb (23) N/A N/A 0.0 ppb (0) 7.0 ppb (5) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 16, 2020, 9 a.m. N/A N/A 12.8 ppb (12) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.0 ppb (0) N/A 9.9 μg/m3 (41) 41.0
 
Sept. 16, 2020, 7 a.m. N/A N/A 16.7 ppb (15) N/A N/A N/A 8.0 ppb (6) N/A N/A 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2020, 6 a.m. N/A N/A 18.4 ppb (17) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.0 ppb (0) N/A 10.1 μg/m3 (42) 42.0
 
Sept. 16, 2020, 5 a.m. N/A N/A 19.7 ppb (18) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.0 ppb (0) N/A 12.5 μg/m3 (51) 51.0
 
Sept. 16, 2020, 4 a.m. N/A N/A 18.6 ppb (17) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.0 ppb (0) N/A 1.7 μg/m3 (7) 17.0
 
Sept. 16, 2020, 3 a.m. N/A N/A 4.4 ppb (4) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 16, 2020, 2 a.m. N/A N/A 3.6 ppb (3) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 6.5 μg/m3 (27) 27.0
 
Sept. 16, 2020, 1 a.m. N/A N/A 4.7 ppb (4) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2020, midnight N/A N/A 5.5 ppb (5) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 15, 2020, 11 p.m. N/A N/A 5.0 ppb (5) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 22.0
 
Sept. 15, 2020, 10 p.m. N/A N/A 5.5 ppb (5) N/A N/A 1.0 ppb (1) 31.0 ppb (24) 0.0 ppb (0) N/A -0.9 μg/m3 (0) 24.0
 
Sept. 15, 2020, 9 p.m. N/A N/A 6.6 ppb (6) N/A N/A 1.0 ppb (1) 30.0 ppb (23) 0.0 ppb (0) N/A -0.3 μg/m3 (0) 23.0
 
Sept. 15, 2020, 8 p.m. N/A N/A 8.0 ppb (7) N/A N/A 1.0 ppb (1) 28.0 ppb (22) 0.0 ppb (0) N/A -1.6 μg/m3 (0) 22.0
 
Sept. 15, 2020, 7 p.m. N/A N/A 9.1 ppb (8) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 21.0
 
Sept. 15, 2020, 6 p.m. N/A N/A 8.9 ppb (8) N/A N/A 1.0 ppb (1) 27.0 ppb (21) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2020, 5 p.m. N/A N/A 6.1 ppb (6) N/A N/A 1.0 ppb (1) 25.0 ppb (19) 0.0 ppb (0) N/A 0.6 μg/m3 (2) 19.0
 
Sept. 15, 2020, 4 p.m. N/A N/A 5.8 ppb (5) N/A N/A 1.0 ppb (1) 22.0 ppb (17) 0.0 ppb (0) N/A 0.4 μg/m3 (2) 17.0
 
Sept. 15, 2020, 3 p.m. N/A N/A 11.7 ppb (11) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A -4.9 μg/m3 (0) 13.0
 
Sept. 15, 2020, 2 p.m. N/A N/A 18.5 ppb (17) N/A N/A 1.0 ppb (1) 13.0 ppb (10) 0.0 ppb (0) N/A 6.1 μg/m3 (25) 25.0
 
Sept. 15, 2020, 1 p.m. N/A N/A 41.7 ppb (39) N/A N/A 1.0 ppb (1) 6.0 ppb (5) 0.0 ppb (0) N/A 11.3 μg/m3 (47) 47.0
 
Sept. 15, 2020, noon N/A N/A 101.0 ppb (100) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 1.8 μg/m3 (8) 100.0
 
Sept. 15, 2020, 11 a.m. N/A N/A 22.2 ppb (21) N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 15, 2020, 10 a.m. N/A N/A 23.7 ppb (22) N/A N/A 1.0 ppb (1) 2.0 ppb (2) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 22.0
 
Sept. 15, 2020, 9 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 6.0 μg/m3 (25) 27.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 6.3 μg/m3 (26) 26.0
 
Sept. 15, 2020, 7 a.m. N/A N/A 47.6 ppb (44) N/A N/A N/A 2.0 ppb (2) N/A N/A 8.7 μg/m3 (36) 44.0
 
Sept. 15, 2020, 6 a.m. N/A N/A 26.3 ppb (24) N/A N/A 1.0 ppb (1) 4.0 ppb (3) 0.0 ppb (0) N/A 3.5 μg/m3 (15) 24.0
 
Sept. 15, 2020, 5 a.m. N/A N/A 19.3 ppb (18) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A -0.2 μg/m3 (0) 18.0
 
Sept. 15, 2020, 4 a.m. N/A N/A 34.7 ppb (32) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 13.9 μg/m3 (54) 54.0
 
Sept. 15, 2020, 3 a.m. N/A N/A 64.4 ppb (61) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 9.8 μg/m3 (41) 61.0
 
Sept. 15, 2020, 2 a.m. N/A N/A 65.6 ppb (62) N/A N/A 1.0 ppb (1) 3.0 ppb (2) 0.0 ppb (0) N/A 1.5 μg/m3 (6) 62.0
 
Sept. 15, 2020, 1 a.m. N/A N/A 38.9 ppb (36) N/A N/A 1.0 ppb (1) 5.0 ppb (4) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 36.0
 
Sept. 15, 2020, midnight N/A N/A 17.8 ppb (16) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.0 ppb (0) N/A 2.7 μg/m3 (11) 16.0
 
Sept. 14, 2020, 11 p.m. N/A N/A 5.8 ppb (5) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.0 ppb (0) N/A 7.3 μg/m3 (30) 30.0
 
Sept. 14, 2020, 10 p.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 16.0
 
Sept. 14, 2020, 9 p.m. N/A N/A 7.1 ppb (7) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 17.0
 
Sept. 14, 2020, 8 p.m. N/A N/A 8.0 ppb (7) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 14, 2020, 7 p.m. N/A N/A 7.7 ppb (7) N/A N/A 1.0 ppb (1) 21.0 ppb (16) 0.0 ppb (0) N/A 0.6 μg/m3 (2) 16.0
 
Sept. 14, 2020, 6 p.m. N/A N/A 8.5 ppb (8) N/A N/A 1.0 ppb (1) 20.0 ppb (15) 0.0 ppb (0) N/A 7.7 μg/m3 (32) 32.0
 
Sept. 14, 2020, 5 p.m. N/A N/A 9.9 ppb (9) N/A N/A 1.0 ppb (1) 17.0 ppb (13) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 13.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) 0.0 ppb (0) N/A 4.5 μg/m3 (19) 19.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 12.0 ppb (9) 0.0 ppb (0) N/A 0.1 μg/m3 (0) 9.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 8.0 ppb (6) 0.0 ppb (0) N/A 0.6 μg/m3 (2) 6.0
 
Sept. 14, 2020, 1 p.m. N/A N/A 21.2 ppb (20) N/A N/A 1.0 ppb (1) 7.0 ppb (5) 0.0 ppb (0) N/A 12.3 μg/m3 (51) 51.0
 
Sept. 14, 2020, noon N/A N/A 25.0 ppb (23) N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.0 ppb (0) N/A 23.6 μg/m3 (75) 75.0
 
Sept. 14, 2020, 11 a.m. N/A N/A 17.8 ppb (16) N/A N/A 0.0 ppb (0) 5.0 ppb (4) 0.0 ppb (0) N/A 11.5 μg/m3 (48) 48.0
 
Sept. 14, 2020, 10 a.m. N/A N/A 21.9 ppb (20) N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.0 ppb (0) N/A 4.4 μg/m3 (18) 20.0
 
Sept. 14, 2020, 9 a.m. N/A N/A 20.2 ppb (19) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) N/A 10.6 μg/m3 (44) 44.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (3) 0.0 ppb (0) N/A 11.3 μg/m3 (47) 47.0
 
Sept. 14, 2020, 7 a.m. N/A N/A 21.5 ppb (20) N/A N/A N/A 4.0 ppb (3) N/A N/A 8.7 μg/m3 (36) 36.0