ID: 509

AQSQID: 261630001

Site Name: Allen Park

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

Updated: July 28, 2021, 7:53 p.m.

Location: Allen Park (Goddard Rd), MI

Reporting: True, Located: True

Current AQI: 91.0

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
July 28, 2021, 6 p.m. N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 67.0 ppb (91) 0.0 ppb (0) 28.0 μg/m3 (26) 19.3 μg/m3 (67) 91.0
 
July 28, 2021, 5 p.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 66.0 ppb (87) 0.0 ppb (0) 27.0 μg/m3 (25) 18.6 μg/m3 (65) 87.0
 
July 28, 2021, 4 p.m. N/A N/A 8.8 ppb (9) N/A N/A 0.0 ppb (0) 62.0 ppb (74) 0.0 ppb (0) 30.0 μg/m3 (28) 18.9 μg/m3 (66) 74.0
 
July 28, 2021, 3 p.m. N/A N/A 10.9 ppb (11) N/A N/A 0.0 ppb (0) 52.0 ppb (49) 0.0 ppb (0) 31.0 μg/m3 (29) 17.6 μg/m3 (63) 63.0
 
July 28, 2021, 2 p.m. N/A N/A 12.1 ppb (12) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.0 ppb (0) 29.0 μg/m3 (27) 18.0 μg/m3 (64) 64.0
 
July 28, 2021, 1 p.m. N/A N/A 14.1 ppb (14) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 27.0 μg/m3 (25) 17.5 μg/m3 (63) 63.0
 
July 28, 2021, noon N/A N/A 27.2 ppb (26) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 31.0 μg/m3 (29) 18.2 μg/m3 (64) 64.0
 
July 28, 2021, 11 a.m. N/A N/A 32.6 ppb (31) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 31.0 μg/m3 (29) 17.7 μg/m3 (63) 63.0
 
July 28, 2021, 10 a.m. N/A N/A 23.4 ppb (23) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 26.0 μg/m3 (25) 16.5 μg/m3 (61) 61.0
 
July 28, 2021, 9 a.m. N/A N/A 17.4 ppb (17) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 μg/m3 (24) 16.4 μg/m3 (61) 61.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 28.0 μg/m3 (26) 16.5 μg/m3 (61) 61.0
 
July 28, 2021, 7 a.m. N/A N/A 19.5 ppb (19) N/A N/A N/A 21.0 ppb (20) N/A 37.0 μg/m3 (35) 18.1 μg/m3 (64) 64.0
 
July 28, 2021, 6 a.m. N/A N/A 20.4 ppb (20) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 34.0 μg/m3 (32) 19.1 μg/m3 (66) 66.0
 
July 28, 2021, 5 a.m. N/A N/A 16.2 ppb (16) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 31.0 μg/m3 (29) 18.9 μg/m3 (66) 66.0
 
July 28, 2021, 4 a.m. N/A N/A 20.5 ppb (20) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 32.0 μg/m3 (30) 19.1 μg/m3 (66) 66.0
 
July 28, 2021, 3 a.m. N/A N/A 33.0 ppb (32) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 34.0 μg/m3 (32) 19.2 μg/m3 (66) 66.0
 
July 28, 2021, 2 a.m. N/A N/A 36.1 ppb (35) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 29.0 μg/m3 (27) 17.6 μg/m3 (63) 63.0
 
July 28, 2021, 1 a.m. N/A N/A 22.8 ppb (22) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, midnight N/A N/A 15.1 ppb (15) N/A N/A 0.0 ppb (0) 51.0 ppb (48) 0.0 ppb (0) 22.0 μg/m3 (21) 14.0 μg/m3 (55) 55.0
 
July 27, 2021, 11 p.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 60.0 ppb (68) 0.0 ppb (0) 20.0 μg/m3 (19) 13.1 μg/m3 (54) 68.0
 
July 27, 2021, 10 p.m. N/A N/A 8.4 ppb (8) N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.0 ppb (0) 20.0 μg/m3 (19) 12.8 μg/m3 (53) 65.0
 
July 27, 2021, 9 p.m. N/A N/A 8.0 ppb (8) N/A N/A 0.0 ppb (0) 59.0 ppb (65) 0.0 ppb (0) 26.0 μg/m3 (25) 13.5 μg/m3 (54) 65.0
 
July 27, 2021, 8 p.m. N/A N/A 8.7 ppb (9) N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.0 ppb (0) 26.0 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
July 27, 2021, 7 p.m. N/A N/A 8.8 ppb (9) N/A N/A 0.0 ppb (0) 56.0 ppb (55) 0.0 ppb (0) 28.0 μg/m3 (26) 16.3 μg/m3 (60) 60.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 54.0 ppb (50) 0.0 ppb (0) 30.0 μg/m3 (28) 17.8 μg/m3 (63) 63.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) 33.0 μg/m3 (31) 17.2 μg/m3 (62) 62.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) 35.0 μg/m3 (33) 18.0 μg/m3 (64) 64.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) 40.0 μg/m3 (38) 18.5 μg/m3 (65) 65.0
 
July 27, 2021, 2 p.m. N/A N/A 14.7 ppb (14) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 43.0 μg/m3 (40) 16.6 μg/m3 (61) 61.0
 
July 27, 2021, 1 p.m. N/A N/A 18.9 ppb (18) N/A N/A 1.0 ppb (2) 23.0 ppb (22) 0.0 ppb (0) 42.0 μg/m3 (39) 15.3 μg/m3 (58) 58.0
 
July 27, 2021, noon N/A N/A 25.8 ppb (25) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 38.0 μg/m3 (36) 13.8 μg/m3 (55) 55.0
 
July 27, 2021, 11 a.m. N/A N/A 30.4 ppb (29) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 50.0 μg/m3 (47) 14.3 μg/m3 (56) 56.0
 
July 27, 2021, 10 a.m. N/A N/A 30.1 ppb (29) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 34.0 μg/m3 (32) 13.3 μg/m3 (54) 54.0
 
July 27, 2021, 9 a.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 μg/m3 (28) 13.2 μg/m3 (54) 54.0
 
July 27, 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) 28.0 μg/m3 (26) 14.5 μg/m3 (57) 57.0
 
July 27, 2021, 7 a.m. N/A N/A 17.0 ppb (17) N/A N/A N/A 12.0 ppb (12) N/A 27.0 μg/m3 (25) 14.9 μg/m3 (57) 57.0
 
July 27, 2021, 6 a.m. N/A N/A 14.8 ppb (14) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 27.0 μg/m3 (25) 14.7 μg/m3 (57) 57.0
 
July 27, 2021, 5 a.m. N/A N/A 13.6 ppb (13) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.0 ppb (0) 28.0 μg/m3 (26) 14.3 μg/m3 (56) 56.0
 
July 27, 2021, 4 a.m. N/A N/A 15.2 ppb (15) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 29.0 μg/m3 (27) 14.6 μg/m3 (57) 57.0
 
July 27, 2021, 3 a.m. N/A N/A 18.8 ppb (18) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 30.0 μg/m3 (28) 15.3 μg/m3 (58) 58.0
 
July 27, 2021, 2 a.m. N/A N/A 28.5 ppb (27) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.0 ppb (0) 35.0 μg/m3 (33) 16.2 μg/m3 (60) 60.0
 
July 27, 2021, 1 a.m. N/A N/A 26.2 ppb (25) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 34.0 μg/m3 (32) 15.7 μg/m3 (59) 59.0
 
July 27, 2021, midnight N/A N/A 16.5 ppb (16) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 30.0 μg/m3 (28) 13.6 μg/m3 (55) 55.0
 
July 26, 2021, 11 p.m. N/A N/A 8.5 ppb (9) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) 27.0 μg/m3 (25) 12.8 μg/m3 (53) 53.0
 
July 26, 2021, 10 p.m. N/A N/A 5.5 ppb (6) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) 24.0 μg/m3 (23) 12.7 μg/m3 (53) 53.0
 
July 26, 2021, 9 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) 25.0 μg/m3 (24) 12.4 μg/m3 (52) 52.0
 
July 26, 2021, 8 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) 23.0 μg/m3 (22) 12.0 μg/m3 (50) 50.0
 
July 26, 2021, 7 p.m. N/A N/A 5.6 ppb (6) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
July 26, 2021, 6 p.m. N/A N/A 6.7 ppb (7) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) 31.0 μg/m3 (29) 12.8 μg/m3 (53) 53.0
 
July 26, 2021, 5 p.m. N/A N/A 6.6 ppb (7) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 29.0 μg/m3 (27) 13.7 μg/m3 (55) 55.0
 
July 26, 2021, 4 p.m. N/A N/A 7.4 ppb (7) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) 35.0 μg/m3 (33) 16.9 μg/m3 (62) 62.0
 
July 26, 2021, 3 p.m. N/A N/A 8.2 ppb (8) N/A N/A 1.0 ppb (2) 51.0 ppb (48) 0.0 ppb (0) 40.0 μg/m3 (38) 21.9 μg/m3 (72) 72.0
 
July 26, 2021, 2 p.m. N/A N/A 14.1 ppb (14) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) 44.0 μg/m3 (41) 24.4 μg/m3 (77) 77.0
 
July 26, 2021, 1 p.m. N/A N/A 21.1 ppb (20) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 41.0 μg/m3 (38) 24.3 μg/m3 (77) 77.0
 
July 26, 2021, noon N/A N/A 26.8 ppb (26) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.0 ppb (0) 40.0 μg/m3 (38) 23.8 μg/m3 (76) 76.0
 
July 26, 2021, 11 a.m. N/A N/A 33.3 ppb (32) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.0 ppb (0) 49.0 μg/m3 (46) 25.2 μg/m3 (79) 79.0
 
July 26, 2021, 10 a.m. N/A N/A 29.9 ppb (29) N/A N/A 0.0 ppb (0) 7.0 ppb (7) 0.0 ppb (0) 38.0 μg/m3 (36) 25.4 μg/m3 (79) 79.0
 
July 26, 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) 38.0 μg/m3 (36) 25.0 μg/m3 (79) 79.0
 
July 26, 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) 37.0 μg/m3 (35) 24.1 μg/m3 (77) 77.0
 
July 26, 2021, 7 a.m. N/A N/A 9.8 ppb (10) N/A N/A N/A 18.0 ppb (17) N/A 36.0 μg/m3 (34) 24.0 μg/m3 (77) 77.0
 
July 26, 2021, 6 a.m. N/A N/A 13.3 ppb (13) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 33.0 μg/m3 (31) 24.5 μg/m3 (78) 78.0
 
July 26, 2021, 5 a.m. N/A N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.0 ppb (0) 36.0 μg/m3 (34) 25.6 μg/m3 (80) 80.0
 
July 26, 2021, 4 a.m. N/A N/A 18.6 ppb (18) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 38.0 μg/m3 (36) 25.9 μg/m3 (81) 81.0
 
July 26, 2021, 3 a.m. N/A N/A 16.5 ppb (16) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.0 ppb (0) 39.0 μg/m3 (37) 25.6 μg/m3 (80) 80.0
 
July 26, 2021, 2 a.m. N/A N/A 13.5 ppb (13) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.0 ppb (0) 37.0 μg/m3 (35) 24.7 μg/m3 (78) 78.0
 
July 26, 2021, 1 a.m. N/A N/A 12.7 ppb (12) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 39.0 μg/m3 (37) 24.7 μg/m3 (78) 78.0
 
July 26, 2021, midnight N/A N/A 8.4 ppb (8) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 34.0 μg/m3 (32) 23.5 μg/m3 (75) 75.0
 
July 25, 2021, 11 p.m. N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) 38.0 μg/m3 (36) 23.1 μg/m3 (75) 75.0
 
July 25, 2021, 10 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) 35.0 μg/m3 (33) 22.0 μg/m3 (72) 72.0
 
July 25, 2021, 9 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) 34.0 μg/m3 (32) 21.6 μg/m3 (71) 71.0
 
July 25, 2021, 8 p.m. N/A N/A 3.5 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) 33.0 μg/m3 (31) 21.5 μg/m3 (71) 71.0
 
July 25, 2021, 7 p.m. N/A N/A 3.1 ppb (3) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) 31.0 μg/m3 (29) 20.8 μg/m3 (70) 70.0
 
July 25, 2021, 6 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 35.0 μg/m3 (33) 20.9 μg/m3 (70) 70.0
 
July 25, 2021, 5 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 32.0 μg/m3 (30) 20.5 μg/m3 (69) 69.0
 
July 25, 2021, 4 p.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) 30.0 μg/m3 (28) 20.1 μg/m3 (68) 68.0
 
July 25, 2021, 3 p.m. N/A N/A 3.6 ppb (4) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) 24.0 μg/m3 (23) 17.3 μg/m3 (62) 62.0
 
July 25, 2021, 2 p.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 20.0 μg/m3 (19) 13.9 μg/m3 (55) 55.0
 
July 25, 2021, 1 p.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.0 ppb (0) 20.0 μg/m3 (19) 13.8 μg/m3 (55) 55.0
 
July 25, 2021, noon N/A N/A 7.2 ppb (7) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 23.0 μg/m3 (22) 14.6 μg/m3 (57) 57.0
 
July 25, 2021, 11 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) 23.0 μg/m3 (22) 14.0 μg/m3 (55) 55.0
 
July 25, 2021, 10 a.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.0 ppb (0) 21.0 μg/m3 (20) 14.1 μg/m3 (56) 56.0
 
July 25, 2021, 9 a.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 μg/m3 (20) 13.0 μg/m3 (53) 53.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.0 ppb (0) 21.0 μg/m3 (20) 12.5 μg/m3 (52) 52.0
 
July 25, 2021, 7 a.m. N/A N/A 3.6 ppb (4) N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 11.1 μg/m3 (47) 47.0
 
July 25, 2021, 6 a.m. N/A N/A 4.2 ppb (4) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.0 ppb (0) 18.0 μg/m3 (17) 9.8 μg/m3 (41) 41.0
 
July 25, 2021, 5 a.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 16.0 μg/m3 (15) 8.2 μg/m3 (35) 35.0
 
July 25, 2021, 4 a.m. N/A N/A 5.8 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 10.0 μg/m3 (10) 5.1 μg/m3 (22) 30.0
 
July 25, 2021, 3 a.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 32.0
 
July 25, 2021, 2 a.m. N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 10.0 μg/m3 (10) 5.0 μg/m3 (21) 41.0
 
July 25, 2021, 1 a.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.0 ppb (0) 16.0 μg/m3 (15) 9.1 μg/m3 (38) 45.0
 
July 25, 2021, midnight N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.0 ppb (0) 37.0 μg/m3 (35) 27.6 μg/m3 (84) 84.0
 
July 24, 2021, 11 p.m. N/A N/A 3.0 ppb (3) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 37.0 μg/m3 (35) 27.4 μg/m3 (84) 84.0
 
July 24, 2021, 10 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.0 ppb (0) 41.0 μg/m3 (38) 31.1 μg/m3 (91) 91.0
 
July 24, 2021, 9 p.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) 40.0 μg/m3 (38) 31.5 μg/m3 (92) 92.0
 
July 24, 2021, 8 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 40.0 μg/m3 (38) 30.2 μg/m3 (90) 90.0
 
July 24, 2021, 7 p.m. N/A N/A 4.4 ppb (5) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 40.0 μg/m3 (38) 30.5 μg/m3 (90) 90.0
 
July 24, 2021, 6 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 46.0 ppb (43) 0.0 ppb (0) 45.0 μg/m3 (42) 32.1 μg/m3 (94) 94.0
 
July 24, 2021, 5 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.0 ppb (0) 43.0 μg/m3 (40) 32.5 μg/m3 (94) 94.0
 
July 24, 2021, 4 p.m. N/A N/A 4.5 ppb (5) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.0 ppb (0) 41.0 μg/m3 (38) 30.6 μg/m3 (90) 90.0
 
July 24, 2021, 3 p.m. N/A N/A 4.9 ppb (5) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 37.0 μg/m3 (35) 26.9 μg/m3 (83) 83.0
 
July 24, 2021, 2 p.m. N/A N/A 6.4 ppb (7) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 32.0 μg/m3 (30) 23.1 μg/m3 (75) 75.0
 
July 24, 2021, 1 p.m. N/A N/A 8.3 ppb (8) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 25.0 μg/m3 (24) 18.9 μg/m3 (66) 66.0
 
July 24, 2021, noon N/A N/A 5.9 ppb (6) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 27.0 μg/m3 (25) 20.3 μg/m3 (69) 69.0
 
July 24, 2021, 11 a.m. N/A N/A 6.3 ppb (6) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 28.0 μg/m3 (26) 19.7 μg/m3 (67) 67.0
 
July 24, 2021, 10 a.m. N/A N/A 5.0 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 27.0 μg/m3 (25) 18.9 μg/m3 (66) 66.0
 
July 24, 2021, 9 a.m. N/A N/A 3.4 ppb (4) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 24.0 μg/m3 (23) 17.3 μg/m3 (62) 62.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) 22.0 μg/m3 (21) 16.3 μg/m3 (60) 60.0
 
July 24, 2021, 7 a.m. N/A N/A 4.0 ppb (4) N/A N/A N/A 36.0 ppb (34) N/A 23.0 μg/m3 (22) 16.0 μg/m3 (60) 60.0
 
July 24, 2021, 6 a.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 20.0 μg/m3 (19) 14.0 μg/m3 (55) 55.0
 
July 24, 2021, 5 a.m. N/A N/A 6.8 ppb (7) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 16.0 μg/m3 (15) 9.7 μg/m3 (41) 41.0
 
July 24, 2021, 4 a.m. N/A N/A 7.7 ppb (8) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 17.0 μg/m3 (16) 11.1 μg/m3 (47) 47.0
 
July 24, 2021, 3 a.m. N/A N/A 7.6 ppb (8) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 20.0 μg/m3 (19) 12.9 μg/m3 (53) 53.0
 
July 24, 2021, 2 a.m. N/A N/A 8.5 ppb (9) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.0 ppb (0) 20.0 μg/m3 (19) 12.8 μg/m3 (53) 53.0
 
July 24, 2021, 1 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.0 ppb (0) 18.0 μg/m3 (17) 10.9 μg/m3 (46) 46.0
 
July 24, 2021, midnight N/A N/A 4.1 ppb (4) N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) 17.0 μg/m3 (16) 10.4 μg/m3 (44) 46.0
 
July 23, 2021, 11 p.m. N/A N/A 3.9 ppb (4) N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.0 ppb (0) 17.0 μg/m3 (16) 10.9 μg/m3 (46) 47.0
 
July 23, 2021, 10 p.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) 17.0 μg/m3 (16) 10.9 μg/m3 (46) 46.0
 
July 23, 2021, 9 p.m. N/A N/A 4.0 ppb (4) N/A N/A 0.0 ppb (0) 49.0 ppb (46) 0.0 ppb (0) 18.0 μg/m3 (17) 10.7 μg/m3 (45) 46.0
 
July 23, 2021, 8 p.m. N/A N/A 3.2 ppb (4) N/A N/A 1.0 ppb (2) 51.0 ppb (48) 0.0 ppb (0) 18.0 μg/m3 (17) 12.3 μg/m3 (52) 52.0
 
July 23, 2021, 7 p.m. N/A N/A 3.6 ppb (4) N/A N/A 1.0 ppb (2) 49.0 ppb (46) 0.0 ppb (0) 17.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
July 23, 2021, 6 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) 14.0 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
July 23, 2021, 5 p.m. N/A N/A 6.4 ppb (7) N/A N/A 1.0 ppb (2) 34.0 ppb (32) 0.0 ppb (0) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 4 p.m. N/A N/A 6.7 ppb (7) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.0 ppb (0) 13.0 μg/m3 (13) 7.5 μg/m3 (32) 32.0
 
July 23, 2021, 3 p.m. N/A N/A 6.2 ppb (6) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.0 ppb (0) 12.0 μg/m3 (12) 6.5 μg/m3 (28) 28.0
 
July 23, 2021, 2 p.m. N/A N/A 12.5 ppb (12) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 16.0 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
July 23, 2021, 1 p.m. N/A N/A 15.8 ppb (15) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 15.0 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
July 23, 2021, noon N/A N/A 36.9 ppb (35) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.0 ppb (0) 23.0 μg/m3 (22) 11.6 μg/m3 (49) 49.0
 
July 23, 2021, 11 a.m. N/A N/A 52.0 ppb (50) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 30.0 μg/m3 (28) 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 10 a.m. N/A N/A 22.6 ppb (22) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 19.0 μg/m3 (18) 10.4 μg/m3 (44) 44.0
 
July 23, 2021, 9 a.m. N/A N/A 22.9 ppb (22) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 μg/m3 (17) 10.5 μg/m3 (44) 44.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 18.0 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
July 23, 2021, 7 a.m. N/A N/A 42.4 ppb (40) N/A N/A N/A 3.0 ppb (3) N/A 19.0 μg/m3 (18) 10.6 μg/m3 (45) 45.0
 
July 23, 2021, 6 a.m. N/A N/A 22.1 ppb (21) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.0 ppb (0) 18.0 μg/m3 (17) 10.6 μg/m3 (45) 45.0
 
July 23, 2021, 5 a.m. N/A N/A 22.5 ppb (22) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.0 ppb (0) 20.0 μg/m3 (19) 10.8 μg/m3 (46) 46.0
 
July 23, 2021, 4 a.m. N/A N/A 5.7 ppb (6) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 16.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
July 23, 2021, 3 a.m. N/A N/A 4.5 ppb (5) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) 15.0 μg/m3 (14) 8.9 μg/m3 (38) 38.0
 
July 23, 2021, 2 a.m. N/A N/A 4.7 ppb (5) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.0 ppb (0) 16.0 μg/m3 (15) 8.9 μg/m3 (38) 38.0
 
July 23, 2021, 1 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.0 ppb (0) 14.0 μg/m3 (13) 8.2 μg/m3 (35) 35.0
 
July 23, 2021, midnight N/A N/A 2.3 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.0 ppb (0) 14.0 μg/m3 (13) 7.7 μg/m3 (33) 37.0
 
July 22, 2021, 11 p.m. N/A N/A 2.8 ppb (3) N/A N/A 1.0 ppb (2) 43.0 ppb (40) 0.0 ppb (0) 16.0 μg/m3 (15) 7.7 μg/m3 (33) 40.0
 
July 22, 2021, 10 p.m. N/A N/A 3.1 ppb (3) N/A N/A 1.0 ppb (2) 47.0 ppb (44) 0.0 ppb (0) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 44.0
 
July 22, 2021, 9 p.m. N/A N/A 3.8 ppb (4) N/A N/A 1.0 ppb (2) 49.0 ppb (46) 0.0 ppb (0) 23.0 μg/m3 (22) 8.5 μg/m3 (36) 46.0
 
July 22, 2021, 8 p.m. N/A N/A 7.7 ppb (8) N/A N/A 3.0 ppb (5) 49.0 ppb (46) 0.0 ppb (0) 28.0 μg/m3 (26) 9.6 μg/m3 (40) 46.0
 
July 22, 2021, 7 p.m. N/A N/A 9.8 ppb (10) N/A N/A 3.0 ppb (5) 47.0 ppb (44) 0.0 ppb (0) 32.0 μg/m3 (30) 10.0 μg/m3 (42) 44.0
 
July 22, 2021, 6 p.m. N/A N/A 7.0 ppb (7) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.0 ppb (0) 17.0 μg/m3 (16) 7.8 μg/m3 (33) 39.0
 
July 22, 2021, 5 p.m. N/A N/A 6.8 ppb (7) N/A N/A 2.0 ppb (3) 35.0 ppb (33) 0.0 ppb (0) 17.0 μg/m3 (16) 7.6 μg/m3 (32) 33.0
 
July 22, 2021, 4 p.m. N/A N/A 13.1 ppb (13) N/A N/A 6.0 ppb (9) 26.0 ppb (25) 0.01 ppb (0) 20.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
July 22, 2021, 3 p.m. N/A N/A 19.1 ppb (19) N/A N/A 9.0 ppb (13) 20.0 ppb (19) 0.01 ppb (0) 19.0 μg/m3 (18) 8.5 μg/m3 (36) 36.0
 
July 22, 2021, 2 p.m. N/A N/A 22.9 ppb (22) N/A N/A 10.0 ppb (15) 16.0 ppb (15) 0.01 ppb (0) 22.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
July 22, 2021, 1 p.m. N/A N/A 20.8 ppb (20) N/A N/A 4.0 ppb (6) 13.0 ppb (13) 0.0 ppb (0) 24.0 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
July 22, 2021, noon N/A N/A 49.1 ppb (47) N/A N/A 1.0 ppb (2) 4.0 ppb (4) 0.0 ppb (0) 28.0 μg/m3 (26) 9.0 μg/m3 (38) 47.0
 
July 22, 2021, 11 a.m. N/A N/A 48.6 ppb (46) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 20.0 μg/m3 (19) 7.8 μg/m3 (33) 46.0
 
July 22, 2021, 10 a.m. N/A N/A 56.6 ppb (54) N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.0 ppb (0) 18.0 μg/m3 (17) 7.6 μg/m3 (32) 54.0
 
July 22, 2021, 9 a.m. N/A N/A 43.4 ppb (41) N/A N/A 0.0 ppb (0) N/A 0.0 ppb (0) 18.0 μg/m3 (17) 7.3 μg/m3 (31) 41.0
 
July 22, 2021, 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) 15.0 μg/m3 (14) 6.7 μg/m3 (28) 28.0
 
July 22, 2021, 7 a.m. N/A N/A 27.8 ppb (27) N/A N/A N/A 1.0 ppb (1) N/A 17.0 μg/m3 (16) 6.6 μg/m3 (28) 28.0
 
July 22, 2021, 6 a.m. N/A N/A 30.5 ppb (29) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.0 ppb (0) 26.0 μg/m3 (25) 6.8 μg/m3 (29) 29.0
 
July 22, 2021, 5 a.m. N/A N/A 28.3 ppb (27) N/A N/A 0.0 ppb (0) 6.0 ppb (6) 0.0 ppb (0) 14.0 μg/m3 (13) 5.3 μg/m3 (23) 27.0
 
July 22, 2021, 4 a.m. N/A N/A 11.2 ppb (11) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.0 ppb (0) 15.0 μg/m3 (14) 5.1 μg/m3 (22) 22.0
 
July 22, 2021, 3 a.m. N/A N/A 8.2 ppb (8) N/A N/A 0.0 ppb (0) 14.0 ppb (13) 0.0 ppb (0) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
July 22, 2021, 2 a.m. N/A N/A 3.8 ppb (4) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.0 ppb (0) 11.0 μg/m3 (11) 4.1 μg/m3 (18) 18.0
 
July 22, 2021, 1 a.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.0 ppb (0) 10.0 μg/m3 (10) 4.3 μg/m3 (18) 22.0
 
July 22, 2021, midnight N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.0 ppb (0) 11.0 μg/m3 (11) 4.6 μg/m3 (20) 24.0
 
July 21, 2021, 11 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.0 ppb (0) 13.0 μg/m3 (13) 4.8 μg/m3 (20) 27.0
 
July 21, 2021, 10 p.m. N/A N/A 3.6 ppb (4) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.0 ppb (0) 13.0 μg/m3 (13) 5.8 μg/m3 (25) 30.0
 
July 21, 2021, 9 p.m. N/A N/A 5.4 ppb (6) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 32.0
 
July 21, 2021, 8 p.m. N/A N/A 6.0 ppb (6) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.0 ppb (0) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
July 21, 2021, 7 p.m. N/A N/A 5.6 ppb (6) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) 15.0 μg/m3 (14) 8.3 μg/m3 (35) 35.0