ID: 861

AQSQID: 490353006

Site Name: Hawthorne

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

Updated: Aug. 3, 2021, 11:02 p.m.

Location: Salt Lake City (Liberty Wells), UT

Reporting: True, Located: True

Current AQI: 103.0

Salt Lake City (Liberty Wells) UT, US: 40.733501, -111.871696

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 9 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 73.0 ppb (103) 0.1 ppb (2) N/A 15.4 μg/m3 (58) 103.0
 
Aug. 3, 2021, 8 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 67.0 ppb (91) 0.1 ppb (2) N/A 13.8 μg/m3 (55) 91.0
 
Aug. 3, 2021, 7 p.m. 3.5 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 63.0 ppb (78) 0.1 ppb (2) N/A 10.8 μg/m3 (46) 78.0
 
Aug. 3, 2021, 6 p.m. 6.3 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 59.0 ppb (65) 0.1 ppb (2) N/A 8.5 μg/m3 (36) 65.0
 
Aug. 3, 2021, 5 p.m. 10.3 ppb (10) 2.2 ppb (3) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 54.0 ppb (50) 0.1 ppb (2) N/A 9.9 μg/m3 (42) 50.0
 
Aug. 3, 2021, 4 p.m. 9.5 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 46.0 ppb (43) 0.1 ppb (2) N/A 10.2 μg/m3 (43) 43.0
 
Aug. 3, 2021, 3 p.m. 11.5 ppb (11) 3.4 ppb (4) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 35.0 ppb (33) 0.1 ppb (2) N/A 10.6 μg/m3 (45) 45.0
 
Aug. 3, 2021, 2 p.m. 25.5 ppb (25) 9.5 ppb (9) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 19.0 ppb (18) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Aug. 3, 2021, 1 p.m. 24.3 ppb (23) 8.4 ppb (8) N/A 16.0 ppb (16) N/A 2.0 ppb (3) 11.0 ppb (11) 0.2 ppb (3) N/A 11.5 μg/m3 (48) 48.0
 
Aug. 3, 2021, noon 16.0 ppb (16) 2.1 ppb (2) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 11.0 ppb (11) 0.2 ppb (3) N/A 9.7 μg/m3 (41) 41.0
 
Aug. 3, 2021, 11 a.m. 13.9 ppb (14) 1.6 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) 0.1 ppb (2) N/A 8.2 μg/m3 (35) 35.0
 
Aug. 3, 2021, 10 a.m. 7.6 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 21.0 ppb (20) 0.1 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
Aug. 3, 2021, 9 a.m. 6.5 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 20.0 ppb (19) 0.0 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
Aug. 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (26) 26.0
 
Aug. 3, 2021, 7 a.m. 9.3 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 22.0 ppb (21) 0.1 ppb (2) N/A 8.6 μg/m3 (36) 36.0
 
Aug. 3, 2021, 6 a.m. 7.1 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 29.0 ppb (27) 0.1 ppb (2) N/A 9.1 μg/m3 (38) 38.0
 
Aug. 3, 2021, 5 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 38.0 ppb (36) 0.1 ppb (2) N/A 7.2 μg/m3 (31) 36.0
 
Aug. 3, 2021, 4 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 38.0 ppb (36) 0.2 ppb (3) N/A 8.7 μg/m3 (37) 37.0
 
Aug. 3, 2021, 3 a.m. 13.6 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 35.0 ppb (33) 0.2 ppb (3) N/A 8.3 μg/m3 (35) 35.0
 
Aug. 3, 2021, 2 a.m. 10.9 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 2.0 ppb (3) 46.0 ppb (43) 0.2 ppb (3) N/A 6.8 μg/m3 (29) 43.0
 
Aug. 3, 2021, 1 a.m. 7.8 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 57.0 ppb (58) 0.1 ppb (2) N/A 6.6 μg/m3 (28) 58.0
 
Aug. 3, 2021, midnight 7.5 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 58.0 ppb (61) 0.1 ppb (2) N/A 6.1 μg/m3 (26) 61.0
 
Aug. 2, 2021, 11 p.m. 3.5 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 59.0 ppb (65) 0.0 ppb (0) N/A 3.6 μg/m3 (16) 65.0
 
Aug. 2, 2021, 10 p.m. 4.7 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 57.0 ppb (58) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 58.0
 
Aug. 2, 2021, 9 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 57.0 ppb (58) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 58.0
 
Aug. 2, 2021, 8 p.m. 4.5 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 53.0 ppb (50) 0.0 ppb (0) N/A 2.5 μg/m3 (11) 50.0
 
Aug. 2, 2021, 7 p.m. 6.8 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 45.0 ppb (42) 0.1 ppb (2) N/A 4.6 μg/m3 (20) 42.0
 
Aug. 2, 2021, 6 p.m. 10.6 ppb (10) 2.2 ppb (3) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 40.0 ppb (38) 0.1 ppb (2) N/A 8.8 μg/m3 (37) 38.0
 
Aug. 2, 2021, 5 p.m. 10.5 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 35.0 ppb (33) 0.1 ppb (2) N/A 10.8 μg/m3 (46) 46.0
 
Aug. 2, 2021, 4 p.m. 11.2 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 30.0 ppb (28) 0.1 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
Aug. 2, 2021, 3 p.m. 8.6 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 36.0 ppb (34) 0.1 ppb (2) N/A 6.9 μg/m3 (29) 34.0
 
Aug. 2, 2021, 2 p.m. 7.9 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 33.0 ppb (31) 0.1 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Aug. 2, 2021, 1 p.m. 16.6 ppb (16) 1.8 ppb (2) N/A 15.0 ppb (15) N/A 2.0 ppb (3) 16.0 ppb (15) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
Aug. 2, 2021, noon 8.7 ppb (9) 0.6 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 21.0 ppb (20) N/A N/A 4.6 μg/m3 (20) 20.0
 
Aug. 2, 2021, 11 a.m. 6.3 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 23.0 ppb (22) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 22.0
 
Aug. 2, 2021, 10 a.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 27.0 ppb (25) 0.0 ppb (0) N/A 2.9 μg/m3 (13) 25.0
 
Aug. 2, 2021, 9 a.m. 2.8 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 33.0 ppb (31) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 31.0
 
Aug. 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (8) 8.0
 
Aug. 2, 2021, 7 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 42.0 ppb (39) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 39.0
 
Aug. 2, 2021, 6 a.m. 3.6 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 43.0 ppb (40) 0.0 ppb (0) N/A 4.8 μg/m3 (20) 40.0
 
Aug. 2, 2021, 5 a.m. 3.7 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 43.0 ppb (40) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 40.0
 
Aug. 2, 2021, 4 a.m. 2.6 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 51.0 ppb (48) 0.0 ppb (0) N/A 5.4 μg/m3 (23) 48.0
 
Aug. 2, 2021, 3 a.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 53.0 ppb (50) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 50.0
 
Aug. 2, 2021, 2 a.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 54.0 ppb (50) 0.0 ppb (0) N/A 10.3 μg/m3 (43) 50.0
 
Aug. 2, 2021, 1 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 60.0 ppb (68) 0.0 ppb (0) N/A 10.1 μg/m3 (43) 68.0
 
Aug. 2, 2021, midnight 4.2 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 67.0 ppb (91) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 91.0
 
Aug. 1, 2021, 11 p.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 71.0 ppb (101) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 101.0
 
Aug. 1, 2021, 10 p.m. 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 71.0 ppb (101) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 101.0
 
Aug. 1, 2021, 9 p.m. 3.8 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 73.0 ppb (103) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 103.0
 
Aug. 1, 2021, 8 p.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 77.0 ppb (105) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 105.0
 
Aug. 1, 2021, 7 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 74.0 ppb (103) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 103.0
 
Aug. 1, 2021, 6 p.m. 3.0 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 64.0 ppb (81) 0.1 ppb (2) N/A 7.8 μg/m3 (33) 81.0
 
Aug. 1, 2021, 5 p.m. 3.6 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 57.0 ppb (58) 0.1 ppb (2) N/A 7.1 μg/m3 (30) 58.0
 
Aug. 1, 2021, 4 p.m. 4.0 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 53.0 ppb (50) 0.1 ppb (2) N/A 5.8 μg/m3 (25) 50.0
 
Aug. 1, 2021, 3 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 48.0 ppb (45) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 45.0
 
Aug. 1, 2021, 2 p.m. 3.5 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 48.0 ppb (45) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 45.0
 
Aug. 1, 2021, 1 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) 0.0 ppb (0) N/A 3.7 μg/m3 (16) 48.0
 
Aug. 1, 2021, noon 1.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 55.0 ppb (51) 0.0 ppb (0) N/A 3.9 μg/m3 (17) 51.0
 
Aug. 1, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 56.0 ppb (55) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 55.0
 
Aug. 1, 2021, 10 a.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 57.0 ppb (58) 0.0 ppb (0) N/A 3.7 μg/m3 (16) 58.0
 
Aug. 1, 2021, 9 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 53.0 ppb (50) 0.0 ppb (0) N/A 5.1 μg/m3 (22) 50.0
 
Aug. 1, 2021, 8 a.m. 5.9 ppb (6) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 44.0 ppb (41) 0.0 ppb (0) N/A 10.0 μg/m3 (42) 42.0
 
Aug. 1, 2021, 7 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 51.0 ppb (48) 0.0 ppb (0) N/A 6.3 μg/m3 (27) 48.0
 
Aug. 1, 2021, 6 a.m. 4.2 ppb (4) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 52.0 ppb (49) 0.0 ppb (0) N/A 6.9 μg/m3 (29) 49.0
 
Aug. 1, 2021, 5 a.m. 4.7 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 57.0 ppb (58) 0.0 ppb (0) N/A 7.9 μg/m3 (33) 58.0
 
Aug. 1, 2021, 4 a.m. 2.9 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 61.0 ppb (71) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 71.0
 
Aug. 1, 2021, 3 a.m. 4.1 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 59.0 ppb (65) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 65.0
 
Aug. 1, 2021, 2 a.m. 3.8 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 58.0 ppb (61) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 61.0
 
Aug. 1, 2021, 1 a.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 59.0 ppb (65) 0.0 ppb (0) N/A 6.7 μg/m3 (28) 65.0
 
Aug. 1, 2021, midnight 2.6 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 64.0 ppb (81) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 81.0
 
July 31, 2021, 11 p.m. 2.3 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 66.0 ppb (87) 0.0 ppb (0) N/A 3.4 μg/m3 (15) 87.0
 
July 31, 2021, 10 p.m. 2.5 ppb (3) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 66.0 ppb (87) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 87.0
 
July 31, 2021, 9 p.m. 3.0 ppb (3) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 71.0 ppb (101) 0.0 ppb (0) N/A 3.8 μg/m3 (16) 101.0
 
July 31, 2021, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 78.0 ppb (105) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 105.0
 
July 31, 2021, 7 p.m. 3.3 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 79.0 ppb (106) 0.1 ppb (2) N/A 3.6 μg/m3 (16) 106.0
 
July 31, 2021, 6 p.m. 3.1 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 73.0 ppb (103) 0.1 ppb (2) N/A 3.7 μg/m3 (16) 103.0
 
July 31, 2021, 5 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 66.0 ppb (87) 0.1 ppb (2) N/A 4.3 μg/m3 (18) 87.0
 
July 31, 2021, 4 p.m. 5.0 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 56.0 ppb (55) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 55.0
 
July 31, 2021, 3 p.m. 7.2 ppb (7) 1.5 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 45.0 ppb (42) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 42.0
 
July 31, 2021, 2 p.m. 8.3 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 40.0 ppb (38) 0.1 ppb (2) N/A 8.1 μg/m3 (34) 38.0
 
July 31, 2021, 1 p.m. 5.4 ppb (6) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 38.0 ppb (36) 0.0 ppb (0) N/A 10.3 μg/m3 (43) 43.0
 
July 31, 2021, noon 8.7 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 30.0 ppb (28) 0.1 ppb (2) N/A 8.0 μg/m3 (34) 34.0
 
July 31, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 27.0 ppb (25) 0.1 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
July 31, 2021, 10 a.m. 8.9 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 25.0 ppb (24) 0.1 ppb (2) N/A 6.3 μg/m3 (27) 27.0
 
July 31, 2021, 9 a.m. 8.4 ppb (8) 0.2 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 33.0 ppb (31) 0.1 ppb (2) N/A 6.0 μg/m3 (25) 31.0
 
July 31, 2021, 8 a.m. 9.2 ppb (9) 0.3 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 32.0 ppb (30) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 30.0
 
July 31, 2021, 7 a.m. 7.3 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 35.0 ppb (33) 0.1 ppb (2) N/A 5.0 μg/m3 (21) 33.0
 
July 31, 2021, 6 a.m. 7.5 ppb (8) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 38.0 ppb (36) 0.1 ppb (2) N/A 4.6 μg/m3 (20) 36.0
 
July 31, 2021, 5 a.m. 13.7 ppb (13) 0.4 ppb (1) N/A 13.0 ppb (13) N/A 2.0 ppb (3) 33.0 ppb (31) 0.1 ppb (2) N/A 6.2 μg/m3 (26) 31.0
 
July 31, 2021, 4 a.m. 19.2 ppb (19) 0.4 ppb (1) N/A 19.0 ppb (18) N/A 2.0 ppb (3) 41.0 ppb (38) 0.2 ppb (3) N/A 8.2 μg/m3 (35) 38.0
 
July 31, 2021, 3 a.m. 9.4 ppb (9) 0.1 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 64.0 ppb (81) 0.1 ppb (2) N/A 6.9 μg/m3 (29) 81.0
 
July 31, 2021, 2 a.m. 7.3 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 64.0 ppb (81) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 81.0
 
July 31, 2021, 1 a.m. 4.9 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 63.0 ppb (78) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 78.0
 
July 31, 2021, midnight 4.7 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 68.0 ppb (94) 0.1 ppb (2) N/A 5.3 μg/m3 (23) 94.0
 
July 30, 2021, 11 p.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 79.0 ppb (106) 0.0 ppb (0) N/A 5.7 μg/m3 (24) 106.0
 
July 30, 2021, 10 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 79.0 ppb (106) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 106.0
 
July 30, 2021, 9 p.m. 3.5 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 76.0 ppb (104) 0.0 ppb (0) N/A 6.4 μg/m3 (27) 104.0
 
July 30, 2021, 8 p.m. 4.1 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 77.0 ppb (105) 0.1 ppb (2) N/A 6.5 μg/m3 (28) 105.0
 
July 30, 2021, 7 p.m. 6.0 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 74.0 ppb (103) 0.1 ppb (2) N/A 8.2 μg/m3 (35) 103.0
 
July 30, 2021, 6 p.m. 6.1 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 73.0 ppb (103) 0.1 ppb (2) N/A 8.6 μg/m3 (36) 103.0
 
July 30, 2021, 5 p.m. 7.1 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 68.0 ppb (94) 0.1 ppb (2) N/A 9.0 μg/m3 (38) 94.0
 
July 30, 2021, 4 p.m. 6.5 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 66.0 ppb (87) 0.1 ppb (2) N/A 7.4 μg/m3 (31) 87.0
 
July 30, 2021, 3 p.m. 5.9 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 59.0 ppb (65) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 65.0
 
July 30, 2021, 2 p.m. 5.5 ppb (6) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 48.0 ppb (45) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 45.0
 
July 30, 2021, 1 p.m. 6.6 ppb (7) 0.5 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 41.0 ppb (38) 0.1 ppb (2) N/A 5.5 μg/m3 (23) 38.0
 
July 30, 2021, noon 5.0 ppb (5) 0.4 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 51.0 ppb (48) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 48.0
 
July 30, 2021, 11 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 56.0 ppb (55) 0.0 ppb (0) N/A 5.9 μg/m3 (25) 55.0
 
July 30, 2021, 10 a.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 64.0 ppb (81) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 81.0
 
July 30, 2021, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 67.0 ppb (91) 0.0 ppb (0) N/A 3.7 μg/m3 (16) 91.0
 
July 30, 2021, 8 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 63.0 ppb (78) 0.0 ppb (0) N/A 6.2 μg/m3 (26) 78.0
 
July 30, 2021, 7 a.m. 10.6 ppb (10) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 2.0 ppb (3) 41.0 ppb (38) 0.1 ppb (2) N/A 8.4 μg/m3 (36) 38.0
 
July 30, 2021, 6 a.m. 5.9 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 50.0 ppb (47) 0.1 ppb (2) N/A 7.5 μg/m3 (32) 47.0
 
July 30, 2021, 5 a.m. 4.3 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 54.0 ppb (50) 0.0 ppb (0) N/A 7.1 μg/m3 (30) 50.0
 
July 30, 2021, 4 a.m. 5.7 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 51.0 ppb (48) 0.1 ppb (2) N/A 7.7 μg/m3 (33) 48.0
 
July 30, 2021, 3 a.m. 8.1 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 52.0 ppb (49) 0.1 ppb (2) N/A 8.7 μg/m3 (37) 49.0
 
July 30, 2021, 2 a.m. 5.6 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 63.0 ppb (78) 0.1 ppb (2) N/A 9.4 μg/m3 (40) 78.0
 
July 30, 2021, 1 a.m. 7.7 ppb (8) 0.3 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 61.0 ppb (71) 0.1 ppb (2) N/A 8.3 μg/m3 (35) 71.0
 
July 30, 2021, midnight 6.0 ppb (6) 0.4 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 64.0 ppb (81) 0.0 ppb (0) N/A 8.2 μg/m3 (35) 81.0
 
July 29, 2021, 11 p.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 3.0 ppb (5) 71.0 ppb (101) 0.0 ppb (0) N/A 8.3 μg/m3 (35) 101.0
 
July 29, 2021, 10 p.m. 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 74.0 ppb (103) 0.0 ppb (0) N/A 7.8 μg/m3 (33) 103.0
 
July 29, 2021, 9 p.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 74.0 ppb (103) 0.0 ppb (0) N/A 6.0 μg/m3 (25) 103.0
 
July 29, 2021, 8 p.m. 5.0 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 73.0 ppb (103) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 103.0
 
July 29, 2021, 7 p.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 74.0 ppb (103) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 103.0
 
July 29, 2021, 6 p.m. 7.5 ppb (8) 1.1 ppb (2) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 70.0 ppb (100) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 100.0
 
July 29, 2021, 5 p.m. 7.5 ppb (8) 1.0 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 65.0 ppb (84) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 84.0
 
July 29, 2021, 4 p.m. 6.9 ppb (7) 1.2 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 58.0 ppb (61) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 61.0
 
July 29, 2021, 3 p.m. 12.2 ppb (12) 2.5 ppb (3) N/A 10.0 ppb (10) N/A 2.0 ppb (3) 46.0 ppb (43) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 43.0
 
July 29, 2021, 2 p.m. 21.3 ppb (21) 3.6 ppb (4) N/A 18.0 ppb (17) N/A 2.0 ppb (3) 29.0 ppb (27) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 27.0
 
July 29, 2021, 1 p.m. 19.1 ppb (19) 1.9 ppb (2) N/A 17.0 ppb (17) N/A 2.0 ppb (3) 24.0 ppb (23) 0.1 ppb (2) N/A 5.6 μg/m3 (24) 24.0
 
July 29, 2021, noon 7.9 ppb (8) 0.6 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 30.0 ppb (28) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 28.0
 
July 29, 2021, 11 a.m. 4.5 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 35.0 ppb (33) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 33.0
 
July 29, 2021, 10 a.m. 6.6 ppb (7) 0.2 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 37.0 ppb (35) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 35.0
 
July 29, 2021, 9 a.m. 6.1 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 41.0 ppb (38) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 38.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
July 29, 2021, 7 a.m. 4.7 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 49.0 ppb (46) 0.0 ppb (0) N/A 5.6 μg/m3 (24) 46.0
 
July 29, 2021, 6 a.m. 4.8 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 54.0 ppb (50) 0.0 ppb (0) N/A 4.9 μg/m3 (21) 50.0
 
July 29, 2021, 5 a.m. 4.5 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 55.0 ppb (51) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 51.0
 
July 29, 2021, 4 a.m. 3.2 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 56.0 ppb (55) 0.0 ppb (0) N/A 4.9 μg/m3 (21) 55.0
 
July 29, 2021, 3 a.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 56.0 ppb (55) 0.0 ppb (0) N/A 4.7 μg/m3 (20) 55.0
 
July 29, 2021, 2 a.m. 2.7 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 56.0 ppb (55) 0.0 ppb (0) N/A 4.3 μg/m3 (18) 55.0
 
July 29, 2021, 1 a.m. 3.1 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 56.0 ppb (55) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 55.0
 
July 29, 2021, midnight 3.3 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 60.0 ppb (68) 0.0 ppb (0) N/A 4.6 μg/m3 (20) 68.0
 
July 28, 2021, 11 p.m. 3.7 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 59.0 ppb (65) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 65.0
 
July 28, 2021, 10 p.m. 3.2 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 65.0 ppb (84) 0.0 ppb (0) N/A 6.5 μg/m3 (28) 84.0
 
July 28, 2021, 9 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 68.0 ppb (94) 0.0 ppb (0) N/A 6.6 μg/m3 (28) 94.0
 
July 28, 2021, 8 p.m. 2.8 ppb (3) 0.3 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 66.0 ppb (87) 0.0 ppb (0) N/A 6.1 μg/m3 (26) 87.0
 
July 28, 2021, 7 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 68.0 ppb (94) 0.1 ppb (2) N/A 5.4 μg/m3 (23) 94.0
 
July 28, 2021, 6 p.m. 3.9 ppb (4) 0.5 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 66.0 ppb (87) 0.0 ppb (0) N/A 4.1 μg/m3 (18) 87.0
 
July 28, 2021, 5 p.m. 7.5 ppb (8) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 58.0 ppb (61) 0.1 ppb (2) N/A 4.5 μg/m3 (19) 61.0
 
July 28, 2021, 4 p.m. 14.8 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 44.0 ppb (41) 0.1 ppb (2) N/A 6.8 μg/m3 (29) 41.0
 
July 28, 2021, 3 p.m. 13.7 ppb (13) 2.9 ppb (3) N/A 11.0 ppb (11) N/A 2.0 ppb (3) 41.0 ppb (38) 0.2 ppb (3) N/A 5.3 μg/m3 (23) 38.0
 
July 28, 2021, 2 p.m. 18.6 ppb (18) 4.5 ppb (5) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 32.0 ppb (30) 0.2 ppb (3) N/A 5.2 μg/m3 (22) 30.0
 
July 28, 2021, 1 p.m. 16.3 ppb (16) 2.4 ppb (3) N/A 14.0 ppb (14) N/A 2.0 ppb (3) 30.0 ppb (28) 0.2 ppb (3) N/A 4.9 μg/m3 (21) 28.0
 
July 28, 2021, noon 12.7 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (12) N/A 2.0 ppb (3) 31.0 ppb (29) 0.1 ppb (2) N/A 4.8 μg/m3 (20) 29.0
 
July 28, 2021, 11 a.m. 5.0 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) N/A 0.0 ppb (0) N/A 4.2 μg/m3 (18) 18.0
 
July 28, 2021, 10 a.m. 4.8 ppb (5) 0.1 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 42.0 ppb (39) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 39.0
 
July 28, 2021, 9 a.m. 6.3 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 39.0 ppb (37) 0.1 ppb (2) N/A 4.4 μg/m3 (19) 37.0
 
July 28, 2021, 8 a.m. 6.4 ppb (7) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 40.0 ppb (38) 0.1 ppb (2) N/A 4.3 μg/m3 (18) 38.0
 
July 28, 2021, 7 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 49.0 ppb (46) 0.0 ppb (0) N/A 3.4 μg/m3 (15) 46.0
 
July 28, 2021, 6 a.m. 3.4 ppb (4) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 49.0 ppb (46) 0.0 ppb (0) N/A 3.0 μg/m3 (13) 46.0
 
July 28, 2021, 5 a.m. 8.7 ppb (9) 0.2 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 42.0 ppb (39) 0.1 ppb (2) N/A 4.0 μg/m3 (17) 39.0
 
July 28, 2021, 4 a.m. 6.7 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 49.0 ppb (46) 0.1 ppb (2) N/A 3.2 μg/m3 (14) 46.0
 
July 28, 2021, 3 a.m. 8.0 ppb (8) 0.1 ppb (1) N/A 8.0 ppb (8) N/A 2.0 ppb (3) 51.0 ppb (48) 0.1 ppb (2) N/A 3.1 μg/m3 (13) 48.0
 
July 28, 2021, 2 a.m. 6.6 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 56.0 ppb (55) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 55.0
 
July 28, 2021, 1 a.m. 4.5 ppb (5) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 61.0 ppb (71) 0.1 ppb (2) N/A 2.6 μg/m3 (11) 71.0
 
July 28, 2021, midnight 4.5 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 60.0 ppb (68) 0.1 ppb (2) N/A 2.8 μg/m3 (12) 68.0
 
July 27, 2021, 11 p.m. 4.0 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 62.0 ppb (74) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 74.0
 
July 27, 2021, 10 p.m. 3.2 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 61.0 ppb (71) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 71.0