ID: 861

AQSQID: 490353006

Site Name: Hawthorne

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

Updated: Jan. 22, 2021, 5:32 a.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
Jan. 22, 2021, 4 a.m. 108.0 ppb (103) 66.0 ppb (64) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 23.6 μg/m3 (76) 103.0
 
Jan. 22, 2021, 3 a.m. 84.0 ppb (83) 41.4 ppb (40) N/A 43.0 ppb (41) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 21.6 μg/m3 (71) 83.0
 
Jan. 22, 2021, 2 a.m. 59.1 ppb (57) 16.6 ppb (16) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 20.0 μg/m3 (68) 68.0
 
Jan. 22, 2021, 1 a.m. 47.4 ppb (45) 7.3 ppb (7) N/A 40.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 18.4 μg/m3 (65) 65.0
 
Jan. 22, 2021, midnight 35.8 ppb (34) 4.0 ppb (4) N/A 32.0 ppb (31) N/A 1.0 ppb (2) 9.0 ppb (9) 0.2 ppb (3) N/A 16.6 μg/m3 (61) 61.0
 
Jan. 21, 2021, 11 p.m. 38.3 ppb (37) 7.7 ppb (8) N/A 31.0 ppb (30) N/A 1.0 ppb (2) 14.0 ppb (13) 0.2 ppb (3) N/A 17.3 μg/m3 (62) 62.0
 
Jan. 21, 2021, 10 p.m. 38.6 ppb (37) 11.4 ppb (11) N/A 27.0 ppb (26) N/A 1.0 ppb (2) 18.0 ppb (17) 0.2 ppb (3) N/A 16.9 μg/m3 (62) 62.0
 
Jan. 21, 2021, 9 p.m. 34.3 ppb (33) 10.9 ppb (11) N/A 23.0 ppb (22) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 15.8 μg/m3 (59) 59.0
 
Jan. 21, 2021, 8 p.m. 73.3 ppb (72) 35.6 ppb (34) N/A 38.0 ppb (36) N/A 1.0 ppb (2) 16.0 ppb (15) 0.4 ppb (5) N/A 20.2 μg/m3 (69) 72.0
 
Jan. 21, 2021, 7 p.m. 91.1 ppb (91) 49.4 ppb (47) N/A 42.0 ppb (40) N/A 1.0 ppb (2) 12.0 ppb (12) 0.5 ppb (6) N/A 22.0 μg/m3 (72) 91.0
 
Jan. 21, 2021, 6 p.m. 56.3 ppb (54) 27.4 ppb (26) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 15.0 ppb (14) 0.4 ppb (5) N/A 14.6 μg/m3 (57) 57.0
 
Jan. 21, 2021, 5 p.m. 53.8 ppb (51) 25.8 ppb (25) N/A 28.0 ppb (27) N/A 1.0 ppb (2) 15.0 ppb (14) 0.4 ppb (5) N/A 14.7 μg/m3 (57) 57.0
 
Jan. 21, 2021, 4 p.m. 90.3 ppb (90) 53.8 ppb (51) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 7.0 ppb (7) 0.7 ppb (8) N/A 15.2 μg/m3 (58) 90.0
 
Jan. 21, 2021, 3 p.m. 204.5 ppb (121) 157.7 ppb (112) N/A 47.0 ppb (45) N/A 1.0 ppb (2) 1.0 ppb (1) 1.6 ppb (19) N/A 12.7 μg/m3 (53) 121.0
 
Jan. 21, 2021, 2 p.m. 173.8 ppb (115) 130.3 ppb (107) N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 1.2 ppb (14) N/A 12.6 μg/m3 (53) 115.0
 
Jan. 21, 2021, 1 p.m. 141.6 ppb (109) 100.7 ppb (101) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 13.0 μg/m3 (53) 109.0
 
Jan. 21, 2021, noon 132.8 ppb (108) 94.2 ppb (94) N/A 39.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 11.8 μg/m3 (50) 108.0
 
Jan. 21, 2021, 11 a.m. 105.0 ppb (102) 69.3 ppb (68) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 7.7 μg/m3 (33) 102.0
 
Jan. 21, 2021, 10 a.m. 102.1 ppb (102) 68.3 ppb (67) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 7.9 μg/m3 (33) 102.0
 
Jan. 21, 2021, 9 a.m. 101.4 ppb (102) 66.6 ppb (65) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 10.9 μg/m3 (46) 102.0
 
Jan. 21, 2021, 8 a.m. 91.8 ppb (92) 57.4 ppb (55) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 10.4 μg/m3 (44) 92.0
 
Jan. 21, 2021, 7 a.m. 96.6 ppb (97) 61.1 ppb (59) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 12.6 μg/m3 (53) 97.0
 
Jan. 21, 2021, 6 a.m. 112.5 ppb (104) 75.6 ppb (75) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 12.3 μg/m3 (52) 104.0
 
Jan. 21, 2021, 5 a.m. 119.1 ppb (105) 79.4 ppb (79) N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 16.0 μg/m3 (60) 105.0
 
Jan. 21, 2021, 4 a.m. 118.9 ppb (105) 77.8 ppb (77) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 21.8 μg/m3 (72) 105.0
 
Jan. 21, 2021, 3 a.m. 103.5 ppb (102) 62.4 ppb (60) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 25.0 μg/m3 (79) 102.0
 
Jan. 21, 2021, 2 a.m. 92.7 ppb (93) 51.5 ppb (49) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 16.7 μg/m3 (61) 93.0
 
Jan. 21, 2021, 1 a.m. 35.8 ppb (34) 3.6 ppb (4) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 7.0 ppb (7) 0.3 ppb (4) N/A 12.3 μg/m3 (52) 52.0
 
Jan. 21, 2021, midnight 21.5 ppb (21) 0.9 ppb (1) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 19.0 ppb (18) 0.2 ppb (3) N/A 10.7 μg/m3 (45) 45.0
 
Jan. 20, 2021, 11 p.m. 19.7 ppb (19) 3.3 ppb (4) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 5.6 μg/m3 (24) 24.0
 
Jan. 20, 2021, 10 p.m. 20.9 ppb (20) 5.8 ppb (6) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 20, 2021, 9 p.m. 22.8 ppb (22) 7.7 ppb (8) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Jan. 20, 2021, 8 p.m. 21.8 ppb (21) 7.9 ppb (8) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 20, 2021, 7 p.m. 27.4 ppb (26) 11.0 ppb (11) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 25.0 ppb (24) 0.2 ppb (3) N/A 6.3 μg/m3 (27) 27.0
 
Jan. 20, 2021, 6 p.m. 34.5 ppb (33) 15.1 ppb (15) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 22.0 ppb (21) 0.2 ppb (3) N/A 6.2 μg/m3 (26) 33.0
 
Jan. 20, 2021, 5 p.m. 59.3 ppb (57) 31.8 ppb (30) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 13.0 ppb (13) 0.4 ppb (5) N/A 7.6 μg/m3 (32) 57.0
 
Jan. 20, 2021, 4 p.m. 99.8 ppb (100) 62.9 ppb (61) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 6.0 ppb (6) 0.8 ppb (10) N/A 8.8 μg/m3 (37) 100.0
 
Jan. 20, 2021, 3 p.m. 155.0 ppb (112) 110.9 ppb (103) N/A 44.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 1.5 ppb (18) N/A 7.6 μg/m3 (32) 112.0
 
Jan. 20, 2021, 2 p.m. 111.3 ppb (103) 70.0 ppb (69) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 5.8 μg/m3 (25) 103.0
 
Jan. 20, 2021, 1 p.m. 74.1 ppb (73) 35.9 ppb (34) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 3.7 μg/m3 (16) 73.0
 
Jan. 20, 2021, noon 49.7 ppb (47) 16.2 ppb (16) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (4) N/A 5.9 μg/m3 (25) 47.0
 
Jan. 20, 2021, 11 a.m. 33.7 ppb (32) 6.0 ppb (6) N/A 28.0 ppb (27) N/A 0.0 ppb (0) N/A 0.2 ppb (3) N/A 2.6 μg/m3 (11) 32.0
 
Jan. 20, 2021, 10 a.m. 44.1 ppb (42) 13.0 ppb (13) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 3.0 ppb (3) 0.2 ppb (3) N/A 2.7 μg/m3 (12) 42.0
 
Jan. 20, 2021, 9 a.m. 59.9 ppb (58) 26.3 ppb (25) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.2 ppb (3) N/A 2.8 μg/m3 (12) 58.0
 
Jan. 20, 2021, 8 a.m. 64.1 ppb (62) 31.2 ppb (30) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 3.6 μg/m3 (16) 62.0
 
Jan. 20, 2021, 7 a.m. 64.9 ppb (63) 31.1 ppb (30) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 6.1 μg/m3 (26) 63.0
 
Jan. 20, 2021, 6 a.m. 65.7 ppb (64) 30.4 ppb (29) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 7.4 μg/m3 (31) 64.0
 
Jan. 20, 2021, 5 a.m. 80.5 ppb (80) 42.8 ppb (41) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 9.0 μg/m3 (38) 80.0
 
Jan. 20, 2021, 4 a.m. 91.8 ppb (92) 52.3 ppb (50) N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 10.6 μg/m3 (45) 92.0
 
Jan. 20, 2021, 3 a.m. 68.2 ppb (67) 28.7 ppb (28) N/A 40.0 ppb (38) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 7.4 μg/m3 (31) 67.0
 
Jan. 20, 2021, 2 a.m. 39.3 ppb (38) 4.7 ppb (5) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 4.0 ppb (4) 0.4 ppb (5) N/A 6.4 μg/m3 (27) 38.0
 
Jan. 20, 2021, 1 a.m. 29.1 ppb (28) 3.5 ppb (4) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (13) 0.4 ppb (5) N/A 5.9 μg/m3 (25) 28.0
 
Jan. 20, 2021, midnight 11.1 ppb (11) 0.2 ppb (1) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 29.0 ppb (27) 0.2 ppb (3) N/A 2.1 μg/m3 (9) 27.0
 
Jan. 19, 2021, 11 p.m. 10.2 ppb (10) 1.4 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 30.0
 
Jan. 19, 2021, 10 p.m. 6.5 ppb (7) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 34.0
 
Jan. 19, 2021, 9 p.m. 4.7 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.1 μg/m3 (5) 36.0
 
Jan. 19, 2021, 8 p.m. 3.6 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 0.3 μg/m3 (2) 36.0
 
Jan. 19, 2021, 7 p.m. 4.8 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.4 μg/m3 (2) 34.0
 
Jan. 19, 2021, 6 p.m. 3.8 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 35.0
 
Jan. 19, 2021, 5 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 34.0
 
Jan. 19, 2021, 4 p.m. 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 34.0
 
Jan. 19, 2021, 3 p.m. 3.4 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 34.0
 
Jan. 19, 2021, 2 p.m. 3.5 ppb (4) 0.5 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 34.0
 
Jan. 19, 2021, 1 p.m. 2.4 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 34.0
 
Jan. 19, 2021, noon 2.3 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 19, 2021, 11 a.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (34) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 19, 2021, 10 a.m. 1.6 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 0.0 μg/m3 (0) 33.0
 
Jan. 19, 2021, 9 a.m. 1.9 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) N/A 0.1 μg/m3 (1) 21.0
 
Jan. 19, 2021, 8 a.m. 2.6 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 0.2 μg/m3 (1) 31.0
 
Jan. 19, 2021, 7 a.m. 15.6 ppb (15) 0.8 ppb (1) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) N/A 1.1 μg/m3 (5) 21.0
 
Jan. 19, 2021, 6 a.m. 14.5 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 22.0 ppb (21) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 21.0
 
Jan. 19, 2021, 5 a.m. 5.1 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 0.7 μg/m3 (3) 30.0
 
Jan. 19, 2021, 4 a.m. 24.7 ppb (24) 2.4 ppb (3) N/A 22.0 ppb (21) N/A 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) N/A 4.1 μg/m3 (18) 24.0
 
Jan. 19, 2021, 3 a.m. 35.0 ppb (34) 5.4 ppb (6) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 5.0 ppb (5) 0.3 ppb (4) N/A 5.5 μg/m3 (23) 34.0
 
Jan. 19, 2021, 2 a.m. 27.0 ppb (26) 2.9 ppb (3) N/A 24.0 ppb (23) N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) N/A 4.0 μg/m3 (17) 26.0
 
Jan. 19, 2021, 1 a.m. 13.2 ppb (13) 0.8 ppb (1) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 24.0 ppb (23) 0.1 ppb (2) N/A 3.5 μg/m3 (15) 23.0
 
Jan. 19, 2021, midnight 9.7 ppb (10) 0.9 ppb (1) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 26.0
 
Jan. 18, 2021, 11 p.m. 5.1 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 1.6 μg/m3 (7) 32.0
 
Jan. 18, 2021, 10 p.m. 4.9 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 34.0 ppb (32) 0.0 ppb (0) N/A 2.5 μg/m3 (11) 32.0
 
Jan. 18, 2021, 9 p.m. 5.8 ppb (6) 1.2 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 3.2 μg/m3 (14) 30.0
 
Jan. 18, 2021, 8 p.m. 9.1 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 28.0 ppb (26) 0.0 ppb (0) N/A 5.2 μg/m3 (22) 26.0
 
Jan. 18, 2021, 7 p.m. 11.4 ppb (11) 3.6 ppb (4) N/A 8.0 ppb (8) N/A 0.0 ppb (0) 26.0 ppb (25) 0.0 ppb (0) N/A 5.5 μg/m3 (23) 25.0
 
Jan. 18, 2021, 6 p.m. 14.5 ppb (14) 4.0 ppb (4) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 3.4 μg/m3 (15) 24.0
 
Jan. 18, 2021, 5 p.m. 21.8 ppb (21) 5.4 ppb (6) N/A 16.0 ppb (16) N/A 0.0 ppb (0) 19.0 ppb (18) 0.1 ppb (2) N/A 3.5 μg/m3 (15) 21.0
 
Jan. 18, 2021, 4 p.m. 41.7 ppb (40) 12.3 ppb (12) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 9.0 ppb (9) 0.2 ppb (3) N/A 4.8 μg/m3 (20) 40.0
 
Jan. 18, 2021, 3 p.m. 82.2 ppb (82) 44.6 ppb (43) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 14.2 μg/m3 (56) 82.0
 
Jan. 18, 2021, 2 p.m. 84.0 ppb (83) 46.9 ppb (45) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 17.9 μg/m3 (64) 83.0
 
Jan. 18, 2021, 1 p.m. 96.0 ppb (96) 60.5 ppb (58) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 21.5 μg/m3 (71) 96.0
 
Jan. 18, 2021, noon 67.5 ppb (66) 34.2 ppb (33) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 24.2 μg/m3 (77) 77.0
 
Jan. 18, 2021, 11 a.m. 48.7 ppb (46) 16.8 ppb (16) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 25.9 μg/m3 (81) 81.0
 
Jan. 18, 2021, 10 a.m. 54.5 ppb (52) 21.5 ppb (21) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 24.7 μg/m3 (78) 78.0
 
Jan. 18, 2021, 9 a.m. 70.1 ppb (69) 36.6 ppb (35) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 18.2 μg/m3 (64) 69.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (62) 62.0
 
Jan. 18, 2021, 7 a.m. 51.0 ppb (49) 14.6 ppb (14) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 16.1 μg/m3 (60) 60.0
 
Jan. 18, 2021, 6 a.m. 41.9 ppb (40) 4.9 ppb (5) N/A 37.0 ppb (35) N/A 1.0 ppb (2) 2.0 ppb (2) 0.3 ppb (4) N/A 14.7 μg/m3 (57) 57.0
 
Jan. 18, 2021, 5 a.m. 42.5 ppb (41) 6.0 ppb (6) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 3.0 ppb (3) 0.3 ppb (4) N/A 14.4 μg/m3 (56) 56.0
 
Jan. 18, 2021, 4 a.m. 72.6 ppb (71) 31.1 ppb (30) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 18.7 μg/m3 (65) 71.0
 
Jan. 18, 2021, 3 a.m. 62.8 ppb (61) 20.6 ppb (20) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 16.2 μg/m3 (60) 61.0
 
Jan. 18, 2021, 2 a.m. 68.6 ppb (67) 26.2 ppb (25) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 18.4 μg/m3 (65) 67.0
 
Jan. 18, 2021, 1 a.m. 67.6 ppb (66) 24.8 ppb (24) N/A 43.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.9 ppb (11) N/A 17.8 μg/m3 (63) 66.0
 
Jan. 18, 2021, midnight 30.0 ppb (29) 3.6 ppb (4) N/A 26.0 ppb (25) N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) N/A 12.9 μg/m3 (53) 53.0
 
Jan. 17, 2021, 11 p.m. 13.3 ppb (13) 0.6 ppb (1) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 7.0 μg/m3 (30) 30.0
 
Jan. 17, 2021, 10 p.m. 13.6 ppb (13) 1.1 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2021, 9 p.m. 13.5 ppb (13) 1.8 ppb (2) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2021, 8 p.m. 14.1 ppb (14) 3.0 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
Jan. 17, 2021, 7 p.m. 18.0 ppb (17) 5.2 ppb (5) N/A 13.0 ppb (13) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 14.1 μg/m3 (56) 56.0
 
Jan. 17, 2021, 6 p.m. 22.0 ppb (21) 7.4 ppb (7) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 24.0 ppb (23) 0.2 ppb (3) N/A 17.9 μg/m3 (64) 64.0
 
Jan. 17, 2021, 5 p.m. 26.2 ppb (25) 9.5 ppb (9) N/A 17.0 ppb (17) N/A 0.0 ppb (0) 20.0 ppb (19) 0.2 ppb (3) N/A 20.8 μg/m3 (70) 70.0
 
Jan. 17, 2021, 4 p.m. 63.7 ppb (62) 35.0 ppb (34) N/A 29.0 ppb (28) N/A 0.0 ppb (0) 8.0 ppb (8) 0.5 ppb (6) N/A 22.5 μg/m3 (73) 73.0
 
Jan. 17, 2021, 3 p.m. 115.1 ppb (104) 80.1 ppb (79) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 16.3 μg/m3 (60) 104.0
 
Jan. 17, 2021, 2 p.m. 100.2 ppb (101) 66.0 ppb (64) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 13.8 μg/m3 (55) 101.0
 
Jan. 17, 2021, 1 p.m. 83.3 ppb (83) 50.1 ppb (48) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 12.2 μg/m3 (52) 83.0
 
Jan. 17, 2021, noon 70.6 ppb (69) 38.6 ppb (37) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 12.2 μg/m3 (52) 69.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 11.5 μg/m3 (48) 48.0
 
Jan. 17, 2021, 10 a.m. 68.5 ppb (67) 38.1 ppb (36) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 9.8 μg/m3 (41) 67.0
 
Jan. 17, 2021, 9 a.m. 57.0 ppb (55) 26.4 ppb (25) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 9.7 μg/m3 (41) 55.0
 
Jan. 17, 2021, 8 a.m. 45.3 ppb (43) 14.4 ppb (14) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 8.4 μg/m3 (36) 43.0
 
Jan. 17, 2021, 7 a.m. 66.8 ppb (65) 34.4 ppb (33) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 8.7 μg/m3 (37) 65.0
 
Jan. 17, 2021, 6 a.m. 69.0 ppb (67) 36.4 ppb (35) N/A 33.0 ppb (32) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 13.2 μg/m3 (54) 67.0
 
Jan. 17, 2021, 5 a.m. 61.6 ppb (60) 27.3 ppb (26) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 0.0 ppb (0) 0.6 ppb (7) N/A 9.1 μg/m3 (38) 60.0
 
Jan. 17, 2021, 4 a.m. 66.7 ppb (65) 30.3 ppb (29) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.8 ppb (10) N/A 15.2 μg/m3 (58) 65.0
 
Jan. 17, 2021, 3 a.m. 53.7 ppb (51) 19.4 ppb (19) N/A 34.0 ppb (33) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A 14.1 μg/m3 (56) 56.0
 
Jan. 17, 2021, 2 a.m. 53.7 ppb (51) 17.9 ppb (17) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 2.0 ppb (2) 0.5 ppb (6) N/A 11.4 μg/m3 (48) 51.0
 
Jan. 17, 2021, 1 a.m. 27.4 ppb (26) 2.1 ppb (2) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 13.0 ppb (13) 0.3 ppb (4) N/A 6.1 μg/m3 (26) 26.0
 
Jan. 17, 2021, midnight 9.3 ppb (9) 0.0 ppb (0) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 2.7 μg/m3 (12) 29.0
 
Jan. 16, 2021, 11 p.m. 8.0 ppb (8) 0.5 ppb (1) N/A 7.0 ppb (7) N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 2.5 μg/m3 (11) 32.0
 
Jan. 16, 2021, 10 p.m. 10.7 ppb (11) 1.9 ppb (2) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 4.9 μg/m3 (21) 30.0
 
Jan. 16, 2021, 9 p.m. 11.4 ppb (11) 2.5 ppb (3) N/A 9.0 ppb (9) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2021, 8 p.m. 12.3 ppb (12) 2.3 ppb (3) N/A 10.0 ppb (10) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 9.1 μg/m3 (38) 38.0
 
Jan. 16, 2021, 7 p.m. 14.4 ppb (14) 3.1 ppb (3) N/A 11.0 ppb (11) N/A 0.0 ppb (0) 32.0 ppb (30) 0.0 ppb (0) N/A 10.2 μg/m3 (43) 43.0
 
Jan. 16, 2021, 6 p.m. 44.5 ppb (42) 19.0 ppb (18) N/A 26.0 ppb (25) N/A 1.0 ppb (2) 19.0 ppb (18) 0.2 ppb (3) N/A 23.4 μg/m3 (75) 75.0
 
Jan. 16, 2021, 5 p.m. 67.5 ppb (66) 36.8 ppb (35) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 8.0 ppb (8) 0.4 ppb (5) N/A 24.9 μg/m3 (78) 78.0
 
Jan. 16, 2021, 4 p.m. 52.1 ppb (50) 21.7 ppb (21) N/A 30.0 ppb (29) N/A 0.0 ppb (0) 4.0 ppb (4) 0.3 ppb (4) N/A 20.3 μg/m3 (69) 69.0
 
Jan. 16, 2021, 3 p.m. 46.6 ppb (44) 15.1 ppb (15) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (4) N/A 18.9 μg/m3 (66) 66.0
 
Jan. 16, 2021, 2 p.m. 38.8 ppb (37) 7.0 ppb (7) N/A 32.0 ppb (31) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (4) N/A 18.4 μg/m3 (65) 65.0
 
Jan. 16, 2021, 1 p.m. 31.1 ppb (30) 3.0 ppb (3) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 2.0 ppb (2) 0.2 ppb (3) N/A 17.9 μg/m3 (64) 64.0
 
Jan. 16, 2021, noon 29.4 ppb (28) 2.5 ppb (3) N/A 27.0 ppb (26) N/A 0.0 ppb (0) 4.0 ppb (4) 0.2 ppb (3) N/A 16.5 μg/m3 (61) 61.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 12.5 μg/m3 (52) 52.0
 
Jan. 16, 2021, 10 a.m. 44.1 ppb (42) 6.7 ppb (7) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 12.3 μg/m3 (52) 52.0
 
Jan. 16, 2021, 9 a.m. 45.0 ppb (43) 7.2 ppb (7) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 16, 2021, 8 a.m. 46.6 ppb (44) 10.0 ppb (10) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 11.7 μg/m3 (49) 49.0
 
Jan. 16, 2021, 7 a.m. 47.3 ppb (45) 9.9 ppb (10) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 13.0 μg/m3 (53) 53.0
 
Jan. 16, 2021, 6 a.m. 52.4 ppb (50) 15.1 ppb (15) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 14.1 μg/m3 (56) 56.0
 
Jan. 16, 2021, 5 a.m. 42.6 ppb (41) 6.3 ppb (6) N/A 36.0 ppb (34) N/A 0.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 13.8 μg/m3 (55) 55.0
 
Jan. 16, 2021, 4 a.m. 40.5 ppb (39) 5.5 ppb (6) N/A 35.0 ppb (34) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2021, 3 a.m. 50.2 ppb (48) 11.3 ppb (11) N/A 39.0 ppb (37) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 12.1 μg/m3 (51) 51.0
 
Jan. 16, 2021, 2 a.m. 80.3 ppb (80) 36.6 ppb (35) N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.7 ppb (8) N/A 14.3 μg/m3 (56) 80.0
 
Jan. 16, 2021, 1 a.m. 77.0 ppb (76) 32.6 ppb (31) N/A 44.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 12.5 μg/m3 (52) 76.0
 
Jan. 16, 2021, midnight 25.5 ppb (25) 0.9 ppb (1) N/A 25.0 ppb (24) N/A 0.0 ppb (0) 19.0 ppb (18) 0.3 ppb (4) N/A 5.1 μg/m3 (22) 25.0
 
Jan. 15, 2021, 11 p.m. 16.9 ppb (16) 2.0 ppb (2) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 31.0 ppb (29) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 29.0
 
Jan. 15, 2021, 10 p.m. 20.5 ppb (20) 5.3 ppb (5) N/A 15.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (28) 0.2 ppb (3) N/A 5.1 μg/m3 (22) 28.0
 
Jan. 15, 2021, 9 p.m. 17.7 ppb (17) 5.2 ppb (5) N/A 12.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 4.4 μg/m3 (19) 30.0
 
Jan. 15, 2021, 8 p.m. 20.8 ppb (20) 7.2 ppb (7) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 4.2 μg/m3 (18) 28.0
 
Jan. 15, 2021, 7 p.m. 23.1 ppb (22) 8.7 ppb (9) N/A 14.0 ppb (14) N/A 0.0 ppb (0) 27.0 ppb (25) 0.2 ppb (3) N/A 4.3 μg/m3 (18) 25.0
 
Jan. 15, 2021, 6 p.m. 37.3 ppb (36) 16.7 ppb (16) N/A 21.0 ppb (20) N/A 0.0 ppb (0) 22.0 ppb (21) 0.3 ppb (4) N/A 4.1 μg/m3 (18) 36.0
 
Jan. 15, 2021, 5 p.m. 60.3 ppb (58) 32.5 ppb (31) N/A 28.0 ppb (27) N/A 0.0 ppb (0) 14.0 ppb (13) 0.4 ppb (5) N/A 5.7 μg/m3 (24) 58.0
 
Jan. 15, 2021, 4 p.m. 70.7 ppb (69) 39.8 ppb (38) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 8.0 ppb (8) 0.5 ppb (6) N/A 7.3 μg/m3 (31) 69.0
 
Jan. 15, 2021, 3 p.m. 130.1 ppb (107) 88.0 ppb (88) N/A 42.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 1.1 ppb (13) N/A 6.4 μg/m3 (27) 107.0
 
Jan. 15, 2021, 2 p.m. 135.6 ppb (108) 92.0 ppb (92) N/A 44.0 ppb (42) N/A 0.0 ppb (0) 0.0 ppb (0) 0.9 ppb (11) N/A 5.2 μg/m3 (22) 108.0
 
Jan. 15, 2021, 1 p.m. 93.4 ppb (93) 52.9 ppb (50) N/A 41.0 ppb (39) N/A 0.0 ppb (0) 0.0 ppb (0) 0.5 ppb (6) N/A 3.1 μg/m3 (13) 93.0
 
Jan. 15, 2021, noon 62.3 ppb (60) 24.0 ppb (23) N/A 38.0 ppb (36) N/A 0.0 ppb (0) 0.0 ppb (0) 0.2 ppb (3) N/A 1.3 μg/m3 (6) 60.0
 
Jan. 15, 2021, 11 a.m. 48.7 ppb (46) 13.3 ppb (13) N/A 35.0 ppb (34) N/A -1.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) N/A 1.2 μg/m3 (5) 46.0
 
Jan. 15, 2021, 10 a.m. 47.2 ppb (45) 10.4 ppb (10) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.2 ppb (3) N/A 2.1 μg/m3 (9) 45.0
 
Jan. 15, 2021, 9 a.m. 35.2 ppb (34) 4.3 ppb (5) N/A 31.0 ppb (30) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (3) N/A 1.4 μg/m3 (6) 34.0
 
Jan. 15, 2021, 8 a.m. 51.5 ppb (49) 15.8 ppb (15) N/A 36.0 ppb (34) N/A -1.0 ppb (0) 0.0 ppb (0) 0.3 ppb (4) N/A 2.6 μg/m3 (11) 49.0
 
Jan. 15, 2021, 7 a.m. 58.4 ppb (56) 21.5 ppb (21) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 2.6 μg/m3 (11) 56.0
 
Jan. 15, 2021, 6 a.m. 59.8 ppb (58) 22.5 ppb (22) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 0.0 ppb (0) 0.4 ppb (5) N/A 3.2 μg/m3 (14) 58.0
 
Jan. 15, 2021, 5 a.m. 55.6 ppb (53) 18.3 ppb (18) N/A 37.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (5) N/A 2.3 μg/m3 (10) 53.0