AQSQID: 490353006

Site Name: Hawthorne

Location: Salt Lake City (Liberty Wells), UT

Reporting: True, Located: True

Current AQI: 72.0

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. 21, 2020, 3 p.m. 75.0 ppb (72) 34.5 ppb (32) N/A 41.0 ppb (38) N/A 1.0 ppb (1) 3.0 ppb (2) 0.6 ppb (7) N/A 19.6 μg/m3 (66) 72.0
 
Jan. 21, 2020, 2 p.m. 39.8 ppb (37) 5.2 ppb (5) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) N/A 18.3 μg/m3 (63) 63.0
 
Jan. 21, 2020, 1 p.m. 28.4 ppb (26) 1.6 ppb (1) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 17.8 μg/m3 (62) 62.0
 
Jan. 21, 2020, noon 43.5 ppb (40) 9.1 ppb (8) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 6.0 ppb (5) 0.1 ppb (1) N/A 18.5 μg/m3 (64) 64.0
 
Jan. 21, 2020, 11 a.m. 52.9 ppb (49) 11.1 ppb (10) N/A 42.0 ppb (39) N/A N/A 1.0 ppb (1) 0.2 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
Jan. 21, 2020, 10 a.m. 79.0 ppb (77) 34.5 ppb (32) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 21.0 μg/m3 (69) 77.0
 
Jan. 21, 2020, 9 a.m. 71.2 ppb (68) 27.3 ppb (25) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 22.8 μg/m3 (73) 73.0
 
Jan. 21, 2020, 8 a.m. 54.5 ppb (51) 12.0 ppb (11) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 21.3 μg/m3 (70) 70.0
 
Jan. 21, 2020, 7 a.m. 59.9 ppb (56) 16.5 ppb (15) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 23.8 μg/m3 (75) 75.0
 
Jan. 21, 2020, 6 a.m. 52.6 ppb (49) 10.2 ppb (9) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 24.9 μg/m3 (77) 77.0
 
Jan. 21, 2020, 5 a.m. 56.7 ppb (53) 12.3 ppb (11) N/A 45.0 ppb (42) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) N/A 27.2 μg/m3 (82) 82.0
 
Jan. 21, 2020, 4 a.m. 75.7 ppb (73) 30.1 ppb (28) N/A 46.0 ppb (43) N/A 1.0 ppb (1) 1.0 ppb (1) 0.4 ppb (4) N/A 30.1 μg/m3 (89) 89.0
 
Jan. 21, 2020, 3 a.m. 73.2 ppb (70) 27.2 ppb (25) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 28.9 μg/m3 (86) 86.0
 
Jan. 21, 2020, 2 a.m. 58.3 ppb (55) 14.2 ppb (13) N/A 44.0 ppb (41) N/A 1.0 ppb (1) 1.0 ppb (1) 0.3 ppb (3) N/A 30.4 μg/m3 (89) 89.0
 
Jan. 21, 2020, 1 a.m. 46.9 ppb (43) 5.3 ppb (5) N/A 42.0 ppb (39) N/A 1.0 ppb (1) 4.0 ppb (3) 0.2 ppb (2) N/A 28.3 μg/m3 (85) 85.0
 
Jan. 21, 2020, midnight 52.1 ppb (48) 9.2 ppb (9) N/A 43.0 ppb (40) N/A 1.0 ppb (1) 4.0 ppb (3) 0.2 ppb (2) N/A 31.7 μg/m3 (92) 92.0
 
Jan. 20, 2020, 11 p.m. 71.2 ppb (68) 24.4 ppb (23) N/A 47.0 ppb (44) N/A 1.0 ppb (1) 4.0 ppb (3) 0.3 ppb (3) N/A 33.2 μg/m3 (95) 95.0
 
Jan. 20, 2020, 10 p.m. 96.7 ppb (95) 45.0 ppb (42) N/A 52.0 ppb (48) N/A 1.0 ppb (1) 6.0 ppb (5) 0.4 ppb (4) N/A 35.6 μg/m3 (100) 100.0
 
Jan. 20, 2020, 9 p.m. 166.3 ppb (113) 102.6 ppb (100) N/A 64.0 ppb (61) N/A 1.0 ppb (1) 4.0 ppb (3) 0.9 ppb (10) N/A 41.6 μg/m3 (115) 115.0
 
Jan. 20, 2020, 8 p.m. 167.7 ppb (113) 107.7 ppb (101) N/A 60.0 ppb (56) N/A 1.0 ppb (1) 5.0 ppb (4) 0.8 ppb (9) N/A 38.6 μg/m3 (108) 113.0
 
Jan. 20, 2020, 7 p.m. 183.0 ppb (116) 123.1 ppb (104) N/A 60.0 ppb (56) N/A 1.0 ppb (1) 4.0 ppb (3) 0.9 ppb (10) N/A 34.9 μg/m3 (99) 116.0
 
Jan. 20, 2020, 6 p.m. 253.4 ppb (129) 188.4 ppb (117) N/A 65.0 ppb (62) N/A 1.0 ppb (1) 3.0 ppb (2) 1.1 ppb (12) N/A 36.2 μg/m3 (102) 129.0
 
Jan. 20, 2020, 5 p.m. 223.4 ppb (124) 163.8 ppb (112) N/A 60.0 ppb (56) N/A 1.0 ppb (1) 4.0 ppb (3) 1.3 ppb (14) N/A 29.0 μg/m3 (86) 124.0
 
Jan. 20, 2020, 4 p.m. 215.8 ppb (122) 161.0 ppb (112) N/A 55.0 ppb (51) N/A 1.0 ppb (1) 3.0 ppb (2) 1.3 ppb (14) N/A 25.8 μg/m3 (79) 122.0
 
Jan. 20, 2020, 3 p.m. 201.5 ppb (119) 150.4 ppb (110) N/A 51.0 ppb (47) N/A 0.0 ppb (0) 1.0 ppb (1) 1.2 ppb (13) N/A 22.6 μg/m3 (73) 119.0
 
Jan. 20, 2020, 2 p.m. 211.8 ppb (121) 160.6 ppb (111) N/A 51.0 ppb (47) N/A 0.0 ppb (0) 1.0 ppb (1) 1.3 ppb (14) N/A 23.6 μg/m3 (75) 121.0
 
Jan. 20, 2020, 1 p.m. 164.4 ppb (112) 116.4 ppb (103) N/A 48.0 ppb (44) N/A 0.0 ppb (0) 1.0 ppb (1) 1.0 ppb (11) N/A 21.8 μg/m3 (71) 112.0
 
Jan. 20, 2020, noon 137.6 ppb (107) 92.9 ppb (91) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) N/A 21.4 μg/m3 (70) 107.0
 
Jan. 20, 2020, 11 a.m. 116.8 ppb (103) 73.7 ppb (71) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 21.2 μg/m3 (70) 103.0
 
Jan. 20, 2020, 10 a.m. 94.3 ppb (93) 53.5 ppb (50) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 19.9 μg/m3 (67) 93.0
 
Jan. 20, 2020, 9 a.m. 79.4 ppb (77) 41.8 ppb (39) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 18.5 μg/m3 (64) 77.0
 
Jan. 20, 2020, 8 a.m. 78.4 ppb (76) 40.7 ppb (38) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 16.4 μg/m3 (59) 76.0
 
Jan. 20, 2020, 7 a.m. 89.3 ppb (88) 49.6 ppb (46) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 14.1 μg/m3 (54) 88.0
 
Jan. 20, 2020, 6 a.m. 92.6 ppb (91) 51.6 ppb (48) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 16.0 μg/m3 (59) 91.0
 
Jan. 20, 2020, 5 a.m. 109.0 ppb (102) 65.6 ppb (62) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) N/A 17.8 μg/m3 (62) 102.0
 
Jan. 20, 2020, 4 a.m. 107.7 ppb (101) 64.2 ppb (61) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 21.0 μg/m3 (69) 101.0
 
Jan. 20, 2020, 3 a.m. 83.1 ppb (81) 38.9 ppb (36) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 20.1 μg/m3 (67) 81.0
 
Jan. 20, 2020, 2 a.m. 54.5 ppb (51) 13.9 ppb (13) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 4.0 ppb (3) 0.4 ppb (4) N/A 13.8 μg/m3 (54) 54.0
 
Jan. 20, 2020, 1 a.m. 29.1 ppb (27) 1.2 ppb (1) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 17.0 ppb (13) 0.1 ppb (1) N/A 12.1 μg/m3 (50) 50.0
 
Jan. 20, 2020, midnight 22.5 ppb (21) 1.6 ppb (1) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 12.1 μg/m3 (50) 50.0
 
Jan. 19, 2020, 11 p.m. 21.2 ppb (20) 3.6 ppb (3) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 9.7 μg/m3 (40) 40.0
 
Jan. 19, 2020, 10 p.m. 25.3 ppb (23) 7.2 ppb (7) N/A 18.0 ppb (17) N/A 1.0 ppb (1) 32.0 ppb (25) 0.1 ppb (1) N/A 8.6 μg/m3 (36) 36.0
 
Jan. 19, 2020, 9 p.m. 31.8 ppb (29) 10.8 ppb (10) N/A 21.0 ppb (19) N/A 1.0 ppb (1) 33.0 ppb (25) 0.1 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 19, 2020, 8 p.m. 37.1 ppb (34) 16.0 ppb (15) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.2 ppb (2) N/A 6.7 μg/m3 (28) 34.0
 
Jan. 19, 2020, 7 p.m. 31.1 ppb (29) 13.7 ppb (13) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 29.0
 
Jan. 19, 2020, 6 p.m. 27.8 ppb (26) 12.0 ppb (11) N/A 16.0 ppb (15) N/A 0.0 ppb (0) 30.0 ppb (23) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 26.0
 
Jan. 19, 2020, 5 p.m. 34.8 ppb (32) 15.5 ppb (14) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 25.0 ppb (19) 0.2 ppb (2) N/A 4.1 μg/m3 (17) 32.0
 
Jan. 19, 2020, 4 p.m. 55.1 ppb (51) 26.6 ppb (25) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 17.0 ppb (13) 0.3 ppb (3) N/A 5.2 μg/m3 (22) 51.0
 
Jan. 19, 2020, 3 p.m. 124.9 ppb (105) 80.8 ppb (79) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 3.0 ppb (2) 0.7 ppb (8) N/A 6.1 μg/m3 (25) 105.0
 
Jan. 19, 2020, 2 p.m. 110.4 ppb (102) 65.3 ppb (62) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 4.8 μg/m3 (20) 102.0
 
Jan. 19, 2020, 1 p.m. 94.1 ppb (93) 49.6 ppb (46) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 5.4 μg/m3 (23) 93.0
 
Jan. 19, 2020, noon 78.7 ppb (76) 35.9 ppb (33) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (2) N/A 5.1 μg/m3 (21) 76.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 1.0 ppb (1) 0.2 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
Jan. 19, 2020, 10 a.m. 81.1 ppb (79) 40.7 ppb (38) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 79.0
 
Jan. 19, 2020, 9 a.m. 77.3 ppb (75) 36.6 ppb (34) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 7.2 μg/m3 (30) 75.0
 
Jan. 19, 2020, 8 a.m. 77.9 ppb (75) 37.8 ppb (35) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 7.9 μg/m3 (33) 75.0
 
Jan. 19, 2020, 7 a.m. 86.4 ppb (84) 45.3 ppb (42) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 8.7 μg/m3 (36) 84.0
 
Jan. 19, 2020, 6 a.m. 83.2 ppb (81) 41.4 ppb (38) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 9.1 μg/m3 (38) 81.0
 
Jan. 19, 2020, 5 a.m. 81.7 ppb (79) 37.5 ppb (35) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 9.9 μg/m3 (41) 79.0
 
Jan. 19, 2020, 4 a.m. 87.7 ppb (86) 42.9 ppb (40) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 2.0 ppb (2) 0.7 ppb (8) N/A 12.8 μg/m3 (52) 86.0
 
Jan. 19, 2020, 3 a.m. 103.0 ppb (100) 57.4 ppb (54) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 12.9 μg/m3 (52) 100.0
 
Jan. 19, 2020, 2 a.m. 69.7 ppb (67) 29.4 ppb (27) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 5.0 ppb (4) 0.6 ppb (7) N/A 10.0 μg/m3 (42) 67.0
 
Jan. 19, 2020, 1 a.m. 75.1 ppb (72) 31.7 ppb (29) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) N/A 9.1 μg/m3 (38) 72.0
 
Jan. 19, 2020, midnight 47.4 ppb (44) 12.1 ppb (11) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 10.0 ppb (8) 0.3 ppb (3) N/A 6.6 μg/m3 (28) 44.0
 
Jan. 18, 2020, 11 p.m. 18.0 ppb (17) 2.8 ppb (3) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 3.8 μg/m3 (16) 25.0
 
Jan. 18, 2020, 10 p.m. 16.9 ppb (16) 4.8 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (27) 0.1 ppb (1) N/A 3.5 μg/m3 (15) 27.0
 
Jan. 18, 2020, 9 p.m. 18.9 ppb (18) 6.8 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 35.0 ppb (27) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 27.0
 
Jan. 18, 2020, 8 p.m. 22.0 ppb (20) 9.2 ppb (9) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 2.7 μg/m3 (11) 25.0
 
Jan. 18, 2020, 7 p.m. 24.6 ppb (23) 11.4 ppb (11) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 24.0
 
Jan. 18, 2020, 6 p.m. 22.6 ppb (21) 10.3 ppb (10) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 24.0
 
Jan. 18, 2020, 5 p.m. 38.0 ppb (35) 18.1 ppb (17) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 23.0 ppb (18) 0.2 ppb (2) N/A 2.6 μg/m3 (11) 35.0
 
Jan. 18, 2020, 4 p.m. 72.7 ppb (70) 38.9 ppb (36) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 10.0 ppb (8) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 70.0
 
Jan. 18, 2020, 3 p.m. 67.0 ppb (64) 29.5 ppb (27) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 6.0 ppb (5) 0.4 ppb (4) N/A 3.0 μg/m3 (12) 64.0
 
Jan. 18, 2020, 2 p.m. 56.9 ppb (53) 17.8 ppb (16) N/A 39.0 ppb (36) N/A 0.0 ppb (0) 2.0 ppb (2) 0.3 ppb (3) N/A 2.7 μg/m3 (11) 53.0
 
Jan. 18, 2020, 1 p.m. 44.7 ppb (41) 8.7 ppb (8) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 5.0 ppb (4) 0.2 ppb (2) N/A 2.4 μg/m3 (10) 41.0
 
Jan. 18, 2020, noon 40.5 ppb (38) 5.7 ppb (5) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 5.0 ppb (4) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 38.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 10.0
 
Jan. 18, 2020, 10 a.m. 32.3 ppb (30) 3.1 ppb (3) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 10.0 ppb (8) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 30.0
 
Jan. 18, 2020, 9 a.m. 34.1 ppb (32) 3.7 ppb (3) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 9.0 ppb (7) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 32.0
 
Jan. 18, 2020, 8 a.m. 30.0 ppb (28) 2.7 ppb (3) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 28.0
 
Jan. 18, 2020, 7 a.m. 39.1 ppb (36) 7.5 ppb (7) N/A 32.0 ppb (30) N/A 0.0 ppb (0) 8.0 ppb (6) 0.2 ppb (2) N/A 3.6 μg/m3 (15) 36.0
 
Jan. 18, 2020, 6 a.m. 50.2 ppb (46) 16.2 ppb (15) N/A 34.0 ppb (31) N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) N/A 3.9 μg/m3 (16) 46.0
 
Jan. 18, 2020, 5 a.m. 65.0 ppb (62) 23.8 ppb (22) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 5.1 μg/m3 (21) 62.0
 
Jan. 18, 2020, 4 a.m. 64.7 ppb (61) 23.0 ppb (21) N/A 42.0 ppb (39) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 5.4 μg/m3 (23) 61.0
 
Jan. 18, 2020, 3 a.m. 79.1 ppb (77) 35.9 ppb (33) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 6.1 μg/m3 (25) 77.0
 
Jan. 18, 2020, 2 a.m. 81.4 ppb (79) 38.7 ppb (36) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 5.4 μg/m3 (23) 79.0
 
Jan. 18, 2020, 1 a.m. 58.1 ppb (54) 20.4 ppb (19) N/A 38.0 ppb (35) N/A 0.0 ppb (0) 5.0 ppb (4) 0.4 ppb (4) N/A 3.5 μg/m3 (15) 54.0
 
Jan. 18, 2020, midnight 14.5 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 30.0 ppb (23) 0.0 ppb (0) N/A 2.7 μg/m3 (11) 23.0
 
Jan. 17, 2020, 11 p.m. 5.8 ppb (5) 1.4 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 1.3 μg/m3 (5) 29.0
 
Jan. 17, 2020, 10 p.m. 5.6 ppb (5) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 30.0
 
Jan. 17, 2020, 9 p.m. 4.7 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 1.3 μg/m3 (5) 31.0
 
Jan. 17, 2020, 8 p.m. 7.4 ppb (7) 3.0 ppb (3) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 1.7 μg/m3 (7) 29.0
 
Jan. 17, 2020, 7 p.m. 11.1 ppb (10) 4.7 ppb (4) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 34.0 ppb (26) 0.0 ppb (0) N/A 2.1 μg/m3 (9) 26.0
 
Jan. 17, 2020, 6 p.m. 17.3 ppb (16) 6.9 ppb (6) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 24.0
 
Jan. 17, 2020, 5 p.m. 18.6 ppb (17) 6.0 ppb (6) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 32.0 ppb (25) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 25.0
 
Jan. 17, 2020, 4 p.m. 8.8 ppb (8) 1.3 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 36.0 ppb (28) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 28.0
 
Jan. 17, 2020, 3 p.m. 9.8 ppb (9) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 37.0 ppb (28) 0.0 ppb (0) N/A 3.1 μg/m3 (13) 28.0
 
Jan. 17, 2020, 2 p.m. 6.8 ppb (6) 0.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 3.3 μg/m3 (14) 31.0
 
Jan. 17, 2020, 1 p.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 3.4 μg/m3 (14) 32.0
 
Jan. 17, 2020, noon 5.0 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 3.6 μg/m3 (15) 32.0
 
Jan. 17, 2020, 11 a.m. 4.8 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 42.0 ppb (32) 0.0 ppb (0) N/A 3.9 μg/m3 (16) 32.0
 
Jan. 17, 2020, 10 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 30.0
 
Jan. 17, 2020, 9 a.m. 3.6 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 32.0
 
Jan. 17, 2020, 8 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 43.0 ppb (33) 0.0 ppb (0) N/A 2.4 μg/m3 (10) 33.0
 
Jan. 17, 2020, 7 a.m. 5.7 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 32.0
 
Jan. 17, 2020, 6 a.m. 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 41.0 ppb (32) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 32.0
 
Jan. 17, 2020, 5 a.m. 20.3 ppb (19) 2.0 ppb (2) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 3.4 μg/m3 (14) 22.0
 
Jan. 17, 2020, 4 a.m. 18.1 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 24.0
 
Jan. 17, 2020, 3 a.m. 22.3 ppb (21) 2.6 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 22.0
 
Jan. 17, 2020, 2 a.m. 22.0 ppb (20) 3.0 ppb (3) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 22.0
 
Jan. 17, 2020, 1 a.m. 24.4 ppb (23) 4.1 ppb (4) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 23.0
 
Jan. 17, 2020, midnight 34.9 ppb (32) 6.5 ppb (6) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A 5.0 μg/m3 (21) 32.0
 
Jan. 16, 2020, 11 p.m. 19.5 ppb (18) 3.1 ppb (3) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 3.7 μg/m3 (15) 25.0
 
Jan. 16, 2020, 10 p.m. 20.9 ppb (19) 6.2 ppb (6) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 4.2 μg/m3 (18) 26.0
 
Jan. 16, 2020, 9 p.m. 18.1 ppb (17) 4.3 ppb (4) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 34.0 ppb (26) 0.0 ppb (0) N/A 4.2 μg/m3 (18) 26.0
 
Jan. 16, 2020, 8 p.m. 16.9 ppb (16) 4.4 ppb (4) N/A 13.0 ppb (12) N/A 0.0 ppb (0) 35.0 ppb (27) 0.0 ppb (0) N/A 4.0 μg/m3 (17) 27.0
 
Jan. 16, 2020, 7 p.m. 14.2 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 29.0
 
Jan. 16, 2020, 6 p.m. 18.6 ppb (17) 6.8 ppb (6) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 36.0 ppb (28) 0.0 ppb (0) N/A 3.7 μg/m3 (15) 28.0
 
Jan. 16, 2020, 5 p.m. 48.8 ppb (45) 20.9 ppb (19) N/A 28.0 ppb (26) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A 5.7 μg/m3 (24) 45.0
 
Jan. 16, 2020, 4 p.m. 56.5 ppb (53) 23.6 ppb (22) N/A 33.0 ppb (31) N/A 0.0 ppb (0) 16.0 ppb (12) 0.4 ppb (4) N/A 5.6 μg/m3 (23) 53.0
 
Jan. 16, 2020, 3 p.m. 74.2 ppb (71) 33.8 ppb (31) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 9.0 ppb (7) 0.7 ppb (8) N/A 5.7 μg/m3 (24) 71.0
 
Jan. 16, 2020, 2 p.m. 80.5 ppb (78) 35.8 ppb (33) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 6.0 ppb (5) 0.7 ppb (8) N/A 5.0 μg/m3 (21) 78.0
 
Jan. 16, 2020, 1 p.m. 32.0 ppb (30) 7.1 ppb (7) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 30.0
 
Jan. 16, 2020, noon 47.5 ppb (44) 11.2 ppb (10) N/A 37.0 ppb (34) N/A 0.0 ppb (0) 9.0 ppb (7) 0.2 ppb (2) N/A 4.6 μg/m3 (19) 44.0
 
Jan. 16, 2020, 11 a.m. 32.7 ppb (30) 4.4 ppb (4) N/A 29.0 ppb (27) N/A 0.0 ppb (0) 16.0 ppb (12) 0.1 ppb (1) N/A 4.5 μg/m3 (19) 30.0
 
Jan. 16, 2020, 10 a.m. 34.4 ppb (32) 3.6 ppb (3) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 12.0 ppb (9) 0.1 ppb (1) N/A 5.1 μg/m3 (21) 32.0
 
Jan. 16, 2020, 9 a.m. 31.5 ppb (29) 2.3 ppb (2) N/A 30.0 ppb (28) N/A 0.0 ppb (0) 13.0 ppb (10) 0.1 ppb (1) N/A 5.8 μg/m3 (24) 29.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 16, 2020, 7 a.m. 96.9 ppb (96) 52.0 ppb (48) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 1.0 ppb (1) 0.5 ppb (6) N/A 10.4 μg/m3 (43) 96.0
 
Jan. 16, 2020, 6 a.m. 128.6 ppb (105) 82.9 ppb (81) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.8 ppb (9) N/A 12.4 μg/m3 (51) 105.0
 
Jan. 16, 2020, 5 a.m. 129.3 ppb (105) 83.2 ppb (81) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 12.5 μg/m3 (51) 105.0
 
Jan. 16, 2020, 4 a.m. 122.9 ppb (104) 77.6 ppb (75) N/A 46.0 ppb (43) N/A 0.0 ppb (0) 1.0 ppb (1) 0.7 ppb (8) N/A 13.9 μg/m3 (54) 104.0
 
Jan. 16, 2020, 3 a.m. 95.2 ppb (94) 51.8 ppb (48) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 1.0 ppb (1) 0.6 ppb (7) N/A 11.9 μg/m3 (50) 94.0
 
Jan. 16, 2020, 2 a.m. 63.5 ppb (60) 20.8 ppb (19) N/A 43.0 ppb (40) N/A 0.0 ppb (0) 1.0 ppb (1) 0.4 ppb (4) N/A 14.1 μg/m3 (54) 60.0
 
Jan. 16, 2020, 1 a.m. 47.0 ppb (44) 7.6 ppb (7) N/A 40.0 ppb (37) N/A 0.0 ppb (0) 5.0 ppb (4) 0.3 ppb (3) N/A 11.8 μg/m3 (49) 49.0
 
Jan. 16, 2020, midnight 39.0 ppb (36) 4.5 ppb (4) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 11.0 ppb (8) 0.2 ppb (2) N/A 8.7 μg/m3 (36) 36.0
 
Jan. 15, 2020, 11 p.m. 50.3 ppb (47) 13.7 ppb (13) N/A 37.0 ppb (34) N/A 1.0 ppb (1) 13.0 ppb (10) 0.2 ppb (2) N/A 7.9 μg/m3 (33) 47.0
 
Jan. 15, 2020, 10 p.m. 27.1 ppb (25) 7.4 ppb (7) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 4.4 μg/m3 (18) 25.0
 
Jan. 15, 2020, 9 p.m. 31.2 ppb (29) 12.1 ppb (11) N/A 19.0 ppb (18) N/A 0.0 ppb (0) 31.0 ppb (24) 0.1 ppb (1) N/A 3.9 μg/m3 (16) 29.0
 
Jan. 15, 2020, 8 p.m. 29.6 ppb (27) 12.7 ppb (12) N/A 17.0 ppb (16) N/A 0.0 ppb (0) 32.0 ppb (25) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 27.0
 
Jan. 15, 2020, 7 p.m. 33.6 ppb (31) 15.8 ppb (15) N/A 18.0 ppb (17) N/A 0.0 ppb (0) 31.0 ppb (24) 0.2 ppb (2) N/A 2.4 μg/m3 (10) 31.0
 
Jan. 15, 2020, 6 p.m. 45.5 ppb (42) 24.3 ppb (23) N/A 21.0 ppb (19) N/A 0.0 ppb (0) 27.0 ppb (21) 0.2 ppb (2) N/A 2.3 μg/m3 (10) 42.0
 
Jan. 15, 2020, 5 p.m. 60.9 ppb (57) 34.7 ppb (32) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 21.0 ppb (16) 0.3 ppb (3) N/A 2.5 μg/m3 (10) 57.0
 
Jan. 15, 2020, 4 p.m. 89.6 ppb (88) 54.5 ppb (51) N/A 35.0 ppb (32) N/A 0.0 ppb (0) 12.0 ppb (9) 0.5 ppb (6) N/A 2.7 μg/m3 (11) 88.0
 
Jan. 15, 2020, 3 p.m. 112.2 ppb (102) 67.8 ppb (65) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 5.0 ppb (4) 0.8 ppb (9) N/A 3.1 μg/m3 (13) 102.0
 
Jan. 15, 2020, 2 p.m. 56.5 ppb (53) 15.7 ppb (15) N/A 41.0 ppb (38) N/A 0.0 ppb (0) 7.0 ppb (5) 0.4 ppb (4) N/A 1.9 μg/m3 (8) 53.0
 
Jan. 15, 2020, 1 p.m. 74.6 ppb (72) 29.6 ppb (27) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 3.0 ppb (2) 0.4 ppb (4) N/A 2.0 μg/m3 (8) 72.0
 
Jan. 15, 2020, noon 144.0 ppb (108) 58.1 ppb (54) N/A 86.0 ppb (84) N/A 0.0 ppb (0) 6.0 ppb (5) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 108.0
 
Jan. 15, 2020, 11 a.m. 95.4 ppb (94) 30.3 ppb (28) N/A 65.0 ppb (62) N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 2.0 μg/m3 (8) 94.0
 
Jan. 15, 2020, 10 a.m. 45.1 ppb (42) 9.0 ppb (8) N/A 36.0 ppb (33) N/A 0.0 ppb (0) 7.0 ppb (5) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 42.0
 
Jan. 15, 2020, 9 a.m. 35.4 ppb (33) 4.8 ppb (4) N/A 31.0 ppb (29) N/A 0.0 ppb (0) 11.0 ppb (8) 0.0 ppb (0) N/A 2.2 μg/m3 (9) 33.0
 
Jan. 15, 2020, 8 a.m. 31.5 ppb (29) 4.8 ppb (4) N/A 27.0 ppb (25) N/A 0.0 ppb (0) 14.0 ppb (11) 0.0 ppb (0) N/A 2.2 μg/m3 (9) 29.0
 
Jan. 15, 2020, 7 a.m. 16.7 ppb (15) 1.5 ppb (1) N/A 15.0 ppb (14) N/A 0.0 ppb (0) 26.0 ppb (20) 0.0 ppb (0) N/A 1.9 μg/m3 (8) 20.0
 
Jan. 15, 2020, 6 a.m. 23.0 ppb (21) 3.1 ppb (3) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 22.0 ppb (17) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 21.0
 
Jan. 15, 2020, 5 a.m. 26.1 ppb (24) 3.6 ppb (3) N/A 23.0 ppb (21) N/A 0.0 ppb (0) 20.0 ppb (15) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 24.0
 
Jan. 15, 2020, 4 a.m. 16.2 ppb (15) 1.9 ppb (2) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 29.0 ppb (22) 0.0 ppb (0) N/A 2.2 μg/m3 (9) 22.0
 
Jan. 15, 2020, 3 a.m. 21.6 ppb (20) 2.3 ppb (2) N/A 20.0 ppb (19) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 3.3 μg/m3 (14) 20.0
 
Jan. 15, 2020, 2 a.m. 70.6 ppb (68) 27.4 ppb (25) N/A 44.0 ppb (41) N/A 0.0 ppb (0) 4.0 ppb (3) 0.5 ppb (6) N/A 4.9 μg/m3 (20) 68.0
 
Jan. 15, 2020, 1 a.m. 68.7 ppb (66) 24.3 ppb (23) N/A 45.0 ppb (42) N/A 0.0 ppb (0) 2.0 ppb (2) 0.6 ppb (7) N/A 4.2 μg/m3 (18) 66.0
 
Jan. 15, 2020, midnight 29.6 ppb (27) 5.0 ppb (5) N/A 25.0 ppb (23) N/A 0.0 ppb (0) 20.0 ppb (15) 0.4 ppb (4) N/A 2.9 μg/m3 (12) 27.0
 
Jan. 14, 2020, 11 p.m. 19.8 ppb (18) 6.0 ppb (6) N/A 14.0 ppb (13) N/A 0.0 ppb (0) 33.0 ppb (25) 0.1 ppb (1) N/A 2.5 μg/m3 (10) 25.0
 
Jan. 14, 2020, 10 p.m. 17.0 ppb (16) 4.8 ppb (4) N/A 12.0 ppb (11) N/A 0.0 ppb (0) 34.0 ppb (26) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 26.0
 
Jan. 14, 2020, 9 p.m. 9.1 ppb (8) 1.5 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 38.0 ppb (29) 0.0 ppb (0) N/A 3.0 μg/m3 (12) 29.0
 
Jan. 14, 2020, 8 p.m. 5.5 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 2.6 μg/m3 (11) 31.0
 
Jan. 14, 2020, 7 p.m. 4.5 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 2.5 μg/m3 (10) 30.0
 
Jan. 14, 2020, 6 p.m. 7.9 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 39.0 ppb (30) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 30.0
 
Jan. 14, 2020, 5 p.m. 7.1 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 2.0 μg/m3 (8) 31.0
 
Jan. 14, 2020, 4 p.m. 7.6 ppb (7) 2.0 ppb (2) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 40.0 ppb (31) 0.0 ppb (0) N/A 2.3 μg/m3 (10) 31.0