AQSQID: 113490354002

Site Name: Nr

Location: Salt Lake City (Clover Crest Number 2), UT

Reporting: True, Located: True

Current AQI: 55.0

Salt Lake City (Clover Crest Number 2) UT, US: 40.662841, -111.901796

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 21, 2020, 6 p.m. 58.5 ppb (55) 28.5 ppb (26) N/A 30.0 ppb (28) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 55.0
 
Jan. 21, 2020, 5 p.m. 36.9 ppb (34) 11.8 ppb (11) N/A 25.0 ppb (23) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A N/A 34.0
 
Jan. 21, 2020, 4 p.m. 73.5 ppb (71) 36.9 ppb (34) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.2 ppb (2) N/A N/A 71.0
 
Jan. 21, 2020, 3 p.m. 97.6 ppb (96) 57.1 ppb (53) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 96.0
 
Jan. 21, 2020, 2 p.m. 75.8 ppb (73) 39.1 ppb (36) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 73.0
 
Jan. 21, 2020, 1 p.m. 43.2 ppb (40) 12.0 ppb (11) N/A 32.0 ppb (30) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A N/A 40.0
 
Jan. 21, 2020, noon 27.7 ppb (26) 2.2 ppb (2) N/A 26.0 ppb (24) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A N/A 26.0
 
Jan. 21, 2020, 11 a.m. 46.5 ppb (43) 9.6 ppb (9) N/A 37.0 ppb (34) N/A N/A -1.0 ppb (0) 0.0 ppb (0) N/A N/A 43.0
 
Jan. 21, 2020, 10 a.m. 48.0 ppb (44) 10.0 ppb (9) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 44.0
 
Jan. 21, 2020, 9 a.m. 55.8 ppb (52) 14.5 ppb (13) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 52.0
 
Jan. 21, 2020, 8 a.m. 46.9 ppb (43) 7.7 ppb (7) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 43.0
 
Jan. 21, 2020, 7 a.m. 45.5 ppb (42) 7.3 ppb (7) N/A 39.0 ppb (36) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A N/A 42.0
 
Jan. 21, 2020, 6 a.m. 50.2 ppb (46) 11.1 ppb (10) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 46.0
 
Jan. 21, 2020, 5 a.m. 66.7 ppb (64) 26.2 ppb (24) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 64.0
 
Jan. 21, 2020, 4 a.m. 68.9 ppb (66) 30.5 ppb (28) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 66.0
 
Jan. 21, 2020, 3 a.m. 68.0 ppb (65) 27.7 ppb (26) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 65.0
 
Jan. 21, 2020, 2 a.m. 67.6 ppb (64) 28.7 ppb (27) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 64.0
 
Jan. 21, 2020, 1 a.m. 42.5 ppb (39) 8.9 ppb (8) N/A 34.0 ppb (31) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A N/A 39.0
 
Jan. 21, 2020, midnight 45.0 ppb (42) 8.3 ppb (8) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 42.0
 
Jan. 20, 2020, 11 p.m. 41.6 ppb (39) 8.9 ppb (8) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 39.0
 
Jan. 20, 2020, 10 p.m. 115.7 ppb (103) 67.9 ppb (65) N/A 48.0 ppb (44) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A N/A 103.0
 
Jan. 20, 2020, 9 p.m. 176.7 ppb (115) 120.7 ppb (104) N/A 56.0 ppb (52) N/A N/A 2.0 ppb (2) 0.8 ppb (9) N/A N/A 115.0
 
Jan. 20, 2020, 8 p.m. 150.5 ppb (110) 101.1 ppb (100) N/A 50.0 ppb (46) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A N/A 110.0
 
Jan. 20, 2020, 7 p.m. 152.7 ppb (110) 101.8 ppb (100) N/A 51.0 ppb (47) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A N/A 110.0
 
Jan. 20, 2020, 6 p.m. 157.1 ppb (111) 109.3 ppb (102) N/A 48.0 ppb (44) N/A N/A 1.0 ppb (1) 0.6 ppb (7) N/A N/A 111.0
 
Jan. 20, 2020, 5 p.m. 172.2 ppb (114) 124.6 ppb (105) N/A 48.0 ppb (44) N/A N/A 1.0 ppb (1) 0.7 ppb (8) N/A N/A 114.0
 
Jan. 20, 2020, 4 p.m. 170.1 ppb (113) 125.3 ppb (105) N/A 45.0 ppb (42) N/A N/A 0.0 ppb (0) 0.9 ppb (10) N/A N/A 113.0
 
Jan. 20, 2020, 3 p.m. 169.8 ppb (113) 127.4 ppb (105) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.9 ppb (10) N/A N/A 113.0
 
Jan. 20, 2020, 2 p.m. 144.3 ppb (108) 103.9 ppb (101) N/A 41.0 ppb (38) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 108.0
 
Jan. 20, 2020, 1 p.m. 116.7 ppb (103) 78.3 ppb (76) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 103.0
 
Jan. 20, 2020, noon 105.6 ppb (101) 68.3 ppb (65) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 101.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) 0.3 ppb (3) N/A N/A 3.0
 
Jan. 20, 2020, 10 a.m. 97.6 ppb (96) 60.9 ppb (57) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 96.0
 
Jan. 20, 2020, 9 a.m. 97.6 ppb (96) 60.4 ppb (57) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 96.0
 
Jan. 20, 2020, 8 a.m. 103.9 ppb (101) 65.7 ppb (62) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 101.0
 
Jan. 20, 2020, 7 a.m. 93.9 ppb (92) 59.4 ppb (56) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 92.0
 
Jan. 20, 2020, 6 a.m. 116.4 ppb (103) 78.0 ppb (76) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 103.0
 
Jan. 20, 2020, 5 a.m. 83.1 ppb (81) 48.7 ppb (45) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 81.0
 
Jan. 20, 2020, 4 a.m. 63.8 ppb (60) 29.7 ppb (28) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 60.0
 
Jan. 20, 2020, 3 a.m. 49.0 ppb (45) 15.5 ppb (14) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 45.0
 
Jan. 20, 2020, 2 a.m. 35.1 ppb (32) 4.4 ppb (4) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A N/A 32.0
 
Jan. 20, 2020, 1 a.m. 22.8 ppb (21) 0.8 ppb (1) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A N/A 21.0
 
Jan. 20, 2020, midnight 23.4 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A N/A 22.0
 
Jan. 19, 2020, 11 p.m. 27.0 ppb (25) 5.4 ppb (5) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 19, 2020, 10 p.m. 34.5 ppb (32) 10.9 ppb (10) N/A 24.0 ppb (22) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 32.0
 
Jan. 19, 2020, 9 p.m. 29.9 ppb (28) 11.9 ppb (11) N/A 18.0 ppb (17) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 28.0
 
Jan. 19, 2020, 8 p.m. 29.1 ppb (27) 13.3 ppb (12) N/A 16.0 ppb (15) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 27.0
 
Jan. 19, 2020, 7 p.m. 37.5 ppb (35) 20.3 ppb (19) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.1 ppb (1) N/A N/A 35.0
 
Jan. 19, 2020, 6 p.m. 28.4 ppb (26) 14.0 ppb (13) N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 26.0
 
Jan. 19, 2020, 5 p.m. 29.6 ppb (27) 14.8 ppb (14) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A N/A 27.0
 
Jan. 19, 2020, 4 p.m. 72.3 ppb (69) 42.0 ppb (39) N/A 31.0 ppb (29) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 69.0
 
Jan. 19, 2020, 3 p.m. 98.1 ppb (97) 61.3 ppb (58) N/A 37.0 ppb (34) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A N/A 97.0
 
Jan. 19, 2020, 2 p.m. 86.4 ppb (84) 48.7 ppb (45) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 84.0
 
Jan. 19, 2020, 1 p.m. 75.5 ppb (73) 37.5 ppb (35) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 73.0
 
Jan. 19, 2020, noon 88.3 ppb (86) 50.1 ppb (46) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 86.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 4.0
 
Jan. 19, 2020, 10 a.m. 120.2 ppb (104) 82.0 ppb (80) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 104.0
 
Jan. 19, 2020, 9 a.m. 98.1 ppb (97) 62.7 ppb (59) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 97.0
 
Jan. 19, 2020, 8 a.m. 112.3 ppb (102) 74.9 ppb (72) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 102.0
 
Jan. 19, 2020, 7 a.m. 121.3 ppb (104) 82.7 ppb (81) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 104.0
 
Jan. 19, 2020, 6 a.m. 115.5 ppb (103) 75.8 ppb (73) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 103.0
 
Jan. 19, 2020, 5 a.m. 115.6 ppb (103) 75.6 ppb (73) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 103.0
 
Jan. 19, 2020, 4 a.m. 105.7 ppb (101) 66.4 ppb (63) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.8 ppb (9) N/A N/A 101.0
 
Jan. 19, 2020, 3 a.m. 72.8 ppb (70) 34.6 ppb (32) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 70.0
 
Jan. 19, 2020, 2 a.m. 50.9 ppb (47) 13.7 ppb (13) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 47.0
 
Jan. 19, 2020, 1 a.m. 34.3 ppb (32) 5.4 ppb (5) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) 0.1 ppb (1) N/A N/A 32.0
 
Jan. 19, 2020, midnight 24.3 ppb (23) 1.9 ppb (2) N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A N/A 23.0
 
Jan. 18, 2020, 11 p.m. 20.4 ppb (19) 7.0 ppb (6) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 20.0
 
Jan. 18, 2020, 10 p.m. 31.0 ppb (29) 14.4 ppb (13) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A N/A 29.0
 
Jan. 18, 2020, 9 p.m. 34.6 ppb (32) 18.0 ppb (17) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A N/A 32.0
 
Jan. 18, 2020, 8 p.m. 35.6 ppb (33) 19.3 ppb (18) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A N/A 33.0
 
Jan. 18, 2020, 7 p.m. 31.7 ppb (29) 18.4 ppb (17) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 29.0
 
Jan. 18, 2020, 6 p.m. 15.6 ppb (14) 7.0 ppb (6) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 21.0
 
Jan. 18, 2020, 5 p.m. 30.9 ppb (29) 15.8 ppb (15) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A N/A 29.0
 
Jan. 18, 2020, 4 p.m. 19.2 ppb (18) 6.4 ppb (6) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A N/A 18.0
 
Jan. 18, 2020, 3 p.m. 51.5 ppb (48) 22.4 ppb (21) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A N/A 48.0
 
Jan. 18, 2020, 2 p.m. 58.6 ppb (55) 25.2 ppb (23) N/A 34.0 ppb (31) N/A N/A 2.0 ppb (2) 0.1 ppb (1) N/A N/A 55.0
 
Jan. 18, 2020, 1 p.m. 32.4 ppb (30) 10.1 ppb (9) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 30.0
 
Jan. 18, 2020, noon 19.2 ppb (18) 2.6 ppb (2) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 18.0
 
Jan. 18, 2020, 11 a.m. 33.5 ppb (31) 7.9 ppb (7) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) N/A N/A N/A 31.0
 
Jan. 18, 2020, 10 a.m. 34.5 ppb (32) 6.9 ppb (6) N/A 28.0 ppb (26) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 32.0
 
Jan. 18, 2020, 9 a.m. 37.4 ppb (35) 7.7 ppb (7) N/A 30.0 ppb (28) N/A N/A 5.0 ppb (4) 0.1 ppb (1) N/A N/A 35.0
 
Jan. 18, 2020, 8 a.m. 44.4 ppb (41) 10.4 ppb (10) N/A 34.0 ppb (31) N/A N/A 1.0 ppb (1) 0.1 ppb (1) N/A N/A 41.0
 
Jan. 18, 2020, 7 a.m. 78.6 ppb (76) 41.0 ppb (38) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 76.0
 
Jan. 18, 2020, 6 a.m. 60.3 ppb (57) 25.8 ppb (24) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.3 ppb (3) N/A N/A 57.0
 
Jan. 18, 2020, 5 a.m. 65.6 ppb (62) 30.9 ppb (29) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) 0.4 ppb (4) N/A N/A 62.0
 
Jan. 18, 2020, 4 a.m. 88.6 ppb (87) 50.7 ppb (47) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 87.0
 
Jan. 18, 2020, 3 a.m. 70.4 ppb (67) 33.3 ppb (31) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 67.0
 
Jan. 18, 2020, 2 a.m. 67.9 ppb (65) 29.8 ppb (28) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 65.0
 
Jan. 18, 2020, 1 a.m. 34.4 ppb (32) 5.4 ppb (5) N/A 29.0 ppb (27) N/A N/A 8.0 ppb (6) 0.1 ppb (1) N/A N/A 32.0
 
Jan. 18, 2020, midnight 25.6 ppb (24) 9.0 ppb (8) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 24.0
 
Jan. 17, 2020, 11 p.m. 5.8 ppb (5) 1.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Jan. 17, 2020, 10 p.m. 4.8 ppb (4) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 17, 2020, 9 p.m. 3.8 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 17, 2020, 8 p.m. 5.1 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 17, 2020, 7 p.m. 12.0 ppb (11) 5.6 ppb (5) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 17, 2020, 6 p.m. 33.6 ppb (31) 16.9 ppb (16) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A N/A 31.0
 
Jan. 17, 2020, 5 p.m. 46.1 ppb (43) 23.6 ppb (22) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) 0.0 ppb (0) N/A N/A 43.0
 
Jan. 17, 2020, 4 p.m. 16.0 ppb (15) 7.5 ppb (7) N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 17, 2020, 3 p.m. 7.9 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 17, 2020, 2 p.m. 35.3 ppb (33) 12.5 ppb (12) N/A 23.0 ppb (21) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 33.0
 
Jan. 17, 2020, 1 p.m. 3.6 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 17, 2020, noon 3.3 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Jan. 17, 2020, 11 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A N/A N/A N/A N/A 3.0
 
Jan. 17, 2020, 10 a.m. 8.1 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 17, 2020, 9 a.m. 5.6 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 17, 2020, 8 a.m. 7.0 ppb (6) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 17, 2020, 7 a.m. 3.7 ppb (3) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 17, 2020, 6 a.m. 4.0 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 17, 2020, 5 a.m. 5.8 ppb (5) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 17, 2020, 4 a.m. 6.5 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Jan. 17, 2020, 3 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Jan. 17, 2020, 2 a.m. 7.9 ppb (7) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Jan. 17, 2020, 1 a.m. 10.7 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Jan. 17, 2020, midnight 12.7 ppb (12) 1.1 ppb (1) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 16, 2020, 11 p.m. 13.3 ppb (12) 1.9 ppb (2) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Jan. 16, 2020, 10 p.m. 11.9 ppb (11) 3.3 ppb (3) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
Jan. 16, 2020, 9 p.m. 12.8 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 16, 2020, 8 p.m. 14.8 ppb (14) 4.6 ppb (4) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 16, 2020, 7 p.m. 13.3 ppb (12) 4.5 ppb (4) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 16, 2020, 6 p.m. 10.8 ppb (10) 4.0 ppb (4) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
Jan. 16, 2020, 5 p.m. 41.1 ppb (38) 21.6 ppb (20) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A N/A 38.0
 
Jan. 16, 2020, 4 p.m. 61.7 ppb (58) 32.4 ppb (30) N/A 30.0 ppb (28) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 58.0
 
Jan. 16, 2020, 3 p.m. 35.8 ppb (33) 13.7 ppb (13) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 33.0
 
Jan. 16, 2020, 2 p.m. 33.4 ppb (31) 8.7 ppb (8) N/A 25.0 ppb (23) N/A N/A 18.0 ppb (14) 0.0 ppb (0) N/A N/A 31.0
 
Jan. 16, 2020, 1 p.m. 47.3 ppb (44) 20.0 ppb (19) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A N/A 44.0
 
Jan. 16, 2020, noon 26.6 ppb (25) 6.7 ppb (6) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A N/A 25.0
 
Jan. 16, 2020, 11 a.m. 23.8 ppb (22) 3.9 ppb (4) N/A 20.0 ppb (19) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 22.0
 
Jan. 16, 2020, 10 a.m. 27.9 ppb (26) 6.1 ppb (6) N/A 22.0 ppb (20) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 26.0
 
Jan. 16, 2020, 9 a.m. 19.1 ppb (18) 2.6 ppb (2) N/A 17.0 ppb (16) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A N/A 18.0
 
Jan. 16, 2020, 8 a.m. 66.2 ppb (63) 30.8 ppb (29) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 63.0
 
Jan. 16, 2020, 7 a.m. 84.5 ppb (82) 44.4 ppb (41) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 82.0
 
Jan. 16, 2020, 6 a.m. 103.5 ppb (100) 59.9 ppb (56) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 100.0
 
Jan. 16, 2020, 5 a.m. 115.6 ppb (103) 70.6 ppb (68) N/A 46.0 ppb (43) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 103.0
 
Jan. 16, 2020, 4 a.m. 110.8 ppb (102) 66.0 ppb (63) N/A 45.0 ppb (42) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 102.0
 
Jan. 16, 2020, 3 a.m. 77.5 ppb (75) 34.8 ppb (32) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 75.0
 
Jan. 16, 2020, 2 a.m. 57.3 ppb (54) 15.6 ppb (14) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 54.0
 
Jan. 16, 2020, 1 a.m. 55.1 ppb (51) 11.5 ppb (11) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 51.0
 
Jan. 16, 2020, midnight 45.6 ppb (42) 7.1 ppb (7) N/A 39.0 ppb (36) N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A N/A 42.0
 
Jan. 15, 2020, 11 p.m. 34.8 ppb (32) 6.8 ppb (6) N/A 28.0 ppb (26) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A N/A 32.0
 
Jan. 15, 2020, 10 p.m. 25.5 ppb (24) 8.5 ppb (8) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 24.0
 
Jan. 15, 2020, 9 p.m. 24.9 ppb (23) 11.1 ppb (10) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.0 ppb (0) N/A N/A 23.0
 
Jan. 15, 2020, 8 p.m. 34.2 ppb (32) 18.7 ppb (17) N/A 16.0 ppb (15) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 32.0
 
Jan. 15, 2020, 7 p.m. 19.5 ppb (18) 10.0 ppb (9) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Jan. 15, 2020, 6 p.m. 59.9 ppb (56) 36.6 ppb (34) N/A 24.0 ppb (22) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A N/A 56.0
 
Jan. 15, 2020, 5 p.m. 115.5 ppb (103) 79.6 ppb (77) N/A 36.0 ppb (33) N/A N/A 10.0 ppb (8) 0.4 ppb (4) N/A N/A 103.0
 
Jan. 15, 2020, 4 p.m. 170.5 ppb (113) 126.8 ppb (105) N/A 44.0 ppb (41) N/A N/A 4.0 ppb (3) 0.8 ppb (9) N/A N/A 113.0
 
Jan. 15, 2020, 3 p.m. 151.4 ppb (110) 109.4 ppb (102) N/A 42.0 ppb (39) N/A N/A 1.0 ppb (1) 0.9 ppb (10) N/A N/A 110.0
 
Jan. 15, 2020, 2 p.m. 155.4 ppb (110) 112.6 ppb (102) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.9 ppb (10) N/A N/A 110.0
 
Jan. 15, 2020, 1 p.m. 126.5 ppb (105) 84.1 ppb (82) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 105.0
 
Jan. 15, 2020, noon 84.2 ppb (82) 46.2 ppb (43) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 82.0
 
Jan. 15, 2020, 11 a.m. 61.4 ppb (58) 24.5 ppb (23) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 58.0
 
Jan. 15, 2020, 10 a.m. 80.2 ppb (78) 41.0 ppb (38) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 78.0
 
Jan. 15, 2020, 9 a.m. 70.5 ppb (68) 32.1 ppb (30) N/A 39.0 ppb (36) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 68.0
 
Jan. 15, 2020, 8 a.m. 43.7 ppb (40) 8.8 ppb (8) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.1 ppb (1) N/A N/A 40.0
 
Jan. 15, 2020, 7 a.m. 60.6 ppb (57) 23.1 ppb (21) N/A 38.0 ppb (35) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 57.0
 
Jan. 15, 2020, 6 a.m. 47.4 ppb (44) 14.2 ppb (13) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) 0.1 ppb (1) N/A N/A 44.0
 
Jan. 15, 2020, 5 a.m. 47.4 ppb (44) 15.0 ppb (14) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.1 ppb (1) N/A N/A 44.0
 
Jan. 15, 2020, 4 a.m. 104.5 ppb (101) 61.2 ppb (58) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 0.6 ppb (7) N/A N/A 101.0
 
Jan. 15, 2020, 3 a.m. 84.7 ppb (83) 42.0 ppb (39) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 83.0
 
Jan. 15, 2020, 2 a.m. 83.3 ppb (81) 39.4 ppb (36) N/A 44.0 ppb (41) N/A N/A 0.0 ppb (0) 0.5 ppb (6) N/A N/A 81.0
 
Jan. 15, 2020, 1 a.m. 57.2 ppb (53) 23.4 ppb (22) N/A 34.0 ppb (31) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 53.0
 
Jan. 15, 2020, midnight 45.0 ppb (42) 21.1 ppb (20) N/A 24.0 ppb (22) N/A N/A 20.0 ppb (15) 0.1 ppb (1) N/A N/A 42.0
 
Jan. 14, 2020, 11 p.m. 31.6 ppb (29) 16.7 ppb (15) N/A 15.0 ppb (14) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 29.0
 
Jan. 14, 2020, 10 p.m. 30.9 ppb (29) 15.5 ppb (14) N/A 16.0 ppb (15) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 29.0
 
Jan. 14, 2020, 9 p.m. 7.1 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 14, 2020, 8 p.m. 9.7 ppb (9) 3.1 ppb (3) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Jan. 14, 2020, 7 p.m. 8.3 ppb (8) 2.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0