AQSQID: 113490354002

Site Name: Nr

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

Reporting: True, Located: True

Current AQI: 54.0

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
Feb. 21, 2020, 5 a.m. 36.8 ppb (34) 4.2 ppb (4) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.2 ppb (2) N/A N/A 34.0
 
Feb. 21, 2020, 4 a.m. 33.1 ppb (31) 2.8 ppb (3) N/A 31.0 ppb (29) N/A N/A 10.0 ppb (8) 0.0 ppb (0) N/A N/A 31.0
 
Feb. 21, 2020, 3 a.m. 30.8 ppb (29) 2.9 ppb (3) N/A 28.0 ppb (26) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 29.0
 
Feb. 21, 2020, 2 a.m. 23.7 ppb (22) 1.2 ppb (1) N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 21, 2020, 1 a.m. 18.2 ppb (17) 0.7 ppb (1) N/A 18.0 ppb (17) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 21, 2020, midnight 22.0 ppb (20) 2.4 ppb (2) N/A 20.0 ppb (19) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 20, 2020, 11 p.m. 23.3 ppb (22) 5.4 ppb (5) N/A 18.0 ppb (17) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 20, 2020, 10 p.m. 35.0 ppb (32) 14.8 ppb (14) N/A 21.0 ppb (19) N/A N/A 30.0 ppb (23) 0.1 ppb (1) N/A N/A 32.0
 
Feb. 20, 2020, 9 p.m. 26.0 ppb (24) 9.9 ppb (9) N/A 16.0 ppb (15) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 20, 2020, 8 p.m. 23.6 ppb (22) 9.6 ppb (9) N/A 14.0 ppb (13) N/A N/A 35.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
Feb. 20, 2020, 7 p.m. 27.0 ppb (25) 12.3 ppb (11) N/A 15.0 ppb (14) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 20, 2020, 6 p.m. 28.8 ppb (27) 13.8 ppb (13) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 27.0
 
Feb. 20, 2020, 5 p.m. 37.4 ppb (35) 20.1 ppb (19) N/A 18.0 ppb (17) N/A N/A 31.0 ppb (24) 0.1 ppb (1) N/A N/A 35.0
 
Feb. 20, 2020, 4 p.m. 54.6 ppb (51) 30.7 ppb (28) N/A 24.0 ppb (22) N/A N/A 24.0 ppb (18) 0.2 ppb (2) N/A N/A 51.0
 
Feb. 20, 2020, 3 p.m. 106.8 ppb (101) 69.5 ppb (66) N/A 38.0 ppb (35) N/A N/A 6.0 ppb (5) 0.5 ppb (6) N/A N/A 101.0
 
Feb. 20, 2020, 2 p.m. 149.3 ppb (109) 108.0 ppb (101) N/A 42.0 ppb (39) N/A N/A 0.0 ppb (0) 0.7 ppb (8) N/A N/A 109.0
 
Feb. 20, 2020, 1 p.m. 70.5 ppb (68) 38.3 ppb (35) N/A 33.0 ppb (31) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A N/A 68.0
 
Feb. 20, 2020, noon 61.3 ppb (58) 27.4 ppb (25) N/A 34.0 ppb (31) N/A N/A 7.0 ppb (5) 0.1 ppb (1) N/A N/A 58.0
 
Feb. 20, 2020, 11 a.m. 70.6 ppb (68) 38.0 ppb (35) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) 0.1 ppb (1) N/A N/A 68.0
 
Feb. 20, 2020, 10 a.m. 15.2 ppb (14) 3.1 ppb (3) N/A 12.0 ppb (11) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 20, 2020, 9 a.m. 17.4 ppb (16) 2.4 ppb (2) N/A 15.0 ppb (14) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A N/A 23.0
 
Feb. 20, 2020, 8 a.m. 14.9 ppb (14) 2.8 ppb (3) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 20, 2020, 7 a.m. 15.6 ppb (14) 3.4 ppb (3) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 20, 2020, 6 a.m. 16.3 ppb (15) 4.1 ppb (4) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 20, 2020, 5 a.m. 19.8 ppb (18) 5.8 ppb (5) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 20, 2020, 4 a.m. 28.4 ppb (26) 10.2 ppb (9) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 20, 2020, 3 a.m. 28.1 ppb (26) 11.7 ppb (11) N/A 17.0 ppb (16) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 20, 2020, 2 a.m. 24.4 ppb (23) 6.8 ppb (6) N/A 18.0 ppb (17) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 23.0
 
Feb. 20, 2020, 1 a.m. 9.3 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 20, 2020, midnight 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Feb. 19, 2020, 11 p.m. 5.2 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Feb. 19, 2020, 10 p.m. 7.4 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Feb. 19, 2020, 9 p.m. 5.2 ppb (5) 1.8 ppb (2) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Feb. 19, 2020, 8 p.m. 5.8 ppb (5) 2.2 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Feb. 19, 2020, 7 p.m. 13.0 ppb (12) 5.9 ppb (5) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 19, 2020, 6 p.m. 14.9 ppb (14) 6.7 ppb (6) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Feb. 19, 2020, 5 p.m. 22.9 ppb (21) 9.4 ppb (9) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 19, 2020, 4 p.m. 59.7 ppb (56) 31.7 ppb (29) N/A 29.0 ppb (27) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A N/A 56.0
 
Feb. 19, 2020, 3 p.m. 52.7 ppb (49) 23.6 ppb (22) N/A 30.0 ppb (28) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 49.0
 
Feb. 19, 2020, 2 p.m. 65.0 ppb (62) 29.9 ppb (28) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 62.0
 
Feb. 19, 2020, 1 p.m. 42.0 ppb (39) 9.5 ppb (9) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.2 ppb (2) N/A N/A 39.0
 
Feb. 19, 2020, noon 25.6 ppb (24) 1.3 ppb (1) N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 19, 2020, 11 a.m. 22.4 ppb (21) 0.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 19, 2020, 10 a.m. 18.7 ppb (17) 1.1 ppb (1) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) N/A N/A N/A 17.0
 
Feb. 19, 2020, 9 a.m. 17.1 ppb (16) 0.9 ppb (1) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) N/A N/A N/A 16.0
 
Feb. 19, 2020, 8 a.m. 30.4 ppb (28) 3.9 ppb (4) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 19, 2020, 7 a.m. 28.8 ppb (27) 1.4 ppb (1) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 27.0
 
Feb. 19, 2020, 6 a.m. 25.9 ppb (24) 1.0 ppb (1) N/A 25.0 ppb (23) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 19, 2020, 5 a.m. 25.6 ppb (24) 1.4 ppb (1) N/A 25.0 ppb (23) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 19, 2020, 4 a.m. 26.2 ppb (24) 2.1 ppb (2) N/A 24.0 ppb (22) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 19, 2020, 3 a.m. 23.1 ppb (21) 1.3 ppb (1) N/A 22.0 ppb (20) N/A N/A 16.0 ppb (12) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 19, 2020, 2 a.m. 18.7 ppb (17) 1.4 ppb (1) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A N/A 17.0
 
Feb. 19, 2020, 1 a.m. 14.8 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 19, 2020, midnight 13.3 ppb (12) 1.2 ppb (1) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A N/A 23.0
 
Feb. 18, 2020, 11 p.m. 12.9 ppb (12) 2.6 ppb (2) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 18, 2020, 10 p.m. 15.7 ppb (15) 6.4 ppb (6) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 18, 2020, 9 p.m. 24.6 ppb (23) 12.3 ppb (11) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 18, 2020, 8 p.m. 16.2 ppb (15) 7.2 ppb (7) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 18, 2020, 7 p.m. 21.7 ppb (20) 10.9 ppb (10) N/A 11.0 ppb (10) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 18, 2020, 6 p.m. 24.6 ppb (23) 12.9 ppb (12) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A N/A 23.0
 
Feb. 18, 2020, 5 p.m. 22.0 ppb (20) 10.0 ppb (9) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 18, 2020, 4 p.m. 61.7 ppb (58) 35.6 ppb (33) N/A 27.0 ppb (25) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 58.0
 
Feb. 18, 2020, 3 p.m. 87.1 ppb (85) 52.0 ppb (48) N/A 36.0 ppb (33) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A N/A 85.0
 
Feb. 18, 2020, 2 p.m. 82.8 ppb (81) 46.1 ppb (43) N/A 37.0 ppb (34) N/A N/A 5.0 ppb (4) 0.4 ppb (4) N/A N/A 81.0
 
Feb. 18, 2020, 1 p.m. 103.5 ppb (100) 63.8 ppb (60) N/A 40.0 ppb (37) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 100.0
 
Feb. 18, 2020, noon 59.7 ppb (56) 25.8 ppb (24) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 56.0
 
Feb. 18, 2020, 11 a.m. 42.3 ppb (39) 9.9 ppb (9) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 39.0
 
Feb. 18, 2020, 10 a.m. 34.3 ppb (32) 7.3 ppb (7) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A N/A 32.0
 
Feb. 18, 2020, 9 a.m. 22.2 ppb (21) 1.8 ppb (2) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 18, 2020, 8 a.m. 24.5 ppb (23) 1.3 ppb (1) N/A 24.0 ppb (22) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 23.0
 
Feb. 18, 2020, 7 a.m. 22.5 ppb (21) 2.6 ppb (2) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (12) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 18, 2020, 6 a.m. 15.7 ppb (15) 2.0 ppb (2) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Feb. 18, 2020, 5 a.m. 7.5 ppb (7) 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
 
Feb. 18, 2020, 4 a.m. 10.3 ppb (10) 2.0 ppb (2) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Feb. 18, 2020, 3 a.m. 7.1 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Feb. 18, 2020, 2 a.m. 6.3 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Feb. 18, 2020, 1 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Feb. 18, 2020, midnight 4.4 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Feb. 17, 2020, 11 p.m. 3.5 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Feb. 17, 2020, 10 p.m. 2.8 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Feb. 17, 2020, 9 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Feb. 17, 2020, 8 p.m. 15.0 ppb (14) 7.0 ppb (6) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 17, 2020, 7 p.m. 12.8 ppb (12) 5.7 ppb (5) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 17, 2020, 6 p.m. 10.5 ppb (10) 5.1 ppb (5) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Feb. 17, 2020, 5 p.m. 27.6 ppb (26) 15.3 ppb (14) N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 17, 2020, 4 p.m. 51.9 ppb (48) 29.5 ppb (27) N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) 0.1 ppb (1) N/A N/A 48.0
 
Feb. 17, 2020, 3 p.m. 55.4 ppb (51) 24.9 ppb (23) N/A 31.0 ppb (29) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A N/A 51.0
 
Feb. 17, 2020, 2 p.m. 49.7 ppb (46) 17.2 ppb (16) N/A 33.0 ppb (31) N/A N/A 7.0 ppb (5) 0.1 ppb (1) N/A N/A 46.0
 
Feb. 17, 2020, 1 p.m. 33.7 ppb (31) 7.7 ppb (7) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 31.0
 
Feb. 17, 2020, noon 19.9 ppb (18) 2.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) N/A N/A N/A 18.0
 
Feb. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Feb. 17, 2020, 10 a.m. 10.3 ppb (10) 1.4 ppb (1) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Feb. 17, 2020, 9 a.m. 8.7 ppb (8) 1.8 ppb (2) N/A 7.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Feb. 17, 2020, 8 a.m. 5.6 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Feb. 17, 2020, 7 a.m. 13.1 ppb (12) 3.3 ppb (3) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) N/A N/A N/A 21.0
 
Feb. 17, 2020, 6 a.m. 17.6 ppb (16) 2.9 ppb (3) N/A 15.0 ppb (14) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Feb. 17, 2020, 5 a.m. 23.9 ppb (22) 2.0 ppb (2) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 17, 2020, 4 a.m. 34.1 ppb (32) 10.7 ppb (10) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A N/A 32.0
 
Feb. 17, 2020, 3 a.m. 31.8 ppb (29) 7.7 ppb (7) N/A 24.0 ppb (22) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 29.0
 
Feb. 17, 2020, 2 a.m. 27.8 ppb (26) 8.1 ppb (8) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 17, 2020, 1 a.m. 14.6 ppb (14) 3.6 ppb (3) N/A 11.0 ppb (10) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Feb. 17, 2020, midnight 25.6 ppb (24) 7.6 ppb (7) N/A 18.0 ppb (17) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 16, 2020, 11 p.m. 19.4 ppb (18) 6.6 ppb (6) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A N/A N/A 18.0
 
Feb. 16, 2020, 10 p.m. 24.8 ppb (23) 8.4 ppb (8) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) N/A N/A N/A 23.0
 
Feb. 16, 2020, 9 p.m. 30.6 ppb (28) 8.8 ppb (8) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 16, 2020, 8 p.m. 35.9 ppb (33) 16.2 ppb (15) N/A 20.0 ppb (19) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A N/A 33.0
 
Feb. 16, 2020, 7 p.m. 40.7 ppb (38) 19.4 ppb (18) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A N/A 38.0
 
Feb. 16, 2020, 6 p.m. 55.8 ppb (52) 27.8 ppb (26) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 52.0
 
Feb. 16, 2020, 5 p.m. 42.5 ppb (39) 16.5 ppb (15) N/A 26.0 ppb (24) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 39.0
 
Feb. 16, 2020, 4 p.m. 27.6 ppb (26) 5.8 ppb (5) N/A 22.0 ppb (20) N/A N/A 9.0 ppb (7) N/A N/A N/A 26.0
 
Feb. 16, 2020, 3 p.m. 36.2 ppb (34) 10.0 ppb (9) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A N/A 34.0
 
Feb. 16, 2020, 2 p.m. 40.8 ppb (38) 8.9 ppb (8) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 38.0
 
Feb. 16, 2020, 1 p.m. 36.8 ppb (34) 4.6 ppb (4) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 34.0
 
Feb. 16, 2020, noon 41.3 ppb (38) 7.5 ppb (7) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 38.0
 
Feb. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A
Feb. 16, 2020, 10 a.m. 45.3 ppb (42) 9.5 ppb (9) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 42.0
 
Feb. 16, 2020, 9 a.m. 48.6 ppb (45) 12.7 ppb (12) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 45.0
 
Feb. 16, 2020, 8 a.m. 28.3 ppb (26) 1.4 ppb (1) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 16, 2020, 7 a.m. 30.7 ppb (28) 2.1 ppb (2) N/A 29.0 ppb (27) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 16, 2020, 6 a.m. 31.0 ppb (29) 4.6 ppb (4) N/A 27.0 ppb (25) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 29.0
 
Feb. 16, 2020, 5 a.m. 15.1 ppb (14) 0.6 ppb (1) N/A 15.0 ppb (14) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Feb. 16, 2020, 4 a.m. 18.5 ppb (17) 1.9 ppb (2) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 17.0
 
Feb. 16, 2020, 3 a.m. 20.9 ppb (19) 0.9 ppb (1) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 19.0
 
Feb. 16, 2020, 2 a.m. 30.1 ppb (28) 8.6 ppb (8) N/A 22.0 ppb (20) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 16, 2020, 1 a.m. 14.6 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Feb. 16, 2020, midnight 19.4 ppb (18) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Feb. 15, 2020, 11 p.m. 18.7 ppb (17) 2.4 ppb (2) N/A 17.0 ppb (16) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Feb. 15, 2020, 10 p.m. 20.9 ppb (19) 5.8 ppb (5) N/A 15.0 ppb (14) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 15, 2020, 9 p.m. 24.2 ppb (22) 7.1 ppb (7) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 15, 2020, 8 p.m. 20.8 ppb (19) 6.4 ppb (6) N/A 15.0 ppb (14) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 19.0
 
Feb. 15, 2020, 7 p.m. 23.9 ppb (22) 10.9 ppb (10) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 15, 2020, 6 p.m. 17.2 ppb (16) 7.5 ppb (7) N/A 10.0 ppb (9) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 20.0
 
Feb. 15, 2020, 5 p.m. 45.1 ppb (42) 24.2 ppb (22) N/A 21.0 ppb (19) N/A N/A 16.0 ppb (12) 0.0 ppb (0) N/A N/A 42.0
 
Feb. 15, 2020, 4 p.m. 70.2 ppb (67) 39.6 ppb (37) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) 0.2 ppb (2) N/A N/A 67.0
 
Feb. 15, 2020, 3 p.m. 103.5 ppb (100) 67.5 ppb (64) N/A 37.0 ppb (34) N/A N/A 0.0 ppb (0) 0.4 ppb (4) N/A N/A 100.0
 
Feb. 15, 2020, 2 p.m. 77.5 ppb (75) 43.1 ppb (40) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) 0.2 ppb (2) N/A N/A 75.0
 
Feb. 15, 2020, 1 p.m. 73.6 ppb (71) 38.4 ppb (36) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 71.0
 
Feb. 15, 2020, noon 55.4 ppb (51) 21.6 ppb (20) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 51.0
 
Feb. 15, 2020, 11 a.m. 57.5 ppb (54) 23.1 ppb (21) N/A 35.0 ppb (32) N/A N/A 0.0 ppb (0) N/A N/A N/A 54.0
 
Feb. 15, 2020, 10 a.m. 61.0 ppb (57) 25.9 ppb (24) N/A 36.0 ppb (33) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 57.0
 
Feb. 15, 2020, 9 a.m. 54.6 ppb (51) 21.0 ppb (19) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 51.0
 
Feb. 15, 2020, 8 a.m. 54.8 ppb (51) 21.7 ppb (20) N/A 34.0 ppb (31) N/A N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 51.0
 
Feb. 15, 2020, 7 a.m. 23.5 ppb (22) 1.8 ppb (2) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A N/A 22.0
 
Feb. 15, 2020, 6 a.m. 31.1 ppb (29) 8.2 ppb (8) N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 0.0 ppb (0) N/A N/A 29.0
 
Feb. 15, 2020, 5 a.m. 17.3 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Feb. 15, 2020, 4 a.m. 9.3 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Feb. 15, 2020, 3 a.m. 9.9 ppb (9) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Feb. 15, 2020, 2 a.m. 11.5 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Feb. 15, 2020, 1 a.m. 13.5 ppb (12) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Feb. 15, 2020, midnight 10.3 ppb (10) 1.0 ppb (1) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 21.0
 
Feb. 14, 2020, 11 p.m. 11.0 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Feb. 14, 2020, 10 p.m. 12.4 ppb (11) 2.7 ppb (3) N/A 10.0 ppb (9) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Feb. 14, 2020, 9 p.m. 16.6 ppb (15) 6.8 ppb (6) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 14, 2020, 8 p.m. 19.4 ppb (18) 9.9 ppb (9) N/A 10.0 ppb (9) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 14, 2020, 7 p.m. 9.6 ppb (9) 3.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Feb. 14, 2020, 6 p.m. 14.0 ppb (13) 5.5 ppb (5) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Feb. 14, 2020, 5 p.m. 52.6 ppb (49) 30.0 ppb (28) N/A 23.0 ppb (21) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A N/A 49.0
 
Feb. 14, 2020, 4 p.m. 89.2 ppb (87) 56.5 ppb (53) N/A 33.0 ppb (31) N/A N/A 11.0 ppb (8) 0.4 ppb (4) N/A N/A 87.0
 
Feb. 14, 2020, 3 p.m. 118.1 ppb (103) 77.9 ppb (75) N/A 41.0 ppb (38) N/A N/A 4.0 ppb (3) 0.7 ppb (8) N/A N/A 103.0
 
Feb. 14, 2020, 2 p.m. 56.7 ppb (53) 28.7 ppb (27) N/A 29.0 ppb (27) N/A N/A 11.0 ppb (8) 0.1 ppb (1) N/A N/A 53.0
 
Feb. 14, 2020, 1 p.m. 61.6 ppb (58) 29.2 ppb (27) N/A 33.0 ppb (31) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 58.0
 
Feb. 14, 2020, noon 64.3 ppb (61) 27.6 ppb (26) N/A 37.0 ppb (34) N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A N/A 61.0
 
Feb. 14, 2020, 11 a.m. 29.3 ppb (27) 8.0 ppb (7) N/A 22.0 ppb (20) N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0
 
Feb. 14, 2020, 10 a.m. 18.5 ppb (17) 3.2 ppb (3) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Feb. 14, 2020, 9 a.m. 27.1 ppb (25) 5.4 ppb (5) N/A 22.0 ppb (20) N/A N/A 17.0 ppb (13) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 14, 2020, 8 a.m. 35.1 ppb (32) 9.1 ppb (8) N/A 26.0 ppb (24) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A N/A 32.0
 
Feb. 14, 2020, 7 a.m. 28.2 ppb (26) 7.1 ppb (7) N/A 22.0 ppb (20) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 26.0
 
Feb. 14, 2020, 6 a.m. 72.0 ppb (69) 29.9 ppb (28) N/A 43.0 ppb (40) N/A N/A 0.0 ppb (0) 0.3 ppb (3) N/A N/A 69.0