ID: 7748

AQSQID: 113490354002

Site Name: Nr

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

Updated: Sept. 21, 2020, 2:39 a.m.

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

Reporting: True, Located: True

Current AQI: 38.0

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
Sept. 21, 2020, 1 a.m. 8.2 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 49.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Sept. 21, 2020, midnight 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) 0.0 ppb (0) N/A N/A 44.0
 
Sept. 20, 2020, 11 p.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 63.0 ppb (48) 0.0 ppb (0) N/A N/A 48.0
 
Sept. 20, 2020, 10 p.m. 5.5 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 63.0 ppb (48) 0.0 ppb (0) N/A N/A 48.0
 
Sept. 20, 2020, 9 p.m. 6.0 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (48) 0.0 ppb (0) N/A N/A 48.0
 
Sept. 20, 2020, 8 p.m. 5.2 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 60.0 ppb (46) 0.0 ppb (0) N/A N/A 46.0
 
Sept. 20, 2020, 7 p.m. 7.1 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 57.0 ppb (44) 0.0 ppb (0) N/A N/A 44.0
 
Sept. 20, 2020, 6 p.m. 11.5 ppb (11) 3.7 ppb (3) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
Sept. 20, 2020, 5 p.m. 9.3 ppb (9) 2.5 ppb (2) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 20, 2020, 4 p.m. 19.7 ppb (18) 7.6 ppb (7) N/A 12.0 ppb (11) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Sept. 20, 2020, 3 p.m. 16.4 ppb (15) 4.7 ppb (4) N/A 12.0 ppb (11) N/A N/A 26.0 ppb (20) 0.0 ppb (0) N/A N/A 20.0
 
Sept. 20, 2020, 2 p.m. 31.3 ppb (29) 13.9 ppb (13) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.1 ppb (1) N/A N/A 29.0
 
Sept. 20, 2020, 1 p.m. 24.1 ppb (22) 7.4 ppb (7) N/A 17.0 ppb (16) N/A N/A 3.0 ppb (2) 0.0 ppb (0) N/A N/A 22.0
 
Sept. 20, 2020, noon 25.0 ppb (23) 7.3 ppb (7) N/A 18.0 ppb (17) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 23.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 4.0
 
Sept. 20, 2020, 10 a.m. 20.7 ppb (19) 3.8 ppb (4) N/A 17.0 ppb (16) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 19.0
 
Sept. 20, 2020, 9 a.m. 17.9 ppb (17) 2.9 ppb (3) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.0 ppb (0) N/A N/A 17.0
 
Sept. 20, 2020, 8 a.m. 9.2 ppb (9) 0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 18.0 ppb (14) 0.0 ppb (0) N/A N/A 14.0
 
Sept. 20, 2020, 7 a.m. 7.9 ppb (7) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 20, 2020, 6 a.m. 9.3 ppb (9) 1.1 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 20, 2020, 5 a.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 20, 2020, 4 a.m. 9.7 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.0 ppb (0) N/A N/A 26.0
 
Sept. 20, 2020, 3 a.m. 11.9 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Sept. 20, 2020, 2 a.m. 20.8 ppb (19) 1.1 ppb (1) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.1 ppb (1) N/A N/A 19.0
 
Sept. 20, 2020, 1 a.m. 22.5 ppb (21) 4.7 ppb (4) N/A 18.0 ppb (17) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 20, 2020, midnight 24.8 ppb (23) 8.2 ppb (8) N/A 17.0 ppb (16) N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A N/A 31.0
 
Sept. 19, 2020, 11 p.m. 14.2 ppb (13) 4.4 ppb (4) N/A 10.0 ppb (9) N/A N/A 46.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 19, 2020, 10 p.m. 5.1 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Sept. 19, 2020, 9 p.m. 10.0 ppb (9) 2.6 ppb (2) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 19, 2020, 8 p.m. 12.8 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
Sept. 19, 2020, 7 p.m. 26.2 ppb (24) 10.9 ppb (10) N/A 15.0 ppb (14) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 19, 2020, 6 p.m. 14.5 ppb (13) 4.7 ppb (4) N/A 10.0 ppb (9) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 19, 2020, 5 p.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 19, 2020, 4 p.m. 7.6 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 19, 2020, 3 p.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
Sept. 19, 2020, 2 p.m. 10.7 ppb (10) 2.5 ppb (2) N/A 8.0 ppb (7) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 19, 2020, 1 p.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 19, 2020, noon 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
Sept. 19, 2020, 11 a.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 19, 2020, 10 a.m. 2.2 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 19, 2020, 9 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
Sept. 19, 2020, 8 a.m. 3.8 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 19, 2020, 7 a.m. 7.0 ppb (6) 1.1 ppb (1) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
Sept. 19, 2020, 6 a.m. 11.9 ppb (11) 0.3 ppb (0) N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 19, 2020, 5 a.m. 19.6 ppb (18) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 32.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Sept. 19, 2020, 4 a.m. 13.9 ppb (13) 1.2 ppb (1) N/A 13.0 ppb (12) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 19, 2020, 3 a.m. 18.0 ppb (17) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Sept. 19, 2020, 2 a.m. 26.9 ppb (25) 1.7 ppb (2) N/A 25.0 ppb (23) N/A N/A 24.0 ppb (18) 0.1 ppb (1) N/A N/A 25.0
 
Sept. 19, 2020, 1 a.m. 39.9 ppb (37) 9.9 ppb (9) N/A 30.0 ppb (28) N/A N/A 25.0 ppb (19) 0.2 ppb (2) N/A N/A 37.0
 
Sept. 19, 2020, midnight 42.3 ppb (39) 14.8 ppb (14) N/A 28.0 ppb (26) N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 39.0
 
Sept. 18, 2020, 11 p.m. 33.0 ppb (31) 12.0 ppb (11) N/A 21.0 ppb (19) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A N/A 31.0
 
Sept. 18, 2020, 10 p.m. 29.7 ppb (28) 12.9 ppb (12) N/A 17.0 ppb (16) N/A N/A 41.0 ppb (32) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 18, 2020, 9 p.m. 19.5 ppb (18) 7.4 ppb (7) N/A 12.0 ppb (11) N/A N/A 46.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 18, 2020, 8 p.m. 12.9 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A N/A 47.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Sept. 18, 2020, 7 p.m. 16.3 ppb (15) 4.5 ppb (4) N/A 12.0 ppb (11) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 18, 2020, 6 p.m. 10.8 ppb (10) 2.4 ppb (2) N/A 9.0 ppb (8) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 18, 2020, 5 p.m. 9.1 ppb (8) 1.9 ppb (2) N/A 7.0 ppb (6) N/A N/A 44.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
Sept. 18, 2020, 4 p.m. 16.5 ppb (15) 5.7 ppb (5) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) 0.0 ppb (0) N/A N/A 29.0
 
Sept. 18, 2020, 3 p.m. 61.5 ppb (58) 32.3 ppb (30) N/A 29.0 ppb (27) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 58.0
 
Sept. 18, 2020, 2 p.m. 67.5 ppb (64) 35.2 ppb (33) N/A 33.0 ppb (31) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A N/A 64.0
 
Sept. 18, 2020, 1 p.m. 57.5 ppb (54) 26.9 ppb (25) N/A 31.0 ppb (29) N/A N/A 15.0 ppb (12) 0.2 ppb (2) N/A N/A 54.0
 
Sept. 18, 2020, noon 35.6 ppb (33) 16.7 ppb (15) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A N/A 33.0
 
Sept. 18, 2020, 11 a.m. 20.3 ppb (19) 7.0 ppb (6) N/A 13.0 ppb (12) N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0
 
Sept. 18, 2020, 10 a.m. 24.6 ppb (23) 4.6 ppb (4) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.0 ppb (0) N/A N/A 23.0
 
Sept. 18, 2020, 9 a.m. 29.6 ppb (27) 6.0 ppb (6) N/A 24.0 ppb (22) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A N/A 27.0
 
Sept. 18, 2020, 8 a.m. 23.2 ppb (21) 4.0 ppb (4) N/A 19.0 ppb (18) N/A N/A 25.0 ppb (19) 0.0 ppb (0) N/A N/A 21.0
 
Sept. 18, 2020, 7 a.m. 33.2 ppb (31) 3.9 ppb (4) N/A 29.0 ppb (27) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A N/A 31.0
 
Sept. 18, 2020, 6 a.m. 40.9 ppb (38) 5.6 ppb (5) N/A 35.0 ppb (32) N/A N/A 12.0 ppb (9) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 18, 2020, 5 a.m. 42.5 ppb (39) 5.3 ppb (5) N/A 37.0 ppb (34) N/A N/A 10.0 ppb (8) 0.2 ppb (2) N/A N/A 39.0
 
Sept. 18, 2020, 4 a.m. 51.2 ppb (47) 10.5 ppb (10) N/A 41.0 ppb (38) N/A N/A 11.0 ppb (8) 0.4 ppb (4) N/A N/A 47.0
 
Sept. 18, 2020, 3 a.m. 54.5 ppb (51) 8.1 ppb (8) N/A 47.0 ppb (44) N/A N/A 6.0 ppb (5) 0.3 ppb (3) N/A N/A 51.0
 
Sept. 18, 2020, 2 a.m. 42.2 ppb (39) 7.4 ppb (7) N/A 35.0 ppb (32) N/A N/A 27.0 ppb (21) 0.2 ppb (2) N/A N/A 39.0
 
Sept. 18, 2020, 1 a.m. 18.4 ppb (17) 0.5 ppb (0) N/A 18.0 ppb (17) N/A N/A 47.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Sept. 18, 2020, midnight 11.0 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 63.0 ppb (48) 0.0 ppb (0) N/A N/A 48.0
 
Sept. 17, 2020, 11 p.m. 9.6 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 65.0 ppb (50) 0.0 ppb (0) N/A N/A 50.0
 
Sept. 17, 2020, 10 p.m. 11.9 ppb (11) 1.5 ppb (1) N/A 10.0 ppb (9) N/A N/A 65.0 ppb (50) 0.0 ppb (0) N/A N/A 50.0
 
Sept. 17, 2020, 9 p.m. 9.8 ppb (9) 2.2 ppb (2) N/A 8.0 ppb (7) N/A N/A 62.0 ppb (48) 0.0 ppb (0) N/A N/A 48.0
 
Sept. 17, 2020, 8 p.m. 11.6 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A 59.0 ppb (45) 0.0 ppb (0) N/A N/A 45.0
 
Sept. 17, 2020, 7 p.m. 20.6 ppb (19) 5.9 ppb (5) N/A 15.0 ppb (14) N/A N/A 53.0 ppb (41) 0.0 ppb (0) N/A N/A 41.0
 
Sept. 17, 2020, 6 p.m. 39.9 ppb (37) 16.8 ppb (16) N/A 23.0 ppb (21) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A N/A 37.0
 
Sept. 17, 2020, 5 p.m. 49.4 ppb (46) 23.6 ppb (22) N/A 26.0 ppb (24) N/A N/A 29.0 ppb (22) 0.1 ppb (1) N/A N/A 46.0
 
Sept. 17, 2020, 4 p.m. 30.4 ppb (28) 12.0 ppb (11) N/A 18.0 ppb (17) N/A N/A 30.0 ppb (23) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 17, 2020, 3 p.m. 33.6 ppb (31) 12.4 ppb (11) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 17, 2020, 2 p.m. 88.5 ppb (87) 51.5 ppb (48) N/A 37.0 ppb (34) N/A N/A 7.0 ppb (5) 0.4 ppb (4) N/A N/A 87.0
 
Sept. 17, 2020, 1 p.m. 95.3 ppb (94) 60.1 ppb (56) N/A 35.0 ppb (32) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A N/A 94.0
 
Sept. 17, 2020, noon 77.9 ppb (75) 42.4 ppb (39) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.3 ppb (3) N/A N/A 75.0
 
Sept. 17, 2020, 11 a.m. 55.2 ppb (51) 23.3 ppb (22) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) 0.1 ppb (1) N/A N/A 51.0
 
Sept. 17, 2020, 10 a.m. 40.0 ppb (37) 9.8 ppb (9) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) 0.0 ppb (0) N/A N/A 37.0
 
Sept. 17, 2020, 9 a.m. 33.5 ppb (31) 6.4 ppb (6) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 17, 2020, 8 a.m. 36.8 ppb (34) 5.8 ppb (5) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A N/A 34.0
 
Sept. 17, 2020, 7 a.m. 33.7 ppb (31) 3.7 ppb (3) N/A 30.0 ppb (28) N/A N/A 7.0 ppb (5) 0.1 ppb (1) N/A N/A 31.0
 
Sept. 17, 2020, 6 a.m. 47.1 ppb (44) 11.0 ppb (10) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A N/A 44.0
 
Sept. 17, 2020, 5 a.m. 45.6 ppb (42) 9.5 ppb (9) N/A 36.0 ppb (33) N/A N/A 2.0 ppb (2) 0.2 ppb (2) N/A N/A 42.0
 
Sept. 17, 2020, 4 a.m. 47.7 ppb (44) 9.7 ppb (9) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 44.0
 
Sept. 17, 2020, 3 a.m. 49.2 ppb (46) 8.7 ppb (8) N/A 41.0 ppb (38) N/A N/A 4.0 ppb (3) 0.4 ppb (4) N/A N/A 46.0
 
Sept. 17, 2020, 2 a.m. 56.9 ppb (53) 13.3 ppb (12) N/A 44.0 ppb (41) N/A N/A 8.0 ppb (6) 0.4 ppb (4) N/A N/A 53.0
 
Sept. 17, 2020, 1 a.m. 25.1 ppb (23) 1.7 ppb (2) N/A 23.0 ppb (21) N/A N/A 27.0 ppb (21) 0.0 ppb (0) N/A N/A 23.0
 
Sept. 17, 2020, midnight 9.7 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 47.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Sept. 16, 2020, 11 p.m. 6.8 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 56.0 ppb (43) 0.0 ppb (0) N/A N/A 43.0
 
Sept. 16, 2020, 10 p.m. 9.8 ppb (9) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 57.0 ppb (44) 0.0 ppb (0) N/A N/A 44.0
 
Sept. 16, 2020, 9 p.m. 13.3 ppb (12) 3.8 ppb (4) N/A 10.0 ppb (9) N/A N/A 57.0 ppb (44) 0.0 ppb (0) N/A N/A 44.0
 
Sept. 16, 2020, 8 p.m. 10.8 ppb (10) 3.3 ppb (3) N/A 8.0 ppb (7) N/A N/A 59.0 ppb (45) 0.0 ppb (0) N/A N/A 45.0
 
Sept. 16, 2020, 7 p.m. 13.4 ppb (12) 4.5 ppb (4) N/A 9.0 ppb (8) N/A N/A 54.0 ppb (42) 0.0 ppb (0) N/A N/A 42.0
 
Sept. 16, 2020, 6 p.m. 20.2 ppb (19) 7.6 ppb (7) N/A 13.0 ppb (12) N/A N/A 43.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
Sept. 16, 2020, 5 p.m. 14.3 ppb (13) 3.8 ppb (4) N/A 11.0 ppb (10) N/A N/A 37.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 16, 2020, 4 p.m. 21.5 ppb (20) 6.5 ppb (6) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.0 ppb (0) N/A N/A 22.0
 
Sept. 16, 2020, 3 p.m. 54.3 ppb (50) 26.0 ppb (24) N/A 29.0 ppb (27) N/A N/A 16.0 ppb (12) 0.1 ppb (1) N/A N/A 50.0
 
Sept. 16, 2020, 2 p.m. 107.0 ppb (101) 67.0 ppb (64) N/A 40.0 ppb (37) N/A N/A 4.0 ppb (3) 0.5 ppb (6) N/A N/A 101.0
 
Sept. 16, 2020, 1 p.m. 85.5 ppb (84) 47.6 ppb (44) N/A 38.0 ppb (35) N/A N/A 3.0 ppb (2) 0.3 ppb (3) N/A N/A 84.0
 
Sept. 16, 2020, noon 61.4 ppb (58) 30.7 ppb (28) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) 0.2 ppb (2) N/A N/A 58.0
 
Sept. 16, 2020, 11 a.m. 53.0 ppb (49) 22.1 ppb (20) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 49.0
 
Sept. 16, 2020, 10 a.m. 56.8 ppb (53) 25.4 ppb (24) N/A 32.0 ppb (30) N/A N/A 1.0 ppb (1) 0.0 ppb (0) N/A N/A 53.0
 
Sept. 16, 2020, 9 a.m. 44.0 ppb (41) 13.2 ppb (12) N/A 31.0 ppb (29) N/A N/A 2.0 ppb (2) 0.0 ppb (0) N/A N/A 41.0
 
Sept. 16, 2020, 8 a.m. 28.8 ppb (27) 3.8 ppb (4) N/A 25.0 ppb (23) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A N/A 27.0
 
Sept. 16, 2020, 7 a.m. 58.2 ppb (54) 20.4 ppb (19) N/A 38.0 ppb (35) N/A N/A 1.0 ppb (1) 0.1 ppb (1) N/A N/A 54.0
 
Sept. 16, 2020, 6 a.m. 35.1 ppb (32) 6.7 ppb (6) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.1 ppb (1) N/A N/A 32.0
 
Sept. 16, 2020, 5 a.m. 44.4 ppb (41) 9.7 ppb (9) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) 0.2 ppb (2) N/A N/A 41.0
 
Sept. 16, 2020, 4 a.m. 32.8 ppb (30) 1.5 ppb (1) N/A 31.0 ppb (29) N/A N/A 9.0 ppb (7) 0.2 ppb (2) N/A N/A 30.0
 
Sept. 16, 2020, 3 a.m. 35.6 ppb (33) 3.7 ppb (3) N/A 32.0 ppb (30) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 33.0
 
Sept. 16, 2020, 2 a.m. 44.3 ppb (41) 11.7 ppb (11) N/A 33.0 ppb (31) N/A N/A 19.0 ppb (15) 0.2 ppb (2) N/A N/A 41.0
 
Sept. 16, 2020, 1 a.m. 16.6 ppb (15) 1.7 ppb (2) N/A 15.0 ppb (14) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 16, 2020, midnight 6.4 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 53.0 ppb (41) 0.0 ppb (0) N/A N/A 41.0
 
Sept. 15, 2020, 11 p.m. 6.2 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 55.0 ppb (42) 0.0 ppb (0) N/A N/A 42.0
 
Sept. 15, 2020, 10 p.m. 5.9 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 55.0 ppb (42) 0.0 ppb (0) N/A N/A 42.0
 
Sept. 15, 2020, 9 p.m. 6.7 ppb (6) 1.4 ppb (1) N/A 5.0 ppb (5) N/A N/A 57.0 ppb (44) 0.0 ppb (0) N/A N/A 44.0
 
Sept. 15, 2020, 8 p.m. 9.6 ppb (9) 2.2 ppb (2) N/A 7.0 ppb (6) N/A N/A 54.0 ppb (42) 0.0 ppb (0) N/A N/A 42.0
 
Sept. 15, 2020, 7 p.m. 10.8 ppb (10) 3.7 ppb (3) N/A 7.0 ppb (6) N/A N/A 50.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Sept. 15, 2020, 6 p.m. 16.8 ppb (16) 5.3 ppb (5) N/A 12.0 ppb (11) N/A N/A 40.0 ppb (31) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 15, 2020, 5 p.m. 25.1 ppb (23) 9.2 ppb (9) N/A 16.0 ppb (15) N/A N/A 31.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Sept. 15, 2020, 4 p.m. 62.0 ppb (59) 32.9 ppb (30) N/A 29.0 ppb (27) N/A N/A 17.0 ppb (13) 0.2 ppb (2) N/A N/A 59.0
 
Sept. 15, 2020, 3 p.m. 73.8 ppb (71) 41.6 ppb (39) N/A 32.0 ppb (30) N/A N/A 11.0 ppb (8) 0.3 ppb (3) N/A N/A 71.0
 
Sept. 15, 2020, 2 p.m. 94.1 ppb (93) 59.2 ppb (56) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) 0.5 ppb (6) N/A N/A 93.0
 
Sept. 15, 2020, 1 p.m. 52.9 ppb (49) 23.2 ppb (21) N/A 30.0 ppb (28) N/A N/A 9.0 ppb (7) 0.1 ppb (1) N/A N/A 49.0
 
Sept. 15, 2020, noon 67.6 ppb (64) 36.5 ppb (34) N/A 31.0 ppb (29) N/A N/A 5.0 ppb (4) 0.2 ppb (2) N/A N/A 64.0
 
Sept. 15, 2020, 11 a.m. 32.4 ppb (30) 9.3 ppb (9) N/A 23.0 ppb (21) N/A N/A 14.0 ppb (11) 0.0 ppb (0) N/A N/A 30.0
 
Sept. 15, 2020, 10 a.m. 26.8 ppb (25) 5.5 ppb (5) N/A 21.0 ppb (19) N/A N/A 13.0 ppb (10) 0.0 ppb (0) N/A N/A 25.0
 
Sept. 15, 2020, 9 a.m. 18.2 ppb (17) 1.6 ppb (1) N/A 17.0 ppb (16) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 17.0
 
Sept. 15, 2020, 8 a.m. 29.1 ppb (27) 2.4 ppb (2) N/A 27.0 ppb (25) N/A N/A 6.0 ppb (5) 0.0 ppb (0) N/A N/A 27.0
 
Sept. 15, 2020, 7 a.m. 33.5 ppb (31) 5.1 ppb (5) N/A 29.0 ppb (27) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 15, 2020, 6 a.m. 41.3 ppb (38) 6.1 ppb (6) N/A 35.0 ppb (32) N/A N/A 3.0 ppb (2) 0.1 ppb (1) N/A N/A 38.0
 
Sept. 15, 2020, 5 a.m. 48.3 ppb (45) 10.3 ppb (10) N/A 38.0 ppb (35) N/A N/A 2.0 ppb (2) 0.3 ppb (3) N/A N/A 45.0
 
Sept. 15, 2020, 4 a.m. 55.5 ppb (52) 14.3 ppb (13) N/A 41.0 ppb (38) N/A N/A 2.0 ppb (2) 0.4 ppb (4) N/A N/A 52.0
 
Sept. 15, 2020, 3 a.m. 55.4 ppb (51) 13.9 ppb (13) N/A 42.0 ppb (39) N/A N/A 4.0 ppb (3) 0.4 ppb (4) N/A N/A 51.0
 
Sept. 15, 2020, 2 a.m. 39.7 ppb (37) 6.5 ppb (6) N/A 33.0 ppb (31) N/A N/A 14.0 ppb (11) 0.2 ppb (2) N/A N/A 37.0
 
Sept. 15, 2020, 1 a.m. 19.9 ppb (18) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
Sept. 15, 2020, midnight 10.1 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (8) N/A N/A 49.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Sept. 14, 2020, 11 p.m. 11.9 ppb (11) 3.5 ppb (3) N/A 8.0 ppb (7) N/A N/A 51.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
Sept. 14, 2020, 10 p.m. 19.3 ppb (18) 7.6 ppb (7) N/A 12.0 ppb (11) N/A N/A 46.0 ppb (35) 0.1 ppb (1) N/A N/A 35.0
 
Sept. 14, 2020, 9 p.m. 8.7 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 50.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Sept. 14, 2020, 8 p.m. 31.5 ppb (29) 15.2 ppb (14) N/A 16.0 ppb (15) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A N/A 30.0
 
Sept. 14, 2020, 7 p.m. 10.6 ppb (10) 3.6 ppb (3) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
Sept. 14, 2020, 6 p.m. 11.4 ppb (11) 3.6 ppb (3) N/A 8.0 ppb (7) N/A N/A 41.0 ppb (32) 0.0 ppb (0) N/A N/A 32.0
 
Sept. 14, 2020, 5 p.m. 18.0 ppb (17) 7.3 ppb (7) N/A 11.0 ppb (10) N/A N/A 36.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Sept. 14, 2020, 4 p.m. 44.7 ppb (41) 24.0 ppb (22) N/A 21.0 ppb (19) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 41.0
 
Sept. 14, 2020, 3 p.m. 51.7 ppb (48) 27.9 ppb (26) N/A 24.0 ppb (22) N/A N/A 19.0 ppb (15) 0.1 ppb (1) N/A N/A 48.0
 
Sept. 14, 2020, 2 p.m. 57.6 ppb (54) 30.2 ppb (28) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) 0.1 ppb (1) N/A N/A 54.0
 
Sept. 14, 2020, 1 p.m. 59.6 ppb (56) 30.2 ppb (28) N/A 30.0 ppb (28) N/A N/A 13.0 ppb (10) 0.2 ppb (2) N/A N/A 56.0
 
Sept. 14, 2020, noon 42.8 ppb (40) 19.5 ppb (18) N/A 23.0 ppb (21) N/A N/A 21.0 ppb (16) 0.0 ppb (0) N/A N/A 40.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.0 ppb (0) N/A N/A 15.0
 
Sept. 14, 2020, 10 a.m. 15.3 ppb (14) 3.9 ppb (4) N/A 11.0 ppb (10) N/A N/A 28.0 ppb (22) 0.0 ppb (0) N/A N/A 22.0
 
Sept. 14, 2020, 9 a.m. 24.4 ppb (23) 3.2 ppb (3) N/A 21.0 ppb (19) N/A N/A 19.0 ppb (15) 0.0 ppb (0) N/A N/A 23.0
 
Sept. 14, 2020, 8 a.m. 18.1 ppb (17) 1.1 ppb (1) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.0 ppb (0) N/A N/A 18.0
 
Sept. 14, 2020, 7 a.m. 33.5 ppb (31) 4.8 ppb (4) N/A 29.0 ppb (27) N/A N/A 12.0 ppb (9) 0.0 ppb (0) N/A N/A 31.0
 
Sept. 14, 2020, 6 a.m. 36.8 ppb (34) 4.5 ppb (4) N/A 32.0 ppb (30) N/A N/A 8.0 ppb (6) 0.2 ppb (2) N/A N/A 34.0
 
Sept. 14, 2020, 5 a.m. 32.3 ppb (30) 2.4 ppb (2) N/A 30.0 ppb (28) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A N/A 30.0
 
Sept. 14, 2020, 4 a.m. 44.4 ppb (41) 5.8 ppb (5) N/A 39.0 ppb (36) N/A N/A 4.0 ppb (3) 0.3 ppb (3) N/A N/A 41.0
 
Sept. 14, 2020, 3 a.m. 32.1 ppb (30) 3.1 ppb (3) N/A 29.0 ppb (27) N/A N/A 18.0 ppb (14) 0.2 ppb (2) N/A N/A 30.0
 
Sept. 14, 2020, 2 a.m. 27.0 ppb (25) 6.6 ppb (6) N/A 20.0 ppb (19) N/A N/A 35.0 ppb (27) 0.1 ppb (1) N/A N/A 27.0