ID: 7748

AQSQID: 113490354002

Site Name: Nr

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

Updated: March 7, 2021, 2:32 p.m.

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

Reporting: True, Located: True

Current AQI: 50.0

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
March 7, 2021, 1 p.m. 52.9 ppb (50) 22.7 ppb (22) N/A 30.0 ppb (29) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 50.0
 
March 7, 2021, noon 48.2 ppb (46) 17.2 ppb (17) N/A 31.0 ppb (30) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 46.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) 0.0 ppb (0) N/A N/A 3.0
 
March 7, 2021, 10 a.m. 27.0 ppb (26) 5.0 ppb (5) N/A 22.0 ppb (21) N/A N/A 11.0 ppb (11) 0.0 ppb (0) N/A N/A 26.0
 
March 7, 2021, 9 a.m. 15.0 ppb (15) 2.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 24.0 ppb (23) 0.0 ppb (0) N/A N/A 23.0
 
March 7, 2021, 8 a.m. 9.2 ppb (9) 0.6 ppb (1) N/A 9.0 ppb (9) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 7, 2021, 7 a.m. 9.8 ppb (10) 0.2 ppb (1) N/A 10.0 ppb (10) N/A N/A 30.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
March 7, 2021, 6 a.m. 31.8 ppb (30) 5.4 ppb (6) N/A 27.0 ppb (26) N/A N/A 15.0 ppb (14) 0.1 ppb (2) N/A N/A 30.0
 
March 7, 2021, 5 a.m. 40.0 ppb (38) 7.1 ppb (7) N/A 33.0 ppb (32) N/A N/A 9.0 ppb (9) 0.2 ppb (3) N/A N/A 38.0
 
March 7, 2021, 4 a.m. 29.8 ppb (29) 6.0 ppb (6) N/A 24.0 ppb (23) N/A N/A 20.0 ppb (19) 0.1 ppb (2) N/A N/A 29.0
 
March 7, 2021, 3 a.m. 25.4 ppb (24) 2.2 ppb (3) N/A 23.0 ppb (22) N/A N/A 19.0 ppb (18) 0.1 ppb (2) N/A N/A 24.0
 
March 7, 2021, 2 a.m. 30.7 ppb (29) 10.2 ppb (10) N/A 21.0 ppb (20) N/A N/A 23.0 ppb (22) 0.1 ppb (2) N/A N/A 29.0
 
March 7, 2021, 1 a.m. 5.0 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
March 7, 2021, midnight 3.2 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
March 6, 2021, 11 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A N/A 41.0
 
March 6, 2021, 10 p.m. 5.2 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.0 ppb (0) N/A N/A 41.0
 
March 6, 2021, 9 p.m. 7.6 ppb (8) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
March 6, 2021, 8 p.m. 10.9 ppb (11) 4.8 ppb (5) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
March 6, 2021, 7 p.m. 16.8 ppb (16) 9.6 ppb (10) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.0 ppb (0) N/A N/A 37.0
 
March 6, 2021, 6 p.m. 15.3 ppb (15) 7.9 ppb (8) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
March 6, 2021, 5 p.m. 10.0 ppb (10) 3.6 ppb (4) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 6, 2021, 4 p.m. 12.9 ppb (13) 4.9 ppb (5) N/A 8.0 ppb (8) N/A N/A 33.0 ppb (31) 0.0 ppb (0) N/A N/A 31.0
 
March 6, 2021, 3 p.m. 21.1 ppb (20) 8.8 ppb (9) N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 6, 2021, 2 p.m. 18.2 ppb (18) 6.6 ppb (7) N/A 12.0 ppb (12) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 6, 2021, 1 p.m. 19.8 ppb (19) 5.8 ppb (6) N/A 14.0 ppb (14) N/A N/A 26.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 6, 2021, noon 17.8 ppb (17) 3.3 ppb (4) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 6, 2021, 11 a.m. 22.3 ppb (22) 3.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) N/A N/A N/A 22.0
 
March 6, 2021, 10 a.m. 20.1 ppb (19) 2.1 ppb (2) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (19) 0.0 ppb (0) N/A N/A 19.0
 
March 6, 2021, 9 a.m. 26.7 ppb (26) 4.6 ppb (5) N/A 22.0 ppb (21) N/A N/A 17.0 ppb (16) 0.1 ppb (2) N/A N/A 26.0
 
March 6, 2021, 8 a.m. 44.9 ppb (43) 11.3 ppb (11) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.2 ppb (3) N/A N/A 43.0
 
March 6, 2021, 7 a.m. 26.6 ppb (26) 3.7 ppb (4) N/A 23.0 ppb (22) N/A N/A 19.0 ppb (18) 0.1 ppb (2) N/A N/A 26.0
 
March 6, 2021, 6 a.m. 51.9 ppb (49) 17.2 ppb (17) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.3 ppb (4) N/A N/A 49.0
 
March 6, 2021, 5 a.m. 53.7 ppb (51) 17.7 ppb (17) N/A 36.0 ppb (34) N/A N/A 8.0 ppb (8) 0.4 ppb (5) N/A N/A 51.0
 
March 6, 2021, 4 a.m. 61.3 ppb (59) 23.0 ppb (22) N/A 39.0 ppb (37) N/A N/A 6.0 ppb (6) 0.5 ppb (6) N/A N/A 59.0
 
March 6, 2021, 3 a.m. 51.2 ppb (49) 14.4 ppb (14) N/A 37.0 ppb (35) N/A N/A 9.0 ppb (9) 0.4 ppb (5) N/A N/A 49.0
 
March 6, 2021, 2 a.m. 47.2 ppb (45) 12.7 ppb (12) N/A 35.0 ppb (34) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A N/A 45.0
 
March 6, 2021, 1 a.m. 18.4 ppb (18) 0.8 ppb (1) N/A 18.0 ppb (17) N/A N/A 33.0 ppb (31) 0.0 ppb (0) N/A N/A 31.0
 
March 6, 2021, midnight 6.9 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (42) 0.0 ppb (0) N/A N/A 42.0
 
March 5, 2021, 11 p.m. 8.6 ppb (9) 2.7 ppb (3) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.0 ppb (0) N/A N/A 43.0
 
March 5, 2021, 10 p.m. 17.1 ppb (17) 7.4 ppb (7) N/A 10.0 ppb (10) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A N/A 40.0
 
March 5, 2021, 9 p.m. 20.1 ppb (19) 9.7 ppb (10) N/A 10.0 ppb (10) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
March 5, 2021, 8 p.m. 17.5 ppb (17) 7.5 ppb (8) N/A 10.0 ppb (10) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
March 5, 2021, 7 p.m. 30.0 ppb (29) 14.7 ppb (14) N/A 15.0 ppb (15) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 5, 2021, 6 p.m. 31.4 ppb (30) 15.4 ppb (15) N/A 16.0 ppb (16) N/A N/A 31.0 ppb (29) 0.0 ppb (0) N/A N/A 30.0
 
March 5, 2021, 5 p.m. 43.9 ppb (42) 23.7 ppb (23) N/A 20.0 ppb (19) N/A N/A 24.0 ppb (23) 0.1 ppb (2) N/A N/A 42.0
 
March 5, 2021, 4 p.m. 41.7 ppb (40) 23.0 ppb (22) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (20) 0.0 ppb (0) N/A N/A 40.0
 
March 5, 2021, 3 p.m. 51.2 ppb (49) 30.0 ppb (29) N/A 21.0 ppb (20) N/A N/A 16.0 ppb (15) 0.1 ppb (2) N/A N/A 49.0
 
March 5, 2021, 2 p.m. 90.3 ppb (90) 56.6 ppb (54) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.4 ppb (5) N/A N/A 90.0
 
March 5, 2021, 1 p.m. 74.5 ppb (73) 40.9 ppb (39) N/A 34.0 ppb (33) N/A N/A 5.0 ppb (5) 0.2 ppb (3) N/A N/A 73.0
 
March 5, 2021, noon 45.2 ppb (43) 17.1 ppb (17) N/A 28.0 ppb (27) N/A N/A 9.0 ppb (9) 0.0 ppb (0) N/A N/A 43.0
 
March 5, 2021, 11 a.m. 36.3 ppb (35) 9.1 ppb (9) N/A 27.0 ppb (26) N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0
 
March 5, 2021, 10 a.m. 32.3 ppb (31) 4.6 ppb (5) N/A 28.0 ppb (27) N/A N/A 10.0 ppb (10) 0.0 ppb (0) N/A N/A 31.0
 
March 5, 2021, 9 a.m. 30.0 ppb (29) 4.7 ppb (5) N/A 25.0 ppb (24) N/A N/A 14.0 ppb (13) 0.0 ppb (0) N/A N/A 29.0
 
March 5, 2021, 8 a.m. 23.6 ppb (23) 3.8 ppb (4) N/A 20.0 ppb (19) N/A N/A 16.0 ppb (15) 0.0 ppb (0) N/A N/A 23.0
 
March 5, 2021, 7 a.m. 31.2 ppb (30) 2.1 ppb (2) N/A 29.0 ppb (28) N/A N/A 10.0 ppb (10) 0.1 ppb (2) N/A N/A 30.0
 
March 5, 2021, 6 a.m. 39.4 ppb (38) 9.1 ppb (9) N/A 30.0 ppb (29) N/A N/A 10.0 ppb (10) 0.1 ppb (2) N/A N/A 38.0
 
March 5, 2021, 5 a.m. 39.1 ppb (37) 6.5 ppb (7) N/A 33.0 ppb (32) N/A N/A 9.0 ppb (9) 0.1 ppb (2) N/A N/A 37.0
 
March 5, 2021, 4 a.m. 39.0 ppb (37) 11.1 ppb (11) N/A 28.0 ppb (27) N/A N/A 15.0 ppb (14) 0.1 ppb (2) N/A N/A 37.0
 
March 5, 2021, 3 a.m. 17.6 ppb (17) 1.6 ppb (2) N/A 16.0 ppb (16) N/A N/A 27.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 5, 2021, 2 a.m. 14.2 ppb (14) 0.5 ppb (1) N/A 14.0 ppb (14) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 5, 2021, 1 a.m. 16.3 ppb (16) 1.9 ppb (2) N/A 14.0 ppb (14) N/A N/A 31.0 ppb (29) 0.0 ppb (0) N/A N/A 29.0
 
March 5, 2021, midnight 4.9 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
March 4, 2021, 11 p.m. 6.8 ppb (7) 2.1 ppb (2) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (40) 0.0 ppb (0) N/A N/A 40.0
 
March 4, 2021, 10 p.m. 7.4 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
March 4, 2021, 9 p.m. 7.1 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
March 4, 2021, 8 p.m. 8.8 ppb (9) 3.1 ppb (3) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
March 4, 2021, 7 p.m. 13.5 ppb (13) 5.8 ppb (6) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
March 4, 2021, 6 p.m. 18.3 ppb (18) 8.9 ppb (9) N/A 9.0 ppb (9) N/A N/A 32.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
March 4, 2021, 5 p.m. 13.5 ppb (13) 5.4 ppb (6) N/A 8.0 ppb (8) N/A N/A 31.0 ppb (29) 0.0 ppb (0) N/A N/A 29.0
 
March 4, 2021, 4 p.m. 37.1 ppb (35) 17.5 ppb (17) N/A 20.0 ppb (19) N/A N/A 21.0 ppb (20) 0.0 ppb (0) N/A N/A 35.0
 
March 4, 2021, 3 p.m. 20.2 ppb (20) 7.6 ppb (8) N/A 13.0 ppb (13) N/A N/A 27.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 4, 2021, 2 p.m. 14.7 ppb (14) 2.1 ppb (2) N/A 13.0 ppb (13) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
March 4, 2021, 1 p.m. 20.3 ppb (20) 4.2 ppb (4) N/A 16.0 ppb (16) N/A N/A 24.0 ppb (23) 0.0 ppb (0) N/A N/A 23.0
 
March 4, 2021, noon 41.2 ppb (39) 8.0 ppb (8) N/A 33.0 ppb (32) N/A N/A 5.0 ppb (5) 0.1 ppb (2) N/A N/A 39.0
 
March 4, 2021, 11 a.m. 38.5 ppb (37) 5.6 ppb (6) N/A 33.0 ppb (32) N/A N/A 5.0 ppb (5) 0.1 ppb (2) N/A N/A 37.0
 
March 4, 2021, 10 a.m. 33.6 ppb (32) 4.6 ppb (5) N/A 29.0 ppb (28) N/A N/A 9.0 ppb (9) 0.1 ppb (2) N/A N/A 32.0
 
March 4, 2021, 9 a.m. 34.5 ppb (33) 4.9 ppb (5) N/A 30.0 ppb (29) N/A N/A 10.0 ppb (10) 0.1 ppb (2) N/A N/A 33.0
 
March 4, 2021, 8 a.m. 57.2 ppb (55) 20.9 ppb (20) N/A 37.0 ppb (35) N/A N/A 3.0 ppb (3) 0.2 ppb (3) N/A N/A 55.0
 
March 4, 2021, 7 a.m. 54.6 ppb (52) 16.0 ppb (16) N/A 39.0 ppb (37) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A N/A 52.0
 
March 4, 2021, 6 a.m. 60.1 ppb (58) 20.7 ppb (20) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 58.0
 
March 4, 2021, 5 a.m. 67.2 ppb (66) 26.8 ppb (26) N/A 41.0 ppb (39) N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A N/A 66.0
 
March 4, 2021, 4 a.m. 56.8 ppb (54) 16.1 ppb (16) N/A 41.0 ppb (39) N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A N/A 54.0
 
March 4, 2021, 3 a.m. 58.7 ppb (57) 20.0 ppb (19) N/A 39.0 ppb (37) N/A N/A 5.0 ppb (5) 0.3 ppb (4) N/A N/A 57.0
 
March 4, 2021, 2 a.m. 52.7 ppb (50) 17.4 ppb (17) N/A 36.0 ppb (34) N/A N/A 12.0 ppb (12) 0.2 ppb (3) N/A N/A 50.0
 
March 4, 2021, 1 a.m. 20.3 ppb (20) 3.1 ppb (3) N/A 17.0 ppb (17) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 4, 2021, midnight 20.7 ppb (20) 2.9 ppb (3) N/A 18.0 ppb (17) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 3, 2021, 11 p.m. 14.3 ppb (14) 3.1 ppb (3) N/A 11.0 ppb (11) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 3, 2021, 10 p.m. 11.2 ppb (11) 4.1 ppb (4) N/A 7.0 ppb (7) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
March 3, 2021, 9 p.m. 27.9 ppb (27) 13.4 ppb (13) N/A 15.0 ppb (15) N/A N/A 34.0 ppb (32) 0.1 ppb (2) N/A N/A 32.0
 
March 3, 2021, 8 p.m. 26.6 ppb (26) 14.0 ppb (14) N/A 13.0 ppb (13) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 3, 2021, 7 p.m. 28.8 ppb (28) 15.2 ppb (15) N/A 14.0 ppb (14) N/A N/A 31.0 ppb (29) 0.1 ppb (2) N/A N/A 29.0
 
March 3, 2021, 6 p.m. 31.9 ppb (31) 16.9 ppb (16) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A N/A 31.0
 
March 3, 2021, 5 p.m. 41.9 ppb (40) 21.9 ppb (21) N/A 20.0 ppb (19) N/A N/A 25.0 ppb (24) 0.2 ppb (3) N/A N/A 40.0
 
March 3, 2021, 4 p.m. 76.3 ppb (75) 46.5 ppb (44) N/A 30.0 ppb (29) N/A N/A 14.0 ppb (13) 0.3 ppb (4) N/A N/A 75.0
 
March 3, 2021, 3 p.m. 149.4 ppb (111) 109.0 ppb (103) N/A 41.0 ppb (39) N/A N/A 6.0 ppb (6) 0.8 ppb (10) N/A N/A 111.0
 
March 3, 2021, 2 p.m. 148.8 ppb (111) 107.2 ppb (103) N/A 42.0 ppb (40) N/A N/A 3.0 ppb (3) 0.6 ppb (7) N/A N/A 111.0
 
March 3, 2021, 1 p.m. 114.3 ppb (104) 73.3 ppb (72) N/A 41.0 ppb (39) N/A N/A N/A 0.4 ppb (5) N/A N/A 104.0
 
March 3, 2021, noon 87.0 ppb (87) 47.8 ppb (46) N/A 39.0 ppb (37) N/A N/A N/A 0.3 ppb (4) N/A N/A 87.0
 
March 3, 2021, 11 a.m. 66.9 ppb (65) 30.4 ppb (29) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 65.0
 
March 3, 2021, 10 a.m. 55.5 ppb (53) 22.1 ppb (21) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 0.1 ppb (2) N/A N/A 53.0
 
March 3, 2021, 9 a.m. 59.2 ppb (57) 24.5 ppb (24) N/A 35.0 ppb (34) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 57.0
 
March 3, 2021, 8 a.m. 60.3 ppb (58) 26.2 ppb (25) N/A 34.0 ppb (33) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A N/A 58.0
 
March 3, 2021, 7 a.m. 71.7 ppb (70) 35.3 ppb (34) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 70.0
 
March 3, 2021, 6 a.m. 60.8 ppb (59) 24.6 ppb (24) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A N/A 59.0
 
March 3, 2021, 5 a.m. 71.6 ppb (70) 30.9 ppb (30) N/A 41.0 ppb (39) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 70.0
 
March 3, 2021, 4 a.m. 62.9 ppb (61) 22.1 ppb (21) N/A 41.0 ppb (39) N/A N/A 3.0 ppb (3) 0.4 ppb (5) N/A N/A 61.0
 
March 3, 2021, 3 a.m. 65.5 ppb (64) 22.7 ppb (22) N/A 43.0 ppb (41) N/A N/A 5.0 ppb (5) 0.3 ppb (4) N/A N/A 64.0
 
March 3, 2021, 2 a.m. 32.6 ppb (31) 6.1 ppb (6) N/A 27.0 ppb (26) N/A N/A 19.0 ppb (18) 0.1 ppb (2) N/A N/A 31.0
 
March 3, 2021, 1 a.m. 23.3 ppb (22) 4.2 ppb (4) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 3, 2021, midnight 16.6 ppb (16) 1.9 ppb (2) N/A 15.0 ppb (15) N/A N/A 31.0 ppb (29) 0.0 ppb (0) N/A N/A 29.0
 
March 2, 2021, 11 p.m. 14.4 ppb (14) 2.9 ppb (3) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 2, 2021, 10 p.m. 16.7 ppb (16) 4.7 ppb (5) N/A 12.0 ppb (12) N/A N/A 35.0 ppb (33) 0.0 ppb (0) N/A N/A 33.0
 
March 2, 2021, 9 p.m. 20.1 ppb (19) 6.5 ppb (7) N/A 14.0 ppb (14) N/A N/A 32.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
March 2, 2021, 8 p.m. 21.3 ppb (21) 7.9 ppb (8) N/A 13.0 ppb (13) N/A N/A 30.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
March 2, 2021, 7 p.m. 31.2 ppb (30) 15.9 ppb (15) N/A 15.0 ppb (15) N/A N/A 28.0 ppb (26) 0.0 ppb (0) N/A N/A 30.0
 
March 2, 2021, 6 p.m. 26.1 ppb (25) 12.2 ppb (12) N/A 14.0 ppb (14) N/A N/A 29.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 2, 2021, 5 p.m. 39.6 ppb (38) 22.5 ppb (22) N/A 17.0 ppb (17) N/A N/A 24.0 ppb (23) 0.1 ppb (2) N/A N/A 38.0
 
March 2, 2021, 4 p.m. 70.6 ppb (69) 43.7 ppb (42) N/A 27.0 ppb (26) N/A N/A 16.0 ppb (15) 0.3 ppb (4) N/A N/A 69.0
 
March 2, 2021, 3 p.m. 110.0 ppb (103) 74.3 ppb (73) N/A 36.0 ppb (34) N/A N/A 8.0 ppb (8) 0.5 ppb (6) N/A N/A 103.0
 
March 2, 2021, 2 p.m. 132.0 ppb (107) 91.7 ppb (92) N/A 40.0 ppb (38) N/A N/A 3.0 ppb (3) 0.6 ppb (7) N/A N/A 107.0
 
March 2, 2021, 1 p.m. 143.9 ppb (110) 102.3 ppb (102) N/A 42.0 ppb (40) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A N/A 110.0
 
March 2, 2021, noon 105.6 ppb (102) 67.8 ppb (66) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 102.0
 
March 2, 2021, 11 a.m. 90.4 ppb (90) 52.1 ppb (50) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 90.0
 
March 2, 2021, 10 a.m. 81.1 ppb (80) 42.1 ppb (40) N/A 39.0 ppb (37) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 80.0
 
March 2, 2021, 9 a.m. 72.9 ppb (72) 33.9 ppb (32) N/A 39.0 ppb (37) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A N/A 72.0
 
March 2, 2021, 8 a.m. 82.4 ppb (82) 42.7 ppb (41) N/A 40.0 ppb (38) N/A N/A 2.0 ppb (2) 0.4 ppb (5) N/A N/A 82.0
 
March 2, 2021, 7 a.m. 54.1 ppb (52) 14.8 ppb (14) N/A 39.0 ppb (37) N/A N/A 3.0 ppb (3) 0.2 ppb (3) N/A N/A 52.0
 
March 2, 2021, 6 a.m. 53.6 ppb (51) 13.6 ppb (13) N/A 40.0 ppb (38) N/A N/A 4.0 ppb (4) 0.2 ppb (3) N/A N/A 51.0
 
March 2, 2021, 5 a.m. 70.7 ppb (69) 29.8 ppb (29) N/A 41.0 ppb (39) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A N/A 69.0
 
March 2, 2021, 4 a.m. 88.4 ppb (88) 43.8 ppb (42) N/A 45.0 ppb (43) N/A N/A 2.0 ppb (2) 0.6 ppb (7) N/A N/A 88.0
 
March 2, 2021, 3 a.m. 62.6 ppb (61) 21.8 ppb (21) N/A 41.0 ppb (39) N/A N/A 5.0 ppb (5) 0.4 ppb (5) N/A N/A 61.0
 
March 2, 2021, 2 a.m. 50.8 ppb (48) 12.7 ppb (12) N/A 38.0 ppb (36) N/A N/A 10.0 ppb (10) 0.3 ppb (4) N/A N/A 48.0
 
March 2, 2021, 1 a.m. 29.9 ppb (29) 2.6 ppb (3) N/A 27.0 ppb (26) N/A N/A 20.0 ppb (19) 0.1 ppb (2) N/A N/A 29.0
 
March 2, 2021, midnight 18.4 ppb (18) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 32.0 ppb (30) 0.0 ppb (0) N/A N/A 30.0
 
March 1, 2021, 11 p.m. 38.3 ppb (37) 19.4 ppb (19) N/A 19.0 ppb (18) N/A N/A 30.0 ppb (28) 0.2 ppb (3) N/A N/A 37.0
 
March 1, 2021, 10 p.m. 18.4 ppb (18) 8.0 ppb (8) N/A 10.0 ppb (10) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
March 1, 2021, 9 p.m. 23.4 ppb (23) 12.0 ppb (12) N/A 11.0 ppb (11) N/A N/A 37.0 ppb (35) 0.0 ppb (0) N/A N/A 35.0
 
March 1, 2021, 8 p.m. 12.5 ppb (12) 6.2 ppb (6) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
March 1, 2021, 7 p.m. 30.6 ppb (29) 17.2 ppb (17) N/A 14.0 ppb (14) N/A N/A 33.0 ppb (31) 0.1 ppb (2) N/A N/A 31.0
 
March 1, 2021, 6 p.m. 38.9 ppb (37) 20.5 ppb (20) N/A 19.0 ppb (18) N/A N/A 29.0 ppb (27) 0.1 ppb (2) N/A N/A 37.0
 
March 1, 2021, 5 p.m. 45.2 ppb (43) 23.5 ppb (23) N/A 22.0 ppb (21) N/A N/A 25.0 ppb (24) 0.1 ppb (2) N/A N/A 43.0
 
March 1, 2021, 4 p.m. 63.3 ppb (61) 37.3 ppb (36) N/A 26.0 ppb (25) N/A N/A 20.0 ppb (19) 0.3 ppb (4) N/A N/A 61.0
 
March 1, 2021, 3 p.m. 120.9 ppb (105) 81.7 ppb (81) N/A 39.0 ppb (37) N/A N/A 8.0 ppb (8) 0.6 ppb (7) N/A N/A 105.0
 
March 1, 2021, 2 p.m. 155.3 ppb (112) 108.3 ppb (103) N/A 47.0 ppb (45) N/A N/A 3.0 ppb (3) 0.8 ppb (10) N/A N/A 112.0
 
March 1, 2021, 1 p.m. 116.4 ppb (104) 73.9 ppb (73) N/A 43.0 ppb (41) N/A N/A 2.0 ppb (2) 0.5 ppb (6) N/A N/A 104.0
 
March 1, 2021, noon 87.7 ppb (87) 45.5 ppb (43) N/A 42.0 ppb (40) N/A N/A 2.0 ppb (2) 0.3 ppb (4) N/A N/A 87.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.1 ppb (2) N/A N/A 2.0
 
March 1, 2021, 10 a.m. 56.6 ppb (54) 18.8 ppb (18) N/A 38.0 ppb (36) N/A N/A 2.0 ppb (2) 0.1 ppb (2) N/A N/A 54.0
 
March 1, 2021, 9 a.m. 59.5 ppb (57) 22.4 ppb (22) N/A 37.0 ppb (35) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 57.0
 
March 1, 2021, 8 a.m. 52.6 ppb (50) 17.0 ppb (17) N/A 36.0 ppb (34) N/A N/A 2.0 ppb (2) 0.2 ppb (3) N/A N/A 50.0
 
March 1, 2021, 7 a.m. 18.9 ppb (18) 2.9 ppb (3) N/A 16.0 ppb (16) N/A N/A 26.0 ppb (25) 0.0 ppb (0) N/A N/A 25.0
 
March 1, 2021, 6 a.m. 37.8 ppb (36) 9.7 ppb (10) N/A 28.0 ppb (27) N/A N/A 13.0 ppb (13) 0.2 ppb (3) N/A N/A 36.0
 
March 1, 2021, 5 a.m. 46.9 ppb (45) 13.1 ppb (13) N/A 34.0 ppb (33) N/A N/A 7.0 ppb (7) 0.3 ppb (4) N/A N/A 45.0
 
March 1, 2021, 4 a.m. 35.7 ppb (34) 7.0 ppb (7) N/A 29.0 ppb (28) N/A N/A 12.0 ppb (12) 0.2 ppb (3) N/A N/A 34.0
 
March 1, 2021, 3 a.m. 26.7 ppb (26) 9.2 ppb (9) N/A 17.0 ppb (17) N/A N/A 26.0 ppb (25) 0.1 ppb (2) N/A N/A 26.0
 
March 1, 2021, 2 a.m. 27.4 ppb (26) 8.6 ppb (9) N/A 19.0 ppb (18) N/A N/A 24.0 ppb (23) 0.1 ppb (2) N/A N/A 26.0
 
March 1, 2021, 1 a.m. 4.8 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
March 1, 2021, midnight 4.6 ppb (5) 1.0 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Feb. 28, 2021, 11 p.m. 5.6 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (38) 0.0 ppb (0) N/A N/A 38.0
 
Feb. 28, 2021, 10 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (39) 0.0 ppb (0) N/A N/A 39.0
 
Feb. 28, 2021, 9 p.m. 9.9 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Feb. 28, 2021, 8 p.m. 7.1 ppb (7) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Feb. 28, 2021, 7 p.m. 7.6 ppb (8) 3.3 ppb (4) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (36) 0.0 ppb (0) N/A N/A 36.0
 
Feb. 28, 2021, 6 p.m. 10.0 ppb (10) 3.6 ppb (4) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (34) 0.0 ppb (0) N/A N/A 34.0
 
Feb. 28, 2021, 5 p.m. 20.0 ppb (19) 9.3 ppb (9) N/A 11.0 ppb (11) N/A N/A 30.0 ppb (28) 0.0 ppb (0) N/A N/A 28.0
 
Feb. 28, 2021, 4 p.m. 17.2 ppb (17) 4.5 ppb (5) N/A 13.0 ppb (13) N/A N/A 25.0 ppb (24) 0.0 ppb (0) N/A N/A 24.0
 
Feb. 28, 2021, 3 p.m. 25.9 ppb (25) 8.7 ppb (9) N/A 17.0 ppb (17) N/A N/A 23.0 ppb (22) 0.0 ppb (0) N/A N/A 25.0
 
Feb. 28, 2021, 2 p.m. 27.3 ppb (26) 5.8 ppb (6) N/A 21.0 ppb (20) N/A N/A 15.0 ppb (14) 0.0 ppb (0) N/A N/A 26.0