AQSQID: 113490354002

Site Name: Nr

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

Reporting: True, Located: True

Current AQI: 22.0

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 29, 2020, 4 a.m. 24.0 ppb (22) 5.1 ppb (5) N/A 19.0 ppb (18) N/A N/A 22.0 ppb (17) N/A N/A N/A 22.0
 
March 29, 2020, 3 a.m. 25.2 ppb (23) 6.6 ppb (6) N/A 19.0 ppb (18) N/A N/A 26.0 ppb (20) N/A N/A N/A 23.0
 
March 29, 2020, 2 a.m. 9.0 ppb (8) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
March 29, 2020, 1 a.m. 13.6 ppb (13) 3.3 ppb (3) N/A 11.0 ppb (10) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 29, 2020, midnight 5.8 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 28, 2020, 11 p.m. 10.5 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 28, 2020, 10 p.m. 10.7 ppb (10) 4.7 ppb (4) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 28, 2020, 9 p.m. 12.7 ppb (12) 6.1 ppb (6) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 28, 2020, 8 p.m. 10.7 ppb (10) 4.3 ppb (4) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 28, 2020, 7 p.m. 17.1 ppb (16) 8.3 ppb (8) N/A 9.0 ppb (8) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 28, 2020, 6 p.m. 21.3 ppb (20) 11.3 ppb (10) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 28, 2020, 5 p.m. 6.2 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 28, 2020, 4 p.m. 14.2 ppb (13) 6.2 ppb (6) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 28, 2020, 3 p.m. 14.4 ppb (13) 5.7 ppb (5) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 28, 2020, 2 p.m. 8.9 ppb (8) 1.8 ppb (2) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 28, 2020, 1 p.m. 7.2 ppb (7) 1.2 ppb (1) N/A 6.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
March 28, 2020, noon 8.3 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 28, 2020, 11 a.m. 9.2 ppb (9) 0.7 ppb (1) N/A 9.0 ppb (8) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 28, 2020, 10 a.m. 10.3 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 28, 2020, 9 a.m. 9.4 ppb (9) 2.3 ppb (2) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 28, 2020, 8 a.m. 7.4 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 28, 2020, 7 a.m. 6.0 ppb (6) 1.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 28, 2020, 6 a.m. 5.8 ppb (5) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 28, 2020, 5 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 28, 2020, 4 a.m. 12.5 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (8) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 28, 2020, 3 a.m. 9.2 ppb (9) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 28, 2020, 2 a.m. 13.8 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 28, 2020, 1 a.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 28, 2020, midnight 2.1 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 11 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 10 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 9 p.m. 2.4 ppb (2) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 8 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 7 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 27, 2020, 6 p.m. 3.8 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 27, 2020, 5 p.m. 8.2 ppb (8) 3.5 ppb (3) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 27, 2020, 4 p.m. 29.2 ppb (27) 14.1 ppb (13) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) N/A N/A N/A 27.0
 
March 27, 2020, 3 p.m. 55.1 ppb (51) 30.9 ppb (29) N/A 25.0 ppb (23) N/A N/A 18.0 ppb (14) 0.0 ppb (0) N/A N/A 51.0
 
March 27, 2020, 2 p.m. 98.9 ppb (98) 63.9 ppb (61) N/A 36.0 ppb (33) N/A N/A 7.0 ppb (5) 0.2 ppb (2) N/A N/A 98.0
 
March 27, 2020, 1 p.m. 47.5 ppb (44) 19.5 ppb (18) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) 0.0 ppb (0) N/A N/A 44.0
 
March 27, 2020, noon 22.0 ppb (20) 2.2 ppb (2) N/A 20.0 ppb (19) N/A N/A 17.0 ppb (13) N/A N/A N/A 20.0
 
March 27, 2020, 11 a.m. 24.9 ppb (23) 3.7 ppb (3) N/A 22.0 ppb (20) N/A N/A N/A N/A N/A N/A 23.0
 
March 27, 2020, 10 a.m. 30.7 ppb (28) 4.0 ppb (4) N/A 27.0 ppb (25) N/A N/A 11.0 ppb (8) N/A N/A N/A 28.0
 
March 27, 2020, 9 a.m. 25.6 ppb (24) 2.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 16.0 ppb (12) N/A N/A N/A 24.0
 
March 27, 2020, 8 a.m. 11.3 ppb (10) 2.6 ppb (2) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 27, 2020, 7 a.m. 11.9 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 27, 2020, 6 a.m. 13.8 ppb (13) 2.3 ppb (2) N/A 12.0 ppb (11) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
March 27, 2020, 5 a.m. 12.3 ppb (11) 3.6 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 27, 2020, 4 a.m. 16.2 ppb (15) 4.9 ppb (5) N/A 12.0 ppb (11) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 27, 2020, 3 a.m. 18.1 ppb (17) 6.0 ppb (6) N/A 13.0 ppb (12) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 27, 2020, 2 a.m. 7.0 ppb (6) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 27, 2020, 1 a.m. 14.9 ppb (14) 5.6 ppb (5) N/A 10.0 ppb (9) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
March 27, 2020, midnight 25.3 ppb (23) 12.0 ppb (11) N/A 14.0 ppb (13) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 26, 2020, 11 p.m. 25.6 ppb (24) 13.9 ppb (13) N/A 12.0 ppb (11) N/A N/A 35.0 ppb (27) 0.0 ppb (0) N/A N/A 27.0
 
March 26, 2020, 10 p.m. 15.7 ppb (15) 7.6 ppb (7) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 26, 2020, 9 p.m. 20.8 ppb (19) 10.6 ppb (10) N/A 11.0 ppb (10) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 26, 2020, 8 p.m. 3.5 ppb (3) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 26, 2020, 7 p.m. 3.4 ppb (3) 1.0 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 26, 2020, 6 p.m. 7.3 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
March 26, 2020, 5 p.m. 20.7 ppb (19) 8.4 ppb (8) N/A 13.0 ppb (12) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 26, 2020, 4 p.m. 14.4 ppb (13) 4.6 ppb (4) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 26, 2020, 3 p.m. 7.9 ppb (7) 1.8 ppb (2) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 26, 2020, 2 p.m. 10.0 ppb (9) 1.5 ppb (1) N/A 9.0 ppb (8) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 26, 2020, 1 p.m. 7.9 ppb (7) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 26, 2020, noon 8.3 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 26, 2020, 11 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 26, 2020, 10 a.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 26, 2020, 9 a.m. 4.1 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 26, 2020, 8 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 26, 2020, 7 a.m. 4.2 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 26, 2020, 6 a.m. 5.7 ppb (5) 0.5 ppb (0) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 26, 2020, 5 a.m. 7.6 ppb (7) 0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 26, 2020, 4 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 26, 2020, 3 a.m. 5.3 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 26, 2020, 2 a.m. 3.9 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
March 26, 2020, 1 a.m. 5.1 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 26, 2020, midnight 4.1 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 25, 2020, 11 p.m. 7.5 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 25, 2020, 10 p.m. 6.9 ppb (6) 1.9 ppb (2) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 25, 2020, 9 p.m. 17.8 ppb (16) 7.8 ppb (7) N/A 10.0 ppb (9) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 25, 2020, 8 p.m. 25.2 ppb (23) 14.6 ppb (14) N/A 11.0 ppb (10) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 25, 2020, 7 p.m. 27.9 ppb (26) 14.7 ppb (14) N/A 14.0 ppb (13) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 25, 2020, 6 p.m. 34.6 ppb (32) 17.2 ppb (16) N/A 18.0 ppb (17) N/A N/A 33.0 ppb (25) N/A N/A N/A 32.0
 
March 25, 2020, 5 p.m. 32.7 ppb (30) 16.5 ppb (15) N/A 17.0 ppb (16) N/A N/A 33.0 ppb (25) N/A N/A N/A 30.0
 
March 25, 2020, 4 p.m. 27.0 ppb (25) 11.8 ppb (11) N/A 16.0 ppb (15) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
March 25, 2020, 3 p.m. 18.3 ppb (17) 3.3 ppb (3) N/A 15.0 ppb (14) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 25, 2020, 2 p.m. 28.0 ppb (26) 6.3 ppb (6) N/A 22.0 ppb (20) N/A N/A 25.0 ppb (19) N/A N/A N/A 26.0
 
March 25, 2020, 1 p.m. 26.9 ppb (25) 5.9 ppb (5) N/A 22.0 ppb (20) N/A N/A 26.0 ppb (20) N/A N/A N/A 25.0
 
March 25, 2020, noon 24.2 ppb (22) 10.7 ppb (10) N/A 14.0 ppb (13) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 25, 2020, 11 a.m. 15.6 ppb (14) 5.1 ppb (5) N/A 11.0 ppb (10) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
March 25, 2020, 10 a.m. 19.2 ppb (18) 3.7 ppb (3) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
March 25, 2020, 9 a.m. 7.8 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 25, 2020, 8 a.m. 7.9 ppb (7) 1.0 ppb (1) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 25, 2020, 7 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
March 25, 2020, 6 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 25, 2020, 5 a.m. 4.7 ppb (4) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 25, 2020, 4 a.m. 5.7 ppb (5) 0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 25, 2020, 3 a.m. 8.0 ppb (7) 0.6 ppb (1) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 25, 2020, 2 a.m. 4.5 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 25, 2020, 1 a.m. 4.6 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 25, 2020, midnight 7.6 ppb (7) 2.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 24, 2020, 11 p.m. 10.0 ppb (9) 5.1 ppb (5) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 24, 2020, 10 p.m. 4.5 ppb (4) 1.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 24, 2020, 9 p.m. 10.3 ppb (10) 3.8 ppb (4) N/A 7.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 24, 2020, 8 p.m. 18.8 ppb (17) 9.5 ppb (9) N/A 10.0 ppb (9) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 7 p.m. 18.0 ppb (17) 10.0 ppb (9) N/A 8.0 ppb (7) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 6 p.m. 12.5 ppb (12) 6.1 ppb (6) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 5 p.m. 17.7 ppb (16) 8.0 ppb (7) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 16.0
 
March 24, 2020, 4 p.m. 22.9 ppb (21) 11.4 ppb (11) N/A 12.0 ppb (11) N/A N/A N/A N/A N/A N/A 21.0
 
March 24, 2020, 3 p.m. 14.8 ppb (14) 5.4 ppb (5) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 14.0
 
March 24, 2020, 2 p.m. 10.3 ppb (10) 2.6 ppb (2) N/A 8.0 ppb (7) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 24, 2020, 1 p.m. 9.7 ppb (9) 1.6 ppb (1) N/A 9.0 ppb (8) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
March 24, 2020, noon 4.4 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 24, 2020, 11 a.m. 4.6 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
March 24, 2020, 10 a.m. 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 9 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 24, 2020, 8 a.m. 4.3 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
 
March 24, 2020, 7 a.m. 4.6 ppb (4) 1.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 24, 2020, 6 a.m. 3.7 ppb (3) 0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 5 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 4 a.m. 6.1 ppb (6) 0.9 ppb (1) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 24, 2020, 3 a.m. 8.2 ppb (8) 1.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 24, 2020, 2 a.m. 10.8 ppb (10) 2.1 ppb (2) N/A 9.0 ppb (8) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 24, 2020, 1 a.m. 13.9 ppb (13) 3.4 ppb (3) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 24, 2020, midnight 25.0 ppb (23) 11.2 ppb (10) N/A 14.0 ppb (13) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
March 23, 2020, 11 p.m. 23.4 ppb (22) 12.4 ppb (11) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 23, 2020, 10 p.m. 21.8 ppb (20) 11.1 ppb (10) N/A 11.0 ppb (10) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 23, 2020, 9 p.m. 25.0 ppb (23) 13.1 ppb (12) N/A 12.0 ppb (11) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 23, 2020, 8 p.m. 21.2 ppb (20) 12.6 ppb (12) N/A 9.0 ppb (8) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
March 23, 2020, 7 p.m. 4.6 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 23, 2020, 6 p.m. 12.9 ppb (12) 6.6 ppb (6) N/A 7.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 23, 2020, 5 p.m. 18.8 ppb (17) 10.0 ppb (9) N/A 9.0 ppb (8) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
March 23, 2020, 4 p.m. 12.4 ppb (11) 5.6 ppb (5) N/A 7.0 ppb (6) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 23, 2020, 3 p.m. 14.7 ppb (14) 4.9 ppb (5) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
March 23, 2020, 2 p.m. 35.9 ppb (33) 15.4 ppb (14) N/A 21.0 ppb (19) N/A N/A 22.0 ppb (17) N/A N/A N/A 33.0
 
March 23, 2020, 1 p.m. 10.8 ppb (10) 1.1 ppb (1) N/A 10.0 ppb (9) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
March 23, 2020, noon 18.5 ppb (17) 4.8 ppb (4) N/A 14.0 ppb (13) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
March 23, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A N/A 10.0
 
March 23, 2020, 10 a.m. 33.1 ppb (31) 6.2 ppb (6) N/A 27.0 ppb (25) N/A N/A 10.0 ppb (8) N/A N/A N/A 31.0
 
March 23, 2020, 9 a.m. 35.5 ppb (33) 6.5 ppb (6) N/A 29.0 ppb (27) N/A N/A 8.0 ppb (6) N/A N/A N/A 33.0
 
March 23, 2020, 8 a.m. 33.8 ppb (31) 4.9 ppb (5) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) N/A N/A N/A 31.0
 
March 23, 2020, 7 a.m. 27.5 ppb (25) 2.0 ppb (2) N/A 26.0 ppb (24) N/A N/A 9.0 ppb (7) N/A N/A N/A 25.0
 
March 23, 2020, 6 a.m. 42.9 ppb (40) 10.2 ppb (9) N/A 33.0 ppb (31) N/A N/A 5.0 ppb (4) 0.0 ppb (0) N/A N/A 40.0
 
March 23, 2020, 5 a.m. 38.5 ppb (36) 7.1 ppb (7) N/A 32.0 ppb (30) N/A N/A 8.0 ppb (6) 0.0 ppb (0) N/A N/A 36.0
 
March 23, 2020, 4 a.m. 22.7 ppb (21) 5.6 ppb (5) N/A 18.0 ppb (17) N/A N/A 25.0 ppb (19) N/A N/A N/A 21.0
 
March 23, 2020, 3 a.m. 18.9 ppb (18) 5.2 ppb (5) N/A 14.0 ppb (13) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
March 23, 2020, 2 a.m. 13.6 ppb (13) 1.4 ppb (1) N/A 13.0 ppb (12) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
March 23, 2020, 1 a.m. 5.7 ppb (5) 0.9 ppb (1) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 23, 2020, midnight 8.6 ppb (8) 3.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
March 22, 2020, 11 p.m. 5.7 ppb (5) 2.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 22, 2020, 10 p.m. 7.9 ppb (7) 3.9 ppb (4) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 22, 2020, 9 p.m. 5.7 ppb (5) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
March 22, 2020, 8 p.m. 4.3 ppb (4) 1.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
March 22, 2020, 7 p.m. 4.0 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
March 22, 2020, 6 p.m. 10.0 ppb (9) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
March 22, 2020, 5 p.m. 15.1 ppb (14) 6.8 ppb (6) N/A 9.0 ppb (8) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
March 22, 2020, 4 p.m. 24.6 ppb (23) 11.8 ppb (11) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) N/A N/A N/A 23.0
 
March 22, 2020, 3 p.m. 32.2 ppb (30) 12.7 ppb (12) N/A 20.0 ppb (19) N/A N/A 22.0 ppb (17) N/A N/A N/A 30.0
 
March 22, 2020, 2 p.m. 37.2 ppb (34) 10.4 ppb (10) N/A 27.0 ppb (25) N/A N/A 11.0 ppb (8) N/A N/A N/A 34.0
 
March 22, 2020, 1 p.m. 29.6 ppb (27) 6.3 ppb (6) N/A 24.0 ppb (22) N/A N/A 15.0 ppb (12) N/A N/A N/A 27.0
 
March 22, 2020, noon 24.6 ppb (23) 4.6 ppb (4) N/A 20.0 ppb (19) N/A N/A 18.0 ppb (14) N/A N/A N/A 23.0
 
March 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A N/A 9.0
 
March 22, 2020, 10 a.m. 34.1 ppb (32) 6.1 ppb (6) N/A 28.0 ppb (26) N/A N/A 7.0 ppb (5) N/A N/A N/A 32.0
 
March 22, 2020, 9 a.m. 35.4 ppb (33) 4.5 ppb (4) N/A 31.0 ppb (29) N/A N/A 6.0 ppb (5) N/A N/A N/A 33.0
 
March 22, 2020, 8 a.m. 31.6 ppb (29) 1.9 ppb (2) N/A 30.0 ppb (28) N/A N/A 8.0 ppb (6) N/A N/A N/A 29.0
 
March 22, 2020, 7 a.m. 23.3 ppb (22) 2.1 ppb (2) N/A 22.0 ppb (20) N/A N/A 16.0 ppb (12) 0.0 ppb (0) N/A N/A 22.0
 
March 22, 2020, 6 a.m. 25.3 ppb (23) 2.4 ppb (2) N/A 23.0 ppb (21) N/A N/A 17.0 ppb (13) N/A N/A N/A 23.0
 
March 22, 2020, 5 a.m. 17.6 ppb (16) 1.0 ppb (1) N/A 17.0 ppb (16) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0