AQSQID: 490571003

Site Name: Harrisville

Location: Ogden (N Ogden Ranchettes), UT

Reporting: True, Located: True

Current AQI: 24.0

Ogden (N Ogden Ranchettes) UT, US: 41.302799, -111.988297

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 28, 2020, 11 a.m. 25.4 ppb (24) 2.6 ppb (2) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) N/A N/A N/A 24.0
 
Jan. 28, 2020, 10 a.m. 13.4 ppb (12) 1.0 ppb (1) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 28, 2020, 9 a.m. 6.7 ppb (6) 0.8 ppb (1) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 28, 2020, 8 a.m. 4.2 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 28, 2020, 7 a.m. 5.0 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 28, 2020, 6 a.m. 6.2 ppb (6) 0.7 ppb (1) N/A 6.0 ppb (6) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 28, 2020, 5 a.m. 18.2 ppb (17) 1.5 ppb (1) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) N/A N/A N/A 17.0
 
Jan. 28, 2020, 4 a.m. 25.4 ppb (24) 2.6 ppb (2) N/A 23.0 ppb (21) N/A N/A 9.0 ppb (7) N/A N/A N/A 24.0
 
Jan. 28, 2020, 3 a.m. 20.8 ppb (19) 2.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 13.0 ppb (10) N/A N/A N/A 19.0
 
Jan. 28, 2020, 2 a.m. 28.1 ppb (26) 3.4 ppb (3) N/A 25.0 ppb (23) N/A N/A 7.0 ppb (5) N/A N/A N/A 26.0
 
Jan. 28, 2020, 1 a.m. 20.2 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) N/A N/A N/A 19.0
 
Jan. 28, 2020, midnight 5.5 ppb (5) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 27, 2020, 11 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Jan. 27, 2020, 10 p.m. 4.1 ppb (4) 1.2 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. 27, 2020, 9 p.m. 4.9 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 27, 2020, 8 p.m. 10.7 ppb (10) 4.6 ppb (4) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 27, 2020, 7 p.m. 17.5 ppb (16) 7.8 ppb (7) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A N/A 16.0
 
Jan. 27, 2020, 6 p.m. 24.0 ppb (22) 12.3 ppb (11) N/A 12.0 ppb (11) N/A N/A 19.0 ppb (15) N/A N/A N/A 22.0
 
Jan. 27, 2020, 5 p.m. 33.0 ppb (31) 18.7 ppb (17) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) N/A N/A N/A 31.0
 
Jan. 27, 2020, 4 p.m. 40.1 ppb (37) 21.5 ppb (20) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) N/A N/A N/A 37.0
 
Jan. 27, 2020, 3 p.m. 52.7 ppb (49) 26.9 ppb (25) N/A 26.0 ppb (24) N/A N/A 4.0 ppb (3) N/A N/A N/A 49.0
 
Jan. 27, 2020, 2 p.m. 24.6 ppb (23) 3.6 ppb (3) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A N/A 23.0
 
Jan. 27, 2020, 1 p.m. 25.5 ppb (24) 4.1 ppb (4) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) N/A N/A N/A 24.0
 
Jan. 27, 2020, noon 24.8 ppb (23) 4.0 ppb (4) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A N/A 23.0
 
Jan. 27, 2020, 11 a.m. 14.6 ppb (14) 1.2 ppb (1) N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) N/A N/A N/A 14.0
 
Jan. 27, 2020, 10 a.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 27, 2020, 9 a.m. 13.9 ppb (13) 0.9 ppb (1) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) N/A N/A N/A 13.0
 
Jan. 27, 2020, 8 a.m. 12.5 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 27, 2020, 7 a.m. 16.6 ppb (15) 0.9 ppb (1) N/A 16.0 ppb (15) N/A N/A 13.0 ppb (10) N/A N/A N/A 15.0
 
Jan. 27, 2020, 6 a.m. 14.6 ppb (14) 1.0 ppb (1) N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) N/A N/A N/A 14.0
 
Jan. 27, 2020, 5 a.m. 12.9 ppb (12) 0.8 ppb (1) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Jan. 27, 2020, 4 a.m. 11.1 ppb (10) 0.8 ppb (1) N/A 10.0 ppb (9) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Jan. 27, 2020, 3 a.m. 24.5 ppb (23) 2.3 ppb (2) N/A 22.0 ppb (20) N/A N/A 6.0 ppb (5) N/A N/A N/A 23.0
 
Jan. 27, 2020, 2 a.m. 24.3 ppb (23) 2.5 ppb (2) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) N/A N/A N/A 23.0
 
Jan. 27, 2020, 1 a.m. 24.6 ppb (23) 3.1 ppb (3) N/A 22.0 ppb (20) N/A N/A 3.0 ppb (2) N/A N/A N/A 23.0
 
Jan. 27, 2020, midnight 18.7 ppb (17) 2.5 ppb (2) N/A 16.0 ppb (15) N/A N/A 8.0 ppb (6) N/A N/A N/A 17.0
 
Jan. 26, 2020, 11 p.m. 17.2 ppb (16) 4.6 ppb (4) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) N/A N/A N/A 16.0
 
Jan. 26, 2020, 10 p.m. 15.4 ppb (14) 5.1 ppb (5) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A N/A 14.0
 
Jan. 26, 2020, 9 p.m. 20.3 ppb (19) 7.9 ppb (7) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) N/A N/A N/A 19.0
 
Jan. 26, 2020, 8 p.m. 17.7 ppb (16) 7.5 ppb (7) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A N/A 16.0
 
Jan. 26, 2020, 7 p.m. 19.6 ppb (18) 9.9 ppb (9) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) N/A N/A N/A 18.0
 
Jan. 26, 2020, 6 p.m. 19.2 ppb (18) 9.0 ppb (8) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A N/A 18.0
 
Jan. 26, 2020, 5 p.m. 15.4 ppb (14) 5.7 ppb (5) N/A 10.0 ppb (9) N/A N/A 13.0 ppb (10) N/A N/A N/A 14.0
 
Jan. 26, 2020, 4 p.m. 21.9 ppb (20) 9.2 ppb (9) N/A 13.0 ppb (12) N/A N/A 9.0 ppb (7) N/A N/A N/A 20.0
 
Jan. 26, 2020, 3 p.m. 15.3 ppb (14) 3.5 ppb (3) N/A 12.0 ppb (11) N/A N/A 11.0 ppb (8) N/A N/A N/A 14.0
 
Jan. 26, 2020, 2 p.m. 12.7 ppb (12) 0.9 ppb (1) N/A 12.0 ppb (11) N/A N/A 12.0 ppb (9) N/A N/A N/A 12.0
 
Jan. 26, 2020, 1 p.m. 11.7 ppb (11) 1.2 ppb (1) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) N/A N/A N/A 11.0
 
Jan. 26, 2020, noon 23.5 ppb (22) 4.4 ppb (4) N/A 19.0 ppb (18) N/A N/A 3.0 ppb (2) N/A N/A N/A 22.0
 
Jan. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Jan. 26, 2020, 10 a.m. 17.9 ppb (17) 1.3 ppb (1) N/A 17.0 ppb (16) N/A N/A 6.0 ppb (5) N/A N/A N/A 17.0
 
Jan. 26, 2020, 9 a.m. 13.3 ppb (12) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 12.0 ppb (9) N/A N/A N/A 12.0
 
Jan. 26, 2020, 8 a.m. 16.6 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) N/A N/A N/A 15.0
 
Jan. 26, 2020, 7 a.m. 12.1 ppb (11) 0.8 ppb (1) N/A 11.0 ppb (10) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Jan. 26, 2020, 6 a.m. 10.7 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 26, 2020, 5 a.m. 11.9 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 26, 2020, 4 a.m. 13.9 ppb (13) 0.8 ppb (1) N/A 13.0 ppb (12) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Jan. 26, 2020, 3 a.m. 15.8 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 15.0 ppb (12) N/A N/A N/A 15.0
 
Jan. 26, 2020, 2 a.m. 15.9 ppb (15) 0.9 ppb (1) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) N/A N/A N/A 15.0
 
Jan. 26, 2020, 1 a.m. 20.7 ppb (19) 1.7 ppb (2) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) N/A N/A N/A 19.0
 
Jan. 26, 2020, midnight 20.5 ppb (19) 1.8 ppb (2) N/A 19.0 ppb (18) N/A N/A 14.0 ppb (11) N/A N/A N/A 19.0
 
Jan. 25, 2020, 11 p.m. 18.6 ppb (17) 3.5 ppb (3) N/A 15.0 ppb (14) N/A N/A 19.0 ppb (15) N/A N/A N/A 17.0
 
Jan. 25, 2020, 10 p.m. 18.8 ppb (17) 5.1 ppb (5) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) N/A N/A N/A 17.0
 
Jan. 25, 2020, 9 p.m. 24.0 ppb (22) 8.3 ppb (8) N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) N/A N/A N/A 22.0
 
Jan. 25, 2020, 8 p.m. 32.1 ppb (30) 13.9 ppb (13) N/A 18.0 ppb (17) N/A N/A 16.0 ppb (12) N/A N/A N/A 30.0
 
Jan. 25, 2020, 7 p.m. 33.3 ppb (31) 15.2 ppb (14) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) N/A N/A N/A 31.0
 
Jan. 25, 2020, 6 p.m. 31.9 ppb (30) 13.5 ppb (12) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) N/A N/A N/A 30.0
 
Jan. 25, 2020, 5 p.m. 32.3 ppb (30) 11.5 ppb (11) N/A 21.0 ppb (19) N/A N/A 7.0 ppb (5) N/A N/A N/A 30.0
 
Jan. 25, 2020, 4 p.m. 50.6 ppb (47) 26.0 ppb (24) N/A 25.0 ppb (23) N/A N/A 5.0 ppb (4) N/A N/A N/A 47.0
 
Jan. 25, 2020, 3 p.m. 57.7 ppb (54) 30.7 ppb (28) N/A 27.0 ppb (25) N/A N/A 2.0 ppb (2) N/A N/A N/A 54.0
 
Jan. 25, 2020, 2 p.m. 37.7 ppb (35) 14.7 ppb (14) N/A 23.0 ppb (21) N/A N/A 1.0 ppb (1) N/A N/A N/A 35.0
 
Jan. 25, 2020, 1 p.m. 53.6 ppb (50) 24.8 ppb (23) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A N/A 50.0
 
Jan. 25, 2020, noon 48.7 ppb (45) 19.6 ppb (18) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A N/A 45.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 1.0
 
Jan. 25, 2020, 10 a.m. 23.4 ppb (22) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A 4.0 ppb (3) N/A N/A N/A 22.0
 
Jan. 25, 2020, 9 a.m. 21.2 ppb (20) 1.7 ppb (2) N/A 20.0 ppb (19) N/A N/A 6.0 ppb (5) N/A N/A N/A 20.0
 
Jan. 25, 2020, 8 a.m. 46.1 ppb (43) 16.7 ppb (15) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A N/A 43.0
 
Jan. 25, 2020, 7 a.m. 50.8 ppb (47) 19.5 ppb (18) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A N/A 47.0
 
Jan. 25, 2020, 6 a.m. 49.2 ppb (46) 16.7 ppb (15) N/A 33.0 ppb (31) N/A N/A 0.0 ppb (0) N/A N/A N/A 46.0
 
Jan. 25, 2020, 5 a.m. 43.1 ppb (40) 10.7 ppb (10) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A N/A 40.0
 
Jan. 25, 2020, 4 a.m. 32.5 ppb (30) 2.8 ppb (3) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) N/A N/A N/A 30.0
 
Jan. 25, 2020, 3 a.m. 40.6 ppb (38) 8.2 ppb (8) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A N/A 38.0
 
Jan. 25, 2020, 2 a.m. 48.2 ppb (45) 12.9 ppb (12) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A N/A 45.0
 
Jan. 25, 2020, 1 a.m. 41.4 ppb (38) 5.4 ppb (5) N/A 36.0 ppb (33) N/A N/A 3.0 ppb (2) N/A N/A N/A 38.0
 
Jan. 25, 2020, midnight 38.7 ppb (36) 5.5 ppb (5) N/A 33.0 ppb (31) N/A N/A 6.0 ppb (5) N/A N/A N/A 36.0
 
Jan. 24, 2020, 11 p.m. 30.3 ppb (28) 3.7 ppb (3) N/A 27.0 ppb (25) N/A N/A 13.0 ppb (10) N/A N/A N/A 28.0
 
Jan. 24, 2020, 10 p.m. 26.8 ppb (25) 4.3 ppb (4) N/A 23.0 ppb (21) N/A N/A 18.0 ppb (14) N/A N/A N/A 25.0
 
Jan. 24, 2020, 9 p.m. 16.4 ppb (15) 2.4 ppb (2) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Jan. 24, 2020, 8 p.m. 22.6 ppb (21) 5.1 ppb (5) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) N/A N/A N/A 21.0
 
Jan. 24, 2020, 7 p.m. 34.5 ppb (32) 8.8 ppb (8) N/A 26.0 ppb (24) N/A N/A 13.0 ppb (10) N/A N/A N/A 32.0
 
Jan. 24, 2020, 6 p.m. 43.2 ppb (40) 16.6 ppb (15) N/A 27.0 ppb (25) N/A N/A 8.0 ppb (6) N/A N/A N/A 40.0
 
Jan. 24, 2020, 5 p.m. 96.0 ppb (95) 65.0 ppb (62) N/A 31.0 ppb (29) N/A N/A 3.0 ppb (2) N/A N/A N/A 95.0
 
Jan. 24, 2020, 4 p.m. 112.7 ppb (102) 82.8 ppb (81) N/A 30.0 ppb (28) N/A N/A 2.0 ppb (2) N/A N/A N/A 102.0
 
Jan. 24, 2020, 3 p.m. 59.1 ppb (55) 29.8 ppb (28) N/A 29.0 ppb (27) N/A N/A 10.0 ppb (8) N/A N/A N/A 55.0
 
Jan. 24, 2020, 2 p.m. 59.8 ppb (56) 25.3 ppb (23) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A N/A 56.0
 
Jan. 24, 2020, 1 p.m. 57.3 ppb (54) 24.2 ppb (22) N/A 33.0 ppb (31) N/A N/A 1.0 ppb (1) N/A N/A N/A 54.0
 
Jan. 24, 2020, noon 51.3 ppb (48) 22.3 ppb (21) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A N/A 48.0
 
Jan. 24, 2020, 11 a.m. 48.5 ppb (45) 19.1 ppb (18) N/A 29.0 ppb (27) N/A N/A N/A N/A N/A N/A 45.0
 
Jan. 24, 2020, 10 a.m. 39.4 ppb (36) 12.8 ppb (12) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A N/A 36.0
 
Jan. 24, 2020, 9 a.m. 46.0 ppb (43) 17.0 ppb (16) N/A 29.0 ppb (27) N/A N/A 1.0 ppb (1) N/A N/A N/A 43.0
 
Jan. 24, 2020, 8 a.m. 50.9 ppb (47) 20.7 ppb (19) N/A 30.0 ppb (28) N/A N/A 1.0 ppb (1) N/A N/A N/A 47.0
 
Jan. 24, 2020, 7 a.m. 45.0 ppb (42) 14.1 ppb (13) N/A 31.0 ppb (29) N/A N/A 1.0 ppb (1) N/A N/A N/A 42.0
 
Jan. 24, 2020, 6 a.m. 39.2 ppb (36) 12.0 ppb (11) N/A 27.0 ppb (25) N/A N/A 5.0 ppb (4) N/A N/A N/A 36.0
 
Jan. 24, 2020, 5 a.m. 22.4 ppb (21) 6.4 ppb (6) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) N/A N/A N/A 21.0
 
Jan. 24, 2020, 4 a.m. 59.0 ppb (55) 24.4 ppb (23) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A N/A 55.0
 
Jan. 24, 2020, 3 a.m. 45.5 ppb (42) 10.2 ppb (9) N/A 35.0 ppb (32) N/A N/A 1.0 ppb (1) N/A N/A N/A 42.0
 
Jan. 24, 2020, 2 a.m. 37.3 ppb (35) 5.6 ppb (5) N/A 32.0 ppb (30) N/A N/A 4.0 ppb (3) N/A N/A N/A 35.0
 
Jan. 24, 2020, 1 a.m. 39.1 ppb (36) 9.8 ppb (9) N/A 29.0 ppb (27) N/A N/A 7.0 ppb (5) N/A N/A N/A 36.0
 
Jan. 24, 2020, midnight 38.5 ppb (36) 6.6 ppb (6) N/A 32.0 ppb (30) N/A N/A 6.0 ppb (5) N/A N/A N/A 36.0
 
Jan. 23, 2020, 11 p.m. 24.8 ppb (23) 4.9 ppb (5) N/A 20.0 ppb (19) N/A N/A 19.0 ppb (15) N/A N/A N/A 23.0
 
Jan. 23, 2020, 10 p.m. 21.2 ppb (20) 6.3 ppb (6) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) N/A N/A N/A 20.0
 
Jan. 23, 2020, 9 p.m. 7.8 ppb (7) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 23, 2020, 8 p.m. 24.4 ppb (23) 10.8 ppb (10) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) N/A N/A N/A 23.0
 
Jan. 23, 2020, 7 p.m. 7.1 ppb (7) 3.1 ppb (3) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 23, 2020, 6 p.m. 5.4 ppb (5) 1.7 ppb (2) N/A 4.0 ppb (4) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Jan. 23, 2020, 5 p.m. 8.8 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Jan. 23, 2020, 4 p.m. 13.5 ppb (12) 2.4 ppb (2) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Jan. 23, 2020, 3 p.m. 32.9 ppb (30) 4.2 ppb (4) N/A 29.0 ppb (27) N/A N/A 13.0 ppb (10) N/A N/A N/A 30.0
 
Jan. 23, 2020, 2 p.m. 28.7 ppb (27) 2.6 ppb (2) N/A 26.0 ppb (24) N/A N/A 16.0 ppb (12) N/A N/A N/A 27.0
 
Jan. 23, 2020, 1 p.m. 22.9 ppb (21) 2.4 ppb (2) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) N/A N/A N/A 21.0
 
Jan. 23, 2020, noon 36.3 ppb (34) 8.3 ppb (8) N/A 28.0 ppb (26) N/A N/A 5.0 ppb (4) N/A N/A N/A 34.0
 
Jan. 23, 2020, 11 a.m. 34.3 ppb (32) 7.5 ppb (7) N/A 27.0 ppb (25) N/A N/A 1.0 ppb (1) N/A N/A N/A 32.0
 
Jan. 23, 2020, 10 a.m. 17.7 ppb (16) 2.6 ppb (2) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) N/A N/A N/A 16.0
 
Jan. 23, 2020, 9 a.m. 9.9 ppb (9) 0.9 ppb (1) N/A 9.0 ppb (8) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 23, 2020, 8 a.m. 9.2 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (7) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 23, 2020, 7 a.m. 10.9 ppb (10) 0.9 ppb (1) N/A 10.0 ppb (9) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 23, 2020, 6 a.m. 26.2 ppb (24) 2.0 ppb (2) N/A 24.0 ppb (22) N/A N/A 10.0 ppb (8) N/A N/A N/A 24.0
 
Jan. 23, 2020, 5 a.m. 34.0 ppb (31) 5.4 ppb (5) N/A 29.0 ppb (27) N/A N/A 5.0 ppb (4) N/A N/A N/A 31.0
 
Jan. 23, 2020, 4 a.m. 34.3 ppb (32) 4.4 ppb (4) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) N/A N/A N/A 32.0
 
Jan. 23, 2020, 3 a.m. 26.9 ppb (25) 2.6 ppb (2) N/A 24.0 ppb (22) N/A N/A 8.0 ppb (6) N/A N/A N/A 25.0
 
Jan. 23, 2020, 2 a.m. 16.7 ppb (15) 1.2 ppb (1) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Jan. 23, 2020, 1 a.m. 16.0 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Jan. 23, 2020, midnight 20.6 ppb (19) 1.5 ppb (1) N/A 19.0 ppb (18) N/A N/A 21.0 ppb (16) N/A N/A N/A 19.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Jan. 22, 2020, 10 p.m. 11.7 ppb (11) 2.0 ppb (2) N/A 10.0 ppb (9) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 22, 2020, 9 p.m. 14.2 ppb (13) 3.7 ppb (3) N/A 11.0 ppb (10) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Jan. 22, 2020, 8 p.m. 21.3 ppb (20) 7.3 ppb (7) N/A 14.0 ppb (13) N/A N/A 25.0 ppb (19) N/A N/A N/A 20.0
 
Jan. 22, 2020, 7 p.m. 21.6 ppb (20) 7.5 ppb (7) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) N/A N/A N/A 20.0
 
Jan. 22, 2020, 6 p.m. 29.1 ppb (27) 12.0 ppb (11) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) N/A N/A N/A 27.0
 
Jan. 22, 2020, 5 p.m. 37.5 ppb (35) 17.5 ppb (16) N/A 20.0 ppb (19) N/A N/A 11.0 ppb (8) N/A N/A N/A 35.0
 
Jan. 22, 2020, 4 p.m. 48.2 ppb (45) 24.8 ppb (23) N/A 23.0 ppb (21) N/A N/A 5.0 ppb (4) N/A N/A N/A 45.0
 
Jan. 22, 2020, 3 p.m. 41.1 ppb (38) 15.2 ppb (14) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) N/A N/A N/A 38.0
 
Jan. 22, 2020, 2 p.m. 34.1 ppb (32) 8.2 ppb (8) N/A 26.0 ppb (24) N/A N/A 2.0 ppb (2) N/A N/A N/A 32.0
 
Jan. 22, 2020, 1 p.m. 36.6 ppb (34) 6.2 ppb (6) N/A 30.0 ppb (28) N/A N/A 3.0 ppb (2) N/A N/A N/A 34.0
 
Jan. 22, 2020, noon 36.2 ppb (34) 6.3 ppb (6) N/A 30.0 ppb (28) N/A N/A 5.0 ppb (4) N/A N/A N/A 34.0
 
Jan. 22, 2020, 11 a.m. 20.1 ppb (19) 1.3 ppb (1) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) N/A N/A N/A 19.0
 
Jan. 22, 2020, 10 a.m. 17.4 ppb (16) 1.0 ppb (1) N/A 16.0 ppb (15) N/A N/A 18.0 ppb (14) N/A N/A N/A 16.0
 
Jan. 22, 2020, 9 a.m. 15.5 ppb (14) 0.9 ppb (1) N/A 15.0 ppb (14) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Jan. 22, 2020, 8 a.m. 31.6 ppb (29) 2.8 ppb (3) N/A 29.0 ppb (27) N/A N/A 9.0 ppb (7) N/A N/A N/A 29.0
 
Jan. 22, 2020, 7 a.m. 37.5 ppb (35) 3.3 ppb (3) N/A 34.0 ppb (31) N/A N/A 4.0 ppb (3) N/A N/A N/A 35.0
 
Jan. 22, 2020, 6 a.m. 42.4 ppb (39) 5.2 ppb (5) N/A 37.0 ppb (34) N/A N/A 2.0 ppb (2) N/A N/A N/A 39.0
 
Jan. 22, 2020, 5 a.m. 31.3 ppb (29) 3.0 ppb (3) N/A 28.0 ppb (26) N/A N/A 10.0 ppb (8) N/A N/A N/A 29.0
 
Jan. 22, 2020, 4 a.m. 63.4 ppb (60) 22.9 ppb (21) N/A 41.0 ppb (38) N/A N/A 1.0 ppb (1) N/A N/A N/A 60.0
 
Jan. 22, 2020, 3 a.m. 59.1 ppb (55) 17.9 ppb (17) N/A 41.0 ppb (38) N/A N/A 1.0 ppb (1) N/A N/A N/A 55.0
 
Jan. 22, 2020, 2 a.m. 47.0 ppb (44) 6.1 ppb (6) N/A 41.0 ppb (38) N/A N/A 3.0 ppb (2) N/A N/A N/A 44.0
 
Jan. 22, 2020, 1 a.m. 42.6 ppb (39) 3.1 ppb (3) N/A 40.0 ppb (37) N/A N/A 6.0 ppb (5) N/A N/A N/A 39.0
 
Jan. 22, 2020, midnight 32.2 ppb (30) 2.3 ppb (2) N/A 30.0 ppb (28) N/A N/A 15.0 ppb (12) N/A N/A N/A 30.0
 
Jan. 21, 2020, 11 p.m. 27.4 ppb (25) 5.4 ppb (5) N/A 22.0 ppb (20) N/A N/A 25.0 ppb (19) N/A N/A N/A 25.0
 
Jan. 21, 2020, 10 p.m. 28.2 ppb (26) 7.7 ppb (7) N/A 21.0 ppb (19) N/A N/A 26.0 ppb (20) N/A N/A N/A 26.0
 
Jan. 21, 2020, 9 p.m. 23.3 ppb (22) 7.4 ppb (7) N/A 16.0 ppb (15) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 21, 2020, 8 p.m. 36.9 ppb (34) 14.2 ppb (13) N/A 23.0 ppb (21) N/A N/A 25.0 ppb (19) N/A N/A N/A 34.0
 
Jan. 21, 2020, 7 p.m. 48.9 ppb (45) 21.9 ppb (20) N/A 27.0 ppb (25) N/A N/A 22.0 ppb (17) N/A N/A N/A 45.0
 
Jan. 21, 2020, 6 p.m. 55.8 ppb (52) 26.4 ppb (24) N/A 29.0 ppb (27) N/A N/A 19.0 ppb (15) N/A N/A N/A 52.0
 
Jan. 21, 2020, 5 p.m. 61.1 ppb (58) 26.1 ppb (24) N/A 35.0 ppb (32) N/A N/A 11.0 ppb (8) N/A N/A N/A 58.0
 
Jan. 21, 2020, 4 p.m. 68.0 ppb (65) 31.1 ppb (29) N/A 37.0 ppb (34) N/A N/A 9.0 ppb (7) N/A N/A N/A 65.0
 
Jan. 21, 2020, 3 p.m. 68.8 ppb (66) 32.6 ppb (30) N/A 36.0 ppb (33) N/A N/A 4.0 ppb (3) N/A N/A N/A 66.0
 
Jan. 21, 2020, 2 p.m. 67.0 ppb (64) 25.4 ppb (24) N/A 42.0 ppb (39) N/A N/A 1.0 ppb (1) N/A N/A N/A 64.0
 
Jan. 21, 2020, 1 p.m. 65.9 ppb (63) 24.8 ppb (23) N/A 41.0 ppb (38) N/A N/A 1.0 ppb (1) N/A N/A N/A 63.0
 
Jan. 21, 2020, noon 69.6 ppb (67) 29.6 ppb (27) N/A 40.0 ppb (37) N/A N/A 1.0 ppb (1) N/A N/A N/A 67.0