ID: 1064

AQSQID: 490571003

Site Name: Harrisville

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

Updated: Sept. 29, 2020, 9:38 a.m.

Location: Ogden (N Ogden Ranchettes), UT

Reporting: True, Located: True

Current AQI: 15.0

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
Sept. 29, 2020, 8 a.m. 5.6 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 29, 2020, 7 a.m. 5.4 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 29, 2020, 6 a.m. 8.1 ppb (8) 0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Sept. 29, 2020, 5 a.m. 9.4 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 15.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 29, 2020, 4 a.m. 10.5 ppb (10) 0.2 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Sept. 29, 2020, 3 a.m. 14.8 ppb (14) 0.4 ppb (0) N/A 14.0 ppb (13) N/A N/A 16.0 ppb (12) N/A N/A N/A 14.0
 
Sept. 29, 2020, 2 a.m. 12.4 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 29, 2020, 1 a.m. 12.9 ppb (12) 0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 29, 2020, midnight 3.1 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 28, 2020, 11 p.m. 2.0 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
 
Sept. 28, 2020, 10 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 28, 2020, 9 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 28, 2020, 8 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 28, 2020, 7 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 28, 2020, 6 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 5 p.m. 7.9 ppb (7) 2.8 ppb (3) N/A 5.0 ppb (5) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 28, 2020, 4 p.m. 11.2 ppb (10) 4.1 ppb (4) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 28, 2020, 3 p.m. 34.1 ppb (32) 16.2 ppb (15) N/A 18.0 ppb (17) N/A N/A 13.0 ppb (10) N/A N/A N/A 32.0
 
Sept. 28, 2020, 2 p.m. 30.5 ppb (28) 10.3 ppb (10) N/A 20.0 ppb (19) N/A N/A 9.0 ppb (7) N/A N/A N/A 28.0
 
Sept. 28, 2020, 1 p.m. 32.5 ppb (30) 6.0 ppb (6) N/A 26.0 ppb (24) N/A N/A 3.0 ppb (2) N/A N/A N/A 30.0
 
Sept. 28, 2020, noon 10.4 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 28, 2020, 11 a.m. 3.9 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 28, 2020, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 28, 2020, 9 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 28, 2020, 8 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 7 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 6 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 4 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, 3 a.m. 5.3 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 28, 2020, 2 a.m. 7.8 ppb (7) 0.6 ppb (1) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 28, 2020, 1 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 28, 2020, midnight 2.4 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 27, 2020, 11 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 27, 2020, 10 p.m. 0.9 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 27, 2020, 9 p.m. 0.8 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 27, 2020, 8 p.m. 0.8 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 27, 2020, 7 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 27, 2020, 6 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 27, 2020, 5 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 27, 2020, 4 p.m. 0.9 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 27, 2020, 3 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 27, 2020, 2 p.m. 5.5 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 27, 2020, 1 p.m. 4.1 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 27, 2020, noon 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 27, 2020, 10 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) N/A N/A N/A 26.0
 
Sept. 27, 2020, 9 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 27, 2020, 8 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 27, 2020, 7 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 27, 2020, 6 a.m. 0.4 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 27, 2020, 5 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 27, 2020, 4 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 27, 2020, 3 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 27, 2020, 2 a.m. 6.7 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 27, 2020, 1 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 27, 2020, midnight 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 26, 2020, 11 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 26, 2020, 10 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 26, 2020, 9 p.m. 1.0 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 26, 2020, 8 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 26, 2020, 7 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 26, 2020, 6 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 26, 2020, 5 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 26, 2020, 4 p.m. 3.6 ppb (3) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 26, 2020, 3 p.m. 4.5 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 26, 2020, 2 p.m. 22.5 ppb (21) 3.6 ppb (3) N/A 19.0 ppb (18) N/A N/A 11.0 ppb (8) N/A N/A N/A 21.0
 
Sept. 26, 2020, 1 p.m. 10.5 ppb (10) 0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Sept. 26, 2020, noon 11.3 ppb (10) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) N/A N/A N/A 10.0
 
Sept. 26, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 26, 2020, 10 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 26, 2020, 9 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 26, 2020, 8 a.m. 5.7 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 26, 2020, 7 a.m. 8.0 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 26, 2020, 6 a.m. 9.7 ppb (9) 0.2 ppb (0) N/A 9.0 ppb (8) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Sept. 26, 2020, 5 a.m. 12.5 ppb (12) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 18.0 ppb (14) N/A N/A N/A 14.0
 
Sept. 26, 2020, 4 a.m. 13.4 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 26, 2020, 3 a.m. 15.0 ppb (14) 0.5 ppb (0) N/A 14.0 ppb (13) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 26, 2020, 2 a.m. 15.4 ppb (14) 0.8 ppb (1) N/A 14.0 ppb (13) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 26, 2020, 1 a.m. 19.3 ppb (18) 1.0 ppb (1) N/A 18.0 ppb (17) N/A N/A 20.0 ppb (15) N/A N/A N/A 18.0
 
Sept. 26, 2020, midnight 15.6 ppb (14) 1.5 ppb (1) N/A 14.0 ppb (13) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 25, 2020, 11 p.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 25, 2020, 10 p.m. 1.6 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 25, 2020, 9 p.m. 2.1 ppb (2) 0.3 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. 25, 2020, 8 p.m. 3.1 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 25, 2020, 7 p.m. 5.5 ppb (5) 1.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) N/A N/A N/A 33.0
 
Sept. 25, 2020, 6 p.m. 7.3 ppb (7) 1.6 ppb (1) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) N/A N/A N/A 32.0
 
Sept. 25, 2020, 5 p.m. 6.6 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 25, 2020, 4 p.m. 11.5 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (7) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 25, 2020, 3 p.m. 41.0 ppb (38) 18.9 ppb (18) N/A 22.0 ppb (20) N/A N/A 12.0 ppb (9) N/A N/A N/A 38.0
 
Sept. 25, 2020, 2 p.m. 51.6 ppb (48) 24.5 ppb (23) N/A 27.0 ppb (25) N/A N/A 4.0 ppb (3) N/A N/A N/A 48.0
 
Sept. 25, 2020, 1 p.m. 25.4 ppb (24) 4.5 ppb (4) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) N/A N/A N/A 24.0
 
Sept. 25, 2020, noon 13.1 ppb (12) 0.3 ppb (0) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) N/A N/A N/A 12.0
 
Sept. 25, 2020, 11 a.m. 11.1 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A N/A N/A N/A N/A 10.0
 
Sept. 25, 2020, 10 a.m. 6.7 ppb (6) 0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 25, 2020, 9 a.m. 12.4 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 25, 2020, 8 a.m. 11.4 ppb (11) 0.2 ppb (0) N/A 11.0 ppb (10) N/A N/A 17.0 ppb (13) N/A N/A N/A 13.0
 
Sept. 25, 2020, 7 a.m. 11.5 ppb (11) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 25, 2020, 6 a.m. 11.2 ppb (10) 0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 25, 2020, 5 a.m. 12.1 ppb (11) 0.2 ppb (0) N/A 12.0 ppb (11) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 25, 2020, 4 a.m. 13.0 ppb (12) 0.1 ppb (0) N/A 13.0 ppb (12) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 25, 2020, 3 a.m. 9.2 ppb (9) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 25, 2020, 2 a.m. 10.5 ppb (10) 0.1 ppb (0) N/A 10.0 ppb (9) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 25, 2020, 1 a.m. 19.9 ppb (18) 0.6 ppb (1) N/A 19.0 ppb (18) N/A N/A 20.0 ppb (15) N/A N/A N/A 18.0
 
Sept. 25, 2020, midnight 6.7 ppb (6) 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
 
Sept. 24, 2020, 11 p.m. 2.8 ppb (3) 0.3 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. 24, 2020, 10 p.m. 1.2 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 24, 2020, 9 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 24, 2020, 8 p.m. 1.7 ppb (2) 0.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 24, 2020, 7 p.m. 6.0 ppb (6) 1.1 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 24, 2020, 6 p.m. 7.4 ppb (7) 1.6 ppb (1) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 24, 2020, 5 p.m. 9.1 ppb (8) 2.0 ppb (2) N/A 7.0 ppb (6) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 24, 2020, 4 p.m. 9.3 ppb (9) 2.1 ppb (2) N/A 7.0 ppb (6) N/A N/A 36.0 ppb (28) N/A N/A N/A 28.0
 
Sept. 24, 2020, 3 p.m. 24.7 ppb (23) 8.4 ppb (8) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A N/A N/A 23.0
 
Sept. 24, 2020, 2 p.m. 41.9 ppb (39) 17.7 ppb (16) N/A 24.0 ppb (22) N/A N/A 5.0 ppb (4) N/A N/A N/A 39.0
 
Sept. 24, 2020, 1 p.m. 28.4 ppb (26) 5.7 ppb (5) N/A 22.0 ppb (20) N/A N/A 2.0 ppb (2) N/A N/A N/A 26.0
 
Sept. 24, 2020, noon 19.8 ppb (18) 1.7 ppb (2) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) N/A N/A N/A 18.0
 
Sept. 24, 2020, 11 a.m. 18.3 ppb (17) 1.8 ppb (2) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) N/A N/A N/A 17.0
 
Sept. 24, 2020, 10 a.m. 17.3 ppb (16) 0.2 ppb (0) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) N/A N/A N/A 16.0
 
Sept. 24, 2020, 9 a.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 24, 2020, 8 a.m. 2.5 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 24, 2020, 7 a.m. 6.0 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (20) N/A N/A N/A 20.0
 
Sept. 24, 2020, 6 a.m. 8.5 ppb (8) 0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 24.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 24, 2020, 5 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 24, 2020, 4 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) N/A N/A N/A 31.0
 
Sept. 24, 2020, 3 a.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 24, 2020, 2 a.m. 7.6 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 32.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 24, 2020, 1 a.m. 18.6 ppb (17) 0.4 ppb (0) N/A 18.0 ppb (17) N/A N/A 21.0 ppb (16) N/A N/A N/A 17.0
 
Sept. 24, 2020, midnight 7.2 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 39.0 ppb (30) N/A N/A N/A 30.0
 
Sept. 23, 2020, 11 p.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 23, 2020, 10 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 23, 2020, 9 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 52.0 ppb (40) N/A N/A N/A 40.0
 
Sept. 23, 2020, 8 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) N/A N/A N/A 41.0
 
Sept. 23, 2020, 7 p.m. 8.0 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A N/A 51.0 ppb (39) N/A N/A N/A 39.0
 
Sept. 23, 2020, 6 p.m. 10.1 ppb (9) 2.1 ppb (2) N/A 8.0 ppb (7) N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
Sept. 23, 2020, 5 p.m. 14.8 ppb (14) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 23, 2020, 4 p.m. 19.9 ppb (18) 7.5 ppb (7) N/A 12.0 ppb (11) N/A N/A 21.0 ppb (16) N/A N/A N/A 18.0
 
Sept. 23, 2020, 3 p.m. 40.9 ppb (38) 18.6 ppb (17) N/A 22.0 ppb (20) N/A N/A 13.0 ppb (10) N/A N/A N/A 38.0
 
Sept. 23, 2020, 2 p.m. 35.6 ppb (33) 13.6 ppb (13) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) N/A N/A N/A 33.0
 
Sept. 23, 2020, 1 p.m. 18.3 ppb (17) 2.0 ppb (2) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) N/A N/A N/A 17.0
 
Sept. 23, 2020, noon 16.3 ppb (15) 1.1 ppb (1) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) N/A N/A N/A 15.0
 
Sept. 23, 2020, 11 a.m. 10.8 ppb (10) 0.6 ppb (1) N/A 10.0 ppb (9) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 23, 2020, 10 a.m. 5.2 ppb (5) 0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 23, 2020, 9 a.m. 3.5 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 23, 2020, 8 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 23, 2020, 7 a.m. 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (19) N/A N/A N/A 19.0
 
Sept. 23, 2020, 6 a.m. 6.1 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 23, 2020, 5 a.m. 6.3 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 23, 2020, 4 a.m. 14.0 ppb (13) 0.2 ppb (0) N/A 14.0 ppb (13) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 23, 2020, 3 a.m. 16.4 ppb (15) 0.2 ppb (0) N/A 16.0 ppb (15) N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 23, 2020, 2 a.m. 18.8 ppb (17) 0.3 ppb (0) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Sept. 23, 2020, 1 a.m. 14.5 ppb (13) 0.1 ppb (0) N/A 14.0 ppb (13) N/A N/A 31.0 ppb (24) N/A N/A N/A 24.0
 
Sept. 23, 2020, midnight 4.9 ppb (5) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 22, 2020, 11 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 22, 2020, 10 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) N/A N/A N/A 34.0
 
Sept. 22, 2020, 9 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 22, 2020, 8 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 48.0 ppb (37) N/A N/A N/A 37.0
 
Sept. 22, 2020, 7 p.m. 2.9 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) N/A N/A N/A 38.0
 
Sept. 22, 2020, 6 p.m. 4.0 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) N/A N/A N/A 36.0
 
Sept. 22, 2020, 5 p.m. 13.2 ppb (12) 3.0 ppb (3) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) N/A N/A N/A 29.0
 
Sept. 22, 2020, 4 p.m. 13.8 ppb (13) 3.2 ppb (3) N/A 10.0 ppb (9) N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
Sept. 22, 2020, 3 p.m. 35.4 ppb (33) 13.4 ppb (12) N/A 22.0 ppb (20) N/A N/A 21.0 ppb (16) N/A N/A N/A 33.0
 
Sept. 22, 2020, 2 p.m. 59.9 ppb (56) 24.6 ppb (23) N/A 35.0 ppb (32) N/A N/A 5.0 ppb (4) N/A N/A N/A 56.0
 
Sept. 22, 2020, 1 p.m. 30.1 ppb (28) 2.1 ppb (2) N/A 28.0 ppb (26) N/A N/A 14.0 ppb (11) N/A N/A N/A 28.0
 
Sept. 22, 2020, noon 6.7 ppb (6) 0.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0
 
Sept. 22, 2020, 11 a.m. 9.9 ppb (9) 0.4 ppb (0) N/A 9.0 ppb (8) N/A N/A 21.0 ppb (16) N/A N/A N/A 16.0
 
Sept. 22, 2020, 10 a.m. 7.5 ppb (7) 0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 22, 2020, 9 a.m. 3.6 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 33.0 ppb (25) N/A N/A N/A 25.0