ID: 2566

AQSQID: 490050007

Site Name: Smithfield

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

Updated: Dec. 2, 2020, 2:41 p.m.

Location: Smithfield (W 220 N), UT

Reporting: True, Located: True

Current AQI: 17.0

Smithfield (W 220 N) UT, US: 41.842778, -111.85194

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Dec. 2, 2020, 1 p.m. 17.7 ppb (17) 4.1 ppb (4) N/A 14.0 ppb (14) N/A N/A 7.0 ppb (7) N/A N/A N/A 17.0
 
Dec. 2, 2020, noon 12.6 ppb (12) 2.3 ppb (3) N/A 11.0 ppb (11) N/A N/A 9.0 ppb (9) N/A N/A N/A 12.0
 
Dec. 2, 2020, 11 a.m. 11.7 ppb (12) 2.6 ppb (3) N/A 9.0 ppb (9) N/A N/A 10.0 ppb (10) N/A N/A N/A 12.0
 
Dec. 2, 2020, 10 a.m. 14.9 ppb (15) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) N/A N/A N/A 15.0
 
Dec. 2, 2020, 9 a.m. 17.5 ppb (17) 2.2 ppb (3) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) N/A N/A N/A 17.0
 
Dec. 2, 2020, 8 a.m. 15.2 ppb (15) 2.2 ppb (3) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) N/A N/A N/A 15.0
 
Dec. 2, 2020, 7 a.m. 14.2 ppb (14) 3.3 ppb (4) N/A 11.0 ppb (11) N/A N/A 14.0 ppb (13) N/A N/A N/A 14.0
 
Dec. 2, 2020, 6 a.m. 22.0 ppb (21) 4.3 ppb (5) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (7) N/A N/A N/A 21.0
 
Dec. 2, 2020, 5 a.m. 16.2 ppb (16) 2.8 ppb (3) N/A 14.0 ppb (14) N/A N/A 11.0 ppb (11) N/A N/A N/A 16.0
 
Dec. 2, 2020, 4 a.m. 8.9 ppb (9) 2.3 ppb (3) N/A 7.0 ppb (7) N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
Dec. 2, 2020, 3 a.m. 8.0 ppb (8) 2.9 ppb (3) N/A 5.0 ppb (5) N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
Dec. 2, 2020, 2 a.m. 6.4 ppb (7) 2.3 ppb (3) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Dec. 2, 2020, 1 a.m. 8.0 ppb (8) 2.2 ppb (3) N/A 6.0 ppb (6) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
Dec. 2, 2020, midnight 12.0 ppb (12) 2.4 ppb (3) N/A 10.0 ppb (10) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Dec. 1, 2020, 11 p.m. 10.8 ppb (11) 4.3 ppb (5) N/A 7.0 ppb (7) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Dec. 1, 2020, 10 p.m. 6.5 ppb (7) 3.3 ppb (4) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Dec. 1, 2020, 9 p.m. 4.6 ppb (5) 2.4 ppb (3) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
Dec. 1, 2020, 8 p.m. 3.8 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (31) N/A N/A N/A 31.0
 
Dec. 1, 2020, 7 p.m. 5.2 ppb (5) 2.7 ppb (3) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Dec. 1, 2020, 6 p.m. 7.6 ppb (8) 3.6 ppb (4) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Dec. 1, 2020, 5 p.m. 11.5 ppb (11) 5.4 ppb (6) N/A 6.0 ppb (6) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Dec. 1, 2020, 4 p.m. 22.7 ppb (22) 11.3 ppb (11) N/A 12.0 ppb (12) N/A N/A 16.0 ppb (15) N/A N/A N/A 22.0
 
Dec. 1, 2020, 3 p.m. 47.2 ppb (45) 25.0 ppb (24) N/A 23.0 ppb (22) N/A N/A 5.0 ppb (5) N/A N/A N/A 45.0
 
Dec. 1, 2020, 2 p.m. 43.8 ppb (42) 18.0 ppb (17) N/A 26.0 ppb (25) N/A N/A 2.0 ppb (2) N/A N/A N/A 42.0
 
Dec. 1, 2020, 1 p.m. 20.2 ppb (20) 4.5 ppb (5) N/A 16.0 ppb (16) N/A N/A 8.0 ppb (8) N/A N/A N/A 20.0
 
Dec. 1, 2020, noon 8.5 ppb (9) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Dec. 1, 2020, 11 a.m. 5.7 ppb (6) 2.9 ppb (3) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Dec. 1, 2020, 10 a.m. 5.4 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
Dec. 1, 2020, 9 a.m. 6.2 ppb (6) 2.8 ppb (3) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Dec. 1, 2020, 8 a.m. 5.3 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Dec. 1, 2020, 7 a.m. 3.8 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Dec. 1, 2020, 6 a.m. 6.2 ppb (6) 2.0 ppb (2) N/A 4.0 ppb (4) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Dec. 1, 2020, 5 a.m. 5.9 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Dec. 1, 2020, 4 a.m. 14.3 ppb (14) 1.8 ppb (2) N/A 13.0 ppb (13) N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
Dec. 1, 2020, 3 a.m. 12.3 ppb (12) 2.1 ppb (2) N/A 11.0 ppb (11) N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
Dec. 1, 2020, 2 a.m. 14.5 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Dec. 1, 2020, 1 a.m. 10.7 ppb (11) 2.2 ppb (3) N/A 9.0 ppb (9) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
Dec. 1, 2020, midnight 15.8 ppb (15) 3.8 ppb (4) N/A 12.0 ppb (12) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 30, 2020, 11 p.m. 17.9 ppb (17) 4.6 ppb (5) N/A 14.0 ppb (14) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 30, 2020, 10 p.m. 14.9 ppb (15) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 30, 2020, 9 p.m. 9.9 ppb (10) 3.8 ppb (4) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 30, 2020, 8 p.m. 10.3 ppb (10) 4.3 ppb (5) N/A 6.0 ppb (6) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 30, 2020, 7 p.m. 8.4 ppb (8) 3.6 ppb (4) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 30, 2020, 6 p.m. 20.2 ppb (20) 11.1 ppb (11) N/A 9.0 ppb (9) N/A N/A 17.0 ppb (16) N/A N/A N/A 20.0
 
Nov. 30, 2020, 5 p.m. 20.3 ppb (20) 12.2 ppb (12) N/A 8.0 ppb (8) N/A N/A 13.0 ppb (13) N/A N/A N/A 20.0
 
Nov. 30, 2020, 4 p.m. 44.6 ppb (43) 30.1 ppb (29) N/A 15.0 ppb (15) N/A N/A 6.0 ppb (6) N/A N/A N/A 43.0
 
Nov. 30, 2020, 3 p.m. 26.5 ppb (25) 17.5 ppb (17) N/A 9.0 ppb (9) N/A N/A 3.0 ppb (3) N/A N/A N/A 25.0
 
Nov. 30, 2020, 2 p.m. 26.9 ppb (26) 13.2 ppb (13) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) N/A N/A N/A 26.0
 
Nov. 30, 2020, 1 p.m. 18.4 ppb (18) 6.3 ppb (6) N/A 12.0 ppb (12) N/A N/A 1.0 ppb (1) N/A N/A N/A 18.0
 
Nov. 30, 2020, noon 15.8 ppb (15) 4.7 ppb (5) N/A 11.0 ppb (11) N/A N/A 3.0 ppb (3) N/A N/A N/A 15.0
 
Nov. 30, 2020, 11 a.m. 23.4 ppb (23) 5.9 ppb (6) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A N/A 23.0
 
Nov. 30, 2020, 10 a.m. 19.8 ppb (19) 5.1 ppb (5) N/A 15.0 ppb (15) N/A N/A 3.0 ppb (3) N/A N/A N/A 19.0
 
Nov. 30, 2020, 9 a.m. 18.8 ppb (18) 3.4 ppb (4) N/A 16.0 ppb (16) N/A N/A 3.0 ppb (3) N/A N/A N/A 18.0
 
Nov. 30, 2020, 8 a.m. 19.1 ppb (19) 3.7 ppb (4) N/A 16.0 ppb (16) N/A N/A 6.0 ppb (6) N/A N/A N/A 19.0
 
Nov. 30, 2020, 7 a.m. 13.2 ppb (13) 3.4 ppb (4) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) N/A N/A N/A 13.0
 
Nov. 30, 2020, 6 a.m. 12.5 ppb (12) 3.3 ppb (4) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) N/A N/A N/A 12.0
 
Nov. 30, 2020, 5 a.m. 9.3 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
Nov. 30, 2020, 4 a.m. 10.2 ppb (10) 2.8 ppb (3) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 30, 2020, 3 a.m. 9.3 ppb (9) 2.9 ppb (3) N/A 7.0 ppb (7) N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
Nov. 30, 2020, 2 a.m. 10.2 ppb (10) 1.7 ppb (2) N/A 9.0 ppb (9) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 30, 2020, 1 a.m. 15.0 ppb (15) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 14.0 ppb (13) N/A N/A N/A 15.0
 
Nov. 30, 2020, midnight 12.7 ppb (12) 1.9 ppb (2) N/A 11.0 ppb (11) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 29, 2020, 11 p.m. 4.8 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 29, 2020, 10 p.m. 4.6 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 29, 2020, 9 p.m. 5.2 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 29, 2020, 8 p.m. 5.1 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 29, 2020, 7 p.m. 5.1 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 29, 2020, 6 p.m. 6.2 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 29, 2020, 5 p.m. 7.3 ppb (7) 3.4 ppb (4) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 29, 2020, 4 p.m. 8.3 ppb (8) 4.4 ppb (5) N/A 4.0 ppb (4) N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
Nov. 29, 2020, 3 p.m. 18.9 ppb (18) 9.6 ppb (10) N/A 10.0 ppb (10) N/A N/A 6.0 ppb (6) N/A N/A N/A 18.0
 
Nov. 29, 2020, 2 p.m. 25.1 ppb (24) 8.3 ppb (8) N/A 17.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A N/A 24.0
 
Nov. 29, 2020, 1 p.m. 23.6 ppb (23) 6.4 ppb (7) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A N/A 23.0
 
Nov. 29, 2020, noon 24.4 ppb (24) 7.2 ppb (7) N/A 18.0 ppb (17) N/A N/A 2.0 ppb (2) N/A N/A N/A 24.0
 
Nov. 29, 2020, 11 a.m. 25.0 ppb (24) 7.7 ppb (8) N/A 18.0 ppb (17) N/A N/A N/A N/A N/A N/A 24.0
 
Nov. 29, 2020, 10 a.m. 17.0 ppb (17) 3.8 ppb (4) N/A 14.0 ppb (14) N/A N/A 1.0 ppb (1) N/A N/A N/A 17.0
 
Nov. 29, 2020, 9 a.m. 17.9 ppb (17) 3.7 ppb (4) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A N/A 17.0
 
Nov. 29, 2020, 8 a.m. 19.0 ppb (18) 4.6 ppb (5) N/A 15.0 ppb (15) N/A N/A 3.0 ppb (3) N/A N/A N/A 18.0
 
Nov. 29, 2020, 7 a.m. 12.1 ppb (12) 2.2 ppb (3) N/A 10.0 ppb (10) N/A N/A 7.0 ppb (7) N/A N/A N/A 12.0
 
Nov. 29, 2020, 6 a.m. 9.6 ppb (10) 2.6 ppb (3) N/A 7.0 ppb (7) N/A N/A 9.0 ppb (9) N/A N/A N/A 10.0
 
Nov. 29, 2020, 5 a.m. 10.8 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 29, 2020, 4 a.m. 20.5 ppb (20) 4.7 ppb (5) N/A 16.0 ppb (16) N/A N/A 7.0 ppb (7) N/A N/A N/A 20.0
 
Nov. 29, 2020, 3 a.m. 12.9 ppb (13) 2.8 ppb (3) N/A 10.0 ppb (10) N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
Nov. 29, 2020, 2 a.m. 13.0 ppb (13) 2.2 ppb (3) N/A 11.0 ppb (11) N/A N/A 17.0 ppb (16) N/A N/A N/A 16.0
 
Nov. 29, 2020, 1 a.m. 21.6 ppb (21) 3.0 ppb (3) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (9) N/A N/A N/A 21.0
 
Nov. 29, 2020, midnight 14.7 ppb (14) 2.5 ppb (3) N/A 13.0 ppb (13) N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
Nov. 28, 2020, 11 p.m. 8.9 ppb (9) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 22.0 ppb (21) N/A N/A N/A 21.0
 
Nov. 28, 2020, 10 p.m. 7.3 ppb (7) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 28, 2020, 9 p.m. 6.0 ppb (6) 2.6 ppb (3) N/A 4.0 ppb (4) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 28, 2020, 8 p.m. 5.7 ppb (6) 2.8 ppb (3) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 28, 2020, 7 p.m. 5.9 ppb (6) 3.2 ppb (4) N/A 3.0 ppb (3) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 28, 2020, 6 p.m. 6.6 ppb (7) 3.7 ppb (4) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 28, 2020, 5 p.m. 6.7 ppb (7) 4.2 ppb (4) N/A 3.0 ppb (3) N/A N/A 14.0 ppb (13) N/A N/A N/A 13.0
 
Nov. 28, 2020, 4 p.m. 10.3 ppb (10) 6.4 ppb (7) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (10) N/A N/A N/A 10.0
 
Nov. 28, 2020, 3 p.m. 12.3 ppb (12) 7.2 ppb (7) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (4) N/A N/A N/A 12.0
 
Nov. 28, 2020, 2 p.m. 28.5 ppb (27) 13.6 ppb (13) N/A 15.0 ppb (15) N/A N/A 1.0 ppb (1) N/A N/A N/A 27.0
 
Nov. 28, 2020, 1 p.m. 24.8 ppb (24) 10.1 ppb (10) N/A 15.0 ppb (15) N/A N/A 0.0 ppb (0) N/A N/A N/A 24.0
 
Nov. 28, 2020, noon 11.1 ppb (11) 2.4 ppb (3) N/A 9.0 ppb (9) N/A N/A 4.0 ppb (4) N/A N/A N/A 11.0
 
Nov. 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A N/A 8.0
 
Nov. 28, 2020, 10 a.m. 13.2 ppb (13) 3.1 ppb (3) N/A 10.0 ppb (10) N/A N/A 5.0 ppb (5) N/A N/A N/A 13.0
 
Nov. 28, 2020, 9 a.m. 9.8 ppb (10) 3.3 ppb (4) N/A 7.0 ppb (7) N/A N/A 5.0 ppb (5) N/A N/A N/A 10.0
 
Nov. 28, 2020, 8 a.m. 13.2 ppb (13) 2.7 ppb (3) N/A 11.0 ppb (11) N/A N/A 8.0 ppb (8) N/A N/A N/A 13.0
 
Nov. 28, 2020, 7 a.m. 16.7 ppb (16) 3.6 ppb (4) N/A 14.0 ppb (14) N/A N/A 3.0 ppb (3) N/A N/A N/A 16.0
 
Nov. 28, 2020, 6 a.m. 9.8 ppb (10) 2.5 ppb (3) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 28, 2020, 5 a.m. 8.8 ppb (9) 2.9 ppb (3) N/A 6.0 ppb (6) N/A N/A 12.0 ppb (12) N/A N/A N/A 12.0
 
Nov. 28, 2020, 4 a.m. 10.6 ppb (10) 2.9 ppb (3) N/A 8.0 ppb (8) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 28, 2020, 3 a.m. 14.5 ppb (14) 1.9 ppb (2) N/A 13.0 ppb (13) N/A N/A 11.0 ppb (11) N/A N/A N/A 14.0
 
Nov. 28, 2020, 2 a.m. 13.4 ppb (13) 1.9 ppb (2) N/A 12.0 ppb (12) N/A N/A 13.0 ppb (13) N/A N/A N/A 13.0
 
Nov. 28, 2020, 1 a.m. 9.6 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 28, 2020, midnight 10.9 ppb (11) 1.8 ppb (2) N/A 9.0 ppb (9) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 27, 2020, 11 p.m. 5.0 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 27, 2020, 10 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 27, 2020, 9 p.m. 3.4 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 27, 2020, 8 p.m. 3.2 ppb (4) 1.9 ppb (2) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 27, 2020, 7 p.m. 3.2 ppb (4) 2.0 ppb (2) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 27, 2020, 6 p.m. 4.7 ppb (5) 2.7 ppb (3) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 27, 2020, 5 p.m. 5.7 ppb (6) 3.4 ppb (4) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 27, 2020, 4 p.m. 10.5 ppb (10) 5.6 ppb (6) N/A 5.0 ppb (5) N/A N/A 15.0 ppb (14) N/A N/A N/A 14.0
 
Nov. 27, 2020, 3 p.m. 19.3 ppb (19) 9.4 ppb (9) N/A 10.0 ppb (10) N/A N/A 8.0 ppb (8) N/A N/A N/A 19.0
 
Nov. 27, 2020, 2 p.m. 31.6 ppb (30) 12.3 ppb (12) N/A 20.0 ppb (19) N/A N/A 2.0 ppb (2) N/A N/A N/A 30.0
 
Nov. 27, 2020, 1 p.m. 21.9 ppb (21) 5.4 ppb (6) N/A 17.0 ppb (17) N/A N/A 4.0 ppb (4) N/A N/A N/A 21.0
 
Nov. 27, 2020, noon 15.8 ppb (15) 3.9 ppb (4) N/A 12.0 ppb (12) N/A N/A 4.0 ppb (4) N/A N/A N/A 15.0
 
Nov. 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A N/A 9.0
 
Nov. 27, 2020, 10 a.m. 12.2 ppb (12) 2.6 ppb (3) N/A 10.0 ppb (10) N/A N/A 10.0 ppb (10) N/A N/A N/A 12.0
 
Nov. 27, 2020, 9 a.m. 15.2 ppb (15) 2.8 ppb (3) N/A 13.0 ppb (13) N/A N/A 6.0 ppb (6) N/A N/A N/A 15.0
 
Nov. 27, 2020, 8 a.m. 11.0 ppb (11) 2.3 ppb (3) N/A 9.0 ppb (9) N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
Nov. 27, 2020, 7 a.m. 8.4 ppb (8) 2.4 ppb (3) N/A 6.0 ppb (6) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 27, 2020, 6 a.m. 5.2 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2020, 5 a.m. 4.3 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 27, 2020, 4 a.m. 5.4 ppb (6) 2.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 27, 2020, 3 a.m. 4.4 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 27, 2020, 2 a.m. 4.7 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 27, 2020, 1 a.m. 4.6 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 19.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 27, 2020, midnight 4.2 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 26, 2020, 11 p.m. 3.2 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 10 p.m. 2.9 ppb (3) 1.8 ppb (2) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 26, 2020, 9 p.m. 3.4 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 26, 2020, 8 p.m. 2.7 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Nov. 26, 2020, 7 p.m. 3.4 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 26, 2020, 6 p.m. 3.7 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 26, 2020, 5 p.m. 3.8 ppb (4) 2.2 ppb (3) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 4 p.m. 3.7 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 3 p.m. 7.9 ppb (8) 3.3 ppb (4) N/A 5.0 ppb (5) N/A N/A 20.0 ppb (19) N/A N/A N/A 19.0
 
Nov. 26, 2020, 2 p.m. 5.9 ppb (6) 2.4 ppb (3) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) N/A N/A N/A 15.0
 
Nov. 26, 2020, 1 p.m. 5.2 ppb (5) 2.0 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 2020, noon 7.0 ppb (7) 1.6 ppb (2) N/A 6.0 ppb (6) N/A N/A 21.0 ppb (20) N/A N/A N/A 20.0
 
Nov. 26, 2020, 11 a.m. 6.1 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 26, 2020, 10 a.m. 5.6 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 24.0 ppb (23) N/A N/A N/A 23.0
 
Nov. 26, 2020, 9 a.m. 5.5 ppb (6) 1.5 ppb (2) N/A 4.0 ppb (4) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 8 a.m. 5.0 ppb (5) 1.6 ppb (2) N/A 4.0 ppb (4) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 7 a.m. 6.4 ppb (7) 1.6 ppb (2) N/A 5.0 ppb (5) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 26, 2020, 6 a.m. 4.8 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 26.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 26, 2020, 5 a.m. 3.7 ppb (4) 1.9 ppb (2) N/A 2.0 ppb (2) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 26, 2020, 4 a.m. 3.7 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 26, 2020, 3 a.m. 4.2 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 32.0 ppb (30) N/A N/A N/A 30.0
 
Nov. 26, 2020, 2 a.m. 3.5 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A N/A 31.0 ppb (29) N/A N/A N/A 29.0
 
Nov. 26, 2020, 1 a.m. 5.0 ppb (5) 2.5 ppb (3) N/A 3.0 ppb (3) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
Nov. 26, 2020, midnight 5.2 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
Nov. 25, 2020, 11 p.m. 10.9 ppb (11) 3.0 ppb (3) N/A 8.0 ppb (8) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 25, 2020, 10 p.m. 12.2 ppb (12) 4.0 ppb (4) N/A 9.0 ppb (9) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 25, 2020, 9 p.m. 9.5 ppb (9) 3.2 ppb (4) N/A 7.0 ppb (7) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 25, 2020, 8 p.m. 8.1 ppb (8) 2.8 ppb (3) N/A 6.0 ppb (6) N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Nov. 25, 2020, 7 p.m. 8.1 ppb (8) 3.7 ppb (4) N/A 5.0 ppb (5) N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Nov. 25, 2020, 6 p.m. 10.5 ppb (10) 4.4 ppb (5) N/A 6.0 ppb (6) N/A N/A 25.0 ppb (24) N/A N/A N/A 24.0
 
Nov. 25, 2020, 5 p.m. 11.4 ppb (11) 4.9 ppb (5) N/A 7.0 ppb (7) N/A N/A 23.0 ppb (22) N/A N/A N/A 22.0
 
Nov. 25, 2020, 4 p.m. 18.0 ppb (17) 8.6 ppb (9) N/A 10.0 ppb (10) N/A N/A 15.0 ppb (14) N/A N/A N/A 17.0
 
Nov. 25, 2020, 3 p.m. 36.2 ppb (35) 19.5 ppb (19) N/A 17.0 ppb (17) N/A N/A 3.0 ppb (3) N/A N/A N/A 35.0
 
Nov. 25, 2020, 2 p.m. 18.3 ppb (18) 5.9 ppb (6) N/A 13.0 ppb (13) N/A N/A 3.0 ppb (3) N/A N/A N/A 18.0