ID: 9702

AQSQID: 124CC0119004

Site Name: Whitehorse Naps

Added: April 9, 2021, 5:40 a.m.

Updated: Sept. 19, 2021, 11:02 a.m.

Location: None, N/A

Reporting: True, Located: False

Current AQI: 36.0

None N/A, CA: 60.71972, -135.05875

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 12, 2021, 9 a.m. 3.5 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A N/A 5.0 ppb (5) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 12, 2021, 8 a.m. 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 12, 2021, 7 a.m. 2.0 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 11.0 ppb (11) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 12, 2021, 6 a.m. 4.6 ppb (5) 1.4 ppb (2) N/A 3.0 ppb (3) N/A N/A 9.0 ppb (9) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 12, 2021, 5 a.m. 2.9 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (12) N/A N/A 5.1 μg/m3 (22) 22.0
 
Sept. 12, 2021, 4 a.m. 4.2 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A N/A 16.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 12, 2021, 3 a.m. 2.8 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A N/A 2.4 μg/m3 (10) 20.0
 
Sept. 12, 2021, 2 a.m. 1.5 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 1.8 μg/m3 (8) 23.0
 
Sept. 12, 2021, 1 a.m. 0.8 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Sept. 12, 2021, midnight 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
Sept. 11, 2021, 11 p.m. 2.1 ppb (2) 0.5 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A 2.5 μg/m3 (11) 22.0
 
Sept. 11, 2021, 10 p.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A N/A 2.1 μg/m3 (9) 24.0
 
Sept. 11, 2021, 9 p.m. 1.0 ppb (1) 0.5 ppb (1) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
Sept. 11, 2021, 8 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A N/A 1.9 μg/m3 (8) 24.0
 
Sept. 11, 2021, 7 p.m. 1.2 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Sept. 11, 2021, 6 p.m. 1.1 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Sept. 11, 2021, 5 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
Sept. 11, 2021, 4 p.m. 1.3 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (16) N/A N/A 3.0 μg/m3 (13) 16.0
 
Sept. 11, 2021, 3 p.m. 1.0 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 11, 2021, 2 p.m. 0.8 ppb (1) 0.4 ppb (1) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 3.2 μg/m3 (14) 16.0
 
Sept. 11, 2021, 1 p.m. -0.2 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 3.3 μg/m3 (14) 16.0
 
Sept. 11, 2021, noon -0.3 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 3.3 μg/m3 (14) 15.0
 
Sept. 11, 2021, 11 a.m. -0.2 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 3.4 μg/m3 (15) 16.0
 
Sept. 11, 2021, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
Sept. 11, 2021, 9 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 17.0 ppb (16) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 11, 2021, 8 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (18) N/A N/A 3.4 μg/m3 (15) 18.0
 
Sept. 11, 2021, 7 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 21.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
Sept. 11, 2021, 6 a.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Sept. 11, 2021, 5 a.m. 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
Sept. 11, 2021, 4 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Sept. 11, 2021, 3 a.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A N/A 2.8 μg/m3 (12) 22.0
 
Sept. 11, 2021, 2 a.m. 2.6 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Sept. 11, 2021, 1 a.m. 4.0 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A N/A 3.1 μg/m3 (13) 24.0
 
Sept. 11, 2021, midnight 3.4 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A N/A 3.0 μg/m3 (13) 24.0
 
Sept. 10, 2021, 11 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
Sept. 10, 2021, 10 p.m. 3.2 ppb (4) 1.4 ppb (2) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
Sept. 10, 2021, 9 p.m. 4.4 ppb (5) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A 3.4 μg/m3 (15) 22.0
 
Sept. 10, 2021, 8 p.m. 4.3 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Sept. 10, 2021, 7 p.m. 5.4 ppb (6) 2.2 ppb (3) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A N/A 3.3 μg/m3 (14) 21.0
 
Sept. 10, 2021, 6 p.m. 4.4 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 22.0 ppb (21) N/A N/A 3.5 μg/m3 (15) 21.0
 
Sept. 10, 2021, 5 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
Sept. 10, 2021, 4 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 21.0 ppb (20) N/A N/A 2.7 μg/m3 (12) 20.0
 
Sept. 10, 2021, 3 p.m. 2.5 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
Sept. 10, 2021, 2 p.m. -0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 3.1 μg/m3 (13) 15.0
 
Sept. 10, 2021, 1 p.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 3.1 μg/m3 (13) 15.0
 
Sept. 10, 2021, noon 0.4 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 15.0 ppb (14) N/A N/A 3.1 μg/m3 (13) 14.0
 
Sept. 10, 2021, 11 a.m. -0.2 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 2.9 μg/m3 (13) 16.0
 
Sept. 10, 2021, 10 a.m. -0.3 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
Sept. 10, 2021, 9 a.m. 0.3 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Sept. 10, 2021, 8 a.m. 0.2 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 2.9 μg/m3 (13) 15.0
 
Sept. 10, 2021, 7 a.m. 0.1 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (17) N/A N/A 2.7 μg/m3 (12) 17.0
 
Sept. 10, 2021, 6 a.m. 0.8 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) N/A N/A 2.8 μg/m3 (12) 17.0
 
Sept. 10, 2021, 5 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A N/A 2.8 μg/m3 (12) 18.0
 
Sept. 10, 2021, 4 a.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A N/A 3.2 μg/m3 (14) 19.0
 
Sept. 10, 2021, 3 a.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A N/A 3.1 μg/m3 (13) 19.0
 
Sept. 10, 2021, 2 a.m. 2.5 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A N/A 3.4 μg/m3 (15) 21.0
 
Sept. 10, 2021, 1 a.m. 2.7 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
Sept. 10, 2021, midnight 2.9 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Sept. 9, 2021, 11 p.m. 3.1 ppb (3) 1.7 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A N/A 3.6 μg/m3 (16) 21.0
 
Sept. 9, 2021, 10 p.m. 5.2 ppb (5) 3.7 ppb (4) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 3.3 μg/m3 (14) 20.0
 
Sept. 9, 2021, 9 p.m. 2.6 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 3.4 μg/m3 (15) 20.0
 
Sept. 9, 2021, 8 p.m. 2.1 ppb (2) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A 20.0 ppb (19) N/A N/A 4.3 μg/m3 (18) 19.0
 
Sept. 9, 2021, 7 p.m. 2.2 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A N/A 4.4 μg/m3 (19) 19.0
 
Sept. 9, 2021, 6 p.m. 3.1 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A N/A 16.0 ppb (15) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 9, 2021, 5 p.m. 2.0 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (13) N/A N/A 3.9 μg/m3 (17) 17.0
 
Sept. 9, 2021, 4 p.m. 2.3 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (13) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 9, 2021, 3 p.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) N/A N/A 3.2 μg/m3 (14) 14.0
 
Sept. 9, 2021, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 16.0 ppb (15) N/A N/A 3.0 μg/m3 (13) 15.0
 
Sept. 9, 2021, 1 p.m. -0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 17.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
Sept. 9, 2021, noon -0.1 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
Sept. 9, 2021, 11 a.m. -0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (18) N/A N/A 2.5 μg/m3 (11) 18.0
 
Sept. 9, 2021, 10 a.m. -0.1 ppb (0) -0.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 18.0 ppb (17) N/A N/A 2.8 μg/m3 (12) 17.0
 
Sept. 9, 2021, 9 a.m. 0.3 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 19.0 ppb (18) N/A N/A 3.0 μg/m3 (13) 18.0
 
Sept. 9, 2021, 8 a.m. -0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 20.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
Sept. 9, 2021, 7 a.m. 1.2 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) N/A N/A 3.6 μg/m3 (16) 17.0
 
Sept. 9, 2021, 6 a.m. 1.4 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 18.0 ppb (17) N/A N/A 4.6 μg/m3 (20) 20.0
 
Sept. 9, 2021, 5 a.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 17.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 9, 2021, 4 a.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A N/A 19.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 9, 2021, 3 a.m. 1.6 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A 3.3 μg/m3 (14) 25.0
 
Sept. 9, 2021, 2 a.m. 4.5 ppb (5) 2.4 ppb (3) N/A 2.0 ppb (2) N/A N/A 26.0 ppb (25) N/A N/A 3.8 μg/m3 (16) 25.0
 
Sept. 9, 2021, 1 a.m. 4.3 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 4.9 μg/m3 (21) 25.0
 
Sept. 9, 2021, midnight 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A N/A 27.0 ppb (25) N/A N/A 4.1 μg/m3 (18) 25.0
 
Sept. 8, 2021, 11 p.m. 1.5 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Sept. 8, 2021, 10 p.m. 2.9 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Sept. 8, 2021, 9 p.m. 4.6 ppb (5) 1.7 ppb (2) N/A 3.0 ppb (3) N/A N/A 20.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 8, 2021, 8 p.m. 8.8 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A N/A 14.0 ppb (13) N/A N/A 7.3 μg/m3 (31) 31.0
 
Sept. 8, 2021, 7 p.m. 11.3 ppb (11) 4.6 ppb (5) N/A 7.0 ppb (7) N/A N/A 10.0 ppb (10) N/A N/A 8.5 μg/m3 (36) 36.0
 
Sept. 8, 2021, 6 p.m. 7.8 ppb (8) 2.6 ppb (3) N/A 5.0 ppb (5) N/A N/A 8.0 ppb (8) N/A N/A 7.8 μg/m3 (33) 33.0
 
Sept. 8, 2021, 5 p.m. 9.4 ppb (9) 3.5 ppb (4) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) N/A N/A 7.8 μg/m3 (33) 33.0
 
Sept. 8, 2021, 4 p.m. 9.6 ppb (10) 4.0 ppb (4) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 8, 2021, 3 p.m. 10.0 ppb (10) 4.6 ppb (5) N/A 5.0 ppb (5) N/A N/A 4.0 ppb (4) N/A N/A 4.1 μg/m3 (18) 18.0
 
Sept. 8, 2021, 2 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A N/A 7.0 ppb (7) N/A N/A 4.6 μg/m3 (20) 20.0
 
Sept. 8, 2021, 1 p.m. 2.8 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 6.0 ppb (6) N/A N/A 4.4 μg/m3 (19) 19.0
 
Sept. 8, 2021, noon 1.3 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 6.0 ppb (6) N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 8, 2021, 11 a.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 8.0 ppb (8) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 8, 2021, 10 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 9.0 ppb (9) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 8, 2021, 9 a.m. 2.0 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 7.0 ppb (7) N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 8, 2021, 8 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 18.0 ppb (17) N/A N/A 3.9 μg/m3 (17) 17.0
 
Sept. 8, 2021, 7 a.m. 2.2 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A N/A 3.9 μg/m3 (17) 21.0
 
Sept. 8, 2021, 6 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A N/A 3.9 μg/m3 (17) 26.0
 
Sept. 8, 2021, 5 a.m. 1.4 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A 3.2 μg/m3 (14) 29.0
 
Sept. 8, 2021, 4 a.m. 2.2 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Sept. 8, 2021, 3 a.m. 3.9 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 8, 2021, 2 a.m. 1.4 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 8, 2021, 1 a.m. 3.2 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A N/A 3.4 μg/m3 (15) 23.0
 
Sept. 8, 2021, midnight 2.1 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
Sept. 7, 2021, 11 p.m. 4.6 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A 3.6 μg/m3 (16) 20.0
 
Sept. 7, 2021, 10 p.m. 4.2 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) N/A N/A 3.9 μg/m3 (17) 17.0
 
Sept. 7, 2021, 9 p.m. 4.2 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (15) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 7, 2021, 8 p.m. 4.3 ppb (5) 2.5 ppb (3) N/A 2.0 ppb (2) N/A N/A 13.0 ppb (13) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 7, 2021, 7 p.m. 3.9 ppb (4) 2.0 ppb (2) N/A 2.0 ppb (2) N/A N/A 12.0 ppb (12) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 7, 2021, 6 p.m. 3.1 ppb (3) 1.6 ppb (2) N/A 2.0 ppb (2) N/A N/A 11.0 ppb (11) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 7, 2021, 5 p.m. 12.9 ppb (13) 7.7 ppb (8) N/A 5.0 ppb (5) N/A N/A 5.0 ppb (5) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 7, 2021, 4 p.m. 19.6 ppb (19) 12.4 ppb (12) N/A 7.0 ppb (7) N/A N/A 1.0 ppb (1) N/A N/A 6.8 μg/m3 (29) 29.0
 
Sept. 7, 2021, 3 p.m. 18.5 ppb (18) 11.3 ppb (11) N/A 7.0 ppb (7) N/A N/A 0.0 ppb (0) N/A N/A 5.8 μg/m3 (25) 25.0
 
Sept. 7, 2021, 2 p.m. 9.0 ppb (9) 3.4 ppb (4) N/A 6.0 ppb (6) N/A N/A 2.0 ppb (2) N/A N/A 4.4 μg/m3 (19) 19.0
 
Sept. 7, 2021, 1 p.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 5.0 ppb (5) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 7, 2021, noon 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A N/A 8.0 ppb (8) N/A N/A 3.4 μg/m3 (15) 15.0
 
Sept. 7, 2021, 11 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 9.0 ppb (9) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 7, 2021, 10 a.m. 3.0 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (8) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 7, 2021, 9 a.m. 3.8 ppb (4) 0.4 ppb (1) N/A 3.0 ppb (3) N/A N/A 11.0 ppb (11) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 7, 2021, 8 a.m. 1.9 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 19.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 7, 2021, 7 a.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 12.5 μg/m3 (52) 52.0
 
Sept. 7, 2021, 6 a.m. 5.8 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (12) N/A N/A 8.7 μg/m3 (37) 37.0
 
Sept. 7, 2021, 5 a.m. 6.2 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 17.0 ppb (16) N/A N/A 10.4 μg/m3 (44) 44.0
 
Sept. 7, 2021, 4 a.m. 7.2 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A N/A 19.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Sept. 7, 2021, 3 a.m. 0.9 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A N/A 2.4 μg/m3 (10) 29.0
 
Sept. 7, 2021, 2 a.m. 2.6 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 30.0 ppb (28) N/A N/A 2.2 μg/m3 (10) 28.0
 
Sept. 7, 2021, 1 a.m. 10.8 ppb (11) 3.2 ppb (4) N/A 8.0 ppb (8) N/A N/A 17.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 7, 2021, midnight 8.8 ppb (9) 3.8 ppb (4) N/A 5.0 ppb (5) N/A N/A 12.0 ppb (12) N/A N/A 4.6 μg/m3 (20) 20.0
 
Sept. 6, 2021, 11 p.m. 5.7 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A N/A 16.0 ppb (15) N/A N/A 4.1 μg/m3 (18) 18.0
 
Sept. 6, 2021, 10 p.m. 4.0 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A 2.7 μg/m3 (12) 20.0
 
Sept. 6, 2021, 9 p.m. 2.8 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A N/A 22.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
Sept. 6, 2021, 8 p.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A N/A 21.0 ppb (20) N/A N/A 2.9 μg/m3 (13) 20.0
 
Sept. 6, 2021, 7 p.m. 4.9 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A N/A 18.0 ppb (17) N/A N/A 3.5 μg/m3 (15) 17.0
 
Sept. 6, 2021, 6 p.m. 9.5 ppb (9) 4.5 ppb (5) N/A 5.0 ppb (5) N/A N/A 10.0 ppb (10) N/A N/A 4.9 μg/m3 (21) 21.0
 
Sept. 6, 2021, 5 p.m. 12.9 ppb (13) 7.4 ppb (7) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 6, 2021, 4 p.m. 11.8 ppb (12) 6.0 ppb (6) N/A 6.0 ppb (6) N/A N/A 3.0 ppb (3) N/A N/A 7.7 μg/m3 (33) 33.0
 
Sept. 6, 2021, 3 p.m. 12.0 ppb (12) 5.2 ppb (5) N/A 7.0 ppb (7) N/A N/A 3.0 ppb (3) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 6, 2021, 2 p.m. 7.3 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A N/A 5.0 ppb (5) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 6, 2021, 1 p.m. 4.6 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A N/A 6.0 ppb (6) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 6, 2021, noon 3.6 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A N/A 8.0 ppb (8) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 6, 2021, 11 a.m. 4.7 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 10.0 ppb (10) N/A N/A 3.2 μg/m3 (14) 14.0
 
Sept. 6, 2021, 10 a.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 16.0 ppb (15) N/A N/A 10.2 μg/m3 (43) 43.0
 
Sept. 6, 2021, 9 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 17.0 ppb (16) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 6, 2021, 8 a.m. 0.7 ppb (1) 0.3 ppb (1) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Sept. 6, 2021, 7 a.m. 0.6 ppb (1) 0.1 ppb (1) N/A 0.0 ppb (0) N/A N/A 24.0 ppb (23) N/A N/A 1.9 μg/m3 (8) 23.0
 
Sept. 6, 2021, 6 a.m. 1.1 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 3.7 μg/m3 (16) 23.0
 
Sept. 6, 2021, 5 a.m. 2.4 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 23.0 ppb (22) N/A N/A 3.7 μg/m3 (16) 22.0
 
Sept. 6, 2021, 4 a.m. 2.5 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A N/A 25.0 ppb (24) N/A N/A 4.0 μg/m3 (17) 24.0
 
Sept. 6, 2021, 3 a.m. 3.7 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 6, 2021, 2 a.m. 1.9 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Sept. 6, 2021, 1 a.m. 1.5 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 24.0 ppb (23) N/A N/A 2.6 μg/m3 (11) 23.0
 
Sept. 6, 2021, midnight 1.8 ppb (2) 0.9 ppb (1) N/A 1.0 ppb (1) N/A N/A 22.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Sept. 5, 2021, 11 p.m. 1.6 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
Sept. 5, 2021, 10 p.m. 1.3 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 21.0 ppb (20) N/A N/A 2.4 μg/m3 (10) 20.0
 
Sept. 5, 2021, 9 p.m. 1.3 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A N/A 1.7 μg/m3 (8) 25.0
 
Sept. 5, 2021, 8 p.m. 1.3 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A N/A 2.2 μg/m3 (10) 26.0
 
Sept. 5, 2021, 7 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 19.0 ppb (18) N/A N/A 3.7 μg/m3 (16) 18.0
 
Sept. 5, 2021, 6 p.m. 1.9 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 14.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 5, 2021, 5 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A N/A 13.0 ppb (13) N/A N/A 3.6 μg/m3 (16) 16.0
 
Sept. 5, 2021, 4 p.m. 2.0 ppb (2) 0.5 ppb (1) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (12) N/A N/A 4.4 μg/m3 (19) 19.0
 
Sept. 5, 2021, 3 p.m. 1.4 ppb (2) 0.4 ppb (1) N/A 1.0 ppb (1) N/A N/A 10.0 ppb (10) N/A N/A 3.7 μg/m3 (16) 16.0
 
Sept. 5, 2021, 2 p.m. 0.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) N/A N/A 3.2 μg/m3 (14) 14.0
 
Sept. 5, 2021, 1 p.m. 0.9 ppb (1) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 15.0 ppb (14) N/A N/A 3.4 μg/m3 (15) 15.0
 
Sept. 5, 2021, noon 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 12.0 ppb (12) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 5, 2021, 11 a.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A N/A 8.0 ppb (8) N/A N/A 5.2 μg/m3 (22) 22.0
 
Sept. 5, 2021, 10 a.m. 1.2 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A N/A 11.0 ppb (11) N/A N/A 3.9 μg/m3 (17) 17.0