ID: 1564

AQSQID: 530090013

Site Name: Cheeka Peak

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

Updated: Sept. 23, 2020, 2:39 p.m.

Location: Neah Bay (98357), WA

Reporting: True, Located: True

Current AQI: 22.0

Neah Bay (98357) WA, US: 48.2867, -124.6203

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 22.0
 
Sept. 23, 2020, noon N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 20.0
 
Sept. 23, 2020, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 20.0
 
Sept. 23, 2020, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A 28.0 ppb (22) 0.11 ppb (1) N/A 1.1 μg/m3 (5) 22.0
 
Sept. 23, 2020, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A 1.7 μg/m3 (7) 22.0
 
Sept. 23, 2020, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 1.9 μg/m3 (8) 22.0
 
Sept. 23, 2020, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.1 ppb (1) N/A 1.7 μg/m3 (7) 22.0
 
Sept. 23, 2020, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.9 μg/m3 (8) 22.0
 
Sept. 23, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 2.3 μg/m3 (10) 21.0
 
Sept. 23, 2020, 4 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 20.0
 
Sept. 23, 2020, 3 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 22.0
 
Sept. 23, 2020, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
Sept. 23, 2020, 1 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.6 μg/m3 (11) 22.0
 
Sept. 23, 2020, midnight N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 2.6 μg/m3 (11) 23.0
 
Sept. 22, 2020, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 2.6 μg/m3 (11) 23.0
 
Sept. 22, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 2.7 μg/m3 (11) 22.0
 
Sept. 22, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 2.6 μg/m3 (11) 22.0
 
Sept. 22, 2020, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 2.4 μg/m3 (10) 19.0
 
Sept. 22, 2020, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 18.0
 
Sept. 22, 2020, 6 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 2.4 μg/m3 (10) 18.0
 
Sept. 22, 2020, 5 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 2.3 μg/m3 (10) 19.0
 
Sept. 22, 2020, 4 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 1.8 μg/m3 (8) 20.0
 
Sept. 22, 2020, 3 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.11 ppb (1) N/A 1.2 μg/m3 (5) 22.0
 
Sept. 22, 2020, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.11 ppb (1) N/A 1.0 μg/m3 (4) 22.0
 
Sept. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 1.3 μg/m3 (5) 23.0
 
Sept. 22, 2020, noon N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.11 ppb (1) N/A 1.3 μg/m3 (5) 23.0
 
Sept. 22, 2020, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 22.0
 
Sept. 22, 2020, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A 26.0 ppb (20) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 20.0
 
Sept. 22, 2020, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 19.0
 
Sept. 22, 2020, 8 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 20.0
 
Sept. 22, 2020, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) N/A 1.0 μg/m3 (4) 20.0
 
Sept. 22, 2020, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.9 μg/m3 (4) 18.0
 
Sept. 22, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.9 μg/m3 (4) 18.0
 
Sept. 22, 2020, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 18.0
 
Sept. 22, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 18.0
 
Sept. 22, 2020, 2 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (1) N/A 0.9 μg/m3 (4) 4.0
 
Sept. 22, 2020, 1 a.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 19.0
 
Sept. 22, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 22.0
 
Sept. 21, 2020, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.22 ppb (2) N/A 0.9 μg/m3 (4) 17.0
 
Sept. 21, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.1 μg/m3 (5) 19.0
 
Sept. 21, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
Sept. 21, 2020, 8 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 4.3 μg/m3 (18) 18.0
 
Sept. 21, 2020, 7 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A 22.0 ppb (17) 0.26 ppb (3) N/A 3.9 μg/m3 (16) 17.0
 
Sept. 21, 2020, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A N/A 0.24 ppb (3) N/A 3.4 μg/m3 (14) 14.0
 
Sept. 21, 2020, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.24 ppb (3) N/A 3.3 μg/m3 (14) 14.0
 
Sept. 21, 2020, 4 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.24 ppb (3) N/A 3.1 μg/m3 (13) 17.0
 
Sept. 21, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.23 ppb (3) N/A 3.2 μg/m3 (13) 18.0
 
Sept. 21, 2020, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.24 ppb (3) N/A 3.0 μg/m3 (12) 16.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) N/A 3.1 μg/m3 (13) 18.0
 
Sept. 21, 2020, noon N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) N/A 2.9 μg/m3 (12) 15.0
 
Sept. 21, 2020, 11 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.24 ppb (3) N/A 2.7 μg/m3 (11) 18.0
 
Sept. 21, 2020, 10 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 25.0 ppb (19) 0.24 ppb (3) N/A 2.6 μg/m3 (11) 19.0
 
Sept. 21, 2020, 9 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.23 ppb (3) N/A 2.6 μg/m3 (11) 21.0
 
Sept. 21, 2020, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 2.1 μg/m3 (9) 25.0
 
Sept. 21, 2020, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) 0.19 ppb (2) N/A 1.9 μg/m3 (8) 27.0
 
Sept. 21, 2020, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Sept. 21, 2020, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.2 μg/m3 (9) 24.0
 
Sept. 21, 2020, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 34.0 ppb (26) 0.19 ppb (2) N/A 2.2 μg/m3 (9) 26.0
 
Sept. 21, 2020, 3 a.m. N/A N/A 0.0 ppb (0) N/A N/A 0.0 ppb (0) 32.0 ppb (25) 0.2 ppb (2) N/A 2.7 μg/m3 (11) 25.0
 
Sept. 21, 2020, 2 a.m. N/A N/A 0.1 ppb (0) N/A N/A 0.0 ppb (0) 29.0 ppb (22) 0.21 ppb (2) N/A 2.8 μg/m3 (12) 22.0
 
Sept. 21, 2020, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.22 ppb (2) N/A 2.5 μg/m3 (10) 18.0
 
Sept. 21, 2020, midnight N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A 2.1 μg/m3 (9) 15.0
 
Sept. 20, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) N/A 1.7 μg/m3 (7) 16.0
 
Sept. 20, 2020, 10 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) N/A 2.3 μg/m3 (10) 14.0
 
Sept. 20, 2020, 9 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A 2.7 μg/m3 (11) 15.0
 
Sept. 20, 2020, 8 p.m. N/A 0.1 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) N/A 2.5 μg/m3 (10) 18.0
 
Sept. 20, 2020, 7 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 2.8 μg/m3 (12) 16.0
 
Sept. 20, 2020, 6 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.21 ppb (2) N/A 2.7 μg/m3 (11) 15.0
 
Sept. 20, 2020, 5 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.2 ppb (2) N/A 2.0 μg/m3 (8) 15.0
 
Sept. 20, 2020, 4 p.m. N/A 0.1 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.21 ppb (2) N/A 1.9 μg/m3 (8) 18.0
 
Sept. 20, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.22 ppb (2) N/A 1.1 μg/m3 (5) 19.0
 
Sept. 20, 2020, 2 p.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.22 ppb (2) N/A 2.2 μg/m3 (9) 23.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.22 ppb (2) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, noon N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 25.0 ppb (19) 0.21 ppb (2) N/A 1.0 μg/m3 (4) 19.0
 
Sept. 20, 2020, 11 a.m. N/A 0.1 ppb (0) 0.1 ppb (0) N/A N/A N/A 18.0 ppb (14) 0.21 ppb (2) N/A 0.9 μg/m3 (4) 14.0
 
Sept. 20, 2020, 10 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A N/A 28.0 ppb (22) 0.23 ppb (3) N/A 1.1 μg/m3 (5) 22.0
 
Sept. 20, 2020, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.21 ppb (2) N/A 0.9 μg/m3 (4) 16.0
 
Sept. 20, 2020, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.2 ppb (2) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 20, 2020, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 20, 2020, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.9 μg/m3 (4) 14.0
 
Sept. 20, 2020, 5 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.9 μg/m3 (4) 17.0
 
Sept. 20, 2020, 4 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.19 ppb (2) N/A 0.9 μg/m3 (4) 16.0
 
Sept. 20, 2020, 3 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.18 ppb (2) N/A 0.8 μg/m3 (3) 16.0
 
Sept. 20, 2020, 2 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) N/A 0.19 ppb (2) N/A 1.0 μg/m3 (4) 4.0
 
Sept. 20, 2020, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.19 ppb (2) N/A 1.2 μg/m3 (5) 18.0
 
Sept. 20, 2020, midnight N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 19, 2020, 11 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.18 ppb (2) N/A 0.9 μg/m3 (4) 18.0
 
Sept. 19, 2020, 10 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.2 ppb (2) N/A 1.3 μg/m3 (5) 18.0
 
Sept. 19, 2020, 9 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.22 ppb (2) N/A 1.5 μg/m3 (6) 20.0
 
Sept. 19, 2020, 8 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 18.0
 
Sept. 19, 2020, 7 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) N/A 0.9 μg/m3 (4) 17.0
 
Sept. 19, 2020, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 17.0
 
Sept. 19, 2020, 5 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.23 ppb (3) N/A 0.9 μg/m3 (4) 16.0
 
Sept. 19, 2020, 4 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.24 ppb (3) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, 2 p.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.22 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.19 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, noon N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 18.0
 
Sept. 19, 2020, 11 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 0.9 μg/m3 (4) 20.0
 
Sept. 19, 2020, 10 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A N/A 22.0 ppb (17) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 17.0
 
Sept. 19, 2020, 9 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 1.2 μg/m3 (5) 17.0
 
Sept. 19, 2020, 8 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.16 ppb (2) N/A 1.6 μg/m3 (7) 18.0
 
Sept. 19, 2020, 7 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 1.4 μg/m3 (6) 17.0
 
Sept. 19, 2020, 6 a.m. N/A 0.0 ppb (0) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 0.9 μg/m3 (4) 16.0
 
Sept. 19, 2020, 5 a.m. N/A 0.0 ppb (0) 0.1 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 0.9 μg/m3 (4) 16.0
 
Sept. 19, 2020, 4 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 17.0
 
Sept. 19, 2020, 3 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 22.0 ppb (17) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 17.0
 
Sept. 19, 2020, 2 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.18 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, 1 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.19 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 19, 2020, midnight N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.21 ppb (2) N/A 0.9 μg/m3 (4) 15.0
 
Sept. 18, 2020, 11 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.23 ppb (3) N/A 1.0 μg/m3 (4) 15.0
 
Sept. 18, 2020, 10 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.25 ppb (3) N/A 5.3 μg/m3 (22) 22.0
 
Sept. 18, 2020, 9 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.23 ppb (3) N/A 4.1 μg/m3 (17) 17.0
 
Sept. 18, 2020, 8 p.m. N/A 0.2 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.21 ppb (2) N/A 1.9 μg/m3 (8) 12.0
 
Sept. 18, 2020, 7 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.2 ppb (2) N/A 3.2 μg/m3 (13) 13.0
 
Sept. 18, 2020, 6 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.18 ppb (2) N/A 0.9 μg/m3 (4) 12.0
 
Sept. 18, 2020, 5 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A 0.9 μg/m3 (4) 14.0
 
Sept. 18, 2020, 4 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.2 ppb (2) N/A 1.7 μg/m3 (7) 10.0
 
Sept. 18, 2020, 3 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.2 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
Sept. 18, 2020, 2 p.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.2 ppb (2) N/A 7.6 μg/m3 (32) 32.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.2 ppb (2) N/A 14.5 μg/m3 (55) 55.0
 
Sept. 18, 2020, noon N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.26 ppb (3) N/A 29.8 μg/m3 (88) 88.0
 
Sept. 18, 2020, 11 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 25.0 ppb (19) 0.37 ppb (4) N/A 45.1 μg/m3 (124) 124.0
 
Sept. 18, 2020, 10 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A N/A 19.0 ppb (15) 0.37 ppb (4) N/A 44.7 μg/m3 (123) 123.0
 
Sept. 18, 2020, 9 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.38 ppb (4) N/A 46.4 μg/m3 (127) 127.0
 
Sept. 18, 2020, 8 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 16.0 ppb (12) 0.36 ppb (4) N/A 39.2 μg/m3 (109) 109.0
 
Sept. 18, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.22 ppb (2) N/A 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2020, 6 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 32.9 μg/m3 (94) 94.0
 
Sept. 18, 2020, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 53.9 μg/m3 (146) 146.0
 
Sept. 18, 2020, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.48 ppb (5) N/A 59.5 μg/m3 (152) 152.0
 
Sept. 18, 2020, 3 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.48 ppb (5) N/A 57.5 μg/m3 (151) 151.0
 
Sept. 18, 2020, 2 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.46 ppb (5) N/A 52.8 μg/m3 (143) 143.0
 
Sept. 18, 2020, 1 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) 0.43 ppb (5) N/A 48.1 μg/m3 (132) 132.0
 
Sept. 18, 2020, midnight N/A 0.1 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 8.0 ppb (6) 0.3 ppb (3) N/A 24.5 μg/m3 (77) 77.0
 
Sept. 17, 2020, 11 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.25 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 17, 2020, 10 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.28 ppb (3) N/A 20.9 μg/m3 (69) 69.0
 
Sept. 17, 2020, 9 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 9.0 ppb (7) 0.31 ppb (3) N/A 27.4 μg/m3 (83) 83.0
 
Sept. 17, 2020, 8 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 11.0 ppb (8) 0.36 ppb (4) N/A 33.7 μg/m3 (96) 96.0
 
Sept. 17, 2020, 7 p.m. N/A 0.1 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.36 ppb (4) N/A 33.9 μg/m3 (97) 97.0
 
Sept. 17, 2020, 6 p.m. N/A 0.1 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 36.0 μg/m3 (101) 101.0
 
Sept. 17, 2020, 5 p.m. N/A 0.1 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 15.0 ppb (12) N/A N/A 20.2 μg/m3 (67) 67.0
 
Sept. 17, 2020, 4 p.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 18.0 ppb (14) 0.17 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
Sept. 17, 2020, 3 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 19.0 ppb (15) 0.15 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 2 p.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.15 ppb (2) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.15 ppb (2) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 17, 2020, noon N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 10.0 ppb (8) 0.15 ppb (2) N/A 1.6 μg/m3 (7) 8.0
 
Sept. 17, 2020, 11 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) N/A 1.7 μg/m3 (7) 10.0
 
Sept. 17, 2020, 10 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A N/A 13.0 ppb (10) 0.13 ppb (1) N/A 1.1 μg/m3 (5) 10.0
 
Sept. 17, 2020, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (0) N/A N/A 0.0 ppb (0) 12.0 ppb (9) 0.17 ppb (2) N/A 1.0 μg/m3 (4) 9.0
 
Sept. 17, 2020, 8 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.17 ppb (2) N/A 0.9 μg/m3 (4) 10.0
 
Sept. 17, 2020, 7 a.m. N/A 0.0 ppb (0) 0.2 ppb (0) N/A N/A 0.0 ppb (0) 13.0 ppb (10) 0.16 ppb (2) N/A 0.9 μg/m3 (4) 10.0
 
Sept. 17, 2020, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (0) N/A N/A 0.0 ppb (0) 10.0 ppb (8) N/A N/A 1.0 μg/m3 (4) 8.0
 
Sept. 17, 2020, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (0) N/A N/A 0.0 ppb (0) 11.0 ppb (8) N/A N/A 1.1 μg/m3 (5) 8.0
 
Sept. 17, 2020, 4 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.59 ppb (7) N/A 4.2 μg/m3 (18) 18.0
 
Sept. 17, 2020, 3 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 17.0 ppb (13) 0.62 ppb (7) N/A 18.6 μg/m3 (64) 64.0
 
Sept. 17, 2020, 2 a.m. N/A 0.0 ppb (0) 1.3 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (16) 0.76 ppb (8) N/A 63.3 μg/m3 (154) 154.0
 
Sept. 17, 2020, 1 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (15) 0.66 ppb (7) N/A 88.7 μg/m3 (167) 167.0
 
Sept. 17, 2020, midnight N/A 0.0 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.59 ppb (7) N/A 84.9 μg/m3 (165) 165.0
 
Sept. 16, 2020, 11 p.m. N/A 0.1 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 80.9 μg/m3 (163) 163.0
 
Sept. 16, 2020, 10 p.m. N/A 0.1 ppb (0) 1.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.52 ppb (6) N/A 76.6 μg/m3 (161) 161.0
 
Sept. 16, 2020, 9 p.m. N/A 0.0 ppb (0) 1.6 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (18) 0.52 ppb (6) N/A 75.8 μg/m3 (161) 161.0
 
Sept. 16, 2020, 8 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.53 ppb (6) N/A 75.5 μg/m3 (161) 161.0
 
Sept. 16, 2020, 7 p.m. N/A 0.1 ppb (0) 2.2 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (21) 0.53 ppb (6) N/A 77.9 μg/m3 (162) 162.0
 
Sept. 16, 2020, 6 p.m. N/A 0.0 ppb (0) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (20) 0.51 ppb (6) N/A 77.1 μg/m3 (161) 161.0
 
Sept. 16, 2020, 5 p.m. N/A 0.1 ppb (0) 1.7 ppb (2) N/A N/A N/A 21.0 ppb (16) 0.54 ppb (6) N/A 75.7 μg/m3 (161) 161.0
 
Sept. 16, 2020, 4 p.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A N/A 22.0 ppb (17) 0.53 ppb (6) N/A 77.1 μg/m3 (161) 161.0
 
Sept. 16, 2020, 3 p.m. N/A 0.0 ppb (0) 1.9 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (18) 0.5 ppb (6) N/A 74.0 μg/m3 (160) 160.0
 
Sept. 16, 2020, 2 p.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (23) 0.5 ppb (6) N/A 79.9 μg/m3 (163) 163.0