ID: 1564

AQSQID: 530090013

Site Name: Cheeka Peak

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

Updated: Jan. 28, 2022, 10:36 a.m.

Location: Neah Bay (98357), WA

Reporting: True, Located: True

Current AQI: 31.0

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
Jan. 28, 2022, 10 a.m. N/A 0.1 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.1 ppb (2) N/A 2.4 μg/m3 (10) 30.0
 
Jan. 28, 2022, 9 a.m. N/A 0.1 ppb (1) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 31.0
 
Jan. 28, 2022, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 33.0
 
Jan. 28, 2022, 7 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 34.0
 
Jan. 28, 2022, 6 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 36.0
 
Jan. 28, 2022, 5 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 2.1 μg/m3 (9) 37.0
 
Jan. 28, 2022, 4 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 37.0
 
Jan. 28, 2022, 3 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 36.0
 
Jan. 28, 2022, 2 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 36.0
 
Jan. 28, 2022, 1 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 36.0
 
Jan. 28, 2022, midnight N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 36.0
 
Jan. 27, 2022, 11 p.m. N/A 0.1 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 35.0
 
Jan. 27, 2022, 10 p.m. N/A 0.1 ppb (1) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 34.0
 
Jan. 27, 2022, 9 p.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 33.0
 
Jan. 27, 2022, 8 p.m. N/A 0.2 ppb (1) 2.3 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 28.0
 
Jan. 27, 2022, 7 p.m. N/A 0.2 ppb (1) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 29.0
 
Jan. 27, 2022, 6 p.m. N/A 0.1 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 1.8 μg/m3 (8) 30.0
 
Jan. 27, 2022, 5 p.m. N/A 0.0 ppb (0) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 29.0
 
Jan. 27, 2022, 4 p.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 1.9 μg/m3 (8) 30.0
 
Jan. 27, 2022, 3 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 1.8 μg/m3 (8) 30.0
 
Jan. 27, 2022, 2 p.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 1.8 μg/m3 (8) 29.0
 
Jan. 27, 2022, 1 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 1.7 μg/m3 (8) 28.0
 
Jan. 27, 2022, noon N/A -0.1 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 28.0
 
Jan. 27, 2022, 11 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 1.7 μg/m3 (8) 29.0
 
Jan. 27, 2022, 10 a.m. N/A -0.1 ppb (0) 1.0 ppb (1) N/A N/A N/A 35.0 ppb (33) 0.09 ppb (2) N/A 1.4 μg/m3 (6) 33.0
 
Jan. 27, 2022, 9 a.m. N/A -0.1 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) N/A 1.4 μg/m3 (6) 34.0
 
Jan. 27, 2022, 8 a.m. N/A -0.1 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.09 ppb (2) N/A 1.1 μg/m3 (5) 37.0
 
Jan. 27, 2022, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.09 ppb (2) N/A 0.9 μg/m3 (4) 39.0
 
Jan. 27, 2022, 6 a.m. N/A -0.1 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.1 ppb (2) N/A 1.1 μg/m3 (5) 38.0
 
Jan. 27, 2022, 5 a.m. N/A -0.1 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 1.2 μg/m3 (5) 38.0
 
Jan. 27, 2022, 4 a.m. N/A -0.1 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 1.1 μg/m3 (5) 38.0
 
Jan. 27, 2022, 3 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 37.0
 
Jan. 27, 2022, 2 a.m. N/A -0.1 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (2) N/A 0.9 μg/m3 (4) 4.0
 
Jan. 27, 2022, 1 a.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 0.9 μg/m3 (4) 38.0
 
Jan. 27, 2022, midnight N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.09 ppb (2) N/A 0.9 μg/m3 (4) 38.0
 
Jan. 26, 2022, 11 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.09 ppb (2) N/A 1.1 μg/m3 (5) 36.0
 
Jan. 26, 2022, 10 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 34.0
 
Jan. 26, 2022, 9 p.m. N/A -0.3 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.07 ppb (2) N/A 1.4 μg/m3 (6) 32.0
 
Jan. 26, 2022, 8 p.m. N/A -0.3 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.07 ppb (2) N/A N/A 2.0
 
Jan. 26, 2022, 7 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 33.0
 
Jan. 26, 2022, 6 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 32.0
 
Jan. 26, 2022, 5 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 33.0
 
Jan. 26, 2022, 4 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) N/A 1.3 μg/m3 (6) 35.0
 
Jan. 26, 2022, 3 p.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) N/A 1.3 μg/m3 (6) 35.0
 
Jan. 26, 2022, 2 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 32.0
 
Jan. 26, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 1.9 μg/m3 (8) 32.0
 
Jan. 26, 2022, noon N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 2.2 μg/m3 (10) 31.0
 
Jan. 26, 2022, 11 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 33.0
 
Jan. 26, 2022, 10 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) N/A 1.6 μg/m3 (7) 35.0
 
Jan. 26, 2022, 9 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.1 ppb (2) N/A 2.1 μg/m3 (9) 33.0
 
Jan. 26, 2022, 8 a.m. N/A 0.1 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
Jan. 26, 2022, 7 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 41.0
 
Jan. 26, 2022, 6 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 37.0
 
Jan. 26, 2022, 5 a.m. N/A 0.1 ppb (1) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) N/A N/A 1.3 μg/m3 (6) 36.0
 
Jan. 26, 2022, 4 a.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) N/A 1.3 μg/m3 (6) 35.0
 
Jan. 26, 2022, 3 a.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 38.0
 
Jan. 26, 2022, 2 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 40.0
 
Jan. 26, 2022, 1 a.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 39.0
 
Jan. 26, 2022, midnight N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 36.0
 
Jan. 25, 2022, 11 p.m. N/A 0.3 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.11 ppb (2) N/A 2.1 μg/m3 (9) 25.0
 
Jan. 25, 2022, 10 p.m. N/A 0.2 ppb (1) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 1.7 μg/m3 (8) 26.0
 
Jan. 25, 2022, 9 p.m. N/A 0.1 ppb (1) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 34.0
 
Jan. 25, 2022, 8 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.09 ppb (2) N/A 1.1 μg/m3 (5) 35.0
 
Jan. 25, 2022, 7 p.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 1.1 μg/m3 (5) 35.0
 
Jan. 25, 2022, 6 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 37.0
 
Jan. 25, 2022, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 36.0
 
Jan. 25, 2022, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.4 μg/m3 (6) 34.0
 
Jan. 25, 2022, 3 p.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) N/A 1.7 μg/m3 (8) 31.0
 
Jan. 25, 2022, 2 p.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) N/A 1.6 μg/m3 (7) 31.0
 
Jan. 25, 2022, 1 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.11 ppb (2) N/A 1.8 μg/m3 (8) 29.0
 
Jan. 25, 2022, noon N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.11 ppb (2) N/A 2.3 μg/m3 (10) 24.0
 
Jan. 25, 2022, 11 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) N/A 2.8 μg/m3 (12) 22.0
 
Jan. 25, 2022, 10 a.m. N/A 0.0 ppb (0) 1.8 ppb (2) N/A N/A N/A 23.0 ppb (22) 0.11 ppb (2) N/A 2.9 μg/m3 (13) 22.0
 
Jan. 25, 2022, 9 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) N/A 2.3 μg/m3 (10) 26.0
 
Jan. 25, 2022, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.11 ppb (2) N/A 1.4 μg/m3 (6) 31.0
 
Jan. 25, 2022, 7 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 1.7 μg/m3 (8) 28.0
 
Jan. 25, 2022, 6 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 1.8 μg/m3 (8) 28.0
 
Jan. 25, 2022, 5 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 1.8 μg/m3 (8) 29.0
 
Jan. 25, 2022, 4 a.m. N/A 0.0 ppb (0) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) N/A 2.2 μg/m3 (10) 27.0
 
Jan. 25, 2022, 3 a.m. N/A 0.0 ppb (0) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 2.1 μg/m3 (9) 28.0
 
Jan. 25, 2022, 2 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) N/A 0.09 ppb (2) N/A 1.9 μg/m3 (8) 8.0
 
Jan. 25, 2022, 1 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) N/A 1.9 μg/m3 (8) 27.0
 
Jan. 25, 2022, midnight N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) N/A 2.0 μg/m3 (9) 25.0
 
Jan. 24, 2022, 11 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.08 ppb (2) N/A 1.7 μg/m3 (8) 27.0
 
Jan. 24, 2022, 10 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) N/A 1.7 μg/m3 (8) 27.0
 
Jan. 24, 2022, 9 p.m. N/A 0.1 ppb (1) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.08 ppb (2) N/A 1.8 μg/m3 (8) 29.0
 
Jan. 24, 2022, 8 p.m. N/A 0.2 ppb (1) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) N/A 2.7 μg/m3 (12) 22.0
 
Jan. 24, 2022, 7 p.m. N/A 0.3 ppb (1) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) N/A 1.9 μg/m3 (8) 17.0
 
Jan. 24, 2022, 6 p.m. N/A 0.3 ppb (1) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.09 ppb (2) N/A 1.6 μg/m3 (7) 17.0
 
Jan. 24, 2022, 5 p.m. N/A 0.3 ppb (1) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.09 ppb (2) N/A 2.0 μg/m3 (9) 18.0
 
Jan. 24, 2022, 4 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.09 ppb (2) N/A 2.0 μg/m3 (9) 23.0
 
Jan. 24, 2022, 3 p.m. N/A 0.1 ppb (1) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.08 ppb (2) N/A 1.9 μg/m3 (8) 24.0
 
Jan. 24, 2022, 2 p.m. N/A 0.1 ppb (1) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.09 ppb (2) N/A 2.0 μg/m3 (9) 25.0
 
Jan. 24, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 1.6 μg/m3 (7) 28.0
 
Jan. 24, 2022, noon N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 1.4 μg/m3 (6) 32.0
 
Jan. 24, 2022, 11 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A 1.1 μg/m3 (5) 38.0
 
Jan. 24, 2022, 10 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.08 ppb (2) N/A 1.2 μg/m3 (5) 36.0
 
Jan. 24, 2022, 9 a.m. N/A 0.0 ppb (0) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 1.5 μg/m3 (7) 30.0
 
Jan. 24, 2022, 8 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.08 ppb (2) N/A 1.2 μg/m3 (5) 37.0
 
Jan. 24, 2022, 7 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.08 ppb (2) N/A 0.9 μg/m3 (4) 41.0
 
Jan. 24, 2022, 6 a.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.08 ppb (2) N/A 0.8 μg/m3 (4) 42.0
 
Jan. 24, 2022, 5 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) N/A N/A 0.9 μg/m3 (4) 40.0
 
Jan. 24, 2022, 4 a.m. N/A 0.2 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 42.0 ppb (39) 0.08 ppb (2) N/A 0.9 μg/m3 (4) 39.0
 
Jan. 24, 2022, 3 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.08 ppb (2) N/A 0.9 μg/m3 (4) 40.0
 
Jan. 24, 2022, 2 a.m. N/A 0.1 ppb (1) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.08 ppb (2) N/A 0.8 μg/m3 (4) 44.0
 
Jan. 24, 2022, 1 a.m. N/A 0.1 ppb (1) 0.0 ppb (0) N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.07 ppb (2) N/A 0.7 μg/m3 (3) 45.0
 
Jan. 24, 2022, midnight N/A 0.2 ppb (1) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.07 ppb (2) N/A 0.8 μg/m3 (4) 44.0
 
Jan. 23, 2022, 11 p.m. N/A 0.1 ppb (1) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.07 ppb (2) N/A 1.1 μg/m3 (5) 41.0
 
Jan. 23, 2022, 10 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.08 ppb (2) N/A 0.9 μg/m3 (4) 38.0
 
Jan. 23, 2022, 9 p.m. N/A 0.2 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 44.0 ppb (41) 0.09 ppb (2) N/A 0.7 μg/m3 (3) 41.0
 
Jan. 23, 2022, 8 p.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.09 ppb (2) N/A 0.8 μg/m3 (4) 38.0
 
Jan. 23, 2022, 7 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 34.0
 
Jan. 23, 2022, 6 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.09 ppb (2) N/A 0.9 μg/m3 (4) 38.0
 
Jan. 23, 2022, 5 p.m. N/A 0.1 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.09 ppb (2) N/A 0.9 μg/m3 (4) 38.0
 
Jan. 23, 2022, 4 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.09 ppb (2) N/A 0.8 μg/m3 (4) 42.0
 
Jan. 23, 2022, 3 p.m. N/A 0.0 ppb (0) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.09 ppb (2) N/A 0.7 μg/m3 (3) 45.0
 
Jan. 23, 2022, 2 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 48.0 ppb (45) 0.09 ppb (2) N/A 0.7 μg/m3 (3) 45.0
 
Jan. 23, 2022, 1 p.m. N/A 0.0 ppb (0) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.09 ppb (2) N/A 0.8 μg/m3 (4) 44.0
 
Jan. 23, 2022, noon N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A N/A 40.0 ppb (38) 0.09 ppb (2) N/A 1.0 μg/m3 (5) 38.0
 
Jan. 23, 2022, 11 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A N/A 36.0 ppb (34) 0.09 ppb (2) N/A 1.1 μg/m3 (5) 34.0
 
Jan. 23, 2022, 10 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A N/A 35.0 ppb (33) 0.09 ppb (2) N/A 1.2 μg/m3 (5) 33.0
 
Jan. 23, 2022, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 32.0
 
Jan. 23, 2022, 8 a.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 28.0
 
Jan. 23, 2022, 7 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.1 ppb (2) N/A 1.2 μg/m3 (5) 34.0
 
Jan. 23, 2022, 6 a.m. N/A 0.0 ppb (0) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.1 ppb (2) N/A 1.0 μg/m3 (5) 35.0
 
Jan. 23, 2022, 5 a.m. N/A 0.0 ppb (0) 0.5 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 1.1 μg/m3 (5) 33.0
 
Jan. 23, 2022, 4 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.1 ppb (2) N/A 1.3 μg/m3 (6) 31.0
 
Jan. 23, 2022, 3 a.m. N/A 0.0 ppb (0) 1.0 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.1 ppb (2) N/A 1.6 μg/m3 (7) 29.0
 
Jan. 23, 2022, 2 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) N/A 0.1 ppb (2) N/A 1.8 μg/m3 (8) 8.0
 
Jan. 23, 2022, 1 a.m. N/A 0.0 ppb (0) 1.4 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 26.0
 
Jan. 23, 2022, midnight N/A 0.0 ppb (0) 1.5 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 26.0
 
Jan. 22, 2022, 11 p.m. N/A 0.1 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 28.0
 
Jan. 22, 2022, 10 p.m. N/A 0.2 ppb (1) 1.7 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 2.0 μg/m3 (9) 28.0
 
Jan. 22, 2022, 9 p.m. N/A 0.2 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 28.0
 
Jan. 22, 2022, 8 p.m. N/A 0.4 ppb (1) 2.1 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 1.9 μg/m3 (8) 25.0
 
Jan. 22, 2022, 7 p.m. N/A 0.3 ppb (1) 2.0 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.1 ppb (2) N/A 0.8 μg/m3 (4) 24.0
 
Jan. 22, 2022, 6 p.m. N/A 0.2 ppb (1) 1.6 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.1 ppb (2) N/A 0.8 μg/m3 (4) 25.0
 
Jan. 22, 2022, 5 p.m. N/A 0.1 ppb (1) 1.3 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.09 ppb (2) N/A 0.7 μg/m3 (3) 25.0
 
Jan. 22, 2022, 4 p.m. N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.09 ppb (2) N/A 0.6 μg/m3 (3) 26.0
 
Jan. 22, 2022, 3 p.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 0.9 μg/m3 (4) 27.0
 
Jan. 22, 2022, 2 p.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 0.8 μg/m3 (4) 28.0
 
Jan. 22, 2022, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.5 μg/m3 (3) 26.0
 
Jan. 22, 2022, noon N/A 0.0 ppb (0) 1.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 0.5 μg/m3 (3) 26.0
 
Jan. 22, 2022, 11 a.m. N/A 0.0 ppb (0) 1.2 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.1 ppb (2) N/A 0.6 μg/m3 (3) 27.0
 
Jan. 22, 2022, 10 a.m. N/A 0.0 ppb (0) 0.8 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.09 ppb (2) N/A 0.5 μg/m3 (3) 26.0
 
Jan. 22, 2022, 9 a.m. N/A 0.0 ppb (0) 0.7 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 27.0
 
Jan. 22, 2022, 8 a.m. N/A 0.0 ppb (0) 0.9 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.1 ppb (2) N/A 0.5 μg/m3 (3) 26.0
 
Jan. 22, 2022, 7 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 28.0
 
Jan. 22, 2022, 6 a.m. N/A 0.0 ppb (0) 0.6 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 29.0
 
Jan. 22, 2022, 5 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
Jan. 22, 2022, 4 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 29.0
 
Jan. 22, 2022, 3 a.m. N/A 0.1 ppb (1) 0.1 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 30.0
 
Jan. 22, 2022, 2 a.m. N/A 0.1 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.09 ppb (2) N/A 0.5 μg/m3 (3) 31.0
 
Jan. 22, 2022, 1 a.m. N/A 0.2 ppb (1) 0.2 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 29.0
 
Jan. 22, 2022, midnight N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 30.0
 
Jan. 21, 2022, 11 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 32.0
 
Jan. 21, 2022, 10 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 33.0
 
Jan. 21, 2022, 9 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 21, 2022, 8 p.m. N/A 0.2 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 33.0
 
Jan. 21, 2022, 7 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 0.5 μg/m3 (3) 32.0
 
Jan. 21, 2022, 6 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.08 ppb (2) N/A 0.0 μg/m3 (0) 32.0
 
Jan. 21, 2022, 5 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 32.0
 
Jan. 21, 2022, 4 p.m. N/A 0.2 ppb (1) 0.4 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.08 ppb (2) N/A 0.0 μg/m3 (0) 33.0
 
Jan. 21, 2022, 3 p.m. N/A 0.2 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.08 ppb (2) N/A 0.0 μg/m3 (0) 33.0
 
Jan. 21, 2022, 2 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.08 ppb (2) N/A 0.5 μg/m3 (3) 35.0
 
Jan. 21, 2022, 1 p.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.08 ppb (2) N/A 0.0 μg/m3 (0) 34.0
 
Jan. 21, 2022, noon N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 36.0
 
Jan. 21, 2022, 11 a.m. N/A 0.1 ppb (1) 0.3 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.09 ppb (2) N/A 0.0 μg/m3 (0) 33.0