AQSQID: 530570011

Site Name: Anacortes-202 Ave (So-Aqs)

Location: Anacortes (Old Town), WA

Reporting: True, Located: True

Current AQI: 22.0

Anacortes (Old Town) WA, US: 48.52059, -122.61428

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 26, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A -1.0 μg/m3 (0) 20.0
 
Jan. 26, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 26, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 25, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 25, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Jan. 25, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Jan. 25, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Jan. 25, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Jan. 25, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Jan. 25, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 25, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 25, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Jan. 25, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A -1.0 μg/m3 (0) 19.0
 
Jan. 25, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 25, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 25, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A -2.0 μg/m3 (0) N/A
Jan. 25, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A -2.0 μg/m3 (0) 22.0
 
Jan. 25, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Jan. 25, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 25, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 25, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 25, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 25, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Jan. 25, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 25, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 25, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 24, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Jan. 24, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
Jan. 24, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 1.0 μg/m3 (4) 23.0
 
Jan. 24, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 24, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 24, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
Jan. 24, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Jan. 24, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A -1.0 μg/m3 (0) 25.0
 
Jan. 24, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A -2.0 μg/m3 (0) 27.0
 
Jan. 24, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Jan. 24, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0
 
Jan. 24, 2020, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A -2.0 μg/m3 (0) 24.0
 
Jan. 24, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A -2.0 μg/m3 (0) 25.0
 
Jan. 24, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 24, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 24, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Jan. 24, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 24, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 3.0 μg/m3 (12) 29.0
 
Jan. 24, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
Jan. 24, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 24, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 24, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 24, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Jan. 24, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
Jan. 23, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Jan. 23, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
Jan. 23, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 23, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
Jan. 23, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 23, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 23, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 23, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Jan. 23, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
Jan. 23, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 23, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A -1.0 μg/m3 (0) 23.0
 
Jan. 23, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A -1.0 μg/m3 (0) 24.0
 
Jan. 23, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A -2.0 μg/m3 (0) 24.0
 
Jan. 23, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 23, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 23, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 23, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 23, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 23, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Jan. 23, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
Jan. 23, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 2.0 μg/m3 (8) 25.0
 
Jan. 23, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Jan. 23, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
Jan. 23, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 22, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A -1.0 μg/m3 (0) 23.0
 
Jan. 22, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -1.0 μg/m3 (0) 26.0
 
Jan. 22, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
Jan. 22, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 3.0 μg/m3 (12) 26.0
 
Jan. 22, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Jan. 22, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 22, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.0 μg/m3 (17) 23.0
 
Jan. 22, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 4.0 μg/m3 (17) 20.0
 
Jan. 22, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 22, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
Jan. 22, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
Jan. 22, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
Jan. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
Jan. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 4.0 μg/m3 (17) 28.0
 
Jan. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
Jan. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
Jan. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Jan. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
Jan. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 5.0 μg/m3 (21) 28.0
 
Jan. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 6.0 μg/m3 (25) 27.0
 
Jan. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 22, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 0.0 μg/m3 (0) 28.0
 
Jan. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A -1.0 μg/m3 (0) 28.0
 
Jan. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 0.0 μg/m3 (0) N/A
Jan. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 2.0 μg/m3 (8) 28.0
 
Jan. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 37.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
Jan. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 2.0 μg/m3 (8) 26.0
 
Jan. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
Jan. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.0 μg/m3 (8) 21.0
 
Jan. 21, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 1.0 μg/m3 (4) 19.0
 
Jan. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Jan. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Jan. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A -1.0 μg/m3 (0) 15.0
 
Jan. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 0.0 μg/m3 (0) 14.0
 
Jan. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 2.0 μg/m3 (8) 12.0
 
Jan. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 1.0 μg/m3 (4) 10.0
 
Jan. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (12) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 1.0 μg/m3 (4) 18.0
 
Jan. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 3.0 μg/m3 (12) 16.0
 
Jan. 21, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (14) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.0 μg/m3 (8) 16.0
 
Jan. 20, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Jan. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
Jan. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 2.0 μg/m3 (8) 17.0
 
Jan. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Jan. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 0.0 μg/m3 (0) 26.0
 
Jan. 20, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 0.0 μg/m3 (0) 20.0
 
Jan. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 1.0 μg/m3 (4) 4.0
 
Jan. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 1.0 μg/m3 (4) 15.0
 
Jan. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Jan. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Jan. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 0.0 μg/m3 (0) 17.0
 
Jan. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
Jan. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 0.0 μg/m3 (0) 21.0
 
Jan. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 0.0 μg/m3 (0) 22.0
 
Jan. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Jan. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 20, 2020, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
Jan. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -1.0 μg/m3 (0) 21.0
 
Jan. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Jan. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 3.0 μg/m3 (12) 20.0
 
Jan. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 3.0 μg/m3 (12) 17.0
 
Jan. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Jan. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
Jan. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Jan. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 1.0 μg/m3 (4) 21.0
 
Jan. 19, 2020, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 1.0 μg/m3 (4) 20.0
 
Jan. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
Jan. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
Jan. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Jan. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Jan. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.0 μg/m3 (12) 24.0
 
Jan. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 1.0 μg/m3 (4) 24.0
 
Jan. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 3.0 μg/m3 (12) 23.0
 
Jan. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 1.0 μg/m3 (4) 22.0