ID: 2152

AQSQID: 530570011

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

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

Updated: April 18, 2021, 5:43 a.m.

Location: Anacortes (Old Town), WA

Reporting: True, Located: True

Current AQI: 38.0

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
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 13.0 ppb (13) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 48.0 ppb (45) N/A N/A 7.0 μg/m3 (30) 45.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 31.0 ppb (29) N/A N/A 13.0 μg/m3 (53) 53.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 29.0 ppb (27) N/A N/A 16.0 μg/m3 (60) 60.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) 24.0 ppb (23) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 10.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 22.0 ppb (21) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 18.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 16.0 ppb (15) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 19.0 ppb (18) N/A N/A 14.0 μg/m3 (55) 55.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 15.0 ppb (14) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 30.0 ppb (28) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) N/A N/A 4.0 μg/m3 (17) 26.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 6.0 μg/m3 (25) 44.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 24.0 μg/m3 (77) 77.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 3.0 μg/m3 (13) 27.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 6.0 μg/m3 (25) 31.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 6.0 μg/m3 (25) 33.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 28.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 23.0 ppb (22) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (10) N/A N/A 12.0 μg/m3 (50) 50.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 10.0 ppb (10) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 7.0 ppb (7) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) 14.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 25.0 ppb (24) N/A N/A 11.0 μg/m3 (46) 46.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 29.0 ppb (27) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 27.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 37.0 ppb (35) N/A N/A 8.0 μg/m3 (34) 35.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) N/A N/A 6.0 μg/m3 (25) 41.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 40.0 ppb (38) N/A N/A 0.0 μg/m3 (0) 38.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 37.0 ppb (35) N/A N/A 3.0 μg/m3 (13) 35.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 31.0 ppb (29) N/A N/A 6.0 μg/m3 (25) 29.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 27.0 ppb (25) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 19.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 8.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 17.0 ppb (16) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 47.0 ppb (44) N/A N/A 5.0 μg/m3 (21) 44.0
 
April 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 6.0 μg/m3 (25) 43.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A 4.0 ppb (6) 42.0 ppb (39) N/A N/A -1.0 μg/m3 (0) 39.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 48.0 ppb (45) N/A N/A 3.0 μg/m3 (13) 45.0
 
April 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
April 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 1.0 μg/m3 (5) 38.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 39.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
April 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
April 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 25.0 ppb (24) N/A N/A 5.0 μg/m3 (21) 24.0
 
April 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 15.0 ppb (14) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) 16.0 ppb (15) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 32.0 ppb (30) N/A N/A 3.0 μg/m3 (13) 30.0
 
April 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
April 13, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 13, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
April 13, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
April 13, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
April 13, 2021, 3 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
April 13, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
April 13, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
April 13, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
April 12, 2021, 11 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
April 12, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 38.0 ppb (36) N/A N/A 4.0 μg/m3 (17) 36.0
 
April 12, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
April 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 2.0 μg/m3 (9) 28.0
 
April 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
April 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.0 μg/m3 (13) 29.0
 
April 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 3.0 μg/m3 (13) 28.0
 
April 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 4.0 μg/m3 (17) 25.0
 
April 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 7.0 μg/m3 (30) 30.0
 
April 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 12, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 4.0 μg/m3 (17) 17.0
 
April 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (5) 5.0
 
April 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 1.0 μg/m3 (5) 20.0
 
April 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
April 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
April 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.0 μg/m3 (13) 26.0
 
April 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
April 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 6.0 μg/m3 (25) 32.0
 
April 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 5.0 μg/m3 (21) 33.0
 
April 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
April 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
April 12, 2021, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
April 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -1.0 μg/m3 (0) 38.0
 
April 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
April 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
April 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
April 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.0 μg/m3 (13) 33.0
 
April 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.0 μg/m3 (21) 27.0
 
April 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
April 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.0 μg/m3 (5) 23.0
 
April 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.0 μg/m3 (9) 24.0
 
April 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.0 μg/m3 (9) 21.0
 
April 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.0 μg/m3 (9) 20.0
 
April 11, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
April 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.0 μg/m3 (9) 25.0
 
April 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
April 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
April 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 8.0 μg/m3 (34) 34.0
 
April 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 6.0 μg/m3 (25) 30.0
 
April 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.0 μg/m3 (21) 34.0