ID: 900

AQSQID: 530730005

Site Name: Custer-Loomis (So-Aqs)

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

Updated: July 28, 2021, 6:56 p.m.

Location: Custer (Loomis Trl Rd), WA

Reporting: True, Located: True

Current AQI: 26.0

Custer (Loomis Trl Rd) WA, US: 48.950699, -122.554398

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.0 μg/m3 (25) 26.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 1.7 μg/m3 (8) 20.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 1.0 μg/m3 (5) 15.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A -7.0 μg/m3 (0) 9.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -2.9 μg/m3 (0) 3.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -3.6 μg/m3 (0) 3.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -3.1 μg/m3 (0) 3.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -4.3 μg/m3 (0) 2.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -0.6 μg/m3 (0) 3.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A -1.7 μg/m3 (0) 6.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 1.2 μg/m3 (5) 6.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A -0.8 μg/m3 (0) 10.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 3.3 μg/m3 (14) 18.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -0.6 μg/m3 (0) 27.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.7 μg/m3 (12) 25.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -7.9 μg/m3 (0) 28.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.3 μg/m3 (18) 29.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 13.9 μg/m3 (55) 55.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.4 μg/m3 (15) 34.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -3.1 μg/m3 (0) 32.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.8 μg/m3 (0) 25.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 2.2 μg/m3 (10) 13.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 0.9 μg/m3 (4) 10.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 2.7 μg/m3 (12) 12.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A -0.3 μg/m3 (0) 8.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A -4.4 μg/m3 (0) 7.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -4.3 μg/m3 (0) 4.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -0.3 μg/m3 (0) 4.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -5.5 μg/m3 (0) 0.0
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A -1.1 μg/m3 (0) 6.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A -0.9 μg/m3 (0) 7.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A -2.1 μg/m3 (0) 9.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A -0.4 μg/m3 (0) 11.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.8 μg/m3 (4) 13.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 2.2 μg/m3 (10) 20.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.0 μg/m3 (9) 33.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -0.3 μg/m3 (0) 35.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 14.1 μg/m3 (56) 56.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 13.3 μg/m3 (54) 54.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.4 μg/m3 (6) 33.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -7.9 μg/m3 (0) 30.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.0 μg/m3 (9) 26.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 0.5 μg/m3 (3) 15.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -1.1 μg/m3 (0) 13.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.1 μg/m3 (1) 13.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -1.8 μg/m3 (0) 13.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A -3.8 μg/m3 (0) 9.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -0.1 μg/m3 (0) 3.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A -2.6 μg/m3 (0) 6.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A -5.8 μg/m3 (0) 8.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A 1.8 μg/m3 (8) 10.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -1.9 μg/m3 (0) 13.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -1.7 μg/m3 (0) 13.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 0.1 μg/m3 (1) 12.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 0.2 μg/m3 (1) 12.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.1 μg/m3 (1) 13.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 0.6 μg/m3 (3) 13.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.1 μg/m3 (5) 16.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -1.3 μg/m3 (0) 21.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -6.0 μg/m3 (0) 25.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 1.2 μg/m3 (5) 29.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 5.2 μg/m3 (22) 28.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -6.1 μg/m3 (0) 29.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 1.9 μg/m3 (8) 28.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.4 μg/m3 (19) 21.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 1.6 μg/m3 (7) 16.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 1.5 μg/m3 (7) 14.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A -0.9 μg/m3 (0) 11.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A 1.4 μg/m3 (6) 11.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A -2.6 μg/m3 (0) 9.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -1.5 μg/m3 (0) 0.0
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -0.1 μg/m3 (0) 4.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -0.3 μg/m3 (0) 4.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 0.2 μg/m3 (1) 5.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A 3.2 μg/m3 (14) 14.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.2 μg/m3 (14) 20.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -0.5 μg/m3 (0) 28.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -0.3 μg/m3 (0) 27.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -5.9 μg/m3 (0) 29.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -4.8 μg/m3 (0) 28.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 4.2 μg/m3 (18) 29.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.0 μg/m3 (0) 32.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -5.2 μg/m3 (0) 35.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -4.2 μg/m3 (0) 34.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -5.9 μg/m3 (0) 32.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 6.5 μg/m3 (28) 28.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 2.6 μg/m3 (11) 14.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 0.3 μg/m3 (2) 7.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -3.2 μg/m3 (0) 2.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A -1.4 μg/m3 (0) 2.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A -3.0 μg/m3 (0) 1.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -1.0 μg/m3 (0) 4.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -2.1 μg/m3 (0) 3.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -0.1 μg/m3 (0) 3.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A 0.0 μg/m3 (0) 5.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 1.7 μg/m3 (8) 8.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 2.1 μg/m3 (9) 9.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 0.7 μg/m3 (3) 25.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -0.1 μg/m3 (0) 30.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A -5.6 μg/m3 (0) 30.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -7.8 μg/m3 (0) 27.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 15.2 μg/m3 (58) 58.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 12.7 μg/m3 (53) 53.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -6.1 μg/m3 (0) 28.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 1.6 μg/m3 (7) 26.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.5 μg/m3 (3) 24.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.1 μg/m3 (5) 21.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A -0.7 μg/m3 (0) 20.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 2.1 μg/m3 (9) 18.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 0.6 μg/m3 (3) 14.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -0.6 μg/m3 (0) 13.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A -2.3 μg/m3 (0) 13.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -1.5 μg/m3 (0) 13.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A -3.4 μg/m3 (0) 0.0
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A N/A -4.4 μg/m3 (0) 10.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A N/A -1.1 μg/m3 (0) 5.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -1.3 μg/m3 (0) 3.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A N/A 0.9 μg/m3 (4) 7.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A -0.5 μg/m3 (0) 13.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A -3.4 μg/m3 (0) 21.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.1 μg/m3 (1) 26.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.7 μg/m3 (0) 25.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -7.3 μg/m3 (0) 31.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 10.3 μg/m3 (43) 43.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 0.0 μg/m3 (0) 27.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -0.4 μg/m3 (0) 24.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 0.7 μg/m3 (3) 22.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A -1.3 μg/m3 (0) 18.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -2.0 μg/m3 (0) 17.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A -0.4 μg/m3 (0) 11.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A -0.2 μg/m3 (0) 4.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A N/A -5.6 μg/m3 (0) 3.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A -3.9 μg/m3 (0) 6.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A N/A -4.3 μg/m3 (0) 12.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -5.3 μg/m3 (0) 14.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A -1.0 μg/m3 (0) 14.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 0.4 μg/m3 (2) 14.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A -0.4 μg/m3 (0) 17.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A -1.7 μg/m3 (0) 16.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 0.6 μg/m3 (3) 17.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 0.9 μg/m3 (4) 21.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 0.5 μg/m3 (3) 22.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -0.6 μg/m3 (0) 24.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -3.1 μg/m3 (0) 24.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A -1.7 μg/m3 (0) 24.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -2.9 μg/m3 (0) 25.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A -1.2 μg/m3 (0) 27.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 1.5 μg/m3 (7) 25.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.4 μg/m3 (15) 24.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A -4.8 μg/m3 (0) 22.0