ID: 893

AQSQID: 530330017

Site Name: North Bend-North Bend Way (So)

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

Updated: Sept. 22, 2020, 1:39 p.m.

Location: N Bend (Forest Service/Mt. SI), WA

Reporting: True, Located: True

Current AQI: 10.0

N Bend (Forest Service/Mt. SI) WA, US: 47.4902, -121.772697

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 22, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 22, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.4 μg/m3 (10) 10.0
 
Sept. 22, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 22, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 22, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 22, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 22, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 22, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 22, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 22, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 22, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 22, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 3.7 μg/m3 (15) 15.0
 
Sept. 22, 2020, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 3.2 μg/m3 (13) 14.0
 
Sept. 21, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.9 μg/m3 (12) 16.0
 
Sept. 21, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
Sept. 21, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.3 μg/m3 (10) 14.0
 
Sept. 21, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 21, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
Sept. 21, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 1.7 μg/m3 (7) 8.0
 
Sept. 21, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 21, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 21, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 21, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 21, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 21, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 1.5 μg/m3 (6) 6.0
 
Sept. 21, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 21, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 21, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 21, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 21, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 1.9 μg/m3 (8) 8.0
 
Sept. 21, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 2.1 μg/m3 (9) 9.0
 
Sept. 21, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 21, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 21, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 21, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 21, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.9 μg/m3 (12) 15.0
 
Sept. 21, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Sept. 20, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
Sept. 20, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.2 μg/m3 (9) 22.0
 
Sept. 20, 2020, 9 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
 
Sept. 20, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 2.0 μg/m3 (8) 20.0
 
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 1.9 μg/m3 (8) 18.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.9 μg/m3 (8) 15.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 1.9 μg/m3 (8) 10.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 2.1 μg/m3 (9) 9.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 2.2 μg/m3 (9) 9.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 2.3 μg/m3 (10) 10.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 2.5 μg/m3 (10) 10.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 2.9 μg/m3 (12) 12.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 2.3 μg/m3 (10) 13.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 1.9 μg/m3 (8) 16.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 2.5 μg/m3 (10) 12.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 2.7 μg/m3 (11) 11.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 2.6 μg/m3 (11) 11.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 3.0 μg/m3 (12) 12.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.9 μg/m3 (8) 12.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.8 μg/m3 (8) 13.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 1.6 μg/m3 (7) 14.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 1.2 μg/m3 (5) 12.0
 
Sept. 19, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 1.4 μg/m3 (6) 11.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 1.0 μg/m3 (4) 8.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 1.4 μg/m3 (6) 6.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 1.2 μg/m3 (5) 8.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 1.5 μg/m3 (6) 8.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 1.8 μg/m3 (8) 8.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 2.8 μg/m3 (12) 12.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 12.0 μg/m3 (50) 50.0
 
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 23.1 μg/m3 (74) 74.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 26.1 μg/m3 (80) 80.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 27.1 μg/m3 (82) 82.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 26.3 μg/m3 (80) 80.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 27.3 μg/m3 (83) 83.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 28.6 μg/m3 (85) 85.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 29.3 μg/m3 (87) 87.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 28.8 μg/m3 (86) 86.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 29.3 μg/m3 (87) 87.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 31.8 μg/m3 (92) 92.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 28.9 μg/m3 (86) 86.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 31.5 μg/m3 (91) 91.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 46.2 μg/m3 (127) 127.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 58.0 μg/m3 (151) 151.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 60.5 μg/m3 (153) 153.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 62.6 μg/m3 (154) 154.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 61.5 μg/m3 (153) 153.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 60.6 μg/m3 (153) 153.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.2 μg/m3 (153) 153.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 62.0 μg/m3 (153) 153.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 66.9 μg/m3 (156) 156.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 67.5 μg/m3 (156) 156.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 61.9 μg/m3 (153) 153.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 58.1 μg/m3 (151) 151.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 60.2 μg/m3 (152) 152.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 62.5 μg/m3 (154) 154.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 62.7 μg/m3 (154) 154.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 60.7 μg/m3 (153) 153.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 61.7 μg/m3 (153) 153.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 63.0 μg/m3 (154) 154.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 60.8 μg/m3 (153) 153.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 54.3 μg/m3 (147) 147.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 53.7 μg/m3 (146) 146.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 61.6 μg/m3 (153) 153.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 64.8 μg/m3 (155) 155.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 67.1 μg/m3 (156) 156.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 78.8 μg/m3 (162) 162.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 88.6 μg/m3 (167) 167.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 107.7 μg/m3 (177) 177.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 104.5 μg/m3 (176) 176.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 111.7 μg/m3 (180) 180.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 111.8 μg/m3 (180) 180.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 111.3 μg/m3 (179) 179.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 104.0 μg/m3 (176) 176.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 103.1 μg/m3 (175) 175.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 112.1 μg/m3 (180) 180.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 106.1 μg/m3 (177) 177.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 100.3 μg/m3 (174) 174.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 87.7 μg/m3 (167) 167.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 87.1 μg/m3 (167) 167.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 83.7 μg/m3 (165) 165.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 83.3 μg/m3 (165) 165.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 83.4 μg/m3 (165) 165.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 81.2 μg/m3 (164) 164.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 83.4 μg/m3 (165) 165.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 84.1 μg/m3 (165) 165.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 81.4 μg/m3 (164) 164.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 76.5 μg/m3 (161) 161.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 75.3 μg/m3 (160) 160.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 70.1 μg/m3 (158) 158.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 72.5 μg/m3 (159) 159.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 78.4 μg/m3 (162) 162.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 72.6 μg/m3 (159) 159.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 75.9 μg/m3 (161) 161.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 65.2 μg/m3 (155) 155.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A 67.0 μg/m3 (156) 156.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 59.4 μg/m3 (152) 152.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 56.2 μg/m3 (150) 150.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A N/A 54.6 μg/m3 (148) 148.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 58.0 μg/m3 (151) 151.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 61.3 μg/m3 (153) 153.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 65.4 μg/m3 (155) 155.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 63.6 μg/m3 (154) 154.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 63.1 μg/m3 (154) 154.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 64.3 μg/m3 (155) 155.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 66.6 μg/m3 (156) 156.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 67.6 μg/m3 (156) 156.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 81.1 μg/m3 (163) 163.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 86.9 μg/m3 (167) 167.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 62.4 μg/m3 (154) 154.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 52.4 μg/m3 (142) 142.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 42.9 μg/m3 (118) 118.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 37.3 μg/m3 (104) 104.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 40.7 μg/m3 (113) 113.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 53.3 μg/m3 (144) 144.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 50.3 μg/m3 (137) 137.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 47.7 μg/m3 (130) 130.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 30.6 μg/m3 (90) 90.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 34.8 μg/m3 (99) 99.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 40.8 μg/m3 (113) 113.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 58.1 μg/m3 (151) 151.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 72.0 μg/m3 (159) 159.0