ID: 1993

AQSQID: 000100125

Site Name: North Delta

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

Updated: Sept. 20, 2020, 8:38 p.m.

Location: Delta (116th St), CC

Reporting: True, Located: True

Current AQI: 21.0

Delta (116th St) CC, CA: 49.15833, -122.90167

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 2.6 μg/m3 (11) 21.0
 
Sept. 20, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.4 μg/m3 (14) 16.0
 
Sept. 20, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
Sept. 20, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 5.3 μg/m3 (22) 22.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 12.3 μg/m3 (51) 51.0
 
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 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 12.9 μg/m3 (52) 52.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 12.4 μg/m3 (51) 51.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 11.2 μg/m3 (47) 47.0
 
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 10.2 μg/m3 (42) 42.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 2.6 μg/m3 (11) 14.0
 
Sept. 19, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 2.5 μg/m3 (10) 15.0
 
Sept. 19, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 0.1 μg/m3 (0) 11.0
 
Sept. 19, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 0.0 μg/m3 (0) 11.0
 
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 0.0 μg/m3 (0) 11.0
 
Sept. 19, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.0 μg/m3 (0) 12.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 0.2 μg/m3 (1) 12.0
 
Sept. 19, 2020, 2 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, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.9 μg/m3 (20) 20.0
 
Sept. 19, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 10.4 μg/m3 (43) 43.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 19, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 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 11.0 ppb (8) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 9.3 μg/m3 (39) 39.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 8.3 μg/m3 (35) 35.0
 
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 7.1 μg/m3 (30) 30.0
 
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 5.6 μg/m3 (23) 23.0
 
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 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 35.6 μg/m3 (100) 100.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 33.6 μg/m3 (96) 96.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 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 14.0 ppb (11) N/A N/A 34.7 μg/m3 (98) 98.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 36.3 μg/m3 (102) 102.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 42.6 μg/m3 (118) 118.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 49.3 μg/m3 (134) 134.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 60.0 μg/m3 (152) 152.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 61.9 μg/m3 (153) 153.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 62.4 μg/m3 (154) 154.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 55.1 μg/m3 (149) 149.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 55.8 μg/m3 (150) 150.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 56.3 μg/m3 (150) 150.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 57.8 μg/m3 (151) 151.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 58.3 μg/m3 (151) 151.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 61.9 μg/m3 (153) 153.0
 
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 59.0 μg/m3 (152) 152.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 56.9 μg/m3 (151) 151.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 55.8 μg/m3 (150) 150.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 60.6 μg/m3 (153) 153.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 55.1 μg/m3 (149) 149.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 59.4 μg/m3 (152) 152.0
 
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 67.4 μg/m3 (156) 156.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 68.4 μg/m3 (157) 157.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 66.4 μg/m3 (156) 156.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 67.2 μg/m3 (156) 156.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 68.9 μg/m3 (157) 157.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 69.2 μg/m3 (157) 157.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 58.6 μg/m3 (152) 152.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 69.0 μg/m3 (157) 157.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 77.3 μg/m3 (161) 161.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 81.9 μg/m3 (164) 164.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 92.6 μg/m3 (170) 170.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 85.3 μg/m3 (166) 166.0
 
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 77.7 μg/m3 (162) 162.0
 
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 80.6 μg/m3 (163) 163.0
 
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 81.2 μg/m3 (164) 164.0
 
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 80.1 μg/m3 (163) 163.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 83.6 μg/m3 (165) 165.0
 
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 73.5 μg/m3 (159) 159.0
 
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 64.3 μg/m3 (155) 155.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 59.6 μg/m3 (152) 152.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 58.4 μg/m3 (152) 152.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 51.9 μg/m3 (141) 141.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 50.5 μg/m3 (138) 138.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 49.1 μg/m3 (134) 134.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 48.1 μg/m3 (132) 132.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 48.4 μg/m3 (132) 132.0
 
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 45.1 μg/m3 (124) 124.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 48.9 μg/m3 (134) 134.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 50.6 μg/m3 (138) 138.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 54.4 μg/m3 (147) 147.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 63.3 μg/m3 (154) 154.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 49.0 μg/m3 (134) 134.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 63.5 μg/m3 (154) 154.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 71.4 μg/m3 (158) 158.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 74.9 μg/m3 (160) 160.0
 
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 73.9 μg/m3 (160) 160.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 69.1 μg/m3 (157) 157.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 74.3 μg/m3 (160) 160.0
 
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 80.5 μg/m3 (163) 163.0
 
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 59.1 μg/m3 (152) 152.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 67.0 μg/m3 (156) 156.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 70.5 μg/m3 (158) 158.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 72.6 μg/m3 (159) 159.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 77.7 μg/m3 (162) 162.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 78.9 μg/m3 (162) 162.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 53.4 μg/m3 (145) 145.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 79.4 μg/m3 (163) 163.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 95.4 μg/m3 (171) 171.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 104.4 μg/m3 (176) 176.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 107.0 μg/m3 (177) 177.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 109.8 μg/m3 (179) 179.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 84.4 μg/m3 (165) 165.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 85.5 μg/m3 (166) 166.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 98.7 μg/m3 (173) 173.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 110.6 μg/m3 (179) 179.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 112.1 μg/m3 (180) 180.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 114.3 μg/m3 (181) 181.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 100.1 μg/m3 (173) 173.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 97.4 μg/m3 (172) 172.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 96.4 μg/m3 (172) 172.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 85.4 μg/m3 (166) 166.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 112.1 μg/m3 (180) 180.0
 
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 158.0 μg/m3 (208) 208.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 174.5 μg/m3 (224) 224.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 201.4 μg/m3 (251) 251.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 132.6 μg/m3 (191) 191.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 33.1 μg/m3 (95) 95.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 91.4 μg/m3 (169) 169.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 69.0 μg/m3 (157) 157.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 46.6 μg/m3 (128) 128.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 84.0 μg/m3 (165) 165.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 93.2 μg/m3 (170) 170.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 93.9 μg/m3 (170) 170.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 107.5 μg/m3 (177) 177.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 111.1 μg/m3 (179) 179.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 100.7 μg/m3 (174) 174.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 98.5 μg/m3 (173) 173.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A N/A 8.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 151.1 μg/m3 (201) 201.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A N/A 15.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 155.6 μg/m3 (205) 205.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 155.6 μg/m3 (205) 205.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 155.6 μg/m3 (205) 205.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 155.6 μg/m3 (205) 205.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 160.5 μg/m3 (210) 210.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 151.9 μg/m3 (201) 201.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 145.7 μg/m3 (197) 197.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 149.9 μg/m3 (200) 200.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 145.9 μg/m3 (198) 198.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 149.9 μg/m3 (200) 200.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 156.3 μg/m3 (206) 206.0
 
Sept. 14, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 169.3 μg/m3 (219) 219.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 161.9 μg/m3 (211) 211.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 162.1 μg/m3 (212) 212.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 165.7 μg/m3 (215) 215.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 168.4 μg/m3 (218) 218.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 170.5 μg/m3 (220) 220.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 171.2 μg/m3 (221) 221.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 168.0 μg/m3 (218) 218.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 169.0 μg/m3 (218) 218.0
 
Sept. 13, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 173.9 μg/m3 (223) 223.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 179.8 μg/m3 (229) 229.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 182.5 μg/m3 (232) 232.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 179.6 μg/m3 (229) 229.0