ID: 1995

AQSQID: 000100128

Site Name: Richmond South

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

Updated: Sept. 20, 2020, 4:38 p.m.

Location: Richmond (Broadmoor), CC

Reporting: True, Located: True

Current AQI: 13.0

Richmond (Broadmoor) CC, CA: 49.14139, -123.10833

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 20, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 0.4 μg/m3 (2) 13.0
 
Sept. 20, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 0.0 μg/m3 (0) 13.0
 
Sept. 20, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 0.4 μg/m3 (2) 8.0
 
Sept. 20, 2020, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 1.6 μg/m3 (7) 7.0
 
Sept. 20, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Sept. 20, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.6 μg/m3 (2) 15.0
 
Sept. 20, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 1.5 μg/m3 (6) 15.0
 
Sept. 20, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 3.4 μg/m3 (14) 14.0
 
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 4.9 μg/m3 (20) 20.0
 
Sept. 20, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 20, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 20, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 20, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 6.0 μg/m3 (25) 25.0
 
Sept. 20, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 4.8 μg/m3 (20) 20.0
 
Sept. 20, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 20, 2020, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 3.6 μg/m3 (15) 17.0
 
Sept. 19, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 3.0 μg/m3 (12) 15.0
 
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 2.7 μg/m3 (11) 15.0
 
Sept. 19, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 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 1.4 μg/m3 (6) 15.0
 
Sept. 19, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.3 μg/m3 (1) 15.0
 
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 0.4 μg/m3 (2) 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 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Sept. 19, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Sept. 19, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 0.0 μg/m3 (0) 8.0
 
Sept. 19, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 1.4 μg/m3 (6) 7.0
 
Sept. 19, 2020, noon 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. 19, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 4.4 μg/m3 (18) 18.0
 
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 3.2 μg/m3 (13) 13.0
 
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 1.9 μg/m3 (8) 8.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 1.7 μg/m3 (7) 7.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 0.4 μg/m3 (2) 4.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 0.1 μg/m3 (0) 4.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 3.6 μg/m3 (15) 15.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 13.8 μg/m3 (54) 54.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 29.5 μg/m3 (87) 87.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 29.6 μg/m3 (87) 87.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 28.4 μg/m3 (85) 85.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 39.8 μg/m3 (111) 111.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 37.0 μg/m3 (104) 104.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 33.9 μg/m3 (97) 97.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 31.2 μg/m3 (91) 91.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 37.9 μg/m3 (106) 106.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 47.5 μg/m3 (130) 130.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 45.5 μg/m3 (125) 125.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 36.2 μg/m3 (102) 102.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (91) 91.0
 
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 33.0 μg/m3 (95) 95.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.7 μg/m3 (98) 98.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.6 μg/m3 (96) 96.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (95) 95.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.6 μg/m3 (94) 94.0
 
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 34.4 μg/m3 (98) 98.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 39.6 μg/m3 (110) 110.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 42.2 μg/m3 (117) 117.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 43.2 μg/m3 (119) 119.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 46.9 μg/m3 (128) 128.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 52.2 μg/m3 (142) 142.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 57.3 μg/m3 (151) 151.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 62.3 μg/m3 (154) 154.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 67.0 μg/m3 (156) 156.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 66.1 μg/m3 (156) 156.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 64.8 μg/m3 (155) 155.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 57.4 μg/m3 (151) 151.0
 
Sept. 17, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 56.4 μg/m3 (150) 150.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 66.7 μg/m3 (156) 156.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 69.6 μg/m3 (157) 157.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 74.3 μg/m3 (160) 160.0
 
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 74.2 μg/m3 (160) 160.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 63.7 μg/m3 (154) 154.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 56.6 μg/m3 (151) 151.0
 
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 53.2 μg/m3 (144) 144.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 53.4 μg/m3 (145) 145.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 51.8 μg/m3 (141) 141.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 49.8 μg/m3 (136) 136.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 45.5 μg/m3 (125) 125.0
 
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 44.2 μg/m3 (122) 122.0
 
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 41.7 μg/m3 (116) 116.0
 
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 41.7 μg/m3 (116) 116.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 45.4 μg/m3 (125) 125.0
 
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 44.9 μg/m3 (124) 124.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 41.2 μg/m3 (114) 114.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 41.1 μg/m3 (114) 114.0
 
Sept. 17, 2020, 2 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, 1 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 44.4 μg/m3 (122) 122.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A N/A 41.1 μg/m3 (114) 114.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 49.0 μg/m3 (134) 134.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 54.1 μg/m3 (146) 146.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 53.1 μg/m3 (144) 144.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 54.0 μg/m3 (146) 146.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 52.7 μg/m3 (143) 143.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 59.4 μg/m3 (152) 152.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 68.2 μg/m3 (157) 157.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 61.4 μg/m3 (153) 153.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 50.6 μg/m3 (138) 138.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 58.0 μg/m3 (151) 151.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 52.0 μg/m3 (141) 141.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 54.1 μg/m3 (146) 146.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 71.7 μg/m3 (159) 159.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 82.3 μg/m3 (164) 164.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 81.8 μg/m3 (164) 164.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 82.0 μg/m3 (164) 164.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 76.7 μg/m3 (161) 161.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 80.8 μg/m3 (163) 163.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 93.9 μg/m3 (170) 170.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 97.1 μg/m3 (172) 172.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 104.9 μg/m3 (176) 176.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 116.2 μg/m3 (182) 182.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 100.3 μg/m3 (174) 174.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 84.7 μg/m3 (165) 165.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A 75.5 μg/m3 (161) 161.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 78.5 μg/m3 (162) 162.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 94.5 μg/m3 (171) 171.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 93.3 μg/m3 (170) 170.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 89.1 μg/m3 (168) 168.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 103.2 μg/m3 (175) 175.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A 114.8 μg/m3 (181) 181.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 120.0 μg/m3 (184) 184.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 116.3 μg/m3 (182) 182.0
 
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 116.7 μg/m3 (182) 182.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 127.8 μg/m3 (188) 188.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 135.2 μg/m3 (192) 192.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 137.6 μg/m3 (193) 193.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 142.9 μg/m3 (196) 196.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 146.2 μg/m3 (198) 198.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 147.9 μg/m3 (199) 199.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 146.8 μg/m3 (198) 198.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 156.9 μg/m3 (206) 206.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 160.7 μg/m3 (210) 210.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A N/A 161.6 μg/m3 (211) 211.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A N/A 167.4 μg/m3 (217) 217.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 171.8 μg/m3 (221) 221.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 174.9 μg/m3 (224) 224.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 172.0 μg/m3 (222) 222.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 164.8 μg/m3 (214) 214.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A N/A 7.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A N/A 5.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 114.3 μg/m3 (181) 181.0
 
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 108.9 μg/m3 (178) 178.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 117.9 μg/m3 (183) 183.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 100.5 μg/m3 (174) 174.0
 
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 98.2 μg/m3 (172) 172.0
 
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 99.1 μg/m3 (173) 173.0
 
Sept. 14, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 92.5 μg/m3 (169) 169.0
 
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 102.4 μg/m3 (175) 175.0
 
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 115.3 μg/m3 (181) 181.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 120.3 μg/m3 (184) 184.0
 
Sept. 14, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 128.4 μg/m3 (188) 188.0
 
Sept. 14, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 138.7 μg/m3 (194) 194.0
 
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 148.2 μg/m3 (199) 199.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 152.5 μg/m3 (202) 202.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 154.4 μg/m3 (204) 204.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 156.2 μg/m3 (206) 206.0
 
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 158.5 μg/m3 (208) 208.0
 
Sept. 13, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 162.8 μg/m3 (212) 212.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 163.4 μg/m3 (213) 213.0
 
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 157.9 μg/m3 (207) 207.0
 
Sept. 13, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 151.1 μg/m3 (201) 201.0
 
Sept. 13, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 143.8 μg/m3 (196) 196.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 138.2 μg/m3 (194) 194.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A N/A 138.8 μg/m3 (194) 194.0