ID: 2090

AQSQID: 421010055

Site Name: Rit

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

Updated: Jan. 16, 2021, 10:31 a.m.

Location: Philadelphia (W Passyunk), PA

Reporting: True, Located: True

Current AQI: 40.0

Philadelphia (W Passyunk) PA, US: 39.922516, -75.186783

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.5 μg/m3 (52) 52.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.2 μg/m3 (52) 52.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.1 μg/m3 (54) 54.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.9 μg/m3 (50) 50.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.1 μg/m3 (47) 47.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.8 μg/m3 (46) 46.0
 
Jan. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.8 μg/m3 (53) 53.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (54) 54.0
 
Jan. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.9 μg/m3 (59) 59.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.5 μg/m3 (36) 36.0
 
Jan. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.8 μg/m3 (33) 33.0
 
Jan. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Jan. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 32.3 μg/m3 (94) 94.0
 
Jan. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 35.2 μg/m3 (100) 100.0
 
Jan. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 30.3 μg/m3 (90) 90.0
 
Jan. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 24.6 μg/m3 (78) 78.0
 
Jan. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.9 μg/m3 (76) 76.0
 
Jan. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.7 μg/m3 (76) 76.0
 
Jan. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 23.3 μg/m3 (75) 75.0
 
Jan. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 22.6 μg/m3 (74) 74.0
 
Jan. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.5 μg/m3 (71) 71.0
 
Jan. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
Jan. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
Jan. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 20.6 μg/m3 (69) 69.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.2 μg/m3 (66) 66.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 27.4 μg/m3 (84) 84.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 29.2 μg/m3 (87) 87.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 25.7 μg/m3 (80) 80.0
 
Jan. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.7 μg/m3 (72) 72.0
 
Jan. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.7 μg/m3 (65) 65.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.4 μg/m3 (65) 65.0
 
Jan. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.4 μg/m3 (67) 67.0
 
Jan. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 23.6 μg/m3 (76) 76.0
 
Jan. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 25.0 μg/m3 (79) 79.0
 
Jan. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 28.7 μg/m3 (86) 86.0
 
Jan. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.1 μg/m3 (81) 81.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 25.3 μg/m3 (79) 79.0
 
Jan. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 22.8 μg/m3 (74) 74.0
 
Jan. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.2 μg/m3 (71) 71.0
 
Jan. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.9 μg/m3 (72) 72.0
 
Jan. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Jan. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.7 μg/m3 (72) 72.0
 
Jan. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 21.4 μg/m3 (71) 71.0
 
Jan. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.3 μg/m3 (67) 67.0
 
Jan. 14, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (73) 73.0
 
Jan. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.1 μg/m3 (66) 66.0
 
Jan. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.0 μg/m3 (66) 66.0
 
Jan. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 18.2 μg/m3 (64) 64.0
 
Jan. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
Jan. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 20.9 μg/m3 (70) 70.0
 
Jan. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 19.6 μg/m3 (67) 67.0
 
Jan. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
Jan. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 19.8 μg/m3 (68) 68.0
 
Jan. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 21.8 μg/m3 (72) 72.0
 
Jan. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 34.0 μg/m3 (98) 98.0
 
Jan. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 38.4 μg/m3 (109) 109.0
 
Jan. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A N/A 35.7 μg/m3 (102) 102.0
 
Jan. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 34.2 μg/m3 (98) 98.0
 
Jan. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 33.6 μg/m3 (97) 97.0
 
Jan. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 32.8 μg/m3 (95) 95.0
 
Jan. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 31.6 μg/m3 (93) 93.0
 
Jan. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 27.0 μg/m3 (83) 83.0
 
Jan. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 25.8 μg/m3 (80) 80.0
 
Jan. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 28.8 μg/m3 (87) 87.0
 
Jan. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 28.1 μg/m3 (85) 85.0
 
Jan. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 28.3 μg/m3 (86) 86.0
 
Jan. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 28.6 μg/m3 (86) 86.0
 
Jan. 13, 2021, midnight N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 27.3 μg/m3 (83) 83.0
 
Jan. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 27.9 μg/m3 (85) 85.0
 
Jan. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 26.3 μg/m3 (81) 81.0
 
Jan. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 25.7 μg/m3 (80) 80.0
 
Jan. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.2 μg/m3 (81) 81.0
 
Jan. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 23.2 μg/m3 (75) 75.0
 
Jan. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 22.1 μg/m3 (73) 73.0
 
Jan. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 22.2 μg/m3 (73) 73.0
 
Jan. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 20.5 μg/m3 (69) 69.0
 
Jan. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 23.0 μg/m3 (74) 74.0
 
Jan. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 29.4 μg/m3 (88) 88.0
 
Jan. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 33.0 μg/m3 (95) 95.0
 
Jan. 12, 2021, noon N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 31.0 μg/m3 (91) 91.0
 
Jan. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 29.0 μg/m3 (87) 87.0
 
Jan. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 28.0 μg/m3 (85) 85.0
 
Jan. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
Jan. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 26.7 μg/m3 (82) 82.0
 
Jan. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 27.6 μg/m3 (84) 84.0
 
Jan. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 26.9 μg/m3 (83) 83.0
 
Jan. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 26.8 μg/m3 (82) 82.0
 
Jan. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 26.5 μg/m3 (82) 82.0
 
Jan. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A 24.4 μg/m3 (77) 77.0
 
Jan. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 23.1 μg/m3 (75) 75.0
 
Jan. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 22.4 μg/m3 (73) 73.0
 
Jan. 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (68) 68.0
 
Jan. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 18.6 μg/m3 (65) 65.0
 
Jan. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 16.7 μg/m3 (61) 61.0
 
Jan. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 15.4 μg/m3 (58) 58.0
 
Jan. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.1 μg/m3 (56) 56.0
 
Jan. 11, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 16.8 μg/m3 (61) 61.0
 
Jan. 11, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 16.1 μg/m3 (60) 60.0
 
Jan. 11, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 13.3 μg/m3 (54) 54.0
 
Jan. 11, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 16.8 μg/m3 (61) 61.0
 
Jan. 11, 2021, 3 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 22.0 μg/m3 (72) 72.0
 
Jan. 11, 2021, 2 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 21.0 μg/m3 (70) 70.0
 
Jan. 11, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 17.2 μg/m3 (62) 62.0
 
Jan. 11, 2021, noon N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A 16.2 μg/m3 (60) 60.0
 
Jan. 11, 2021, 11 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 13.8 μg/m3 (55) 55.0
 
Jan. 11, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 12.4 μg/m3 (52) 52.0
 
Jan. 11, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 12.8 μg/m3 (53) 53.0
 
Jan. 11, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 11, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.4 μg/m3 (44) 44.0
 
Jan. 11, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 11, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 11, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 11, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.5 μg/m3 (44) 44.0
 
Jan. 11, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 11.6 μg/m3 (49) 49.0
 
Jan. 11, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A 14.6 μg/m3 (57) 57.0
 
Jan. 11, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 10.2 μg/m3 (43) 43.0
 
Jan. 10, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 10, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.3 μg/m3 (23) 23.0
 
Jan. 10, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 10, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
Jan. 10, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
Jan. 10, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 10, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 10, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.1 μg/m3 (18) 18.0
 
Jan. 10, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 10, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 10, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.9 μg/m3 (17) 17.0
 
Jan. 10, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.7 μg/m3 (16) 16.0
 
Jan. 10, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
Jan. 10, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 10, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 10, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 10, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 10, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.8 μg/m3 (12) 12.0
 
Jan. 10, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 10, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 10, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.4 μg/m3 (15) 15.0
 
Jan. 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 9, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
Jan. 9, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.9 μg/m3 (13) 13.0
 
Jan. 9, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 2.7 μg/m3 (12) 12.0
 
Jan. 9, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.1 μg/m3 (13) 13.0
 
Jan. 9, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Jan. 9, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 9, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.2 μg/m3 (14) 14.0
 
Jan. 9, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.3 μg/m3 (14) 14.0
 
Jan. 9, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 9, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 9, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 3.5 μg/m3 (15) 15.0
 
Jan. 9, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.0 μg/m3 (17) 17.0
 
Jan. 9, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.9 μg/m3 (21) 21.0
 
Jan. 9, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 9, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 9, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.8 μg/m3 (20) 20.0
 
Jan. 9, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A 4.4 μg/m3 (19) 19.0