AQSQID: 420210011

Site Name: John

Location: Johnstown, PA

Reporting: True, Located: True

Current AQI: 135.0

Johnstown PA, US: 40.3097, -78.9158

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 49.6 μg/m3 (135) 135.0
 
Jan. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 29.7 μg/m3 (88) 88.0
 
Jan. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 22.9 μg/m3 (73) 73.0
 
Jan. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 22.7 μg/m3 (73) 73.0
 
Jan. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 15.3 μg/m3 (57) 57.0
 
Jan. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 9.2 μg/m3 (38) 38.0
 
Jan. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 16, 2019, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 21.1 μg/m3 (69) 69.0
 
Jan. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 38.8 μg/m3 (108) 108.0
 
Jan. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 47.9 μg/m3 (131) 131.0
 
Jan. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 30.9 μg/m3 (90) 90.0
 
Jan. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 11.8 μg/m3 (49) 49.0
 
Jan. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 18.6 μg/m3 (64) 64.0
 
Jan. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 24.8 μg/m3 (77) 77.0
 
Jan. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 13.9 μg/m3 (54) 54.0
 
Jan. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 33.6 μg/m3 (96) 96.0
 
Jan. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 21.8 μg/m3 (71) 71.0
 
Jan. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 5.6 μg/m3 (23) 26.0
 
Jan. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.5 μg/m3 (2) 26.0
 
Jan. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.7 μg/m3 (3) 24.0
 
Jan. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.7 μg/m3 (3) 23.0
 
Jan. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.5 μg/m3 (2) 24.0
 
Jan. 15, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 28.9 μg/m3 (86) 86.0
 
Jan. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 62.1 μg/m3 (153) 153.0
 
Jan. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 35.8 μg/m3 (101) 101.0
 
Jan. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
Jan. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.5 μg/m3 (2) 17.0
 
Jan. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 34.7 μg/m3 (98) 98.0
 
Jan. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 48.8 μg/m3 (133) 133.0
 
Jan. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 48.9 μg/m3 (134) 134.0
 
Jan. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 63.0 μg/m3 (154) 154.0
 
Jan. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 66.7 μg/m3 (156) 156.0
 
Jan. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 58.6 μg/m3 (152) 152.0
 
Jan. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 21.4 μg/m3 (70) 70.0
 
Jan. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 0.5 μg/m3 (2) 8.0
 
Jan. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 0.5 μg/m3 (2) 12.0
 
Jan. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.5 μg/m3 (2) 17.0
 
Jan. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.5 μg/m3 (2) 20.0
 
Jan. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 57.8 μg/m3 (151) 151.0
 
Jan. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 91.3 μg/m3 (169) 169.0
 
Jan. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 69.7 μg/m3 (157) 157.0
 
Jan. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 25.6 μg/m3 (79) 79.0
 
Jan. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A N/A 0.5 μg/m3 (2) 7.0
 
Jan. 14, 2019, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 15.0
 
Jan. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 15.4 μg/m3 (57) 57.0
 
Jan. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 27.2 μg/m3 (82) 82.0
 
Jan. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 33.6 μg/m3 (96) 96.0
 
Jan. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 36.9 μg/m3 (104) 104.0
 
Jan. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 15.9 μg/m3 (58) 58.0
 
Jan. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (2) 2.0
 
Jan. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
Jan. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 39.7 μg/m3 (110) 110.0
 
Jan. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 66.7 μg/m3 (156) 156.0
 
Jan. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 32.1 μg/m3 (93) 93.0
 
Jan. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 19.2 μg/m3 (65) 65.0
 
Jan. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 12.9 μg/m3 (52) 52.0
 
Jan. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 0.5 μg/m3 (2) 20.0
 
Jan. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.7 μg/m3 (7) 21.0
 
Jan. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.6 μg/m3 (7) 20.0
 
Jan. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 49.5 μg/m3 (135) 135.0
 
Jan. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 103.5 μg/m3 (175) 175.0
 
Jan. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 114.8 μg/m3 (181) 181.0
 
Jan. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 67.0 μg/m3 (156) 156.0
 
Jan. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 13, 2019, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 15.0
 
Jan. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 30.7 μg/m3 (90) 90.0
 
Jan. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 35.4 μg/m3 (100) 100.0
 
Jan. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 25.0 μg/m3 (78) 78.0
 
Jan. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 13, 2019, 3 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
 
Jan. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.6 μg/m3 (15) 16.0
 
Jan. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 3.6 μg/m3 (15) 16.0
 
Jan. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Jan. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.2 μg/m3 (22) 22.0
 
Jan. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.9 μg/m3 (16) 19.0
 
Jan. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 1.8 μg/m3 (8) 21.0
 
Jan. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 33.3 μg/m3 (95) 95.0
 
Jan. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 30.8 μg/m3 (90) 90.0
 
Jan. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 20.2 μg/m3 (67) 67.0
 
Jan. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 24.4 μg/m3 (76) 76.0
 
Jan. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 26.8 μg/m3 (81) 81.0
 
Jan. 12, 2019, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 26.0 μg/m3 (80) 80.0
 
Jan. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 15.0 μg/m3 (56) 56.0
 
Jan. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A N/A 12.7 μg/m3 (51) 51.0
 
Jan. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 14.2 μg/m3 (55) 55.0
 
Jan. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
Jan. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A N/A 12.2 μg/m3 (50) 50.0
 
Jan. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 13.7 μg/m3 (54) 54.0
 
Jan. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A N/A 17.3 μg/m3 (61) 61.0
 
Jan. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 10.0
 
Jan. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A 1.2 μg/m3 (5) 13.0
 
Jan. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 4.9 μg/m3 (20) 26.0
 
Jan. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
Jan. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.6 μg/m3 (23) 25.0
 
Jan. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 14.9 μg/m3 (56) 56.0
 
Jan. 11, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.5 μg/m3 (2) 24.0
 
Jan. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 34.5 μg/m3 (98) 98.0
 
Jan. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 37.0 μg/m3 (104) 104.0
 
Jan. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (60) 60.0
 
Jan. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 13.6 μg/m3 (53) 53.0
 
Jan. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 11.5 μg/m3 (48) 48.0
 
Jan. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 0.8 μg/m3 (3) 25.0
 
Jan. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 0.5 μg/m3 (2) 25.0
 
Jan. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 3.4 μg/m3 (14) 24.0
 
Jan. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.7 μg/m3 (7) 25.0
 
Jan. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 0.5 μg/m3 (2) 23.0
 
Jan. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 0.5 μg/m3 (2) 24.0
 
Jan. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 13.8 μg/m3 (54) 54.0
 
Jan. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 16.0 μg/m3 (59) 59.0
 
Jan. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Jan. 10, 2019, noon N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 12.5 μg/m3 (51) 51.0
 
Jan. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 21.1 μg/m3 (69) 69.0
 
Jan. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 15.3 μg/m3 (57) 57.0
 
Jan. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
Jan. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (6) 6.0
 
Jan. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 0.5 μg/m3 (2) 17.0
 
Jan. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
Jan. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 8.6 μg/m3 (36) 36.0
 
Jan. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Jan. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
Jan. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 0.5 μg/m3 (2) 2.0