AQSQID: 421010076

Site Name: Mon

Location: Philadelphia (W Park), PA

Reporting: True, Located: True

Current AQI: 37.0

Philadelphia (W Park) PA, US: 39.988842, -75.207205

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Jan. 18, 2020, 9 p.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.51 ppb (6) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 18, 2020, 8 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.53 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 18, 2020, 7 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.49 ppb (5) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 18, 2020, 6 p.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.55 ppb (6) N/A 7.2 μg/m3 (30) 30.0
 
Jan. 18, 2020, 5 p.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.6 ppb (7) N/A 9.5 μg/m3 (40) 40.0
 
Jan. 18, 2020, 4 p.m. N/A N/A N/A 22.0 ppb (20) N/A N/A N/A 0.41 ppb (5) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 18, 2020, 3 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.3 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 18, 2020, 2 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.48 ppb (5) N/A 5.1 μg/m3 (21) 23.0
 
Jan. 18, 2020, 1 p.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.44 ppb (5) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 18, 2020, noon N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.42 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 11 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.31 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 18, 2020, 10 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2020, 9 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2020, 8 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.22 ppb (2) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 18, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 18, 2020, 6 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.24 ppb (3) N/A 3.1 μg/m3 (13) 13.0
 
Jan. 18, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.25 ppb (3) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 18, 2020, 4 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 18, 2020, 3 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.27 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 2 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.26 ppb (3) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 18, 2020, midnight N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 2.9 μg/m3 (12) 12.0
 
Jan. 17, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 17, 2020, 9 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 1.8 μg/m3 (8) 8.0
 
Jan. 17, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 0.0 μg/m3 (0) 4.0
 
Jan. 17, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 1.2 μg/m3 (5) 5.0
 
Jan. 17, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Jan. 17, 2020, 5 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 4 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A 2.9 μg/m3 (12) 12.0
 
Jan. 17, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 2.1 μg/m3 (9) 9.0
 
Jan. 17, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
Jan. 17, 2020, noon N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2020, 10 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 8 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
Jan. 17, 2020, 7 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 5 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 17, 2020, 4 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.23 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 17, 2020, 3 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.25 ppb (3) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, 2 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 17, 2020, 1 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (3) N/A 2.7 μg/m3 (11) 11.0
 
Jan. 17, 2020, midnight N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Jan. 16, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.24 ppb (3) N/A -1.1 μg/m3 (0) 3.0
 
Jan. 16, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.26 ppb (3) N/A -2.7 μg/m3 (0) 3.0
 
Jan. 16, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (3) N/A 0.0 μg/m3 (0) 3.0
 
Jan. 16, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.26 ppb (3) N/A 1.2 μg/m3 (5) 5.0
 
Jan. 16, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.27 ppb (3) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.28 ppb (3) N/A 6.7 μg/m3 (28) 28.0
 
Jan. 16, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.31 ppb (3) N/A 3.6 μg/m3 (15) 15.0
 
Jan. 16, 2020, 4 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.34 ppb (4) N/A 0.1 μg/m3 (0) 4.0
 
Jan. 16, 2020, 3 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.34 ppb (4) N/A 2.2 μg/m3 (9) 9.0
 
Jan. 16, 2020, 2 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.38 ppb (4) N/A 5.2 μg/m3 (22) 22.0
 
Jan. 16, 2020, 1 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.44 ppb (5) N/A 8.4 μg/m3 (35) 35.0
 
Jan. 16, 2020, noon N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.53 ppb (6) N/A 13.0 μg/m3 (52) 52.0
 
Jan. 16, 2020, 11 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.47 ppb (5) N/A 14.1 μg/m3 (54) 54.0
 
Jan. 16, 2020, 10 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.45 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 16, 2020, 9 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.48 ppb (5) N/A 15.9 μg/m3 (58) 58.0
 
Jan. 16, 2020, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.48 ppb (5) N/A 15.1 μg/m3 (57) 57.0
 
Jan. 16, 2020, 7 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.47 ppb (5) N/A 17.0 μg/m3 (61) 61.0
 
Jan. 16, 2020, 6 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.54 ppb (6) N/A 17.9 μg/m3 (63) 63.0
 
Jan. 16, 2020, 5 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.57 ppb (6) N/A 16.9 μg/m3 (60) 60.0
 
Jan. 16, 2020, 4 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.68 ppb (8) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 16, 2020, 3 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.74 ppb (8) N/A 14.1 μg/m3 (54) 54.0
 
Jan. 16, 2020, 2 a.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.96 ppb (11) N/A 15.8 μg/m3 (58) 58.0
 
Jan. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.99 ppb (11) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 16, 2020, midnight N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.71 ppb (8) N/A 9.9 μg/m3 (41) 41.0
 
Jan. 15, 2020, 11 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.59 ppb (7) N/A 8.9 μg/m3 (37) 37.0
 
Jan. 15, 2020, 10 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.6 ppb (7) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.43 ppb (5) N/A 6.0 μg/m3 (25) 25.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.37 ppb (4) N/A 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2020, 7 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.38 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.39 ppb (4) N/A 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.4 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.42 ppb (5) N/A 9.4 μg/m3 (39) 39.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.45 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2020, 2 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.51 ppb (6) N/A 14.2 μg/m3 (55) 55.0
 
Jan. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.53 ppb (6) N/A 16.7 μg/m3 (60) 60.0
 
Jan. 15, 2020, noon N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (5) N/A 13.6 μg/m3 (53) 53.0
 
Jan. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.53 ppb (6) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 15, 2020, 9 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.49 ppb (5) N/A 7.8 μg/m3 (32) 32.0
 
Jan. 15, 2020, 8 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.5 ppb (6) N/A 5.7 μg/m3 (24) 24.0
 
Jan. 15, 2020, 7 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A N/A N/A 3.0 μg/m3 (12) 12.0
 
Jan. 15, 2020, 6 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.5 ppb (6) N/A 4.2 μg/m3 (18) 18.0
 
Jan. 15, 2020, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.59 ppb (7) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 15, 2020, 4 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.6 ppb (7) N/A 8.8 μg/m3 (37) 37.0
 
Jan. 15, 2020, 3 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.56 ppb (6) N/A 6.9 μg/m3 (29) 29.0
 
Jan. 15, 2020, 2 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.67 ppb (7) N/A 6.1 μg/m3 (25) 25.0
 
Jan. 15, 2020, 1 a.m. N/A N/A N/A 37.0 ppb (34) N/A N/A N/A 0.77 ppb (9) N/A 7.8 μg/m3 (32) 34.0
 
Jan. 15, 2020, midnight N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 0.78 ppb (9) N/A 6.1 μg/m3 (25) 44.0
 
Jan. 14, 2020, 11 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.81 ppb (9) N/A 8.0 μg/m3 (33) 33.0
 
Jan. 14, 2020, 10 p.m. N/A N/A N/A 48.0 ppb (44) N/A N/A N/A 0.78 ppb (9) N/A 7.9 μg/m3 (33) 44.0
 
Jan. 14, 2020, 9 p.m. N/A N/A N/A 41.0 ppb (38) N/A N/A N/A 0.81 ppb (9) N/A 7.7 μg/m3 (32) 38.0
 
Jan. 14, 2020, 8 p.m. N/A N/A N/A 47.0 ppb (44) N/A N/A N/A 0.76 ppb (8) N/A 15.2 μg/m3 (57) 57.0
 
Jan. 14, 2020, 7 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.74 ppb (8) N/A 7.7 μg/m3 (32) 32.0
 
Jan. 14, 2020, 6 p.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.75 ppb (8) N/A 16.0 μg/m3 (59) 59.0
 
Jan. 14, 2020, 5 p.m. N/A N/A N/A 36.0 ppb (33) N/A N/A N/A 0.76 ppb (8) N/A 16.4 μg/m3 (59) 59.0
 
Jan. 14, 2020, 4 p.m. N/A N/A N/A 43.0 ppb (40) N/A N/A N/A 0.86 ppb (10) N/A 12.1 μg/m3 (50) 50.0
 
Jan. 14, 2020, 3 p.m. N/A N/A N/A 34.0 ppb (31) N/A N/A N/A 0.96 ppb (11) N/A 24.3 μg/m3 (76) 76.0
 
Jan. 14, 2020, 2 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 1.08 ppb (12) N/A 16.7 μg/m3 (60) 60.0
 
Jan. 14, 2020, 1 p.m. N/A N/A N/A 37.0 ppb (34) N/A N/A N/A 1.01 ppb (11) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2020, noon N/A N/A N/A 30.0 ppb (28) N/A N/A N/A 1.0 ppb (11) N/A 14.0 μg/m3 (54) 54.0
 
Jan. 14, 2020, 11 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.8 ppb (9) N/A 14.6 μg/m3 (56) 56.0
 
Jan. 14, 2020, 10 a.m. N/A N/A N/A 23.0 ppb (21) N/A N/A N/A 0.82 ppb (9) N/A 11.0 μg/m3 (46) 46.0
 
Jan. 14, 2020, 9 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.74 ppb (8) N/A 10.9 μg/m3 (45) 45.0
 
Jan. 14, 2020, 8 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.77 ppb (9) N/A 9.7 μg/m3 (40) 40.0
 
Jan. 14, 2020, 7 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.82 ppb (9) N/A 7.1 μg/m3 (30) 30.0
 
Jan. 14, 2020, 6 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.71 ppb (8) N/A 9.0 μg/m3 (38) 38.0
 
Jan. 14, 2020, 5 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.68 ppb (8) N/A 11.4 μg/m3 (48) 48.0
 
Jan. 14, 2020, 4 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.84 ppb (9) N/A 25.5 μg/m3 (79) 79.0
 
Jan. 14, 2020, 3 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.69 ppb (8) N/A 9.8 μg/m3 (41) 41.0
 
Jan. 14, 2020, 2 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.69 ppb (8) N/A 7.9 μg/m3 (33) 33.0
 
Jan. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.68 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 14, 2020, midnight N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.69 ppb (8) N/A 7.6 μg/m3 (32) 32.0
 
Jan. 13, 2020, 11 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.64 ppb (7) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 13, 2020, 10 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.51 ppb (6) N/A 4.0 μg/m3 (17) 19.0
 
Jan. 13, 2020, 9 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.49 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2020, 8 p.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.49 ppb (5) N/A 5.4 μg/m3 (23) 23.0
 
Jan. 13, 2020, 7 p.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.49 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2020, 6 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.51 ppb (6) N/A 10.3 μg/m3 (43) 43.0
 
Jan. 13, 2020, 5 p.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.53 ppb (6) N/A N/A 15.0
 
Jan. 13, 2020, 4 p.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.53 ppb (6) N/A N/A 19.0
 
Jan. 13, 2020, 3 p.m. N/A N/A N/A 26.0 ppb (24) N/A N/A N/A 0.64 ppb (7) N/A 2.2 μg/m3 (9) 24.0
 
Jan. 13, 2020, 2 p.m. N/A N/A N/A 33.0 ppb (31) N/A N/A N/A 0.63 ppb (7) N/A 5.1 μg/m3 (21) 31.0
 
Jan. 13, 2020, 1 p.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.72 ppb (8) N/A 7.0 μg/m3 (29) 29.0
 
Jan. 13, 2020, noon N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.65 ppb (7) N/A 7.7 μg/m3 (32) 32.0
 
Jan. 13, 2020, 11 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.58 ppb (6) N/A 5.0 μg/m3 (21) 22.0
 
Jan. 13, 2020, 10 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 5.8 μg/m3 (24) 24.0
 
Jan. 13, 2020, 9 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.44 ppb (5) N/A 4.0 μg/m3 (17) 18.0
 
Jan. 13, 2020, 8 a.m. N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.41 ppb (5) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 13, 2020, 7 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.47 ppb (5) N/A 2.0 μg/m3 (8) 14.0
 
Jan. 13, 2020, 6 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.5 ppb (6) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 13, 2020, 5 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.45 ppb (5) N/A 4.0 μg/m3 (17) 17.0
 
Jan. 13, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 13, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.49 ppb (5) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 13, 2020, 2 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.61 ppb (7) N/A 3.0 μg/m3 (12) 12.0
 
Jan. 13, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.48 ppb (5) N/A 3.8 μg/m3 (16) 16.0
 
Jan. 13, 2020, midnight N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.41 ppb (5) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 12, 2020, 11 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.41 ppb (5) N/A 3.1 μg/m3 (13) 13.0
 
Jan. 12, 2020, 10 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.4 ppb (4) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.41 ppb (5) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.39 ppb (4) N/A 4.7 μg/m3 (20) 20.0
 
Jan. 12, 2020, 7 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.39 ppb (4) N/A 2.0 μg/m3 (8) 8.0
 
Jan. 12, 2020, 6 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.38 ppb (4) N/A 2.1 μg/m3 (9) 9.0
 
Jan. 12, 2020, 5 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.38 ppb (4) N/A 4.1 μg/m3 (17) 17.0
 
Jan. 12, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.39 ppb (4) N/A 5.9 μg/m3 (25) 25.0
 
Jan. 12, 2020, 3 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.4 ppb (4) N/A 4.8 μg/m3 (20) 20.0
 
Jan. 12, 2020, 2 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.4 ppb (4) N/A 3.1 μg/m3 (13) 13.0
 
Jan. 12, 2020, 1 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.42 ppb (5) N/A 4.5 μg/m3 (19) 19.0
 
Jan. 12, 2020, noon N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.49 ppb (5) N/A 0.0 μg/m3 (0) 5.0
 
Jan. 12, 2020, 11 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.48 ppb (5) N/A -0.9 μg/m3 (0) 5.0
 
Jan. 12, 2020, 10 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.47 ppb (5) N/A 0.0 μg/m3 (0) 5.0
 
Jan. 12, 2020, 9 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.47 ppb (5) N/A -0.1 μg/m3 (0) 5.0
 
Jan. 12, 2020, 8 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.49 ppb (5) N/A -1.9 μg/m3 (0) 5.0
 
Jan. 12, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.51 ppb (6) N/A -0.8 μg/m3 (0) 6.0
 
Jan. 12, 2020, 6 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.56 ppb (6) N/A 0.9 μg/m3 (4) 6.0
 
Jan. 12, 2020, 5 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.61 ppb (7) N/A 0.0 μg/m3 (0) 7.0
 
Jan. 12, 2020, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.73 ppb (8) N/A 0.0 μg/m3 (0) 11.0
 
Jan. 12, 2020, 3 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.7 ppb (8) N/A 1.0 μg/m3 (4) 9.0
 
Jan. 12, 2020, 2 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.65 ppb (7) N/A 2.2 μg/m3 (9) 12.0
 
Jan. 12, 2020, 1 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.65 ppb (7) N/A 5.0 μg/m3 (21) 21.0
 
Jan. 12, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.65 ppb (7) N/A 4.6 μg/m3 (19) 19.0
 
Jan. 11, 2020, 11 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.59 ppb (7) N/A 1.2 μg/m3 (5) 8.0
 
Jan. 11, 2020, 10 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.63 ppb (7) N/A 3.9 μg/m3 (16) 16.0