AQSQID: 060990005

Site Name: Modesto - 14th Street

Location: Modesto, CA

Reporting: True, Located: True

Current AQI: 106.0

Modesto CA, US: 37.6583, -120.9936

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 18, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.34 ppb (4) 69.0 μg/m3 (57) 38.0 μg/m3 (106) 106.0
 
Nov. 18, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.54 ppb (6) 74.0 μg/m3 (60) 34.0 μg/m3 (97) 97.0
 
Nov. 18, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.62 ppb (7) 73.0 μg/m3 (59) 34.0 μg/m3 (97) 97.0
 
Nov. 18, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.92 ppb (10) 99.0 μg/m3 (72) 51.0 μg/m3 (139) 139.0
 
Nov. 18, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.18 ppb (13) 140.0 μg/m3 (92) 75.0 μg/m3 (160) 160.0
 
Nov. 18, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.97 ppb (11) 107.0 μg/m3 (76) 38.0 μg/m3 (106) 106.0
 
Nov. 18, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.64 ppb (7) 61.0 μg/m3 (53) 28.0 μg/m3 (84) 84.0
 
Nov. 18, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.48 ppb (5) 59.0 μg/m3 (52) 23.0 μg/m3 (73) 73.0
 
Nov. 18, 2019, midnight N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.29 ppb (3) 50.0 μg/m3 (45) 20.0 μg/m3 (67) 67.0
 
Nov. 17, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.26 ppb (3) 59.0 μg/m3 (52) 18.0 μg/m3 (63) 63.0
 
Nov. 17, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.26 ppb (3) 46.0 μg/m3 (42) 21.0 μg/m3 (69) 69.0
 
Nov. 17, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (42) 0.25 ppb (3) 43.0 μg/m3 (39) 17.0 μg/m3 (61) 61.0
 
Nov. 17, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) 0.27 ppb (3) 53.0 μg/m3 (48) 16.0 μg/m3 (59) 59.0
 
Nov. 17, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.29 ppb (3) 54.0 μg/m3 (49) 26.0 μg/m3 (80) 80.0
 
Nov. 17, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.31 ppb (3) 59.0 μg/m3 (52) 24.0 μg/m3 (76) 76.0
 
Nov. 17, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.3 ppb (3) 49.0 μg/m3 (45) 24.0 μg/m3 (76) 76.0
 
Nov. 17, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.32 ppb (4) 41.0 μg/m3 (37) 21.0 μg/m3 (69) 69.0
 
Nov. 17, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.4 ppb (4) 38.0 μg/m3 (35) 18.0 μg/m3 (63) 63.0
 
Nov. 17, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) 0.39 ppb (4) 33.0 μg/m3 (30) 14.0 μg/m3 (54) 54.0
 
Nov. 17, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.33 ppb (4) 34.0 μg/m3 (31) 19.0 μg/m3 (65) 65.0
 
Nov. 17, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (32) 22.0 μg/m3 (71) 71.0
 
Nov. 17, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 45.0 μg/m3 (41) 22.0 μg/m3 (71) 71.0
 
Nov. 17, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.32 ppb (4) 46.0 μg/m3 (42) 22.0 μg/m3 (71) 71.0
 
Nov. 17, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.38 ppb (4) 48.0 μg/m3 (44) 23.0 μg/m3 (73) 73.0
 
Nov. 17, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.57 ppb (6) 52.0 μg/m3 (47) 31.0 μg/m3 (90) 90.0
 
Nov. 17, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.57 ppb (6) 57.0 μg/m3 (51) 33.0 μg/m3 (95) 95.0
 
Nov. 17, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.81 ppb (9) 70.0 μg/m3 (58) 40.0 μg/m3 (111) 111.0
 
Nov. 17, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.09 ppb (12) 72.0 μg/m3 (58) 39.0 μg/m3 (109) 109.0
 
Nov. 17, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (14) 76.0 μg/m3 (60) 39.0 μg/m3 (109) 109.0
 
Nov. 17, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.14 ppb (13) 66.0 μg/m3 (56) 30.0 μg/m3 (88) 88.0
 
Nov. 17, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.93 ppb (10) 64.0 μg/m3 (54) 22.0 μg/m3 (71) 71.0
 
Nov. 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.55 ppb (6) 43.0 μg/m3 (39) 17.0 μg/m3 (61) 61.0
 
Nov. 17, 2019, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.3 ppb (3) 35.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
Nov. 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.22 ppb (2) 29.0 μg/m3 (26) 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) 0.23 ppb (3) 36.0 μg/m3 (33) 10.0 μg/m3 (42) 42.0
 
Nov. 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.22 ppb (2) 37.0 μg/m3 (34) 15.0 μg/m3 (56) 56.0
 
Nov. 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) 0.25 ppb (3) 42.0 μg/m3 (38) 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.31 ppb (3) 52.0 μg/m3 (47) 21.0 μg/m3 (69) 69.0
 
Nov. 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.41 ppb (5) 61.0 μg/m3 (53) 29.0 μg/m3 (86) 86.0
 
Nov. 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.44 ppb (5) 63.0 μg/m3 (54) 28.0 μg/m3 (84) 84.0
 
Nov. 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.43 ppb (5) 58.0 μg/m3 (52) 30.0 μg/m3 (88) 88.0
 
Nov. 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.48 ppb (5) 57.0 μg/m3 (51) 23.0 μg/m3 (73) 73.0
 
Nov. 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.54 ppb (6) 54.0 μg/m3 (49) 26.0 μg/m3 (80) 80.0
 
Nov. 16, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.53 ppb (6) 46.0 μg/m3 (42) 23.0 μg/m3 (73) 73.0
 
Nov. 16, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (34) 21.0 μg/m3 (69) 69.0
 
Nov. 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 32.0 μg/m3 (29) 17.0 μg/m3 (61) 61.0
 
Nov. 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.52 ppb (6) 32.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.49 ppb (5) 25.0 μg/m3 (23) 14.0 μg/m3 (54) 54.0
 
Nov. 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.42 ppb (5) 31.0 μg/m3 (28) 15.0 μg/m3 (56) 56.0
 
Nov. 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.48 ppb (5) 42.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
Nov. 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.41 ppb (5) 37.0 μg/m3 (34) 13.0 μg/m3 (52) 52.0
 
Nov. 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.34 ppb (4) 35.0 μg/m3 (32) 15.0 μg/m3 (56) 56.0
 
Nov. 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.34 ppb (4) 39.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Nov. 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.3 ppb (3) 48.0 μg/m3 (44) 7.0 μg/m3 (29) 44.0
 
Nov. 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.38 ppb (4) 47.0 μg/m3 (43) 11.0 μg/m3 (46) 46.0
 
Nov. 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.37 ppb (4) 44.0 μg/m3 (40) 4.0 μg/m3 (17) 40.0
 
Nov. 16, 2019, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.26 ppb (3) 38.0 μg/m3 (35) 7.0 μg/m3 (29) 35.0
 
Nov. 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) 0.24 ppb (3) 44.0 μg/m3 (40) 12.0 μg/m3 (50) 50.0
 
Nov. 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.19 ppb (2) 37.0 μg/m3 (34) 2.0 μg/m3 (8) 34.0
 
Nov. 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.18 ppb (2) 32.0 μg/m3 (29) 3.0 μg/m3 (12) 29.0
 
Nov. 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.18 ppb (2) 33.0 μg/m3 (30) 5.0 μg/m3 (21) 30.0
 
Nov. 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.18 ppb (2) 25.0 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.17 ppb (2) 18.0 μg/m3 (16) 3.0 μg/m3 (12) 22.0
 
Nov. 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) 0.17 ppb (2) 12.0 μg/m3 (11) 2.0 μg/m3 (8) 18.0
 
Nov. 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.23 ppb (3) 21.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.23 ppb (3) 26.0 μg/m3 (24) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.18 ppb (2) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.13 ppb (1) 6.0 μg/m3 (5) 2.0 μg/m3 (8) 17.0
 
Nov. 15, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 9.0
 
Nov. 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 8.0 μg/m3 (7) 3.0 μg/m3 (12) 18.0
 
Nov. 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.14 ppb (2) 8.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.15 ppb (2) 13.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.16 ppb (2) 18.0 μg/m3 (16) 8.0 μg/m3 (33) 33.0
 
Nov. 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) 0.17 ppb (2) 22.0 μg/m3 (20) 10.0 μg/m3 (42) 42.0
 
Nov. 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.2 ppb (2) 24.0 μg/m3 (22) 6.0 μg/m3 (25) 25.0
 
Nov. 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) 0.21 ppb (2) 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.22 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.22 ppb (2) 29.0 μg/m3 (26) 7.0 μg/m3 (29) 29.0
 
Nov. 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.22 ppb (2) 23.0 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
Nov. 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.21 ppb (2) 30.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
Nov. 15, 2019, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) 0.2 ppb (2) N/A N/A 25.0
 
Nov. 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) 0.22 ppb (2) 42.0 μg/m3 (38) 8.0 μg/m3 (33) 38.0
 
Nov. 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.24 ppb (3) 41.0 μg/m3 (37) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.24 ppb (3) 46.0 μg/m3 (42) 12.0 μg/m3 (50) 50.0
 
Nov. 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) 0.23 ppb (3) 36.0 μg/m3 (33) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) 0.25 ppb (3) 49.0 μg/m3 (45) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) 0.25 ppb (3) 53.0 μg/m3 (48) 15.0 μg/m3 (56) 56.0
 
Nov. 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) 0.25 ppb (3) 39.0 μg/m3 (35) 17.0 μg/m3 (61) 61.0
 
Nov. 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) 0.25 ppb (3) 37.0 μg/m3 (34) 11.0 μg/m3 (46) 46.0
 
Nov. 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.26 ppb (3) 45.0 μg/m3 (41) 14.0 μg/m3 (54) 54.0
 
Nov. 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.24 ppb (3) 26.0 μg/m3 (24) 10.0 μg/m3 (42) 42.0
 
Nov. 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.22 ppb (2) 29.0 μg/m3 (26) 17.0 μg/m3 (61) 61.0
 
Nov. 14, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (35) 19.0 μg/m3 (65) 65.0
 
Nov. 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 42.0 μg/m3 (38) 19.0 μg/m3 (65) 65.0
 
Nov. 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.3 ppb (3) 49.0 μg/m3 (45) 28.0 μg/m3 (84) 84.0
 
Nov. 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.29 ppb (3) 47.0 μg/m3 (43) 26.0 μg/m3 (80) 80.0
 
Nov. 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) 0.41 ppb (5) 77.0 μg/m3 (61) 27.0 μg/m3 (82) 82.0
 
Nov. 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) 0.59 ppb (7) 94.0 μg/m3 (70) 34.0 μg/m3 (97) 97.0
 
Nov. 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.59 ppb (7) 92.0 μg/m3 (68) 36.0 μg/m3 (101) 101.0
 
Nov. 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.61 ppb (7) 93.0 μg/m3 (69) 32.0 μg/m3 (93) 93.0
 
Nov. 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) 0.59 ppb (7) 95.0 μg/m3 (70) 32.0 μg/m3 (93) 93.0
 
Nov. 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) 0.48 ppb (5) 103.0 μg/m3 (74) 35.0 μg/m3 (99) 99.0
 
Nov. 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.89 ppb (10) 95.0 μg/m3 (70) 30.0 μg/m3 (88) 88.0
 
Nov. 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.83 ppb (9) 94.0 μg/m3 (70) 28.0 μg/m3 (84) 84.0
 
Nov. 14, 2019, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (38) 0.48 ppb (5) 82.0 μg/m3 (64) 24.0 μg/m3 (76) 76.0
 
Nov. 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (45) 0.39 ppb (4) 84.0 μg/m3 (64) 26.0 μg/m3 (80) 80.0
 
Nov. 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.37 ppb (4) 82.0 μg/m3 (64) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (45) 0.37 ppb (4) 79.0 μg/m3 (62) 25.0 μg/m3 (78) 78.0
 
Nov. 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) 0.37 ppb (4) 79.0 μg/m3 (62) 23.0 μg/m3 (73) 73.0
 
Nov. 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) 0.44 ppb (5) 114.0 μg/m3 (80) 38.0 μg/m3 (106) 106.0
 
Nov. 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.6 ppb (7) 150.0 μg/m3 (98) 52.0 μg/m3 (141) 141.0
 
Nov. 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) 0.59 ppb (7) 133.0 μg/m3 (89) 45.0 μg/m3 (124) 124.0
 
Nov. 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.65 ppb (7) 124.0 μg/m3 (84) 43.0 μg/m3 (119) 119.0
 
Nov. 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.74 ppb (8) 97.0 μg/m3 (71) 32.0 μg/m3 (93) 93.0
 
Nov. 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) 0.71 ppb (8) 88.0 μg/m3 (66) 35.0 μg/m3 (99) 99.0
 
Nov. 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.54 ppb (6) 78.0 μg/m3 (62) 33.0 μg/m3 (95) 95.0
 
Nov. 13, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (64) 34.0 μg/m3 (97) 97.0
 
Nov. 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 74.0 μg/m3 (60) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.6 ppb (7) 71.0 μg/m3 (58) 33.0 μg/m3 (95) 95.0
 
Nov. 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.54 ppb (6) 77.0 μg/m3 (61) 31.0 μg/m3 (90) 90.0
 
Nov. 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 73.0 μg/m3 (59) 29.0 μg/m3 (86) 86.0
 
Nov. 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) 0.46 ppb (5) 91.0 μg/m3 (68) 29.0 μg/m3 (86) 86.0
 
Nov. 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.49 ppb (5) 94.0 μg/m3 (70) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.45 ppb (5) 110.0 μg/m3 (78) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) 0.44 ppb (5) 121.0 μg/m3 (83) 29.0 μg/m3 (86) 86.0
 
Nov. 13, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) 0.43 ppb (5) 129.0 μg/m3 (87) 29.0 μg/m3 (86) 87.0
 
Nov. 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.47 ppb (5) 123.0 μg/m3 (84) 30.0 μg/m3 (88) 88.0
 
Nov. 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.52 ppb (6) 126.0 μg/m3 (86) 33.0 μg/m3 (95) 95.0
 
Nov. 13, 2019, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) 0.46 ppb (5) 94.0 μg/m3 (70) 28.0 μg/m3 (84) 84.0
 
Nov. 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (46) 0.33 ppb (4) 90.0 μg/m3 (68) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.32 ppb (4) 90.0 μg/m3 (68) 26.0 μg/m3 (80) 80.0
 
Nov. 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.31 ppb (3) 81.0 μg/m3 (63) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) 0.33 ppb (4) 91.0 μg/m3 (68) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) 0.36 ppb (4) 99.0 μg/m3 (72) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) 0.33 ppb (4) 96.0 μg/m3 (70) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.45 ppb (5) 112.0 μg/m3 (78) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) 0.54 ppb (6) 99.0 μg/m3 (72) 23.0 μg/m3 (73) 73.0
 
Nov. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.49 ppb (5) 97.0 μg/m3 (71) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) 0.44 ppb (5) 76.0 μg/m3 (60) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) 0.42 ppb (5) 74.0 μg/m3 (60) 26.0 μg/m3 (80) 80.0
 
Nov. 12, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 24.0 μg/m3 (76) 76.0
 
Nov. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 81.0 μg/m3 (63) 32.0 μg/m3 (93) 93.0
 
Nov. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) 0.38 ppb (4) 84.0 μg/m3 (64) 34.0 μg/m3 (97) 97.0
 
Nov. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) 0.5 ppb (6) 91.0 μg/m3 (68) 37.0 μg/m3 (104) 104.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.71 ppb (8) 98.0 μg/m3 (72) 38.0 μg/m3 (106) 106.0
 
Nov. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.8 ppb (9) 88.0 μg/m3 (66) 35.0 μg/m3 (99) 99.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.08 ppb (12) 98.0 μg/m3 (72) 33.0 μg/m3 (95) 95.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.21 ppb (13) 79.0 μg/m3 (62) 31.0 μg/m3 (90) 90.0
 
Nov. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.42 ppb (16) 80.0 μg/m3 (62) 27.0 μg/m3 (82) 82.0
 
Nov. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 1.38 ppb (15) 85.0 μg/m3 (65) 28.0 μg/m3 (84) 84.0
 
Nov. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 1.3 ppb (14) 89.0 μg/m3 (67) 25.0 μg/m3 (78) 78.0
 
Nov. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) 0.93 ppb (10) 72.0 μg/m3 (58) 19.0 μg/m3 (65) 65.0
 
Nov. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) 0.36 ppb (4) 51.0 μg/m3 (46) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.28 ppb (3) 48.0 μg/m3 (44) 15.0 μg/m3 (56) 56.0
 
Nov. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (50) 0.28 ppb (3) 59.0 μg/m3 (52) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (48) 0.29 ppb (3) 57.0 μg/m3 (51) 16.0 μg/m3 (59) 59.0
 
Nov. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (44) 0.32 ppb (4) 70.0 μg/m3 (58) 22.0 μg/m3 (71) 71.0
 
Nov. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) 0.37 ppb (4) 86.0 μg/m3 (66) 27.0 μg/m3 (82) 82.0
 
Nov. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) 0.49 ppb (5) 82.0 μg/m3 (64) 29.0 μg/m3 (86) 86.0
 
Nov. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) 0.41 ppb (5) 59.0 μg/m3 (52) 21.0 μg/m3 (69) 69.0
 
Nov. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) 0.43 ppb (5) 55.0 μg/m3 (50) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) 0.62 ppb (7) 64.0 μg/m3 (54) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) 0.5 ppb (6) 54.0 μg/m3 (49) 17.0 μg/m3 (61) 61.0
 
Nov. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) 0.5 ppb (6) 41.0 μg/m3 (37) 20.0 μg/m3 (67) 67.0
 
Nov. 11, 2019, noon N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (46) 23.0 μg/m3 (73) 73.0
 
Nov. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 48.0 μg/m3 (44) 18.0 μg/m3 (63) 63.0
 
Nov. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) 0.52 ppb (6) 51.0 μg/m3 (46) 26.0 μg/m3 (80) 80.0
 
Nov. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) 0.65 ppb (7) 62.0 μg/m3 (54) 28.0 μg/m3 (84) 84.0