ID: 2504

AQSQID: 110010051

Site Name: Dcnearroad

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

Updated: July 7, 2020, 9:34 a.m.

Location: Washington (Riv Terrace), DC

Reporting: True, Located: True

Current AQI: 38.0

Washington (Riv Terrace) DC, US: 38.894749, -76.953427

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 7, 2020, 8 a.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.29 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
July 7, 2020, 7 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.11 ppb (1) N/A 1.0 μg/m3 (4) 4.0
 
July 7, 2020, 6 a.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.12 ppb (1) N/A 2.0 μg/m3 (8) 8.0
 
July 7, 2020, 5 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 7, 2020, 4 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 7, 2020, 3 a.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A -1.0 μg/m3 (0) 3.0
 
July 7, 2020, 2 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.17 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 7, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 7, 2020, midnight N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.29 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 11 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A N/A 4.0
 
July 6, 2020, 10 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 27.0 μg/m3 (82) 82.0
 
July 6, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.33 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
July 6, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.29 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
July 6, 2020, 7 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.27 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 6 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
July 6, 2020, 5 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.28 ppb (3) N/A 22.0 μg/m3 (71) 71.0
 
July 6, 2020, 4 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.23 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
July 6, 2020, 3 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.26 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 2 p.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.3 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.32 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, noon N/A N/A N/A 17.0 ppb (16) N/A N/A N/A 0.46 ppb (5) N/A 20.0 μg/m3 (67) 67.0
 
July 6, 2020, 11 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.46 ppb (5) N/A 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.5 ppb (6) N/A 16.0 μg/m3 (59) 59.0
 
July 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (63) 63.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
July 6, 2020, 7 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
July 6, 2020, 6 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 6, 2020, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.34 ppb (4) N/A 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 4 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.4 ppb (4) N/A 17.0 μg/m3 (61) 61.0
 
July 6, 2020, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.45 ppb (5) N/A 21.0 μg/m3 (69) 69.0
 
July 6, 2020, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.64 ppb (7) N/A 31.0 μg/m3 (90) 90.0
 
July 6, 2020, 1 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.51 ppb (6) N/A 25.0 μg/m3 (78) 78.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A N/A 0.53 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.36 ppb (4) N/A 16.0 μg/m3 (59) 59.0
 
July 5, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.33 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 5, 2020, 9 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 19.0 μg/m3 (65) 65.0
 
July 5, 2020, 8 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 5, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 21.0 μg/m3 (69) 69.0
 
July 5, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.28 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 5, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 21.0 μg/m3 (69) 69.0
 
July 5, 2020, 4 p.m. N/A N/A N/A 1.0 ppb (1) N/A N/A N/A 0.12 ppb (1) N/A 15.0 μg/m3 (56) 56.0
 
July 5, 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 18.0 μg/m3 (63) 63.0
 
July 5, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
July 5, 2020, 1 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 14.0 μg/m3 (54) 54.0
 
July 5, 2020, noon N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.12 ppb (1) N/A 16.0 μg/m3 (59) 59.0
 
July 5, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.24 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
July 5, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.23 ppb (3) N/A 16.0 μg/m3 (59) 59.0
 
July 5, 2020, 9 a.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
July 5, 2020, 8 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
July 5, 2020, 7 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.26 ppb (3) N/A 22.0 μg/m3 (71) 71.0
 
July 5, 2020, 6 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 26.0 μg/m3 (80) 80.0
 
July 5, 2020, 5 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.51 ppb (6) N/A 50.0 μg/m3 (136) 136.0
 
July 5, 2020, 4 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.77 ppb (9) N/A 108.0 μg/m3 (178) 178.0
 
July 5, 2020, 3 a.m. N/A N/A N/A 29.0 ppb (27) N/A N/A N/A 1.02 ppb (11) N/A 513.0 μg/m3 (508) 508.0
 
July 5, 2020, 2 a.m. N/A N/A N/A 31.0 ppb (29) N/A N/A N/A 0.92 ppb (10) N/A 670.0 μg/m3 (613) 613.0
 
July 5, 2020, 1 a.m. N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 0.91 ppb (10) N/A 446.0 μg/m3 (464) 464.0
 
July 5, 2020, midnight N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.57 ppb (6) N/A 32.0 μg/m3 (93) 93.0
 
July 4, 2020, 11 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.52 ppb (6) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 10 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.42 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
July 4, 2020, 9 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.35 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.32 ppb (4) N/A -4.0 μg/m3 (0) 5.0
 
July 4, 2020, 7 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 14.0 μg/m3 (54) 54.0
 
July 4, 2020, 6 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.23 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.28 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 4 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.32 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 4, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.21 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
July 4, 2020, 1 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.37 ppb (4) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, noon N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.35 ppb (4) N/A 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.44 ppb (5) N/A 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 10 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.39 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 4, 2020, 9 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.28 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 4, 2020, 8 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.26 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 4, 2020, 7 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.39 ppb (4) N/A 14.0 μg/m3 (54) 54.0
 
July 4, 2020, 6 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.22 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 5 a.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.23 ppb (3) N/A 15.0 μg/m3 (56) 56.0
 
July 4, 2020, 4 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.31 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 4, 2020, 3 a.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.34 ppb (4) N/A 18.0 μg/m3 (63) 63.0
 
July 4, 2020, 2 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.57 ppb (6) N/A 22.0 μg/m3 (71) 71.0
 
July 4, 2020, 1 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.3 ppb (3) N/A 17.0 μg/m3 (61) 61.0
 
July 4, 2020, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.2 ppb (2) N/A 15.0 μg/m3 (56) 56.0
 
July 3, 2020, 11 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 3, 2020, 9 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.19 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 8 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
July 3, 2020, 7 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
July 3, 2020, 6 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.17 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 5 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.17 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
July 3, 2020, 4 p.m. N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 0.18 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 3 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.22 ppb (2) N/A 19.0 μg/m3 (65) 65.0
 
July 3, 2020, 2 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.18 ppb (2) N/A 16.0 μg/m3 (59) 59.0
 
July 3, 2020, 1 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.19 ppb (2) N/A 18.0 μg/m3 (63) 63.0
 
July 3, 2020, noon N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.18 ppb (2) N/A 14.0 μg/m3 (54) 54.0
 
July 3, 2020, 11 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, 10 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A N/A N/A 10.0 μg/m3 (42) 42.0
 
July 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 3, 2020, 6 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.49 ppb (5) N/A 16.0 μg/m3 (59) 59.0
 
July 3, 2020, 5 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.59 ppb (7) N/A 15.0 μg/m3 (56) 56.0
 
July 3, 2020, 4 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.84 ppb (9) N/A 21.0 μg/m3 (69) 69.0
 
July 3, 2020, 3 a.m. N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 0.98 ppb (11) N/A 16.0 μg/m3 (59) 59.0
 
July 3, 2020, 2 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.48 ppb (5) N/A 19.0 μg/m3 (65) 65.0
 
July 3, 2020, 1 a.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.21 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 3, 2020, midnight N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.15 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 2, 2020, 11 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
July 2, 2020, 10 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 11.0 μg/m3 (46) 46.0
 
July 2, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.14 ppb (2) N/A 5.0 μg/m3 (21) 21.0
 
July 2, 2020, 8 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.19 ppb (2) N/A 12.0 μg/m3 (50) 50.0
 
July 2, 2020, 7 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.14 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 2, 2020, 6 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 5 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.14 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 2, 2020, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.2 ppb (2) N/A 3.0 μg/m3 (12) 12.0
 
July 2, 2020, 3 p.m. N/A N/A N/A 6.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 2, 2020, 2 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 2, 2020, 1 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
July 2, 2020, noon N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.18 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 2, 2020, 11 a.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.18 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 10 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.49 ppb (5) N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2020, 9 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 2, 2020, 8 a.m. N/A N/A N/A 21.0 ppb (19) N/A N/A N/A 0.52 ppb (6) N/A 12.0 μg/m3 (50) 50.0
 
July 2, 2020, 7 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.47 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 2, 2020, 6 a.m. N/A N/A N/A 24.0 ppb (22) N/A N/A N/A 0.69 ppb (8) N/A 21.0 μg/m3 (69) 69.0
 
July 2, 2020, 5 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.53 ppb (6) N/A 19.0 μg/m3 (65) 65.0
 
July 2, 2020, 4 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.52 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
July 2, 2020, 3 a.m. N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.64 ppb (7) N/A 18.0 μg/m3 (63) 63.0
 
July 2, 2020, 2 a.m. N/A N/A N/A 25.0 ppb (23) N/A N/A N/A 0.49 ppb (5) N/A 14.0 μg/m3 (54) 54.0
 
July 2, 2020, 1 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A N/A N/A 9.0 μg/m3 (38) 38.0
 
July 2, 2020, midnight N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.58 ppb (6) N/A 8.0 μg/m3 (33) 33.0
 
July 1, 2020, 11 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.44 ppb (5) N/A 11.0 μg/m3 (46) 46.0
 
July 1, 2020, 10 p.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.36 ppb (4) N/A 4.0 μg/m3 (17) 17.0
 
July 1, 2020, 9 p.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.4 ppb (4) N/A 2.0 μg/m3 (8) 10.0
 
July 1, 2020, 8 p.m. N/A N/A N/A 14.0 ppb (13) N/A N/A N/A 0.37 ppb (4) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2020, 7 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2020, 5 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.2 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2020, 4 p.m. N/A N/A N/A 9.0 ppb (8) N/A N/A N/A 0.23 ppb (3) N/A 13.0 μg/m3 (52) 52.0
 
July 1, 2020, 3 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.24 ppb (3) N/A 11.0 μg/m3 (46) 46.0
 
July 1, 2020, 2 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
July 1, 2020, 1 p.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.27 ppb (3) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2020, noon N/A N/A N/A 20.0 ppb (19) N/A N/A N/A 0.35 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 11 a.m. N/A N/A N/A 19.0 ppb (18) N/A N/A N/A 0.42 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 10 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.33 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
July 1, 2020, 9 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.35 ppb (4) N/A 6.0 μg/m3 (25) 25.0
 
July 1, 2020, 8 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 1, 2020, 7 a.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.17 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
July 1, 2020, 6 a.m. N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.22 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
July 1, 2020, 5 a.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.21 ppb (2) N/A 7.0 μg/m3 (29) 29.0
 
July 1, 2020, 4 a.m. N/A N/A N/A 12.0 ppb (11) N/A N/A N/A 0.35 ppb (4) N/A 8.0 μg/m3 (33) 33.0
 
July 1, 2020, 3 a.m. N/A N/A N/A 15.0 ppb (14) N/A N/A N/A 0.41 ppb (5) N/A 12.0 μg/m3 (50) 50.0
 
July 1, 2020, 2 a.m. N/A N/A N/A 16.0 ppb (15) N/A N/A N/A 0.48 ppb (5) N/A 15.0 μg/m3 (56) 56.0
 
July 1, 2020, 1 a.m. N/A N/A N/A 13.0 ppb (12) N/A N/A N/A 0.4 ppb (4) N/A 10.0 μg/m3 (42) 42.0
 
July 1, 2020, midnight N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.36 ppb (4) N/A 12.0 μg/m3 (50) 50.0
 
June 30, 2020, 11 p.m. N/A N/A N/A 8.0 ppb (7) N/A N/A N/A 0.34 ppb (4) N/A 7.0 μg/m3 (29) 29.0
 
June 30, 2020, 10 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.21 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2020, 9 p.m. N/A N/A N/A 3.0 ppb (3) N/A N/A N/A 0.13 ppb (1) N/A 12.0 μg/m3 (50) 50.0
 
June 30, 2020, 8 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.13 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2020, 7 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2020, 6 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2020, 5 p.m. N/A N/A N/A 5.0 ppb (5) N/A N/A N/A 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
June 30, 2020, 4 p.m. N/A N/A N/A 4.0 ppb (4) N/A N/A N/A 0.15 ppb (2) N/A 4.0 μg/m3 (17) 17.0
 
June 30, 2020, 3 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2020, 2 p.m. N/A N/A N/A 7.0 ppb (6) N/A N/A N/A 0.16 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
June 30, 2020, 1 p.m. N/A N/A N/A 10.0 ppb (9) N/A N/A N/A 0.18 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
June 30, 2020, noon N/A N/A N/A 11.0 ppb (10) N/A N/A N/A 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
June 30, 2020, 11 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A N/A N/A 8.0 μg/m3 (33) 33.0
 
June 30, 2020, 10 a.m. N/A N/A N/A 18.0 ppb (17) N/A N/A N/A 0.44 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
June 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) N/A 9.0 μg/m3 (38) 38.0