ID: 150

AQSQID: 060371201

Site Name: Reseda

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

Updated: Sept. 23, 2020, 12:40 p.m.

Location: Reseda (Reseda), CA

Reporting: True, Located: True

Current AQI: 54.0

Reseda (Reseda) CA, US: 34.1992, -118.5331

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 23, 2020, 11 a.m. 17.1 ppb (16) 0.7 ppb (1) N/A 16.0 ppb (15) N/A N/A 11.0 ppb (8) 0.54 ppb (6) N/A 13.8 μg/m3 (54) 54.0
 
Sept. 23, 2020, 10 a.m. 17.9 ppb (17) -0.1 ppb (0) N/A 18.0 ppb (17) N/A N/A 12.0 ppb (9) 0.58 ppb (6) N/A 14.1 μg/m3 (54) 54.0
 
Sept. 23, 2020, 9 a.m. 17.0 ppb (16) -0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 17.0 ppb (13) 0.56 ppb (6) N/A 15.9 μg/m3 (58) 58.0
 
Sept. 23, 2020, 8 a.m. 17.2 ppb (16) -0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 23.0 ppb (18) 0.58 ppb (6) N/A 23.3 μg/m3 (74) 74.0
 
Sept. 23, 2020, 7 a.m. 15.4 ppb (14) -0.3 ppb (0) N/A 16.0 ppb (15) N/A N/A 28.0 ppb (22) 0.53 ppb (6) N/A 21.5 μg/m3 (70) 70.0
 
Sept. 23, 2020, 6 a.m. 11.5 ppb (11) -0.6 ppb (0) N/A 12.0 ppb (11) N/A N/A 39.0 ppb (30) 0.48 ppb (5) N/A 27.0 μg/m3 (82) 82.0
 
Sept. 23, 2020, 5 a.m. 10.6 ppb (10) -0.6 ppb (0) N/A 11.0 ppb (10) N/A N/A 46.0 ppb (35) 0.47 ppb (5) N/A 22.3 μg/m3 (72) 72.0
 
Sept. 23, 2020, 4 a.m. 12.3 ppb (11) -0.6 ppb (0) N/A 13.0 ppb (12) N/A N/A 45.0 ppb (35) 0.44 ppb (5) N/A 11.4 μg/m3 (48) 48.0
 
Sept. 23, 2020, 3 a.m. 12.0 ppb (11) -0.7 ppb (0) N/A 13.0 ppb (12) N/A N/A 46.0 ppb (35) 0.41 ppb (5) N/A 18.7 μg/m3 (64) 64.0
 
Sept. 23, 2020, 2 a.m. 11.6 ppb (11) -0.9 ppb (0) N/A 12.0 ppb (11) N/A N/A 48.0 ppb (37) 0.42 ppb (5) N/A 11.6 μg/m3 (48) 48.0
 
Sept. 23, 2020, 1 a.m. 6.3 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 60.0 ppb (46) 0.33 ppb (4) N/A 10.4 μg/m3 (43) 46.0
 
Sept. 23, 2020, midnight 3.8 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 57.0 ppb (44) 0.23 ppb (3) N/A 5.8 μg/m3 (24) 44.0
 
Sept. 22, 2020, 11 p.m. 2.3 ppb (2) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) 0.19 ppb (2) N/A 3.3 μg/m3 (14) 43.0
 
Sept. 22, 2020, 10 p.m. 1.5 ppb (1) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.18 ppb (2) N/A 5.3 μg/m3 (22) 39.0
 
Sept. 22, 2020, 9 p.m. 2.3 ppb (2) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 59.0 ppb (45) 0.24 ppb (3) N/A 9.9 μg/m3 (41) 45.0
 
Sept. 22, 2020, 8 p.m. 3.7 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 80.0 ppb (62) 0.31 ppb (3) N/A 14.3 μg/m3 (55) 62.0
 
Sept. 22, 2020, 7 p.m. 6.3 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 84.0 ppb (66) 0.4 ppb (4) N/A 17.8 μg/m3 (62) 66.0
 
Sept. 22, 2020, 6 p.m. 8.8 ppb (8) 0.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 77.0 ppb (60) 0.47 ppb (5) N/A 27.2 μg/m3 (82) 82.0
 
Sept. 22, 2020, 5 p.m. 16.9 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A N/A 52.0 ppb (40) 0.6 ppb (7) N/A 29.8 μg/m3 (88) 88.0
 
Sept. 22, 2020, 4 p.m. 15.7 ppb (15) 3.0 ppb (3) N/A 13.0 ppb (12) N/A N/A 37.0 ppb (28) 0.52 ppb (6) N/A 24.8 μg/m3 (77) 77.0
 
Sept. 22, 2020, 3 p.m. 20.5 ppb (19) 5.4 ppb (5) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.58 ppb (6) N/A 35.5 μg/m3 (100) 100.0
 
Sept. 22, 2020, 2 p.m. 36.8 ppb (34) 16.0 ppb (15) N/A 21.0 ppb (19) N/A N/A 9.0 ppb (7) 0.71 ppb (8) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 22, 2020, 1 p.m. 33.8 ppb (31) 12.6 ppb (12) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.73 ppb (8) N/A 14.6 μg/m3 (56) 56.0
 
Sept. 22, 2020, noon 17.8 ppb (16) 2.7 ppb (3) N/A 15.0 ppb (14) N/A N/A 13.0 ppb (10) 0.53 ppb (6) N/A 18.1 μg/m3 (63) 63.0
 
Sept. 22, 2020, 11 a.m. 9.8 ppb (9) -0.6 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.39 ppb (4) N/A 21.2 μg/m3 (70) 70.0
 
Sept. 22, 2020, 10 a.m. 8.0 ppb (7) -0.5 ppb (0) N/A 9.0 ppb (8) N/A N/A 23.0 ppb (18) 0.38 ppb (4) N/A 15.6 μg/m3 (58) 58.0
 
Sept. 22, 2020, 9 a.m. 7.0 ppb (6) -0.8 ppb (0) N/A 8.0 ppb (7) N/A N/A 27.0 ppb (21) 0.36 ppb (4) N/A 13.4 μg/m3 (53) 53.0
 
Sept. 22, 2020, 8 a.m. 6.2 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 31.0 ppb (24) 0.34 ppb (4) N/A 13.1 μg/m3 (52) 52.0
 
Sept. 22, 2020, 7 a.m. 6.8 ppb (6) -0.7 ppb (0) N/A 8.0 ppb (7) N/A N/A 35.0 ppb (27) 0.36 ppb (4) N/A 14.6 μg/m3 (56) 56.0
 
Sept. 22, 2020, 6 a.m. 8.6 ppb (8) -0.7 ppb (0) N/A 9.0 ppb (8) N/A N/A 35.0 ppb (27) 0.41 ppb (5) N/A 16.6 μg/m3 (60) 60.0
 
Sept. 22, 2020, 5 a.m. 11.4 ppb (11) -0.7 ppb (0) N/A 12.0 ppb (11) N/A N/A 37.0 ppb (28) 0.45 ppb (5) N/A 15.1 μg/m3 (57) 57.0
 
Sept. 22, 2020, 4 a.m. 9.3 ppb (9) -0.7 ppb (0) N/A 10.0 ppb (9) N/A N/A 45.0 ppb (35) 0.4 ppb (4) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 22, 2020, 3 a.m. 7.7 ppb (7) -0.8 ppb (0) N/A 9.0 ppb (8) N/A N/A 49.0 ppb (38) 0.35 ppb (4) N/A 14.8 μg/m3 (56) 56.0
 
Sept. 22, 2020, 2 a.m. 6.0 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (6) N/A N/A 58.0 ppb (45) 0.33 ppb (4) N/A 15.6 μg/m3 (58) 58.0
 
Sept. 22, 2020, 1 a.m. 6.3 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 58.0 ppb (45) 0.31 ppb (3) N/A 18.0 μg/m3 (63) 63.0
 
Sept. 22, 2020, midnight 4.9 ppb (5) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 62.0 ppb (48) 0.3 ppb (3) N/A 7.3 μg/m3 (30) 48.0
 
Sept. 21, 2020, 11 p.m. 2.9 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 65.0 ppb (50) 0.27 ppb (3) N/A 4.5 μg/m3 (19) 50.0
 
Sept. 21, 2020, 10 p.m. 3.2 ppb (3) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 69.0 ppb (53) 0.28 ppb (3) N/A 8.9 μg/m3 (37) 53.0
 
Sept. 21, 2020, 9 p.m. 3.8 ppb (4) -0.3 ppb (0) N/A 4.0 ppb (4) N/A N/A 74.0 ppb (57) 0.32 ppb (4) N/A 12.3 μg/m3 (51) 57.0
 
Sept. 21, 2020, 8 p.m. 5.7 ppb (5) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 81.0 ppb (63) 0.4 ppb (4) N/A 20.7 μg/m3 (69) 69.0
 
Sept. 21, 2020, 7 p.m. 6.6 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 70.0 ppb (54) 0.42 ppb (5) N/A 20.5 μg/m3 (68) 68.0
 
Sept. 21, 2020, 6 p.m. 8.2 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (6) N/A N/A 56.0 ppb (43) 0.44 ppb (5) N/A 28.8 μg/m3 (86) 86.0
 
Sept. 21, 2020, 5 p.m. 10.4 ppb (10) 2.0 ppb (2) N/A 8.0 ppb (7) N/A N/A 38.0 ppb (29) 0.47 ppb (5) N/A 26.5 μg/m3 (81) 81.0
 
Sept. 21, 2020, 4 p.m. 14.5 ppb (13) 4.1 ppb (4) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.53 ppb (6) N/A 31.6 μg/m3 (92) 92.0
 
Sept. 21, 2020, 3 p.m. 14.4 ppb (13) 3.2 ppb (3) N/A 11.0 ppb (10) N/A N/A 19.0 ppb (15) 0.55 ppb (6) N/A 30.2 μg/m3 (89) 89.0
 
Sept. 21, 2020, 2 p.m. 14.1 ppb (13) 1.6 ppb (1) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.53 ppb (6) N/A 27.3 μg/m3 (83) 83.0
 
Sept. 21, 2020, 1 p.m. 11.4 ppb (11) 0.4 ppb (0) N/A 11.0 ppb (10) N/A N/A 14.0 ppb (11) 0.49 ppb (5) N/A 21.7 μg/m3 (71) 71.0
 
Sept. 21, 2020, noon 9.3 ppb (9) -0.3 ppb (0) N/A 10.0 ppb (9) N/A N/A 15.0 ppb (12) 0.42 ppb (5) N/A 14.4 μg/m3 (55) 55.0
 
Sept. 21, 2020, 11 a.m. 9.4 ppb (9) -0.6 ppb (0) N/A 10.0 ppb (9) N/A N/A 14.0 ppb (11) 0.42 ppb (5) N/A 18.8 μg/m3 (64) 64.0
 
Sept. 21, 2020, 10 a.m. 12.9 ppb (12) -0.2 ppb (0) N/A 13.0 ppb (12) N/A N/A 15.0 ppb (12) 0.52 ppb (6) N/A 16.6 μg/m3 (60) 60.0
 
Sept. 21, 2020, 9 a.m. 9.3 ppb (9) -0.6 ppb (0) N/A 10.0 ppb (9) N/A N/A 18.0 ppb (14) 0.44 ppb (5) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 21, 2020, 8 a.m. 7.2 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (7) N/A N/A 26.0 ppb (20) 0.4 ppb (4) N/A 17.8 μg/m3 (62) 62.0
 
Sept. 21, 2020, 7 a.m. 9.7 ppb (9) -0.5 ppb (0) N/A 10.0 ppb (9) N/A N/A 27.0 ppb (21) 0.46 ppb (5) N/A 17.4 μg/m3 (61) 61.0
 
Sept. 21, 2020, 6 a.m. 12.0 ppb (11) -0.5 ppb (0) N/A 12.0 ppb (11) N/A N/A 28.0 ppb (22) 0.5 ppb (6) N/A 24.3 μg/m3 (76) 76.0
 
Sept. 21, 2020, 5 a.m. 9.4 ppb (9) -0.7 ppb (0) N/A 10.0 ppb (9) N/A N/A 40.0 ppb (31) 0.47 ppb (5) N/A 15.6 μg/m3 (58) 58.0
 
Sept. 21, 2020, 4 a.m. 7.9 ppb (7) -0.8 ppb (0) N/A 9.0 ppb (8) N/A N/A 48.0 ppb (37) 0.44 ppb (5) N/A 22.6 μg/m3 (73) 73.0
 
Sept. 21, 2020, 3 a.m. 8.7 ppb (8) -0.8 ppb (0) N/A 10.0 ppb (9) N/A N/A 55.0 ppb (42) 0.48 ppb (5) N/A 17.8 μg/m3 (62) 62.0
 
Sept. 21, 2020, 2 a.m. 7.2 ppb (7) -0.7 ppb (0) N/A 8.0 ppb (7) N/A N/A 61.0 ppb (47) 0.37 ppb (4) N/A 12.4 μg/m3 (51) 51.0
 
Sept. 21, 2020, 1 a.m. 2.6 ppb (2) -0.9 ppb (0) N/A 3.0 ppb (3) N/A N/A 64.0 ppb (49) 0.29 ppb (3) N/A 9.4 μg/m3 (39) 49.0
 
Sept. 21, 2020, midnight 2.7 ppb (3) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (52) 0.29 ppb (3) N/A 17.3 μg/m3 (61) 61.0
 
Sept. 20, 2020, 11 p.m. 1.8 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (52) 0.28 ppb (3) N/A 10.6 μg/m3 (44) 52.0
 
Sept. 20, 2020, 10 p.m. 1.8 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (56) 0.28 ppb (3) N/A 10.2 μg/m3 (42) 56.0
 
Sept. 20, 2020, 9 p.m. 1.9 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 72.0 ppb (56) 0.27 ppb (3) N/A 9.4 μg/m3 (39) 56.0
 
Sept. 20, 2020, 8 p.m. 1.9 ppb (2) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (53) 0.24 ppb (3) N/A 11.6 μg/m3 (48) 53.0
 
Sept. 20, 2020, 7 p.m. 4.1 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 80.0 ppb (62) 0.37 ppb (4) N/A 13.9 μg/m3 (54) 62.0
 
Sept. 20, 2020, 6 p.m. 3.5 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 72.0 ppb (56) 0.37 ppb (4) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 5 p.m. 7.3 ppb (7) 0.3 ppb (0) N/A 7.0 ppb (6) N/A N/A 58.0 ppb (45) 0.45 ppb (5) N/A 18.3 μg/m3 (63) 63.0
 
Sept. 20, 2020, 4 p.m. 11.0 ppb (10) 1.3 ppb (1) N/A 10.0 ppb (9) N/A N/A 44.0 ppb (34) 0.49 ppb (5) N/A 21.0 μg/m3 (69) 69.0
 
Sept. 20, 2020, 3 p.m. 16.6 ppb (15) 3.6 ppb (3) N/A 13.0 ppb (12) N/A N/A 28.0 ppb (22) 0.56 ppb (6) N/A 14.8 μg/m3 (56) 56.0
 
Sept. 20, 2020, 2 p.m. 19.5 ppb (18) 4.4 ppb (4) N/A 15.0 ppb (14) N/A N/A 14.0 ppb (11) 0.65 ppb (7) N/A 10.9 μg/m3 (45) 45.0
 
Sept. 20, 2020, 1 p.m. 17.0 ppb (16) 0.8 ppb (1) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.62 ppb (7) N/A 9.4 μg/m3 (39) 39.0
 
Sept. 20, 2020, noon 18.3 ppb (17) 0.0 ppb (0) N/A 18.0 ppb (17) N/A N/A 10.0 ppb (8) 0.65 ppb (7) N/A 12.9 μg/m3 (52) 52.0
 
Sept. 20, 2020, 11 a.m. 25.2 ppb (23) 3.8 ppb (4) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.85 ppb (9) N/A 14.4 μg/m3 (55) 55.0
 
Sept. 20, 2020, 10 a.m. 26.2 ppb (24) 4.2 ppb (4) N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.88 ppb (10) N/A 20.8 μg/m3 (69) 69.0
 
Sept. 20, 2020, 9 a.m. 20.0 ppb (19) -0.4 ppb (0) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.73 ppb (8) N/A 19.3 μg/m3 (66) 66.0
 
Sept. 20, 2020, 8 a.m. 22.5 ppb (21) -0.1 ppb (0) N/A 23.0 ppb (21) N/A N/A 12.0 ppb (9) 0.78 ppb (9) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 20, 2020, 7 a.m. 24.5 ppb (23) -0.2 ppb (0) N/A 25.0 ppb (23) N/A N/A 14.0 ppb (11) 0.83 ppb (9) N/A 19.3 μg/m3 (66) 66.0
 
Sept. 20, 2020, 6 a.m. 21.5 ppb (20) -0.2 ppb (0) N/A 22.0 ppb (20) N/A N/A 18.0 ppb (14) 0.73 ppb (8) N/A 22.9 μg/m3 (73) 73.0
 
Sept. 20, 2020, 5 a.m. 14.8 ppb (14) -0.7 ppb (0) N/A 16.0 ppb (15) N/A N/A 35.0 ppb (27) 0.58 ppb (6) N/A 19.2 μg/m3 (65) 65.0
 
Sept. 20, 2020, 4 a.m. 12.6 ppb (12) -0.8 ppb (0) N/A 13.0 ppb (12) N/A N/A 38.0 ppb (29) 0.49 ppb (5) N/A 15.1 μg/m3 (57) 57.0
 
Sept. 20, 2020, 3 a.m. 12.8 ppb (12) -0.7 ppb (0) N/A 13.0 ppb (12) N/A N/A 39.0 ppb (30) 0.49 ppb (5) N/A 16.1 μg/m3 (59) 59.0
 
Sept. 20, 2020, 2 a.m. 9.1 ppb (8) -0.6 ppb (0) N/A 10.0 ppb (9) N/A N/A 47.0 ppb (36) 0.44 ppb (5) N/A 17.8 μg/m3 (62) 62.0
 
Sept. 20, 2020, 1 a.m. 4.9 ppb (5) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A 59.0 ppb (45) 0.32 ppb (4) N/A 21.5 μg/m3 (70) 70.0
 
Sept. 20, 2020, midnight 3.8 ppb (4) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 62.0 ppb (48) 0.26 ppb (3) N/A 4.3 μg/m3 (18) 48.0
 
Sept. 19, 2020, 11 p.m. 2.2 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 67.0 ppb (52) 0.22 ppb (2) N/A 2.6 μg/m3 (11) 52.0
 
Sept. 19, 2020, 10 p.m. 1.9 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 68.0 ppb (52) 0.2 ppb (2) N/A 8.2 μg/m3 (34) 52.0
 
Sept. 19, 2020, 9 p.m. 1.8 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 69.0 ppb (53) 0.21 ppb (2) N/A 12.1 μg/m3 (50) 53.0
 
Sept. 19, 2020, 8 p.m. 3.0 ppb (3) -0.5 ppb (0) N/A 4.0 ppb (4) N/A N/A 66.0 ppb (51) 0.25 ppb (3) N/A 14.3 μg/m3 (55) 55.0
 
Sept. 19, 2020, 7 p.m. 5.3 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 71.0 ppb (55) 0.31 ppb (3) N/A 16.1 μg/m3 (59) 59.0
 
Sept. 19, 2020, 6 p.m. 8.4 ppb (8) 0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 73.0 ppb (57) 0.38 ppb (4) N/A 18.8 μg/m3 (64) 64.0
 
Sept. 19, 2020, 5 p.m. 10.3 ppb (10) 0.7 ppb (1) N/A 10.0 ppb (9) N/A N/A 57.0 ppb (44) 0.43 ppb (5) N/A 18.8 μg/m3 (64) 64.0
 
Sept. 19, 2020, 4 p.m. 17.2 ppb (16) 2.2 ppb (2) N/A 15.0 ppb (14) N/A N/A 46.0 ppb (35) 0.63 ppb (7) N/A 34.2 μg/m3 (97) 97.0
 
Sept. 19, 2020, 3 p.m. 27.3 ppb (25) 7.0 ppb (6) N/A 20.0 ppb (19) N/A N/A 23.0 ppb (18) 0.74 ppb (8) N/A 23.6 μg/m3 (75) 75.0
 
Sept. 19, 2020, 2 p.m. 33.5 ppb (31) 12.9 ppb (12) N/A 21.0 ppb (19) N/A N/A 11.0 ppb (8) 0.76 ppb (8) N/A 25.3 μg/m3 (78) 78.0
 
Sept. 19, 2020, 1 p.m. 26.4 ppb (24) 6.7 ppb (6) N/A 20.0 ppb (19) N/A N/A 7.0 ppb (5) 0.77 ppb (9) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 19, 2020, noon 17.8 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 11.0 ppb (8) 0.58 ppb (6) N/A 20.3 μg/m3 (68) 68.0
 
Sept. 19, 2020, 11 a.m. 14.1 ppb (13) -0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 17.0 ppb (13) 0.5 ppb (6) N/A 17.8 μg/m3 (62) 62.0
 
Sept. 19, 2020, 10 a.m. 16.1 ppb (15) -0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 16.0 ppb (12) 0.57 ppb (6) N/A 22.3 μg/m3 (72) 72.0
 
Sept. 19, 2020, 9 a.m. 18.0 ppb (17) -0.5 ppb (0) N/A 19.0 ppb (18) N/A N/A 17.0 ppb (13) 0.67 ppb (7) N/A 28.0 μg/m3 (84) 84.0
 
Sept. 19, 2020, 8 a.m. 15.9 ppb (15) -0.4 ppb (0) N/A 16.0 ppb (15) N/A N/A 23.0 ppb (18) 0.65 ppb (7) N/A 23.3 μg/m3 (74) 74.0
 
Sept. 19, 2020, 7 a.m. 14.8 ppb (14) -0.6 ppb (0) N/A 15.0 ppb (14) N/A N/A 29.0 ppb (22) 0.61 ppb (7) N/A 28.3 μg/m3 (85) 85.0
 
Sept. 19, 2020, 6 a.m. 11.3 ppb (10) -0.7 ppb (0) N/A 12.0 ppb (11) N/A N/A 36.0 ppb (28) 0.51 ppb (6) N/A 25.5 μg/m3 (79) 79.0
 
Sept. 19, 2020, 5 a.m. 7.3 ppb (7) -0.9 ppb (0) N/A 8.0 ppb (7) N/A N/A 47.0 ppb (36) 0.42 ppb (5) N/A 24.8 μg/m3 (77) 77.0
 
Sept. 19, 2020, 4 a.m. 5.3 ppb (5) -0.9 ppb (0) N/A 6.0 ppb (6) N/A N/A 54.0 ppb (42) 0.37 ppb (4) N/A 24.5 μg/m3 (77) 77.0
 
Sept. 19, 2020, 3 a.m. 4.1 ppb (4) -1.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 60.0 ppb (46) 0.36 ppb (4) N/A 22.1 μg/m3 (71) 71.0
 
Sept. 19, 2020, 2 a.m. 4.8 ppb (4) -1.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 66.0 ppb (51) 0.39 ppb (4) N/A 25.8 μg/m3 (79) 79.0
 
Sept. 19, 2020, 1 a.m. 5.2 ppb (5) -0.7 ppb (0) N/A 6.0 ppb (6) N/A N/A 75.0 ppb (58) 0.37 ppb (4) N/A 24.0 μg/m3 (76) 76.0
 
Sept. 19, 2020, midnight 4.6 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 80.0 ppb (62) 0.33 ppb (4) N/A 17.8 μg/m3 (62) 62.0
 
Sept. 18, 2020, 11 p.m. 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 90.0 ppb (71) 0.35 ppb (4) N/A 28.2 μg/m3 (84) 84.0
 
Sept. 18, 2020, 10 p.m. 6.6 ppb (6) -0.4 ppb (0) N/A 7.0 ppb (6) N/A N/A 84.0 ppb (66) 0.31 ppb (3) N/A 13.6 μg/m3 (53) 66.0
 
Sept. 18, 2020, 9 p.m. 7.8 ppb (7) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 85.0 ppb (67) 0.34 ppb (4) N/A 11.6 μg/m3 (48) 67.0
 
Sept. 18, 2020, 8 p.m. 5.7 ppb (5) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 84.0 ppb (66) 0.3 ppb (3) N/A 12.1 μg/m3 (50) 66.0
 
Sept. 18, 2020, 7 p.m. 6.1 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 91.0 ppb (72) 0.37 ppb (4) N/A 13.1 μg/m3 (52) 72.0
 
Sept. 18, 2020, 6 p.m. 10.5 ppb (10) -0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 101.0 ppb (80) 0.56 ppb (6) N/A 28.5 μg/m3 (85) 85.0
 
Sept. 18, 2020, 5 p.m. 11.4 ppb (11) -0.1 ppb (0) N/A 11.0 ppb (10) N/A N/A 83.0 ppb (65) 0.63 ppb (7) N/A 32.4 μg/m3 (93) 93.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 24.7 μg/m3 (77) 77.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (59) 59.0
 
Sept. 18, 2020, 2 p.m. 47.6 ppb (44) 19.1 ppb (18) N/A 28.0 ppb (26) N/A N/A 9.0 ppb (7) 0.94 ppb (10) N/A 13.8 μg/m3 (54) 54.0
 
Sept. 18, 2020, 1 p.m. 36.0 ppb (33) 8.8 ppb (8) N/A 27.0 ppb (25) N/A N/A 7.0 ppb (5) 0.76 ppb (8) N/A 12.6 μg/m3 (51) 51.0
 
Sept. 18, 2020, noon 26.6 ppb (25) 3.7 ppb (3) N/A 23.0 ppb (21) N/A N/A 10.0 ppb (8) 0.63 ppb (7) N/A 18.3 μg/m3 (63) 63.0
 
Sept. 18, 2020, 11 a.m. 23.8 ppb (22) 1.3 ppb (1) N/A 22.0 ppb (20) N/A N/A 8.0 ppb (6) 0.69 ppb (8) N/A 14.1 μg/m3 (54) 54.0
 
Sept. 18, 2020, 10 a.m. 25.2 ppb (23) 1.9 ppb (2) N/A 23.0 ppb (21) N/A N/A 8.0 ppb (6) 0.77 ppb (9) N/A 14.6 μg/m3 (56) 56.0
 
Sept. 18, 2020, 9 a.m. 21.7 ppb (20) 0.0 ppb (0) N/A 22.0 ppb (20) N/A N/A 11.0 ppb (8) 0.64 ppb (7) N/A 16.3 μg/m3 (59) 59.0
 
Sept. 18, 2020, 8 a.m. 19.2 ppb (18) -0.2 ppb (0) N/A 19.0 ppb (18) N/A N/A 15.0 ppb (12) 0.55 ppb (6) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 18, 2020, 7 a.m. 16.8 ppb (16) -0.7 ppb (0) N/A 18.0 ppb (17) N/A N/A 22.0 ppb (17) 0.53 ppb (6) N/A 14.6 μg/m3 (56) 56.0
 
Sept. 18, 2020, 6 a.m. 20.0 ppb (19) -0.5 ppb (0) N/A 21.0 ppb (19) N/A N/A 21.0 ppb (16) 0.52 ppb (6) N/A 13.8 μg/m3 (54) 54.0
 
Sept. 18, 2020, 5 a.m. 21.1 ppb (20) -0.3 ppb (0) N/A 21.0 ppb (19) N/A N/A 26.0 ppb (20) 0.61 ppb (7) N/A 13.3 μg/m3 (53) 53.0
 
Sept. 18, 2020, 4 a.m. 16.6 ppb (15) -0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 34.0 ppb (26) 0.47 ppb (5) N/A 13.1 μg/m3 (52) 52.0
 
Sept. 18, 2020, 3 a.m. 11.8 ppb (11) -0.4 ppb (0) N/A 12.0 ppb (11) N/A N/A 41.0 ppb (32) 0.36 ppb (4) N/A 8.9 μg/m3 (37) 37.0
 
Sept. 18, 2020, 2 a.m. 5.6 ppb (5) -0.8 ppb (0) N/A 6.0 ppb (6) N/A N/A 47.0 ppb (36) 0.28 ppb (3) N/A 6.5 μg/m3 (27) 36.0
 
Sept. 18, 2020, 1 a.m. 8.1 ppb (8) -0.6 ppb (0) N/A 9.0 ppb (8) N/A N/A 49.0 ppb (38) 0.27 ppb (3) N/A 7.0 μg/m3 (29) 38.0
 
Sept. 18, 2020, midnight 8.1 ppb (8) -0.3 ppb (0) N/A 8.0 ppb (7) N/A N/A 60.0 ppb (46) 0.3 ppb (3) N/A 7.0 μg/m3 (29) 46.0
 
Sept. 17, 2020, 11 p.m. 6.0 ppb (6) -0.3 ppb (0) N/A 6.0 ppb (6) N/A N/A 68.0 ppb (52) 0.25 ppb (3) N/A 9.6 μg/m3 (40) 52.0
 
Sept. 17, 2020, 10 p.m. 4.2 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 78.0 ppb (61) 0.25 ppb (3) N/A 8.9 μg/m3 (37) 61.0
 
Sept. 17, 2020, 9 p.m. 5.4 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 79.0 ppb (62) 0.3 ppb (3) N/A 9.6 μg/m3 (40) 62.0
 
Sept. 17, 2020, 8 p.m. 6.8 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 89.0 ppb (70) 0.39 ppb (4) N/A 14.1 μg/m3 (54) 70.0
 
Sept. 17, 2020, 7 p.m. 7.7 ppb (7) -0.2 ppb (0) N/A 8.0 ppb (7) N/A N/A 83.0 ppb (65) 0.43 ppb (5) N/A 20.5 μg/m3 (68) 68.0
 
Sept. 17, 2020, 6 p.m. 14.8 ppb (14) 0.7 ppb (1) N/A 14.0 ppb (13) N/A N/A 68.0 ppb (52) 0.64 ppb (7) N/A 35.2 μg/m3 (99) 99.0
 
Sept. 17, 2020, 5 p.m. 23.6 ppb (22) 4.9 ppb (5) N/A 19.0 ppb (18) N/A N/A 41.0 ppb (32) 0.62 ppb (7) N/A 20.0 μg/m3 (67) 67.0
 
Sept. 17, 2020, 4 p.m. 46.0 ppb (43) 19.5 ppb (18) N/A 26.0 ppb (24) N/A N/A 18.0 ppb (14) 0.8 ppb (9) N/A 7.5 μg/m3 (31) 43.0
 
Sept. 17, 2020, 3 p.m. 47.6 ppb (44) 22.8 ppb (21) N/A 25.0 ppb (23) N/A N/A 10.0 ppb (8) 0.86 ppb (10) N/A 4.1 μg/m3 (17) 44.0
 
Sept. 17, 2020, 2 p.m. 41.9 ppb (39) 19.1 ppb (18) N/A 23.0 ppb (21) N/A N/A 7.0 ppb (5) 0.73 ppb (8) N/A 3.5 μg/m3 (15) 39.0
 
Sept. 17, 2020, 1 p.m. 32.4 ppb (30) 11.4 ppb (11) N/A 21.0 ppb (19) N/A N/A 6.0 ppb (5) 0.6 ppb (7) N/A 0.6 μg/m3 (2) 30.0
 
Sept. 17, 2020, noon 20.8 ppb (19) 3.4 ppb (3) N/A 17.0 ppb (16) N/A N/A 9.0 ppb (7) 0.41 ppb (5) N/A 4.1 μg/m3 (17) 19.0
 
Sept. 17, 2020, 11 a.m. 20.9 ppb (19) 2.5 ppb (2) N/A 18.0 ppb (17) N/A N/A 8.0 ppb (6) 0.46 ppb (5) N/A 9.6 μg/m3 (40) 40.0
 
Sept. 17, 2020, 10 a.m. 18.9 ppb (18) 0.1 ppb (0) N/A 19.0 ppb (18) N/A N/A 9.0 ppb (7) 0.47 ppb (5) N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2020, 9 a.m. 23.3 ppb (22) 1.6 ppb (1) N/A 22.0 ppb (20) N/A N/A 7.0 ppb (5) 0.53 ppb (6) N/A 11.4 μg/m3 (48) 48.0
 
Sept. 17, 2020, 8 a.m. 19.8 ppb (18) -0.1 ppb (0) N/A 20.0 ppb (19) N/A N/A 12.0 ppb (9) 0.5 ppb (6) N/A 10.2 μg/m3 (42) 42.0
 
Sept. 17, 2020, 7 a.m. 16.7 ppb (15) -0.7 ppb (0) N/A 17.0 ppb (16) N/A N/A 18.0 ppb (14) 0.38 ppb (4) N/A 5.5 μg/m3 (23) 23.0
 
Sept. 17, 2020, 2 a.m. 9.1 ppb (8) -0.7 ppb (0) N/A 10.0 ppb (9) N/A N/A 38.0 ppb (29) 0.28 ppb (3) N/A 6.3 μg/m3 (26) 29.0
 
Sept. 17, 2020, 1 a.m. 7.3 ppb (7) 0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 45.0 ppb (35) 0.22 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
Sept. 17, 2020, midnight 4.6 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.21 ppb (2) N/A 12.1 μg/m3 (50) 50.0
 
Sept. 16, 2020, 11 p.m. 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.2 ppb (2) N/A 13.3 μg/m3 (53) 53.0
 
Sept. 16, 2020, 10 p.m. 3.4 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 60.0 ppb (46) 0.21 ppb (2) N/A 14.1 μg/m3 (54) 54.0
 
Sept. 16, 2020, 9 p.m. 2.0 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 61.0 ppb (47) 0.22 ppb (2) N/A 9.6 μg/m3 (40) 47.0
 
Sept. 16, 2020, 8 p.m. 1.2 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 60.0 ppb (46) 0.2 ppb (2) N/A 11.8 μg/m3 (49) 49.0
 
Sept. 16, 2020, 7 p.m. 2.4 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 71.0 ppb (55) 0.29 ppb (3) N/A 16.3 μg/m3 (59) 59.0
 
Sept. 16, 2020, 6 p.m. 7.6 ppb (7) -0.1 ppb (0) N/A 8.0 ppb (7) N/A N/A 73.0 ppb (57) 0.45 ppb (5) N/A 23.3 μg/m3 (74) 74.0
 
Sept. 16, 2020, 5 p.m. 16.0 ppb (15) 1.4 ppb (1) N/A 15.0 ppb (14) N/A N/A 59.0 ppb (45) 0.59 ppb (7) N/A 34.1 μg/m3 (97) 97.0
 
Sept. 16, 2020, 4 p.m. 30.8 ppb (29) 6.4 ppb (6) N/A 24.0 ppb (22) N/A N/A 36.0 ppb (28) 0.75 ppb (8) N/A 23.3 μg/m3 (74) 74.0
 
Sept. 16, 2020, 3 p.m. 51.4 ppb (48) 19.6 ppb (18) N/A 32.0 ppb (30) N/A N/A 17.0 ppb (13) 0.93 ppb (10) N/A 22.9 μg/m3 (73) 73.0
 
Sept. 16, 2020, 2 p.m. 38.2 ppb (35) 10.3 ppb (10) N/A 28.0 ppb (26) N/A N/A 12.0 ppb (9) 0.79 ppb (9) N/A 19.0 μg/m3 (65) 65.0
 
Sept. 16, 2020, 1 p.m. 31.4 ppb (29) 7.0 ppb (6) N/A 24.0 ppb (22) N/A N/A 9.0 ppb (7) 0.73 ppb (8) N/A 14.9 μg/m3 (56) 56.0
 
Sept. 16, 2020, noon 24.4 ppb (23) 1.8 ppb (2) N/A 23.0 ppb (21) N/A N/A 11.0 ppb (8) 0.64 ppb (7) N/A 25.2 μg/m3 (78) 78.0
 
Sept. 16, 2020, 11 a.m. 20.8 ppb (19) 0.7 ppb (1) N/A 20.0 ppb (19) N/A N/A 13.0 ppb (10) 0.64 ppb (7) N/A 21.2 μg/m3 (70) 70.0
 
Sept. 16, 2020, 10 a.m. 16.2 ppb (15) -0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 20.0 ppb (15) 0.62 ppb (7) N/A 26.3 μg/m3 (80) 80.0
 
Sept. 16, 2020, 9 a.m. 14.5 ppb (13) -0.7 ppb (0) N/A 15.0 ppb (14) N/A N/A 24.0 ppb (18) 0.6 ppb (7) N/A 22.9 μg/m3 (73) 73.0
 
Sept. 16, 2020, 8 a.m. 16.3 ppb (15) -0.7 ppb (0) N/A 17.0 ppb (16) N/A N/A 24.0 ppb (18) 0.62 ppb (7) N/A 26.6 μg/m3 (81) 81.0