ID: 150

AQSQID: 060371201

Site Name: Reseda

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

Updated: Dec. 5, 2020, 11:41 a.m.

Location: Reseda (Reseda), CA

Reporting: True, Located: True

Current AQI: 72.0

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
Dec. 5, 2020, 10 a.m. 73.2 ppb (72) 45.2 ppb (43) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 1.27 ppb (15) N/A 21.4 μg/m3 (71) 72.0
 
Dec. 5, 2020, 9 a.m. 97.7 ppb (98) 68.3 ppb (67) N/A 29.0 ppb (28) N/A N/A 7.0 ppb (7) 1.65 ppb (19) N/A 28.5 μg/m3 (86) 98.0
 
Dec. 5, 2020, 8 a.m. 88.0 ppb (88) 55.5 ppb (53) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 1.57 ppb (19) N/A 33.7 μg/m3 (97) 97.0
 
Dec. 5, 2020, 7 a.m. 101.4 ppb (102) 67.1 ppb (65) N/A 34.0 ppb (33) N/A N/A 7.0 ppb (7) 1.66 ppb (20) N/A 34.4 μg/m3 (98) 102.0
 
Dec. 5, 2020, 6 a.m. 97.2 ppb (98) 61.7 ppb (60) N/A 35.0 ppb (34) N/A N/A 8.0 ppb (8) 1.57 ppb (19) N/A 25.6 μg/m3 (80) 98.0
 
Dec. 5, 2020, 5 a.m. 100.3 ppb (101) 63.0 ppb (61) N/A 37.0 ppb (35) N/A N/A 7.0 ppb (7) 1.82 ppb (21) N/A 23.9 μg/m3 (76) 101.0
 
Dec. 5, 2020, 4 a.m. 96.8 ppb (97) 58.5 ppb (56) N/A 38.0 ppb (36) N/A N/A 7.0 ppb (7) 1.55 ppb (19) N/A 22.4 μg/m3 (73) 97.0
 
Dec. 5, 2020, 3 a.m. 78.5 ppb (78) 37.0 ppb (35) N/A 41.0 ppb (39) N/A N/A 7.0 ppb (7) 1.28 ppb (15) N/A 26.2 μg/m3 (81) 81.0
 
Dec. 5, 2020, 2 a.m. 60.3 ppb (58) 14.9 ppb (15) N/A 45.0 ppb (43) N/A N/A 8.0 ppb (8) 1.18 ppb (14) N/A 19.2 μg/m3 (66) 66.0
 
Dec. 5, 2020, 1 a.m. 26.5 ppb (25) 1.4 ppb (2) N/A 25.0 ppb (24) N/A N/A 26.0 ppb (25) 0.56 ppb (7) N/A 3.7 μg/m3 (16) 25.0
 
Dec. 5, 2020, midnight 7.1 ppb (7) -0.5 ppb (0) N/A 8.0 ppb (8) N/A N/A 44.0 ppb (41) 0.26 ppb (4) N/A 4.0 μg/m3 (17) 41.0
 
Dec. 4, 2020, 11 p.m. 5.8 ppb (6) 0.0 ppb (0) N/A 6.0 ppb (6) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 2.4 μg/m3 (10) 43.0
 
Dec. 4, 2020, 10 p.m. 4.4 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 48.0 ppb (45) 0.2 ppb (3) N/A 6.4 μg/m3 (27) 45.0
 
Dec. 4, 2020, 9 p.m. 4.0 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 47.0 ppb (44) 0.18 ppb (3) N/A 13.2 μg/m3 (54) 54.0
 
Dec. 4, 2020, 8 p.m. 5.6 ppb (6) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 51.0 ppb (48) 0.2 ppb (3) N/A 23.7 μg/m3 (76) 76.0
 
Dec. 4, 2020, 7 p.m. 6.4 ppb (7) 1.0 ppb (1) N/A 5.0 ppb (5) N/A N/A 49.0 ppb (46) 0.21 ppb (3) N/A 7.8 μg/m3 (33) 46.0
 
Dec. 4, 2020, 6 p.m. 11.8 ppb (12) 2.7 ppb (3) N/A 9.0 ppb (9) N/A N/A 45.0 ppb (42) 0.25 ppb (3) N/A 7.8 μg/m3 (33) 42.0
 
Dec. 4, 2020, 5 p.m. 27.7 ppb (27) 9.1 ppb (9) N/A 19.0 ppb (18) N/A N/A 33.0 ppb (31) 0.45 ppb (6) N/A 10.6 μg/m3 (45) 45.0
 
Dec. 4, 2020, 4 p.m. 77.0 ppb (76) 41.6 ppb (40) N/A 35.0 ppb (34) N/A N/A 13.0 ppb (13) 1.01 ppb (12) N/A 14.0 μg/m3 (55) 76.0
 
Dec. 4, 2020, 3 p.m. 85.7 ppb (85) 48.0 ppb (46) N/A 38.0 ppb (36) N/A N/A 8.0 ppb (8) 1.16 ppb (14) N/A 11.6 μg/m3 (49) 85.0
 
Dec. 4, 2020, 2 p.m. 57.9 ppb (56) 23.6 ppb (23) N/A 34.0 ppb (33) N/A N/A 6.0 ppb (6) 0.77 ppb (10) N/A 8.5 μg/m3 (36) 56.0
 
Dec. 4, 2020, 1 p.m. 42.0 ppb (40) 11.7 ppb (12) N/A 30.0 ppb (29) N/A N/A 7.0 ppb (7) 0.6 ppb (7) N/A 7.8 μg/m3 (33) 40.0
 
Dec. 4, 2020, noon 28.3 ppb (27) 1.3 ppb (2) N/A 27.0 ppb (26) N/A N/A 9.0 ppb (9) 0.4 ppb (5) N/A 4.5 μg/m3 (19) 27.0
 
Dec. 4, 2020, 11 a.m. 19.6 ppb (19) -0.6 ppb (0) N/A 20.0 ppb (19) N/A N/A 15.0 ppb (14) 0.34 ppb (4) N/A 6.3 μg/m3 (27) 27.0
 
Dec. 4, 2020, 10 a.m. 15.4 ppb (15) -0.9 ppb (0) N/A 16.0 ppb (16) N/A N/A 21.0 ppb (20) 0.32 ppb (4) N/A 5.8 μg/m3 (25) 25.0
 
Dec. 4, 2020, 9 a.m. 11.1 ppb (11) -1.0 ppb (0) N/A 12.0 ppb (12) N/A N/A 28.0 ppb (26) 0.27 ppb (4) N/A 3.9 μg/m3 (17) 26.0
 
Dec. 4, 2020, 8 a.m. 12.9 ppb (13) -0.9 ppb (0) N/A 14.0 ppb (14) N/A N/A 28.0 ppb (26) 0.31 ppb (4) N/A 3.6 μg/m3 (16) 26.0
 
Dec. 4, 2020, 7 a.m. 14.2 ppb (14) -1.1 ppb (0) N/A 15.0 ppb (15) N/A N/A 28.0 ppb (26) 0.4 ppb (5) N/A 4.1 μg/m3 (18) 26.0
 
Dec. 4, 2020, 6 a.m. 8.0 ppb (8) -0.9 ppb (0) N/A 9.0 ppb (9) N/A N/A 38.0 ppb (36) 0.26 ppb (4) N/A 6.7 μg/m3 (28) 36.0
 
Dec. 4, 2020, 5 a.m. 7.2 ppb (7) -0.9 ppb (0) N/A 8.0 ppb (8) N/A N/A 40.0 ppb (38) 0.25 ppb (3) N/A 3.4 μg/m3 (15) 38.0
 
Dec. 4, 2020, 4 a.m. 2.0 ppb (2) -0.9 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.2 ppb (3) N/A 2.7 μg/m3 (12) 44.0
 
Dec. 4, 2020, 3 a.m. 3.1 ppb (3) -0.8 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.21 ppb (3) N/A 2.7 μg/m3 (12) 43.0
 
Dec. 4, 2020, 2 a.m. 3.7 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.2 ppb (3) N/A 4.7 μg/m3 (20) 42.0
 
Dec. 4, 2020, 1 a.m. 4.2 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.2 ppb (3) N/A 7.2 μg/m3 (31) 42.0
 
Dec. 4, 2020, midnight 3.8 ppb (4) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.19 ppb (3) N/A 7.0 μg/m3 (30) 43.0
 
Dec. 3, 2020, 11 p.m. 2.6 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.17 ppb (3) N/A 5.5 μg/m3 (23) 44.0
 
Dec. 3, 2020, 10 p.m. 2.4 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.17 ppb (3) N/A 6.2 μg/m3 (26) 44.0
 
Dec. 3, 2020, 9 p.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.16 ppb (3) N/A 6.2 μg/m3 (26) 44.0
 
Dec. 3, 2020, 8 p.m. 1.6 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (44) 0.16 ppb (3) N/A 7.1 μg/m3 (30) 44.0
 
Dec. 3, 2020, 7 p.m. 2.0 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (42) 0.16 ppb (3) N/A 8.1 μg/m3 (34) 42.0
 
Dec. 3, 2020, 6 p.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 5.1 μg/m3 (22) 41.0
 
Dec. 3, 2020, 5 p.m. 2.4 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 4.3 μg/m3 (18) 41.0
 
Dec. 3, 2020, 4 p.m. 1.8 ppb (2) -0.6 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (41) 0.16 ppb (3) N/A 2.8 μg/m3 (12) 41.0
 
Dec. 3, 2020, 3 p.m. 2.4 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 3.3 μg/m3 (14) 41.0
 
Dec. 3, 2020, 2 p.m. 1.9 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.15 ppb (2) N/A 6.1 μg/m3 (26) 41.0
 
Dec. 3, 2020, 1 p.m. 0.4 ppb (1) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) 0.14 ppb (2) N/A 7.9 μg/m3 (33) 42.0
 
Dec. 3, 2020, noon 0.3 ppb (1) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) 0.13 ppb (2) N/A 4.7 μg/m3 (20) 45.0
 
Dec. 3, 2020, 11 a.m. -0.2 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.13 ppb (2) N/A 3.2 μg/m3 (14) 48.0
 
Dec. 3, 2020, 10 a.m. -0.2 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 53.0 ppb (50) 0.14 ppb (2) N/A 3.7 μg/m3 (16) 50.0
 
Dec. 3, 2020, 9 a.m. -0.5 ppb (0) -1.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) 0.14 ppb (2) N/A 5.9 μg/m3 (25) 49.0
 
Dec. 3, 2020, 8 a.m. -0.3 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.14 ppb (2) N/A 6.0 μg/m3 (25) 48.0
 
Dec. 3, 2020, 7 a.m. -0.1 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.14 ppb (2) N/A 2.5 μg/m3 (11) 47.0
 
Dec. 3, 2020, 6 a.m. 0.3 ppb (1) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 50.0 ppb (47) 0.14 ppb (2) N/A 0.0 μg/m3 (0) 47.0
 
Dec. 3, 2020, 5 a.m. 1.3 ppb (2) -0.9 ppb (0) N/A 2.0 ppb (2) N/A N/A 49.0 ppb (46) 0.15 ppb (2) N/A 1.2 μg/m3 (5) 46.0
 
Dec. 3, 2020, 4 a.m. 0.9 ppb (1) -0.9 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.16 ppb (3) N/A 3.2 μg/m3 (14) 47.0
 
Dec. 3, 2020, 3 a.m. 1.6 ppb (2) -0.9 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (47) 0.18 ppb (3) N/A 2.0 μg/m3 (9) 47.0
 
Dec. 3, 2020, 2 a.m. 3.5 ppb (4) -0.7 ppb (0) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) 0.19 ppb (3) N/A 2.3 μg/m3 (10) 46.0
 
Dec. 3, 2020, 1 a.m. 5.0 ppb (5) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.21 ppb (3) N/A 5.2 μg/m3 (22) 44.0
 
Dec. 3, 2020, midnight 4.6 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 4.3 μg/m3 (18) 43.0
 
Dec. 2, 2020, 11 p.m. 4.5 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.18 ppb (3) N/A 3.0 μg/m3 (13) 44.0
 
Dec. 2, 2020, 10 p.m. 5.0 ppb (5) 0.2 ppb (1) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 4.7 μg/m3 (20) 41.0
 
Dec. 2, 2020, 9 p.m. 5.0 ppb (5) 0.5 ppb (1) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 3.0 μg/m3 (13) 43.0
 
Dec. 2, 2020, 8 p.m. 3.9 ppb (4) 0.4 ppb (1) N/A 4.0 ppb (4) N/A N/A 49.0 ppb (46) 0.18 ppb (3) N/A 5.4 μg/m3 (23) 46.0
 
Dec. 2, 2020, 7 p.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 47.0 ppb (44) 0.18 ppb (3) N/A 8.6 μg/m3 (36) 44.0
 
Dec. 2, 2020, 6 p.m. 28.3 ppb (27) 8.3 ppb (8) N/A 20.0 ppb (19) N/A N/A 32.0 ppb (30) 0.41 ppb (5) N/A 7.6 μg/m3 (32) 32.0
 
Dec. 2, 2020, 5 p.m. 57.6 ppb (55) 27.0 ppb (26) N/A 31.0 ppb (30) N/A N/A 21.0 ppb (20) 0.86 ppb (11) N/A 8.8 μg/m3 (37) 55.0
 
Dec. 2, 2020, 4 p.m. 94.2 ppb (94) 59.4 ppb (57) N/A 35.0 ppb (34) N/A N/A 10.0 ppb (10) 1.48 ppb (18) N/A 17.3 μg/m3 (62) 94.0
 
Dec. 2, 2020, 3 p.m. 98.7 ppb (99) 70.4 ppb (69) N/A 28.0 ppb (27) N/A N/A 7.0 ppb (7) 1.52 ppb (18) N/A 4.8 μg/m3 (20) 99.0
 
Dec. 2, 2020, 2 p.m. 71.8 ppb (70) 46.6 ppb (44) N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.95 ppb (11) N/A 1.3 μg/m3 (6) 70.0
 
Dec. 2, 2020, 1 p.m. 48.3 ppb (46) 23.4 ppb (23) N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.57 ppb (7) N/A 0.6 μg/m3 (3) 46.0
 
Dec. 2, 2020, noon 32.0 ppb (31) 7.7 ppb (8) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.49 ppb (6) N/A 0.9 μg/m3 (4) 31.0
 
Dec. 2, 2020, 11 a.m. 30.0 ppb (29) 4.1 ppb (4) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.49 ppb (6) N/A 4.6 μg/m3 (20) 29.0
 
Dec. 2, 2020, 10 a.m. 28.8 ppb (28) 2.2 ppb (3) N/A 27.0 ppb (26) N/A N/A 7.0 ppb (7) 0.56 ppb (7) N/A 5.6 μg/m3 (24) 28.0
 
Dec. 2, 2020, 9 a.m. 22.9 ppb (22) -0.3 ppb (0) N/A 23.0 ppb (22) N/A N/A 12.0 ppb (12) 0.41 ppb (5) N/A 5.4 μg/m3 (23) 23.0
 
Dec. 2, 2020, 8 a.m. 24.2 ppb (23) -0.1 ppb (0) N/A 24.0 ppb (23) N/A N/A 14.0 ppb (13) 0.46 ppb (6) N/A 5.9 μg/m3 (25) 25.0
 
Dec. 2, 2020, 7 a.m. 20.8 ppb (20) -0.8 ppb (0) N/A 22.0 ppb (21) N/A N/A 16.0 ppb (15) 0.45 ppb (6) N/A 4.2 μg/m3 (18) 21.0
 
Dec. 2, 2020, 6 a.m. 21.1 ppb (20) -0.6 ppb (0) N/A 22.0 ppb (21) N/A N/A 18.0 ppb (17) 0.47 ppb (6) N/A 2.7 μg/m3 (12) 21.0
 
Dec. 2, 2020, 5 a.m. 21.2 ppb (20) -0.5 ppb (0) N/A 22.0 ppb (21) N/A N/A 19.0 ppb (18) 0.47 ppb (6) N/A 4.0 μg/m3 (17) 21.0
 
Dec. 2, 2020, 4 a.m. 26.1 ppb (25) 0.7 ppb (1) N/A 25.0 ppb (24) N/A N/A 16.0 ppb (15) 0.57 ppb (7) N/A 7.5 μg/m3 (32) 32.0
 
Dec. 2, 2020, 3 a.m. 25.1 ppb (24) 1.5 ppb (2) N/A 24.0 ppb (23) N/A N/A 19.0 ppb (18) 0.5 ppb (6) N/A 5.2 μg/m3 (22) 24.0
 
Dec. 2, 2020, 2 a.m. 5.8 ppb (6) -0.8 ppb (0) N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) 0.22 ppb (3) N/A 1.3 μg/m3 (6) 36.0
 
Dec. 2, 2020, 1 a.m. 8.4 ppb (8) 0.0 ppb (0) N/A 8.0 ppb (8) N/A N/A 37.0 ppb (35) 0.25 ppb (3) N/A 1.8 μg/m3 (8) 35.0
 
Dec. 2, 2020, midnight 7.0 ppb (7) -0.1 ppb (0) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.23 ppb (3) N/A 3.7 μg/m3 (16) 37.0
 
Dec. 1, 2020, 11 p.m. 5.4 ppb (6) -0.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) 0.22 ppb (3) N/A 3.3 μg/m3 (14) 40.0
 
Dec. 1, 2020, 10 p.m. 5.1 ppb (5) 0.3 ppb (1) N/A 5.0 ppb (5) N/A N/A 45.0 ppb (42) 0.22 ppb (3) N/A 2.2 μg/m3 (10) 42.0
 
Dec. 1, 2020, 9 p.m. 4.3 ppb (5) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (43) 0.2 ppb (3) N/A 2.5 μg/m3 (11) 43.0
 
Dec. 1, 2020, 8 p.m. 4.8 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A N/A 45.0 ppb (42) 0.19 ppb (3) N/A 7.4 μg/m3 (31) 42.0
 
Dec. 1, 2020, 7 p.m. 11.0 ppb (11) 2.1 ppb (2) N/A 9.0 ppb (9) N/A N/A 41.0 ppb (38) 0.27 ppb (4) N/A 11.2 μg/m3 (47) 47.0
 
Dec. 1, 2020, 6 p.m. 20.1 ppb (19) 5.3 ppb (5) N/A 15.0 ppb (15) N/A N/A 35.0 ppb (33) 0.32 ppb (4) N/A 7.3 μg/m3 (31) 33.0
 
Dec. 1, 2020, 5 p.m. 38.4 ppb (37) 13.6 ppb (13) N/A 25.0 ppb (24) N/A N/A 24.0 ppb (23) 0.49 ppb (6) N/A 6.3 μg/m3 (27) 37.0
 
Dec. 1, 2020, 4 p.m. 7.5 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A N/A 39.0 ppb (37) 0.21 ppb (3) N/A 5.8 μg/m3 (25) 37.0
 
Dec. 1, 2020, 3 p.m. 36.5 ppb (35) 20.2 ppb (20) N/A 16.0 ppb (16) N/A N/A 27.0 ppb (25) 0.55 ppb (7) N/A 3.0 μg/m3 (13) 35.0
 
Dec. 1, 2020, 2 p.m. 67.7 ppb (66) 39.5 ppb (38) N/A 28.0 ppb (27) N/A N/A 6.0 ppb (6) 1.01 ppb (12) N/A 4.3 μg/m3 (18) 66.0
 
Dec. 1, 2020, 1 p.m. 36.4 ppb (35) 9.9 ppb (10) N/A 27.0 ppb (26) N/A N/A 6.0 ppb (6) 0.52 ppb (6) N/A 5.5 μg/m3 (23) 35.0
 
Dec. 1, 2020, noon 27.8 ppb (27) 3.0 ppb (3) N/A 25.0 ppb (24) N/A N/A 8.0 ppb (8) 0.46 ppb (6) N/A 1.9 μg/m3 (8) 27.0
 
Dec. 1, 2020, 11 a.m. 20.7 ppb (20) -0.2 ppb (0) N/A 21.0 ppb (20) N/A N/A 12.0 ppb (12) 0.37 ppb (5) N/A -0.5 μg/m3 (0) 20.0
 
Dec. 1, 2020, 10 a.m. 24.3 ppb (23) 0.5 ppb (1) N/A 24.0 ppb (23) N/A N/A 10.0 ppb (10) 0.46 ppb (6) N/A 2.4 μg/m3 (10) 23.0
 
Dec. 1, 2020, 9 a.m. 23.9 ppb (23) -0.2 ppb (0) N/A 24.0 ppb (23) N/A N/A 10.0 ppb (10) 0.5 ppb (6) N/A 4.9 μg/m3 (21) 23.0
 
Dec. 1, 2020, 8 a.m. 23.6 ppb (23) 0.6 ppb (1) N/A 23.0 ppb (22) N/A N/A 13.0 ppb (13) 0.48 ppb (6) N/A 7.4 μg/m3 (31) 31.0
 
Dec. 1, 2020, 7 a.m. 19.8 ppb (19) 1.2 ppb (2) N/A 19.0 ppb (18) N/A N/A 19.0 ppb (18) 0.39 ppb (5) N/A 7.1 μg/m3 (30) 30.0
 
Dec. 1, 2020, 6 a.m. 12.9 ppb (13) -0.6 ppb (0) N/A 14.0 ppb (14) N/A N/A 27.0 ppb (25) 0.34 ppb (4) N/A 4.4 μg/m3 (19) 25.0
 
Dec. 1, 2020, 5 a.m. 14.6 ppb (14) -0.5 ppb (0) N/A 15.0 ppb (15) N/A N/A 27.0 ppb (25) 0.37 ppb (5) N/A 2.7 μg/m3 (12) 25.0
 
Dec. 1, 2020, 4 a.m. 8.8 ppb (9) -0.6 ppb (0) N/A 9.0 ppb (9) N/A N/A 34.0 ppb (32) 0.26 ppb (4) N/A 4.7 μg/m3 (20) 32.0
 
Dec. 1, 2020, 3 a.m. 4.2 ppb (4) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (37) 0.21 ppb (3) N/A 4.5 μg/m3 (19) 37.0
 
Dec. 1, 2020, 2 a.m. 7.6 ppb (8) -0.4 ppb (0) N/A 8.0 ppb (8) N/A N/A 36.0 ppb (34) 0.27 ppb (4) N/A 1.5 μg/m3 (7) 34.0
 
Dec. 1, 2020, 1 a.m. 6.7 ppb (7) -0.6 ppb (0) N/A 7.0 ppb (7) N/A N/A 36.0 ppb (34) 0.24 ppb (3) N/A 2.7 μg/m3 (12) 34.0
 
Dec. 1, 2020, midnight 7.4 ppb (7) 0.5 ppb (1) N/A 7.0 ppb (7) N/A N/A 38.0 ppb (36) 0.22 ppb (3) N/A 2.0 μg/m3 (9) 36.0
 
Nov. 30, 2020, 11 p.m. 5.3 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 42.0 ppb (39) 0.19 ppb (3) N/A 3.0 μg/m3 (13) 39.0
 
Nov. 30, 2020, 10 p.m. 3.5 ppb (4) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 4.2 μg/m3 (18) 41.0
 
Nov. 30, 2020, 9 p.m. 3.7 ppb (4) 0.2 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.19 ppb (3) N/A 6.1 μg/m3 (26) 41.0
 
Nov. 30, 2020, 8 p.m. 3.5 ppb (4) 0.2 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.18 ppb (3) N/A 5.1 μg/m3 (22) 41.0
 
Nov. 30, 2020, 7 p.m. 4.9 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (41) 0.21 ppb (3) N/A 5.0 μg/m3 (21) 41.0
 
Nov. 30, 2020, 6 p.m. 25.8 ppb (25) 8.8 ppb (9) N/A 17.0 ppb (17) N/A N/A 30.0 ppb (28) 0.49 ppb (6) N/A 11.9 μg/m3 (50) 50.0
 
Nov. 30, 2020, 5 p.m. 71.6 ppb (70) 39.9 ppb (38) N/A 32.0 ppb (31) N/A N/A 15.0 ppb (14) 1.05 ppb (13) N/A 15.0 μg/m3 (58) 70.0
 
Nov. 30, 2020, 4 p.m. 93.2 ppb (93) 62.5 ppb (61) N/A 31.0 ppb (30) N/A N/A 9.0 ppb (9) 1.27 ppb (15) N/A 14.3 μg/m3 (56) 93.0
 
Nov. 30, 2020, 3 p.m. 86.8 ppb (86) 61.8 ppb (60) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 1.3 ppb (15) N/A 13.8 μg/m3 (55) 86.0
 
Nov. 30, 2020, 2 p.m. 101.3 ppb (102) 80.3 ppb (80) N/A 21.0 ppb (20) N/A N/A 6.0 ppb (6) 1.55 ppb (19) N/A 16.3 μg/m3 (60) 102.0
 
Nov. 30, 2020, 1 p.m. 54.3 ppb (52) 32.8 ppb (31) N/A 22.0 ppb (21) N/A N/A 6.0 ppb (6) 0.92 ppb (11) N/A 10.9 μg/m3 (46) 52.0
 
Nov. 30, 2020, noon 54.1 ppb (52) 32.5 ppb (31) N/A 22.0 ppb (21) N/A N/A 7.0 ppb (7) 0.94 ppb (11) N/A 8.8 μg/m3 (37) 52.0
 
Nov. 30, 2020, 11 a.m. 48.3 ppb (46) 25.3 ppb (24) N/A 23.0 ppb (22) N/A N/A 6.0 ppb (6) 0.87 ppb (11) N/A 19.3 μg/m3 (67) 67.0
 
Nov. 30, 2020, 10 a.m. 52.5 ppb (50) 28.5 ppb (27) N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) 0.99 ppb (12) N/A 15.8 μg/m3 (59) 59.0
 
Nov. 30, 2020, 9 a.m. 45.8 ppb (44) 19.5 ppb (19) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.94 ppb (11) N/A 18.3 μg/m3 (65) 65.0
 
Nov. 30, 2020, 8 a.m. 42.8 ppb (41) 15.4 ppb (15) N/A 27.0 ppb (26) N/A N/A 7.0 ppb (7) 1.06 ppb (13) N/A 17.1 μg/m3 (62) 62.0
 
Nov. 30, 2020, 7 a.m. 43.1 ppb (41) 13.4 ppb (13) N/A 30.0 ppb (29) N/A N/A 6.0 ppb (6) 0.96 ppb (12) N/A 24.9 μg/m3 (78) 78.0
 
Nov. 30, 2020, 6 a.m. 39.5 ppb (38) 8.9 ppb (9) N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) 0.89 ppb (11) N/A 22.2 μg/m3 (73) 73.0
 
Nov. 30, 2020, 5 a.m. 35.9 ppb (34) 4.9 ppb (5) N/A 31.0 ppb (30) N/A N/A 8.0 ppb (8) 0.8 ppb (10) N/A 17.9 μg/m3 (64) 64.0
 
Nov. 30, 2020, 4 a.m. 40.7 ppb (39) 9.7 ppb (10) N/A 31.0 ppb (30) N/A N/A 9.0 ppb (9) 0.85 ppb (10) N/A 16.9 μg/m3 (62) 62.0
 
Nov. 30, 2020, 3 a.m. 47.7 ppb (45) 16.2 ppb (16) N/A 32.0 ppb (31) N/A N/A 7.0 ppb (7) 0.9 ppb (11) N/A 19.2 μg/m3 (66) 66.0
 
Nov. 30, 2020, 2 a.m. 42.3 ppb (40) 10.5 ppb (10) N/A 32.0 ppb (31) N/A N/A 9.0 ppb (9) 0.69 ppb (8) N/A 11.0 μg/m3 (46) 46.0
 
Nov. 30, 2020, 1 a.m. 11.9 ppb (12) -0.4 ppb (0) N/A 12.0 ppb (12) N/A N/A 30.0 ppb (28) 0.38 ppb (5) N/A 8.2 μg/m3 (35) 35.0
 
Nov. 30, 2020, midnight 4.8 ppb (5) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (36) 0.25 ppb (3) N/A 6.9 μg/m3 (29) 36.0
 
Nov. 29, 2020, 11 p.m. 4.6 ppb (5) 0.1 ppb (1) N/A 4.0 ppb (4) N/A N/A 41.0 ppb (38) 0.26 ppb (4) N/A 5.2 μg/m3 (22) 38.0
 
Nov. 29, 2020, 10 p.m. 2.8 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.21 ppb (3) N/A 4.7 μg/m3 (20) 40.0
 
Nov. 29, 2020, 9 p.m. 2.6 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.2 ppb (3) N/A 3.9 μg/m3 (17) 41.0
 
Nov. 29, 2020, 8 p.m. 7.5 ppb (8) 1.1 ppb (2) N/A 6.0 ppb (6) N/A N/A 43.0 ppb (40) 0.27 ppb (4) N/A 5.8 μg/m3 (25) 40.0
 
Nov. 29, 2020, 7 p.m. 4.6 ppb (5) 0.5 ppb (1) N/A 4.0 ppb (4) N/A N/A 42.0 ppb (39) 0.21 ppb (3) N/A 8.7 μg/m3 (37) 39.0
 
Nov. 29, 2020, 6 p.m. 10.1 ppb (10) 2.3 ppb (3) N/A 8.0 ppb (8) N/A N/A 37.0 ppb (35) 0.26 ppb (4) N/A 10.6 μg/m3 (45) 45.0
 
Nov. 29, 2020, 5 p.m. 31.6 ppb (30) 12.7 ppb (12) N/A 19.0 ppb (18) N/A N/A 23.0 ppb (22) 0.49 ppb (6) N/A 12.5 μg/m3 (52) 52.0
 
Nov. 29, 2020, 4 p.m. 44.3 ppb (42) 20.7 ppb (20) N/A 24.0 ppb (23) N/A N/A 14.0 ppb (13) 0.61 ppb (7) N/A 11.7 μg/m3 (49) 49.0
 
Nov. 29, 2020, 3 p.m. 63.0 ppb (61) 38.0 ppb (36) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 0.92 ppb (11) N/A 10.3 μg/m3 (43) 61.0
 
Nov. 29, 2020, 2 p.m. 46.7 ppb (45) 21.7 ppb (21) N/A 25.0 ppb (24) N/A N/A 6.0 ppb (6) 0.67 ppb (8) N/A 10.8 μg/m3 (46) 46.0
 
Nov. 29, 2020, 1 p.m. 44.6 ppb (43) 20.9 ppb (20) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.77 ppb (10) N/A 21.1 μg/m3 (70) 70.0
 
Nov. 29, 2020, noon 51.3 ppb (49) 27.0 ppb (26) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.91 ppb (11) N/A 19.7 μg/m3 (67) 67.0
 
Nov. 29, 2020, 11 a.m. 50.2 ppb (48) 25.6 ppb (25) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 1.1 ppb (13) N/A 32.1 μg/m3 (94) 94.0
 
Nov. 29, 2020, 10 a.m. 62.9 ppb (61) 38.0 ppb (36) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 1.35 ppb (16) N/A 34.1 μg/m3 (98) 98.0
 
Nov. 29, 2020, 9 a.m. 61.7 ppb (60) 35.0 ppb (34) N/A 27.0 ppb (26) N/A N/A 7.0 ppb (7) 1.27 ppb (15) N/A 26.3 μg/m3 (81) 81.0
 
Nov. 29, 2020, 8 a.m. 75.2 ppb (74) 47.4 ppb (45) N/A 28.0 ppb (27) N/A N/A 8.0 ppb (8) 1.66 ppb (20) N/A 37.0 μg/m3 (105) 105.0
 
Nov. 29, 2020, 7 a.m. 59.1 ppb (57) 29.5 ppb (28) N/A 30.0 ppb (29) N/A N/A 7.0 ppb (7) 1.24 ppb (14) N/A 36.0 μg/m3 (103) 103.0
 
Nov. 29, 2020, 6 a.m. 53.7 ppb (51) 23.0 ppb (22) N/A 31.0 ppb (30) N/A N/A 7.0 ppb (7) 1.04 ppb (12) N/A 31.0 μg/m3 (91) 91.0
 
Nov. 29, 2020, 5 a.m. 49.2 ppb (47) 16.7 ppb (16) N/A 33.0 ppb (32) N/A N/A 7.0 ppb (7) 0.99 ppb (12) N/A 26.4 μg/m3 (82) 82.0
 
Nov. 29, 2020, 4 a.m. 50.9 ppb (49) 17.1 ppb (17) N/A 34.0 ppb (33) N/A N/A 7.0 ppb (7) 0.97 ppb (12) N/A 26.9 μg/m3 (83) 83.0
 
Nov. 29, 2020, 3 a.m. 49.4 ppb (47) 14.1 ppb (14) N/A 35.0 ppb (34) N/A N/A 7.0 ppb (7) 0.95 ppb (11) N/A 19.7 μg/m3 (67) 67.0
 
Nov. 29, 2020, 2 a.m. 32.0 ppb (31) 6.8 ppb (7) N/A 25.0 ppb (24) N/A N/A 19.0 ppb (18) 0.61 ppb (7) N/A 8.8 μg/m3 (37) 37.0
 
Nov. 29, 2020, 1 a.m. 14.8 ppb (14) 0.1 ppb (1) N/A 15.0 ppb (15) N/A N/A 29.0 ppb (27) 0.36 ppb (5) N/A 7.7 μg/m3 (33) 33.0
 
Nov. 29, 2020, midnight 9.2 ppb (9) -0.1 ppb (0) N/A 9.0 ppb (9) N/A N/A 35.0 ppb (33) 0.35 ppb (4) N/A 4.5 μg/m3 (19) 33.0
 
Nov. 28, 2020, 11 p.m. 4.3 ppb (5) -0.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (38) 0.25 ppb (3) N/A 7.4 μg/m3 (31) 38.0
 
Nov. 28, 2020, 10 p.m. 2.7 ppb (3) -0.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (40) 0.21 ppb (3) N/A 9.8 μg/m3 (41) 41.0
 
Nov. 28, 2020, 9 p.m. 1.0 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A N/A 51.0 ppb (48) 0.17 ppb (3) N/A 4.6 μg/m3 (20) 48.0
 
Nov. 28, 2020, 8 p.m. 2.6 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (44) 0.19 ppb (3) N/A 4.6 μg/m3 (20) 44.0
 
Nov. 28, 2020, 7 p.m. 3.6 ppb (4) 0.3 ppb (1) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (41) 0.22 ppb (3) N/A 7.3 μg/m3 (31) 41.0
 
Nov. 28, 2020, 6 p.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (38) 0.23 ppb (3) N/A 6.5 μg/m3 (28) 38.0
 
Nov. 28, 2020, 5 p.m. 9.8 ppb (10) 2.4 ppb (3) N/A 7.0 ppb (7) N/A N/A 35.0 ppb (33) 0.26 ppb (4) N/A 7.0 μg/m3 (30) 33.0
 
Nov. 28, 2020, 4 p.m. 46.0 ppb (44) 22.2 ppb (21) N/A 24.0 ppb (23) N/A N/A 15.0 ppb (14) 0.65 ppb (8) N/A 7.7 μg/m3 (33) 44.0
 
Nov. 28, 2020, 3 p.m. 42.7 ppb (41) 17.4 ppb (17) N/A 25.0 ppb (24) N/A N/A 10.0 ppb (10) 0.68 ppb (8) N/A 7.2 μg/m3 (31) 41.0
 
Nov. 28, 2020, 2 p.m. 51.6 ppb (49) 26.2 ppb (25) N/A 25.0 ppb (24) N/A N/A 7.0 ppb (7) 0.66 ppb (8) N/A 8.2 μg/m3 (35) 49.0
 
Nov. 28, 2020, 1 p.m. 41.8 ppb (40) 18.2 ppb (18) N/A 24.0 ppb (23) N/A N/A 6.0 ppb (6) 0.65 ppb (8) N/A 7.5 μg/m3 (32) 40.0
 
Nov. 28, 2020, noon 44.5 ppb (42) 20.2 ppb (20) N/A 24.0 ppb (23) N/A N/A 7.0 ppb (7) 0.84 ppb (10) N/A 6.8 μg/m3 (29) 42.0
 
Nov. 28, 2020, 11 a.m. 31.9 ppb (31) 5.5 ppb (6) N/A 26.0 ppb (25) N/A N/A 6.0 ppb (6) 0.56 ppb (7) N/A 10.4 μg/m3 (44) 44.0