AQSQID: 060371201

Site Name: Reseda

Location: Reseda (Reseda), CA

Reporting: True, Located: True

Current AQI: 30.0

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
April 9, 2020, 10 p.m. 4.7 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.17 ppb (2) N/A 3.8 μg/m3 (16) 30.0
 
April 9, 2020, 9 p.m. 4.5 ppb (4) -0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.18 ppb (2) N/A 2.6 μg/m3 (11) 30.0
 
April 9, 2020, 8 p.m. 3.5 ppb (3) -0.6 ppb (0) N/A 4.0 ppb (4) N/A N/A 40.0 ppb (31) 0.16 ppb (2) N/A 2.3 μg/m3 (10) 31.0
 
April 9, 2020, 7 p.m. 4.2 ppb (4) -0.4 ppb (0) N/A 5.0 ppb (5) N/A N/A 38.0 ppb (29) 0.16 ppb (2) N/A 3.3 μg/m3 (14) 29.0
 
April 9, 2020, 6 p.m. 2.8 ppb (3) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A 3.5 μg/m3 (15) 30.0
 
April 9, 2020, 5 p.m. 4.1 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.15 ppb (2) N/A 2.5 μg/m3 (10) 28.0
 
April 9, 2020, 4 p.m. 5.6 ppb (5) -0.4 ppb (0) N/A 6.0 ppb (6) N/A N/A 34.0 ppb (26) 0.18 ppb (2) N/A 2.3 μg/m3 (10) 26.0
 
April 9, 2020, 3 p.m. 6.1 ppb (6) -0.5 ppb (0) N/A 7.0 ppb (6) N/A N/A 34.0 ppb (26) 0.19 ppb (2) N/A 2.0 μg/m3 (8) 26.0
 
April 9, 2020, 2 p.m. 6.2 ppb (6) -0.7 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.19 ppb (2) N/A 0.8 μg/m3 (3) 25.0
 
April 9, 2020, 1 p.m. 4.0 ppb (4) -1.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.18 ppb (2) N/A 1.6 μg/m3 (7) 27.0
 
April 9, 2020, noon 2.4 ppb (2) -1.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 38.0 ppb (29) 0.13 ppb (1) N/A 2.3 μg/m3 (10) 29.0
 
April 9, 2020, 11 a.m. 1.5 ppb (1) -1.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.12 ppb (1) N/A 0.3 μg/m3 (1) 29.0
 
April 9, 2020, 10 a.m. 2.4 ppb (2) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.13 ppb (1) N/A -0.3 μg/m3 (0) 28.0
 
April 9, 2020, 9 a.m. 2.2 ppb (2) -1.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.13 ppb (1) N/A 4.1 μg/m3 (17) 28.0
 
April 9, 2020, 8 a.m. 3.6 ppb (3) -1.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 35.0 ppb (27) 0.15 ppb (2) N/A 8.5 μg/m3 (35) 35.0
 
April 9, 2020, 7 a.m. 3.7 ppb (3) -1.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
April 9, 2020, 6 a.m. 4.0 ppb (4) -1.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 37.0 ppb (28) 0.16 ppb (2) N/A 4.1 μg/m3 (17) 28.0
 
April 9, 2020, 5 a.m. 2.8 ppb (3) -1.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A 2.1 μg/m3 (9) 30.0
 
April 9, 2020, 4 a.m. 1.4 ppb (1) -1.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 42.0 ppb (32) 0.13 ppb (1) N/A 0.6 μg/m3 (2) 32.0
 
April 9, 2020, 3 a.m. 1.3 ppb (1) -1.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.13 ppb (1) N/A -0.8 μg/m3 (0) 34.0
 
April 9, 2020, 2 a.m. -0.2 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.13 ppb (1) N/A -0.5 μg/m3 (0) 35.0
 
April 9, 2020, 1 a.m. -0.5 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.13 ppb (1) N/A 2.4 μg/m3 (10) 36.0
 
April 9, 2020, midnight 0.2 ppb (0) -0.8 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.13 ppb (1) N/A 2.1 μg/m3 (9) 36.0
 
April 8, 2020, 11 p.m. -0.2 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.13 ppb (1) N/A 0.1 μg/m3 (0) 37.0
 
April 8, 2020, 10 p.m. 0.0 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.12 ppb (1) N/A 0.4 μg/m3 (2) 36.0
 
April 8, 2020, 9 p.m. 1.9 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.13 ppb (1) N/A 1.4 μg/m3 (6) 35.0
 
April 8, 2020, 8 p.m. 1.4 ppb (1) -0.5 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.14 ppb (2) N/A 3.8 μg/m3 (16) 34.0
 
April 8, 2020, 7 p.m. 1.3 ppb (1) -0.8 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.14 ppb (2) N/A 1.3 μg/m3 (5) 35.0
 
April 8, 2020, 6 p.m. 1.7 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 46.0 ppb (35) 0.13 ppb (1) N/A 1.6 μg/m3 (7) 35.0
 
April 8, 2020, 5 p.m. 2.1 ppb (2) -0.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 5.3 μg/m3 (22) 32.0
 
April 8, 2020, 4 p.m. 5.5 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 8.0 μg/m3 (33) 33.0
 
April 8, 2020, 3 p.m. 18.0 ppb (17) 7.2 ppb (7) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.23 ppb (3) N/A 7.5 μg/m3 (31) 31.0
 
April 8, 2020, 2 p.m. 15.1 ppb (14) 2.3 ppb (2) N/A 13.0 ppb (12) N/A N/A 20.0 ppb (15) 0.32 ppb (4) N/A 5.3 μg/m3 (22) 22.0
 
April 8, 2020, 1 p.m. 17.9 ppb (17) 1.5 ppb (1) N/A 16.0 ppb (15) N/A N/A 12.0 ppb (9) 0.44 ppb (5) N/A 7.0 μg/m3 (29) 29.0
 
April 8, 2020, noon 15.6 ppb (14) 1.7 ppb (2) N/A 14.0 ppb (13) N/A N/A 15.0 ppb (12) 0.28 ppb (3) N/A 6.8 μg/m3 (28) 28.0
 
April 8, 2020, 11 a.m. 5.2 ppb (5) -1.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 27.0 ppb (21) 0.19 ppb (2) N/A 4.5 μg/m3 (19) 21.0
 
April 8, 2020, 10 a.m. 4.8 ppb (4) -1.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 29.0 ppb (22) 0.18 ppb (2) N/A 5.3 μg/m3 (22) 22.0
 
April 8, 2020, 9 a.m. 3.5 ppb (3) -1.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 34.0 ppb (26) 0.17 ppb (2) N/A 5.3 μg/m3 (22) 26.0
 
April 8, 2020, 8 a.m. 2.6 ppb (2) -1.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 36.0 ppb (28) 0.16 ppb (2) N/A 1.3 μg/m3 (5) 28.0
 
April 8, 2020, 7 a.m. 1.4 ppb (1) -1.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A 4.8 μg/m3 (20) 31.0
 
April 8, 2020, 6 a.m. 2.0 ppb (2) -1.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 40.0 ppb (31) 0.14 ppb (2) N/A 7.3 μg/m3 (30) 31.0
 
April 8, 2020, 5 a.m. 1.9 ppb (2) -1.2 ppb (0) N/A 3.0 ppb (3) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A 2.1 μg/m3 (9) 33.0
 
April 8, 2020, 4 a.m. 1.0 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 45.0 ppb (35) 0.13 ppb (1) N/A 0.9 μg/m3 (4) 35.0
 
April 8, 2020, 3 a.m. 0.6 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 44.0 ppb (34) 0.13 ppb (1) N/A 2.6 μg/m3 (11) 34.0
 
April 8, 2020, 2 a.m. 1.0 ppb (1) -1.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.14 ppb (2) N/A 3.9 μg/m3 (16) 32.0
 
April 8, 2020, 1 a.m. 0.9 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A 2.9 μg/m3 (12) 33.0
 
April 8, 2020, midnight 4.2 ppb (4) -0.7 ppb (0) N/A 5.0 ppb (5) N/A N/A 40.0 ppb (31) 0.21 ppb (2) N/A 2.2 μg/m3 (9) 31.0
 
April 7, 2020, 11 p.m. 5.3 ppb (5) -1.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 40.0 ppb (31) 0.2 ppb (2) N/A 2.2 μg/m3 (9) 31.0
 
April 7, 2020, 10 p.m. 3.6 ppb (3) -0.9 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.19 ppb (2) N/A 1.9 μg/m3 (8) 33.0
 
April 7, 2020, 9 p.m. 5.5 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 43.0 ppb (33) 0.19 ppb (2) N/A 2.9 μg/m3 (12) 33.0
 
April 7, 2020, 8 p.m. 4.4 ppb (4) -0.6 ppb (0) N/A 5.0 ppb (5) N/A N/A 44.0 ppb (34) 0.17 ppb (2) N/A 3.6 μg/m3 (15) 34.0
 
April 7, 2020, 7 p.m. 1.8 ppb (2) -0.9 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) 0.16 ppb (2) N/A 2.9 μg/m3 (12) 37.0
 
April 7, 2020, 6 p.m. 2.1 ppb (2) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 47.0 ppb (36) 0.15 ppb (2) N/A 5.1 μg/m3 (21) 36.0
 
April 7, 2020, 5 p.m. 4.5 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 43.0 ppb (33) 0.17 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
April 7, 2020, 4 p.m. 12.2 ppb (11) 2.9 ppb (3) N/A 9.0 ppb (8) N/A N/A 34.0 ppb (26) 0.24 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
April 7, 2020, 3 p.m. 20.9 ppb (19) 7.0 ppb (6) N/A 14.0 ppb (13) N/A N/A 19.0 ppb (15) 0.32 ppb (4) N/A 10.4 μg/m3 (43) 43.0
 
April 7, 2020, 2 p.m. 18.5 ppb (17) 3.8 ppb (4) N/A 15.0 ppb (14) N/A N/A 12.0 ppb (9) 0.37 ppb (4) N/A 7.5 μg/m3 (31) 31.0
 
April 7, 2020, 1 p.m. 17.7 ppb (16) 3.0 ppb (3) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.28 ppb (3) N/A 4.5 μg/m3 (19) 19.0
 
April 7, 2020, noon 13.3 ppb (12) 0.6 ppb (1) N/A 13.0 ppb (12) N/A N/A 11.0 ppb (8) 0.24 ppb (3) N/A 2.8 μg/m3 (12) 12.0
 
April 7, 2020, 11 a.m. 10.3 ppb (10) -0.7 ppb (0) N/A 11.0 ppb (10) N/A N/A 12.0 ppb (9) 0.2 ppb (2) N/A 5.1 μg/m3 (21) 21.0
 
April 7, 2020, 10 a.m. 7.5 ppb (7) -0.9 ppb (0) N/A 8.0 ppb (7) N/A N/A 17.0 ppb (13) 0.18 ppb (2) N/A 6.3 μg/m3 (26) 26.0
 
April 7, 2020, 9 a.m. 7.5 ppb (7) -1.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 19.0 ppb (15) 0.19 ppb (2) N/A 1.1 μg/m3 (5) 15.0
 
April 7, 2020, 8 a.m. 6.3 ppb (6) -1.0 ppb (0) N/A 7.0 ppb (6) N/A N/A 25.0 ppb (19) 0.19 ppb (2) N/A 0.1 μg/m3 (0) 19.0
 
April 7, 2020, 7 a.m. 1.5 ppb (1) -1.1 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 7.8 μg/m3 (32) 32.0
 
April 7, 2020, 6 a.m. 1.3 ppb (1) -1.3 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.14 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
April 7, 2020, 5 a.m. 0.8 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.14 ppb (2) N/A 3.4 μg/m3 (14) 32.0
 
April 7, 2020, 4 a.m. 0.9 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.15 ppb (2) N/A 4.4 μg/m3 (18) 32.0
 
April 7, 2020, 3 a.m. 1.0 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 40.0 ppb (31) 0.15 ppb (2) N/A 3.2 μg/m3 (13) 31.0
 
April 7, 2020, 2 a.m. 0.2 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.14 ppb (2) N/A -1.0 μg/m3 (0) 33.0
 
April 7, 2020, 1 a.m. -0.4 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.13 ppb (1) N/A -0.7 μg/m3 (0) 35.0
 
April 7, 2020, midnight -0.3 ppb (0) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (37) 0.14 ppb (2) N/A 3.1 μg/m3 (13) 37.0
 
April 6, 2020, 11 p.m. -0.2 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 47.0 ppb (36) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 36.0
 
April 6, 2020, 10 p.m. -0.3 ppb (0) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.12 ppb (1) N/A 6.4 μg/m3 (27) 35.0
 
April 6, 2020, 9 p.m. 0.0 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.12 ppb (1) N/A 6.6 μg/m3 (28) 33.0
 
April 6, 2020, 8 p.m. 0.1 ppb (0) -0.9 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (33) 0.12 ppb (1) N/A 5.3 μg/m3 (22) 33.0
 
April 6, 2020, 7 p.m. 0.7 ppb (1) -0.9 ppb (0) N/A 2.0 ppb (2) N/A N/A 42.0 ppb (32) 0.13 ppb (1) N/A 3.5 μg/m3 (15) 32.0
 
April 6, 2020, 6 p.m. 0.9 ppb (1) -0.8 ppb (0) N/A 2.0 ppb (2) N/A N/A 41.0 ppb (32) 0.13 ppb (1) N/A 3.3 μg/m3 (14) 32.0
 
April 6, 2020, 5 p.m. 2.6 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 37.0 ppb (28) 0.14 ppb (2) N/A 2.9 μg/m3 (12) 28.0
 
April 6, 2020, 4 p.m. 1.9 ppb (2) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 38.0 ppb (29) 0.15 ppb (2) N/A 5.3 μg/m3 (22) 29.0
 
April 6, 2020, 3 p.m. 2.9 ppb (3) -0.9 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.17 ppb (2) N/A 8.3 μg/m3 (35) 35.0
 
April 6, 2020, 2 p.m. 3.1 ppb (3) -1.1 ppb (0) N/A 4.0 ppb (4) N/A N/A 35.0 ppb (27) 0.16 ppb (2) N/A 3.6 μg/m3 (15) 27.0
 
April 6, 2020, 1 p.m. 0.5 ppb (0) -1.1 ppb (0) N/A 2.0 ppb (2) N/A N/A 39.0 ppb (30) 0.11 ppb (1) N/A -2.2 μg/m3 (0) 30.0
 
April 6, 2020, noon 0.2 ppb (0) -1.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.12 ppb (1) N/A -0.8 μg/m3 (0) 27.0
 
April 6, 2020, 11 a.m. 0.1 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 35.0 ppb (27) 0.11 ppb (1) N/A 1.1 μg/m3 (5) 27.0
 
April 6, 2020, 10 a.m. -0.1 ppb (0) -1.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (28) 0.11 ppb (1) N/A 1.4 μg/m3 (6) 28.0
 
April 6, 2020, 9 a.m. -0.2 ppb (0) -1.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (28) 0.1 ppb (1) N/A 1.1 μg/m3 (5) 28.0
 
April 6, 2020, 8 a.m. 0.4 ppb (0) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 33.0 ppb (25) 0.11 ppb (1) N/A 0.9 μg/m3 (4) 25.0
 
April 6, 2020, 7 a.m. -0.7 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.1 ppb (1) N/A 2.4 μg/m3 (10) 26.0
 
April 6, 2020, 6 a.m. -0.6 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.1 ppb (1) N/A 4.9 μg/m3 (20) 25.0
 
April 6, 2020, 5 a.m. -0.4 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.11 ppb (1) N/A 5.9 μg/m3 (25) 25.0
 
April 6, 2020, 4 a.m. -0.1 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.12 ppb (1) N/A 2.7 μg/m3 (11) 25.0
 
April 6, 2020, 3 a.m. 0.0 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (25) 0.13 ppb (1) N/A -2.1 μg/m3 (0) 25.0
 
April 6, 2020, 2 a.m. 0.4 ppb (0) -1.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (25) 0.12 ppb (1) N/A -1.4 μg/m3 (0) 25.0
 
April 6, 2020, 1 a.m. -0.1 ppb (0) -1.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (26) 0.11 ppb (1) N/A 1.2 μg/m3 (5) 26.0
 
April 6, 2020, midnight -0.7 ppb (0) -1.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (28) 0.11 ppb (1) N/A 1.4 μg/m3 (6) 28.0
 
April 5, 2020, 11 p.m. -0.8 ppb (0) -1.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (28) 0.1 ppb (1) N/A 1.4 μg/m3 (6) 28.0
 
April 5, 2020, 10 p.m. -0.8 ppb (0) -1.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (29) 0.11 ppb (1) N/A 3.1 μg/m3 (13) 29.0
 
April 5, 2020, 9 p.m. -0.8 ppb (0) -1.2 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.11 ppb (1) N/A 5.4 μg/m3 (23) 31.0
 
April 5, 2020, 8 p.m. -0.4 ppb (0) -1.1 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (32) 0.11 ppb (1) N/A 3.6 μg/m3 (15) 32.0
 
April 5, 2020, 7 p.m. -0.6 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.11 ppb (1) N/A 0.4 μg/m3 (2) 31.0
 
April 5, 2020, 6 p.m. -0.6 ppb (0) -1.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (31) 0.12 ppb (1) N/A 2.2 μg/m3 (9) 31.0
 
April 5, 2020, 5 p.m. -0.6 ppb (0) -1.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.1 ppb (1) N/A 6.6 μg/m3 (28) 30.0
 
April 5, 2020, 4 p.m. -0.7 ppb (0) -1.1 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (30) 0.11 ppb (1) N/A 6.4 μg/m3 (27) 30.0
 
April 5, 2020, 3 p.m. -0.2 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.12 ppb (1) N/A 4.6 μg/m3 (19) 30.0
 
April 5, 2020, 2 p.m. -0.3 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (29) 0.13 ppb (1) N/A 2.9 μg/m3 (12) 29.0
 
April 5, 2020, 1 p.m. 0.4 ppb (0) -1.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 34.0 ppb (26) 0.14 ppb (2) N/A 4.6 μg/m3 (19) 26.0
 
April 5, 2020, noon 0.3 ppb (0) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.13 ppb (1) N/A 5.1 μg/m3 (21) 27.0
 
April 5, 2020, 11 a.m. 0.4 ppb (0) -1.4 ppb (0) N/A 2.0 ppb (2) N/A N/A 35.0 ppb (27) 0.13 ppb (1) N/A 4.1 μg/m3 (17) 27.0
 
April 5, 2020, 10 a.m. -0.1 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 39.0 ppb (30) 0.14 ppb (2) N/A 4.6 μg/m3 (19) 30.0
 
April 5, 2020, 9 a.m. -0.8 ppb (0) -1.4 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (32) 0.12 ppb (1) N/A 10.0 μg/m3 (42) 42.0
 
April 5, 2020, 8 a.m. -0.1 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 44.0 ppb (34) 0.13 ppb (1) N/A 11.9 μg/m3 (50) 50.0
 
April 5, 2020, 7 a.m. -0.4 ppb (0) -1.3 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (35) 0.13 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
April 5, 2020, 6 a.m. 0.1 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 46.0 ppb (35) 0.14 ppb (2) N/A 8.4 μg/m3 (35) 35.0
 
April 5, 2020, 5 a.m. 1.9 ppb (2) -1.0 ppb (0) N/A 3.0 ppb (3) N/A N/A 44.0 ppb (34) 0.17 ppb (2) N/A 6.7 μg/m3 (28) 34.0
 
April 5, 2020, 4 a.m. 1.0 ppb (1) -1.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 50.0 ppb (38) 0.15 ppb (2) N/A 9.0 μg/m3 (38) 38.0
 
April 5, 2020, 3 a.m. 0.5 ppb (0) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 53.0 ppb (41) 0.15 ppb (2) N/A 13.4 μg/m3 (53) 53.0
 
April 5, 2020, 2 a.m. 0.5 ppb (0) -1.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) 0.15 ppb (2) N/A 11.5 μg/m3 (48) 48.0
 
April 5, 2020, 1 a.m. 0.3 ppb (0) -1.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 54.0 ppb (42) 0.16 ppb (2) N/A 8.8 μg/m3 (37) 42.0
 
April 5, 2020, midnight 0.2 ppb (0) -1.2 ppb (0) N/A 1.0 ppb (1) N/A N/A 54.0 ppb (42) 0.14 ppb (2) N/A 10.9 μg/m3 (45) 45.0
 
April 4, 2020, 11 p.m. 0.3 ppb (0) -1.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 55.0 ppb (42) 0.15 ppb (2) N/A 13.7 μg/m3 (54) 54.0
 
April 4, 2020, 10 p.m. 0.8 ppb (1) -1.2 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) 0.16 ppb (2) N/A 11.7 μg/m3 (49) 49.0
 
April 4, 2020, 9 p.m. 1.4 ppb (1) -0.9 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) 0.17 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 8 p.m. 2.7 ppb (3) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 54.0 ppb (42) 0.19 ppb (2) N/A 14.2 μg/m3 (55) 55.0
 
April 4, 2020, 7 p.m. 3.9 ppb (4) -0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 50.0 ppb (38) 0.19 ppb (2) N/A 13.2 μg/m3 (53) 53.0
 
April 4, 2020, 6 p.m. 2.7 ppb (3) -0.5 ppb (0) N/A 3.0 ppb (3) N/A N/A 48.0 ppb (37) 0.17 ppb (2) N/A 9.7 μg/m3 (40) 40.0
 
April 4, 2020, 5 p.m. 3.8 ppb (4) -0.4 ppb (0) N/A 4.0 ppb (4) N/A N/A 44.0 ppb (34) 0.18 ppb (2) N/A 8.1 μg/m3 (34) 34.0
 
April 4, 2020, 4 p.m. 7.2 ppb (7) -0.2 ppb (0) N/A 7.0 ppb (6) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 17.1 μg/m3 (61) 61.0
 
April 4, 2020, 3 p.m. 11.5 ppb (11) 0.3 ppb (0) N/A 11.0 ppb (10) N/A N/A 26.0 ppb (20) 0.25 ppb (3) N/A 12.9 μg/m3 (52) 52.0
 
April 4, 2020, 2 p.m. 22.0 ppb (20) 5.0 ppb (5) N/A 17.0 ppb (16) N/A N/A 10.0 ppb (8) 0.42 ppb (5) N/A 8.3 μg/m3 (35) 35.0
 
April 4, 2020, 1 p.m. 17.2 ppb (16) 0.4 ppb (0) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.36 ppb (4) N/A 8.3 μg/m3 (35) 35.0
 
April 4, 2020, noon 16.6 ppb (15) -0.3 ppb (0) N/A 17.0 ppb (16) N/A N/A 7.0 ppb (5) 0.3 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
April 4, 2020, 11 a.m. 14.5 ppb (13) -0.5 ppb (0) N/A 15.0 ppb (14) N/A N/A 10.0 ppb (8) 0.26 ppb (3) N/A 9.1 μg/m3 (38) 38.0
 
April 4, 2020, 10 a.m. 15.1 ppb (14) 0.2 ppb (0) N/A 15.0 ppb (14) N/A N/A 9.0 ppb (7) 0.3 ppb (3) N/A 9.7 μg/m3 (40) 40.0
 
April 4, 2020, 9 a.m. 10.9 ppb (10) -1.0 ppb (0) N/A 12.0 ppb (11) N/A N/A 13.0 ppb (10) 0.29 ppb (3) N/A 6.9 μg/m3 (29) 29.0
 
April 4, 2020, 8 a.m. 11.4 ppb (11) -0.9 ppb (0) N/A 12.0 ppb (11) N/A N/A 15.0 ppb (12) 0.29 ppb (3) N/A 7.6 μg/m3 (32) 32.0
 
April 4, 2020, 7 a.m. 8.6 ppb (8) -0.8 ppb (0) N/A 9.0 ppb (8) N/A N/A 27.0 ppb (21) 0.25 ppb (3) N/A 8.8 μg/m3 (37) 37.0
 
April 4, 2020, 6 a.m. 6.3 ppb (6) -0.9 ppb (0) N/A 7.0 ppb (6) N/A N/A 33.0 ppb (25) 0.23 ppb (3) N/A 9.3 μg/m3 (39) 39.0
 
April 4, 2020, 5 a.m. 5.3 ppb (5) -1.1 ppb (0) N/A 6.0 ppb (6) N/A N/A 37.0 ppb (28) 0.2 ppb (2) N/A 13.0 μg/m3 (52) 52.0
 
April 4, 2020, 4 a.m. 4.0 ppb (4) -1.1 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.2 ppb (2) N/A 11.0 μg/m3 (46) 46.0
 
April 4, 2020, 3 a.m. 3.9 ppb (4) -1.2 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.21 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
April 4, 2020, 2 a.m. 3.8 ppb (4) -1.0 ppb (0) N/A 5.0 ppb (5) N/A N/A 41.0 ppb (32) 0.22 ppb (2) N/A 10.7 μg/m3 (45) 45.0
 
April 4, 2020, 1 a.m. 2.9 ppb (3) -0.9 ppb (0) N/A 4.0 ppb (4) N/A N/A 46.0 ppb (35) 0.2 ppb (2) N/A 12.2 μg/m3 (50) 50.0
 
April 4, 2020, midnight 2.0 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 52.0 ppb (40) 0.17 ppb (2) N/A 8.8 μg/m3 (37) 40.0
 
April 3, 2020, 11 p.m. 1.0 ppb (1) -1.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 56.0 ppb (43) 0.16 ppb (2) N/A 7.8 μg/m3 (32) 43.0
 
April 3, 2020, 10 p.m. 2.0 ppb (2) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A 56.0 ppb (43) 0.17 ppb (2) N/A 10.5 μg/m3 (44) 44.0
 
April 3, 2020, 9 p.m. 2.0 ppb (2) -0.7 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.16 ppb (2) N/A 10.0 μg/m3 (42) 42.0
 
April 3, 2020, 8 p.m. 2.0 ppb (2) -0.8 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.18 ppb (2) N/A 6.3 μg/m3 (26) 42.0
 
April 3, 2020, 7 p.m. 2.2 ppb (2) -0.6 ppb (0) N/A 3.0 ppb (3) N/A N/A 55.0 ppb (42) 0.17 ppb (2) N/A 6.1 μg/m3 (25) 42.0
 
April 3, 2020, 6 p.m. 4.6 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A N/A 51.0 ppb (39) 0.18 ppb (2) N/A 8.9 μg/m3 (37) 39.0
 
April 3, 2020, 5 p.m. 5.8 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A N/A 46.0 ppb (35) 0.19 ppb (2) N/A 9.5 μg/m3 (40) 40.0
 
April 3, 2020, 4 p.m. 15.1 ppb (14) 4.0 ppb (4) N/A 11.0 ppb (10) N/A N/A 32.0 ppb (25) 0.35 ppb (4) N/A 10.2 μg/m3 (42) 42.0
 
April 3, 2020, 3 p.m. 25.0 ppb (23) 9.3 ppb (9) N/A 16.0 ppb (15) N/A N/A 19.0 ppb (15) 0.44 ppb (5) N/A 12.4 μg/m3 (51) 51.0
 
April 3, 2020, 2 p.m. 39.8 ppb (37) 21.4 ppb (20) N/A 18.0 ppb (17) N/A N/A 7.0 ppb (5) 0.61 ppb (7) N/A 10.2 μg/m3 (42) 42.0
 
April 3, 2020, 1 p.m. 30.2 ppb (28) 10.7 ppb (10) N/A 20.0 ppb (19) N/A N/A 5.0 ppb (4) 0.41 ppb (5) N/A 8.5 μg/m3 (35) 35.0
 
April 3, 2020, noon 25.2 ppb (23) 6.1 ppb (6) N/A 19.0 ppb (18) N/A N/A 5.0 ppb (4) 0.32 ppb (4) N/A 4.1 μg/m3 (17) 23.0
 
April 3, 2020, 11 a.m. 13.5 ppb (12) -0.9 ppb (0) N/A 14.0 ppb (13) N/A N/A 10.0 ppb (8) 0.26 ppb (3) N/A 4.8 μg/m3 (20) 20.0
 
April 3, 2020, 10 a.m. 15.0 ppb (14) -0.6 ppb (0) N/A 16.0 ppb (15) N/A N/A 9.0 ppb (7) 0.27 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
April 3, 2020, 9 a.m. 12.4 ppb (11) -0.9 ppb (0) N/A 13.0 ppb (12) N/A N/A 13.0 ppb (10) 0.26 ppb (3) N/A 9.0 μg/m3 (38) 38.0
 
April 3, 2020, 8 a.m. 11.4 ppb (11) -0.9 ppb (0) N/A 12.0 ppb (11) N/A N/A 17.0 ppb (13) 0.27 ppb (3) N/A 8.1 μg/m3 (34) 34.0
 
April 3, 2020, 7 a.m. 8.4 ppb (8) -1.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 25.0 ppb (19) 0.25 ppb (3) N/A 8.6 μg/m3 (36) 36.0
 
April 3, 2020, 6 a.m. 7.6 ppb (7) -1.1 ppb (0) N/A 9.0 ppb (8) N/A N/A 28.0 ppb (22) 0.25 ppb (3) N/A 12.5 μg/m3 (51) 51.0
 
April 3, 2020, 5 a.m. 5.1 ppb (5) -1.2 ppb (0) N/A 6.0 ppb (6) N/A N/A 35.0 ppb (27) 0.22 ppb (2) N/A 8.8 μg/m3 (37) 37.0
 
April 3, 2020, 4 a.m. 3.3 ppb (3) -1.3 ppb (0) N/A 5.0 ppb (5) N/A N/A 39.0 ppb (30) 0.19 ppb (2) N/A 5.6 μg/m3 (23) 30.0
 
April 3, 2020, 3 a.m. 1.6 ppb (1) -1.4 ppb (0) N/A 3.0 ppb (3) N/A N/A 46.0 ppb (35) 0.16 ppb (2) N/A 4.7 μg/m3 (20) 35.0
 
April 3, 2020, 2 a.m. 1.2 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 47.0 ppb (36) 0.15 ppb (2) N/A 6.2 μg/m3 (26) 36.0
 
April 3, 2020, 1 a.m. 1.0 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.16 ppb (2) N/A 7.6 μg/m3 (32) 39.0
 
April 3, 2020, midnight 0.7 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.17 ppb (2) N/A 8.8 μg/m3 (37) 39.0
 
April 2, 2020, 11 p.m. 0.8 ppb (1) -1.3 ppb (0) N/A 2.0 ppb (2) N/A N/A 51.0 ppb (39) 0.16 ppb (2) N/A 11.2 μg/m3 (47) 47.0