ID: 1511

AQSQID: 380150003

Site Name: Bismarck Residential

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

Updated: Aug. 9, 2020, 7:44 p.m.

Location: Bismarck (Bismarck Cathedral Area Historic Dist), ND

Reporting: True, Located: True

Current AQI: 38.0

Bismarck (Bismarck Cathedral Area Historic Dist) ND, US: 46.8253, -100.7681

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 2, 2020, 5 p.m. 1.1 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 2.3 μg/m3 (10) 20.0
 
Aug. 2, 2020, 4 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
Aug. 2, 2020, 3 p.m. 1.3 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 3.6 μg/m3 (15) 18.0
 
Aug. 2, 2020, 2 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) N/A 3.6 μg/m3 (15) 15.0
 
Aug. 2, 2020, 1 p.m. 2.3 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
Aug. 2, 2020, noon 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2020, 11 a.m. 4.6 ppb (4) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 12.0 ppb (9) 0.13 ppb (1) N/A 3.8 μg/m3 (16) 16.0
 
Aug. 2, 2020, 10 a.m. 4.3 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 13.0 ppb (10) 0.13 ppb (1) N/A 3.2 μg/m3 (13) 13.0
 
Aug. 2, 2020, 9 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 3.9 μg/m3 (16) 16.0
 
Aug. 2, 2020, 8 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
Aug. 2, 2020, 7 a.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) 0.11 ppb (1) N/A 4.1 μg/m3 (17) 17.0
 
Aug. 2, 2020, 6 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 21.0 ppb (16) 0.12 ppb (1) N/A 7.7 μg/m3 (32) 32.0
 
Aug. 2, 2020, 5 a.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 21.0 ppb (16) 0.13 ppb (1) N/A 9.1 μg/m3 (38) 38.0
 
Aug. 2, 2020, 4 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
Aug. 2, 2020, 3 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.14 ppb (2) N/A 6.4 μg/m3 (27) 27.0
 
Aug. 2, 2020, 2 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.04 ppb (0) N/A 5.4 μg/m3 (23) 23.0
 
Aug. 2, 2020, 1 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) 0.16 ppb (2) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 2, 2020, midnight 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 7.1 μg/m3 (30) 30.0
 
Aug. 1, 2020, 11 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.16 ppb (2) N/A 4.9 μg/m3 (20) 22.0
 
Aug. 1, 2020, 10 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.16 ppb (2) N/A 5.4 μg/m3 (23) 23.0
 
Aug. 1, 2020, 9 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) N/A 4.1 μg/m3 (17) 23.0
 
Aug. 1, 2020, 8 p.m. 1.2 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 30.0 ppb (23) 0.15 ppb (2) N/A 2.0 μg/m3 (8) 23.0
 
Aug. 1, 2020, 7 p.m. 1.4 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 29.0 ppb (22) 0.15 ppb (2) N/A 3.6 μg/m3 (15) 22.0
 
Aug. 1, 2020, 6 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 3.4 μg/m3 (14) 22.0
 
Aug. 1, 2020, 5 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 28.0 ppb (22) 0.15 ppb (2) N/A 1.3 μg/m3 (5) 22.0
 
Aug. 1, 2020, 4 p.m. 1.8 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) 0.13 ppb (1) N/A 0.2 μg/m3 (1) 19.0
 
Aug. 1, 2020, 3 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.13 ppb (1) N/A 3.1 μg/m3 (13) 18.0
 
Aug. 1, 2020, 2 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.14 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
Aug. 1, 2020, 1 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A 3.4 μg/m3 (14) 14.0
 
Aug. 1, 2020, noon 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 4.6 μg/m3 (19) 19.0
 
Aug. 1, 2020, 11 a.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 14.0 ppb (11) 0.11 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
Aug. 1, 2020, 10 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 15.0 ppb (12) 0.12 ppb (1) N/A 5.7 μg/m3 (24) 24.0
 
Aug. 1, 2020, 9 a.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 6.5 μg/m3 (27) 27.0
 
Aug. 1, 2020, 8 a.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 19.0 ppb (15) 0.12 ppb (1) N/A 5.4 μg/m3 (23) 23.0
 
Aug. 1, 2020, 7 a.m. 1.4 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2020, 6 a.m. 1.7 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
Aug. 1, 2020, 5 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
Aug. 1, 2020, 4 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
Aug. 1, 2020, 3 a.m. 2.8 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.14 ppb (2) N/A 4.7 μg/m3 (20) 25.0
 
Aug. 1, 2020, 2 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (27) 0.02 ppb (0) N/A 4.4 μg/m3 (18) 27.0
 
Aug. 1, 2020, 1 a.m. 1.8 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) N/A 2.1 μg/m3 (9) 29.0
 
Aug. 1, 2020, midnight 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 41.0 ppb (32) 0.12 ppb (1) N/A 1.5 μg/m3 (6) 32.0
 
July 31, 2020, 11 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (33) 0.11 ppb (1) N/A 3.0 μg/m3 (12) 33.0
 
July 31, 2020, 10 p.m. 2.9 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (35) 0.12 ppb (1) N/A 4.5 μg/m3 (19) 35.0
 
July 31, 2020, 9 p.m. 2.8 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (35) 0.11 ppb (1) N/A 5.8 μg/m3 (24) 35.0
 
July 31, 2020, 8 p.m. 2.3 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (32) 0.11 ppb (1) N/A 7.4 μg/m3 (31) 32.0
 
July 31, 2020, 7 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
July 31, 2020, 6 p.m. 3.6 ppb (3) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) 0.13 ppb (1) N/A 7.6 μg/m3 (32) 32.0
 
July 31, 2020, 5 p.m. 6.3 ppb (6) 1.5 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 42.0 ppb (32) 0.13 ppb (1) N/A 6.1 μg/m3 (25) 32.0
 
July 31, 2020, 4 p.m. 7.0 ppb (6) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 35.0 ppb (27) 0.13 ppb (1) N/A 3.7 μg/m3 (15) 27.0
 
July 31, 2020, 3 p.m. 7.5 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 30.0 ppb (23) 0.12 ppb (1) N/A 4.9 μg/m3 (20) 23.0
 
July 31, 2020, 2 p.m. 4.2 ppb (4) 1.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 21.0
 
July 31, 2020, 1 p.m. 4.5 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.11 ppb (1) N/A 4.4 μg/m3 (18) 18.0
 
July 31, 2020, noon 8.8 ppb (8) 1.5 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 16.0 ppb (12) 0.16 ppb (2) N/A 4.1 μg/m3 (17) 17.0
 
July 31, 2020, 11 a.m. 5.6 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.11 ppb (1) N/A 2.7 μg/m3 (11) 14.0
 
July 31, 2020, 10 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 21.0 ppb (16) 0.09 ppb (1) N/A 2.2 μg/m3 (9) 16.0
 
July 31, 2020, 9 a.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 23.0 ppb (18) 0.09 ppb (1) N/A 3.0 μg/m3 (12) 18.0
 
July 31, 2020, 8 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 17.0
 
July 31, 2020, 7 a.m. 3.4 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.1 ppb (1) N/A 2.1 μg/m3 (9) 18.0
 
July 31, 2020, 6 a.m. 3.0 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.1 ppb (1) N/A 4.9 μg/m3 (20) 20.0
 
July 31, 2020, 5 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 8.8 μg/m3 (37) 37.0
 
July 31, 2020, 4 a.m. 5.0 ppb (5) 0.5 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 28.0 ppb (22) 0.14 ppb (2) N/A 6.8 μg/m3 (28) 28.0
 
July 31, 2020, 3 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 32.0 ppb (25) 0.13 ppb (1) N/A 4.6 μg/m3 (19) 25.0
 
July 31, 2020, 2 a.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.02 ppb (0) N/A 3.7 μg/m3 (15) 25.0
 
July 31, 2020, 1 a.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 3.9 μg/m3 (16) 25.0
 
July 31, 2020, midnight 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 4.4 μg/m3 (18) 28.0
 
July 30, 2020, 11 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) N/A 4.5 μg/m3 (19) 29.0
 
July 30, 2020, 10 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A 2.4 μg/m3 (10) 30.0
 
July 30, 2020, 9 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A 1.8 μg/m3 (8) 30.0
 
July 30, 2020, 8 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A 2.9 μg/m3 (12) 30.0
 
July 30, 2020, 7 p.m. 1.9 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 39.0 ppb (30) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 30.0
 
July 30, 2020, 6 p.m. 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 6.2 μg/m3 (26) 28.0
 
July 30, 2020, 5 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 5.3 μg/m3 (22) 28.0
 
July 30, 2020, 4 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 33.0 ppb (25) 0.12 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
July 30, 2020, 3 p.m. 3.3 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.13 ppb (1) N/A 8.3 μg/m3 (35) 35.0
 
July 30, 2020, 2 p.m. 6.9 ppb (6) 2.4 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) 0.14 ppb (2) N/A 7.9 μg/m3 (33) 33.0
 
July 30, 2020, 1 p.m. 6.5 ppb (6) 2.2 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 4.0 μg/m3 (17) 17.0
 
July 30, 2020, noon 11.0 ppb (10) 3.2 ppb (3) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.16 ppb (2) N/A 5.9 μg/m3 (25) 25.0
 
July 30, 2020, 11 a.m. 10.4 ppb (10) 1.1 ppb (1) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 8.0 ppb (6) 0.13 ppb (1) N/A 8.2 μg/m3 (34) 34.0
 
July 30, 2020, 10 a.m. 8.9 ppb (8) 0.5 ppb (0) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 9.0 ppb (7) 0.12 ppb (1) N/A 5.2 μg/m3 (22) 22.0
 
July 30, 2020, 9 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 15.0 ppb (12) 0.11 ppb (1) N/A 6.0 μg/m3 (25) 25.0
 
July 30, 2020, 8 a.m. 6.8 ppb (6) 0.4 ppb (0) N/A 6.0 ppb (6) N/A 0.0 ppb (0) 14.0 ppb (11) 0.14 ppb (2) N/A 6.7 μg/m3 (28) 28.0
 
July 30, 2020, 7 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 17.0 ppb (13) 0.13 ppb (1) N/A 5.6 μg/m3 (23) 23.0
 
July 30, 2020, 6 a.m. 4.3 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.13 ppb (1) N/A 4.2 μg/m3 (18) 18.0
 
July 30, 2020, 5 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
July 30, 2020, 4 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.12 ppb (1) N/A 8.0 μg/m3 (33) 33.0
 
July 30, 2020, 3 a.m. 3.2 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 27.0 ppb (21) 0.13 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
July 30, 2020, 2 a.m. 5.1 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 25.0 ppb (19) 0.03 ppb (0) N/A 7.4 μg/m3 (31) 31.0
 
July 30, 2020, 1 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.15 ppb (2) N/A 3.6 μg/m3 (15) 26.0
 
July 30, 2020, midnight 2.0 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (28) 0.13 ppb (1) N/A 3.2 μg/m3 (13) 28.0
 
July 29, 2020, 11 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 4.2 μg/m3 (18) 28.0
 
July 29, 2020, 10 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 5.7 μg/m3 (24) 28.0
 
July 29, 2020, 9 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A 6.1 μg/m3 (25) 29.0
 
July 29, 2020, 8 p.m. 1.7 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.11 ppb (1) N/A 4.4 μg/m3 (18) 29.0
 
July 29, 2020, 7 p.m. 1.8 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.12 ppb (1) N/A 4.9 μg/m3 (20) 28.0
 
July 29, 2020, 6 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.11 ppb (1) N/A 6.1 μg/m3 (25) 28.0
 
July 29, 2020, 5 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 3.5 μg/m3 (15) 28.0
 
July 29, 2020, 4 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 6.8 μg/m3 (28) 28.0
 
July 29, 2020, 3 p.m. 3.4 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) 0.12 ppb (1) N/A 7.3 μg/m3 (30) 30.0
 
July 29, 2020, 2 p.m. 4.6 ppb (4) 1.4 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 23.0 ppb (18) 0.12 ppb (1) N/A 6.4 μg/m3 (27) 27.0
 
July 29, 2020, 1 p.m. 7.9 ppb (7) 2.5 ppb (2) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 18.0 ppb (14) 0.14 ppb (2) N/A 4.8 μg/m3 (20) 20.0
 
July 29, 2020, noon 11.6 ppb (11) 3.0 ppb (3) N/A 9.0 ppb (8) N/A 0.0 ppb (0) 12.0 ppb (9) 0.15 ppb (2) N/A 3.1 μg/m3 (13) 13.0
 
July 29, 2020, 11 a.m. 7.5 ppb (7) 0.7 ppb (1) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 12.0 ppb (9) 0.12 ppb (1) N/A 2.0 μg/m3 (8) 9.0
 
July 29, 2020, 10 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.11 ppb (1) N/A 4.5 μg/m3 (19) 19.0
 
July 29, 2020, 9 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 16.0 ppb (12) 0.11 ppb (1) N/A 6.7 μg/m3 (28) 28.0
 
July 29, 2020, 8 a.m. 4.2 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 17.0 ppb (13) 0.11 ppb (1) N/A 2.6 μg/m3 (11) 13.0
 
July 29, 2020, 7 a.m. 5.3 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 16.0 ppb (12) 0.12 ppb (1) N/A 2.9 μg/m3 (12) 12.0
 
July 29, 2020, 6 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 20.0 ppb (15) 0.12 ppb (1) N/A 6.2 μg/m3 (26) 26.0
 
July 29, 2020, 5 a.m. 4.5 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 22.0 ppb (17) 0.12 ppb (1) N/A 9.6 μg/m3 (40) 40.0
 
July 29, 2020, 4 a.m. 4.7 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 5.1 μg/m3 (21) 21.0
 
July 29, 2020, 3 a.m. 4.6 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.13 ppb (1) N/A 3.5 μg/m3 (15) 20.0
 
July 29, 2020, 2 a.m. 7.6 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 25.0 ppb (19) 0.03 ppb (0) N/A 4.4 μg/m3 (18) 19.0
 
July 29, 2020, 1 a.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 6.9 μg/m3 (29) 29.0
 
July 29, 2020, midnight 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.12 ppb (1) N/A 3.8 μg/m3 (16) 27.0
 
July 28, 2020, 11 p.m. 1.5 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.12 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
July 28, 2020, 10 p.m. 1.6 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 3.1 μg/m3 (13) 28.0
 
July 28, 2020, 9 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 38.0 ppb (29) 0.12 ppb (1) N/A 3.5 μg/m3 (15) 29.0
 
July 28, 2020, 8 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (28) 0.11 ppb (1) N/A 5.0 μg/m3 (21) 28.0
 
July 28, 2020, 7 p.m. 1.7 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 2.8 μg/m3 (12) 28.0
 
July 28, 2020, 6 p.m. 1.6 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (28) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 28.0
 
July 28, 2020, 5 p.m. 1.6 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (27) 0.11 ppb (1) N/A 5.6 μg/m3 (23) 27.0
 
July 28, 2020, 4 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (26) 0.12 ppb (1) N/A 4.8 μg/m3 (20) 26.0
 
July 28, 2020, 3 p.m. 3.7 ppb (3) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 28.0 ppb (22) 0.12 ppb (1) N/A 4.3 μg/m3 (18) 22.0
 
July 28, 2020, 2 p.m. 6.0 ppb (6) 1.9 ppb (2) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 24.0 ppb (18) 0.15 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
July 28, 2020, 1 p.m. 14.7 ppb (14) 5.4 ppb (5) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 16.0 ppb (12) 0.17 ppb (2) N/A 4.4 μg/m3 (18) 18.0
 
July 28, 2020, noon 20.2 ppb (19) 6.1 ppb (6) N/A 14.0 ppb (13) N/A 1.0 ppb (1) 10.0 ppb (8) 0.25 ppb (3) N/A 3.8 μg/m3 (16) 19.0
 
July 28, 2020, 11 a.m. 11.7 ppb (11) 1.1 ppb (1) N/A 11.0 ppb (10) N/A 0.0 ppb (0) 14.0 ppb (11) 0.16 ppb (2) N/A 4.3 μg/m3 (18) 18.0
 
July 28, 2020, 10 a.m. 8.9 ppb (8) 0.6 ppb (1) N/A 8.0 ppb (7) N/A 0.0 ppb (0) 16.0 ppb (12) 0.13 ppb (1) N/A 3.4 μg/m3 (14) 14.0
 
July 28, 2020, 9 a.m. 7.4 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 13.0 ppb (10) 0.15 ppb (2) N/A 3.3 μg/m3 (14) 14.0
 
July 28, 2020, 8 a.m. 7.1 ppb (7) 0.4 ppb (0) N/A 7.0 ppb (6) N/A 0.0 ppb (0) 15.0 ppb (12) 0.16 ppb (2) N/A 3.9 μg/m3 (16) 16.0
 
July 28, 2020, 7 a.m. 3.8 ppb (4) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 22.0 ppb (17) 0.1 ppb (1) N/A 2.3 μg/m3 (10) 17.0
 
July 28, 2020, 6 a.m. 2.9 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 25.0 ppb (19) 0.11 ppb (1) N/A 0.0 μg/m3 (0) 19.0
 
July 28, 2020, 5 a.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (22) 0.1 ppb (1) N/A 2.6 μg/m3 (11) 22.0
 
July 28, 2020, 4 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (23) 0.1 ppb (1) N/A 3.1 μg/m3 (13) 23.0
 
July 28, 2020, 3 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 29.0 ppb (22) 0.12 ppb (1) N/A 3.0 μg/m3 (12) 22.0
 
July 28, 2020, 2 a.m. 3.2 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (23) 0.03 ppb (0) N/A 4.1 μg/m3 (17) 23.0
 
July 28, 2020, 1 a.m. 2.6 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) N/A 3.9 μg/m3 (16) 28.0
 
July 28, 2020, midnight 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.11 ppb (1) N/A 3.4 μg/m3 (14) 30.0
 
July 27, 2020, 11 p.m. 3.0 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 41.0 ppb (32) 0.11 ppb (1) N/A 3.4 μg/m3 (14) 32.0
 
July 27, 2020, 10 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 43.0 ppb (33) 0.11 ppb (1) N/A 4.8 μg/m3 (20) 33.0
 
July 27, 2020, 9 p.m. 3.2 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 46.0 ppb (35) 0.1 ppb (1) N/A 2.8 μg/m3 (12) 35.0
 
July 27, 2020, 8 p.m. 2.6 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.1 ppb (1) N/A 2.2 μg/m3 (9) 30.0
 
July 27, 2020, 7 p.m. 4.2 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 38.0 ppb (29) 0.1 ppb (1) N/A 2.9 μg/m3 (12) 29.0
 
July 27, 2020, 6 p.m. 5.5 ppb (5) 1.4 ppb (1) N/A 4.0 ppb (4) N/A 3.0 ppb (4) 38.0 ppb (29) 0.12 ppb (1) N/A 4.0 μg/m3 (17) 29.0
 
July 27, 2020, 5 p.m. 5.9 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 34.0 ppb (26) 0.11 ppb (1) N/A 4.0 μg/m3 (17) 26.0
 
July 27, 2020, 4 p.m. 7.9 ppb (7) 2.6 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 27.0 ppb (21) 0.13 ppb (1) N/A 5.8 μg/m3 (24) 24.0
 
July 27, 2020, 3 p.m. 10.6 ppb (10) 3.9 ppb (4) N/A 7.0 ppb (6) N/A 3.0 ppb (4) 21.0 ppb (16) 0.14 ppb (2) N/A 4.9 μg/m3 (20) 20.0
 
July 27, 2020, 2 p.m. 21.9 ppb (20) 10.4 ppb (10) N/A 12.0 ppb (11) N/A 4.0 ppb (6) 11.0 ppb (8) 0.21 ppb (2) N/A 5.6 μg/m3 (23) 23.0
 
July 27, 2020, 1 p.m. 25.8 ppb (24) 12.4 ppb (11) N/A 13.0 ppb (12) N/A 11.0 ppb (16) 8.0 ppb (6) 0.16 ppb (2) N/A 6.9 μg/m3 (29) 29.0
 
July 27, 2020, noon 16.9 ppb (16) 6.6 ppb (6) N/A 10.0 ppb (9) N/A 0.0 ppb (0) 7.0 ppb (5) 0.17 ppb (2) N/A 1.1 μg/m3 (5) 16.0
 
July 27, 2020, 11 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 13.0 ppb (10) 0.11 ppb (1) N/A 0.8 μg/m3 (3) 10.0
 
July 27, 2020, 10 a.m. 5.8 ppb (5) 0.6 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 14.0 ppb (11) 0.1 ppb (1) N/A 0.9 μg/m3 (4) 11.0
 
July 27, 2020, 9 a.m. 3.7 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) 0.09 ppb (1) N/A 1.3 μg/m3 (5) 15.0
 
July 27, 2020, 8 a.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 19.0 ppb (15) 0.09 ppb (1) N/A 2.0 μg/m3 (8) 15.0
 
July 27, 2020, 7 a.m. 3.6 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 18.0 ppb (14) 0.09 ppb (1) N/A 2.5 μg/m3 (10) 14.0
 
July 27, 2020, 6 a.m. 4.0 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 19.0 ppb (15) 0.11 ppb (1) N/A 3.2 μg/m3 (13) 15.0
 
July 27, 2020, 5 a.m. 5.6 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 19.0 ppb (15) 0.12 ppb (1) N/A 4.2 μg/m3 (18) 18.0
 
July 27, 2020, 4 a.m. 3.5 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 24.0 ppb (18) 0.12 ppb (1) N/A 1.5 μg/m3 (6) 18.0
 
July 27, 2020, 3 a.m. 4.8 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 26.0 ppb (20) 0.11 ppb (1) N/A 3.2 μg/m3 (13) 20.0
 
July 27, 2020, 2 a.m. 4.9 ppb (5) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) 0.03 ppb (0) N/A 5.7 μg/m3 (24) 24.0
 
July 27, 2020, 1 a.m. 3.8 ppb (4) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 33.0 ppb (25) 0.12 ppb (1) N/A 5.3 μg/m3 (22) 25.0
 
July 27, 2020, midnight 3.0 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 37.0 ppb (28) 0.11 ppb (1) N/A 4.2 μg/m3 (18) 28.0
 
July 26, 2020, 11 p.m. 3.1 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) 0.11 ppb (1) N/A 1.4 μg/m3 (6) 29.0
 
July 26, 2020, 10 p.m. 3.7 ppb (3) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 42.0 ppb (32) 0.11 ppb (1) N/A 1.6 μg/m3 (7) 32.0
 
July 26, 2020, 9 p.m. 2.9 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 39.0 ppb (30) 0.11 ppb (1) N/A 0.1 μg/m3 (0) 30.0
 
July 26, 2020, 8 p.m. 2.4 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) 0.11 ppb (1) N/A 3.3 μg/m3 (14) 29.0
 
July 26, 2020, 7 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) 0.11 ppb (1) N/A 5.6 μg/m3 (23) 29.0
 
July 26, 2020, 6 p.m. 2.9 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) 0.11 ppb (1) N/A 2.5 μg/m3 (10) 31.0