ID: 1328

AQSQID: 380570004

Site Name: Beulah North

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

Updated: July 15, 2020, 12:39 a.m.

Location: Beulah (45th Ave Swest), ND

Reporting: True, Located: True

Current AQI: 26.0

Beulah (45th Ave Swest) ND, US: 47.2986, -101.7669

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 14, 2020, 8 p.m. 1.5 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A -0.8 μg/m3 (0) 26.0
 
July 14, 2020, 7 p.m. 2.8 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 0.9 μg/m3 (4) 26.0
 
July 14, 2020, 6 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 3.4 μg/m3 (14) 25.0
 
July 14, 2020, 5 p.m. 2.4 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 4.9 μg/m3 (20) 26.0
 
July 14, 2020, 4 p.m. 2.2 ppb (2) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 5.3 μg/m3 (22) 25.0
 
July 14, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A N/A N/A 1.0
 
July 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
July 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A N/A 12.0
 
July 14, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A N/A -1.2 μg/m3 (0) 13.0
 
July 14, 2020, 11 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 0.7 μg/m3 (3) 12.0
 
July 14, 2020, 10 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 0.9 μg/m3 (4) 12.0
 
July 14, 2020, 9 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A -1.2 μg/m3 (0) 15.0
 
July 14, 2020, 8 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 1.5 μg/m3 (6) 14.0
 
July 14, 2020, 7 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.6 μg/m3 (19) 20.0
 
July 14, 2020, 6 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
July 14, 2020, 5 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 3.3 μg/m3 (14) 23.0
 
July 14, 2020, 4 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
July 14, 2020, 3 a.m. 6.5 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 14, 2020, 2 a.m. 9.5 ppb (9) 0.0 ppb (0) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 14, 2020, 1 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 1.5 μg/m3 (6) 26.0
 
July 14, 2020, midnight 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.1 μg/m3 (9) 31.0
 
July 13, 2020, 11 p.m. 1.2 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 3.8 μg/m3 (16) 30.0
 
July 13, 2020, 10 p.m. 1.9 ppb (2) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 4.0 μg/m3 (17) 30.0
 
July 13, 2020, 9 p.m. 2.2 ppb (2) 1.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 13, 2020, 8 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 4.3 μg/m3 (18) 33.0
 
July 13, 2020, 7 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 2.2 μg/m3 (9) 35.0
 
July 13, 2020, 6 p.m. 3.4 ppb (3) 1.1 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 45.0 ppb (35) N/A N/A 0.2 μg/m3 (1) 35.0
 
July 13, 2020, 5 p.m. 5.0 ppb (5) 1.5 ppb (1) N/A 3.0 ppb (3) N/A 4.0 ppb (6) 40.0 ppb (31) N/A N/A 1.2 μg/m3 (5) 31.0
 
July 13, 2020, 4 p.m. 2.9 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
July 13, 2020, 3 p.m. 1.5 ppb (1) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.6 μg/m3 (11) 29.0
 
July 13, 2020, 2 p.m. 2.2 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 3.8 μg/m3 (16) 26.0
 
July 13, 2020, 1 p.m. 3.2 ppb (3) 0.6 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 5.3 μg/m3 (22) 26.0
 
July 13, 2020, noon 3.4 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
July 13, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.4 μg/m3 (10) 15.0
 
July 13, 2020, 10 a.m. 2.9 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 15.0
 
July 13, 2020, 9 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.2 μg/m3 (9) 18.0
 
July 13, 2020, 8 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 4.1 μg/m3 (17) 17.0
 
July 13, 2020, 7 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
July 13, 2020, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 2.7 μg/m3 (11) 25.0
 
July 13, 2020, 5 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 2.9 μg/m3 (12) 27.0
 
July 13, 2020, 4 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
July 13, 2020, 3 a.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.6 μg/m3 (11) 29.0
 
July 13, 2020, 2 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 4.1 μg/m3 (17) 29.0
 
July 13, 2020, 1 a.m. 0.1 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 5.5 μg/m3 (23) 28.0
 
July 13, 2020, midnight 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 6.4 μg/m3 (27) 30.0
 
July 12, 2020, 11 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 4.3 μg/m3 (18) 32.0
 
July 12, 2020, 10 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A 0.8 μg/m3 (3) 32.0
 
July 12, 2020, 9 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A 3.4 μg/m3 (14) 32.0
 
July 12, 2020, 8 p.m. 0.2 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 2.9 μg/m3 (12) 32.0
 
July 12, 2020, 7 p.m. 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 1.3 μg/m3 (5) 31.0
 
July 12, 2020, 6 p.m. 0.4 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 1.8 μg/m3 (8) 31.0
 
July 12, 2020, 5 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 2.7 μg/m3 (11) 30.0
 
July 12, 2020, 4 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 2.7 μg/m3 (11) 28.0
 
July 12, 2020, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 4.1 μg/m3 (17) 28.0
 
July 12, 2020, 2 p.m. 2.4 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 5.0 μg/m3 (21) 21.0
 
July 12, 2020, 1 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
July 12, 2020, noon 2.7 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 1.4 μg/m3 (6) 16.0
 
July 12, 2020, 11 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 3.2 μg/m3 (13) 15.0
 
July 12, 2020, 10 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 4.7 μg/m3 (20) 20.0
 
July 12, 2020, 9 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 12, 2020, 8 a.m. 3.2 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 4.0 μg/m3 (17) 17.0
 
July 12, 2020, 7 a.m. 3.6 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
July 12, 2020, 6 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 12, 2020, 5 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 2.0 μg/m3 (8) 27.0
 
July 12, 2020, 4 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 1.9 μg/m3 (8) 33.0
 
July 12, 2020, 3 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 3.9 μg/m3 (16) 34.0
 
July 12, 2020, 2 a.m. 2.8 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 3.8 μg/m3 (16) 32.0
 
July 12, 2020, 1 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 3.6 μg/m3 (15) 32.0
 
July 12, 2020, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 43.0 ppb (33) N/A N/A 2.4 μg/m3 (10) 33.0
 
July 11, 2020, 11 p.m. 1.4 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 2.2 μg/m3 (9) 34.0
 
July 11, 2020, 10 p.m. 5.3 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 13.0 ppb (19) 42.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
July 11, 2020, 9 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A -0.1 μg/m3 (0) 34.0
 
July 11, 2020, 8 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 43.0 ppb (33) N/A N/A 1.3 μg/m3 (5) 33.0
 
July 11, 2020, 7 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 44.0 ppb (34) N/A N/A 2.7 μg/m3 (11) 34.0
 
July 11, 2020, 6 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.9 μg/m3 (12) 31.0
 
July 11, 2020, 5 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 3.0 ppb (4) 36.0 ppb (28) N/A N/A 3.5 μg/m3 (15) 28.0
 
July 11, 2020, 4 p.m. 1.2 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 2.5 μg/m3 (10) 26.0
 
July 11, 2020, 3 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
July 11, 2020, 2 p.m. 1.8 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 1.4 μg/m3 (6) 23.0
 
July 11, 2020, 1 p.m. 2.2 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 1.0 μg/m3 (4) 16.0
 
July 11, 2020, noon 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 2.4 μg/m3 (10) 14.0
 
July 11, 2020, 11 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
July 11, 2020, 10 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
July 11, 2020, 9 a.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.2 μg/m3 (9) 15.0
 
July 11, 2020, 8 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 1.3 μg/m3 (5) 14.0
 
July 11, 2020, 7 a.m. 1.2 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 0.4 μg/m3 (2) 15.0
 
July 11, 2020, 6 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.9 μg/m3 (12) 18.0
 
July 11, 2020, 5 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.4 μg/m3 (23) 23.0
 
July 11, 2020, 4 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 3.6 μg/m3 (15) 23.0
 
July 11, 2020, 3 a.m. 2.6 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 11, 2020, 2 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 3.8 μg/m3 (16) 20.0
 
July 11, 2020, 1 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.2 μg/m3 (30) 30.0
 
July 11, 2020, midnight 2.6 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
July 10, 2020, 11 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
July 10, 2020, 10 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 1.3 μg/m3 (5) 27.0
 
July 10, 2020, 9 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.8 μg/m3 (12) 31.0
 
July 10, 2020, 8 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.1 μg/m3 (9) 29.0
 
July 10, 2020, 7 p.m. 7.3 ppb (7) 2.0 ppb (2) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 1.4 μg/m3 (6) 24.0
 
July 10, 2020, 6 p.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 3.3 μg/m3 (14) 27.0
 
July 10, 2020, 5 p.m. 3.2 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 4.2 μg/m3 (18) 24.0
 
July 10, 2020, 4 p.m. 5.4 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
July 10, 2020, 3 p.m. 5.1 ppb (5) 1.9 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
July 10, 2020, 2 p.m. 2.9 ppb (3) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
July 10, 2020, 1 p.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 2.1 μg/m3 (9) 12.0
 
July 10, 2020, noon 9.3 ppb (9) 4.0 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 1.0 μg/m3 (4) 9.0
 
July 10, 2020, 11 a.m. 5.9 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 2.4 μg/m3 (10) 10.0
 
July 10, 2020, 10 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 2.0 μg/m3 (8) 8.0
 
July 10, 2020, 9 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 1.3 μg/m3 (5) 8.0
 
July 10, 2020, 8 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 1.8 μg/m3 (8) 11.0
 
July 10, 2020, 7 a.m. 6.6 ppb (6) 0.0 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 1.6 μg/m3 (7) 10.0
 
July 10, 2020, 6 a.m. 7.3 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 1.2 μg/m3 (5) 12.0
 
July 10, 2020, 5 a.m. 14.4 ppb (13) 0.0 ppb (0) N/A 15.0 ppb (14) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 2.5 μg/m3 (10) 14.0
 
July 10, 2020, 4 a.m. 4.6 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.9 μg/m3 (12) 15.0
 
July 10, 2020, 3 a.m. 3.9 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.4 μg/m3 (10) 18.0
 
July 10, 2020, 2 a.m. 2.5 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
July 10, 2020, 1 a.m. 1.9 ppb (2) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
July 10, 2020, midnight 3.8 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 4.0 ppb (6) 32.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
July 9, 2020, 11 p.m. 5.3 ppb (5) 1.3 ppb (1) N/A 4.0 ppb (4) N/A 5.0 ppb (7) 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
July 9, 2020, 10 p.m. 2.6 ppb (2) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 1.4 μg/m3 (6) 25.0
 
July 9, 2020, 9 p.m. 2.5 ppb (2) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 2.5 μg/m3 (10) 24.0
 
July 9, 2020, 8 p.m. 3.6 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 2.4 μg/m3 (10) 22.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 1.4 μg/m3 (6) 22.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 0.4 μg/m3 (2) 20.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 0.0 μg/m3 (0) 19.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 0.0 μg/m3 (0) 18.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A -0.8 μg/m3 (0) 18.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 0.3 μg/m3 (1) 18.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 0.5 μg/m3 (2) 18.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 0.8 μg/m3 (3) 15.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 3.7 μg/m3 (15) 15.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 2.6 μg/m3 (11) 19.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 0.2 μg/m3 (1) 18.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 2.4 μg/m3 (10) 19.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A 3.0 ppb (4) 23.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.6 μg/m3 (32) 32.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 3.2 μg/m3 (13) 26.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.2 μg/m3 (9) 29.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 42.0 ppb (32) N/A N/A 3.1 μg/m3 (13) 32.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 5.2 μg/m3 (22) 31.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 3.7 μg/m3 (15) 32.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 1.8 μg/m3 (8) 32.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 3.8 μg/m3 (16) 31.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 4.8 μg/m3 (20) 30.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 2.2 μg/m3 (9) 29.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.3 μg/m3 (10) 31.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 0.5 μg/m3 (2) 32.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 1.8 μg/m3 (8) 27.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 0.5 μg/m3 (2) 23.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 0.2 μg/m3 (1) 25.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 1.0 μg/m3 (4) 27.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A N/A 30.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 47.0 ppb (36) N/A N/A N/A 36.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 54.0 ppb (42) N/A N/A N/A 42.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 39.0 ppb (30) N/A N/A 1.5 μg/m3 (6) 30.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 3.1 μg/m3 (13) 31.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 2.7 μg/m3 (11) 31.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 1.3 μg/m3 (5) 32.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A 1.0 ppb (1) 44.0 ppb (34) N/A N/A 2.7 μg/m3 (11) 34.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 3.8 μg/m3 (16) 35.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 46.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 48.0 ppb (37) N/A N/A 1.5 μg/m3 (6) 37.0