AQSQID: 380570004

Site Name: Beulah North

Location: Beulah (45th Ave Swest), ND

Reporting: True, Located: True

Current AQI: 19.0

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
Jan. 19, 2020, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 19, 2020, noon 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 3.1 μg/m3 (13) 17.0
 
Jan. 19, 2020, 11 a.m. 3.1 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 3.8 μg/m3 (16) 16.0
 
Jan. 19, 2020, 10 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 4.2 μg/m3 (18) 18.0
 
Jan. 19, 2020, 9 a.m. 1.9 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 19, 2020, 8 a.m. 1.6 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 4.8 μg/m3 (20) 20.0
 
Jan. 19, 2020, 7 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Jan. 19, 2020, 6 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 4.0 μg/m3 (17) 18.0
 
Jan. 19, 2020, 5 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 5.1 μg/m3 (21) 21.0
 
Jan. 19, 2020, 4 a.m. 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 19, 2020, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2020, 2 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 19, 2020, 1 a.m. 0.1 ppb (0) 0.6 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 19, 2020, midnight 0.2 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 4.8 μg/m3 (20) 24.0
 
Jan. 18, 2020, 11 p.m. 1.0 ppb (1) 0.4 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.2 μg/m3 (18) 23.0
 
Jan. 18, 2020, 10 p.m. 0.6 ppb (1) 0.7 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 9 p.m. 0.6 ppb (1) 1.1 ppb (1) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 6.1 μg/m3 (25) 25.0
 
Jan. 18, 2020, 8 p.m. 1.2 ppb (1) 1.8 ppb (2) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 6.6 μg/m3 (28) 28.0
 
Jan. 18, 2020, 7 p.m. 1.3 ppb (1) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 8.3 μg/m3 (35) 35.0
 
Jan. 18, 2020, 6 p.m. 1.1 ppb (1) 1.7 ppb (2) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Jan. 18, 2020, 5 p.m. 1.3 ppb (1) 1.8 ppb (2) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 4.5 μg/m3 (19) 21.0
 
Jan. 18, 2020, 4 p.m. 1.1 ppb (1) 1.4 ppb (1) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 4.5 μg/m3 (19) 20.0
 
Jan. 18, 2020, 3 p.m. 1.0 ppb (1) 0.6 ppb (1) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2020, 2 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 7.6 μg/m3 (32) 32.0
 
Jan. 18, 2020, 1 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 18, 2020, noon 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 18, 2020, 11 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 20.0 ppb (15) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 18, 2020, 10 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 18, 2020, 9 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 18, 2020, 8 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 18, 2020, 7 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 30.0
 
Jan. 18, 2020, 6 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2020, 5 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.7 μg/m3 (32) 32.0
 
Jan. 18, 2020, 4 a.m. 1.3 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.4 μg/m3 (23) 23.0
 
Jan. 18, 2020, 3 a.m. 0.7 ppb (1) 0.5 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 18, 2020, 2 a.m. 1.4 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 28.0 ppb (22) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 18, 2020, 1 a.m. 3.7 ppb (3) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 26.0 ppb (20) N/A N/A 11.1 μg/m3 (46) 46.0
 
Jan. 18, 2020, midnight 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 10.6 μg/m3 (44) 44.0
 
Jan. 17, 2020, 11 p.m. 5.5 ppb (5) 0.4 ppb (0) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 24.0 ppb (18) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2020, 10 p.m. 11.0 ppb (10) 3.5 ppb (3) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 17, 2020, 9 p.m. 9.6 ppb (9) 3.0 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 17, 2020, 8 p.m. 4.4 ppb (4) 2.1 ppb (2) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 17, 2020, 7 p.m. 1.3 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
Jan. 17, 2020, 6 p.m. 1.4 ppb (1) 0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 5.7 μg/m3 (24) 24.0
 
Jan. 17, 2020, 5 p.m. 1.5 ppb (1) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 17, 2020, 4 p.m. 3.0 ppb (3) 1.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.7 μg/m3 (36) 36.0
 
Jan. 17, 2020, 3 p.m. 3.8 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2020, 2 p.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.4 μg/m3 (31) 31.0
 
Jan. 17, 2020, 1 p.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 17, 2020, noon 1.1 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.9 μg/m3 (37) 37.0
 
Jan. 17, 2020, 11 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 8.8 μg/m3 (37) 37.0
 
Jan. 17, 2020, 10 a.m. 0.5 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 17, 2020, 9 a.m. 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 17, 2020, 8 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 5.0 μg/m3 (21) 23.0
 
Jan. 17, 2020, 7 a.m. 0.3 ppb (0) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 3.9 μg/m3 (16) 23.0
 
Jan. 17, 2020, 6 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 5.2 μg/m3 (22) 23.0
 
Jan. 17, 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 6.0 μg/m3 (25) 25.0
 
Jan. 17, 2020, 4 a.m. 1.4 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 8.5 μg/m3 (35) 35.0
 
Jan. 17, 2020, 3 a.m. 0.5 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 9.1 μg/m3 (38) 38.0
 
Jan. 17, 2020, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 17, 2020, 1 a.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 17, 2020, midnight 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2020, 11 p.m. 1.5 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 8.2 μg/m3 (34) 34.0
 
Jan. 16, 2020, 10 p.m. 2.7 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 8.5 μg/m3 (35) 35.0
 
Jan. 16, 2020, 9 p.m. 2.5 ppb (2) 1.2 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2020, 8 p.m. 3.0 ppb (3) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 16, 2020, 7 p.m. 1.9 ppb (2) 1.3 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 16, 2020, 6 p.m. 2.5 ppb (2) 1.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 4.3 μg/m3 (18) 25.0
 
Jan. 16, 2020, 5 p.m. 2.3 ppb (2) 1.7 ppb (2) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 16, 2020, 4 p.m. 1.4 ppb (1) 1.1 ppb (1) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 16, 2020, 3 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 13.5 μg/m3 (53) 53.0
 
Jan. 16, 2020, 2 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 16, 2020, 1 p.m. 3.7 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 10.1 μg/m3 (42) 42.0
 
Jan. 16, 2020, noon 5.7 ppb (5) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 8.0 μg/m3 (33) 33.0
 
Jan. 16, 2020, 11 a.m. 4.0 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 8.9 μg/m3 (37) 37.0
 
Jan. 16, 2020, 10 a.m. 4.5 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2020, 9 a.m. 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 9.6 μg/m3 (40) 40.0
 
Jan. 16, 2020, 8 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 16, 2020, 7 a.m. 4.0 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 16, 2020, 6 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 16, 2020, 5 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2020, 4 a.m. 6.4 ppb (6) 0.5 ppb (0) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 16, 2020, 3 a.m. 8.6 ppb (8) 1.1 ppb (1) N/A 7.0 ppb (6) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 5.9 μg/m3 (25) 25.0
 
Jan. 16, 2020, 2 a.m. 7.3 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 16, 2020, 1 a.m. 7.9 ppb (7) 2.2 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 9.8 μg/m3 (41) 41.0
 
Jan. 16, 2020, midnight 12.1 ppb (11) 2.6 ppb (2) N/A 9.0 ppb (8) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 11.6 μg/m3 (48) 48.0
 
Jan. 15, 2020, 11 p.m. 12.6 ppb (12) 3.1 ppb (3) N/A 10.0 ppb (9) N/A 2.0 ppb (3) 23.0 ppb (18) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 15, 2020, 10 p.m. 7.8 ppb (7) 2.3 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 7.8 μg/m3 (32) 32.0
 
Jan. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) 29.0 ppb (22) N/A N/A 17.0 μg/m3 (61) 61.0
 
Jan. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A N/A 22.0
 
Jan. 15, 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 N/A 22.0
 
Jan. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A N/A 23.0
 
Jan. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (23) 23.0
 
Jan. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 15, 2020, 2 p.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.6 μg/m3 (23) 23.0
 
Jan. 15, 2020, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 7.0 μg/m3 (29) 29.0
 
Jan. 15, 2020, noon 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 15, 2020, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 23.0 ppb (18) N/A N/A 4.5 μg/m3 (19) 19.0
 
Jan. 15, 2020, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 6.0 ppb (9) 24.0 ppb (18) N/A N/A 2.3 μg/m3 (10) 18.0
 
Jan. 15, 2020, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 28.0 ppb (22) N/A N/A 3.2 μg/m3 (13) 22.0
 
Jan. 15, 2020, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 29.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 15, 2020, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 29.0 ppb (22) N/A N/A 4.6 μg/m3 (19) 22.0
 
Jan. 15, 2020, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 15, 2020, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 29.0 ppb (22) N/A N/A 2.9 μg/m3 (12) 22.0
 
Jan. 15, 2020, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 3.8 μg/m3 (16) 23.0
 
Jan. 15, 2020, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 15, 2020, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 2.6 μg/m3 (11) 24.0
 
Jan. 15, 2020, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 2.6 μg/m3 (11) 25.0
 
Jan. 15, 2020, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 1.5 μg/m3 (6) 25.0
 
Jan. 14, 2020, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 30.0 ppb (23) N/A N/A 2.0 μg/m3 (8) 23.0
 
Jan. 14, 2020, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 31.0 ppb (24) N/A N/A 5.1 μg/m3 (21) 24.0
 
Jan. 14, 2020, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 3.2 μg/m3 (13) 24.0
 
Jan. 14, 2020, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 0.6 μg/m3 (2) 24.0
 
Jan. 14, 2020, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Jan. 14, 2020, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 4.5 μg/m3 (19) 24.0
 
Jan. 14, 2020, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
Jan. 14, 2020, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 3.9 μg/m3 (16) 22.0
 
Jan. 14, 2020, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 28.0 ppb (22) N/A N/A 3.1 μg/m3 (13) 22.0
 
Jan. 14, 2020, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.9 μg/m3 (20) 21.0
 
Jan. 14, 2020, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 6.0 μg/m3 (25) 25.0
 
Jan. 14, 2020, noon 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.9 μg/m3 (20) 20.0
 
Jan. 14, 2020, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 22.0 ppb (17) N/A N/A 4.3 μg/m3 (18) 18.0
 
Jan. 14, 2020, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 4.7 μg/m3 (20) 20.0
 
Jan. 14, 2020, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 3.2 μg/m3 (13) 18.0
 
Jan. 14, 2020, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
Jan. 14, 2020, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
Jan. 14, 2020, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 14, 2020, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 14, 2020, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.9 μg/m3 (12) 17.0
 
Jan. 14, 2020, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 3.7 μg/m3 (15) 17.0
 
Jan. 14, 2020, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 5.3 μg/m3 (22) 22.0
 
Jan. 14, 2020, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 3.0 ppb (4) 21.0 ppb (16) N/A N/A 4.4 μg/m3 (18) 18.0
 
Jan. 14, 2020, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 4.7 μg/m3 (20) 20.0
 
Jan. 13, 2020, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
Jan. 13, 2020, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 9.4 μg/m3 (39) 39.0
 
Jan. 13, 2020, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 6.2 μg/m3 (26) 26.0
 
Jan. 13, 2020, 8 p.m. 0.0 ppb (0) 0.1 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 9.1 μg/m3 (38) 38.0
 
Jan. 13, 2020, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 13, 2020, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 10.8 μg/m3 (45) 45.0
 
Jan. 13, 2020, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 10.9 μg/m3 (45) 45.0
 
Jan. 13, 2020, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 11.2 μg/m3 (47) 47.0
 
Jan. 13, 2020, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 6.4 μg/m3 (27) 27.0
 
Jan. 13, 2020, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 6.8 μg/m3 (28) 28.0
 
Jan. 13, 2020, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 7.5 μg/m3 (31) 31.0
 
Jan. 13, 2020, noon 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 9.7 μg/m3 (40) 40.0
 
Jan. 13, 2020, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 10.3 μg/m3 (43) 43.0
 
Jan. 13, 2020, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 7.9 μg/m3 (33) 33.0
 
Jan. 13, 2020, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 7.3 μg/m3 (30) 30.0
 
Jan. 13, 2020, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 10.0 μg/m3 (42) 42.0
 
Jan. 13, 2020, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 13.0 μg/m3 (52) 52.0
 
Jan. 13, 2020, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 23.0 ppb (18) N/A N/A 4.6 μg/m3 (19) 19.0
 
Jan. 13, 2020, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 6.9 μg/m3 (29) 29.0
 
Jan. 13, 2020, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 25.0 ppb (19) N/A N/A 8.1 μg/m3 (34) 34.0
 
Jan. 13, 2020, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
Jan. 13, 2020, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 4.2 μg/m3 (18) 21.0
 
Jan. 13, 2020, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 4.9 μg/m3 (20) 22.0
 
Jan. 13, 2020, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Jan. 12, 2020, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
Jan. 12, 2020, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 2.4 μg/m3 (10) 24.0
 
Jan. 12, 2020, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 31.0 ppb (24) N/A N/A 3.9 μg/m3 (16) 24.0
 
Jan. 12, 2020, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 4.6 μg/m3 (19) 25.0
 
Jan. 12, 2020, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 2.8 μg/m3 (12) 25.0
 
Jan. 12, 2020, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 32.0 ppb (25) N/A N/A 3.5 μg/m3 (15) 25.0
 
Jan. 12, 2020, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 3.1 μg/m3 (13) 25.0
 
Jan. 12, 2020, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 33.0 ppb (25) N/A N/A 4.2 μg/m3 (18) 25.0
 
Jan. 12, 2020, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 3.7 μg/m3 (15) 26.0
 
Jan. 12, 2020, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 34.0 ppb (26) N/A N/A 3.1 μg/m3 (13) 26.0