ID: 1328

AQSQID: 380570004

Site Name: Beulah North

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

Updated: June 19, 2021, 7:51 a.m.

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
June 19, 2021, 5 a.m. 8.7 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 17.0 μg/m3 (16) 3.8 μg/m3 (16) 19.0
 
June 19, 2021, 4 a.m. 4.7 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 24.0
 
June 19, 2021, 3 a.m. 4.4 ppb (5) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 35.0 μg/m3 (33) 6.2 μg/m3 (26) 33.0
 
June 19, 2021, 2 a.m. 3.9 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 26.0
 
June 19, 2021, 1 a.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 11.0 μg/m3 (11) 3.1 μg/m3 (13) 31.0
 
June 19, 2021, midnight 3.3 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 9.0 μg/m3 (9) 3.3 μg/m3 (14) 32.0
 
June 18, 2021, 11 p.m. 4.0 ppb (4) 1.8 ppb (2) N/A 2.0 ppb (2) N/A 5.0 ppb (8) 33.0 ppb (31) N/A 9.0 μg/m3 (9) 3.5 μg/m3 (15) 31.0
 
June 18, 2021, 10 p.m. 3.9 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 3.0 ppb (5) 33.0 ppb (31) N/A 11.0 μg/m3 (11) 3.8 μg/m3 (16) 31.0
 
June 18, 2021, 9 p.m. 3.8 ppb (4) 2.2 ppb (3) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 32.0 ppb (30) N/A 13.0 μg/m3 (13) 3.7 μg/m3 (16) 30.0
 
June 18, 2021, 8 p.m. 4.7 ppb (5) 2.2 ppb (3) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 34.0 ppb (32) N/A 12.0 μg/m3 (12) 3.6 μg/m3 (16) 32.0
 
June 18, 2021, 7 p.m. 5.2 ppb (5) 2.3 ppb (3) N/A 3.0 ppb (3) N/A 7.0 ppb (10) 34.0 ppb (32) N/A 15.0 μg/m3 (14) 3.7 μg/m3 (16) 32.0
 
June 18, 2021, 6 p.m. 6.0 ppb (6) 2.5 ppb (3) N/A 3.0 ppb (3) N/A 9.0 ppb (13) 36.0 ppb (34) N/A 20.0 μg/m3 (19) 4.1 μg/m3 (18) 34.0
 
June 18, 2021, 5 p.m. 6.2 ppb (6) 2.7 ppb (3) N/A 4.0 ppb (4) N/A 8.0 ppb (12) 43.0 ppb (40) N/A 16.0 μg/m3 (15) 3.6 μg/m3 (16) 40.0
 
June 18, 2021, 4 p.m. 6.8 ppb (7) 3.6 ppb (4) N/A 3.0 ppb (3) N/A 8.0 ppb (12) 43.0 ppb (40) N/A 16.0 μg/m3 (15) 3.4 μg/m3 (15) 40.0
 
June 18, 2021, 3 p.m. 5.1 ppb (5) 2.1 ppb (2) N/A 3.0 ppb (3) N/A 5.0 ppb (8) 40.0 ppb (38) N/A 17.0 μg/m3 (16) 3.6 μg/m3 (16) 38.0
 
June 18, 2021, 2 p.m. 13.0 ppb (13) 4.4 ppb (5) N/A 9.0 ppb (9) N/A 8.0 ppb (12) 33.0 ppb (31) N/A 22.0 μg/m3 (21) 4.7 μg/m3 (20) 31.0
 
June 18, 2021, 1 p.m. 7.5 ppb (8) 2.5 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 17.0 μg/m3 (16) 3.9 μg/m3 (17) 26.0
 
June 18, 2021, noon 10.6 ppb (10) 3.1 ppb (3) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 21.0 ppb (20) N/A 22.0 μg/m3 (21) 4.9 μg/m3 (21) 21.0
 
June 18, 2021, 11 a.m. 8.8 ppb (9) 1.7 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 16.0 μg/m3 (15) 4.4 μg/m3 (19) 19.0
 
June 18, 2021, 10 a.m. 5.8 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 18.0 μg/m3 (17) 4.8 μg/m3 (20) 20.0
 
June 18, 2021, 9 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 23.0 ppb (22) N/A 24.0 μg/m3 (23) 5.5 μg/m3 (23) 23.0
 
June 18, 2021, 8 a.m. 9.1 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 23.0 μg/m3 (22) 4.4 μg/m3 (19) 24.0
 
June 18, 2021, 7 a.m. 6.7 ppb (7) 1.0 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 19.0 μg/m3 (18) 3.5 μg/m3 (15) 33.0
 
June 18, 2021, 6 a.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 22.0 μg/m3 (21) 3.7 μg/m3 (16) 32.0
 
June 18, 2021, 5 a.m. 9.1 ppb (9) 1.0 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 23.0 μg/m3 (22) 3.6 μg/m3 (16) 33.0
 
June 18, 2021, 4 a.m. 8.4 ppb (8) 1.3 ppb (2) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 24.0 μg/m3 (23) 4.3 μg/m3 (18) 37.0
 
June 18, 2021, 3 a.m. 9.0 ppb (9) 1.1 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 26.0 μg/m3 (25) 4.6 μg/m3 (20) 38.0
 
June 18, 2021, 2 a.m. 5.5 ppb (6) 1.2 ppb (2) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 46.0 ppb (43) N/A 23.0 μg/m3 (22) 4.3 μg/m3 (18) 43.0
 
June 18, 2021, 1 a.m. 4.0 ppb (4) 1.2 ppb (2) N/A 3.0 ppb (3) N/A 4.0 ppb (6) 48.0 ppb (45) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (16) 45.0
 
June 18, 2021, midnight 3.2 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 48.0 ppb (45) N/A 12.0 μg/m3 (12) 3.4 μg/m3 (15) 45.0
 
June 17, 2021, 11 p.m. 3.2 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 46.0
 
June 17, 2021, 10 p.m. 3.1 ppb (3) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 46.0
 
June 17, 2021, 9 p.m. 3.1 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 13.0 μg/m3 (13) 3.3 μg/m3 (14) 46.0
 
June 17, 2021, 8 p.m. 4.1 ppb (4) 2.3 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 46.0
 
June 17, 2021, 7 p.m. 3.5 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 11.0 μg/m3 (11) 2.9 μg/m3 (13) 46.0
 
June 17, 2021, 6 p.m. 3.7 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) N/A 12.0 μg/m3 (12) 2.8 μg/m3 (12) 45.0
 
June 17, 2021, 5 p.m. 3.3 ppb (4) 1.5 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) N/A 11.0 μg/m3 (11) 2.6 μg/m3 (11) 45.0
 
June 17, 2021, 4 p.m. 3.2 ppb (4) 1.3 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 48.0 ppb (45) N/A 10.0 μg/m3 (10) 2.4 μg/m3 (10) 45.0
 
June 17, 2021, 3 p.m. 4.4 ppb (5) 1.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 13.0 μg/m3 (13) 3.2 μg/m3 (14) 42.0
 
June 17, 2021, 2 p.m. 7.0 ppb (7) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (16) 34.0
 
June 17, 2021, 1 p.m. 7.2 ppb (7) 2.4 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 22.0 μg/m3 (21) 4.6 μg/m3 (20) 25.0
 
June 17, 2021, noon 7.5 ppb (8) 2.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 19.0 ppb (18) N/A 16.0 μg/m3 (15) 4.6 μg/m3 (20) 20.0
 
June 17, 2021, 11 a.m. 11.1 ppb (11) 1.8 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 14.0 ppb (13) N/A 18.0 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
June 17, 2021, 10 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 15.0 μg/m3 (14) 3.9 μg/m3 (17) 31.0
 
June 17, 2021, 9 a.m. 7.4 ppb (7) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 23.0 μg/m3 (22) 4.6 μg/m3 (20) 25.0
 
June 17, 2021, 8 a.m. 9.6 ppb (10) 0.8 ppb (1) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
June 17, 2021, 7 a.m. 9.2 ppb (9) 0.8 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 22.0 μg/m3 (21) 4.8 μg/m3 (20) 25.0
 
June 17, 2021, 6 a.m. 5.7 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 15.0 μg/m3 (14) 3.5 μg/m3 (15) 35.0
 
June 17, 2021, 5 a.m. 6.8 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 15.0 μg/m3 (14) 3.2 μg/m3 (14) 35.0
 
June 17, 2021, 4 a.m. 7.4 ppb (7) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 35.0
 
June 17, 2021, 3 a.m. 6.2 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 39.0
 
June 17, 2021, 2 a.m. 4.1 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 13.0 μg/m3 (13) 3.1 μg/m3 (13) 44.0
 
June 17, 2021, 1 a.m. 3.6 ppb (4) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 53.0 ppb (50) N/A 14.0 μg/m3 (13) 3.0 μg/m3 (13) 50.0
 
June 17, 2021, midnight 2.7 ppb (3) 1.3 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 14.0 μg/m3 (13) 3.1 μg/m3 (13) 50.0
 
June 16, 2021, 11 p.m. 4.2 ppb (4) 1.7 ppb (2) N/A 2.0 ppb (2) N/A 4.0 ppb (6) 55.0 ppb (51) N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 51.0
 
June 16, 2021, 10 p.m. 4.3 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 6.0 ppb (9) 54.0 ppb (50) N/A 17.0 μg/m3 (16) 3.6 μg/m3 (16) 50.0
 
June 16, 2021, 9 p.m. 3.1 ppb (3) 1.2 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 18.0 μg/m3 (17) 3.8 μg/m3 (16) 50.0
 
June 16, 2021, 8 p.m. 3.9 ppb (4) 1.6 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 53.0 ppb (50) N/A 22.0 μg/m3 (21) 4.5 μg/m3 (19) 50.0
 
June 16, 2021, 7 p.m. 5.5 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 5.0 ppb (8) 53.0 ppb (50) N/A 22.0 μg/m3 (21) 4.7 μg/m3 (20) 50.0
 
June 16, 2021, 6 p.m. 5.4 ppb (6) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 4.0 ppb (6) 54.0 ppb (50) N/A 24.0 μg/m3 (23) 5.1 μg/m3 (22) 50.0
 
June 16, 2021, 5 p.m. 5.4 ppb (6) 2.6 ppb (3) N/A 3.0 ppb (3) N/A 7.0 ppb (10) 52.0 ppb (49) N/A 26.0 μg/m3 (25) 6.4 μg/m3 (27) 49.0
 
June 16, 2021, 4 p.m. 7.1 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 7.0 ppb (10) 54.0 ppb (50) N/A 43.0 μg/m3 (40) 9.6 μg/m3 (40) 50.0
 
June 16, 2021, 3 p.m. 8.1 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A 8.0 ppb (12) 54.0 ppb (50) N/A 39.0 μg/m3 (37) 9.1 μg/m3 (38) 50.0
 
June 16, 2021, 2 p.m. 5.5 ppb (6) 1.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 30.0 μg/m3 (28) 7.3 μg/m3 (31) 44.0
 
June 16, 2021, 1 p.m. 6.9 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 43.0 ppb (40) N/A 28.0 μg/m3 (26) 7.1 μg/m3 (30) 40.0
 
June 16, 2021, noon 4.9 ppb (5) 1.1 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 29.0 μg/m3 (27) 6.8 μg/m3 (29) 41.0
 
June 16, 2021, 11 a.m. 5.1 ppb (5) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 44.0 ppb (41) N/A 28.0 μg/m3 (26) 6.5 μg/m3 (28) 41.0
 
June 16, 2021, 10 a.m. 3.8 ppb (4) 0.9 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 22.0 μg/m3 (21) 6.0 μg/m3 (25) 42.0
 
June 16, 2021, 9 a.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 23.0 μg/m3 (22) 6.0 μg/m3 (25) 44.0
 
June 16, 2021, 8 a.m. 3.5 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 48.0 ppb (45) N/A 20.0 μg/m3 (19) 5.6 μg/m3 (24) 45.0
 
June 16, 2021, 7 a.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 48.0 ppb (45) N/A 23.0 μg/m3 (22) 5.6 μg/m3 (24) 45.0
 
June 16, 2021, 6 a.m. 3.6 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 19.0 μg/m3 (18) 5.1 μg/m3 (22) 47.0
 
June 16, 2021, 5 a.m. 3.4 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 53.0 ppb (50) N/A 20.0 μg/m3 (19) 4.8 μg/m3 (20) 50.0
 
June 16, 2021, 4 a.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 21.0 μg/m3 (20) 5.0 μg/m3 (21) 47.0
 
June 16, 2021, 3 a.m. 4.8 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 21.0 μg/m3 (20) 4.9 μg/m3 (21) 50.0
 
June 16, 2021, 2 a.m. 4.1 ppb (4) 0.7 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 59.0 ppb (65) N/A 21.0 μg/m3 (20) 5.4 μg/m3 (23) 65.0
 
June 16, 2021, 1 a.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 62.0 ppb (74) N/A 21.0 μg/m3 (20) 5.2 μg/m3 (22) 74.0
 
June 16, 2021, midnight 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 65.0 ppb (84) N/A 16.0 μg/m3 (15) 4.9 μg/m3 (21) 84.0
 
June 15, 2021, 11 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 66.0 ppb (87) N/A 17.0 μg/m3 (16) 4.8 μg/m3 (20) 87.0
 
June 15, 2021, 10 p.m. 2.2 ppb (3) 0.8 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 66.0 ppb (87) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (20) 87.0
 
June 15, 2021, 9 p.m. 2.0 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 65.0 ppb (84) N/A 17.0 μg/m3 (16) 4.4 μg/m3 (19) 84.0
 
June 15, 2021, 8 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 64.0 ppb (81) N/A 16.0 μg/m3 (15) 4.4 μg/m3 (19) 81.0
 
June 15, 2021, 7 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 16.0 μg/m3 (15) 4.3 μg/m3 (18) 78.0
 
June 15, 2021, 6 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 18.0 μg/m3 (17) 4.4 μg/m3 (19) 78.0
 
June 15, 2021, 5 p.m. 2.4 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 62.0 ppb (74) N/A 17.0 μg/m3 (16) 4.5 μg/m3 (19) 74.0
 
June 15, 2021, 4 p.m. 2.7 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 19.0 μg/m3 (18) 5.1 μg/m3 (22) 55.0
 
June 15, 2021, 3 p.m. 3.1 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 51.0 ppb (48) N/A 24.0 μg/m3 (23) 5.8 μg/m3 (25) 48.0
 
June 15, 2021, 2 p.m. 3.9 ppb (4) 1.3 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 18.0 μg/m3 (17) 5.3 μg/m3 (23) 40.0
 
June 15, 2021, 1 p.m. 8.2 ppb (8) 2.5 ppb (3) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 31.0 ppb (29) N/A 17.0 μg/m3 (16) 4.2 μg/m3 (18) 29.0
 
June 15, 2021, noon 8.4 ppb (8) 2.3 ppb (3) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 13.0 μg/m3 (13) 4.1 μg/m3 (18) 27.0
 
June 15, 2021, 11 a.m. 5.8 ppb (6) 1.0 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 14.0 μg/m3 (13) 4.2 μg/m3 (18) 31.0
 
June 15, 2021, 10 a.m. 7.2 ppb (7) 0.9 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 32.0
 
June 15, 2021, 9 a.m. 5.8 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 15.0 μg/m3 (14) 4.6 μg/m3 (20) 39.0
 
June 15, 2021, 8 a.m. 5.5 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 45.0 ppb (42) N/A 17.0 μg/m3 (16) 4.5 μg/m3 (19) 42.0
 
June 15, 2021, 7 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 18.0 μg/m3 (17) 4.3 μg/m3 (18) 46.0
 
June 15, 2021, 6 a.m. 6.6 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 19.0 μg/m3 (18) 4.3 μg/m3 (18) 46.0
 
June 15, 2021, 5 a.m. 6.0 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 18.0 μg/m3 (17) 4.1 μg/m3 (18) 47.0
 
June 15, 2021, 4 a.m. 5.4 ppb (6) 0.8 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 52.0 ppb (49) N/A 16.0 μg/m3 (15) 3.8 μg/m3 (16) 49.0
 
June 15, 2021, 3 a.m. 5.2 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 15.0 μg/m3 (14) 3.8 μg/m3 (16) 47.0
 
June 15, 2021, 2 a.m. 4.2 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 51.0 ppb (48) N/A 13.0 μg/m3 (13) 3.7 μg/m3 (16) 48.0
 
June 15, 2021, 1 a.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 11.0 μg/m3 (11) 3.6 μg/m3 (16) 55.0
 
June 15, 2021, midnight 3.3 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 11.0 μg/m3 (11) 3.5 μg/m3 (15) 78.0
 
June 14, 2021, 11 p.m. 3.7 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 64.0 ppb (81) N/A 11.0 μg/m3 (11) 3.4 μg/m3 (15) 81.0
 
June 14, 2021, 10 p.m. 2.3 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 66.0 ppb (87) N/A 9.0 μg/m3 (9) 3.2 μg/m3 (14) 87.0
 
June 14, 2021, 9 p.m. 2.9 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 66.0 ppb (87) N/A 11.0 μg/m3 (11) 3.4 μg/m3 (15) 87.0
 
June 14, 2021, 8 p.m. 3.4 ppb (4) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 69.0 ppb (97) N/A 12.0 μg/m3 (12) 3.6 μg/m3 (16) 97.0
 
June 14, 2021, 7 p.m. 3.6 ppb (4) 1.0 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 68.0 ppb (94) N/A 14.0 μg/m3 (13) 3.7 μg/m3 (16) 94.0
 
June 14, 2021, 6 p.m. 3.4 ppb (4) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 65.0 ppb (84) N/A 13.0 μg/m3 (13) 3.9 μg/m3 (17) 84.0
 
June 14, 2021, 5 p.m. 3.1 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 14.0 μg/m3 (13) 4.3 μg/m3 (18) 78.0
 
June 14, 2021, 4 p.m. 6.5 ppb (7) 1.7 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 55.0 ppb (51) N/A 11.0 μg/m3 (11) 3.8 μg/m3 (16) 51.0
 
June 14, 2021, 3 p.m. 3.3 ppb (4) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) N/A N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 13.0 μg/m3 (13) 3.9 μg/m3 (17) 17.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 5.4 μg/m3 (23) 32.0
 
June 14, 2021, 11 a.m. 15.7 ppb (15) 3.3 ppb (4) N/A 12.0 ppb (12) N/A 1.0 ppb (2) 27.0 ppb (25) N/A 15.0 μg/m3 (14) 5.5 μg/m3 (23) 25.0
 
June 14, 2021, 10 a.m. 10.8 ppb (11) 1.4 ppb (2) N/A 9.0 ppb (9) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 27.0
 
June 14, 2021, 9 a.m. 9.7 ppb (10) 1.7 ppb (2) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 11.0 μg/m3 (11) 3.3 μg/m3 (14) 30.0
 
June 14, 2021, 8 a.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 13.0 μg/m3 (13) 3.2 μg/m3 (14) 35.0
 
June 14, 2021, 7 a.m. 8.7 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 13.0 μg/m3 (13) 3.1 μg/m3 (13) 33.0
 
June 14, 2021, 6 a.m. 8.5 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 10.0 μg/m3 (10) 3.0 μg/m3 (13) 34.0
 
June 14, 2021, 5 a.m. 7.8 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 19.0 μg/m3 (18) 3.9 μg/m3 (17) 38.0
 
June 14, 2021, 4 a.m. 8.1 ppb (8) 0.9 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 18.0 μg/m3 (17) 3.8 μg/m3 (16) 37.0
 
June 14, 2021, 3 a.m. 8.8 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 15.0 μg/m3 (14) 3.4 μg/m3 (15) 40.0
 
June 14, 2021, 2 a.m. 7.3 ppb (7) 1.1 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 43.0 μg/m3 (40) 6.2 μg/m3 (26) 44.0
 
June 14, 2021, 1 a.m. 4.9 ppb (5) 1.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 55.0 ppb (51) N/A 26.0 μg/m3 (25) 3.6 μg/m3 (16) 51.0
 
June 14, 2021, midnight 2.7 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 7.0 μg/m3 (7) 1.9 μg/m3 (8) 78.0
 
June 13, 2021, 11 p.m. 2.6 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 7.0 μg/m3 (7) 1.9 μg/m3 (8) 78.0
 
June 13, 2021, 10 p.m. 2.6 ppb (3) 0.9 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 62.0 ppb (74) N/A 13.0 μg/m3 (13) 2.4 μg/m3 (10) 74.0
 
June 13, 2021, 9 p.m. 2.5 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 60.0 ppb (68) N/A 7.0 μg/m3 (7) 1.8 μg/m3 (8) 68.0
 
June 13, 2021, 8 p.m. 3.1 ppb (3) 1.4 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 58.0 ppb (61) N/A 7.0 μg/m3 (7) 1.7 μg/m3 (8) 61.0
 
June 13, 2021, 7 p.m. 2.6 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 55.0
 
June 13, 2021, 6 p.m. 2.7 ppb (3) 1.4 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 54.0 ppb (50) N/A 6.0 μg/m3 (6) 1.5 μg/m3 (7) 50.0
 
June 13, 2021, 5 p.m. 2.5 ppb (3) 1.1 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) N/A 6.0 μg/m3 (6) 1.5 μg/m3 (7) 48.0
 
June 13, 2021, 4 p.m. 2.4 ppb (3) 1.2 ppb (2) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 9.0 μg/m3 (9) 2.1 μg/m3 (9) 44.0
 
June 13, 2021, 3 p.m. 4.0 ppb (4) 1.4 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 6.0 μg/m3 (6) 2.0 μg/m3 (9) 40.0
 
June 13, 2021, 2 p.m. 4.7 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 36.0 ppb (34) N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 34.0
 
June 13, 2021, 1 p.m. 5.0 ppb (5) 2.4 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 31.0 ppb (29) N/A 7.0 μg/m3 (7) 2.7 μg/m3 (12) 29.0
 
June 13, 2021, noon 5.8 ppb (6) 1.7 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
June 13, 2021, 11 a.m. 6.1 ppb (6) 1.6 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 8.0 μg/m3 (8) 3.1 μg/m3 (13) 24.0
 
June 13, 2021, 10 a.m. 6.1 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 10.0 μg/m3 (10) 3.1 μg/m3 (13) 24.0
 
June 13, 2021, 9 a.m. 5.8 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 32.0 ppb (30) N/A 12.0 μg/m3 (12) 3.8 μg/m3 (16) 30.0
 
June 13, 2021, 8 a.m. 8.6 ppb (9) 0.9 ppb (1) N/A 8.0 ppb (8) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 14.0 μg/m3 (13) 3.3 μg/m3 (14) 27.0
 
June 13, 2021, 7 a.m. 7.8 ppb (8) 0.8 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 33.0 ppb (31) N/A 11.0 μg/m3 (11) 3.3 μg/m3 (14) 31.0
 
June 13, 2021, 6 a.m. 9.5 ppb (9) 0.8 ppb (1) N/A 9.0 ppb (9) N/A 2.0 ppb (3) 31.0 ppb (29) N/A 13.0 μg/m3 (13) 3.5 μg/m3 (15) 29.0
 
June 13, 2021, 5 a.m. 7.9 ppb (8) 0.7 ppb (1) N/A 7.0 ppb (7) N/A 1.0 ppb (2) 33.0 ppb (31) N/A 14.0 μg/m3 (13) 3.6 μg/m3 (16) 31.0
 
June 13, 2021, 4 a.m. 6.8 ppb (7) 0.7 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 15.0 μg/m3 (14) 3.7 μg/m3 (16) 33.0
 
June 13, 2021, 3 a.m. 6.9 ppb (7) 0.8 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 37.0 ppb (35) N/A 17.0 μg/m3 (16) 3.8 μg/m3 (16) 35.0
 
June 13, 2021, 2 a.m. 5.1 ppb (5) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 16.0 μg/m3 (15) 3.5 μg/m3 (15) 38.0
 
June 13, 2021, 1 a.m. 4.1 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 41.0 ppb (38) N/A 13.0 μg/m3 (13) 2.9 μg/m3 (13) 38.0
 
June 13, 2021, midnight 2.1 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 47.0
 
June 12, 2021, 11 p.m. 2.0 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 47.0
 
June 12, 2021, 10 p.m. 1.8 ppb (2) 0.6 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 52.0 ppb (49) N/A 9.0 μg/m3 (9) 2.3 μg/m3 (10) 49.0
 
June 12, 2021, 9 p.m. 2.1 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 51.0 ppb (48) N/A 8.0 μg/m3 (8) 2.2 μg/m3 (10) 48.0
 
June 12, 2021, 8 p.m. 3.7 ppb (4) 1.1 ppb (2) N/A 3.0 ppb (3) N/A 4.0 ppb (6) 50.0 ppb (47) N/A 8.0 μg/m3 (8) 2.1 μg/m3 (9) 47.0
 
June 12, 2021, 7 p.m. 1.7 ppb (2) 0.7 ppb (1) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 47.0 ppb (44) N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 44.0
 
June 12, 2021, 6 p.m. 5.6 ppb (6) 1.8 ppb (2) N/A 4.0 ppb (4) N/A 7.0 ppb (10) 43.0 ppb (40) N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 40.0
 
June 12, 2021, 5 p.m. 3.1 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 3.0 ppb (5) 43.0 ppb (40) N/A 8.0 μg/m3 (8) 1.6 μg/m3 (7) 40.0
 
June 12, 2021, 4 p.m. 2.5 ppb (3) 1.0 ppb (1) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 43.0 ppb (40) N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 40.0
 
June 12, 2021, 3 p.m. 2.9 ppb (3) 1.1 ppb (2) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 38.0
 
June 12, 2021, 2 p.m. 5.0 ppb (5) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 29.0 ppb (27) N/A 10.0 μg/m3 (10) 2.3 μg/m3 (10) 27.0
 
June 12, 2021, 1 p.m. 5.9 ppb (6) 2.2 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 24.0 ppb (23) N/A 10.0 μg/m3 (10) 2.6 μg/m3 (11) 23.0
 
June 12, 2021, noon 6.7 ppb (7) 2.2 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 20.0 ppb (19) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 19.0
 
June 12, 2021, 11 a.m. 6.9 ppb (7) 1.4 ppb (2) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 8.0 μg/m3 (8) 2.3 μg/m3 (10) 16.0
 
June 12, 2021, 10 a.m. 6.2 ppb (6) 0.9 ppb (1) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 17.0 ppb (16) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 16.0
 
June 12, 2021, 9 a.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 6.0 μg/m3 (6) 2.1 μg/m3 (9) 25.0
 
June 12, 2021, 8 a.m. 4.8 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 26.0 ppb (25) N/A 8.0 μg/m3 (8) 2.3 μg/m3 (10) 25.0
 
June 12, 2021, 7 a.m. 4.4 ppb (5) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 25.0 ppb (24) N/A 7.0 μg/m3 (7) 2.2 μg/m3 (10) 24.0
 
June 12, 2021, 6 a.m. 3.7 ppb (4) 0.8 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 28.0 ppb (26) N/A 8.0 μg/m3 (8) 2.2 μg/m3 (10) 26.0