ID: 1328

AQSQID: 380570004

Site Name: Beulah North

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

Updated: Sept. 21, 2020, 2:39 p.m.

Location: Beulah (45th Ave Swest), ND

Reporting: True, Located: True

Current AQI: 58.0

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
Sept. 21, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 15.6 μg/m3 (58) 58.0
 
Sept. 21, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 14.2 μg/m3 (55) 55.0
 
Sept. 21, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 15.4 μg/m3 (57) 57.0
 
Sept. 21, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 13.1 μg/m3 (52) 52.0
 
Sept. 21, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 14.9 μg/m3 (56) 56.0
 
Sept. 21, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 10.2 μg/m3 (42) 42.0
 
Sept. 21, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 21, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 14.4 μg/m3 (55) 55.0
 
Sept. 21, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 21, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 21, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 21, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 21, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 41.0 ppb (32) N/A N/A 7.2 μg/m3 (30) 32.0
 
Sept. 20, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 20, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 10.1 μg/m3 (42) 42.0
 
Sept. 20, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 40.0 ppb (31) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 20, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 38.0 ppb (29) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 20, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 11.5 μg/m3 (48) 48.0
 
Sept. 20, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 19.1 μg/m3 (65) 65.0
 
Sept. 20, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 15.3 μg/m3 (57) 57.0
 
Sept. 20, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 14.6 μg/m3 (56) 56.0
 
Sept. 20, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 18.8 μg/m3 (64) 64.0
 
Sept. 20, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 23.5 μg/m3 (74) 74.0
 
Sept. 20, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 20.6 μg/m3 (68) 68.0
 
Sept. 20, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 20, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 13.5 μg/m3 (53) 53.0
 
Sept. 20, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 13.3 μg/m3 (53) 53.0
 
Sept. 20, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 20, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 20, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 11.3 μg/m3 (47) 47.0
 
Sept. 20, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 11.6 μg/m3 (48) 48.0
 
Sept. 20, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 13.7 μg/m3 (54) 54.0
 
Sept. 20, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 12.2 μg/m3 (50) 50.0
 
Sept. 20, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 20, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 11.9 μg/m3 (50) 50.0
 
Sept. 20, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 13.0 μg/m3 (52) 52.0
 
Sept. 20, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 12.1 μg/m3 (50) 50.0
 
Sept. 19, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 11.8 μg/m3 (49) 49.0
 
Sept. 19, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A 9.5 μg/m3 (40) 40.0
 
Sept. 19, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 19, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 19, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 19, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 19, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 19, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 19, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 4.4 μg/m3 (18) 18.0
 
Sept. 19, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 4.0 μg/m3 (17) 17.0
 
Sept. 19, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.6 μg/m3 (19) 19.0
 
Sept. 19, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 19, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 19, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 3.0 μg/m3 (12) 13.0
 
Sept. 19, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 2.2 μg/m3 (9) 15.0
 
Sept. 19, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 19, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 8.5 μg/m3 (35) 35.0
 
Sept. 19, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 19, 2020, 5 a.m. 1.0 ppb (1) 0.3 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
 
Sept. 19, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 9.1 μg/m3 (38) 38.0
 
Sept. 19, 2020, 3 a.m. 1.0 ppb (1) 0.3 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
 
Sept. 19, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 7.5 μg/m3 (31) 31.0
 
Sept. 19, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 10.9 μg/m3 (45) 45.0
 
Sept. 19, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 18, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 37.0 ppb (28) N/A N/A 9.7 μg/m3 (40) 40.0
 
Sept. 18, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 18, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 7.9 μg/m3 (33) 33.0
 
Sept. 18, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 18, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 4.0 μg/m3 (17) 22.0
 
Sept. 18, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 4.7 μg/m3 (20) 20.0
 
Sept. 18, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 4.1 μg/m3 (17) 17.0
 
Sept. 18, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 3.2 μg/m3 (13) 13.0
 
Sept. 18, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 17.0 ppb (13) N/A N/A 3.5 μg/m3 (15) 15.0
 
Sept. 18, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 0.1 μg/m3 (0) 13.0
 
Sept. 18, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 0.2 μg/m3 (1) 12.0
 
Sept. 18, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 18, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.9 μg/m3 (16) 16.0
 
Sept. 18, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 18, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 6.9 μg/m3 (29) 29.0
 
Sept. 18, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 18, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
Sept. 18, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 18, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 18, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 7.7 μg/m3 (32) 32.0
 
Sept. 17, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 12.8 μg/m3 (52) 52.0
 
Sept. 17, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 34.0 ppb (26) N/A N/A 7.7 μg/m3 (32) 32.0
 
Sept. 17, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 34.0 ppb (26) N/A N/A 8.2 μg/m3 (34) 34.0
 
Sept. 17, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 33.0 ppb (25) N/A N/A 5.2 μg/m3 (22) 25.0
 
Sept. 17, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 17, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 17, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 26.0 ppb (20) N/A N/A 4.3 μg/m3 (18) 20.0
 
Sept. 17, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 17, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 19.0 ppb (15) N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 17, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 15.0 ppb (12) N/A N/A 3.8 μg/m3 (16) 16.0
 
Sept. 17, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 5.4 μg/m3 (23) 23.0
 
Sept. 17, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 6.4 μg/m3 (27) 27.0
 
Sept. 17, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 17, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 5.0 μg/m3 (21) 21.0
 
Sept. 17, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 6.8 μg/m3 (28) 28.0
 
Sept. 17, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 17, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A 7.3 μg/m3 (30) 30.0
 
Sept. 17, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 16.0 ppb (12) N/A N/A 7.2 μg/m3 (30) 30.0
 
Sept. 17, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 17.0 ppb (13) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 17, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 21.0 ppb (16) N/A N/A 8.3 μg/m3 (35) 35.0
 
Sept. 17, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 22.0 ppb (17) N/A N/A 7.4 μg/m3 (31) 31.0
 
Sept. 17, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 17, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.7 μg/m3 (15) 22.0
 
Sept. 17, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 25.0 ppb (19) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 16, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 4.7 μg/m3 (20) 23.0
 
Sept. 16, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 1.7 μg/m3 (7) 23.0
 
Sept. 16, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 3.5 μg/m3 (15) 23.0
 
Sept. 16, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 16, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 3.0 ppb (4) 26.0 ppb (20) N/A N/A 4.1 μg/m3 (17) 20.0
 
Sept. 16, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 3.0 ppb (4) 24.0 ppb (18) N/A N/A -0.4 μg/m3 (0) 18.0
 
Sept. 16, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 24.0 ppb (18) N/A N/A 1.5 μg/m3 (6) 18.0
 
Sept. 16, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 16, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 6.1 μg/m3 (25) 25.0
 
Sept. 16, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 16, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 8.0 μg/m3 (33) 33.0
 
Sept. 16, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 10.5 μg/m3 (44) 44.0
 
Sept. 16, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 16, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 8.6 μg/m3 (36) 36.0
 
Sept. 16, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 3.4 μg/m3 (14) 14.0
 
Sept. 16, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 4.5 μg/m3 (19) 19.0
 
Sept. 16, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 7.8 μg/m3 (32) 32.0
 
Sept. 16, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 9.4 μg/m3 (39) 39.0
 
Sept. 16, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 6.2 μg/m3 (26) 26.0
 
Sept. 16, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 6.6 μg/m3 (28) 28.0
 
Sept. 16, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 9.8 μg/m3 (41) 41.0
 
Sept. 16, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 13.2 μg/m3 (53) 53.0
 
Sept. 15, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 12.6 μg/m3 (51) 51.0
 
Sept. 15, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 13.9 μg/m3 (54) 54.0
 
Sept. 15, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 12.7 μg/m3 (51) 51.0
 
Sept. 15, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 4.0 ppb (6) 17.0 ppb (13) N/A N/A 8.1 μg/m3 (34) 34.0
 
Sept. 15, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 11.0 ppb (16) 11.0 ppb (8) N/A N/A 8.7 μg/m3 (36) 36.0
 
Sept. 15, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 10.0 ppb (14) 10.0 ppb (8) N/A N/A 8.8 μg/m3 (37) 37.0
 
Sept. 15, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 5.0 ppb (7) 10.0 ppb (8) N/A N/A 10.0 μg/m3 (42) 42.0
 
Sept. 15, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 3.0 ppb (4) 5.0 ppb (4) N/A N/A 10.3 μg/m3 (43) 43.0
 
Sept. 15, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 5.0 ppb (4) N/A N/A 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 8.0 ppb (6) N/A N/A 6.7 μg/m3 (28) 28.0
 
Sept. 15, 2020, noon 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) N/A N/A N/A 4.2 μg/m3 (18) 18.0
 
Sept. 15, 2020, 11 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 5.0 ppb (4) N/A N/A 5.9 μg/m3 (25) 25.0
 
Sept. 15, 2020, 10 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 9 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 7.0 μg/m3 (29) 29.0
 
Sept. 15, 2020, 8 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 12.0 ppb (9) N/A N/A 5.7 μg/m3 (24) 24.0
 
Sept. 15, 2020, 7 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 5.1 μg/m3 (21) 21.0
 
Sept. 15, 2020, 6 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 5.6 μg/m3 (23) 23.0
 
Sept. 15, 2020, 5 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 3.3 μg/m3 (14) 14.0
 
Sept. 15, 2020, 4 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 1.4 μg/m3 (6) 14.0
 
Sept. 15, 2020, 3 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
Sept. 15, 2020, 2 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 5.5 μg/m3 (23) 23.0
 
Sept. 15, 2020, 1 a.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 5.8 μg/m3 (24) 24.0
 
Sept. 15, 2020, midnight 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.6 μg/m3 (11) 17.0
 
Sept. 14, 2020, 11 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 2.5 μg/m3 (10) 18.0
 
Sept. 14, 2020, 10 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 5.0 ppb (7) 24.0 ppb (18) N/A N/A 3.0 μg/m3 (12) 18.0
 
Sept. 14, 2020, 9 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 14.0 ppb (20) 19.0 ppb (15) N/A N/A 2.6 μg/m3 (11) 20.0
 
Sept. 14, 2020, 8 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 9.0 ppb (13) 20.0 ppb (15) N/A N/A 2.0 μg/m3 (8) 15.0
 
Sept. 14, 2020, 7 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 8.0 ppb (11) 21.0 ppb (16) N/A N/A 0.0 μg/m3 (0) 16.0
 
Sept. 14, 2020, 6 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 0.5 μg/m3 (2) 17.0
 
Sept. 14, 2020, 5 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 1.7 μg/m3 (7) 15.0
 
Sept. 14, 2020, 4 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 0.6 μg/m3 (2) 13.0
 
Sept. 14, 2020, 3 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A 0.7 μg/m3 (3) 12.0
 
Sept. 14, 2020, 2 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A 3.1 μg/m3 (13) 13.0
 
Sept. 14, 2020, 1 p.m. 1.0 ppb (1) 0.3 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 3.7 μg/m3 (15) 15.0