AQSQID: 380570004

Site Name: Beulah North

Location: Mercer Co, ND

Reporting: True, Located: True

Current AQI: 28.0

Mercer Co ND, US: 47.2986, -101.7669

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 18, 2019, 8 p.m. 4.8 ppb (4) 2.0 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A -1.4 μg/m3 (0) 28.0
 
Nov. 18, 2019, 7 p.m. 4.7 ppb (4) 2.7 ppb (3) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 36.0 ppb (28) N/A N/A -0.3 μg/m3 (0) 28.0
 
Nov. 18, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (9) 9.0
 
Nov. 18, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Nov. 18, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A N/A 15.0
 
Nov. 18, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 1.4 μg/m3 (6) 12.0
 
Nov. 18, 2019, 2 p.m. 4.5 ppb (4) 1.8 ppb (2) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 0.6 μg/m3 (2) 11.0
 
Nov. 18, 2019, 1 p.m. 2.3 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A -0.6 μg/m3 (0) 12.0
 
Nov. 18, 2019, noon 2.2 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 15.0 ppb (12) N/A N/A -2.7 μg/m3 (0) 12.0
 
Nov. 18, 2019, 11 a.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 16.0 ppb (12) N/A N/A -3.1 μg/m3 (0) 12.0
 
Nov. 18, 2019, 10 a.m. 1.1 ppb (1) 0.1 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 (0) 12.0
 
Nov. 18, 2019, 9 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 0.4 μg/m3 (2) 14.0
 
Nov. 18, 2019, 8 a.m. 1.0 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A -0.7 μg/m3 (0) 13.0
 
Nov. 18, 2019, 7 a.m. 1.1 ppb (1) 0.1 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
 
Nov. 18, 2019, 6 a.m. 1.3 ppb (1) 0.1 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
 
Nov. 18, 2019, 5 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 4.2 μg/m3 (18) 18.0
 
Nov. 18, 2019, 4 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
Nov. 18, 2019, 3 a.m. 1.5 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 0.5 μg/m3 (2) 15.0
 
Nov. 18, 2019, 2 a.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 1.3 μg/m3 (5) 16.0
 
Nov. 18, 2019, 1 a.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 1.2 μg/m3 (5) 18.0
 
Nov. 18, 2019, midnight 1.6 ppb (1) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 2.0 μg/m3 (8) 18.0
 
Nov. 17, 2019, 11 p.m. 1.3 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 2.8 μg/m3 (12) 18.0
 
Nov. 17, 2019, 10 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 2.4 μg/m3 (10) 19.0
 
Nov. 17, 2019, 9 p.m. 1.5 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 0.8 μg/m3 (3) 18.0
 
Nov. 17, 2019, 8 p.m. 4.6 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 4.0 ppb (6) 22.0 ppb (17) N/A N/A 1.7 μg/m3 (7) 17.0
 
Nov. 17, 2019, 7 p.m. 4.4 ppb (4) 1.1 ppb (1) N/A 3.0 ppb (3) N/A 3.0 ppb (4) 21.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
Nov. 17, 2019, 6 p.m. 7.3 ppb (7) 2.2 ppb (2) N/A 5.0 ppb (5) N/A 6.0 ppb (9) 19.0 ppb (15) N/A N/A 5.1 μg/m3 (21) 21.0
 
Nov. 17, 2019, 5 p.m. 2.0 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 5.7 μg/m3 (24) 24.0
 
Nov. 17, 2019, 4 p.m. 1.4 ppb (1) 0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 6.7 μg/m3 (28) 28.0
 
Nov. 17, 2019, 3 p.m. 1.7 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 6.2 μg/m3 (26) 26.0
 
Nov. 17, 2019, 2 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.8 μg/m3 (12) 15.0
 
Nov. 17, 2019, 1 p.m. 2.9 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 2.1 μg/m3 (9) 15.0
 
Nov. 17, 2019, noon 3.0 ppb (3) 0.5 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 1.7 μg/m3 (7) 17.0
 
Nov. 17, 2019, 11 a.m. 2.6 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 2.1 μg/m3 (9) 17.0
 
Nov. 17, 2019, 10 a.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 4.1 μg/m3 (17) 18.0
 
Nov. 17, 2019, 9 a.m. 2.0 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 2.9 μg/m3 (12) 18.0
 
Nov. 17, 2019, 8 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 1.8 μg/m3 (8) 18.0
 
Nov. 17, 2019, 7 a.m. 1.7 ppb (2) 0.1 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
 
Nov. 17, 2019, 6 a.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.4 μg/m3 (18) 18.0
 
Nov. 17, 2019, 5 a.m. 2.1 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 4.2 μg/m3 (18) 18.0
 
Nov. 17, 2019, 4 a.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 4.8 μg/m3 (20) 20.0
 
Nov. 17, 2019, 3 a.m. 2.7 ppb (3) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 5.0 μg/m3 (21) 21.0
 
Nov. 17, 2019, 2 a.m. 3.1 ppb (3) 0.3 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 17, 2019, 1 a.m. 3.1 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 19.0 ppb (15) N/A N/A 3.4 μg/m3 (14) 15.0
 
Nov. 17, 2019, midnight 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 1.8 μg/m3 (8) 16.0
 
Nov. 16, 2019, 11 p.m. 5.2 ppb (5) 0.7 ppb (1) N/A 5.0 ppb (5) N/A 0.0 ppb (0) 20.0 ppb (15) N/A N/A 1.6 μg/m3 (7) 15.0
 
Nov. 16, 2019, 10 p.m. 4.8 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 0.0 ppb (0) 21.0 ppb (16) N/A N/A 1.4 μg/m3 (6) 16.0
 
Nov. 16, 2019, 9 p.m. 2.5 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Nov. 16, 2019, 8 p.m. 2.7 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (21) N/A N/A -0.2 μg/m3 (0) 21.0
 
Nov. 16, 2019, 7 p.m. 2.6 ppb (2) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 0.8 μg/m3 (3) 21.0
 
Nov. 16, 2019, 6 p.m. 2.6 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Nov. 16, 2019, 5 p.m. 2.2 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.2 μg/m3 (9) 21.0
 
Nov. 16, 2019, 4 p.m. 2.4 ppb (2) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 21.0 ppb (16) N/A N/A 2.6 μg/m3 (11) 16.0
 
Nov. 16, 2019, 3 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 1.4 μg/m3 (6) 13.0
 
Nov. 16, 2019, 2 p.m. 1.6 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 0.9 μg/m3 (4) 11.0
 
Nov. 16, 2019, 1 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 2.8 μg/m3 (12) 12.0
 
Nov. 16, 2019, noon 1.5 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 9.0 ppb (7) N/A N/A 2.5 μg/m3 (10) 10.0
 
Nov. 16, 2019, 11 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 4.1 μg/m3 (17) 17.0
 
Nov. 16, 2019, 10 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 5.3 μg/m3 (22) 22.0
 
Nov. 16, 2019, 9 a.m. 2.8 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 1.2 μg/m3 (5) 9.0
 
Nov. 16, 2019, 8 a.m. 1.8 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 12.0 ppb (9) N/A N/A 1.8 μg/m3 (8) 9.0
 
Nov. 16, 2019, 7 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 16, 2019, 6 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 14.0 ppb (11) N/A N/A 4.1 μg/m3 (17) 17.0
 
Nov. 16, 2019, 5 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.7 μg/m3 (11) 11.0
 
Nov. 16, 2019, 4 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.1 μg/m3 (9) 10.0
 
Nov. 16, 2019, 3 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 2.7 μg/m3 (11) 11.0
 
Nov. 16, 2019, 2 a.m. 2.4 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 13.0 ppb (10) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 16, 2019, 1 a.m. 3.6 ppb (3) 0.2 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 8.2 μg/m3 (34) 34.0
 
Nov. 16, 2019, midnight 4.7 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 6.8 μg/m3 (28) 28.0
 
Nov. 15, 2019, 11 p.m. 4.3 ppb (4) 0.4 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 9.0 μg/m3 (38) 38.0
 
Nov. 15, 2019, 10 p.m. 4.5 ppb (4) 0.9 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 12.0 ppb (9) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 15, 2019, 9 p.m. 5.2 ppb (5) 1.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 6.5 μg/m3 (27) 27.0
 
Nov. 15, 2019, 8 p.m. 6.9 ppb (6) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 6.4 μg/m3 (27) 27.0
 
Nov. 15, 2019, 7 p.m. 7.0 ppb (6) 3.2 ppb (3) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 4.1 μg/m3 (17) 17.0
 
Nov. 15, 2019, 6 p.m. 5.7 ppb (5) 2.6 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 13.0 ppb (10) N/A N/A 0.9 μg/m3 (4) 10.0
 
Nov. 15, 2019, 5 p.m. 8.6 ppb (8) 4.9 ppb (5) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 11.0 ppb (8) N/A N/A 0.9 μg/m3 (4) 8.0
 
Nov. 15, 2019, 4 p.m. 9.0 ppb (8) 4.7 ppb (4) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 2.2 μg/m3 (9) 9.0
 
Nov. 15, 2019, 3 p.m. 5.7 ppb (5) 2.5 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 4.3 μg/m3 (18) 18.0
 
Nov. 15, 2019, 2 p.m. 11.2 ppb (10) 4.7 ppb (4) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 6.0 ppb (5) N/A N/A 5.6 μg/m3 (23) 23.0
 
Nov. 15, 2019, 1 p.m. 10.4 ppb (10) 5.1 ppb (5) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 5.4 μg/m3 (23) 23.0
 
Nov. 15, 2019, noon 9.1 ppb (8) 4.2 ppb (4) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 5.1 μg/m3 (21) 21.0
 
Nov. 15, 2019, 11 a.m. 6.5 ppb (6) 2.3 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 7.0 ppb (5) N/A N/A 5.9 μg/m3 (25) 25.0
 
Nov. 15, 2019, 10 a.m. 3.1 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 5.7 μg/m3 (24) 24.0
 
Nov. 15, 2019, 9 a.m. 4.4 ppb (4) 0.3 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 9.0 ppb (7) N/A N/A 5.8 μg/m3 (24) 24.0
 
Nov. 15, 2019, 8 a.m. 5.1 ppb (5) 0.2 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 3.9 μg/m3 (16) 16.0
 
Nov. 15, 2019, 7 a.m. 4.9 ppb (5) 0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 10.0 ppb (8) N/A N/A 1.5 μg/m3 (6) 8.0
 
Nov. 15, 2019, 6 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 14.0 ppb (11) N/A N/A 2.9 μg/m3 (12) 12.0
 
Nov. 15, 2019, 5 a.m. 4.1 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 17.0 ppb (13) N/A N/A 2.2 μg/m3 (9) 13.0
 
Nov. 15, 2019, 4 a.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 18.0 ppb (14) N/A N/A 0.3 μg/m3 (1) 14.0
 
Nov. 15, 2019, 3 a.m. 1.9 ppb (2) 0.0 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 (0) 16.0
 
Nov. 15, 2019, 2 a.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A -1.4 μg/m3 (0) 17.0
 
Nov. 15, 2019, 1 a.m. 1.4 ppb (1) 0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A -0.4 μg/m3 (0) 18.0
 
Nov. 15, 2019, midnight 2.1 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A -0.2 μg/m3 (0) 18.0
 
Nov. 14, 2019, 11 p.m. 2.5 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 0.3 μg/m3 (1) 18.0
 
Nov. 14, 2019, 10 p.m. 2.3 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (20) N/A N/A 0.4 μg/m3 (2) 20.0
 
Nov. 14, 2019, 9 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 1.1 μg/m3 (5) 22.0
 
Nov. 14, 2019, 8 p.m. 2.1 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 1.5 μg/m3 (6) 22.0
 
Nov. 14, 2019, 7 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
Nov. 14, 2019, 6 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.7 μg/m3 (11) 21.0
 
Nov. 14, 2019, 5 p.m. 1.9 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A -0.3 μg/m3 (0) 20.0
 
Nov. 14, 2019, 4 p.m. 2.0 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 2.5 μg/m3 (10) 20.0
 
Nov. 14, 2019, 3 p.m. 1.8 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.4 μg/m3 (18) 20.0
 
Nov. 14, 2019, 2 p.m. 1.9 ppb (2) 0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 2.5 μg/m3 (10) 19.0
 
Nov. 14, 2019, 1 p.m. 2.1 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 2.6 μg/m3 (11) 19.0
 
Nov. 14, 2019, noon 2.5 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 2.8 μg/m3 (12) 18.0
 
Nov. 14, 2019, 11 a.m. 2.7 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 2.1 μg/m3 (9) 16.0
 
Nov. 14, 2019, 10 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 3.6 μg/m3 (15) 18.0
 
Nov. 14, 2019, 9 a.m. 2.1 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 5.4 μg/m3 (23) 23.0
 
Nov. 14, 2019, 8 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 7.1 μg/m3 (30) 30.0
 
Nov. 14, 2019, 7 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 10.8 μg/m3 (45) 45.0
 
Nov. 14, 2019, 6 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 12.5 μg/m3 (51) 51.0
 
Nov. 14, 2019, 5 a.m. 3.5 ppb (3) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 9.9 μg/m3 (41) 41.0
 
Nov. 14, 2019, 4 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 7.0 μg/m3 (29) 29.0
 
Nov. 14, 2019, 3 a.m. 4.3 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 5.1 μg/m3 (21) 22.0
 
Nov. 14, 2019, 2 a.m. 7.1 ppb (7) 1.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 5.1 μg/m3 (21) 21.0
 
Nov. 14, 2019, 1 a.m. 7.9 ppb (7) 1.4 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 6.0 μg/m3 (25) 25.0
 
Nov. 14, 2019, midnight 9.6 ppb (9) 2.8 ppb (3) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
Nov. 13, 2019, 11 p.m. 12.8 ppb (12) 2.9 ppb (3) N/A 10.0 ppb (9) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.6 μg/m3 (15) 21.0
 
Nov. 13, 2019, 10 p.m. 7.4 ppb (7) 1.5 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (1) 33.0 ppb (25) N/A N/A 7.7 μg/m3 (32) 32.0
 
Nov. 13, 2019, 9 p.m. 7.9 ppb (7) 3.3 ppb (3) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 35.0 ppb (27) N/A N/A 12.0 μg/m3 (50) 50.0
 
Nov. 13, 2019, 8 p.m. 7.1 ppb (7) 2.9 ppb (3) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 36.0 ppb (28) N/A N/A 7.4 μg/m3 (31) 31.0
 
Nov. 13, 2019, 7 p.m. 9.4 ppb (9) 3.6 ppb (3) N/A 6.0 ppb (6) N/A 5.0 ppb (7) 34.0 ppb (26) N/A N/A 8.5 μg/m3 (35) 35.0
 
Nov. 13, 2019, 6 p.m. 8.3 ppb (8) 3.1 ppb (3) N/A 5.0 ppb (5) N/A 2.0 ppb (3) 32.0 ppb (25) N/A N/A 13.3 μg/m3 (53) 53.0
 
Nov. 13, 2019, 5 p.m. 9.8 ppb (9) 3.9 ppb (4) N/A 6.0 ppb (6) N/A 2.0 ppb (3) 30.0 ppb (23) N/A N/A 9.1 μg/m3 (38) 38.0
 
Nov. 13, 2019, 4 p.m. 5.9 ppb (5) 2.8 ppb (3) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 6.1 μg/m3 (25) 25.0
 
Nov. 13, 2019, 3 p.m. 5.2 ppb (5) 2.2 ppb (2) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 5.5 μg/m3 (23) 23.0
 
Nov. 13, 2019, 2 p.m. 4.2 ppb (4) 1.3 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 3.7 μg/m3 (15) 20.0
 
Nov. 13, 2019, 1 p.m. 7.3 ppb (7) 1.9 ppb (2) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 23.0 ppb (18) N/A N/A 5.8 μg/m3 (24) 24.0
 
Nov. 13, 2019, noon 4.5 ppb (4) 0.8 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 7.5 μg/m3 (31) 31.0
 
Nov. 13, 2019, 11 a.m. 4.1 ppb (4) 0.5 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.4 μg/m3 (18) 20.0
 
Nov. 13, 2019, 10 a.m. 5.4 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 4.1 μg/m3 (17) 18.0
 
Nov. 13, 2019, 9 a.m. 5.0 ppb (5) 0.0 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (1) 24.0 ppb (18) N/A N/A 3.7 μg/m3 (15) 18.0
 
Nov. 13, 2019, 8 a.m. 7.6 ppb (7) 0.1 ppb (0) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 4.3 μg/m3 (18) 18.0
 
Nov. 13, 2019, 7 a.m. 7.9 ppb (7) 0.0 ppb (0) N/A 8.0 ppb (7) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 4.5 μg/m3 (19) 19.0
 
Nov. 13, 2019, 6 a.m. 4.3 ppb (4) 0.2 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 4.2 μg/m3 (18) 20.0
 
Nov. 13, 2019, 5 a.m. 2.5 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.9 μg/m3 (12) 21.0
 
Nov. 13, 2019, 4 a.m. 2.7 ppb (3) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 2.3 μg/m3 (10) 22.0
 
Nov. 13, 2019, 3 a.m. 4.3 ppb (4) 0.1 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 3.5 μg/m3 (15) 20.0
 
Nov. 13, 2019, 2 a.m. 3.0 ppb (3) 0.1 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
Nov. 13, 2019, 1 a.m. 8.1 ppb (8) 1.4 ppb (1) N/A 7.0 ppb (6) N/A 1.0 ppb (1) 25.0 ppb (19) N/A N/A 0.5 μg/m3 (2) 19.0
 
Nov. 13, 2019, midnight 14.7 ppb (14) 1.6 ppb (1) N/A 13.0 ppb (12) N/A 1.0 ppb (1) 20.0 ppb (15) N/A N/A 0.3 μg/m3 (1) 15.0
 
Nov. 12, 2019, 11 p.m. 14.0 ppb (13) 3.0 ppb (3) N/A 11.0 ppb (10) N/A 1.0 ppb (1) 22.0 ppb (17) N/A N/A 0.1 μg/m3 (0) 17.0
 
Nov. 12, 2019, 10 p.m. 3.3 ppb (3) 0.4 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A -0.4 μg/m3 (0) 24.0
 
Nov. 12, 2019, 9 p.m. 6.3 ppb (6) 2.6 ppb (2) N/A 4.0 ppb (4) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 0.3 μg/m3 (1) 24.0
 
Nov. 12, 2019, 8 p.m. 2.2 ppb (2) 0.4 ppb (0) 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
 
Nov. 12, 2019, 7 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 32.0 ppb (25) N/A N/A 1.6 μg/m3 (7) 25.0
 
Nov. 12, 2019, 6 p.m. 2.1 ppb (2) 0.5 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 31.0 ppb (24) N/A N/A 0.6 μg/m3 (2) 24.0
 
Nov. 12, 2019, 5 p.m. 2.7 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 1.6 μg/m3 (7) 22.0
 
Nov. 12, 2019, 4 p.m. 2.5 ppb (2) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 3.0 μg/m3 (12) 22.0
 
Nov. 12, 2019, 3 p.m. 2.1 ppb (2) 0.3 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 28.0 ppb (22) N/A N/A 2.5 μg/m3 (10) 22.0
 
Nov. 12, 2019, 2 p.m. 1.3 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.2 μg/m3 (13) 21.0
 
Nov. 12, 2019, 1 p.m. 2.2 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 27.0 ppb (21) N/A N/A 1.8 μg/m3 (8) 21.0
 
Nov. 12, 2019, noon 0.7 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A -0.5 μg/m3 (0) 22.0
 
Nov. 12, 2019, 11 a.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 0.3 μg/m3 (1) 22.0
 
Nov. 12, 2019, 10 a.m. 1.0 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 -0.1 μg/m3 (0) 22.0
 
Nov. 12, 2019, 9 a.m. 0.8 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 0.0 μg/m3 (0) 22.0
 
Nov. 12, 2019, 8 a.m. 0.9 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 1.9 μg/m3 (8) 22.0
 
Nov. 12, 2019, 7 a.m. 0.9 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 2.4 μg/m3 (10) 22.0
 
Nov. 12, 2019, 6 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 1.6 μg/m3 (7) 22.0
 
Nov. 12, 2019, 5 a.m. 1.2 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 2.3 μg/m3 (10) 22.0
 
Nov. 12, 2019, 4 a.m. 1.6 ppb (1) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.2 μg/m3 (13) 21.0
 
Nov. 12, 2019, 3 a.m. 2.7 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 26.0 ppb (20) N/A N/A 1.9 μg/m3 (8) 20.0
 
Nov. 12, 2019, 2 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 1.8 μg/m3 (8) 21.0
 
Nov. 12, 2019, 1 a.m. 2.3 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.8 μg/m3 (12) 21.0
 
Nov. 12, 2019, midnight 3.3 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 3.8 μg/m3 (16) 21.0
 
Nov. 11, 2019, 11 p.m. 2.9 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 1.0 ppb (1) 27.0 ppb (21) N/A N/A 2.4 μg/m3 (10) 21.0
 
Nov. 11, 2019, 10 p.m. 2.0 ppb (2) 0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 29.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Nov. 11, 2019, 9 p.m. 1.9 ppb (2) 0.4 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (1) 30.0 ppb (23) N/A N/A 0.6 μg/m3 (2) 23.0