AQSQID: 300710010

Site Name: Malta

Location: Phillips Co, MT

Reporting: True, Located: True

Current AQI: 16.0

Phillips Co MT, US: 48.317507, -107.862471

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Nov. 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 3.8 μg/m3 (16) 16.0
 
Nov. 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 4.7 μg/m3 (20) 20.0
 
Nov. 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.0 μg/m3 (0) 2.8 μg/m3 (12) 12.0
 
Nov. 12, 2019, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A -1.0 μg/m3 (0) 0.5 μg/m3 (2) 17.0
 
Nov. 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) 1.4 μg/m3 (6) 20.0
 
Nov. 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) 0.1 μg/m3 (0) 18.0
 
Nov. 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 1.0 μg/m3 (1) 0.2 μg/m3 (1) 16.0
 
Nov. 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 0.0 μg/m3 (0) -4.7 μg/m3 (0) 17.0
 
Nov. 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 1.7 μg/m3 (7) 18.0
 
Nov. 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A -1.0 μg/m3 (0) -1.5 μg/m3 (0) 17.0
 
Nov. 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 0.0 μg/m3 (0) -1.5 μg/m3 (0) 18.0
 
Nov. 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 2.4 μg/m3 (10) 21.0
 
Nov. 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) -3.5 μg/m3 (0) 22.0
 
Nov. 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) -2.9 μg/m3 (0) 22.0
 
Nov. 12, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) -1.4 μg/m3 (0) 19.0
 
Nov. 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 19.0
 
Nov. 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 2.7 μg/m3 (11) 19.0
 
Nov. 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 19.0
 
Nov. 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 19.0
 
Nov. 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 0.0 μg/m3 (0) 2.7 μg/m3 (11) 19.0
 
Nov. 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 0.0 μg/m3 (0) 3.2 μg/m3 (13) 18.0
 
Nov. 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 0.0 μg/m3 (0) -0.9 μg/m3 (0) 18.0
 
Nov. 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) -3.5 μg/m3 (0) 20.0
 
Nov. 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) N/A 21.0
 
Nov. 11, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 21.0
 
Nov. 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) 0.3 μg/m3 (1) 22.0
 
Nov. 11, 2019, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) -0.3 μg/m3 (0) 22.0
 
Nov. 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 3.0 μg/m3 (3) 4.6 μg/m3 (19) 22.0
 
Nov. 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) -2.8 μg/m3 (0) 22.0
 
Nov. 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 0.0 μg/m3 (0) 1.1 μg/m3 (5) 21.0
 
Nov. 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) 4.2 μg/m3 (18) 22.0
 
Nov. 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 4.2 μg/m3 (18) 23.0
 
Nov. 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 5.0 μg/m3 (21) 24.0
 
Nov. 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 0.0 μg/m3 (0) 1.3 μg/m3 (5) 24.0
 
Nov. 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 24.0
 
Nov. 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
Nov. 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 2.6 μg/m3 (11) 23.0
 
Nov. 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 6.0 μg/m3 (5) 6.6 μg/m3 (28) 28.0
 
Nov. 11, 2019, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 3.5 μg/m3 (15) 22.0
 
Nov. 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 4.0 μg/m3 (4) -1.4 μg/m3 (0) 22.0
 
Nov. 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 3.9 μg/m3 (16) 23.0
 
Nov. 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A -1.0 μg/m3 (0) 2.7 μg/m3 (11) 24.0
 
Nov. 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 0.0 μg/m3 (0) -0.5 μg/m3 (0) 24.0
 
Nov. 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A -1.0 μg/m3 (0) 4.6 μg/m3 (19) 25.0
 
Nov. 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 0.0 μg/m3 (0) 0.3 μg/m3 (1) 25.0
 
Nov. 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 3.2 μg/m3 (13) 25.0
 
Nov. 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 2.1 μg/m3 (9) 25.0
 
Nov. 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) -0.3 μg/m3 (0) 25.0
 
Nov. 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 2.0 μg/m3 (2) 5.9 μg/m3 (25) 25.0
 
Nov. 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 24.0
 
Nov. 10, 2019, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 23.0
 
Nov. 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 3.0 μg/m3 (12) 24.0
 
Nov. 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 0.2 μg/m3 (1) 24.0
 
Nov. 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 24.0
 
Nov. 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 25.0
 
Nov. 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 6.9 μg/m3 (29) 29.0
 
Nov. 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 1.0 μg/m3 (4) 22.0
 
Nov. 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 11.0 μg/m3 (10) 0.2 μg/m3 (1) 20.0
 
Nov. 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 16.0 μg/m3 (15) 5.5 μg/m3 (23) 23.0
 
Nov. 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 12.0 μg/m3 (11) 3.7 μg/m3 (15) 16.0
 
Nov. 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 7.5 μg/m3 (31) 31.0
 
Nov. 10, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 14.0 μg/m3 (13) 10.6 μg/m3 (44) 44.0
 
Nov. 10, 2019, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 14.0 μg/m3 (13) 9.4 μg/m3 (39) 39.0
 
Nov. 9, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 7.0 μg/m3 (6) 4.2 μg/m3 (18) 18.0
 
Nov. 9, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 4.4 μg/m3 (18) 18.0
 
Nov. 9, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 10.0
 
Nov. 9, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 8.0 μg/m3 (33) 33.0
 
Nov. 9, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 8.0 μg/m3 (7) 6.3 μg/m3 (26) 26.0
 
Nov. 9, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 11.9 μg/m3 (50) 50.0
 
Nov. 9, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 0.3 μg/m3 (1) 17.0
 
Nov. 9, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 2.0 μg/m3 (2) 9.3 μg/m3 (39) 39.0
 
Nov. 9, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A -4.0 μg/m3 (0) 9.1 μg/m3 (38) 38.0
 
Nov. 9, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 18.0
 
Nov. 9, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 18.0
 
Nov. 9, 2019, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 1.0 μg/m3 (1) 3.7 μg/m3 (15) 20.0
 
Nov. 9, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 22.0
 
Nov. 9, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 18.0
 
Nov. 9, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 18.0
 
Nov. 9, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) -1.0 μg/m3 (0) 18.0
 
Nov. 9, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 13.0
 
Nov. 9, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 11.0
 
Nov. 9, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 3.0 μg/m3 (3) 0.7 μg/m3 (3) 12.0
 
Nov. 9, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 1.0 μg/m3 (1) 4.3 μg/m3 (18) 18.0
 
Nov. 9, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) -1.0 μg/m3 (0) 15.0
 
Nov. 9, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 2.0 μg/m3 (2) 5.4 μg/m3 (23) 23.0
 
Nov. 9, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) 1.8 μg/m3 (8) 20.0
 
Nov. 9, 2019, midnight N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) 6.4 μg/m3 (27) 27.0
 
Nov. 8, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 14.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
Nov. 8, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) 5.3 μg/m3 (22) 23.0
 
Nov. 8, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 25.0
 
Nov. 8, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 5.0 μg/m3 (21) 25.0
 
Nov. 8, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 0.0 μg/m3 (0) 7.3 μg/m3 (30) 30.0
 
Nov. 8, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A -4.0 μg/m3 (0) 5.9 μg/m3 (25) 25.0
 
Nov. 8, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A -1.0 μg/m3 (0) 3.4 μg/m3 (14) 22.0
 
Nov. 8, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) 7.1 μg/m3 (30) 30.0
 
Nov. 8, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 2.4 μg/m3 (10) 20.0
 
Nov. 8, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 1.5 μg/m3 (6) 18.0
 
Nov. 8, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 2.0 μg/m3 (2) 4.3 μg/m3 (18) 18.0
 
Nov. 8, 2019, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 3.1 μg/m3 (13) 16.0
 
Nov. 8, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 3.0 μg/m3 (3) 2.3 μg/m3 (10) 16.0
 
Nov. 8, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (6) 15.0
 
Nov. 8, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 0.0 μg/m3 (0) 2.7 μg/m3 (11) 16.0
 
Nov. 8, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 0.0 μg/m3 (0) 6.2 μg/m3 (26) 26.0
 
Nov. 8, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A -3.0 μg/m3 (0) 2.4 μg/m3 (10) 16.0
 
Nov. 8, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 2.0 μg/m3 (2) -1.6 μg/m3 (0) 16.0
 
Nov. 8, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 1.3 μg/m3 (5) 16.0
 
Nov. 8, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 17.0
 
Nov. 8, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 2.4 μg/m3 (10) 18.0
 
Nov. 8, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 18.0
 
Nov. 8, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 6.0 μg/m3 (5) 0.0 μg/m3 (0) 18.0
 
Nov. 8, 2019, midnight N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 23.0
 
Nov. 7, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 0.0 μg/m3 (0) 2.7 μg/m3 (11) 18.0
 
Nov. 7, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) -1.1 μg/m3 (0) 19.0
 
Nov. 7, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 3.2 μg/m3 (13) 20.0
 
Nov. 7, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 0.0 μg/m3 (0) 3.9 μg/m3 (16) 22.0
 
Nov. 7, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 0.0 μg/m3 (0) 3.5 μg/m3 (15) 20.0
 
Nov. 7, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 2.5 μg/m3 (10) 21.0
 
Nov. 7, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A -2.0 μg/m3 (0) 2.7 μg/m3 (11) 18.0
 
Nov. 7, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A -3.0 μg/m3 (0) 7.5 μg/m3 (31) 31.0
 
Nov. 7, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 19.0
 
Nov. 7, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 3.6 μg/m3 (15) 18.0
 
Nov. 7, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 3.0 μg/m3 (3) 2.6 μg/m3 (11) 15.0
 
Nov. 7, 2019, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 3.3 μg/m3 (14) 18.0
 
Nov. 7, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 2.0 μg/m3 (2) 3.7 μg/m3 (15) 17.0
 
Nov. 7, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 18.0
 
Nov. 7, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 18.0
 
Nov. 7, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 11.8 μg/m3 (49) 49.0
 
Nov. 7, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 6.0 μg/m3 (5) 12.9 μg/m3 (52) 52.0
 
Nov. 7, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) -1.3 μg/m3 (0) 19.0
 
Nov. 7, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) 1.2 μg/m3 (5) 20.0
 
Nov. 7, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 2.0 μg/m3 (2) 2.2 μg/m3 (9) 21.0
 
Nov. 7, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 20.0
 
Nov. 7, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 1.0 μg/m3 (1) 1.6 μg/m3 (7) 22.0
 
Nov. 7, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) -2.6 μg/m3 (0) 22.0
 
Nov. 7, 2019, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 8.0 μg/m3 (7) -1.9 μg/m3 (0) 22.0
 
Nov. 6, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 11.0 μg/m3 (10) -0.9 μg/m3 (0) 21.0
 
Nov. 6, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 2.1 μg/m3 (9) 23.0
 
Nov. 6, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 1.0 μg/m3 (1) 0.2 μg/m3 (1) 22.0
 
Nov. 6, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 5.0 μg/m3 (5) 0.0 μg/m3 (0) 22.0
 
Nov. 6, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 23.0
 
Nov. 6, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 2.1 μg/m3 (9) 22.0
 
Nov. 6, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
Nov. 6, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A -3.0 μg/m3 (0) 4.1 μg/m3 (17) 21.0
 
Nov. 6, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A -4.0 μg/m3 (0) -4.1 μg/m3 (0) 20.0
 
Nov. 6, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 19.0
 
Nov. 6, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 2.0 μg/m3 (2) 1.6 μg/m3 (7) 20.0
 
Nov. 6, 2019, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 3.0 μg/m3 (12) 21.0
 
Nov. 6, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 6.0 μg/m3 (5) 1.2 μg/m3 (5) 22.0
 
Nov. 6, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 5.0 μg/m3 (5) 0.5 μg/m3 (2) 22.0
 
Nov. 6, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 22.0
 
Nov. 6, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 22.0
 
Nov. 6, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 19.0 μg/m3 (17) 3.6 μg/m3 (15) 21.0
 
Nov. 6, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 21.0
 
Nov. 6, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) -0.6 μg/m3 (0) 21.0
 
Nov. 6, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 21.0
 
Nov. 6, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 13.0 μg/m3 (12) 5.4 μg/m3 (23) 23.0
 
Nov. 6, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 5.7 μg/m3 (24) 24.0
 
Nov. 6, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 3.8 μg/m3 (16) 17.0
 
Nov. 6, 2019, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 4.0 μg/m3 (4) 1.9 μg/m3 (8) 14.0
 
Nov. 5, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 7.0 μg/m3 (6) 6.9 μg/m3 (29) 29.0
 
Nov. 5, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A N/A N/A 17.0
 
Nov. 5, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A N/A 18.0
 
Nov. 5, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 2.0 μg/m3 (8) 18.0
 
Nov. 5, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
Nov. 5, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 23.0
 
Nov. 5, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Nov. 5, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 0.0 μg/m3 (0) 5.1 μg/m3 (21) 21.0