ID: 2433

AQSQID: 300710010

Site Name: Malta

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

Updated: July 10, 2020, 1:38 p.m.

Location: Malta (Short Oil Rd), MT

Reporting: True, Located: True

Current AQI: 14.0

Malta (Short Oil Rd) MT, US: 48.317507, -107.862471

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 10, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A 0.5 μg/m3 (2) 14.0
 
July 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 15.0 μg/m3 (14) 4.8 μg/m3 (20) 20.0
 
July 10, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 0.0 μg/m3 (0) 4.4 μg/m3 (18) 18.0
 
July 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 7.0 μg/m3 (6) 1.0 μg/m3 (4) 15.0
 
July 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 0.3 μg/m3 (1) 17.0
 
July 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) -0.6 μg/m3 (0) 18.0
 
July 10, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 10.0 μg/m3 (9) 1.7 μg/m3 (7) 18.0
 
July 10, 2020, 5 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) 3.2 μg/m3 (13) 18.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 20.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 14.0 μg/m3 (13) 5.4 μg/m3 (23) 23.0
 
July 10, 2020, 2 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) 2.1 μg/m3 (9) 22.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 0.8 μg/m3 (3) 26.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 20.0 μg/m3 (18) 1.1 μg/m3 (5) 26.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 23.0 μg/m3 (21) N/A 26.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 42.0 μg/m3 (38) 3.8 μg/m3 (16) 38.0
 
July 9, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 41.0 μg/m3 (37) 4.2 μg/m3 (18) 37.0
 
July 9, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 52.0 μg/m3 (47) 2.8 μg/m3 (12) 47.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 55.0 μg/m3 (50) 3.9 μg/m3 (16) 50.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 100.0 μg/m3 (72) 3.4 μg/m3 (14) 72.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 128.0 μg/m3 (86) 5.8 μg/m3 (24) 86.0
 
July 9, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 125.0 μg/m3 (85) 13.3 μg/m3 (53) 85.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 92.0 μg/m3 (68) 13.8 μg/m3 (54) 68.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (58) 6.9 μg/m3 (29) 58.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (9) 2.0 μg/m3 (8) 9.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 1.0 μg/m3 (4) 14.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 7.3 μg/m3 (30) 30.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 4.9 μg/m3 (20) 20.0
 
July 9, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 5.5 μg/m3 (23) 23.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) -4.1 μg/m3 (0) 15.0
 
July 9, 2020, 6 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) 3.9 μg/m3 (16) 18.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 4.6 μg/m3 (19) 19.0
 
July 9, 2020, 4 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) 4.2 μg/m3 (18) 20.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 32.0 μg/m3 (29) 6.8 μg/m3 (28) 29.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 26.0 μg/m3 (24) 1.1 μg/m3 (5) 24.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 43.0 μg/m3 (39) 6.7 μg/m3 (28) 39.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 35.0 μg/m3 (32) -0.3 μg/m3 (0) 32.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 16.0 μg/m3 (15) -4.4 μg/m3 (0) 23.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 22.0 μg/m3 (20) 7.6 μg/m3 (32) 32.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 38.0 μg/m3 (35) 1.8 μg/m3 (8) 35.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 27.0 μg/m3 (25) 3.1 μg/m3 (13) 27.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 75.0 μg/m3 (60) 1.7 μg/m3 (7) 60.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 26.0 μg/m3 (24) 6.8 μg/m3 (28) 28.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 11.0 μg/m3 (10) 5.4 μg/m3 (23) 28.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 5.7 μg/m3 (24) 28.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 5.0 μg/m3 (5) 9.3 μg/m3 (39) 39.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 1.6 μg/m3 (7) 24.0
 
July 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A -1.5 μg/m3 (0) 23.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.2 μg/m3 (9) 23.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 5.8 μg/m3 (24) 24.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A -1.4 μg/m3 (0) 23.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 2.0 μg/m3 (8) 22.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.4 μg/m3 (6) 20.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 7.7 μg/m3 (32) 32.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 4.2 μg/m3 (18) 18.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 5.1 μg/m3 (21) 21.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 0.4 μg/m3 (2) 22.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 6.7 μg/m3 (28) 28.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 2.8 μg/m3 (12) 23.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.3 μg/m3 (26) 26.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 15.7 μg/m3 (58) 58.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 13.8 μg/m3 (54) 54.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 22.0 μg/m3 (20) 4.8 μg/m3 (20) 24.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 4.7 μg/m3 (20) 25.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 33.0 μg/m3 (30) 2.9 μg/m3 (12) 30.0
 
July 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 14.0 μg/m3 (13) 2.4 μg/m3 (10) 25.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 47.0 μg/m3 (43) 2.9 μg/m3 (12) 43.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 4.0 μg/m3 (17) 25.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 3.0 μg/m3 (3) 2.9 μg/m3 (12) 24.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A -3.0 μg/m3 (0) 7.3 μg/m3 (30) 30.0
 
July 7, 2020, 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) 2.6 μg/m3 (11) 19.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 1.0 μg/m3 (1) 7.9 μg/m3 (33) 33.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 8.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 3.4 μg/m3 (14) 14.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 6.1 μg/m3 (25) 25.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 4.7 μg/m3 (20) 20.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 2.9 μg/m3 (12) 12.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 12.0
 
July 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (7) 8.6 μg/m3 (36) 36.0
 
July 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (16) 1.0 μg/m3 (4) 16.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) N/A 10.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A N/A N/A 1.0 μg/m3 (1) 9.8 μg/m3 (41) 41.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (18) 15.6 μg/m3 (58) 58.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 17.0 μg/m3 (15) 7.6 μg/m3 (32) 32.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 2.5 μg/m3 (10) 33.0
 
July 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 11.0 μg/m3 (10) 3.2 μg/m3 (13) 33.0
 
July 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) -1.1 μg/m3 (0) 32.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 29.0
 
July 6, 2020, 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) 3.4 μg/m3 (14) 25.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 11.0 μg/m3 (10) -0.7 μg/m3 (0) 22.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 1.0 μg/m3 (1) -0.2 μg/m3 (0) 15.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 0.0 μg/m3 (0) 0.8 μg/m3 (3) 14.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 2.0 μg/m3 (2) 4.9 μg/m3 (20) 20.0
 
July 6, 2020, 11 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) 0.5 μg/m3 (2) 17.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 0.0 μg/m3 (0) 8.2 μg/m3 (34) 34.0
 
July 6, 2020, 9 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) 5.7 μg/m3 (24) 24.0
 
July 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) 8.0 μg/m3 (33) 33.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) 11.7 μg/m3 (49) 49.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 4.7 μg/m3 (20) 25.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 28.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 7.0 μg/m3 (6) 3.4 μg/m3 (14) 28.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 28.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 30.0
 
July 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 7.0 μg/m3 (6) 1.8 μg/m3 (8) 36.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 5.0 μg/m3 (5) 6.0 μg/m3 (25) 37.0
 
July 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 0.0 μg/m3 (0) 5.0 μg/m3 (21) 36.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 5.0 μg/m3 (5) 2.5 μg/m3 (10) 36.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 35.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 13.0 μg/m3 (12) -1.4 μg/m3 (0) 35.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 13.0 μg/m3 (12) 3.9 μg/m3 (16) 33.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 18.0 μg/m3 (16) 2.4 μg/m3 (10) 32.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 17.0 μg/m3 (15) 3.6 μg/m3 (15) 31.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 15.0 μg/m3 (14) 2.4 μg/m3 (10) 26.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 23.0 μg/m3 (21) -2.1 μg/m3 (0) 22.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 13.0 μg/m3 (12) 1.9 μg/m3 (8) 17.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 0.3 μg/m3 (1) 16.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 2.0 μg/m3 (2) 2.2 μg/m3 (9) 12.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 12.0 μg/m3 (11) 10.5 μg/m3 (44) 44.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 9.0 μg/m3 (8) 3.5 μg/m3 (15) 17.0
 
July 5, 2020, 9 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) 1.3 μg/m3 (5) 22.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 8.0 μg/m3 (7) 1.9 μg/m3 (8) 17.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 12.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) 4.1 μg/m3 (17) 23.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 25.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 2.0 μg/m3 (2) 5.8 μg/m3 (24) 25.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 6.0 μg/m3 (5) 7.9 μg/m3 (33) 33.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) 2.3 μg/m3 (10) 33.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 9.0 μg/m3 (8) 4.5 μg/m3 (19) 32.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 8.4 μg/m3 (35) 35.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 4.5 μg/m3 (19) 34.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 1.0 μg/m3 (1) 1.3 μg/m3 (5) 35.0
 
July 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 1.4 μg/m3 (6) 35.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 36.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 9.0 μg/m3 (8) 2.1 μg/m3 (9) 36.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 4.4 μg/m3 (18) 35.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 14.0 μg/m3 (13) 0.0 μg/m3 (0) 34.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) -3.7 μg/m3 (0) 30.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 8.0 μg/m3 (7) -3.8 μg/m3 (0) 23.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 13.0 μg/m3 (12) -1.4 μg/m3 (0) 23.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 7.0 μg/m3 (6) 5.1 μg/m3 (21) 21.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 10.0 μg/m3 (9) 2.8 μg/m3 (12) 14.0
 
July 4, 2020, 11 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) 6.1 μg/m3 (25) 25.0
 
July 4, 2020, 10 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) 7.5 μg/m3 (31) 31.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 9.0 μg/m3 (8) 5.5 μg/m3 (23) 23.0
 
July 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 8.6 μg/m3 (36) 36.0
 
July 4, 2020, 7 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) 5.9 μg/m3 (25) 25.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 10.0 μg/m3 (9) 8.7 μg/m3 (36) 36.0
 
July 4, 2020, 5 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) 10.5 μg/m3 (44) 44.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 10.0 μg/m3 (9) 4.2 μg/m3 (18) 25.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 14.0 μg/m3 (13) 11.3 μg/m3 (47) 47.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 8.0 μg/m3 (7) 5.1 μg/m3 (21) 33.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 19.0 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 10.0 μg/m3 (9) 8.1 μg/m3 (34) 34.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 6.6 μg/m3 (28) 36.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 11.0 μg/m3 (10) 1.7 μg/m3 (7) 39.0
 
July 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 7.0 μg/m3 (6) 6.8 μg/m3 (28) 36.0
 
July 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 0.8 μg/m3 (3) 33.0
 
July 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 29.0
 
July 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 7.0 μg/m3 (6) 0.2 μg/m3 (1) 28.0
 
July 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 25.0
 
July 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 0.0 μg/m3 (0) -0.7 μg/m3 (0) 21.0
 
July 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A -3.6 μg/m3 (0) 16.0
 
July 3, 2020, 2 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) 2.4 μg/m3 (10) 15.0
 
July 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 0.0 μg/m3 (0) 1.9 μg/m3 (8) 12.0