AQSQID: 300710010

Site Name: Malta

Location: Malta (Short Oil Rd), MT

Reporting: True, Located: True

Current AQI: 22.0

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
April 2, 2020, 6 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) 2.6 μg/m3 (11) 22.0
 
April 2, 2020, 5 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) 4.7 μg/m3 (20) 22.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 6.0 μg/m3 (5) 5.9 μg/m3 (25) 25.0
 
April 2, 2020, 3 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) 2.8 μg/m3 (12) 24.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 25.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 15.0 μg/m3 (14) 7.4 μg/m3 (31) 31.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 14.0 μg/m3 (13) 3.8 μg/m3 (16) 28.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 10.0 μg/m3 (9) 3.7 μg/m3 (15) 27.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 7.0 μg/m3 (6) 5.6 μg/m3 (23) 26.0
 
April 1, 2020, 8 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) 3.2 μg/m3 (13) 25.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 7.0 μg/m3 (6) 9.1 μg/m3 (38) 38.0
 
April 1, 2020, 6 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) 3.6 μg/m3 (15) 23.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 2.4 μg/m3 (10) 24.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 11.0 μg/m3 (10) 6.5 μg/m3 (27) 27.0
 
April 1, 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) 3.7 μg/m3 (15) 23.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 3.1 μg/m3 (13) 22.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 13.0 μg/m3 (12) 4.8 μg/m3 (20) 22.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 16.0 μg/m3 (15) 3.6 μg/m3 (15) 22.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 24.0 μg/m3 (22) 2.9 μg/m3 (12) 22.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 20.0 μg/m3 (18) 5.7 μg/m3 (24) 24.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 19.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 8.1 μg/m3 (34) 34.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 11.0 μg/m3 (10) 4.3 μg/m3 (18) 19.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 4.3 μg/m3 (18) 19.0
 
April 1, 2020, 4 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) 4.5 μg/m3 (19) 19.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 11.0 μg/m3 (10) 4.1 μg/m3 (17) 18.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 7.4 μg/m3 (31) 31.0
 
April 1, 2020, 1 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) 9.3 μg/m3 (39) 39.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 6.0 μg/m3 (5) 8.3 μg/m3 (35) 35.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 9.4 μg/m3 (39) 39.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 7.0 μg/m3 (6) 4.4 μg/m3 (18) 23.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 5.0 μg/m3 (5) 5.4 μg/m3 (23) 23.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (6) 22.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 0.0 μg/m3 (0) 0.4 μg/m3 (2) 22.0
 
March 31, 2020, 6 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) 2.4 μg/m3 (10) 22.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 7.1 μg/m3 (30) 30.0
 
March 31, 2020, 4 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) 9.3 μg/m3 (39) 39.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 8.0 μg/m3 (7) 8.0 μg/m3 (33) 33.0
 
March 31, 2020, 2 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) 0.5 μg/m3 (2) 25.0
 
March 31, 2020, 1 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) 0.0 μg/m3 (0) 25.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 4.8 μg/m3 (20) 28.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) 0.6 μg/m3 (2) 28.0
 
March 31, 2020, 10 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) -1.2 μg/m3 (0) 22.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 7.0 μg/m3 (6) 4.9 μg/m3 (20) 22.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 9.8 μg/m3 (41) 41.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 1.0 μg/m3 (1) -3.8 μg/m3 (0) 23.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 23.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 6.0 μg/m3 (5) 2.4 μg/m3 (10) 25.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 1.0 μg/m3 (1) -0.5 μg/m3 (0) 25.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 2.9 μg/m3 (12) 24.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 0.0 μg/m3 (0) 0.6 μg/m3 (2) 26.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 2.7 μg/m3 (11) 25.0
 
March 31, 2020, midnight 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 (0) 28.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) -4.2 μg/m3 (0) 31.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 3.0 μg/m3 (3) 0.3 μg/m3 (1) 32.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 3.0 μg/m3 (3) -0.3 μg/m3 (0) 32.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 1.0 μg/m3 (1) 1.7 μg/m3 (7) 33.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 1.0 μg/m3 (1) 2.8 μg/m3 (12) 34.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 0.0 μg/m3 (0) 1.3 μg/m3 (5) 33.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 1.0 μg/m3 (1) -1.5 μg/m3 (0) 28.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 5.1 μg/m3 (21) 23.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 5.3 μg/m3 (22) 22.0
 
March 30, 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) 1.0 μg/m3 (4) 19.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 1.0 μg/m3 (1) 0.0 μg/m3 (0) 18.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) -0.4 μg/m3 (0) 19.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) 3.1 μg/m3 (13) 19.0
 
March 30, 2020, 10 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) 0.3 μg/m3 (1) 21.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 2.4 μg/m3 (10) 20.0
 
March 30, 2020, 8 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) 2.6 μg/m3 (11) 21.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 0.0 μg/m3 (0) N/A 22.0
 
March 30, 2020, 6 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) -0.5 μg/m3 (0) 22.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 0.0 μg/m3 (0) -1.7 μg/m3 (0) 22.0
 
March 30, 2020, 4 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) -0.2 μg/m3 (0) 23.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 3.5 μg/m3 (15) 23.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) -1.5 μg/m3 (0) 24.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 3.4 μg/m3 (14) 26.0
 
March 30, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 11.0 μg/m3 (10) 1.5 μg/m3 (6) 30.0
 
March 29, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 12.0 μg/m3 (11) 1.2 μg/m3 (5) 29.0
 
March 29, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 2.0 μg/m3 (2) -2.0 μg/m3 (0) 30.0
 
March 29, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) -1.0 μg/m3 (0) 31.0
 
March 29, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 0.0 μg/m3 (0) 3.0 μg/m3 (12) 31.0
 
March 29, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A -1.0 μg/m3 (0) 0.4 μg/m3 (2) 30.0
 
March 29, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 1.0 μg/m3 (1) 1.7 μg/m3 (7) 30.0
 
March 29, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 0.0 μg/m3 (0) 0.5 μg/m3 (2) 28.0
 
March 29, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) -0.9 μg/m3 (0) 24.0
 
March 29, 2020, 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) 5.4 μg/m3 (23) 23.0
 
March 29, 2020, 2 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) -0.8 μg/m3 (0) 20.0
 
March 29, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 1.0 μg/m3 (1) -0.3 μg/m3 (0) 22.0
 
March 29, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 20.0
 
March 29, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (9) 21.0
 
March 29, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 6.4 μg/m3 (27) 27.0
 
March 29, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 27.0
 
March 29, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 2.0 μg/m3 (2) 0.7 μg/m3 (3) 26.0
 
March 29, 2020, 7 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) -0.9 μg/m3 (0) 25.0
 
March 29, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 2.6 μg/m3 (11) 23.0
 
March 29, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 1.0 μg/m3 (1) 2.4 μg/m3 (10) 24.0
 
March 29, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 1.0 μg/m3 (1) 2.7 μg/m3 (11) 27.0
 
March 29, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) -1.4 μg/m3 (0) 27.0
 
March 29, 2020, 2 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) 4.7 μg/m3 (20) 28.0
 
March 29, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 0.1 μg/m3 (0) 29.0
 
March 29, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 8.0 μg/m3 (7) 7.2 μg/m3 (30) 32.0
 
March 28, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 2.0 μg/m3 (2) 7.9 μg/m3 (33) 33.0
 
March 28, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 33.0
 
March 28, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) 3.3 μg/m3 (14) 33.0
 
March 28, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 33.0
 
March 28, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 2.0 μg/m3 (2) 1.8 μg/m3 (8) 33.0
 
March 28, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 0.0 μg/m3 (0) 5.3 μg/m3 (22) 32.0
 
March 28, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) 5.2 μg/m3 (22) 31.0
 
March 28, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 2.0 μg/m3 (2) 6.3 μg/m3 (26) 29.0
 
March 28, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) 12.1 μg/m3 (50) 50.0
 
March 28, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A -3.0 μg/m3 (0) 1.7 μg/m3 (7) 24.0
 
March 28, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 4.2 μg/m3 (18) 21.0
 
March 28, 2020, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 7.0 μg/m3 (6) 0.9 μg/m3 (4) 20.0
 
March 28, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 20.0
 
March 28, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 22.0
 
March 28, 2020, 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) 2.4 μg/m3 (10) 24.0
 
March 28, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 2.0 μg/m3 (2) 3.4 μg/m3 (14) 24.0
 
March 28, 2020, 7 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) -0.4 μg/m3 (0) 24.0
 
March 28, 2020, 6 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) 1.5 μg/m3 (6) 24.0
 
March 28, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 25.0
 
March 28, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (12) 26.0
 
March 28, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) 4.0 μg/m3 (17) 28.0
 
March 28, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 8.0 μg/m3 (7) 3.7 μg/m3 (15) 27.0
 
March 28, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
March 28, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 9.0 μg/m3 (8) 2.3 μg/m3 (10) 32.0
 
March 27, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) 4.8 μg/m3 (20) 33.0
 
March 27, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 4.0 μg/m3 (4) 3.2 μg/m3 (13) 33.0
 
March 27, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 33.0
 
March 27, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 6.0 μg/m3 (5) 4.5 μg/m3 (19) 32.0
 
March 27, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (2) 32.0
 
March 27, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 1.0 μg/m3 (1) 3.6 μg/m3 (15) 30.0
 
March 27, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 2.0 μg/m3 (2) 5.2 μg/m3 (22) 29.0
 
March 27, 2020, 4 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) 5.7 μg/m3 (24) 25.0
 
March 27, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 7.5 μg/m3 (31) 31.0
 
March 27, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 2.0 μg/m3 (2) -2.1 μg/m3 (0) 22.0
 
March 27, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 4.0 μg/m3 (4) 4.5 μg/m3 (19) 21.0
 
March 27, 2020, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 7.0 μg/m3 (6) 3.2 μg/m3 (13) 21.0
 
March 27, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 3.5 μg/m3 (15) 22.0
 
March 27, 2020, 10 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) 1.8 μg/m3 (8) 24.0
 
March 27, 2020, 9 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) 5.8 μg/m3 (24) 24.0
 
March 27, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 4.9 μg/m3 (20) 23.0
 
March 27, 2020, 7 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) 8.9 μg/m3 (37) 37.0
 
March 27, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 11.0 μg/m3 (10) 0.7 μg/m3 (3) 25.0
 
March 27, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
March 27, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 7.0 μg/m3 (6) 3.9 μg/m3 (16) 27.0
 
March 27, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 11.0 μg/m3 (10) 2.8 μg/m3 (12) 29.0
 
March 27, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 6.3 μg/m3 (26) 31.0
 
March 27, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 33.0
 
March 27, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 5.0 μg/m3 (5) 1.0 μg/m3 (4) 35.0
 
March 26, 2020, 11 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) -0.9 μg/m3 (0) 36.0
 
March 26, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 1.0 μg/m3 (1) 1.8 μg/m3 (8) 35.0
 
March 26, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 32.0
 
March 26, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 1.0 μg/m3 (1) -3.1 μg/m3 (0) 31.0
 
March 26, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A -2.0 μg/m3 (0) 3.8 μg/m3 (16) 31.0
 
March 26, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 0.0 μg/m3 (0) 3.2 μg/m3 (13) 29.0
 
March 26, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 1.0 μg/m3 (1) -2.6 μg/m3 (0) 28.0
 
March 26, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A -2.0 μg/m3 (0) 11.8 μg/m3 (49) 49.0
 
March 26, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.1 μg/m3 (30) 30.0
 
March 26, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 3.0 μg/m3 (3) 4.1 μg/m3 (17) 18.0
 
March 26, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (7) 18.0
 
March 26, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 2.0 μg/m3 (2) 3.4 μg/m3 (14) 18.0
 
March 26, 2020, 11 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) 6.3 μg/m3 (26) 26.0
 
March 26, 2020, 10 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) 2.1 μg/m3 (9) 18.0
 
March 26, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 6.0 μg/m3 (5) 3.5 μg/m3 (15) 16.0
 
March 26, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 5.0 μg/m3 (5) -4.8 μg/m3 (0) 19.0
 
March 26, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) -2.6 μg/m3 (0) 21.0