ID: 2433

AQSQID: 300710010

Site Name: Malta

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

Updated: Oct. 20, 2021, 1:03 a.m.

Location: Malta (Short Oil Rd), MT

Reporting: True, Located: True

Current AQI: 18.0

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
Oct. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 18.0
 
Oct. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 5.5 μg/m3 (23) 23.0
 
Oct. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
Oct. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Oct. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (20) 20.0
 
Oct. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A -0.1 μg/m3 (0) 26.0
 
Oct. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (7) 28.0
 
Oct. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 10.0 μg/m3 (10) -4.4 μg/m3 (0) 26.0
 
Oct. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 2.0 μg/m3 (2) -2.8 μg/m3 (0) 25.0
 
Oct. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 10.0 μg/m3 (10) 6.1 μg/m3 (26) 26.0
 
Oct. 19, 2021, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 4.7 μg/m3 (20) 23.0
 
Oct. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 6.0 μg/m3 (6) 2.4 μg/m3 (10) 23.0
 
Oct. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 11.0 μg/m3 (11) 0.3 μg/m3 (2) 23.0
 
Oct. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 8.0 μg/m3 (8) 4.7 μg/m3 (20) 20.0
 
Oct. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 7.0 μg/m3 (7) N/A 19.0
 
Oct. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) -2.3 μg/m3 (0) 20.0
 
Oct. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 17.0 μg/m3 (16) 5.1 μg/m3 (22) 22.0
 
Oct. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Oct. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
Oct. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 19.0 μg/m3 (18) 6.6 μg/m3 (28) 28.0
 
Oct. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 5.5 μg/m3 (23) 25.0
 
Oct. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 29.0 μg/m3 (27) 6.2 μg/m3 (26) 27.0
 
Oct. 19, 2021, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 42.0 μg/m3 (39) 8.7 μg/m3 (37) 39.0
 
Oct. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 46.0 μg/m3 (43) 5.3 μg/m3 (23) 43.0
 
Oct. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 31.0 μg/m3 (29) 8.3 μg/m3 (35) 35.0
 
Oct. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 31.0 μg/m3 (29) 9.0 μg/m3 (38) 38.0
 
Oct. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 22.0 μg/m3 (21) 4.5 μg/m3 (19) 37.0
 
Oct. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 18.0 μg/m3 (17) 7.4 μg/m3 (31) 33.0
 
Oct. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 18.0 μg/m3 (17) 4.0 μg/m3 (17) 27.0
 
Oct. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 11.0 μg/m3 (11) 4.1 μg/m3 (18) 26.0
 
Oct. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 2.0 μg/m3 (2) 6.3 μg/m3 (27) 27.0
 
Oct. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 4.0 μg/m3 (4) 4.9 μg/m3 (21) 23.0
 
Oct. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) 1.7 μg/m3 (8) 20.0
 
Oct. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 10.0 μg/m3 (10) 2.5 μg/m3 (11) 21.0
 
Oct. 18, 2021, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 3.8 μg/m3 (16) 20.0
 
Oct. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 22.0
 
Oct. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 0.8 μg/m3 (4) 25.0
 
Oct. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 27.0
 
Oct. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 1.4 μg/m3 (6) 28.0
 
Oct. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 9.0 μg/m3 (9) 1.2 μg/m3 (5) 27.0
 
Oct. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 29.0
 
Oct. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) -1.1 μg/m3 (0) 31.0
 
Oct. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 9.0 μg/m3 (9) 2.5 μg/m3 (11) 31.0
 
Oct. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 5.0 μg/m3 (5) 4.6 μg/m3 (20) 34.0
 
Oct. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 2.6 μg/m3 (11) 35.0
 
Oct. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 29.0 μg/m3 (27) 2.1 μg/m3 (9) 35.0
 
Oct. 18, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 60.0 μg/m3 (54) 4.8 μg/m3 (20) 54.0
 
Oct. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 45.0 μg/m3 (42) 10.9 μg/m3 (46) 46.0
 
Oct. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 2.2 μg/m3 (10) 39.0
 
Oct. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 1.5 μg/m3 (7) 39.0
 
Oct. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) 1.7 μg/m3 (8) 39.0
 
Oct. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 38.0
 
Oct. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 34.0
 
Oct. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A -1.0 μg/m3 (0) 2.3 μg/m3 (10) 31.0
 
Oct. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 1.0 μg/m3 (1) 3.3 μg/m3 (14) 29.0
 
Oct. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 5.0 μg/m3 (5) -1.9 μg/m3 (0) 27.0
 
Oct. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 2.7 μg/m3 (12) 26.0
 
Oct. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 4.0 μg/m3 (4) 1.5 μg/m3 (7) 25.0
 
Oct. 17, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 26.0
 
Oct. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 3.9 μg/m3 (17) 26.0
 
Oct. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 27.0
 
Oct. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 4.2 μg/m3 (18) 27.0
 
Oct. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 12.0 μg/m3 (12) 10.6 μg/m3 (45) 45.0
 
Oct. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 10.0 μg/m3 (10) 18.4 μg/m3 (65) 65.0
 
Oct. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 6.0 μg/m3 (6) 2.6 μg/m3 (11) 29.0
 
Oct. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 9.0 μg/m3 (9) 2.0 μg/m3 (9) 31.0
 
Oct. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 12.0 μg/m3 (12) 4.6 μg/m3 (20) 31.0
 
Oct. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 21.0 μg/m3 (20) 2.6 μg/m3 (11) 30.0
 
Oct. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 16.0 μg/m3 (15) 1.0 μg/m3 (5) 29.0
 
Oct. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 22.0 μg/m3 (21) 3.6 μg/m3 (16) 30.0
 
Oct. 17, 2021, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 21.0 μg/m3 (20) 3.4 μg/m3 (15) 30.0
 
Oct. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 9.0 μg/m3 (9) -3.7 μg/m3 (0) 32.0
 
Oct. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 4.5 μg/m3 (19) 36.0
 
Oct. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 0.5 μg/m3 (3) 37.0
 
Oct. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 36.0
 
Oct. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
Oct. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 2.0 μg/m3 (2) 0.9 μg/m3 (4) 33.0
 
Oct. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 32.0
 
Oct. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 8.0 μg/m3 (8) 4.1 μg/m3 (18) 35.0
 
Oct. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 7.1 μg/m3 (30) 30.0
 
Oct. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 26.0
 
Oct. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 1.0 μg/m3 (1) -1.2 μg/m3 (0) 28.0
 
Oct. 16, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 5.9 μg/m3 (25) 27.0
 
Oct. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 11.0 μg/m3 (11) 2.0 μg/m3 (9) 25.0
 
Oct. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 2.0 μg/m3 (2) 1.9 μg/m3 (8) 24.0
 
Oct. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) 0.1 μg/m3 (1) 24.0
 
Oct. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 8.0 μg/m3 (8) 5.6 μg/m3 (24) 25.0
 
Oct. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 10.0 μg/m3 (10) 3.7 μg/m3 (16) 26.0
 
Oct. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) 2.7 μg/m3 (12) 25.0
 
Oct. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 12.0 μg/m3 (12) 5.5 μg/m3 (23) 25.0
 
Oct. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 1.6 μg/m3 (7) 27.0
 
Oct. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) 1.6 μg/m3 (7) 28.0
 
Oct. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 14.0 μg/m3 (13) 2.5 μg/m3 (11) 29.0
 
Oct. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 16.0 μg/m3 (15) 4.5 μg/m3 (19) 30.0
 
Oct. 16, 2021, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (19) 35.0
 
Oct. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 1.7 μg/m3 (8) 37.0
 
Oct. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 6.0 μg/m3 (6) 2.5 μg/m3 (11) 37.0
 
Oct. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) -0.7 μg/m3 (0) 36.0
 
Oct. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 4.0 μg/m3 (4) 3.9 μg/m3 (17) 34.0
 
Oct. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (7) 33.0
 
Oct. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A -4.0 μg/m3 (0) 3.6 μg/m3 (16) 33.0
 
Oct. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 6.6 μg/m3 (28) 29.0
 
Oct. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 9.6 μg/m3 (40) 40.0
 
Oct. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 0.0 μg/m3 (0) 0.0 μg/m3 (0) 21.0
 
Oct. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 2.0 μg/m3 (2) 8.0 μg/m3 (34) 34.0
 
Oct. 15, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 8.0 μg/m3 (8) 10.6 μg/m3 (45) 45.0
 
Oct. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (6) 18.0
 
Oct. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 9.0 μg/m3 (9) 1.3 μg/m3 (6) 18.0
 
Oct. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 8.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
Oct. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 14.0 μg/m3 (13) -0.3 μg/m3 (0) 19.0
 
Oct. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 22.0 μg/m3 (21) 4.3 μg/m3 (18) 21.0
 
Oct. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 17.0 μg/m3 (16) 3.4 μg/m3 (15) 21.0
 
Oct. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 11.0 μg/m3 (11) 5.2 μg/m3 (22) 22.0
 
Oct. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 15.0 μg/m3 (14) 0.7 μg/m3 (3) 23.0
 
Oct. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.0 μg/m3 (12) 4.9 μg/m3 (21) 24.0
 
Oct. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 14.0 μg/m3 (13) 5.1 μg/m3 (22) 25.0
 
Oct. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 15.0 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
Oct. 15, 2021, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 12.0 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
Oct. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 5.0 μg/m3 (5) 11.3 μg/m3 (48) 48.0
 
Oct. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.0 μg/m3 (11) 4.3 μg/m3 (18) 30.0
 
Oct. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.0 μg/m3 (16) 3.5 μg/m3 (15) 29.0
 
Oct. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 0.0 μg/m3 (0) 28.0
 
Oct. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 26.0
 
Oct. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 4.0 μg/m3 (4) 5.0 μg/m3 (21) 26.0
 
Oct. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 2.0 μg/m3 (2) 8.3 μg/m3 (35) 35.0
 
Oct. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 11.0 μg/m3 (11) 1.7 μg/m3 (8) 21.0
 
Oct. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 7.0 μg/m3 (7) -2.8 μg/m3 (0) 22.0
 
Oct. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 7.0 μg/m3 (7) 1.8 μg/m3 (8) 20.0
 
Oct. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.0 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
Oct. 14, 2021, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 11.0 μg/m3 (11) 1.8 μg/m3 (8) 16.0
 
Oct. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 11.0 μg/m3 (11) 1.5 μg/m3 (7) 17.0
 
Oct. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 16.0
 
Oct. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 8.0 μg/m3 (8) -1.6 μg/m3 (0) 15.0
 
Oct. 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 10.0 μg/m3 (10) N/A 15.0
 
Oct. 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 0.0 μg/m3 (0) N/A 15.0
 
Oct. 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 11.0 μg/m3 (11) 1.9 μg/m3 (8) 18.0
 
Oct. 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 14.0 μg/m3 (13) 0.9 μg/m3 (4) 19.0
 
Oct. 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 15.0 μg/m3 (14) 6.1 μg/m3 (26) 26.0
 
Oct. 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (8) 21.0
 
Oct. 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 6.0 μg/m3 (6) -1.6 μg/m3 (0) 23.0
 
Oct. 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 4.0 μg/m3 (4) 3.9 μg/m3 (17) 24.0
 
Oct. 14, 2021, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
Oct. 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 20.0 μg/m3 (19) 4.9 μg/m3 (21) 26.0
 
Oct. 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 8.0 μg/m3 (8) 1.7 μg/m3 (8) 27.0
 
Oct. 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A N/A 26.0
 
Oct. 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A N/A 25.0
 
Oct. 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A -1.0 μg/m3 (0) -2.4 μg/m3 (0) 26.0
 
Oct. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 0.0 μg/m3 (0) 2.6 μg/m3 (11) 26.0
 
Oct. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 2.5 μg/m3 (11) 25.0
 
Oct. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 3.4 μg/m3 (15) 25.0
 
Oct. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A -4.0 μg/m3 (0) 1.7 μg/m3 (8) 25.0
 
Oct. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A -2.0 μg/m3 (0) 1.5 μg/m3 (7) 23.0
 
Oct. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 18.0
 
Oct. 13, 2021, noon N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 4.0 μg/m3 (4) -0.4 μg/m3 (0) 17.0
 
Oct. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 0.0 μg/m3 (0) 0.5 μg/m3 (3) 20.0
 
Oct. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 2.0 μg/m3 (2) 0.9 μg/m3 (4) 18.0
 
Oct. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 2.0 μg/m3 (2) 2.0 μg/m3 (9) 21.0
 
Oct. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 2.0 μg/m3 (2) 8.9 μg/m3 (38) 38.0
 
Oct. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 0.0 μg/m3 (0) 2.9 μg/m3 (13) 22.0
 
Oct. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 20.0
 
Oct. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 6.0 μg/m3 (6) 0.5 μg/m3 (3) 22.0
 
Oct. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 8.0 μg/m3 (8) -2.1 μg/m3 (0) 24.0
 
Oct. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 25.0
 
Oct. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 26.0
 
Oct. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 9.0 μg/m3 (9) 3.2 μg/m3 (14) 27.0
 
Oct. 13, 2021, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 8.0 μg/m3 (8) 2.9 μg/m3 (13) 28.0
 
Oct. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 14.0 μg/m3 (13) -4.7 μg/m3 (0) 27.0