ID: 2433

AQSQID: 300710010

Site Name: Malta

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

Updated: Sept. 19, 2020, 9:38 a.m.

Location: Malta (Short Oil Rd), MT

Reporting: True, Located: True

Current AQI: 61.0

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
Sept. 19, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 28.0 μg/m3 (25) 17.4 μg/m3 (61) 61.0
 
Sept. 19, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 28.0 μg/m3 (25) 16.0 μg/m3 (59) 59.0
 
Sept. 19, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 30.0 μg/m3 (27) 15.8 μg/m3 (58) 58.0
 
Sept. 19, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 36.0 μg/m3 (33) 23.2 μg/m3 (74) 74.0
 
Sept. 19, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 41.0 μg/m3 (37) 29.7 μg/m3 (88) 88.0
 
Sept. 19, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 41.0 μg/m3 (37) 25.9 μg/m3 (80) 80.0
 
Sept. 19, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 42.0 μg/m3 (38) 26.5 μg/m3 (81) 81.0
 
Sept. 19, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 37.0 μg/m3 (34) 26.7 μg/m3 (81) 81.0
 
Sept. 19, 2020, midnight N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 35.0 μg/m3 (32) 26.0 μg/m3 (80) 80.0
 
Sept. 18, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 36.0 μg/m3 (33) 25.4 μg/m3 (79) 79.0
 
Sept. 18, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 36.0 μg/m3 (33) 21.7 μg/m3 (71) 71.0
 
Sept. 18, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 36.0 μg/m3 (33) 24.0 μg/m3 (76) 76.0
 
Sept. 18, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 35.0 μg/m3 (32) 17.4 μg/m3 (61) 61.0
 
Sept. 18, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 30.0 μg/m3 (27) 18.6 μg/m3 (64) 64.0
 
Sept. 18, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 25.0 μg/m3 (23) 15.9 μg/m3 (58) 58.0
 
Sept. 18, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 12.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
Sept. 18, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 21.0 μg/m3 (19) 17.7 μg/m3 (62) 62.0
 
Sept. 18, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 19.0 μg/m3 (17) 24.4 μg/m3 (76) 76.0
 
Sept. 18, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 24.0 μg/m3 (22) 14.9 μg/m3 (56) 56.0
 
Sept. 18, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 30.0 μg/m3 (27) 17.8 μg/m3 (62) 62.0
 
Sept. 18, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 27.0 μg/m3 (25) 15.0 μg/m3 (56) 56.0
 
Sept. 18, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 30.0 μg/m3 (27) 13.5 μg/m3 (53) 53.0
 
Sept. 18, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 26.0 μg/m3 (24) 16.5 μg/m3 (60) 60.0
 
Sept. 18, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 26.0 μg/m3 (24) 18.5 μg/m3 (64) 64.0
 
Sept. 18, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 23.0 μg/m3 (21) 18.3 μg/m3 (63) 63.0
 
Sept. 18, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 21.0 μg/m3 (19) 14.7 μg/m3 (56) 56.0
 
Sept. 18, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 29.0 μg/m3 (26) 11.7 μg/m3 (49) 49.0
 
Sept. 18, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 29.0 μg/m3 (26) 21.2 μg/m3 (70) 70.0
 
Sept. 18, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 29.0 μg/m3 (26) 15.1 μg/m3 (57) 57.0
 
Sept. 18, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 30.0 μg/m3 (27) 16.1 μg/m3 (59) 59.0
 
Sept. 18, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 36.0 μg/m3 (33) 17.8 μg/m3 (62) 62.0
 
Sept. 18, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 35.0 μg/m3 (32) 17.7 μg/m3 (62) 62.0
 
Sept. 18, 2020, midnight N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 28.0 μg/m3 (25) 14.2 μg/m3 (55) 55.0
 
Sept. 17, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 33.0 μg/m3 (30) 12.5 μg/m3 (51) 51.0
 
Sept. 17, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 32.0 μg/m3 (29) 17.5 μg/m3 (62) 62.0
 
Sept. 17, 2020, 9 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) 13.8 μg/m3 (54) 54.0
 
Sept. 17, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 33.0 μg/m3 (30) 17.0 μg/m3 (61) 61.0
 
Sept. 17, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 33.0 μg/m3 (30) 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 55.0 μg/m3 (50) 14.3 μg/m3 (55) 55.0
 
Sept. 17, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 34.0 μg/m3 (31) 10.5 μg/m3 (44) 44.0
 
Sept. 17, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 23.0 μg/m3 (21) 14.7 μg/m3 (56) 56.0
 
Sept. 17, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 18.0 μg/m3 (16) 11.1 μg/m3 (46) 46.0
 
Sept. 17, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) 9.9 μg/m3 (41) 41.0
 
Sept. 17, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 20.0 μg/m3 (18) 11.6 μg/m3 (48) 48.0
 
Sept. 17, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 21.0 μg/m3 (19) 12.1 μg/m3 (50) 50.0
 
Sept. 17, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 23.0 μg/m3 (21) 11.3 μg/m3 (47) 47.0
 
Sept. 17, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 20.0 μg/m3 (18) 12.2 μg/m3 (50) 50.0
 
Sept. 17, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 20.0 μg/m3 (18) 18.0 μg/m3 (63) 63.0
 
Sept. 17, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 22.0 μg/m3 (20) 16.8 μg/m3 (60) 60.0
 
Sept. 17, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 22.0 μg/m3 (20) 19.6 μg/m3 (66) 66.0
 
Sept. 17, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 22.0 μg/m3 (20) 12.0 μg/m3 (50) 50.0
 
Sept. 17, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 21.0 μg/m3 (19) 9.5 μg/m3 (40) 40.0
 
Sept. 17, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 23.0 μg/m3 (21) 13.3 μg/m3 (53) 53.0
 
Sept. 17, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 27.0 μg/m3 (25) 10.8 μg/m3 (45) 45.0
 
Sept. 17, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 27.0 μg/m3 (25) 11.9 μg/m3 (50) 50.0
 
Sept. 17, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 36.0 μg/m3 (33) 13.6 μg/m3 (53) 53.0
 
Sept. 17, 2020, midnight N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 53.0 μg/m3 (48) 25.0 μg/m3 (78) 78.0
 
Sept. 16, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 126.0 μg/m3 (86) 35.7 μg/m3 (100) 100.0
 
Sept. 16, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 158.0 μg/m3 (102) 27.1 μg/m3 (82) 102.0
 
Sept. 16, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 40.0 μg/m3 (36) 8.8 μg/m3 (37) 37.0
 
Sept. 16, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 33.0 μg/m3 (30) 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 23.0 μg/m3 (21) 11.1 μg/m3 (46) 46.0
 
Sept. 16, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 21.0 μg/m3 (19) 6.5 μg/m3 (27) 27.0
 
Sept. 16, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 27.0 μg/m3 (25) 5.9 μg/m3 (25) 25.0
 
Sept. 16, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 43.0 μg/m3 (39) 11.9 μg/m3 (50) 50.0
 
Sept. 16, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 115.0 μg/m3 (80) 18.6 μg/m3 (64) 80.0
 
Sept. 16, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A N/A 29.5 μg/m3 (87) 87.0
 
Sept. 16, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 103.0 μg/m3 (74) 16.6 μg/m3 (60) 74.0
 
Sept. 16, 2020, noon N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 66.0 μg/m3 (56) 12.2 μg/m3 (50) 56.0
 
Sept. 16, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 41.0 μg/m3 (37) 12.3 μg/m3 (51) 51.0
 
Sept. 16, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 23.0 μg/m3 (21) 10.4 μg/m3 (43) 43.0
 
Sept. 16, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 48.0 μg/m3 (44) 11.7 μg/m3 (49) 49.0
 
Sept. 16, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 46.0 μg/m3 (42) 15.5 μg/m3 (57) 57.0
 
Sept. 16, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
Sept. 16, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 24.0 μg/m3 (22) 8.4 μg/m3 (35) 35.0
 
Sept. 16, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 30.0 μg/m3 (27) 10.0 μg/m3 (42) 42.0
 
Sept. 16, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 32.0 μg/m3 (29) 12.6 μg/m3 (51) 51.0
 
Sept. 16, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 33.0 μg/m3 (30) 12.7 μg/m3 (51) 51.0
 
Sept. 16, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 16.8 μg/m3 (60) 60.0
 
Sept. 16, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 25.7 μg/m3 (79) 79.0
 
Sept. 16, 2020, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 260.0 μg/m3 (152) 48.5 μg/m3 (132) 152.0
 
Sept. 15, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 291.0 μg/m3 (168) 30.8 μg/m3 (90) 168.0
 
Sept. 15, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A N/A 22.0
 
Sept. 15, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 20.0 μg/m3 (67) 67.0
 
Sept. 15, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 161.0 μg/m3 (103) 19.5 μg/m3 (66) 103.0
 
Sept. 15, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 170.0 μg/m3 (108) 17.7 μg/m3 (62) 108.0
 
Sept. 15, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 159.0 μg/m3 (102) 21.3 μg/m3 (70) 102.0
 
Sept. 15, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 145.0 μg/m3 (95) 15.0 μg/m3 (56) 95.0
 
Sept. 15, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 132.0 μg/m3 (88) 14.5 μg/m3 (55) 88.0
 
Sept. 15, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 145.0 μg/m3 (95) 9.3 μg/m3 (39) 95.0
 
Sept. 15, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 147.0 μg/m3 (96) 14.1 μg/m3 (54) 96.0
 
Sept. 15, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 89.0 μg/m3 (67) 7.8 μg/m3 (32) 67.0
 
Sept. 15, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 36.0 μg/m3 (33) 8.9 μg/m3 (37) 37.0
 
Sept. 15, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 24.0 μg/m3 (22) 8.3 μg/m3 (35) 35.0
 
Sept. 15, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 24.0 μg/m3 (22) 5.7 μg/m3 (24) 24.0
 
Sept. 15, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 22.0 μg/m3 (20) 9.7 μg/m3 (40) 40.0
 
Sept. 15, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 26.0 μg/m3 (24) 12.3 μg/m3 (51) 51.0
 
Sept. 15, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 31.0 μg/m3 (28) 22.2 μg/m3 (72) 72.0
 
Sept. 15, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 26.0 μg/m3 (24) 7.7 μg/m3 (32) 32.0
 
Sept. 15, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 29.0 μg/m3 (26) 8.6 μg/m3 (36) 36.0
 
Sept. 15, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 43.0 μg/m3 (39) 12.6 μg/m3 (51) 51.0
 
Sept. 15, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A N/A 20.9 μg/m3 (69) 69.0
 
Sept. 15, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 193.0 μg/m3 (119) 32.0 μg/m3 (93) 119.0
 
Sept. 15, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 183.0 μg/m3 (114) 30.9 μg/m3 (90) 114.0
 
Sept. 15, 2020, midnight N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 182.0 μg/m3 (114) 33.4 μg/m3 (96) 114.0
 
Sept. 14, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 161.0 μg/m3 (103) 35.3 μg/m3 (100) 103.0
 
Sept. 14, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 135.0 μg/m3 (90) 20.7 μg/m3 (69) 90.0
 
Sept. 14, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 140.0 μg/m3 (92) 21.1 μg/m3 (69) 92.0
 
Sept. 14, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 98.0 μg/m3 (72) 16.9 μg/m3 (60) 72.0
 
Sept. 14, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 111.0 μg/m3 (78) 15.6 μg/m3 (58) 78.0
 
Sept. 14, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 88.0 μg/m3 (66) 16.6 μg/m3 (60) 66.0
 
Sept. 14, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 9.3 μg/m3 (39) 39.0
 
Sept. 14, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
Sept. 14, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 17.0 μg/m3 (15) 8.2 μg/m3 (34) 34.0
 
Sept. 14, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 3.0 μg/m3 (12) 12.0
 
Sept. 14, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 4.9 μg/m3 (20) 20.0
 
Sept. 14, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
Sept. 14, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 9.0 μg/m3 (8) 5.4 μg/m3 (23) 23.0
 
Sept. 14, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
Sept. 14, 2020, 9 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) 7.9 μg/m3 (33) 33.0
 
Sept. 14, 2020, 8 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) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
Sept. 14, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 3.8 μg/m3 (16) 16.0
 
Sept. 14, 2020, 5 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) 6.7 μg/m3 (28) 28.0
 
Sept. 14, 2020, 4 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) 5.2 μg/m3 (22) 22.0
 
Sept. 14, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 10.0 μg/m3 (9) 12.5 μg/m3 (51) 51.0
 
Sept. 14, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 14.3 μg/m3 (55) 55.0
 
Sept. 14, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 13.0 μg/m3 (12) 24.5 μg/m3 (77) 77.0
 
Sept. 14, 2020, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 27.1 μg/m3 (82) 82.0
 
Sept. 13, 2020, 11 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) 15.2 μg/m3 (57) 57.0
 
Sept. 13, 2020, 10 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) 21.2 μg/m3 (70) 70.0
 
Sept. 13, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 6.0 μg/m3 (5) 16.8 μg/m3 (60) 60.0
 
Sept. 13, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 11.0 μg/m3 (10) 7.1 μg/m3 (30) 30.0
 
Sept. 13, 2020, 7 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) 10.1 μg/m3 (42) 42.0
 
Sept. 13, 2020, 6 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) 10.2 μg/m3 (42) 42.0
 
Sept. 13, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 7.2 μg/m3 (30) 30.0
 
Sept. 13, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 19.0 μg/m3 (17) 6.5 μg/m3 (27) 27.0
 
Sept. 13, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 21.0 μg/m3 (19) 3.3 μg/m3 (14) 19.0
 
Sept. 13, 2020, 2 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) 8.1 μg/m3 (34) 34.0
 
Sept. 13, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 13.0 μg/m3 (12) 6.3 μg/m3 (26) 26.0
 
Sept. 13, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 10.4 μg/m3 (43) 43.0
 
Sept. 13, 2020, 11 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) 8.3 μg/m3 (35) 35.0
 
Sept. 13, 2020, 10 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) 11.3 μg/m3 (47) 47.0
 
Sept. 13, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 15.0 μg/m3 (14) 11.5 μg/m3 (48) 48.0
 
Sept. 13, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 19.0 μg/m3 (17) 11.7 μg/m3 (49) 49.0
 
Sept. 13, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 28.0 μg/m3 (25) 15.2 μg/m3 (57) 57.0
 
Sept. 13, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 26.0 μg/m3 (24) 7.7 μg/m3 (32) 32.0
 
Sept. 13, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 27.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
Sept. 13, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 13.4 μg/m3 (53) 53.0
 
Sept. 13, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 17.8 μg/m3 (62) 62.0
 
Sept. 13, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 237.0 μg/m3 (141) 35.4 μg/m3 (100) 141.0
 
Sept. 13, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 36.5 μg/m3 (102) 102.0
 
Sept. 13, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 122.0 μg/m3 (84) 27.6 μg/m3 (83) 84.0
 
Sept. 12, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 96.0 μg/m3 (70) 26.0 μg/m3 (80) 80.0
 
Sept. 12, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 102.0 μg/m3 (74) 20.0 μg/m3 (67) 74.0
 
Sept. 12, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 93.0 μg/m3 (69) 20.3 μg/m3 (68) 69.0
 
Sept. 12, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 85.0 μg/m3 (65) 18.1 μg/m3 (63) 65.0
 
Sept. 12, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 31.0 μg/m3 (28) 11.6 μg/m3 (48) 48.0
 
Sept. 12, 2020, 6 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) 9.8 μg/m3 (41) 41.0
 
Sept. 12, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 17.0 μg/m3 (15) 12.0 μg/m3 (50) 50.0
 
Sept. 12, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 19.0 μg/m3 (17) 12.2 μg/m3 (50) 50.0
 
Sept. 12, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 15.0 μg/m3 (14) 13.3 μg/m3 (53) 53.0
 
Sept. 12, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 14.0 μg/m3 (13) 3.9 μg/m3 (16) 17.0
 
Sept. 12, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 3.8 μg/m3 (16) 16.0
 
Sept. 12, 2020, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 9.0 μg/m3 (8) 8.1 μg/m3 (34) 34.0
 
Sept. 12, 2020, 11 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) 7.0 μg/m3 (29) 29.0
 
Sept. 12, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 6.0 μg/m3 (5) 7.4 μg/m3 (31) 31.0
 
Sept. 12, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 13.0 μg/m3 (12) 8.7 μg/m3 (36) 36.0