ID: 2433

AQSQID: 300710010

Site Name: Malta

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

Updated: May 26, 2022, 8:19 a.m.

Location: Malta (Short Oil Rd), MT

Reporting: True, Located: True

Current AQI: 31.0

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
May 26, 2022, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 31.0
 
May 26, 2022, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) N/A 5.0 μg/m3 (5) 3.4 μg/m3 (15) 33.0
 
May 26, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 34.0
 
May 26, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) N/A 14.0 μg/m3 (13) 3.3 μg/m3 (14) 37.0
 
May 26, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 12.0 μg/m3 (12) 4.9 μg/m3 (21) 38.0
 
May 26, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 11.0 μg/m3 (11) -0.8 μg/m3 (0) 38.0
 
May 26, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 15.0 μg/m3 (14) 8.4 μg/m3 (36) 40.0
 
May 25, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 13.0 μg/m3 (13) 7.8 μg/m3 (33) 41.0
 
May 25, 2022, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 41.0
 
May 25, 2022, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) 1.6 μg/m3 (7) 41.0
 
May 25, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A 1.0 μg/m3 (1) 1.2 μg/m3 (5) 43.0
 
May 25, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 5.0 μg/m3 (5) 2.5 μg/m3 (11) 41.0
 
May 25, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 5.0 μg/m3 (5) 2.5 μg/m3 (11) 41.0
 
May 25, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 40.0
 
May 25, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 40.0
 
May 25, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 0.0 μg/m3 (0) 2.9 μg/m3 (13) 41.0
 
May 25, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 0.0 μg/m3 (0) 2.9 μg/m3 (13) 41.0
 
May 25, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 0.0 μg/m3 (0) -0.5 μg/m3 (0) 38.0
 
May 25, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 0.0 μg/m3 (0) -0.5 μg/m3 (0) 38.0
 
May 25, 2022, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 1.0 μg/m3 (1) 5.6 μg/m3 (24) 38.0
 
May 25, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A 1.0 μg/m3 (1) 8.9 μg/m3 (38) 38.0
 
May 25, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 31.0 ppb (29) N/A -2.0 μg/m3 (0) -1.1 μg/m3 (0) 29.0
 
May 25, 2022, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 30.0
 
May 25, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 3.0 μg/m3 (3) 1.3 μg/m3 (6) 30.0
 
May 25, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 4.8 μg/m3 (20) 32.0
 
May 25, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (16) 39.0
 
May 25, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 10.0 μg/m3 (10) 0.3 μg/m3 (2) 40.0
 
May 24, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A 4.0 μg/m3 (4) 0.5 μg/m3 (3) 44.0
 
May 24, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A 7.0 μg/m3 (7) 3.1 μg/m3 (13) 44.0
 
May 24, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 44.0
 
May 24, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 47.0 ppb (44) N/A 3.0 μg/m3 (3) 4.5 μg/m3 (19) 44.0
 
May 24, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A 3.0 μg/m3 (3) -2.7 μg/m3 (0) 43.0
 
May 24, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) -2.3 μg/m3 (0) 36.0
 
May 24, 2022, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 13.0 μg/m3 (13) 0.6 μg/m3 (3) 27.0
 
May 24, 2022, 2 p.m. 3.0 ppb (3) 1.0 ppb (1) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A 5.0 μg/m3 (5) 0.5 μg/m3 (3) 23.0
 
May 24, 2022, 1 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A 2.0 μg/m3 (2) 1.5 μg/m3 (7) 24.0
 
May 24, 2022, noon 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 32.0
 
May 24, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 36.0
 
May 24, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 37.0
 
May 24, 2022, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 8.0 μg/m3 (8) 5.4 μg/m3 (23) 38.0
 
May 24, 2022, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A 7.0 μg/m3 (7) 5.1 μg/m3 (22) 42.0
 
May 24, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 41.0
 
May 24, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 7.0 μg/m3 (7) 2.9 μg/m3 (13) 41.0
 
May 24, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 22.0 μg/m3 (21) 5.7 μg/m3 (24) 39.0
 
May 24, 2022, 4 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 42.0 ppb (39) N/A 22.0 μg/m3 (21) 5.7 μg/m3 (24) 39.0
 
May 24, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 45.0 ppb (42) N/A 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
May 24, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (31) 45.0
 
May 24, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 7.3 μg/m3 (31) 45.0
 
May 24, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 11.0 μg/m3 (11) 6.6 μg/m3 (28) 49.0
 
May 24, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 52.0 ppb (49) N/A 11.0 μg/m3 (11) 6.6 μg/m3 (28) 49.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A 7.0 μg/m3 (7) 3.5 μg/m3 (15) 50.0
 
May 24, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A 7.0 μg/m3 (7) 3.5 μg/m3 (15) 50.0
 
May 23, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A 13.0 μg/m3 (13) 4.8 μg/m3 (20) 50.0
 
May 23, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A 13.0 μg/m3 (13) 4.8 μg/m3 (20) 50.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 17.0
 
May 23, 2022, 7 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 52.0 ppb (49) N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 49.0
 
May 23, 2022, 6 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 53.0 ppb (50) N/A 2.0 μg/m3 (2) 4.7 μg/m3 (20) 50.0
 
May 23, 2022, 3 p.m. 2.0 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A -3.0 μg/m3 (0) 2.5 μg/m3 (11) 34.0
 
May 23, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A -1.0 μg/m3 (0) -2.1 μg/m3 (0) 31.0
 
May 23, 2022, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 25.0 ppb (24) N/A 6.0 μg/m3 (6) 3.2 μg/m3 (14) 24.0
 
May 23, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (25) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 25.0
 
May 23, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 26.0 ppb (25) N/A 4.0 μg/m3 (4) 3.7 μg/m3 (16) 25.0
 
May 23, 2022, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (26) N/A 10.0 μg/m3 (10) 3.8 μg/m3 (16) 26.0
 
May 23, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (30) N/A 17.0 μg/m3 (16) 6.1 μg/m3 (26) 30.0
 
May 23, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 34.0 ppb (32) N/A 13.0 μg/m3 (13) 5.4 μg/m3 (23) 32.0
 
May 23, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 5.8 μg/m3 (25) 38.0
 
May 23, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 1.0 μg/m3 (1) 5.5 μg/m3 (23) 39.0
 
May 22, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 1.0 μg/m3 (1) 3.7 μg/m3 (16) 39.0
 
May 22, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 4.0 μg/m3 (4) 1.7 μg/m3 (8) 40.0
 
May 22, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 4.0 μg/m3 (4) 2.9 μg/m3 (13) 41.0
 
May 22, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 0.0 μg/m3 (0) -0.2 μg/m3 (0) 40.0
 
May 22, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A -2.0 μg/m3 (0) -0.5 μg/m3 (0) 40.0
 
May 22, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 3.0 μg/m3 (3) 1.9 μg/m3 (8) 39.0
 
May 22, 2022, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A -3.0 μg/m3 (0) -0.8 μg/m3 (0) 38.0
 
May 22, 2022, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
May 22, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 35.0 ppb (33) N/A N/A -2.7 μg/m3 (0) 33.0
 
May 22, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
May 22, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (27) N/A N/A N/A 27.0
 
May 22, 2022, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A 0.0 μg/m3 (0) 0.8 μg/m3 (4) 22.0
 
May 22, 2022, 11 a.m. 3.0 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 1.7 μg/m3 (8) 23.0
 
May 22, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (28) N/A 9.0 μg/m3 (9) 5.0 μg/m3 (21) 28.0
 
May 22, 2022, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (26) N/A 9.0 μg/m3 (9) 6.7 μg/m3 (28) 28.0
 
May 22, 2022, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (28) N/A 7.0 μg/m3 (7) 2.7 μg/m3 (12) 28.0
 
May 22, 2022, 7 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 28.0 ppb (26) N/A 1.0 μg/m3 (1) -0.4 μg/m3 (0) 26.0
 
May 22, 2022, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 2.5 μg/m3 (11) 28.0
 
May 22, 2022, 3 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) 5.4 μg/m3 (23) 28.0
 
May 22, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A 7.0 μg/m3 (7) 6.5 μg/m3 (28) 34.0
 
May 22, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 7.0 μg/m3 (7) 5.2 μg/m3 (22) 38.0
 
May 22, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 8.6 μg/m3 (36) 39.0
 
May 21, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 7.0 μg/m3 (7) 8.5 μg/m3 (36) 39.0
 
May 21, 2022, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 39.0
 
May 21, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) 4.1 μg/m3 (18) 38.0
 
May 21, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A -1.0 μg/m3 (0) 3.2 μg/m3 (14) 38.0
 
May 21, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 0.0 μg/m3 (0) 0.1 μg/m3 (1) 38.0
 
May 21, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A -1.0 μg/m3 (0) 0.6 μg/m3 (3) 38.0
 
May 21, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A 0.0 μg/m3 (0) 1.4 μg/m3 (6) 38.0
 
May 21, 2022, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A 3.0 μg/m3 (3) 4.2 μg/m3 (18) 38.0
 
May 21, 2022, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A -2.0 μg/m3 (0) 1.0 μg/m3 (5) 38.0
 
May 21, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 37.0 ppb (35) N/A -1.0 μg/m3 (0) 1.1 μg/m3 (5) 35.0
 
May 21, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A -2.0 μg/m3 (0) -1.7 μg/m3 (0) 28.0
 
May 21, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A -2.0 μg/m3 (0) -1.7 μg/m3 (0) 28.0
 
May 21, 2022, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A N/A 20.0 ppb (19) N/A 6.0 μg/m3 (6) 3.3 μg/m3 (14) 19.0
 
May 21, 2022, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 23.0 ppb (22) N/A 10.0 μg/m3 (10) 4.2 μg/m3 (18) 22.0
 
May 21, 2022, 9 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 8.3 μg/m3 (35) 35.0
 
May 21, 2022, 8 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 7.9 μg/m3 (33) 33.0
 
May 21, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 9.0 μg/m3 (9) 3.2 μg/m3 (14) 36.0
 
May 21, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 9.0 μg/m3 (9) 7.9 μg/m3 (33) 36.0
 
May 21, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 8.0 μg/m3 (8) 4.9 μg/m3 (21) 40.0
 
May 21, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 43.0 ppb (40) N/A 6.0 μg/m3 (6) 5.5 μg/m3 (23) 40.0
 
May 21, 2022, midnight 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 5.0 μg/m3 (5) 9.3 μg/m3 (39) 40.0
 
May 20, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 4.0 μg/m3 (4) 8.8 μg/m3 (37) 39.0
 
May 20, 2022, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) 3.1 μg/m3 (13) 38.0
 
May 20, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 38.0
 
May 20, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 3.8 μg/m3 (16) 38.0
 
May 20, 2022, 6 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 37.0
 
May 20, 2022, 5 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 3.0 μg/m3 (3) 7.1 μg/m3 (30) 36.0
 
May 20, 2022, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 0.0 μg/m3 (0) 2.0 μg/m3 (9) 36.0
 
May 20, 2022, 3 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A 0.0 μg/m3 (0) -1.4 μg/m3 (0) 34.0
 
May 20, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A -3.0 μg/m3 (0) -2.7 μg/m3 (0) 31.0
 
May 20, 2022, 1 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (27) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 27.0
 
May 20, 2022, 11 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (24) N/A 2.0 μg/m3 (2) 4.8 μg/m3 (20) 24.0
 
May 20, 2022, 10 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 25.0 ppb (24) N/A 2.0 μg/m3 (2) 0.2 μg/m3 (1) 24.0
 
May 20, 2022, 9 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (28) N/A 5.0 μg/m3 (5) 7.1 μg/m3 (30) 30.0
 
May 20, 2022, 8 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 5.0 μg/m3 (5) 9.2 μg/m3 (39) 39.0
 
May 20, 2022, 7 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 5.0 μg/m3 (5) 10.8 μg/m3 (46) 46.0
 
May 20, 2022, 6 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 3.8 μg/m3 (16) 27.0
 
May 20, 2022, 5 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 3.5 μg/m3 (15) 28.0
 
May 20, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 33.0 ppb (31) N/A 20.0 μg/m3 (19) 9.4 μg/m3 (40) 40.0
 
May 20, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 32.0 ppb (30) N/A 28.0 μg/m3 (26) 20.8 μg/m3 (70) 70.0
 
May 20, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 16.0 μg/m3 (60) 60.0
 
May 20, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A N/A 0.3 μg/m3 (2) 25.0
 
May 20, 2022, 1 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A 0.0 μg/m3 (0) 0.3 μg/m3 (2) 25.0
 
May 20, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A N/A -4.8 μg/m3 (0) 26.0
 
May 20, 2022, midnight 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 28.0 ppb (26) N/A 0.0 μg/m3 (0) -4.8 μg/m3 (0) 26.0
 
May 19, 2022, 11 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 26.0 ppb (25) N/A 0.0 μg/m3 (0) 3.5 μg/m3 (15) 25.0
 
May 19, 2022, 10 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 31.0 ppb (29) N/A 7.0 μg/m3 (7) 0.6 μg/m3 (3) 29.0
 
May 19, 2022, 9 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 36.0 ppb (34) N/A 28.0 μg/m3 (26) 2.4 μg/m3 (10) 34.0
 
May 19, 2022, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 38.0 ppb (36) N/A 102.0 μg/m3 (75) 12.5 μg/m3 (52) 75.0
 
May 19, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 92.0 μg/m3 (70) 6.2 μg/m3 (26) 70.0
 
May 19, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 43.0 ppb (40) N/A 92.0 μg/m3 (70) 6.2 μg/m3 (26) 70.0
 
May 19, 2022, 4 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 25.0 μg/m3 (24) 0.7 μg/m3 (3) 38.0
 
May 19, 2022, 2 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 41.0 ppb (38) N/A 20.0 μg/m3 (19) 0.0 μg/m3 (0) 38.0
 
May 19, 2022, 6 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 32.0 ppb (30) N/A 20.0 μg/m3 (19) 5.9 μg/m3 (25) 30.0
 
May 19, 2022, 5 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 16.0 μg/m3 (15) 5.2 μg/m3 (22) 31.0
 
May 19, 2022, 4 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 36.0 ppb (34) N/A 16.0 μg/m3 (15) 3.8 μg/m3 (16) 34.0
 
May 19, 2022, 3 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 38.0 ppb (36) N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 36.0
 
May 19, 2022, 2 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 4.7 μg/m3 (20) 37.0
 
May 19, 2022, 1 a.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 42.0 ppb (39) N/A 10.0 μg/m3 (10) 3.3 μg/m3 (14) 39.0
 
May 18, 2022, 11 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 42.0
 
May 18, 2022, 10 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A 5.0 μg/m3 (5) 2.7 μg/m3 (12) 42.0
 
May 18, 2022, 9 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 45.0 ppb (42) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 42.0
 
May 18, 2022, 8 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A 0.0 μg/m3 (0) -0.7 μg/m3 (0) 43.0
 
May 18, 2022, 7 p.m. 0.0 ppb (0) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 46.0 ppb (43) N/A 0.0 μg/m3 (0) -4.1 μg/m3 (0) 43.0
 
May 18, 2022, 5 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A N/A 44.0 ppb (41) N/A 3.0 μg/m3 (3) 4.5 μg/m3 (19) 41.0
 
May 18, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 1.0 μg/m3 (1) 4.2 μg/m3 (18) 38.0
 
May 18, 2022, 4 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 41.0 ppb (38) N/A 1.0 μg/m3 (1) 4.2 μg/m3 (18) 38.0
 
May 18, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A -1.0 μg/m3 (0) 8.9 μg/m3 (38) 38.0
 
May 18, 2022, 3 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 37.0 ppb (35) N/A -1.0 μg/m3 (0) 8.9 μg/m3 (38) 38.0
 
May 18, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 1.0 μg/m3 (1) 2.3 μg/m3 (10) 31.0
 
May 18, 2022, 2 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 33.0 ppb (31) N/A 1.0 μg/m3 (1) 2.3 μg/m3 (10) 31.0
 
May 18, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 0.0 μg/m3 (0) 3.8 μg/m3 (16) 28.0
 
May 18, 2022, 1 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 30.0 ppb (28) N/A 0.0 μg/m3 (0) 3.8 μg/m3 (16) 28.0
 
May 18, 2022, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) -1.7 μg/m3 (0) 27.0
 
May 18, 2022, noon 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) -1.7 μg/m3 (0) 27.0
 
May 18, 2022, 11 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 27.0 ppb (25) N/A 13.0 μg/m3 (13) 2.9 μg/m3 (13) 25.0
 
May 18, 2022, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 29.0 ppb (27) N/A 29.0 μg/m3 (27) 5.1 μg/m3 (22) 27.0
 
May 18, 2022, 2 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A N/A 40.0 ppb (38) N/A 20.0 μg/m3 (19) 7.3 μg/m3 (31) 38.0