ID: 2429

AQSQID: 300490004

Site Name: Ncore

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

Updated: April 18, 2021, 5:43 a.m.

Location: Wolf Creek (59648), MT

Reporting: True, Located: True

Current AQI: 41.0

Wolf Creek (59648) MT, US: 46.8505, -111.987164

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A N/A 41.0
 
April 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
April 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (4) N/A N/A 1.5 μg/m3 (7) 7.0
 
April 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 3.2 μg/m3 (14) 30.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 4.9 μg/m3 (21) 55.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 5.4 μg/m3 (23) 50.0
 
April 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 3.2 μg/m3 (14) 50.0
 
April 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 3.7 μg/m3 (16) 49.0
 
April 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 4.2 μg/m3 (18) 51.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 7.3 μg/m3 (31) 51.0
 
April 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 6.5 μg/m3 (28) 48.0
 
April 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 16.4 μg/m3 (61) 61.0
 
April 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 10.0 μg/m3 (42) 42.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 15.3 μg/m3 (58) 58.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.2 μg/m3 (31) 34.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 6.6 μg/m3 (28) 28.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 9.9 μg/m3 (42) 42.0
 
April 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 16.9 μg/m3 (62) 62.0
 
April 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.7 μg/m3 (20) 33.0
 
April 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 7.0 μg/m3 (30) 33.0
 
April 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 8.7 μg/m3 (37) 37.0
 
April 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 8.0 μg/m3 (34) 36.0
 
April 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.4 μg/m3 (19) 38.0
 
April 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
April 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
April 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 1.9 μg/m3 (8) 38.0
 
April 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.7 μg/m3 (12) 43.0
 
April 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 0.5 μg/m3 (3) 50.0
 
April 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A -0.4 μg/m3 (0) 50.0
 
April 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 2.7 μg/m3 (12) 49.0
 
April 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 4.9 μg/m3 (21) 47.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 8.0 μg/m3 (34) 46.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 8.7 μg/m3 (37) 45.0
 
April 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.5 μg/m3 (36) 44.0
 
April 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.7 μg/m3 (12) 41.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A -1.2 μg/m3 (0) 38.0
 
April 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -0.9 μg/m3 (0) 36.0
 
April 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 3.2 μg/m3 (14) 24.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.1 μg/m3 (22) 32.0
 
April 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
April 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.7 μg/m3 (16) 29.0
 
April 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 2.4 μg/m3 (10) 31.0
 
April 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
April 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 7.0 μg/m3 (30) 37.0
 
April 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.2 μg/m3 (18) 38.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.5 μg/m3 (3) 38.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.4 μg/m3 (15) 37.0
 
April 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A -0.7 μg/m3 (0) 38.0
 
April 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A N/A 36.0
 
April 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -0.4 μg/m3 (0) 28.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.4 μg/m3 (10) 38.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 0.7 μg/m3 (3) 37.0
 
April 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.4 μg/m3 (6) 35.0
 
April 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 1.7 μg/m3 (8) 35.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.7 μg/m3 (8) 34.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -1.7 μg/m3 (0) 31.0
 
April 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 0.7 μg/m3 (3) 31.0
 
April 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.4 μg/m3 (6) 34.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 0.2 μg/m3 (1) 34.0
 
April 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 1.2 μg/m3 (5) 34.0
 
April 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.9 μg/m3 (4) 25.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 2.9 μg/m3 (13) 33.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 0.9 μg/m3 (4) 32.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.2 μg/m3 (5) 33.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 0.9 μg/m3 (4) 33.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A -2.7 μg/m3 (0) 32.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -4.4 μg/m3 (0) 34.0
 
April 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A N/A 35.0
 
April 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -3.6 μg/m3 (0) 35.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 0.7 μg/m3 (3) 35.0
 
April 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A -0.4 μg/m3 (0) 35.0
 
April 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.4 μg/m3 (10) 35.0
 
April 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 0.5 μg/m3 (3) 26.0
 
April 15, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A -0.7 μg/m3 (0) 34.0
 
April 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 3.7 μg/m3 (16) 35.0
 
April 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.2 μg/m3 (18) 37.0
 
April 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.6 μg/m3 (20) 38.0
 
April 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.9 μg/m3 (17) 38.0
 
April 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.4 μg/m3 (23) 40.0
 
April 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.4 μg/m3 (27) 41.0
 
April 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.3 μg/m3 (27) 41.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 18.8 μg/m3 (66) 66.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 1.9 μg/m3 (8) 32.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.4 μg/m3 (19) 42.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.7 μg/m3 (3) 42.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -2.9 μg/m3 (0) 40.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -3.9 μg/m3 (0) 40.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -1.2 μg/m3 (0) 40.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.4 μg/m3 (2) 40.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.2 μg/m3 (1) 39.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.7 μg/m3 (12) 40.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 0.9 μg/m3 (4) 38.0
 
April 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.3 μg/m3 (27) 39.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.9 μg/m3 (21) 32.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.4 μg/m3 (15) 42.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.7 μg/m3 (12) 41.0
 
April 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.2 μg/m3 (1) 41.0
 
April 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.2 μg/m3 (5) 42.0
 
April 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A -0.2 μg/m3 (0) 43.0
 
April 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 0.7 μg/m3 (3) 38.0
 
April 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.4 μg/m3 (10) 42.0
 
April 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A -0.7 μg/m3 (0) 42.0
 
April 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.9 μg/m3 (4) 41.0
 
April 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.6 μg/m3 (24) 42.0
 
April 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.8 μg/m3 (25) 39.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 5.4 μg/m3 (23) 27.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 5.6 μg/m3 (24) 34.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.2 μg/m3 (14) 33.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A -1.7 μg/m3 (0) 29.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -0.7 μg/m3 (0) 31.0
 
April 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.4 μg/m3 (23) 36.0
 
April 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.7 μg/m3 (33) 38.0
 
April 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.9 μg/m3 (25) 36.0
 
April 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.2 μg/m3 (18) 34.0
 
April 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.4 μg/m3 (15) 37.0
 
April 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.7 μg/m3 (8) 40.0
 
April 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A -1.7 μg/m3 (0) 42.0
 
April 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 1.7 μg/m3 (8) 33.0
 
April 13, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 5.6 μg/m3 (24) 44.0
 
April 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 8.7 μg/m3 (37) 45.0
 
April 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 13.6 μg/m3 (55) 55.0
 
April 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A N/A 42.0
 
April 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 10.4 μg/m3 (44) 44.0
 
April 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 6.5 μg/m3 (28) 41.0
 
April 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.4 μg/m3 (6) 41.0
 
April 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A -1.2 μg/m3 (0) 40.0
 
April 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.9 μg/m3 (21) 38.0
 
April 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.0 μg/m3 (38) 38.0
 
April 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.7 μg/m3 (16) 34.0
 
April 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 2.7 μg/m3 (12) 21.0
 
April 12, 2021, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 5.4 μg/m3 (23) 24.0
 
April 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.2 μg/m3 (14) 25.0
 
April 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.7 μg/m3 (16) 26.0
 
April 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.2 μg/m3 (14) 26.0
 
April 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 3.9 μg/m3 (17) 29.0
 
April 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 1.9 μg/m3 (8) 31.0
 
April 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A -3.9 μg/m3 (0) 28.0
 
April 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A -2.2 μg/m3 (0) 36.0
 
April 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.8 μg/m3 (25) 39.0
 
April 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.4 μg/m3 (40) 40.0
 
April 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
April 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 3.9 μg/m3 (17) 33.0
 
April 12, 2021, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 1.7 μg/m3 (8) 42.0
 
April 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.4 μg/m3 (2) 42.0
 
April 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
April 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.9 μg/m3 (13) 42.0
 
April 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
April 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.7 μg/m3 (8) 43.0
 
April 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.7 μg/m3 (8) 43.0
 
April 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 2.2 μg/m3 (10) 43.0
 
April 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A -0.4 μg/m3 (0) 42.0
 
April 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.7 μg/m3 (12) 42.0
 
April 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.9 μg/m3 (25) 42.0
 
April 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 5.9 μg/m3 (25) 31.0
 
April 11, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.1 μg/m3 (22) 40.0
 
April 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.2 μg/m3 (14) 41.0
 
April 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 1.4 μg/m3 (6) 44.0
 
April 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A -0.4 μg/m3 (0) 45.0
 
April 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 2.9 μg/m3 (13) 45.0
 
April 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 3.4 μg/m3 (15) 45.0
 
April 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 2.2 μg/m3 (10) 44.0
 
April 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 5.1 μg/m3 (22) 47.0