AQSQID: 300490004

Site Name: Ncore

Location: Wolf Creek (59648), MT

Reporting: True, Located: True

Current AQI: 36.0

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 6, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -3.0 μg/m3 (0) 36.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -3.3 μg/m3 (0) 36.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A -1.0 μg/m3 (0) 37.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.3 μg/m3 (10) 37.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.8 μg/m3 (20) 37.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 6.9 μg/m3 (29) 35.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 6.6 μg/m3 (28) 32.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.0 μg/m3 (8) 30.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.5 μg/m3 (2) 30.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.5 μg/m3 (6) 29.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.1 μg/m3 (0) 27.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 0.5 μg/m3 (2) 27.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 3.0 μg/m3 (12) 28.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.8 μg/m3 (12) 30.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.0 μg/m3 (8) 29.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -1.3 μg/m3 (0) 29.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.8 μg/m3 (3) 29.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.3 μg/m3 (5) 29.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 1.0 μg/m3 (4) 29.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 0.1 μg/m3 (0) 30.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -3.8 μg/m3 (0) 33.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -2.6 μg/m3 (0) 35.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.0 μg/m3 (4) 36.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.3 μg/m3 (10) 37.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 2.3 μg/m3 (10) 37.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -0.1 μg/m3 (0) 36.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -1.6 μg/m3 (0) 36.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.5 μg/m3 (6) 36.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.5 μg/m3 (2) 35.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -1.6 μg/m3 (0) 35.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.3 μg/m3 (5) 35.0
 
April 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 2.0 μg/m3 (8) 32.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 0.6 μg/m3 (2) 26.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A -0.8 μg/m3 (0) 26.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -2.6 μg/m3 (0) 28.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -1.1 μg/m3 (0) 28.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.0 μg/m3 (4) 28.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 0.0 μg/m3 (0) 31.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -1.3 μg/m3 (0) 31.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -2.6 μg/m3 (0) 33.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -1.1 μg/m3 (0) 28.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.1 μg/m3 (0) 29.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 0.0 μg/m3 (0) 29.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -2.6 μg/m3 (0) 33.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A N/A 35.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -4.1 μg/m3 (0) 35.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -2.1 μg/m3 (0) 35.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 0.0 μg/m3 (0) 35.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 2.5 μg/m3 (10) 35.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A N/A 1.5 μg/m3 (6) 35.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.3 μg/m3 (5) 30.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.2 μg/m3 (9) 33.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 1.0 μg/m3 (4) 32.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.4 μg/m3 (0) 28.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 2.5 μg/m3 (10) 25.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A N/A 0.0 μg/m3 (0) 15.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A N/A 4.7 μg/m3 (20) 20.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.0 μg/m3 (12) 21.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 3.3 μg/m3 (14) 19.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 3.2 μg/m3 (13) 21.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 3.0 μg/m3 (12) 25.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 4.0 μg/m3 (17) 29.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 18.9 μg/m3 (65) 65.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.5 μg/m3 (10) 30.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 5.0 μg/m3 (21) 25.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 3.2 μg/m3 (13) 32.0
 
April 2, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
April 2, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A 5.2 μg/m3 (22) 32.0
 
April 2, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.7 μg/m3 (20) 31.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 6.4 μg/m3 (27) 30.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 8.3 μg/m3 (35) 35.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 19.8 μg/m3 (67) 67.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A -0.6 μg/m3 (0) 29.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 7.6 μg/m3 (32) 32.0
 
April 2, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 5.7 μg/m3 (24) 29.0
 
April 2, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 3.7 μg/m3 (15) 15.0
 
April 2, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A N/A 2.0 μg/m3 (8) 19.0
 
April 2, 2020, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.5 μg/m3 (15) 30.0
 
April 2, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
April 2, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.2 μg/m3 (13) 30.0
 
April 2, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 3.0 μg/m3 (12) 30.0
 
April 2, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 1.2 μg/m3 (5) 30.0
 
April 2, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.2 μg/m3 (13) 31.0
 
April 2, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 4.0 μg/m3 (17) 31.0
 
April 2, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 2.2 μg/m3 (9) 31.0
 
April 2, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.7 μg/m3 (7) 31.0
 
April 2, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.0 μg/m3 (4) 31.0
 
April 2, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 1.5 μg/m3 (6) 31.0
 
April 2, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 1.0 μg/m3 (4) 25.0
 
April 2, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 2.5 μg/m3 (10) 30.0
 
April 1, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A 4.7 μg/m3 (20) 30.0
 
April 1, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
April 1, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A 1.3 μg/m3 (5) 28.0
 
April 1, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A 4.7 μg/m3 (20) 27.0
 
April 1, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A N/A 8.1 μg/m3 (34) 34.0
 
April 1, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 7.2 μg/m3 (30) 30.0
 
April 1, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A 6.4 μg/m3 (27) 27.0
 
April 1, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 1, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 5.5 μg/m3 (23) 24.0
 
April 1, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 1, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A N/A 7.2 μg/m3 (30) 30.0
 
April 1, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A 6.7 μg/m3 (28) 28.0
 
April 1, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 7.4 μg/m3 (31) 31.0
 
April 1, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A 8.1 μg/m3 (34) 34.0
 
April 1, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (34) 34.0
 
April 1, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 7.8 μg/m3 (32) 32.0
 
April 1, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 1, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 4.7 μg/m3 (20) 20.0
 
April 1, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.2 μg/m3 (22) 22.0
 
April 1, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.5 μg/m3 (6) 20.0
 
April 1, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 3.8 μg/m3 (16) 20.0
 
April 1, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 5.0 μg/m3 (21) 21.0
 
April 1, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A N/A 2.8 μg/m3 (12) 16.0
 
April 1, 2020, midnight N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A -1.8 μg/m3 (0) 22.0
 
March 31, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A N/A 27.0
 
March 31, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A -3.1 μg/m3 (0) 28.0
 
March 31, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.8 μg/m3 (8) 37.0
 
March 31, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 1.0 μg/m3 (4) 37.0
 
March 31, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A -0.8 μg/m3 (0) 37.0
 
March 31, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 0.0 μg/m3 (0) 37.0
 
March 31, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A 1.8 μg/m3 (8) 36.0
 
March 31, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 2.5 μg/m3 (10) 33.0
 
March 31, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A N/A 2.3 μg/m3 (10) 29.0
 
March 31, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A -0.3 μg/m3 (0) 22.0
 
March 31, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A N/A -2.1 μg/m3 (0) 21.0
 
March 31, 2020, noon N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A N/A -2.3 μg/m3 (0) 25.0
 
March 31, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A -1.8 μg/m3 (0) 24.0
 
March 31, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.8 μg/m3 (0) 28.0
 
March 31, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A N/A -2.3 μg/m3 (0) 30.0
 
March 31, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -2.3 μg/m3 (0) 33.0
 
March 31, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A N/A 0.3 μg/m3 (1) 39.0
 
March 31, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A 0.3 μg/m3 (1) 35.0
 
March 31, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A -3.1 μg/m3 (0) 34.0
 
March 31, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A N/A -3.1 μg/m3 (0) 34.0
 
March 31, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A -2.1 μg/m3 (0) 32.0
 
March 31, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -1.3 μg/m3 (0) 33.0
 
March 31, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A N/A -1.6 μg/m3 (0) 27.0
 
March 31, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A N/A -2.1 μg/m3 (0) 35.0
 
March 30, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -3.5 μg/m3 (0) 36.0
 
March 30, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A N/A -1.6 μg/m3 (0) 36.0
 
March 30, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A N/A 4.3 μg/m3 (18) 37.0
 
March 30, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
March 30, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A N/A 2.3 μg/m3 (10) 38.0
 
March 30, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A 3.5 μg/m3 (15) 33.0
 
March 30, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A 4.0 μg/m3 (17) 32.0
 
March 30, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A 3.0 μg/m3 (12) 31.0
 
March 30, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.8 μg/m3 (8) 28.0
 
March 30, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A N/A 1.8 μg/m3 (8) 8.0
 
March 30, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A N/A -1.3 μg/m3 (0) 14.0
 
March 30, 2020, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A -4.1 μg/m3 (0) 22.0
 
March 30, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A N/A 1.3 μg/m3 (5) 20.0
 
March 30, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A N/A 1.8 μg/m3 (8) 22.0
 
March 30, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A N/A -0.3 μg/m3 (0) 25.0
 
March 30, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 0.8 μg/m3 (3) 28.0
 
March 30, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A N/A -0.3 μg/m3 (0) 28.0
 
March 30, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A -0.3 μg/m3 (0) 32.0
 
March 30, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A N/A -1.8 μg/m3 (0) 33.0
 
March 30, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A N/A -3.8 μg/m3 (0) 31.0
 
March 30, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A N/A -2.3 μg/m3 (0) 32.0
 
March 30, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A N/A -1.1 μg/m3 (0) 32.0
 
March 30, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A N/A 1.5 μg/m3 (6) 28.0