AQSQID: 300630024

Site Name: Missoula Boyd Park

Location: Missoula (Sgate Triangle), MT

Reporting: True, Located: True

Current AQI: 41.0

Missoula (Sgate Triangle) MT, US: 46.842297, -114.020549

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
April 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 35.0 μg/m3 (32) 9.8 μg/m3 (41) 41.0
 
April 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 24.0 μg/m3 (22) 4.3 μg/m3 (18) 22.0
 
April 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 29.0 μg/m3 (26) 3.0 μg/m3 (12) 26.0
 
April 9, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 19.0 μg/m3 (17) 3.4 μg/m3 (14) 17.0
 
April 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 4.0 μg/m3 (4) 1.4 μg/m3 (6) 7.0
 
April 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 3.0 μg/m3 (3) -0.1 μg/m3 (0) 15.0
 
April 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 20.0 μg/m3 (18) 1.6 μg/m3 (7) 18.0
 
April 9, 2020, 8 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) 4.3 μg/m3 (18) 18.0
 
April 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
April 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 13.0 μg/m3 (12) 3.3 μg/m3 (14) 19.0
 
April 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 25.0
 
April 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 18.0 μg/m3 (16) 5.9 μg/m3 (25) 27.0
 
April 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 30.0 μg/m3 (27) 5.7 μg/m3 (24) 27.0
 
April 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 32.0
 
April 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 8.0 μg/m3 (7) 3.8 μg/m3 (16) 38.0
 
April 9, 2020, midnight N/A N/A N/A N/A N/A N/A 53.0 ppb (41) N/A 7.0 μg/m3 (6) 4.8 μg/m3 (20) 41.0
 
April 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A 17.0 μg/m3 (15) 3.1 μg/m3 (13) 42.0
 
April 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 13.0 μg/m3 (12) 4.8 μg/m3 (20) 43.0
 
April 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (43) N/A 17.0 μg/m3 (15) 6.2 μg/m3 (26) 43.0
 
April 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (42) N/A N/A N/A 42.0
 
April 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 40.0
 
April 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 38.0
 
April 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 26.0 μg/m3 (24) 15.9 μg/m3 (58) 58.0
 
April 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 24.0 μg/m3 (22) 17.5 μg/m3 (62) 62.0
 
April 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 17.0 μg/m3 (15) 7.1 μg/m3 (30) 30.0
 
April 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 20.0 μg/m3 (18) 7.6 μg/m3 (32) 32.0
 
April 8, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 22.0 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
April 8, 2020, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 17.0 μg/m3 (15) 5.7 μg/m3 (24) 24.0
 
April 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 8.0 μg/m3 (7) 2.8 μg/m3 (12) 12.0
 
April 8, 2020, 10 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) -2.1 μg/m3 (0) 11.0
 
April 8, 2020, 9 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) 0.6 μg/m3 (2) 15.0
 
April 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 8.0 μg/m3 (7) 0.6 μg/m3 (2) 16.0
 
April 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 1.8 μg/m3 (8) 20.0
 
April 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 20.0 μg/m3 (18) 7.4 μg/m3 (31) 31.0
 
April 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 14.0 μg/m3 (13) 7.2 μg/m3 (30) 30.0
 
April 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 7.0 μg/m3 (6) 4.3 μg/m3 (18) 31.0
 
April 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 3.0 μg/m3 (3) 4.3 μg/m3 (18) 35.0
 
April 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 4.0 μg/m3 (4) 3.8 μg/m3 (16) 36.0
 
April 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 7.0 μg/m3 (6) 6.0 μg/m3 (25) 35.0
 
April 8, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 36.0
 
April 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 13.0 μg/m3 (12) 3.8 μg/m3 (16) 38.0
 
April 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 13.0 μg/m3 (12) 4.0 μg/m3 (17) 36.0
 
April 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 8.0 μg/m3 (7) 5.0 μg/m3 (21) 35.0
 
April 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 5.0 μg/m3 (5) 4.8 μg/m3 (20) 35.0
 
April 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 8.0 μg/m3 (7) 5.3 μg/m3 (22) 34.0
 
April 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 7.0 μg/m3 (6) 5.3 μg/m3 (22) 32.0
 
April 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 31.0
 
April 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 5.3 μg/m3 (22) 29.0
 
April 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 4.0 μg/m3 (4) 5.5 μg/m3 (23) 29.0
 
April 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 17.0 μg/m3 (15) 6.2 μg/m3 (26) 26.0
 
April 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 9.0 μg/m3 (8) 5.5 μg/m3 (23) 24.0
 
April 7, 2020, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 25.0
 
April 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 3.1 μg/m3 (13) 27.0
 
April 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 2.6 μg/m3 (11) 23.0
 
April 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 1.0 μg/m3 (1) 1.6 μg/m3 (7) 22.0
 
April 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 4.0 μg/m3 (4) 1.8 μg/m3 (8) 24.0
 
April 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 4.8 μg/m3 (20) 22.0
 
April 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 6.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
April 7, 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) 3.5 μg/m3 (15) 17.0
 
April 7, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 17.0
 
April 7, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 22.0
 
April 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 27.0
 
April 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 2.0 μg/m3 (2) 3.3 μg/m3 (14) 27.0
 
April 7, 2020, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 28.0
 
April 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 7.0 μg/m3 (6) 1.6 μg/m3 (7) 29.0
 
April 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 1.1 μg/m3 (5) 29.0
 
April 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) -0.3 μg/m3 (0) 29.0
 
April 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 0.0 μg/m3 (0) 0.1 μg/m3 (0) 28.0
 
April 6, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 0.0 μg/m3 (0) 1.1 μg/m3 (5) 27.0
 
April 6, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 4.0 μg/m3 (4) 2.5 μg/m3 (10) 25.0
 
April 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 4.5 μg/m3 (19) 19.0
 
April 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 20.0 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
April 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 7.0 μg/m3 (6) 5.0 μg/m3 (21) 21.0
 
April 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 6.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
April 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 6.0 μg/m3 (5) 2.8 μg/m3 (12) 12.0
 
April 6, 2020, noon N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 0.0 μg/m3 (0) 3.3 μg/m3 (14) 14.0
 
April 6, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 0.0 μg/m3 (0) 2.8 μg/m3 (12) 12.0
 
April 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 15.0
 
April 6, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (3) 17.0
 
April 6, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 5.0 μg/m3 (5) 1.6 μg/m3 (7) 18.0
 
April 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 1.8 μg/m3 (8) 19.0
 
April 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 9.0 μg/m3 (8) 3.3 μg/m3 (14) 21.0
 
April 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 8.0 μg/m3 (7) 3.3 μg/m3 (14) 24.0
 
April 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 24.0
 
April 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 3.0 μg/m3 (3) 4.0 μg/m3 (17) 25.0
 
April 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 6.0 μg/m3 (5) 3.8 μg/m3 (16) 28.0
 
April 6, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 28.0
 
April 6, 2020, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 0.0 μg/m3 (0) 4.8 μg/m3 (20) 30.0
 
April 5, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 1.1 μg/m3 (5) 32.0
 
April 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 9.0 μg/m3 (8) 0.1 μg/m3 (0) 34.0
 
April 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 2.8 μg/m3 (12) 33.0
 
April 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 5.0 μg/m3 (5) 1.8 μg/m3 (8) 32.0
 
April 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 3.0 μg/m3 (3) 1.1 μg/m3 (5) 30.0
 
April 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 5.0 μg/m3 (5) 2.1 μg/m3 (9) 31.0
 
April 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 29.0
 
April 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 25.0
 
April 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 7.0 μg/m3 (6) 4.9 μg/m3 (20) 20.0
 
April 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 4.6 μg/m3 (19) 20.0
 
April 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 6.0 μg/m3 (5) 5.1 μg/m3 (21) 21.0
 
April 5, 2020, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 23.0
 
April 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 20.0
 
April 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (2) 23.0
 
April 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 6.0 μg/m3 (5) 1.3 μg/m3 (5) 25.0
 
April 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 8.0 μg/m3 (7) 4.0 μg/m3 (17) 25.0
 
April 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 6.0 μg/m3 (5) 4.3 μg/m3 (18) 25.0
 
April 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 7.0 μg/m3 (6) 7.2 μg/m3 (30) 30.0
 
April 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 8.8 μg/m3 (37) 37.0
 
April 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 9.0 μg/m3 (8) 6.7 μg/m3 (28) 28.0
 
April 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 10.0 μg/m3 (9) 5.7 μg/m3 (24) 31.0
 
April 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 8.0 μg/m3 (7) 4.8 μg/m3 (20) 31.0
 
April 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 6.0 μg/m3 (5) 4.0 μg/m3 (17) 33.0
 
April 5, 2020, midnight N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 6.0 μg/m3 (5) 3.3 μg/m3 (14) 35.0
 
April 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 8.0 μg/m3 (7) 3.6 μg/m3 (15) 35.0
 
April 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 35.0
 
April 4, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 0.0 μg/m3 (0) 1.1 μg/m3 (5) 34.0
 
April 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 4.0 μg/m3 (4) 0.0 μg/m3 (0) 34.0
 
April 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 6.0 μg/m3 (5) 0.4 μg/m3 (2) 32.0
 
April 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 7.0 μg/m3 (6) 2.1 μg/m3 (9) 32.0
 
April 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 12.0 μg/m3 (11) 4.3 μg/m3 (18) 30.0
 
April 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 12.0 μg/m3 (11) 6.2 μg/m3 (26) 26.0
 
April 4, 2020, 3 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) 4.1 μg/m3 (17) 17.0
 
April 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 3.3 μg/m3 (14) 14.0
 
April 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 10.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
April 4, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 5.0 μg/m3 (5) 2.5 μg/m3 (10) 18.0
 
April 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 4.0 μg/m3 (4) 2.7 μg/m3 (11) 23.0
 
April 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) 2.2 μg/m3 (9) 22.0
 
April 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 16.0 μg/m3 (15) 3.5 μg/m3 (15) 21.0
 
April 4, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 2.0 μg/m3 (2) 5.9 μg/m3 (25) 25.0
 
April 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 4.0 μg/m3 (4) 4.5 μg/m3 (19) 22.0
 
April 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 3.0 μg/m3 (3) 5.8 μg/m3 (24) 24.0
 
April 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 1.0 μg/m3 (1) 6.8 μg/m3 (28) 28.0
 
April 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 2.0 μg/m3 (2) 3.0 μg/m3 (12) 28.0
 
April 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 4.0 μg/m3 (4) -0.1 μg/m3 (0) 28.0
 
April 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 4.0 μg/m3 (4) 0.6 μg/m3 (2) 30.0
 
April 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 29.0
 
April 4, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 32.0
 
April 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 32.0
 
April 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 6.0 μg/m3 (5) 2.1 μg/m3 (9) 32.0
 
April 3, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 5.0 μg/m3 (5) -1.0 μg/m3 (0) 33.0
 
April 3, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 7.0 μg/m3 (6) 1.1 μg/m3 (5) 32.0
 
April 3, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 3.0 μg/m3 (3) 0.6 μg/m3 (2) 31.0
 
April 3, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A -1.0 μg/m3 (0) 0.0 μg/m3 (0) 32.0
 
April 3, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 5.0 μg/m3 (5) 1.3 μg/m3 (5) 28.0
 
April 3, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 8.0 μg/m3 (7) 5.5 μg/m3 (23) 26.0
 
April 3, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 7.0 μg/m3 (6) 10.5 μg/m3 (44) 44.0
 
April 3, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 18.0 μg/m3 (16) 7.3 μg/m3 (30) 30.0
 
April 3, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 9.0 μg/m3 (8) 4.9 μg/m3 (20) 20.0
 
April 3, 2020, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 6.0 μg/m3 (5) 2.2 μg/m3 (9) 9.0
 
April 3, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 0.0 μg/m3 (0) -0.9 μg/m3 (0) 13.0
 
April 3, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 0.0 μg/m3 (0) 0.5 μg/m3 (2) 15.0
 
April 3, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 1.0 μg/m3 (1) 2.0 μg/m3 (8) 21.0
 
April 3, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 22.0
 
April 3, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 10.0 μg/m3 (9) 2.4 μg/m3 (10) 20.0
 
April 3, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 8.0 μg/m3 (7) 1.7 μg/m3 (7) 19.0
 
April 3, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 8.0 μg/m3 (7) -0.6 μg/m3 (0) 22.0
 
April 3, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 3.0 μg/m3 (3) -2.6 μg/m3 (0) 22.0
 
April 3, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 3.0 μg/m3 (3) 2.8 μg/m3 (12) 23.0
 
April 3, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 3.0 μg/m3 (3) 4.3 μg/m3 (18) 27.0
 
April 3, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 5.0 μg/m3 (5) 5.0 μg/m3 (21) 29.0
 
April 3, 2020, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 5.0 μg/m3 (5) 4.3 μg/m3 (18) 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 4.0 μg/m3 (4) 3.5 μg/m3 (15) 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 4.0 μg/m3 (4) 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 41.0 ppb (32) N/A 4.0 μg/m3 (4) 9.3 μg/m3 (39) 39.0
 
April 2, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 18.0 μg/m3 (16) 13.7 μg/m3 (54) 54.0
 
April 2, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 13.0 μg/m3 (12) 13.2 μg/m3 (53) 53.0
 
April 2, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 9.5 μg/m3 (40) 40.0
 
April 2, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 31.0
 
April 2, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 10.0 μg/m3 (9) 7.5 μg/m3 (31) 31.0