ID: 2430

AQSQID: 300630024

Site Name: Missoula Boyd Park

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

Updated: April 10, 2021, 11:42 a.m.

Location: Missoula (Sgate Triangle), MT

Reporting: True, Located: True

Current AQI: 20.0

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 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 12.0 μg/m3 (12) 4.8 μg/m3 (20) 20.0
 
April 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 21.0 μg/m3 (20) 3.1 μg/m3 (13) 20.0
 
April 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 19.0 μg/m3 (18) 3.6 μg/m3 (16) 18.0
 
April 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 18.0 μg/m3 (17) 3.6 μg/m3 (16) 18.0
 
April 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 7.0 μg/m3 (7) 3.6 μg/m3 (16) 21.0
 
April 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 24.0 μg/m3 (23) 6.2 μg/m3 (26) 26.0
 
April 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 30.0 μg/m3 (28) 5.0 μg/m3 (21) 28.0
 
April 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 12.0 μg/m3 (12) 5.0 μg/m3 (21) 39.0
 
April 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 10.0 μg/m3 (10) 5.3 μg/m3 (23) 43.0
 
April 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 5.0 μg/m3 (5) 2.3 μg/m3 (10) 48.0
 
April 10, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 6.0 μg/m3 (6) 3.5 μg/m3 (15) 50.0
 
April 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 8.0 μg/m3 (8) 5.0 μg/m3 (21) 50.0
 
April 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 39.0 μg/m3 (37) 3.1 μg/m3 (13) 49.0
 
April 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 10.0 μg/m3 (10) 1.3 μg/m3 (6) 48.0
 
April 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 9.0 μg/m3 (9) 1.6 μg/m3 (7) 46.0
 
April 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 12.0 μg/m3 (12) 2.3 μg/m3 (10) 44.0
 
April 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.0 μg/m3 (15) 2.1 μg/m3 (9) 43.0
 
April 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 7.0 μg/m3 (7) 3.5 μg/m3 (15) 44.0
 
April 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.0 μg/m3 (25) 5.3 μg/m3 (23) 32.0
 
April 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 37.0 μg/m3 (35) 4.8 μg/m3 (20) 35.0
 
April 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 31.0 μg/m3 (29) 4.5 μg/m3 (19) 29.0
 
April 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 23.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
April 9, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 18.0 μg/m3 (17) 6.9 μg/m3 (29) 29.0
 
April 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 9.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
April 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 12.0 μg/m3 (12) 2.6 μg/m3 (11) 12.0
 
April 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 16.0 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
April 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 7.0 μg/m3 (7) 3.3 μg/m3 (14) 23.0
 
April 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 6.0 μg/m3 (6) 1.1 μg/m3 (5) 29.0
 
April 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 11.0 μg/m3 (11) 1.6 μg/m3 (7) 36.0
 
April 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 15.0 μg/m3 (14) 3.3 μg/m3 (14) 41.0
 
April 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 17.0 μg/m3 (16) 3.6 μg/m3 (16) 41.0
 
April 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 42.0
 
April 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 3.0 μg/m3 (3) 0.8 μg/m3 (4) 42.0
 
April 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 1.0 μg/m3 (1) -1.2 μg/m3 (0) 43.0
 
April 9, 2021, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 4.0 μg/m3 (4) -3.0 μg/m3 (0) 43.0
 
April 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 6.0 μg/m3 (6) -0.8 μg/m3 (0) 41.0
 
April 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 17.0 μg/m3 (16) 0.0 μg/m3 (0) 43.0
 
April 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 20.0 μg/m3 (19) -0.5 μg/m3 (0) 44.0
 
April 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 2.0 μg/m3 (2) 1.3 μg/m3 (6) 47.0
 
April 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 7.0 μg/m3 (7) 4.5 μg/m3 (19) 44.0
 
April 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 6.0 μg/m3 (6) 4.3 μg/m3 (18) 40.0
 
April 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 1.0 μg/m3 (1) 0.8 μg/m3 (4) 38.0
 
April 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (3) 38.0
 
April 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.8 μg/m3 (12) 12.0
 
April 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 2.1 μg/m3 (9) 16.0
 
April 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 1.6 μg/m3 (7) 39.0
 
April 8, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 40.0
 
April 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 10.0 μg/m3 (10) 1.9 μg/m3 (8) 41.0
 
April 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 13.0 μg/m3 (13) 1.6 μg/m3 (7) 42.0
 
April 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 13.0 μg/m3 (13) 4.3 μg/m3 (18) 44.0
 
April 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 17.0 μg/m3 (16) 5.3 μg/m3 (23) 43.0
 
April 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 4.8 μg/m3 (20) 45.0
 
April 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 23.0 μg/m3 (22) 5.5 μg/m3 (23) 44.0
 
April 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 23.0 μg/m3 (22) 7.2 μg/m3 (31) 45.0
 
April 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 23.0 μg/m3 (22) 4.3 μg/m3 (18) 45.0
 
April 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 25.0 μg/m3 (24) 3.1 μg/m3 (13) 45.0
 
April 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 6.2 μg/m3 (26) 45.0
 
April 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 19.0 μg/m3 (18) 7.6 μg/m3 (32) 46.0
 
April 8, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 15.0 μg/m3 (14) 8.1 μg/m3 (34) 46.0
 
April 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 26.0 μg/m3 (25) 8.2 μg/m3 (35) 44.0
 
April 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 18.0 μg/m3 (17) 6.7 μg/m3 (28) 44.0
 
April 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 20.0 μg/m3 (19) 6.4 μg/m3 (27) 45.0
 
April 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 11.0 μg/m3 (11) 7.1 μg/m3 (30) 46.0
 
April 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 25.0 μg/m3 (24) 8.6 μg/m3 (36) 46.0
 
April 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 20.0 μg/m3 (19) 7.9 μg/m3 (33) 37.0
 
April 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 26.0 μg/m3 (25) 6.5 μg/m3 (28) 30.0
 
April 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 21.0 μg/m3 (20) 7.2 μg/m3 (31) 31.0
 
April 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
April 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 47.0 μg/m3 (44) 9.3 μg/m3 (39) 44.0
 
April 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 29.0 μg/m3 (27) 8.8 μg/m3 (37) 37.0
 
April 7, 2021, noon N/A N/A N/A N/A N/A N/A 3.0 ppb (3) N/A 22.0 μg/m3 (21) 6.2 μg/m3 (26) 26.0
 
April 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 20.0
 
April 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 16.0 μg/m3 (15) 6.7 μg/m3 (28) 28.0
 
April 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 11.0 μg/m3 (11) 8.9 μg/m3 (38) 38.0
 
April 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 20.0 μg/m3 (19) 6.7 μg/m3 (28) 28.0
 
April 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 17.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
April 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 23.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
April 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 7.4 μg/m3 (31) 31.0
 
April 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 29.0 μg/m3 (27) 9.1 μg/m3 (38) 38.0
 
April 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 19.0 μg/m3 (18) 7.4 μg/m3 (31) 38.0
 
April 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) 5.0 μg/m3 (21) 41.0
 
April 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 16.0 μg/m3 (15) 6.2 μg/m3 (26) 43.0
 
April 7, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 13.0 μg/m3 (13) 6.5 μg/m3 (28) 44.0
 
April 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 10.0 μg/m3 (10) 6.0 μg/m3 (25) 44.0
 
April 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 18.0 μg/m3 (17) 5.1 μg/m3 (22) 43.0
 
April 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 12.0 μg/m3 (12) 4.3 μg/m3 (18) 43.0
 
April 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 43.0
 
April 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 17.0 μg/m3 (16) 5.5 μg/m3 (23) 41.0
 
April 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 17.0 μg/m3 (16) 6.7 μg/m3 (28) 38.0
 
April 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (23) 34.0
 
April 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
April 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 34.0 μg/m3 (32) 8.3 μg/m3 (35) 35.0
 
April 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A N/A N/A 11.0
 
April 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0
 
April 6, 2021, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 17.0 μg/m3 (16) 3.3 μg/m3 (14) 16.0
 
April 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 6.0 μg/m3 (6) 4.3 μg/m3 (18) 18.0
 
April 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 7.0 μg/m3 (7) 5.8 μg/m3 (25) 25.0
 
April 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 7.0 μg/m3 (7) 7.2 μg/m3 (31) 31.0
 
April 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 10.0 μg/m3 (10) 1.6 μg/m3 (7) 17.0
 
April 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 11.0 μg/m3 (11) 1.8 μg/m3 (8) 22.0
 
April 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
April 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 21.0
 
April 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 22.0
 
April 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 17.0 μg/m3 (16) 2.6 μg/m3 (11) 29.0
 
April 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) 3.8 μg/m3 (16) 32.0
 
April 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 10.0 μg/m3 (10) 2.1 μg/m3 (9) 36.0
 
April 6, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 12.0 μg/m3 (12) 0.1 μg/m3 (1) 38.0
 
April 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 11.0 μg/m3 (11) 1.1 μg/m3 (5) 38.0
 
April 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 6.0 μg/m3 (6) 1.8 μg/m3 (8) 39.0
 
April 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 3.0 μg/m3 (3) 0.9 μg/m3 (4) 38.0
 
April 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) 1.1 μg/m3 (5) 38.0
 
April 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) 2.6 μg/m3 (11) 38.0
 
April 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 4.0 μg/m3 (4) 3.8 μg/m3 (16) 37.0
 
April 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 3.8 μg/m3 (16) 39.0
 
April 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 7.0 μg/m3 (7) 2.6 μg/m3 (11) 40.0
 
April 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 5.0 μg/m3 (5) 3.3 μg/m3 (14) 41.0
 
April 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 9.0 μg/m3 (9) 6.5 μg/m3 (28) 39.0
 
April 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 10.0 μg/m3 (10) 5.5 μg/m3 (23) 44.0
 
April 5, 2021, noon N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 7.0 μg/m3 (7) 1.4 μg/m3 (6) 45.0
 
April 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 6.0 μg/m3 (6) 0.9 μg/m3 (4) 46.0
 
April 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 6.0 μg/m3 (6) 2.1 μg/m3 (9) 43.0
 
April 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 3.0 μg/m3 (3) 4.8 μg/m3 (20) 40.0
 
April 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 7.0 μg/m3 (7) 4.1 μg/m3 (18) 38.0
 
April 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 10.0 μg/m3 (10) 2.3 μg/m3 (10) 32.0
 
April 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 10.0 μg/m3 (10) 2.1 μg/m3 (9) 39.0
 
April 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 9.0 μg/m3 (9) 1.6 μg/m3 (7) 40.0
 
April 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 5.0 μg/m3 (5) 3.1 μg/m3 (13) 38.0
 
April 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 10.0 μg/m3 (10) 5.5 μg/m3 (23) 41.0
 
April 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 11.0 μg/m3 (11) 6.0 μg/m3 (25) 43.0
 
April 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 11.0 μg/m3 (11) 5.3 μg/m3 (23) 47.0
 
April 5, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 48.0
 
April 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 12.0 μg/m3 (12) 5.5 μg/m3 (23) 50.0
 
April 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 14.0 μg/m3 (13) 4.8 μg/m3 (20) 50.0
 
April 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 34.0 μg/m3 (32) 7.9 μg/m3 (33) 55.0
 
April 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 64.0 μg/m3 (56) 8.6 μg/m3 (36) 56.0
 
April 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 15.0 μg/m3 (14) 10.1 μg/m3 (43) 47.0
 
April 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 22.0 μg/m3 (21) 11.3 μg/m3 (48) 48.0
 
April 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 22.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
April 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 27.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
April 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 34.0 μg/m3 (32) 11.0 μg/m3 (46) 46.0
 
April 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 31.0 μg/m3 (29) 10.1 μg/m3 (43) 43.0
 
April 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 19.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
April 4, 2021, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 24.0 μg/m3 (23) 10.6 μg/m3 (45) 45.0
 
April 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 12.0 μg/m3 (12) 11.8 μg/m3 (50) 50.0
 
April 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 11.0 μg/m3 (11) 7.5 μg/m3 (32) 32.0
 
April 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 24.0 μg/m3 (23) 6.2 μg/m3 (26) 26.0
 
April 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 12.0 μg/m3 (12) 8.1 μg/m3 (34) 34.0
 
April 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 17.0 μg/m3 (16) 9.1 μg/m3 (38) 38.0
 
April 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 27.0 μg/m3 (25) 8.6 μg/m3 (36) 36.0
 
April 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 23.0 μg/m3 (22) 6.5 μg/m3 (28) 35.0
 
April 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 41.0
 
April 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 10.0 μg/m3 (10) 6.2 μg/m3 (26) 45.0
 
April 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 11.0 μg/m3 (11) 5.3 μg/m3 (23) 46.0
 
April 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 22.0 μg/m3 (21) 3.9 μg/m3 (17) 47.0
 
April 4, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 4.9 μg/m3 (21) 48.0
 
April 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 19.0 μg/m3 (18) 6.9 μg/m3 (29) 49.0
 
April 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 23.0 μg/m3 (22) 7.9 μg/m3 (33) 50.0
 
April 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 28.0 μg/m3 (26) 8.4 μg/m3 (36) 51.0
 
April 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 40.0 μg/m3 (38) 8.6 μg/m3 (36) 58.0
 
April 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 23.0 μg/m3 (22) 15.7 μg/m3 (59) 59.0
 
April 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 25.0 μg/m3 (24) 12.0 μg/m3 (50) 50.0
 
April 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 32.0 μg/m3 (30) 14.4 μg/m3 (56) 56.0
 
April 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 31.0 μg/m3 (29) 12.7 μg/m3 (53) 53.0
 
April 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 10.1 μg/m3 (43) 43.0
 
April 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 24.0 μg/m3 (23) 10.3 μg/m3 (43) 43.0
 
April 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 32.0 μg/m3 (30) 13.0 μg/m3 (53) 53.0
 
April 3, 2021, noon N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A 26.0 μg/m3 (25) 14.2 μg/m3 (56) 56.0
 
April 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 28.0 μg/m3 (26) 15.7 μg/m3 (59) 59.0