ID: 2430

AQSQID: 300630024

Site Name: Missoula Boyd Park

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

Updated: June 18, 2021, 5:52 a.m.

Location: Missoula (Sgate Triangle), MT

Reporting: True, Located: True

Current AQI: 27.0

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
June 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 2.4 μg/m3 (10) 27.0
 
June 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 25.0 μg/m3 (24) 1.2 μg/m3 (5) 31.0
 
June 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 11.0 μg/m3 (11) -1.0 μg/m3 (0) 39.0
 
June 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 8.0 μg/m3 (8) 1.1 μg/m3 (5) 40.0
 
June 18, 2021, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 17.0 μg/m3 (16) 0.0 μg/m3 (0) 41.0
 
June 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 13.0 μg/m3 (13) -0.3 μg/m3 (0) 45.0
 
June 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 15.0 μg/m3 (14) 2.4 μg/m3 (10) 45.0
 
June 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 18.0 μg/m3 (17) -0.8 μg/m3 (0) 42.0
 
June 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) -3.7 μg/m3 (0) 39.0
 
June 17, 2021, 7 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) 0.4 μg/m3 (2) 38.0
 
June 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) 1.3 μg/m3 (6) 38.0
 
June 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) 2.8 μg/m3 (12) 35.0
 
June 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 31.0 μg/m3 (29) 6.6 μg/m3 (28) 29.0
 
June 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 19.0 μg/m3 (18) 5.7 μg/m3 (24) 24.0
 
June 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 29.0 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
June 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 19.0 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
June 17, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 8.0 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
June 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 9.0 μg/m3 (9) -1.2 μg/m3 (0) 12.0
 
June 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 12.0 μg/m3 (12) -2.2 μg/m3 (0) 13.0
 
June 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 11.0 μg/m3 (11) 1.9 μg/m3 (8) 14.0
 
June 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 12.0 μg/m3 (12) 2.4 μg/m3 (10) 20.0
 
June 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 13.0 μg/m3 (13) 0.4 μg/m3 (2) 22.0
 
June 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 12.0 μg/m3 (12) -1.2 μg/m3 (0) 24.0
 
June 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 26.0 μg/m3 (25) 15.3 μg/m3 (58) 58.0
 
June 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 12.0 μg/m3 (12) 2.7 μg/m3 (12) 31.0
 
June 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 11.0 μg/m3 (11) 2.1 μg/m3 (9) 31.0
 
June 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) -1.0 μg/m3 (0) 34.0
 
June 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 12.0 μg/m3 (12) 0.6 μg/m3 (3) 37.0
 
June 17, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 14.0 μg/m3 (13) 0.9 μg/m3 (4) 38.0
 
June 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) -0.8 μg/m3 (0) 39.0
 
June 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) 0.4 μg/m3 (2) 39.0
 
June 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 17.0 μg/m3 (16) 2.4 μg/m3 (10) 40.0
 
June 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 11.0 μg/m3 (11) 3.3 μg/m3 (14) 41.0
 
June 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 11.0 μg/m3 (11) 5.5 μg/m3 (23) 41.0
 
June 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 54.0 μg/m3 (50) 5.5 μg/m3 (23) 50.0
 
June 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A N/A 38.0
 
June 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 5.7 μg/m3 (24) 36.0
 
June 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 6.7 μg/m3 (28) 35.0
 
June 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 34.0
 
June 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.0 μg/m3 (8) 0.4 μg/m3 (2) 26.0
 
June 16, 2021, noon N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 6.0 μg/m3 (6) -0.8 μg/m3 (0) 27.0
 
June 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) -0.2 μg/m3 (0) 30.0
 
June 16, 2021, 10 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) -1.2 μg/m3 (0) 32.0
 
June 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) N/A 38.0
 
June 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 6.0 μg/m3 (6) -4.0 μg/m3 (0) 38.0
 
June 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) -3.2 μg/m3 (0) 38.0
 
June 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 6.0 μg/m3 (6) N/A 38.0
 
June 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 9.0 μg/m3 (9) -1.2 μg/m3 (0) 36.0
 
June 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 8.0 μg/m3 (8) -1.5 μg/m3 (0) 35.0
 
June 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 9.0 μg/m3 (9) -3.4 μg/m3 (0) 36.0
 
June 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.0 μg/m3 (31) 0.6 μg/m3 (3) 36.0
 
June 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 56.0 μg/m3 (52) 4.6 μg/m3 (20) 52.0
 
June 16, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 21.0 μg/m3 (20) 5.3 μg/m3 (23) 34.0
 
June 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 25.0 μg/m3 (24) 2.6 μg/m3 (11) 32.0
 
June 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 33.0 μg/m3 (31) 0.1 μg/m3 (1) 32.0
 
June 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 17.0 μg/m3 (16) 3.8 μg/m3 (16) 31.0
 
June 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 20.0 μg/m3 (19) 4.8 μg/m3 (20) 31.0
 
June 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 20.0 μg/m3 (19) 1.1 μg/m3 (5) 31.0
 
June 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 11.0 μg/m3 (11) 1.1 μg/m3 (5) 30.0
 
June 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 21.0 μg/m3 (20) 0.9 μg/m3 (4) 27.0
 
June 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 17.0 μg/m3 (16) 0.9 μg/m3 (4) 25.0
 
June 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 3.1 μg/m3 (13) 25.0
 
June 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 20.0 μg/m3 (19) 3.3 μg/m3 (14) 25.0
 
June 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 38.0 μg/m3 (36) 4.3 μg/m3 (18) 36.0
 
June 15, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 22.0 μg/m3 (21) 6.5 μg/m3 (28) 28.0
 
June 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 17.0 μg/m3 (16) 6.5 μg/m3 (28) 28.0
 
June 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 19.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
June 15, 2021, 9 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) 8.6 μg/m3 (36) 36.0
 
June 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 22.0 μg/m3 (21) 4.6 μg/m3 (20) 21.0
 
June 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 31.0 μg/m3 (29) 3.4 μg/m3 (15) 29.0
 
June 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 28.0 μg/m3 (26) 6.1 μg/m3 (26) 26.0
 
June 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 18.0 μg/m3 (17) 6.5 μg/m3 (28) 28.0
 
June 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 26.0 μg/m3 (25) 5.6 μg/m3 (24) 26.0
 
June 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 29.0 μg/m3 (27) 4.1 μg/m3 (18) 27.0
 
June 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 15.0 μg/m3 (14) 1.9 μg/m3 (8) 34.0
 
June 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 21.0 μg/m3 (20) 2.4 μg/m3 (10) 36.0
 
June 15, 2021, midnight N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 18.0 μg/m3 (17) 1.1 μg/m3 (5) 37.0
 
June 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 2.6 μg/m3 (11) 34.0
 
June 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 19.0 μg/m3 (18) 3.6 μg/m3 (16) 35.0
 
June 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 31.0 μg/m3 (29) 4.1 μg/m3 (18) 38.0
 
June 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 32.0 μg/m3 (30) 5.3 μg/m3 (23) 43.0
 
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 24.0 μg/m3 (23) 4.8 μg/m3 (20) 43.0
 
June 14, 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) 4.1 μg/m3 (18) 37.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 34.0 μg/m3 (32) 3.6 μg/m3 (16) 38.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 14.0 μg/m3 (13) 2.4 μg/m3 (10) 28.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 24.0 μg/m3 (23) 2.8 μg/m3 (12) 23.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 19.0 μg/m3 (18) 6.5 μg/m3 (28) 28.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 22.0 μg/m3 (21) 4.6 μg/m3 (20) 21.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 18.0 μg/m3 (17) 2.9 μg/m3 (13) 17.0
 
June 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 20.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 9.0 μg/m3 (9) 2.9 μg/m3 (13) 18.0
 
June 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 19.0 μg/m3 (18) 0.1 μg/m3 (1) 22.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 12.0 μg/m3 (12) -2.2 μg/m3 (0) 25.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 7.0 μg/m3 (7) -3.2 μg/m3 (0) 28.0
 
June 14, 2021, 6 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) 0.9 μg/m3 (4) 29.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 9.0 μg/m3 (9) 1.4 μg/m3 (6) 33.0
 
June 14, 2021, 4 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) -0.4 μg/m3 (0) 36.0
 
June 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 15.0 μg/m3 (14) 1.2 μg/m3 (5) 39.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 13.0 μg/m3 (13) 0.1 μg/m3 (1) 39.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 11.0 μg/m3 (11) -2.2 μg/m3 (0) 38.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) -0.2 μg/m3 (0) 34.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 11.0 μg/m3 (11) 1.9 μg/m3 (8) 32.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 8.0 μg/m3 (8) 1.1 μg/m3 (5) 38.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 22.0 μg/m3 (21) 2.6 μg/m3 (11) 44.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 11.0 μg/m3 (11) 3.8 μg/m3 (16) 42.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 8.0 μg/m3 (8) 1.6 μg/m3 (7) 37.0
 
June 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 11.0 μg/m3 (11) 2.1 μg/m3 (9) 34.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 7.0 μg/m3 (7) 2.4 μg/m3 (10) 30.0
 
June 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 3.0 μg/m3 (3) 1.8 μg/m3 (8) 27.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 11.0 μg/m3 (11) 2.3 μg/m3 (10) 25.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 10.0 μg/m3 (10) 2.1 μg/m3 (9) 19.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 5.0 μg/m3 (5) 2.8 μg/m3 (12) 15.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A 10.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 14.0 μg/m3 (13) 2.6 μg/m3 (11) 13.0
 
June 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 9.0 μg/m3 (9) 1.4 μg/m3 (6) 9.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 6.0 μg/m3 (6) 4.1 μg/m3 (18) 18.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 19.0 μg/m3 (18) 3.1 μg/m3 (13) 18.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 9.0 μg/m3 (9) 0.6 μg/m3 (3) 12.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 11.0 μg/m3 (11) 2.2 μg/m3 (10) 19.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 19.0 μg/m3 (18) 8.4 μg/m3 (36) 36.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 6.0 μg/m3 (6) 3.8 μg/m3 (16) 31.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 6.0 μg/m3 (6) 1.4 μg/m3 (6) 36.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 3.4 μg/m3 (15) 37.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) -0.1 μg/m3 (0) 36.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 1.0 μg/m3 (1) -2.0 μg/m3 (0) 37.0
 
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 17.0 μg/m3 (16) 2.6 μg/m3 (11) 35.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 6.0 μg/m3 (6) 1.8 μg/m3 (8) 33.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 7.0 μg/m3 (7) -0.3 μg/m3 (0) 31.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 28.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 17.0 μg/m3 (16) 3.3 μg/m3 (14) 26.0
 
June 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 15.0 μg/m3 (14) 3.6 μg/m3 (16) 23.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 11.0 μg/m3 (11) 3.6 μg/m3 (16) 16.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 8.0 μg/m3 (8) 0.8 μg/m3 (4) 13.0
 
June 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 10.0 μg/m3 (10) 0.9 μg/m3 (4) 12.0
 
June 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 11.0 μg/m3 (11) 0.1 μg/m3 (1) 11.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.0 μg/m3 (13) 0.6 μg/m3 (3) 13.0
 
June 12, 2021, 11 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) 3.3 μg/m3 (14) 14.0
 
June 12, 2021, 10 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) 5.5 μg/m3 (23) 23.0
 
June 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 14.0 μg/m3 (13) 3.5 μg/m3 (15) 15.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 16.0 μg/m3 (15) 2.1 μg/m3 (9) 15.0
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 17.0 μg/m3 (16) 2.6 μg/m3 (11) 16.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 9.0 μg/m3 (9) 3.8 μg/m3 (16) 18.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 25.0 μg/m3 (24) 4.8 μg/m3 (20) 24.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 7.0 μg/m3 (7) 0.1 μg/m3 (1) 22.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 5.0 μg/m3 (5) 0.6 μg/m3 (3) 25.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 8.0 μg/m3 (8) 0.6 μg/m3 (3) 28.0
 
June 12, 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) -0.3 μg/m3 (0) 36.0
 
June 12, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 13.0 μg/m3 (13) -0.5 μg/m3 (0) 38.0
 
June 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 9.0 μg/m3 (9) -0.3 μg/m3 (0) 38.0
 
June 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 4.0 μg/m3 (4) 0.8 μg/m3 (4) 38.0
 
June 11, 2021, 9 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) 1.1 μg/m3 (5) 37.0
 
June 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 2.6 μg/m3 (11) 36.0
 
June 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 11.0 μg/m3 (11) 2.3 μg/m3 (10) 35.0
 
June 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 10.0 μg/m3 (10) -0.1 μg/m3 (0) 31.0
 
June 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 9.0 μg/m3 (9) 3.1 μg/m3 (13) 25.0
 
June 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
June 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 13.0 μg/m3 (13) 15.2 μg/m3 (58) 58.0
 
June 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 13.0 μg/m3 (13) -0.3 μg/m3 (0) 17.0
 
June 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 13.0
 
June 11, 2021, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 3.0 μg/m3 (3) -1.1 μg/m3 (0) 7.0
 
June 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 3.0 μg/m3 (3) -4.0 μg/m3 (0) 6.0
 
June 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 4.0 μg/m3 (4) -2.2 μg/m3 (0) 13.0
 
June 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 7.0 μg/m3 (7) -1.0 μg/m3 (0) 11.0
 
June 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 13.0 μg/m3 (13) 0.4 μg/m3 (2) 13.0
 
June 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 7.0 μg/m3 (7) -0.3 μg/m3 (0) 12.0
 
June 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 23.0
 
June 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 8.0 μg/m3 (8) 6.9 μg/m3 (29) 29.0