AQSQID: 300630024

Site Name: Missoula Boyd Park

Location: Missoula, MT

Reporting: True, Located: True

Current AQI: 17.0

Missoula MT, US: 46.842297, -114.020549

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 17, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 12.0 μg/m3 (11) 2.0 μg/m3 (8) 17.0
 
July 17, 2019, midnight N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 13.0 μg/m3 (12) 1.8 μg/m3 (8) 15.0
 
July 16, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 20.0 μg/m3 (18) 2.0 μg/m3 (8) 18.0
 
July 16, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 18.0 μg/m3 (16) 2.8 μg/m3 (12) 16.0
 
July 16, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 10.0 μg/m3 (9) 3.3 μg/m3 (14) 15.0
 
July 16, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 7.0 μg/m3 (6) 6.9 μg/m3 (29) 29.0
 
July 16, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 11.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
July 16, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
July 16, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 4.7 μg/m3 (20) 20.0
 
July 16, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 19.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
July 16, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 13.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
July 16, 2019, 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) 8.1 μg/m3 (34) 34.0
 
July 16, 2019, noon N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 9.0 μg/m3 (8) 5.9 μg/m3 (25) 25.0
 
July 16, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
July 16, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
July 16, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
July 16, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 4.5 μg/m3 (19) 25.0
 
July 16, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 2.0 μg/m3 (8) 15.0
 
July 16, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 13.0 μg/m3 (12) 3.5 μg/m3 (15) 15.0
 
July 16, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 11.0 μg/m3 (10) 4.2 μg/m3 (18) 18.0
 
July 16, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 4.5 μg/m3 (19) 19.0
 
July 16, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 17.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
July 16, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 11.0 μg/m3 (10) 2.8 μg/m3 (12) 15.0
 
July 16, 2019, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 2.5 μg/m3 (10) 16.0
 
July 15, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 25.0 μg/m3 (23) 3.5 μg/m3 (15) 23.0
 
July 15, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 8.0 μg/m3 (7) 2.3 μg/m3 (10) 20.0
 
July 15, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 13.0 μg/m3 (12) 1.8 μg/m3 (8) 20.0
 
July 15, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 7.0 μg/m3 (6) 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 6.0 μg/m3 (5) 5.7 μg/m3 (24) 24.0
 
July 15, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 8.3 μg/m3 (35) 35.0
 
July 15, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 19.0 μg/m3 (17) 7.1 μg/m3 (30) 30.0
 
July 15, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 23.0 μg/m3 (21) 5.9 μg/m3 (25) 25.0
 
July 15, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 27.0 μg/m3 (25) 5.7 μg/m3 (24) 25.0
 
July 15, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
July 15, 2019, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 14.0 μg/m3 (13) 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
July 15, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 8.0 μg/m3 (7) 5.4 μg/m3 (23) 23.0
 
July 15, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
July 15, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 10.0 μg/m3 (9) 6.6 μg/m3 (28) 28.0
 
July 15, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 7.6 μg/m3 (32) 32.0
 
July 15, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 15, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
July 15, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 9.0 μg/m3 (8) 4.0 μg/m3 (17) 19.0
 
July 15, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 12.0 μg/m3 (11) 4.5 μg/m3 (19) 22.0
 
July 15, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 16.0 μg/m3 (15) 3.0 μg/m3 (12) 22.0
 
July 15, 2019, midnight N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 20.0 μg/m3 (18) 3.5 μg/m3 (15) 19.0
 
July 14, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 8.0 μg/m3 (7) 5.9 μg/m3 (25) 25.0
 
July 14, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
July 14, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
July 14, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
July 14, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 9.0 μg/m3 (8) 6.2 μg/m3 (26) 26.0
 
July 14, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 3.0 μg/m3 (3) 6.9 μg/m3 (29) 29.0
 
July 14, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 20.0 μg/m3 (18) 7.3 μg/m3 (30) 30.0
 
July 14, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 9.0 μg/m3 (8) 6.6 μg/m3 (28) 28.0
 
July 14, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 14.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
July 14, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 13.0 μg/m3 (12) 4.5 μg/m3 (19) 19.0
 
July 14, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 11.0 μg/m3 (10) 5.4 μg/m3 (23) 23.0
 
July 14, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 12.0 μg/m3 (11) 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 11.0 μg/m3 (10) 9.7 μg/m3 (40) 40.0
 
July 14, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A -2.0 ppb (0) N/A 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
July 14, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A -2.0 ppb (0) N/A 21.0 μg/m3 (19) 7.4 μg/m3 (31) 31.0
 
July 14, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A -2.0 ppb (0) N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 14, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 25.0 μg/m3 (23) 8.3 μg/m3 (35) 35.0
 
July 14, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 24.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
July 14, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 24.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
July 14, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 23.0 μg/m3 (21) 5.9 μg/m3 (25) 25.0
 
July 14, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 18.0 μg/m3 (16) 6.7 μg/m3 (28) 28.0
 
July 14, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
July 14, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 25.0 μg/m3 (23) 9.3 μg/m3 (39) 39.0
 
July 14, 2019, midnight N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 38.0 μg/m3 (35) 8.3 μg/m3 (35) 35.0
 
July 13, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 21.0 μg/m3 (19) 5.5 μg/m3 (23) 23.0
 
July 13, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 17.0 μg/m3 (15) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 31.0 μg/m3 (28) 5.5 μg/m3 (23) 28.0
 
July 13, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 11.0 μg/m3 (10) 5.0 μg/m3 (21) 21.0
 
July 13, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 12.0 μg/m3 (11) 3.8 μg/m3 (16) 16.0
 
July 13, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 19.0 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
July 13, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 16.0 μg/m3 (15) 10.8 μg/m3 (45) 45.0
 
July 13, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 28.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 13, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 17.0 μg/m3 (15) 9.5 μg/m3 (40) 40.0
 
July 13, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 15.0 μg/m3 (14) 9.3 μg/m3 (39) 39.0
 
July 13, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 18.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
July 13, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 19.0 μg/m3 (17) 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 18.0 μg/m3 (16) 7.6 μg/m3 (32) 32.0
 
July 13, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 23.0 μg/m3 (21) 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
July 13, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 18.0 μg/m3 (16) 9.0 μg/m3 (38) 38.0
 
July 13, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 28.0 μg/m3 (25) 7.8 μg/m3 (32) 32.0
 
July 13, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 17.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
July 13, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 19.0 μg/m3 (17) 8.3 μg/m3 (35) 35.0
 
July 13, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 18.0 μg/m3 (16) 5.7 μg/m3 (24) 24.0
 
July 13, 2019, 3 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) 4.5 μg/m3 (19) 19.0
 
July 13, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 18.0 μg/m3 (16) 5.3 μg/m3 (22) 22.0
 
July 13, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 18.0 μg/m3 (16) 4.5 μg/m3 (19) 19.0
 
July 13, 2019, midnight N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
July 12, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 12, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
July 12, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 11.0 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
July 12, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 8.0 μg/m3 (7) 3.5 μg/m3 (15) 15.0
 
July 12, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (12) N/A 13.0 μg/m3 (12) 1.5 μg/m3 (6) 12.0
 
July 12, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (11) N/A 16.0 μg/m3 (15) 1.5 μg/m3 (6) 15.0
 
July 12, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 14.0 μg/m3 (13) 7.6 μg/m3 (32) 32.0
 
July 12, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 12.0 μg/m3 (11) 13.7 μg/m3 (54) 54.0
 
July 12, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A 28.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
July 12, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 34.0 μg/m3 (31) 9.0 μg/m3 (38) 38.0
 
July 12, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A -1.0 ppb (0) N/A 18.0 μg/m3 (16) 9.3 μg/m3 (39) 39.0
 
July 12, 2019, noon N/A N/A N/A N/A N/A N/A -3.0 ppb (0) N/A 18.0 μg/m3 (16) 8.5 μg/m3 (35) 35.0
 
July 12, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A -2.0 ppb (0) N/A 16.0 μg/m3 (15) 6.9 μg/m3 (29) 29.0
 
July 12, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 16.0 μg/m3 (15) 6.4 μg/m3 (27) 27.0
 
July 12, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 25.0 μg/m3 (23) 6.2 μg/m3 (26) 26.0
 
July 12, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 12.0 μg/m3 (11) 7.1 μg/m3 (30) 30.0
 
July 12, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 11.0 μg/m3 (10) 8.8 μg/m3 (37) 37.0
 
July 12, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 21.0 μg/m3 (19) 6.6 μg/m3 (28) 28.0
 
July 12, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 12.0 μg/m3 (11) 5.5 μg/m3 (23) 23.0
 
July 12, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 20.0 μg/m3 (18) 3.5 μg/m3 (15) 18.0
 
July 12, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 22.0 μg/m3 (20) 2.0 μg/m3 (8) 20.0
 
July 12, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 3.5 μg/m3 (15) 16.0
 
July 12, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
July 12, 2019, midnight N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 9.0 μg/m3 (8) 4.2 μg/m3 (18) 18.0
 
July 11, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 9.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
July 11, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) 4.5 μg/m3 (19) 19.0
 
July 11, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 13.0 μg/m3 (12) 3.8 μg/m3 (16) 16.0
 
July 11, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
July 11, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 6.0 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
July 11, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 4.0 μg/m3 (4) 4.7 μg/m3 (20) 20.0
 
July 11, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 19.0 μg/m3 (17) 8.1 μg/m3 (34) 34.0
 
July 11, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 18.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
July 11, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 22.0 μg/m3 (20) 11.7 μg/m3 (49) 49.0
 
July 11, 2019, 2 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) 9.5 μg/m3 (40) 40.0
 
July 11, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 29.0 μg/m3 (26) 9.3 μg/m3 (39) 39.0
 
July 11, 2019, noon N/A N/A N/A N/A N/A N/A 0.0 ppb (0) N/A 20.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
July 11, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 3.0 ppb (2) N/A 20.0 μg/m3 (18) 7.5 μg/m3 (31) 31.0
 
July 11, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 14.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
July 11, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 14.0 μg/m3 (13) 5.2 μg/m3 (22) 22.0
 
July 11, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 14.0 μg/m3 (13) 6.9 μg/m3 (29) 29.0
 
July 11, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 17.0 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
July 11, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 22.0 μg/m3 (20) 7.5 μg/m3 (31) 31.0
 
July 11, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 24.0 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
July 11, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 27.0 μg/m3 (25) 4.7 μg/m3 (20) 25.0
 
July 11, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 17.0 μg/m3 (15) 3.0 μg/m3 (12) 15.0
 
July 11, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 18.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
July 11, 2019, 1 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 9.0 μg/m3 (8) 3.7 μg/m3 (15) 16.0
 
July 11, 2019, midnight N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 10.0 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
July 10, 2019, 11 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 12.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 10, 2019, 10 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 14.0 μg/m3 (13) 5.7 μg/m3 (24) 24.0
 
July 10, 2019, 9 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 27.0 μg/m3 (25) 8.3 μg/m3 (35) 35.0
 
July 10, 2019, 8 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 25.0 μg/m3 (23) 10.5 μg/m3 (44) 44.0
 
July 10, 2019, 7 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 29.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
July 10, 2019, 6 p.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 27.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
July 10, 2019, 5 p.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 27.0 μg/m3 (25) 9.7 μg/m3 (40) 40.0
 
July 10, 2019, 4 p.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 27.0 μg/m3 (25) 11.2 μg/m3 (47) 47.0
 
July 10, 2019, 3 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 25.0 μg/m3 (23) 10.7 μg/m3 (45) 45.0
 
July 10, 2019, 2 p.m. N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 28.0 μg/m3 (25) 8.5 μg/m3 (35) 35.0
 
July 10, 2019, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (17) 8.0 μg/m3 (33) 33.0
 
July 10, 2019, noon N/A N/A N/A N/A N/A N/A 4.0 ppb (3) N/A 11.0 μg/m3 (10) 6.9 μg/m3 (29) 29.0
 
July 10, 2019, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 10.0 μg/m3 (9) 7.1 μg/m3 (30) 30.0
 
July 10, 2019, 10 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (5) N/A 11.0 μg/m3 (10) 7.6 μg/m3 (32) 32.0
 
July 10, 2019, 9 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (6) N/A 12.0 μg/m3 (11) 7.6 μg/m3 (32) 32.0
 
July 10, 2019, 8 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 18.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
July 10, 2019, 7 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 11.0 μg/m3 (10) 6.4 μg/m3 (27) 27.0
 
July 10, 2019, 6 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 17.0 μg/m3 (15) 7.8 μg/m3 (32) 32.0
 
July 10, 2019, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 18.0 μg/m3 (16) 9.5 μg/m3 (40) 40.0
 
July 10, 2019, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 13.0 μg/m3 (12) 8.0 μg/m3 (33) 33.0
 
July 10, 2019, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 15.0 μg/m3 (14) 5.2 μg/m3 (22) 22.0
 
July 10, 2019, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 13.0 μg/m3 (12) 5.9 μg/m3 (25) 25.0