ID: 2435

AQSQID: 300870001

Site Name: Birney

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

Updated: July 10, 2020, 10:34 p.m.

Location: Birney (Tongue Riv Rd), MT

Reporting: True, Located: True

Current AQI: 35.0

Birney (Tongue Riv Rd) MT, US: 45.366151, -106.48982

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 10, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 9.0 μg/m3 (8) 8.5 μg/m3 (35) 35.0
 
July 10, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 31.0 μg/m3 (28) 10.1 μg/m3 (42) 42.0
 
July 10, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 20.0 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
July 10, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 39.0 μg/m3 (35) 10.7 μg/m3 (45) 45.0
 
July 10, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 28.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
July 10, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 15.0 μg/m3 (14) 11.4 μg/m3 (48) 48.0
 
July 10, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 4.0 μg/m3 (4) 8.8 μg/m3 (37) 37.0
 
July 10, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 12.0 μg/m3 (11) 16.0 μg/m3 (59) 59.0
 
July 10, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (20) N/A 26.0 μg/m3 (24) 9.8 μg/m3 (41) 41.0
 
July 10, 2020, noon N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 2.9 μg/m3 (12) 18.0
 
July 10, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 10.0 μg/m3 (9) 5.2 μg/m3 (22) 22.0
 
July 10, 2020, 10 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) -1.4 μg/m3 (0) 22.0
 
July 10, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 9.0 μg/m3 (8) 6.4 μg/m3 (27) 27.0
 
July 10, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 21.0 μg/m3 (19) 4.1 μg/m3 (17) 19.0
 
July 10, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 12.0 μg/m3 (11) -1.7 μg/m3 (0) 18.0
 
July 10, 2020, 6 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) -4.3 μg/m3 (0) 22.0
 
July 10, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 12.0 μg/m3 (11) N/A 25.0
 
July 10, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 20.0 μg/m3 (18) N/A 25.0
 
July 10, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) -0.3 μg/m3 (0) 27.0
 
July 10, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 29.0 μg/m3 (26) 2.0 μg/m3 (8) 32.0
 
July 10, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 28.0 μg/m3 (25) 5.7 μg/m3 (24) 33.0
 
July 10, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 41.0 μg/m3 (37) 6.8 μg/m3 (28) 37.0
 
July 9, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 49.0 μg/m3 (45) -2.2 μg/m3 (0) 45.0
 
July 9, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 8.0 μg/m3 (7) 4.6 μg/m3 (19) 33.0
 
July 9, 2020, 9 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) 6.8 μg/m3 (28) 32.0
 
July 9, 2020, 8 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) 6.5 μg/m3 (27) 30.0
 
July 9, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (28) N/A 15.0 μg/m3 (14) 3.2 μg/m3 (13) 28.0
 
July 9, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 18.0 μg/m3 (16) 3.2 μg/m3 (13) 28.0
 
July 9, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 6.0 μg/m3 (5) 9.7 μg/m3 (40) 40.0
 
July 9, 2020, 4 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) 15.2 μg/m3 (57) 57.0
 
July 9, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 17.0 μg/m3 (15) 18.5 μg/m3 (64) 64.0
 
July 9, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 28.0 μg/m3 (25) 19.1 μg/m3 (65) 65.0
 
July 9, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 20.0 μg/m3 (18) 17.3 μg/m3 (61) 61.0
 
July 9, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 7.0 μg/m3 (6) 9.4 μg/m3 (39) 39.0
 
July 9, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 4.0 μg/m3 (4) N/A 8.0
 
July 9, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (8) N/A 8.0 μg/m3 (7) -0.3 μg/m3 (0) 8.0
 
July 9, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 10.0 μg/m3 (9) N/A 10.0
 
July 9, 2020, 8 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) 7.1 μg/m3 (30) 30.0
 
July 9, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 5.0 μg/m3 (5) 4.9 μg/m3 (20) 20.0
 
July 9, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 1.1 μg/m3 (5) 20.0
 
July 9, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 18.0 μg/m3 (16) 3.5 μg/m3 (15) 18.0
 
July 9, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 26.0 μg/m3 (24) 8.2 μg/m3 (34) 34.0
 
July 9, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 37.0 μg/m3 (34) 9.3 μg/m3 (39) 39.0
 
July 9, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 16.0 μg/m3 (15) 2.6 μg/m3 (11) 33.0
 
July 9, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 14.0 μg/m3 (13) 5.3 μg/m3 (22) 34.0
 
July 9, 2020, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 17.0 μg/m3 (15) 4.7 μg/m3 (20) 33.0
 
July 8, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 6.0 μg/m3 (5) 7.0 μg/m3 (29) 34.0
 
July 8, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 2.0 μg/m3 (2) 4.6 μg/m3 (19) 35.0
 
July 8, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 11.0 μg/m3 (10) 5.5 μg/m3 (23) 36.0
 
July 8, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 8.0 μg/m3 (7) 2.2 μg/m3 (9) 37.0
 
July 8, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 14.0 μg/m3 (13) 8.4 μg/m3 (35) 35.0
 
July 8, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (8) 8.3 μg/m3 (35) 35.0
 
July 8, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 2.7 μg/m3 (11) 11.0
 
July 8, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 10.0 μg/m3 (9) 12.9 μg/m3 (52) 52.0
 
July 8, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 0.0 μg/m3 (0) 22.3 μg/m3 (72) 72.0
 
July 8, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (22) N/A 9.0 μg/m3 (8) 15.2 μg/m3 (57) 57.0
 
July 8, 2020, 1 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) 11.8 μg/m3 (49) 49.0
 
July 8, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 0.0 μg/m3 (0) 7.1 μg/m3 (30) 30.0
 
July 8, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 10.0 μg/m3 (9) 0.0 μg/m3 (0) 12.0
 
July 8, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 10.0 μg/m3 (9) 4.1 μg/m3 (17) 19.0
 
July 8, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 1.0 μg/m3 (1) 3.1 μg/m3 (13) 18.0
 
July 8, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 13.0 μg/m3 (12) 2.4 μg/m3 (10) 12.0
 
July 8, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 18.0 μg/m3 (16) 0.8 μg/m3 (3) 17.0
 
July 8, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 18.0 μg/m3 (16) -2.6 μg/m3 (0) 21.0
 
July 8, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 8.0 μg/m3 (7) 1.1 μg/m3 (5) 30.0
 
July 8, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 7.0 μg/m3 (6) 0.0 μg/m3 (0) 33.0
 
July 8, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 25.0 μg/m3 (23) -0.4 μg/m3 (0) 35.0
 
July 8, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 17.0 μg/m3 (15) -3.2 μg/m3 (0) 38.0
 
July 8, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (30) N/A 26.0 μg/m3 (24) -4.4 μg/m3 (0) 30.0
 
July 8, 2020, midnight N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 13.0 μg/m3 (12) 1.9 μg/m3 (8) 24.0
 
July 7, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 1.0 μg/m3 (1) 1.2 μg/m3 (5) 33.0
 
July 7, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 22.0 μg/m3 (20) N/A 38.0
 
July 7, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (40) N/A 37.0 μg/m3 (34) N/A 40.0
 
July 7, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (38) N/A 19.0 μg/m3 (17) 15.8 μg/m3 (58) 58.0
 
July 7, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 34.0 μg/m3 (31) 12.0 μg/m3 (50) 50.0
 
July 7, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 19.0 μg/m3 (17) 12.9 μg/m3 (52) 52.0
 
July 7, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 23.0 μg/m3 (21) 12.7 μg/m3 (51) 51.0
 
July 7, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A -4.0 μg/m3 (0) 18.6 μg/m3 (64) 64.0
 
July 7, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A N/A 15.4 μg/m3 (57) 57.0
 
July 7, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A 15.0 μg/m3 (14) 13.0 μg/m3 (52) 52.0
 
July 7, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 7.0 μg/m3 (6) 11.3 μg/m3 (47) 47.0
 
July 7, 2020, noon N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 2.0 μg/m3 (2) 12.0 μg/m3 (50) 50.0
 
July 7, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (4) N/A 6.0 μg/m3 (5) -1.5 μg/m3 (0) 5.0
 
July 7, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (5) N/A 8.0 μg/m3 (7) 0.3 μg/m3 (1) 7.0
 
July 7, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (8) N/A 1.0 μg/m3 (1) 4.2 μg/m3 (18) 18.0
 
July 7, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 1.0 μg/m3 (1) 0.5 μg/m3 (2) 10.0
 
July 7, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 0.9 μg/m3 (4) 12.0
 
July 7, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 1.0 μg/m3 (1) 5.8 μg/m3 (24) 24.0
 
July 7, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 16.0 μg/m3 (15) 1.9 μg/m3 (8) 18.0
 
July 7, 2020, 4 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) -3.4 μg/m3 (0) 22.0
 
July 7, 2020, 3 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) N/A 25.0
 
July 7, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 22.0 μg/m3 (20) -0.2 μg/m3 (0) 31.0
 
July 7, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 14.0 μg/m3 (13) -3.8 μg/m3 (0) 34.0
 
July 7, 2020, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 18.0 μg/m3 (16) 6.4 μg/m3 (27) 36.0
 
July 6, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 23.0 μg/m3 (21) 17.6 μg/m3 (62) 62.0
 
July 6, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 25.0 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
July 6, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (34) N/A 47.0 μg/m3 (43) 4.3 μg/m3 (18) 43.0
 
July 6, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 28.0 μg/m3 (25) -0.6 μg/m3 (0) 35.0
 
July 6, 2020, 7 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) 4.8 μg/m3 (20) 31.0
 
July 6, 2020, 6 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) 14.9 μg/m3 (56) 56.0
 
July 6, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 12.0 μg/m3 (11) 10.9 μg/m3 (45) 45.0
 
July 6, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 23.0 μg/m3 (21) 9.8 μg/m3 (41) 41.0
 
July 6, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (24) N/A 25.0 μg/m3 (23) 13.2 μg/m3 (53) 53.0
 
July 6, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (18) N/A 12.0 μg/m3 (11) 14.8 μg/m3 (56) 56.0
 
July 6, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 17.0 μg/m3 (15) 14.2 μg/m3 (55) 55.0
 
July 6, 2020, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (10) N/A 3.0 μg/m3 (3) 8.1 μg/m3 (34) 34.0
 
July 6, 2020, 11 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) 9.2 μg/m3 (38) 38.0
 
July 6, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 15.0 μg/m3 (14) 4.4 μg/m3 (18) 18.0
 
July 6, 2020, 9 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) 7.8 μg/m3 (32) 32.0
 
July 6, 2020, 8 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) 9.1 μg/m3 (38) 38.0
 
July 6, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 22.0 μg/m3 (20) 6.1 μg/m3 (25) 25.0
 
July 6, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 11.0 μg/m3 (10) 13.7 μg/m3 (54) 54.0
 
July 6, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
July 6, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 27.0 μg/m3 (25) 6.2 μg/m3 (26) 26.0
 
July 6, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 55.0 μg/m3 (50) 6.4 μg/m3 (27) 50.0
 
July 6, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 16.0 μg/m3 (15) -0.6 μg/m3 (0) 32.0
 
July 6, 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) -4.2 μg/m3 (0) 33.0
 
July 6, 2020, midnight N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 20.0 μg/m3 (18) -3.5 μg/m3 (0) 35.0
 
July 5, 2020, 11 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) 9.4 μg/m3 (39) 39.0
 
July 5, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A -2.0 μg/m3 (0) 10.0 μg/m3 (42) 42.0
 
July 5, 2020, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 8.0 μg/m3 (7) 6.4 μg/m3 (27) 36.0
 
July 5, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 14.0 μg/m3 (13) 7.4 μg/m3 (31) 36.0
 
July 5, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 15.0 μg/m3 (14) 5.4 μg/m3 (23) 36.0
 
July 5, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 18.0 μg/m3 (16) 6.0 μg/m3 (25) 35.0
 
July 5, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 14.0 μg/m3 (13) 6.3 μg/m3 (26) 35.0
 
July 5, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (33) N/A 14.0 μg/m3 (13) 15.0 μg/m3 (56) 56.0
 
July 5, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 19.0 μg/m3 (17) 19.8 μg/m3 (67) 67.0
 
July 5, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 28.0 μg/m3 (25) 11.3 μg/m3 (47) 47.0
 
July 5, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (19) N/A 26.0 μg/m3 (24) 12.1 μg/m3 (50) 50.0
 
July 5, 2020, noon N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 23.0 μg/m3 (21) 4.2 μg/m3 (18) 21.0
 
July 5, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (14) N/A 28.0 μg/m3 (25) 3.3 μg/m3 (14) 25.0
 
July 5, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A 15.0 μg/m3 (14) 7.5 μg/m3 (31) 31.0
 
July 5, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (7) N/A 15.0 μg/m3 (14) 1.1 μg/m3 (5) 14.0
 
July 5, 2020, 8 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (9) N/A 8.0 μg/m3 (7) 7.0 μg/m3 (29) 29.0
 
July 5, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (12) N/A N/A 11.1 μg/m3 (46) 46.0
 
July 5, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (17) N/A 4.0 μg/m3 (4) 4.8 μg/m3 (20) 20.0
 
July 5, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (15) N/A 16.0 μg/m3 (15) 10.0 μg/m3 (42) 42.0
 
July 5, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (16) N/A 4.0 μg/m3 (4) 8.7 μg/m3 (36) 36.0
 
July 5, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (23) N/A 10.0 μg/m3 (9) 0.3 μg/m3 (1) 23.0
 
July 5, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (28) N/A 12.0 μg/m3 (11) 4.9 μg/m3 (20) 28.0
 
July 5, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 40.0 μg/m3 (36) 7.8 μg/m3 (32) 36.0
 
July 5, 2020, midnight N/A N/A N/A N/A N/A N/A 41.0 ppb (32) N/A 39.0 μg/m3 (35) 3.5 μg/m3 (15) 35.0
 
July 4, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 7.5 μg/m3 (31) 36.0
 
July 4, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 37.0 μg/m3 (34) 7.9 μg/m3 (33) 37.0
 
July 4, 2020, 9 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) 8.2 μg/m3 (34) 38.0
 
July 4, 2020, 8 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 12.0 μg/m3 (11) 1.6 μg/m3 (7) 36.0
 
July 4, 2020, 7 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 21.0 μg/m3 (19) 5.0 μg/m3 (21) 37.0
 
July 4, 2020, 6 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (36) N/A 22.0 μg/m3 (20) 14.1 μg/m3 (54) 54.0
 
July 4, 2020, 5 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 18.0 μg/m3 (16) 12.6 μg/m3 (51) 51.0
 
July 4, 2020, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (32) N/A 14.0 μg/m3 (13) 11.8 μg/m3 (49) 49.0
 
July 4, 2020, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (29) N/A 24.0 μg/m3 (22) 0.1 μg/m3 (0) 29.0
 
July 4, 2020, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (25) N/A 15.0 μg/m3 (14) 2.0 μg/m3 (8) 25.0
 
July 4, 2020, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (21) N/A 13.0 μg/m3 (12) 12.8 μg/m3 (52) 52.0
 
July 4, 2020, noon N/A N/A N/A N/A N/A N/A 17.0 ppb (13) N/A 6.0 μg/m3 (5) 6.3 μg/m3 (26) 26.0
 
July 4, 2020, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (15) N/A 10.0 μg/m3 (9) 11.6 μg/m3 (48) 48.0
 
July 4, 2020, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (18) N/A 18.0 μg/m3 (16) 11.9 μg/m3 (50) 50.0
 
July 4, 2020, 9 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (26) N/A 12.0 μg/m3 (11) 1.0 μg/m3 (4) 26.0
 
July 4, 2020, 8 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) 1.5 μg/m3 (6) 24.0
 
July 4, 2020, 7 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (22) N/A N/A -1.0 μg/m3 (0) 22.0
 
July 4, 2020, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (25) N/A 12.0 μg/m3 (11) 5.2 μg/m3 (22) 25.0
 
July 4, 2020, 5 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (27) N/A 17.0 μg/m3 (15) 2.1 μg/m3 (9) 27.0
 
July 4, 2020, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (31) N/A 30.0 μg/m3 (27) 4.3 μg/m3 (18) 31.0
 
July 4, 2020, 3 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (35) N/A 32.0 μg/m3 (29) 5.8 μg/m3 (24) 35.0
 
July 4, 2020, 2 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (35) N/A 44.0 μg/m3 (40) 5.6 μg/m3 (23) 40.0
 
July 4, 2020, 1 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (37) N/A 18.0 μg/m3 (16) 11.0 μg/m3 (46) 46.0
 
July 4, 2020, midnight N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 22.0 μg/m3 (20) 1.0 μg/m3 (4) 38.0
 
July 3, 2020, 11 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (39) N/A 45.0 μg/m3 (41) 5.6 μg/m3 (23) 41.0
 
July 3, 2020, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (38) N/A 25.0 μg/m3 (23) 7.7 μg/m3 (32) 38.0