ID: 2435

AQSQID: 300870001

Site Name: Birney

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

Updated: Aug. 1, 2021, 4:54 a.m.

Location: Birney (Tongue Riv Rd), MT

Reporting: True, Located: True

Current AQI: 129.0

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 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (76) 44.3 μg/m3 (123) 123.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 22.8 μg/m3 (74) 74.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 20.3 μg/m3 (69) 69.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 19.2 μg/m3 (66) 66.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 18.1 μg/m3 (64) 64.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 14.5 μg/m3 (57) 57.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 15.1 μg/m3 (58) 58.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 14.7 μg/m3 (57) 57.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 13.8 μg/m3 (55) 55.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 15.9 μg/m3 (59) 59.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 9.9 μg/m3 (42) 42.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 3.6 μg/m3 (16) 25.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) 18.6 μg/m3 (65) 65.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 13.9 μg/m3 (55) 55.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 13.8 μg/m3 (55) 55.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 17.6 μg/m3 (63) 63.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.0 μg/m3 (42) 15.8 μg/m3 (59) 59.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (67) 28.3 μg/m3 (86) 86.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) 27.6 μg/m3 (84) 84.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 16.7 μg/m3 (61) 61.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) 17.3 μg/m3 (62) 62.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.0 μg/m3 (66) 28.5 μg/m3 (86) 86.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 206.0 μg/m3 (127) 56.0 μg/m3 (152) 152.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 323.0 μg/m3 (185) 80.5 μg/m3 (164) 185.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 138.0 μg/m3 (93) 40.7 μg/m3 (114) 114.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 19.9 μg/m3 (68) 68.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 24.3 μg/m3 (77) 77.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 12.4 μg/m3 (52) 52.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 15.9 μg/m3 (59) 59.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 21.3 μg/m3 (71) 71.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 12.8 μg/m3 (53) 53.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) 18.3 μg/m3 (65) 65.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) 21.1 μg/m3 (70) 70.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 12.2 μg/m3 (52) 52.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 14.3 μg/m3 (56) 56.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 11.2 μg/m3 (47) 47.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 9.9 μg/m3 (42) 42.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 12.6 μg/m3 (53) 53.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) 8.9 μg/m3 (38) 38.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 17.3 μg/m3 (62) 62.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 23.7 μg/m3 (76) 76.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) 12.7 μg/m3 (53) 53.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 12.0 μg/m3 (50) 50.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 10.8 μg/m3 (46) 46.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 14.8 μg/m3 (57) 57.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 17.2 μg/m3 (62) 62.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 20.0 μg/m3 (68) 68.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 8.3 μg/m3 (35) 35.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -1.0 μg/m3 (0) -4.0 μg/m3 (0) 0.0
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 4.3 μg/m3 (18) 18.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 44.0 μg/m3 (41) 22.3 μg/m3 (73) 73.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) 19.4 μg/m3 (67) 67.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 126.0 μg/m3 (87) 37.0 μg/m3 (105) 105.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 64.0 μg/m3 (56) 23.6 μg/m3 (76) 76.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) 8.0 μg/m3 (34) 36.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 22.3 μg/m3 (73) 73.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 110.0 μg/m3 (79) 28.8 μg/m3 (87) 87.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 40.0 μg/m3 (38) 19.0 μg/m3 (66) 66.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 25.0 μg/m3 (24) 18.7 μg/m3 (65) 65.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 21.0 μg/m3 (20) 18.4 μg/m3 (65) 65.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 12.0 ppb (12) N/A 27.0 μg/m3 (25) 21.3 μg/m3 (71) 71.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 11.0 ppb (11) N/A 31.0 μg/m3 (29) 22.3 μg/m3 (73) 73.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A 59.0 μg/m3 (53) 31.2 μg/m3 (92) 92.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 48.0 μg/m3 (45) 25.9 μg/m3 (81) 81.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 136.0 μg/m3 (92) 43.1 μg/m3 (120) 120.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 340.0 μg/m3 (194) 80.5 μg/m3 (164) 194.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 462.0 μg/m3 (348) 77.2 μg/m3 (163) 348.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 71.2 μg/m3 (160) 160.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 20.9 μg/m3 (70) 70.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 23.0 μg/m3 (22) 14.4 μg/m3 (56) 71.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 23.0 μg/m3 (22) 12.5 μg/m3 (52) 68.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 18.0 μg/m3 (17) 13.1 μg/m3 (54) 65.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 21.0 μg/m3 (20) 12.7 μg/m3 (53) 58.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 21.0 μg/m3 (20) 15.2 μg/m3 (58) 58.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 16.0 μg/m3 (15) 16.2 μg/m3 (60) 60.0
 
July 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 16.0 μg/m3 (15) 11.5 μg/m3 (48) 49.0
 
July 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 14.0 μg/m3 (13) -1.3 μg/m3 (0) 46.0
 
July 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 11.0 μg/m3 (11) 4.4 μg/m3 (19) 39.0
 
July 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A -2.0 μg/m3 (0) 3.8 μg/m3 (16) 28.0
 
July 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 5.0 μg/m3 (5) 6.1 μg/m3 (26) 26.0
 
July 21, 2021, noon N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 12.0 μg/m3 (12) 12.1 μg/m3 (51) 51.0
 
July 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 14.0 μg/m3 (13) 8.7 μg/m3 (37) 37.0
 
July 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 12.0 μg/m3 (12) 9.7 μg/m3 (41) 41.0
 
July 21, 2021, 9 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) 19.1 μg/m3 (66) 66.0
 
July 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 31.0 μg/m3 (29) 30.8 μg/m3 (91) 91.0
 
July 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 61.0 μg/m3 (54) 33.8 μg/m3 (97) 97.0
 
July 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 42.0 μg/m3 (39) 26.6 μg/m3 (82) 82.0
 
July 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 66.0 μg/m3 (57) 32.8 μg/m3 (95) 95.0
 
July 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 101.0 μg/m3 (74) 38.0 μg/m3 (108) 108.0
 
July 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 51.0 μg/m3 (48) 25.3 μg/m3 (79) 79.0
 
July 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 42.0 μg/m3 (39) 25.3 μg/m3 (79) 79.0
 
July 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 34.0 μg/m3 (32) 21.4 μg/m3 (71) 71.0
 
July 21, 2021, midnight N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 44.0 μg/m3 (41) 35.6 μg/m3 (102) 102.0
 
July 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 85.0 μg/m3 (66) 75.9 μg/m3 (162) 162.0
 
July 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 79.0 μg/m3 (63) 59.3 μg/m3 (153) 153.0
 
July 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 52.0 μg/m3 (49) 35.1 μg/m3 (100) 100.0
 
July 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 53.0 μg/m3 (50) 42.5 μg/m3 (119) 119.0
 
July 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 58.0 μg/m3 (53) 45.3 μg/m3 (126) 126.0
 
July 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 44.0 μg/m3 (41) 36.9 μg/m3 (105) 105.0
 
July 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 43.0 μg/m3 (40) 34.6 μg/m3 (99) 99.0
 
July 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 41.0 μg/m3 (38) 31.3 μg/m3 (92) 92.0
 
July 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 47.0 μg/m3 (44) 25.0 μg/m3 (79) 79.0
 
July 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 43.0 μg/m3 (40) 20.5 μg/m3 (69) 69.0
 
July 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 41.0 μg/m3 (38) 24.9 μg/m3 (78) 78.0
 
July 20, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 30.0 μg/m3 (28) 17.5 μg/m3 (63) 63.0
 
July 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 26.0 μg/m3 (25) 23.0 μg/m3 (74) 74.0
 
July 20, 2021, 10 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) 26.4 μg/m3 (82) 82.0
 
July 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 31.0 μg/m3 (29) 28.8 μg/m3 (87) 87.0
 
July 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 43.0 μg/m3 (40) 23.1 μg/m3 (75) 75.0
 
July 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 29.0 μg/m3 (27) 13.1 μg/m3 (54) 61.0
 
July 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 36.0 μg/m3 (34) 23.6 μg/m3 (76) 76.0
 
July 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 28.0 μg/m3 (26) 44.6 μg/m3 (124) 124.0
 
July 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 31.0 μg/m3 (29) 44.2 μg/m3 (123) 123.0
 
July 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A 39.0 μg/m3 (37) 31.6 μg/m3 (93) 93.0
 
July 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 63.0 μg/m3 (55) 40.2 μg/m3 (113) 113.0
 
July 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 64.0 μg/m3 (56) 34.4 μg/m3 (98) 98.0
 
July 20, 2021, midnight N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 64.0 μg/m3 (56) 31.6 μg/m3 (93) 100.0
 
July 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 93.0 μg/m3 (70) 31.6 μg/m3 (93) 100.0
 
July 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 82.0 μg/m3 (65) 33.7 μg/m3 (97) 97.0
 
July 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 90.0 μg/m3 (69) 29.5 μg/m3 (88) 94.0
 
July 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A 70.0 μg/m3 (59) 25.9 μg/m3 (81) 91.0
 
July 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A 79.0 μg/m3 (63) 25.0 μg/m3 (79) 97.0
 
July 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A 92.0 μg/m3 (70) 30.2 μg/m3 (90) 100.0
 
July 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 26.0 μg/m3 (25) 14.6 μg/m3 (57) 74.0
 
July 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 12.0 μg/m3 (12) 6.1 μg/m3 (26) 47.0
 
July 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 38.0
 
July 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 28.0 μg/m3 (26) 11.1 μg/m3 (47) 47.0
 
July 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 24.0 μg/m3 (23) 11.5 μg/m3 (48) 48.0
 
July 19, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 30.0 μg/m3 (28) 14.2 μg/m3 (56) 56.0
 
July 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 23.0 μg/m3 (22) 17.4 μg/m3 (63) 63.0
 
July 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 22.0 μg/m3 (21) 17.6 μg/m3 (63) 63.0
 
July 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 24.0 μg/m3 (23) 16.4 μg/m3 (61) 61.0
 
July 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 35.0 μg/m3 (33) 8.0 μg/m3 (34) 34.0
 
July 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 34.0 μg/m3 (32) 20.9 μg/m3 (70) 70.0
 
July 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 67.0 μg/m3 (57) 33.6 μg/m3 (97) 97.0
 
July 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 196.0 μg/m3 (122) 61.0 μg/m3 (154) 154.0
 
July 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 53.0 μg/m3 (50) 32.3 μg/m3 (94) 94.0
 
July 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 49.0 μg/m3 (46) 35.4 μg/m3 (100) 100.0
 
July 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 93.0 μg/m3 (70) 44.6 μg/m3 (124) 124.0
 
July 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 118.0 μg/m3 (83) 56.6 μg/m3 (152) 152.0
 
July 19, 2021, midnight N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A 88.0 μg/m3 (68) 42.2 μg/m3 (118) 118.0
 
July 18, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 72.0 ppb (102) N/A 63.0 μg/m3 (55) 28.0 μg/m3 (85) 102.0
 
July 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 30.0 μg/m3 (28) 15.3 μg/m3 (58) 81.0
 
July 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 25.0 μg/m3 (24) 14.8 μg/m3 (57) 78.0
 
July 18, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 48.0 μg/m3 (45) 22.8 μg/m3 (74) 81.0
 
July 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 43.0 μg/m3 (40) 19.6 μg/m3 (67) 87.0
 
July 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 30.0 μg/m3 (28) 19.2 μg/m3 (66) 78.0
 
July 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 37.0 μg/m3 (35) 9.6 μg/m3 (40) 50.0
 
July 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 29.0 μg/m3 (27) 6.4 μg/m3 (27) 44.0
 
July 18, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 26.0 μg/m3 (25) 12.9 μg/m3 (53) 53.0
 
July 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 22.0 μg/m3 (21) 18.6 μg/m3 (65) 65.0
 
July 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 37.0 μg/m3 (35) 21.9 μg/m3 (72) 72.0
 
July 18, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 48.0 μg/m3 (45) 28.7 μg/m3 (86) 86.0
 
July 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 39.0 μg/m3 (37) 26.5 μg/m3 (82) 82.0
 
July 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 44.0 μg/m3 (41) 25.8 μg/m3 (80) 80.0
 
July 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 46.0 μg/m3 (43) 32.1 μg/m3 (94) 94.0
 
July 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 50.0 μg/m3 (47) 28.7 μg/m3 (86) 86.0
 
July 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 70.0 μg/m3 (59) 34.9 μg/m3 (99) 99.0
 
July 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 89.0 μg/m3 (68) 38.3 μg/m3 (108) 108.0
 
July 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 139.0 μg/m3 (93) 51.2 μg/m3 (140) 140.0
 
July 18, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 104.0 μg/m3 (76) 44.4 μg/m3 (123) 123.0
 
July 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 44.0 μg/m3 (41) 30.3 μg/m3 (90) 90.0
 
July 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 32.0 μg/m3 (30) 21.6 μg/m3 (71) 87.0
 
July 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A 26.0 μg/m3 (25) 17.6 μg/m3 (63) 94.0