ID: 2878

AQSQID: 300830002

Site Name: Sidney 201

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

Updated: June 14, 2021, 8:51 p.m.

Location: Lambert (Montana Hwy 201), MT

Reporting: True, Located: True

Current AQI: 81.0

Lambert (Montana Hwy 201) MT, US: 47.8679, -104.676864

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
June 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 40.0 μg/m3 (38) 3.6 μg/m3 (16) 81.0
 
June 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 35.0 μg/m3 (33) -2.4 μg/m3 (0) 81.0
 
June 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 23.0 μg/m3 (22) 4.1 μg/m3 (18) 74.0
 
June 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 20.0 μg/m3 (19) 1.4 μg/m3 (6) 68.0
 
June 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 22.0 μg/m3 (21) 2.2 μg/m3 (10) 51.0
 
June 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 17.0 μg/m3 (16) 1.2 μg/m3 (5) 49.0
 
June 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 21.0 μg/m3 (20) 4.1 μg/m3 (18) 41.0
 
June 14, 2021, noon N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 7.0 μg/m3 (7) 2.8 μg/m3 (12) 37.0
 
June 14, 2021, 11 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) 7.0 μg/m3 (30) 36.0
 
June 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 9.0 μg/m3 (9) 4.4 μg/m3 (19) 38.0
 
June 14, 2021, 9 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) 3.1 μg/m3 (13) 36.0
 
June 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 8.0 μg/m3 (8) 5.2 μg/m3 (22) 34.0
 
June 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 12.0 μg/m3 (12) 9.1 μg/m3 (38) 38.0
 
June 14, 2021, 6 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) 3.4 μg/m3 (15) 38.0
 
June 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 8.0 μg/m3 (8) 4.2 μg/m3 (18) 38.0
 
June 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 10.0 μg/m3 (10) 1.0 μg/m3 (5) 38.0
 
June 14, 2021, 3 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) 5.3 μg/m3 (23) 38.0
 
June 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 9.0 μg/m3 (9) 5.6 μg/m3 (24) 42.0
 
June 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 8.0 μg/m3 (8) 4.4 μg/m3 (19) 51.0
 
June 14, 2021, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 11.0 μg/m3 (11) 2.8 μg/m3 (12) 71.0
 
June 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 13.0 μg/m3 (13) 3.4 μg/m3 (15) 74.0
 
June 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 2.0 μg/m3 (2) 0.6 μg/m3 (3) 74.0
 
June 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 2.0 μg/m3 (2) 0.5 μg/m3 (3) 71.0
 
June 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 3.0 μg/m3 (3) 2.9 μg/m3 (13) 68.0
 
June 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 5.0 μg/m3 (5) -0.1 μg/m3 (0) 61.0
 
June 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 55.0
 
June 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 8.0 μg/m3 (8) 1.2 μg/m3 (5) 50.0
 
June 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 19.0 μg/m3 (18) 2.5 μg/m3 (11) 46.0
 
June 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 20.0 μg/m3 (19) 0.8 μg/m3 (4) 40.0
 
June 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 20.0 μg/m3 (19) 4.3 μg/m3 (18) 36.0
 
June 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 9.0 μg/m3 (9) -3.0 μg/m3 (0) 27.0
 
June 13, 2021, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 4.0 μg/m3 (4) 0.4 μg/m3 (2) 21.0
 
June 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A 5.0 μg/m3 (5) 0.5 μg/m3 (3) 17.0
 
June 13, 2021, 10 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) 4.2 μg/m3 (18) 22.0
 
June 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 5.3 μg/m3 (23) 24.0
 
June 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 23.0
 
June 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 5.0 μg/m3 (5) 4.4 μg/m3 (19) 24.0
 
June 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 3.0 μg/m3 (3) -0.7 μg/m3 (0) 25.0
 
June 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 5.0 μg/m3 (5) 6.3 μg/m3 (27) 27.0
 
June 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 3.0 μg/m3 (3) 3.9 μg/m3 (17) 29.0
 
June 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 9.0 μg/m3 (9) 9.4 μg/m3 (40) 40.0
 
June 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 13.0 μg/m3 (13) 6.8 μg/m3 (29) 33.0
 
June 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 13.0 μg/m3 (13) 3.1 μg/m3 (13) 37.0
 
June 13, 2021, midnight N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 5.0 μg/m3 (5) 4.6 μg/m3 (20) 44.0
 
June 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 7.0 μg/m3 (7) 2.3 μg/m3 (10) 47.0
 
June 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 5.0 μg/m3 (5) 0.4 μg/m3 (2) 49.0
 
June 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 2.0 μg/m3 (2) 2.5 μg/m3 (11) 50.0
 
June 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 1.0 μg/m3 (1) 1.6 μg/m3 (7) 48.0
 
June 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 6.0 μg/m3 (6) 0.0 μg/m3 (0) 46.0
 
June 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 10.0 μg/m3 (10) 0.3 μg/m3 (2) 45.0
 
June 12, 2021, 5 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) 2.3 μg/m3 (10) 41.0
 
June 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 23.0 μg/m3 (22) 0.6 μg/m3 (3) 40.0
 
June 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 10.0 μg/m3 (10) 3.7 μg/m3 (16) 38.0
 
June 12, 2021, 2 p.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 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) -0.7 μg/m3 (0) 27.0
 
June 12, 2021, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 7.0 μg/m3 (7) 1.9 μg/m3 (8) 25.0
 
June 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 4.0 μg/m3 (4) 4.5 μg/m3 (19) 24.0
 
June 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 9.0 μg/m3 (9) 1.9 μg/m3 (8) 25.0
 
June 12, 2021, 9 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) 3.2 μg/m3 (14) 29.0
 
June 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) 1.3 μg/m3 (6) 28.0
 
June 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 10.0 μg/m3 (10) 1.8 μg/m3 (8) 27.0
 
June 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 3.3 μg/m3 (14) 28.0
 
June 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 21.0 μg/m3 (20) 3.1 μg/m3 (13) 27.0
 
June 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 65.0 μg/m3 (56) 12.2 μg/m3 (52) 56.0
 
June 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 25.6 μg/m3 (80) 80.0
 
June 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 27.0 μg/m3 (25) 11.1 μg/m3 (47) 47.0
 
June 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 0.0 μg/m3 (0) 13.1 μg/m3 (54) 54.0
 
June 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 47.0 μg/m3 (44) 10.3 μg/m3 (43) 46.0
 
June 11, 2021, midnight N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 41.0 μg/m3 (38) 7.2 μg/m3 (31) 48.0
 
June 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 75.0 μg/m3 (61) 8.1 μg/m3 (34) 61.0
 
June 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 68.0 μg/m3 (58) 10.1 μg/m3 (43) 58.0
 
June 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 47.0 μg/m3 (44) 15.4 μg/m3 (58) 58.0
 
June 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 54.0 μg/m3 (50) 11.0 μg/m3 (46) 65.0
 
June 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 48.0 μg/m3 (45) 10.5 μg/m3 (44) 68.0
 
June 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 51.0 μg/m3 (48) 7.4 μg/m3 (31) 58.0
 
June 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 31.0 μg/m3 (29) 4.7 μg/m3 (20) 50.0
 
June 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 24.0 μg/m3 (23) 5.4 μg/m3 (23) 49.0
 
June 10, 2021, 3 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) 7.2 μg/m3 (31) 45.0
 
June 10, 2021, 2 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) 6.9 μg/m3 (29) 30.0
 
June 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 17.0 μg/m3 (16) 5.2 μg/m3 (22) 25.0
 
June 10, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 6.0 μg/m3 (6) 7.9 μg/m3 (33) 33.0
 
June 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 14.0 μg/m3 (13) 9.3 μg/m3 (39) 39.0
 
June 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 17.0 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
June 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 25.0
 
June 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 10.0 μg/m3 (10) 4.2 μg/m3 (18) 25.0
 
June 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 13.0 μg/m3 (13) -1.2 μg/m3 (0) 34.0
 
June 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 7.0 μg/m3 (7) 5.0 μg/m3 (21) 43.0
 
June 10, 2021, 5 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) 3.4 μg/m3 (15) 43.0
 
June 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 3.0 μg/m3 (3) 5.9 μg/m3 (25) 41.0
 
June 10, 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) 4.0 μg/m3 (17) 42.0
 
June 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 9.0 μg/m3 (9) 3.8 μg/m3 (16) 45.0
 
June 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 15.0 μg/m3 (14) 5.0 μg/m3 (21) 74.0
 
June 10, 2021, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 20.0 μg/m3 (19) 7.7 μg/m3 (33) 81.0
 
June 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 22.0 μg/m3 (21) 5.2 μg/m3 (22) 81.0
 
June 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 6.0 μg/m3 (6) 4.0 μg/m3 (17) 81.0
 
June 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 2.0 μg/m3 (2) 3.7 μg/m3 (16) 78.0
 
June 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 5.0 μg/m3 (5) 6.2 μg/m3 (26) 71.0
 
June 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 11.0 μg/m3 (11) 6.4 μg/m3 (27) 68.0
 
June 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 8.0 μg/m3 (8) 6.3 μg/m3 (27) 51.0
 
June 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 9.0 μg/m3 (9) 0.1 μg/m3 (1) 49.0
 
June 9, 2021, 4 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) 6.5 μg/m3 (28) 44.0
 
June 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 21.0 μg/m3 (20) 5.6 μg/m3 (24) 39.0
 
June 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 18.0 μg/m3 (17) 3.9 μg/m3 (17) 32.0
 
June 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) 5.8 μg/m3 (25) 28.0
 
June 9, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 7.0 μg/m3 (7) 3.1 μg/m3 (13) 25.0
 
June 9, 2021, 11 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) 5.4 μg/m3 (23) 24.0
 
June 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 9.0 μg/m3 (9) 2.6 μg/m3 (11) 25.0
 
June 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 6.0 μg/m3 (6) 5.2 μg/m3 (22) 28.0
 
June 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 10.0 μg/m3 (10) 10.9 μg/m3 (46) 46.0
 
June 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) 11.1 μg/m3 (47) 47.0
 
June 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 0.4 μg/m3 (2) 39.0
 
June 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 5.0 μg/m3 (5) 1.9 μg/m3 (8) 40.0
 
June 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 13.0 μg/m3 (13) 12.9 μg/m3 (53) 53.0
 
June 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 21.0 μg/m3 (20) 11.8 μg/m3 (50) 50.0
 
June 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 42.0
 
June 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 17.0 μg/m3 (16) 7.6 μg/m3 (32) 42.0
 
June 9, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 40.0 μg/m3 (38) 17.1 μg/m3 (62) 62.0
 
June 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 30.0 μg/m3 (28) 16.4 μg/m3 (61) 68.0
 
June 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 29.0 μg/m3 (27) 6.8 μg/m3 (29) 68.0
 
June 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 35.0 μg/m3 (33) 8.5 μg/m3 (36) 81.0
 
June 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 29.0 μg/m3 (27) 4.8 μg/m3 (20) 78.0
 
June 8, 2021, 7 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) 2.2 μg/m3 (10) 81.0
 
June 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 40.0 μg/m3 (38) 2.1 μg/m3 (9) 65.0
 
June 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 43.0 μg/m3 (40) 2.9 μg/m3 (13) 68.0
 
June 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 31.0 μg/m3 (29) 6.0 μg/m3 (25) 55.0
 
June 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 32.0 μg/m3 (30) 2.9 μg/m3 (13) 44.0
 
June 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 32.0 μg/m3 (30) 7.2 μg/m3 (31) 42.0
 
June 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 19.0 μg/m3 (18) 0.8 μg/m3 (4) 36.0
 
June 8, 2021, noon N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 19.0 μg/m3 (18) 8.5 μg/m3 (36) 36.0
 
June 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 22.0 μg/m3 (21) 8.8 μg/m3 (37) 37.0
 
June 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 19.0 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
June 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 15.0 μg/m3 (14) 10.5 μg/m3 (44) 44.0
 
June 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 13.0 μg/m3 (13) 4.6 μg/m3 (20) 38.0
 
June 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 10.0 μg/m3 (10) 2.8 μg/m3 (12) 40.0
 
June 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 20.0 μg/m3 (19) 5.3 μg/m3 (23) 39.0
 
June 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 21.0 μg/m3 (20) 5.7 μg/m3 (24) 46.0
 
June 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 17.0 μg/m3 (16) 6.9 μg/m3 (29) 50.0
 
June 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 17.0 μg/m3 (16) 8.3 μg/m3 (35) 51.0
 
June 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 2.0 μg/m3 (2) 5.0 μg/m3 (21) 50.0
 
June 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 10.0 μg/m3 (10) 4.0 μg/m3 (17) 61.0
 
June 8, 2021, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A 26.0 μg/m3 (25) 5.8 μg/m3 (25) 78.0
 
June 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A -2.0 μg/m3 (0) 1.1 μg/m3 (5) 81.0
 
June 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A -3.0 μg/m3 (0) 1.1 μg/m3 (5) 84.0
 
June 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 23.0 μg/m3 (22) 6.1 μg/m3 (26) 81.0
 
June 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 19.0 μg/m3 (18) 3.1 μg/m3 (13) 81.0
 
June 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A 24.0 μg/m3 (23) 4.3 μg/m3 (18) 87.0
 
June 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 55.0 μg/m3 (51) 1.2 μg/m3 (5) 81.0
 
June 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 60.0 μg/m3 (54) 3.8 μg/m3 (16) 65.0
 
June 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 99.0 μg/m3 (73) 4.2 μg/m3 (18) 73.0
 
June 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 29.0 μg/m3 (27) 2.5 μg/m3 (11) 46.0
 
June 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 16.0 μg/m3 (15) 1.8 μg/m3 (8) 37.0
 
June 7, 2021, 1 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) 0.8 μg/m3 (4) 28.0
 
June 7, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 4.7 μg/m3 (20) 26.0
 
June 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 12.0 μg/m3 (12) 4.0 μg/m3 (17) 25.0
 
June 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 13.0 μg/m3 (13) 2.8 μg/m3 (12) 28.0
 
June 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 0.2 μg/m3 (1) 28.0
 
June 7, 2021, 8 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) 3.8 μg/m3 (16) 31.0
 
June 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 10.0 μg/m3 (10) 4.8 μg/m3 (20) 30.0
 
June 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 8.0 μg/m3 (8) -1.4 μg/m3 (0) 30.0
 
June 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 2.0 μg/m3 (2) 1.1 μg/m3 (5) 27.0
 
June 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 9.0 μg/m3 (9) 6.0 μg/m3 (25) 29.0
 
June 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 22.0 μg/m3 (21) 7.4 μg/m3 (31) 31.0
 
June 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 18.0 μg/m3 (17) 6.3 μg/m3 (27) 35.0
 
June 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 12.0 μg/m3 (12) 2.1 μg/m3 (9) 42.0
 
June 7, 2021, midnight N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 9.0 μg/m3 (9) 1.5 μg/m3 (7) 46.0
 
June 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 8.0 μg/m3 (8) -1.8 μg/m3 (0) 46.0
 
June 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 10.0 μg/m3 (10) 0.4 μg/m3 (2) 47.0
 
June 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 13.0 μg/m3 (13) 1.3 μg/m3 (6) 46.0