ID: 2010

AQSQID: 560370300

Site Name: Moxa Arch

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

Updated: Aug. 5, 2021, 9:56 a.m.

Location: Green Riv (La Barge Rd), WY

Reporting: True, Located: True

Current AQI: 31.0

Green Riv (La Barge Rd) WY, US: 41.750599, -109.789703

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 5, 2021, 7 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 21.0 μg/m3 (20) N/A 31.0
 
Aug. 5, 2021, 6 a.m. 0.9 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 21.0 μg/m3 (20) N/A 32.0
 
Aug. 5, 2021, 5 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 42.0 ppb (39) N/A 22.0 μg/m3 (21) N/A 39.0
 
Aug. 5, 2021, 4 a.m. 0.6 ppb (1) -0.4 ppb (0) N/A 1.0 ppb (1) N/A 2.0 ppb (3) 45.0 ppb (42) N/A 21.0 μg/m3 (20) N/A 42.0
 
Aug. 5, 2021, 3 a.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 18.0 μg/m3 (17) N/A 43.0
 
Aug. 5, 2021, 2 a.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 17.0 μg/m3 (16) N/A 46.0
 
Aug. 5, 2021, 1 a.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 57.0 ppb (58) N/A 20.0 μg/m3 (19) N/A 58.0
 
Aug. 5, 2021, midnight 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) N/A 23.0 μg/m3 (22) N/A 71.0
 
Aug. 4, 2021, 11 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 24.0 μg/m3 (23) N/A 68.0
 
Aug. 4, 2021, 10 p.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (65) N/A 24.0 μg/m3 (23) N/A 65.0
 
Aug. 4, 2021, 9 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 26.0 μg/m3 (25) N/A 68.0
 
Aug. 4, 2021, 8 p.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 27.0 μg/m3 (25) N/A 68.0
 
Aug. 4, 2021, 7 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 63.0 ppb (78) N/A 25.0 μg/m3 (24) N/A 78.0
 
Aug. 4, 2021, 6 p.m. 3.9 ppb (4) 0.3 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 64.0 ppb (81) N/A 32.0 μg/m3 (30) N/A 81.0
 
Aug. 4, 2021, 5 p.m. 2.7 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 59.0 ppb (65) N/A 21.0 μg/m3 (20) N/A 65.0
 
Aug. 4, 2021, 4 p.m. 2.5 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 23.0 μg/m3 (22) N/A 44.0
 
Aug. 4, 2021, 3 p.m. 2.8 ppb (3) 0.5 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 38.0 ppb (36) N/A 22.0 μg/m3 (21) N/A 36.0
 
Aug. 4, 2021, 2 p.m. 1.9 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 14.0 μg/m3 (13) N/A 29.0
 
Aug. 4, 2021, 1 p.m. 1.4 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 31.0 ppb (29) N/A 20.0 μg/m3 (19) N/A 29.0
 
Aug. 4, 2021, noon 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 15.0 μg/m3 (14) N/A 30.0
 
Aug. 4, 2021, 11 a.m. 1.6 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 8.0 μg/m3 (8) N/A 30.0
 
Aug. 4, 2021, 10 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 40.0 ppb (38) N/A 16.0 μg/m3 (15) N/A 38.0
 
Aug. 4, 2021, 9 a.m. 7.0 ppb (7) 0.1 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 39.0 ppb (37) N/A 10.0 μg/m3 (10) N/A 37.0
 
Aug. 4, 2021, 8 a.m. 2.4 ppb (3) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 35.0 ppb (33) N/A 11.0 μg/m3 (11) N/A 33.0
 
Aug. 4, 2021, 7 a.m. 2.1 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 34.0 ppb (32) N/A 10.0 μg/m3 (10) N/A 32.0
 
Aug. 4, 2021, 6 a.m. 1.6 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 12.0 μg/m3 (12) N/A 33.0
 
Aug. 4, 2021, 5 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 20.0 μg/m3 (19) N/A 38.0
 
Aug. 4, 2021, 4 a.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 22.0 μg/m3 (21) N/A 40.0
 
Aug. 4, 2021, 3 a.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 17.0 μg/m3 (16) N/A 46.0
 
Aug. 4, 2021, 2 a.m. 0.8 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 18.0 μg/m3 (17) N/A 50.0
 
Aug. 4, 2021, 1 a.m. 0.5 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 14.0 μg/m3 (13) N/A 51.0
 
Aug. 4, 2021, midnight 0.4 ppb (1) 0.0 ppb (0) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 56.0 ppb (55) N/A 16.0 μg/m3 (15) N/A 55.0
 
Aug. 3, 2021, 11 p.m. 0.3 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A 13.0 μg/m3 (13) N/A 55.0
 
Aug. 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Aug. 3, 2021, 9 p.m. 0.6 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 13.0 μg/m3 (13) N/A 51.0
 
Aug. 3, 2021, 8 p.m. 0.5 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 3.0 μg/m3 (3) N/A 51.0
 
Aug. 3, 2021, 7 p.m. 0.7 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 1.0 μg/m3 (1) N/A 49.0
 
Aug. 3, 2021, 6 p.m. 0.9 ppb (1) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 2.0 μg/m3 (2) N/A 46.0
 
Aug. 3, 2021, 5 p.m. 0.8 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 4.0 μg/m3 (4) N/A 46.0
 
Aug. 3, 2021, 4 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 3.0 μg/m3 (3) N/A 41.0
 
Aug. 3, 2021, 3 p.m. 1.0 ppb (1) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 2.0 μg/m3 (2) N/A 41.0
 
Aug. 3, 2021, 2 p.m. 1.7 ppb (2) 0.3 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 2.0 μg/m3 (2) N/A 33.0
 
Aug. 3, 2021, 1 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 27.0 ppb (25) N/A 0.0 μg/m3 (0) N/A 25.0
 
Aug. 3, 2021, noon 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 28.0 ppb (26) N/A -2.0 μg/m3 (0) N/A 26.0
 
Aug. 3, 2021, 11 a.m. 2.4 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A 0.0 μg/m3 (0) N/A 31.0
 
Aug. 3, 2021, 10 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 0.0 μg/m3 (0) N/A 35.0
 
Aug. 3, 2021, 9 a.m. 2.5 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 35.0 ppb (33) N/A -2.0 μg/m3 (0) N/A 33.0
 
Aug. 3, 2021, 8 a.m. 2.2 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A -1.0 μg/m3 (0) N/A 30.0
 
Aug. 3, 2021, 7 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 1.0 μg/m3 (1) N/A 30.0
 
Aug. 3, 2021, 6 a.m. 0.7 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 0.0 μg/m3 (0) N/A 34.0
 
Aug. 3, 2021, 5 a.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 4.0 μg/m3 (4) N/A 35.0
 
Aug. 3, 2021, 4 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 8.0 μg/m3 (8) N/A 35.0
 
Aug. 3, 2021, 3 a.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A -3.0 μg/m3 (0) N/A 40.0
 
Aug. 3, 2021, 2 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A -3.0 μg/m3 (0) N/A 45.0
 
Aug. 3, 2021, 1 a.m. 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A 20.0 μg/m3 (19) N/A 50.0
 
Aug. 3, 2021, midnight 0.9 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (65) N/A 1.0 μg/m3 (1) N/A 65.0
 
Aug. 2, 2021, 11 p.m. 0.8 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 4.0 μg/m3 (4) N/A 68.0
 
Aug. 2, 2021, 10 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 9.0 μg/m3 (9) N/A 68.0
 
Aug. 2, 2021, 9 p.m. 0.9 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 12.0 μg/m3 (12) N/A 68.0
 
Aug. 2, 2021, 8 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (61) N/A 13.0 μg/m3 (13) N/A 61.0
 
Aug. 2, 2021, 7 p.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A 12.0 μg/m3 (12) N/A 50.0
 
Aug. 2, 2021, 6 p.m. 1.6 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 6.0 μg/m3 (6) N/A 47.0
 
Aug. 2, 2021, 5 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 9.0 μg/m3 (9) N/A 43.0
 
Aug. 2, 2021, 4 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 40.0 ppb (38) N/A 5.0 μg/m3 (5) N/A 38.0
 
Aug. 2, 2021, 3 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 36.0 ppb (34) N/A 4.0 μg/m3 (4) N/A 34.0
 
Aug. 2, 2021, 2 p.m. 1.8 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 6.0 μg/m3 (6) N/A 30.0
 
Aug. 2, 2021, 1 p.m. 2.8 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 6.0 μg/m3 (6) N/A 28.0
 
Aug. 2, 2021, noon 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 35.0 ppb (33) N/A 3.0 μg/m3 (3) N/A 33.0
 
Aug. 2, 2021, 11 a.m. 2.7 ppb (3) 0.1 ppb (1) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 8.0 μg/m3 (8) N/A 32.0
 
Aug. 2, 2021, 10 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 13.0 μg/m3 (13) N/A 28.0
 
Aug. 2, 2021, 9 a.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 34.0 ppb (32) N/A 7.0 μg/m3 (7) N/A 32.0
 
Aug. 2, 2021, 8 a.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 1.0 μg/m3 (1) N/A 36.0
 
Aug. 2, 2021, 7 a.m. 2.9 ppb (3) -0.1 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 33.0 ppb (31) N/A -1.0 μg/m3 (0) N/A 31.0
 
Aug. 2, 2021, 6 a.m. 2.3 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 3.0 μg/m3 (3) N/A 35.0
 
Aug. 2, 2021, 5 a.m. 1.0 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 2.0 μg/m3 (2) N/A 42.0
 
Aug. 2, 2021, 4 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 0.0 μg/m3 (0) N/A 44.0
 
Aug. 2, 2021, 3 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A -2.0 μg/m3 (0) N/A 46.0
 
Aug. 2, 2021, 2 a.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 54.0 ppb (50) N/A -1.0 μg/m3 (0) N/A 50.0
 
Aug. 2, 2021, 1 a.m. 1.1 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (65) N/A 3.0 μg/m3 (3) N/A 65.0
 
Aug. 2, 2021, midnight 1.6 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 62.0 ppb (74) N/A 6.0 μg/m3 (6) N/A 74.0
 
Aug. 1, 2021, 11 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 62.0 ppb (74) N/A 8.0 μg/m3 (8) N/A 74.0
 
Aug. 1, 2021, 10 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 14.0 μg/m3 (13) N/A 81.0
 
Aug. 1, 2021, 9 p.m. 0.7 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 66.0 ppb (87) N/A 13.0 μg/m3 (13) N/A 87.0
 
Aug. 1, 2021, 8 p.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 65.0 ppb (84) N/A 10.0 μg/m3 (10) N/A 84.0
 
Aug. 1, 2021, 5 p.m. 1.0 ppb (1) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 17.0 μg/m3 (16) N/A 68.0
 
Aug. 1, 2021, 4 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (61) N/A 23.0 μg/m3 (22) N/A 61.0
 
Aug. 1, 2021, 3 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 27.0 μg/m3 (25) N/A 50.0
 
Aug. 1, 2021, 2 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 29.0 μg/m3 (27) N/A 44.0
 
Aug. 1, 2021, 1 p.m. 1.6 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 31.0 μg/m3 (29) N/A 37.0
 
Aug. 1, 2021, noon 1.7 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 32.0 μg/m3 (30) N/A 35.0
 
Aug. 1, 2021, 11 a.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 39.0 ppb (37) N/A 22.0 μg/m3 (21) N/A 37.0
 
Aug. 1, 2021, 10 a.m. 1.0 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 39.0 ppb (37) N/A 34.0 μg/m3 (32) N/A 37.0
 
Aug. 1, 2021, 9 a.m. 3.0 ppb (3) -0.4 ppb (0) N/A 3.0 ppb (3) N/A 2.0 ppb (3) 41.0 ppb (38) N/A 23.0 μg/m3 (22) N/A 38.0
 
Aug. 1, 2021, 8 a.m. 1.5 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 31.0 μg/m3 (29) N/A 43.0
 
Aug. 1, 2021, 7 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 48.0 ppb (45) N/A 25.0 μg/m3 (24) N/A 45.0
 
Aug. 1, 2021, 6 a.m. 1.5 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 50.0 ppb (47) N/A 25.0 μg/m3 (24) N/A 47.0
 
Aug. 1, 2021, 5 a.m. 0.8 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 18.0 μg/m3 (17) N/A 49.0
 
Aug. 1, 2021, 4 a.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 21.0 μg/m3 (20) N/A 49.0
 
Aug. 1, 2021, 3 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 56.0 ppb (55) N/A 18.0 μg/m3 (17) N/A 55.0
 
Aug. 1, 2021, 2 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 61.0 ppb (71) N/A 10.0 μg/m3 (10) N/A 71.0
 
Aug. 1, 2021, 1 a.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 12.0 μg/m3 (12) N/A 81.0
 
Aug. 1, 2021, midnight 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 65.0 ppb (84) N/A 7.0 μg/m3 (7) N/A 84.0
 
July 31, 2021, 11 p.m. 1.3 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 63.0 ppb (78) N/A 8.0 μg/m3 (8) N/A 78.0
 
July 31, 2021, 10 p.m. 1.7 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 61.0 ppb (71) N/A 11.0 μg/m3 (11) N/A 71.0
 
July 31, 2021, 9 p.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 63.0 ppb (78) N/A 9.0 μg/m3 (9) N/A 78.0
 
July 31, 2021, 8 p.m. 0.9 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 65.0 ppb (84) N/A 10.0 μg/m3 (10) N/A 84.0
 
July 31, 2021, 7 p.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 66.0 ppb (87) N/A 13.0 μg/m3 (13) N/A 87.0
 
July 31, 2021, 6 p.m. 1.1 ppb (2) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 66.0 ppb (87) N/A 7.0 μg/m3 (7) N/A 87.0
 
July 31, 2021, 5 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 4.0 μg/m3 (4) N/A 81.0
 
July 31, 2021, 4 p.m. 1.9 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 61.0 ppb (71) N/A 6.0 μg/m3 (6) N/A 71.0
 
July 31, 2021, 3 p.m. 4.4 ppb (5) 0.7 ppb (1) N/A 4.0 ppb (4) N/A 2.0 ppb (3) 56.0 ppb (55) N/A 5.0 μg/m3 (5) N/A 55.0
 
July 31, 2021, 2 p.m. 4.1 ppb (4) 0.6 ppb (1) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 50.0 ppb (47) N/A 5.0 μg/m3 (5) N/A 47.0
 
July 31, 2021, 1 p.m. 2.1 ppb (2) 0.3 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 47.0 ppb (44) N/A 4.0 μg/m3 (4) N/A 44.0
 
July 31, 2021, noon 2.0 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 2.0 μg/m3 (2) N/A 39.0
 
July 31, 2021, 11 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 42.0 ppb (39) N/A 4.0 μg/m3 (4) N/A 39.0
 
July 31, 2021, 10 a.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 5.0 μg/m3 (5) N/A 43.0
 
July 31, 2021, 9 a.m. 4.2 ppb (4) 0.0 ppb (0) N/A 4.0 ppb (4) N/A 1.0 ppb (2) 49.0 ppb (46) N/A 6.0 μg/m3 (6) N/A 46.0
 
July 31, 2021, 8 a.m. 7.2 ppb (7) 0.2 ppb (1) N/A 7.0 ppb (7) N/A 2.0 ppb (3) 47.0 ppb (44) N/A 9.0 μg/m3 (9) N/A 44.0
 
July 31, 2021, 7 a.m. 2.6 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 51.0 ppb (48) N/A 6.0 μg/m3 (6) N/A 48.0
 
July 31, 2021, 6 a.m. 0.8 ppb (1) -0.5 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 6.0 μg/m3 (6) N/A 40.0
 
July 31, 2021, 5 a.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 46.0 ppb (43) N/A 9.0 μg/m3 (9) N/A 43.0
 
July 31, 2021, 4 a.m. 1.3 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 8.0 μg/m3 (8) N/A 50.0
 
July 31, 2021, 3 a.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 59.0 ppb (65) N/A 5.0 μg/m3 (5) N/A 65.0
 
July 31, 2021, 2 a.m. 1.2 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 7.0 μg/m3 (7) N/A 68.0
 
July 31, 2021, 1 a.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 62.0 ppb (74) N/A 12.0 μg/m3 (12) N/A 74.0
 
July 31, 2021, midnight 0.8 ppb (1) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 67.0 ppb (91) N/A 4.0 μg/m3 (4) N/A 91.0
 
July 30, 2021, 11 p.m. 0.5 ppb (1) -0.3 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 68.0 ppb (94) N/A 0.0 μg/m3 (0) N/A 94.0
 
July 30, 2021, 10 p.m. 0.9 ppb (1) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 68.0 ppb (94) N/A 1.0 μg/m3 (1) N/A 94.0
 
July 30, 2021, 9 p.m. 1.2 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 70.0 ppb (100) N/A 6.0 μg/m3 (6) N/A 100.0
 
July 30, 2021, 8 p.m. 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 1.0 ppb (2) 73.0 ppb (103) N/A 12.0 μg/m3 (12) N/A 103.0
 
July 30, 2021, 7 p.m. 1.2 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 70.0 ppb (100) N/A 4.0 μg/m3 (4) N/A 100.0
 
July 30, 2021, 6 p.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 69.0 ppb (97) N/A 4.0 μg/m3 (4) N/A 97.0
 
July 30, 2021, 5 p.m. 1.1 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 71.0 ppb (101) N/A 1.0 μg/m3 (1) N/A 101.0
 
July 30, 2021, 4 p.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 67.0 ppb (91) N/A 17.0 μg/m3 (16) N/A 91.0
 
July 30, 2021, 3 p.m. 2.9 ppb (3) 0.2 ppb (1) N/A 3.0 ppb (3) N/A 1.0 ppb (2) 68.0 ppb (94) N/A 16.0 μg/m3 (15) N/A 94.0
 
July 30, 2021, 2 p.m. 2.1 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 64.0 ppb (81) N/A 2.0 μg/m3 (2) N/A 81.0
 
July 30, 2021, 1 p.m. 2.1 ppb (2) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 59.0 ppb (65) N/A 6.0 μg/m3 (6) N/A 65.0
 
July 30, 2021, noon 3.0 ppb (3) 0.0 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 55.0 ppb (51) N/A 10.0 μg/m3 (10) N/A 51.0
 
July 30, 2021, 11 a.m. 4.6 ppb (5) -0.1 ppb (0) N/A 5.0 ppb (5) N/A 1.0 ppb (2) 60.0 ppb (68) N/A 7.0 μg/m3 (7) N/A 68.0
 
July 30, 2021, 10 a.m. 5.7 ppb (6) 0.1 ppb (1) N/A 6.0 ppb (6) N/A 1.0 ppb (2) 56.0 ppb (55) N/A 14.0 μg/m3 (13) N/A 55.0
 
July 30, 2021, 9 a.m. 2.7 ppb (3) -0.2 ppb (0) N/A 3.0 ppb (3) N/A 0.0 ppb (0) 52.0 ppb (49) N/A 22.0 μg/m3 (21) N/A 49.0
 
July 30, 2021, 8 a.m. 1.8 ppb (2) -0.2 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 24.0 μg/m3 (23) N/A 36.0
 
July 30, 2021, 7 a.m. 1.3 ppb (2) -0.3 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 18.0 μg/m3 (17) N/A 36.0
 
July 30, 2021, 6 a.m. 1.8 ppb (2) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 43.0 ppb (40) N/A 16.0 μg/m3 (15) N/A 40.0
 
July 30, 2021, 5 a.m. 1.5 ppb (2) 0.1 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 44.0 ppb (41) N/A 13.0 μg/m3 (13) N/A 41.0
 
July 30, 2021, 4 a.m. 1.5 ppb (2) -0.1 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 49.0 ppb (46) N/A 13.0 μg/m3 (13) N/A 46.0
 
July 30, 2021, 3 a.m. 1.4 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 53.0 ppb (50) N/A 13.0 μg/m3 (13) N/A 50.0
 
July 30, 2021, 2 a.m. 1.1 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 58.0 ppb (61) N/A 15.0 μg/m3 (14) N/A 61.0
 
July 30, 2021, 1 a.m. 1.1 ppb (2) -0.2 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 68.0 ppb (94) N/A 13.0 μg/m3 (13) N/A 94.0
 
July 30, 2021, midnight 1.4 ppb (2) 0.0 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 69.0 ppb (97) N/A 14.0 μg/m3 (13) N/A 97.0
 
July 29, 2021, 11 p.m. 1.5 ppb (2) 0.2 ppb (1) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 70.0 ppb (100) N/A 22.0 μg/m3 (21) N/A 100.0
 
July 29, 2021, 10 p.m. 1.2 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 70.0 ppb (100) N/A 27.0 μg/m3 (25) N/A 100.0
 
July 29, 2021, 9 p.m. 1.3 ppb (2) -0.1 ppb (0) N/A 1.0 ppb (1) N/A 0.0 ppb (0) 69.0 ppb (97) N/A 27.0 μg/m3 (25) N/A 97.0
 
July 29, 2021, 8 p.m. 1.8 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 69.0 ppb (97) N/A 27.0 μg/m3 (25) N/A 97.0
 
July 29, 2021, 7 p.m. 2.0 ppb (2) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 68.0 ppb (94) N/A 38.0 μg/m3 (36) N/A 94.0
 
July 29, 2021, 6 p.m. 2.4 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 66.0 ppb (87) N/A 37.0 μg/m3 (35) N/A 87.0
 
July 29, 2021, 5 p.m. 2.3 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 60.0 ppb (68) N/A 37.0 μg/m3 (35) N/A 68.0
 
July 29, 2021, 4 p.m. 2.2 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 57.0 ppb (58) N/A 42.0 μg/m3 (39) N/A 58.0
 
July 29, 2021, 3 p.m. 2.6 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 38.0 ppb (36) N/A 35.0 μg/m3 (33) N/A 36.0
 
July 29, 2021, 2 p.m. 2.5 ppb (3) 0.0 ppb (0) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 30.0 ppb (28) N/A 29.0 μg/m3 (27) N/A 28.0
 
July 29, 2021, 1 p.m. 2.8 ppb (3) 0.6 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 32.0 ppb (30) N/A 34.0 μg/m3 (32) N/A 32.0
 
July 29, 2021, noon 2.3 ppb (3) 0.2 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 26.0 ppb (25) N/A 25.0 μg/m3 (24) N/A 25.0
 
July 29, 2021, 11 a.m. 3.0 ppb (3) 0.8 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 24.0 ppb (23) N/A 23.0 μg/m3 (22) N/A 23.0
 
July 29, 2021, 10 a.m. 0.6 ppb (1) 0.2 ppb (1) N/A 0.0 ppb (0) N/A 0.0 ppb (0) 37.0 ppb (35) N/A 29.0 μg/m3 (27) N/A 35.0
 
July 29, 2021, 9 a.m. 2.3 ppb (3) 0.7 ppb (1) N/A 2.0 ppb (2) N/A 2.0 ppb (3) 34.0 ppb (32) N/A 15.0 μg/m3 (14) N/A 32.0
 
July 29, 2021, 8 a.m. 2.5 ppb (3) 0.1 ppb (1) N/A 2.0 ppb (2) N/A 0.0 ppb (0) 45.0 ppb (42) N/A 25.0 μg/m3 (24) N/A 42.0
 
July 29, 2021, 7 a.m. 2.4 ppb (3) 0.4 ppb (1) N/A 2.0 ppb (2) N/A 1.0 ppb (2) 43.0 ppb (40) N/A 26.0 μg/m3 (25) N/A 40.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0