ID: 173

AQSQID: 060610004

Site Name: Colfax

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

Updated: July 30, 2021, 8 p.m.

Location: Colfax (Pinecroft), CA

Reporting: True, Located: True

Current AQI: 55.0

Colfax (Pinecroft) CA, US: 39.1003, -120.9528

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 7.0 μg/m3 (30) 55.0
 
July 30, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 9.0 μg/m3 (38) 50.0
 
July 30, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 30, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 30, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 30, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 16.0 μg/m3 (60) 60.0
 
July 30, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 30, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 30, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 13.0 μg/m3 (53) 53.0
 
July 30, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 30, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 30, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 7.0 μg/m3 (30) 34.0
 
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 9.0 μg/m3 (38) 44.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 7.0 μg/m3 (30) 51.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 5.0 μg/m3 (21) 46.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 8.0 μg/m3 (34) 61.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 11.0 μg/m3 (46) 65.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 15.0 μg/m3 (58) 71.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 23.0 μg/m3 (74) 74.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 36.0 μg/m3 (103) 103.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 40.0 μg/m3 (113) 113.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 48.0 μg/m3 (132) 132.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 50.0 μg/m3 (137) 137.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 50.0 μg/m3 (137) 137.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 56.0 μg/m3 (152) 152.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 55.0 μg/m3 (150) 150.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 57.0 μg/m3 (152) 152.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 58.0 μg/m3 (153) 153.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 45.0 μg/m3 (125) 125.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 54.0 μg/m3 (147) 147.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 36.0 μg/m3 (103) 103.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 33.0 μg/m3 (95) 95.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 25.0 μg/m3 (79) 79.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 0.0 μg/m3 (0) 87.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 74.0 ppb (103) N/A N/A 113.0 μg/m3 (181) 181.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 84.0 μg/m3 (166) 166.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 40.0 μg/m3 (113) 113.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A N/A 7.0 μg/m3 (30) 55.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 4.0 μg/m3 (17) 46.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 2.0 μg/m3 (9) 46.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A -3.0 μg/m3 (0) 41.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A -1.0 μg/m3 (0) 31.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 2.0 μg/m3 (9) 29.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 1.0 μg/m3 (5) 21.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 0.0 μg/m3 (0) 30.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 4.0 μg/m3 (17) 34.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 8.0 μg/m3 (34) 37.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A N/A 12.0 μg/m3 (50) 50.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 11.0 μg/m3 (46) 47.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 8.0 μg/m3 (34) 61.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 67.0 ppb (91) N/A N/A 17.0 μg/m3 (62) 91.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 66.0 ppb (87) N/A N/A 22.0 μg/m3 (72) 87.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 3.0 μg/m3 (13) 81.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 5.0 μg/m3 (21) 74.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 7.0 μg/m3 (30) 74.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 8.0 μg/m3 (34) 71.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 5.0 μg/m3 (21) 50.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A -1.0 μg/m3 (0) 47.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.0 μg/m3 (21) 22.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 6.0 μg/m3 (25) 25.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 3.0 μg/m3 (13) 23.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.0 μg/m3 (9) 22.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 2.0 μg/m3 (9) 30.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 3.0 μg/m3 (13) 34.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A N/A 4.0 μg/m3 (17) 33.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 1.0 μg/m3 (5) 50.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 4.0 μg/m3 (17) 65.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 7.0 μg/m3 (30) 68.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 4.0 μg/m3 (17) 68.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 3.0 μg/m3 (13) 74.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 3.0 μg/m3 (13) 74.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 0.0 μg/m3 (0) 68.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 1.0 μg/m3 (5) 51.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 5.0 μg/m3 (21) 32.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 8.0 μg/m3 (34) 34.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 9.0 μg/m3 (38) 38.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 6.0 μg/m3 (25) 34.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 7.0 μg/m3 (30) 30.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 7.0 μg/m3 (30) 31.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 7.0 μg/m3 (30) 43.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A N/A 9.0 μg/m3 (38) 49.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 9.0 μg/m3 (38) 40.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 10.0 μg/m3 (42) 68.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 9.0 μg/m3 (38) 78.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 3.0 μg/m3 (13) 78.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A -2.0 μg/m3 (0) 68.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A N/A 16.0 μg/m3 (60) 65.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 8.0 μg/m3 (34) 68.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 11.0 μg/m3 (46) 61.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 13.0 μg/m3 (53) 71.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 12.0 μg/m3 (50) 74.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 29.0 μg/m3 (87) 87.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 26.0 μg/m3 (81) 81.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 24.0 μg/m3 (77) 77.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 19.0 μg/m3 (66) 66.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 21.0 μg/m3 (70) 70.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A N/A 17.0 μg/m3 (62) 62.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 22.0 μg/m3 (72) 72.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 10.0 μg/m3 (42) 42.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A N/A 18.0 μg/m3 (64) 64.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A N/A 15.0 μg/m3 (58) 74.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 73.0 ppb (103) N/A N/A 20.0 μg/m3 (68) 103.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 16.0 μg/m3 (60) 101.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 12.0 μg/m3 (50) 94.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 9.0 μg/m3 (38) 101.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 70.0 ppb (100) N/A N/A 11.0 μg/m3 (46) 100.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 65.0 ppb (84) N/A N/A 13.0 μg/m3 (53) 84.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 28.0 μg/m3 (85) 85.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 35.0 μg/m3 (100) 100.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 63.0 ppb (78) N/A N/A 20.0 μg/m3 (68) 78.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A N/A 43.0 μg/m3 (120) 120.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 68.0 μg/m3 (158) 158.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 45.0 μg/m3 (125) 125.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 27.0 μg/m3 (83) 83.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 14.0 μg/m3 (55) 55.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 7.0 μg/m3 (30) 44.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 8.0 μg/m3 (34) 44.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 11.0 μg/m3 (46) 46.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A N/A 10.0 μg/m3 (42) 44.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 10.0 μg/m3 (42) 58.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 13.0 μg/m3 (53) 58.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 15.0 μg/m3 (58) 58.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 6.0 μg/m3 (25) 71.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A N/A 3.0 μg/m3 (13) 71.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 6.0 μg/m3 (25) 81.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 0.0 μg/m3 (0) 81.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 69.0 ppb (97) N/A N/A 13.0 μg/m3 (53) 97.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 71.0 ppb (101) N/A N/A 27.0 μg/m3 (83) 101.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 86.0 ppb (109) N/A N/A 117.0 μg/m3 (183) 183.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 68.0 ppb (94) N/A N/A 28.0 μg/m3 (85) 94.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A N/A 36.0 μg/m3 (103) 103.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A N/A 8.0 μg/m3 (34) 68.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 4.0 μg/m3 (17) 58.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A N/A 6.0 μg/m3 (25) 58.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A N/A 6.0 μg/m3 (25) 47.0