ID: 9698

AQSQID: 840460990009

Site Name: Sf-Usd

Added: March 30, 2021, 5:40 a.m.

Updated: July 30, 2021, 7:52 a.m.

Location: Sioux Falls (W Nobel St), SD

Reporting: True, Located: True

Current AQI: 129.0

Sioux Falls (W Nobel St) SD, US: 43.59901, -96.78331

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 30, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A 211.0 μg/m3 (129) N/A 129.0
 
July 30, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A 212.0 μg/m3 (130) N/A 130.0
 
July 30, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 191.0 μg/m3 (119) 168.4 μg/m3 (219) 219.0
 
July 30, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A 146.0 μg/m3 (97) 129.9 μg/m3 (190) 190.0
 
July 30, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 117.0 μg/m3 (82) N/A 82.0
 
July 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 184.0 μg/m3 (116) 153.0 μg/m3 (204) 204.0
 
July 30, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 167.0 μg/m3 (107) 126.6 μg/m3 (188) 188.0
 
July 29, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 143.0 μg/m3 (95) 119.3 μg/m3 (184) 184.0
 
July 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 120.0 μg/m3 (84) 93.4 μg/m3 (171) 171.0
 
July 29, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 110.0 μg/m3 (79) 83.6 μg/m3 (166) 166.0
 
July 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 121.0 μg/m3 (84) 86.3 μg/m3 (167) 167.0
 
July 29, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 140.0 μg/m3 (94) 106.1 μg/m3 (178) 178.0
 
July 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 168.0 μg/m3 (108) 133.2 μg/m3 (192) 192.0
 
July 29, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 181.0 μg/m3 (114) 140.1 μg/m3 (195) 195.0
 
July 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 168.0 μg/m3 (108) 147.3 μg/m3 (199) 199.0
 
July 29, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 124.0 μg/m3 (86) 102.8 μg/m3 (176) 176.0
 
July 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 87.0 μg/m3 (67) 58.8 μg/m3 (153) 153.0
 
July 29, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 52.0 μg/m3 (49) 28.0 μg/m3 (85) 85.0
 
July 29, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 31.0 μg/m3 (29) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 24.0 μg/m3 (23) 9.8 μg/m3 (41) 41.0
 
July 29, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 26.0 μg/m3 (25) 7.4 μg/m3 (31) 34.0
 
July 29, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 34.0 μg/m3 (32) 13.3 μg/m3 (54) 54.0
 
July 29, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 37.0 μg/m3 (35) 18.0 μg/m3 (64) 64.0
 
July 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 29.0 μg/m3 (27) 11.5 μg/m3 (48) 48.0
 
July 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 23.0 μg/m3 (22) 8.8 μg/m3 (37) 37.0
 
July 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 27.0 μg/m3 (25) 7.1 μg/m3 (30) 35.0
 
July 29, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 42.0 μg/m3 (39) 7.9 μg/m3 (33) 40.0
 
July 29, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 35.0 μg/m3 (33) 20.9 μg/m3 (70) 70.0
 
July 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 39.0 μg/m3 (37) 2.9 μg/m3 (13) 48.0
 
July 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 35.0 μg/m3 (33) 13.2 μg/m3 (54) 54.0
 
July 29, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 40.0 μg/m3 (38) 20.1 μg/m3 (68) 68.0
 
July 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 47.0 μg/m3 (44) 2.6 μg/m3 (11) 49.0
 
July 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 40.0 μg/m3 (38) 6.7 μg/m3 (28) 50.0
 
July 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 42.0 μg/m3 (39) 8.8 μg/m3 (37) 50.0
 
July 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 30.0 μg/m3 (28) 7.4 μg/m3 (31) 50.0
 
July 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 48.0 μg/m3 (45) 9.1 μg/m3 (38) 48.0
 
July 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 41.0 μg/m3 (38) 11.8 μg/m3 (50) 50.0
 
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 37.0 μg/m3 (35) 7.6 μg/m3 (32) 42.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 30.0 μg/m3 (28) 7.9 μg/m3 (33) 38.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 28.0 μg/m3 (26) 7.2 μg/m3 (31) 36.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.0 μg/m3 (25) 1.4 μg/m3 (6) 34.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 33.0 μg/m3 (31) 5.1 μg/m3 (22) 31.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 22.0 μg/m3 (21) 8.3 μg/m3 (35) 35.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 18.0 μg/m3 (17) 8.4 μg/m3 (36) 36.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 48.0 μg/m3 (45) 5.0 μg/m3 (21) 45.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 0.0 μg/m3 (0) 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 25.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 27.0 μg/m3 (25) 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 29.0 μg/m3 (27) 7.4 μg/m3 (31) 31.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 36.0 μg/m3 (34) 8.6 μg/m3 (36) 36.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 44.0 μg/m3 (41) 29.2 μg/m3 (87) 87.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 48.0 μg/m3 (45) 1.1 μg/m3 (5) 45.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 43.0 μg/m3 (40) 9.3 μg/m3 (39) 40.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 34.0 μg/m3 (32) 7.6 μg/m3 (32) 32.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 39.0 μg/m3 (37) 8.1 μg/m3 (34) 39.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 40.0 μg/m3 (38) 12.0 μg/m3 (50) 50.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 43.0 μg/m3 (40) 8.6 μg/m3 (36) 51.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 39.0 μg/m3 (37) 8.8 μg/m3 (37) 50.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 46.0 μg/m3 (43) 11.7 μg/m3 (49) 50.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 46.0 μg/m3 (43) 13.5 μg/m3 (54) 61.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 50.0 μg/m3 (47) 15.7 μg/m3 (59) 59.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 36.0 μg/m3 (34) 9.8 μg/m3 (41) 41.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 26.0 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 45.0 μg/m3 (42) 11.5 μg/m3 (48) 48.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 26.0 μg/m3 (25) 11.5 μg/m3 (48) 48.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 28.0 μg/m3 (26) 12.3 μg/m3 (52) 52.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 30.0 μg/m3 (28) 7.4 μg/m3 (31) 32.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 25.0 μg/m3 (24) 8.6 μg/m3 (36) 36.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 25.0 μg/m3 (24) 15.5 μg/m3 (59) 59.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 28.0 μg/m3 (26) 10.8 μg/m3 (46) 46.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 26.0 μg/m3 (25) 11.0 μg/m3 (46) 46.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 33.0 μg/m3 (31) 13.0 μg/m3 (53) 53.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 31.0 μg/m3 (29) 14.2 μg/m3 (56) 56.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 32.0 μg/m3 (30) 10.8 μg/m3 (46) 46.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 36.0 μg/m3 (34) 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 41.0 μg/m3 (38) 15.2 μg/m3 (58) 58.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 42.0 μg/m3 (39) 12.3 μg/m3 (52) 52.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 33.0 μg/m3 (31) 15.7 μg/m3 (59) 59.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 44.0 μg/m3 (41) 16.2 μg/m3 (60) 60.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 52.0 μg/m3 (49) 18.5 μg/m3 (65) 65.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 49.0 μg/m3 (46) 14.0 μg/m3 (55) 55.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 51.0 μg/m3 (48) 12.0 μg/m3 (50) 50.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 48.0 μg/m3 (45) 6.0 μg/m3 (25) 47.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 36.0 μg/m3 (34) 8.6 μg/m3 (36) 48.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 32.0 μg/m3 (30) 12.2 μg/m3 (52) 52.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 25.0 μg/m3 (24) 11.6 μg/m3 (49) 49.0
 
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 22.0 μg/m3 (21) 13.2 μg/m3 (54) 54.0
 
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 27.0 μg/m3 (25) 10.8 μg/m3 (46) 46.0
 
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 26.0 μg/m3 (25) 13.5 μg/m3 (54) 54.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 31.0 μg/m3 (29) 12.5 μg/m3 (52) 52.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 31.0 μg/m3 (29) 29.2 μg/m3 (87) 87.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 26.0 μg/m3 (25) -1.9 μg/m3 (0) 26.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 26.0 μg/m3 (25) 15.0 μg/m3 (58) 58.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 30.0 μg/m3 (28) 14.8 μg/m3 (57) 57.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 29.0 μg/m3 (27) 11.1 μg/m3 (47) 47.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 27.0 μg/m3 (25) 19.4 μg/m3 (67) 67.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 28.0 μg/m3 (26) 17.0 μg/m3 (62) 62.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 24.0 μg/m3 (23) 12.2 μg/m3 (52) 52.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 27.0 μg/m3 (25) 9.3 μg/m3 (39) 55.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 18.0 μg/m3 (17) 7.4 μg/m3 (31) 50.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 41.0 μg/m3 (38) 10.6 μg/m3 (45) 45.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 32.0 μg/m3 (30) 12.3 μg/m3 (52) 52.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 34.0 μg/m3 (32) 15.0 μg/m3 (58) 68.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 28.0 μg/m3 (26) 15.0 μg/m3 (58) 74.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 28.0 μg/m3 (26) 14.5 μg/m3 (57) 71.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 32.0 μg/m3 (30) 14.2 μg/m3 (56) 71.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 28.0 μg/m3 (26) 12.5 μg/m3 (52) 71.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 38.0 μg/m3 (36) 31.9 μg/m3 (93) 93.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 64.0 ppb (81) N/A 32.0 μg/m3 (30) 20.9 μg/m3 (70) 81.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 62.0 ppb (74) N/A 30.0 μg/m3 (28) 8.8 μg/m3 (37) 74.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 38.0 μg/m3 (36) 13.0 μg/m3 (53) 55.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 27.0 μg/m3 (25) 13.3 μg/m3 (54) 54.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 28.0 μg/m3 (26) 15.5 μg/m3 (59) 59.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 32.0 μg/m3 (30) 15.7 μg/m3 (59) 59.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A N/A 10.0 ppb (10) N/A 28.0 μg/m3 (26) 25.5 μg/m3 (80) 80.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 5.0 ppb (5) N/A 18.0 μg/m3 (17) -1.4 μg/m3 (0) 17.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 7.0 ppb (7) N/A 25.0 μg/m3 (24) 27.7 μg/m3 (84) 84.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 24.0 μg/m3 (23) 18.7 μg/m3 (65) 65.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 29.0 μg/m3 (27) 19.2 μg/m3 (66) 66.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 26.0 μg/m3 (25) 13.5 μg/m3 (54) 54.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 24.0 μg/m3 (23) 16.3 μg/m3 (60) 60.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 26.0 μg/m3 (25) 27.9 μg/m3 (85) 85.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 25.0 μg/m3 (24) 4.0 μg/m3 (17) 24.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 29.0 μg/m3 (27) 10.1 μg/m3 (43) 43.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 37.0 μg/m3 (35) 26.0 μg/m3 (81) 81.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 30.0 μg/m3 (28) 12.3 μg/m3 (52) 52.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 20.0 μg/m3 (19) 10.3 μg/m3 (43) 50.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 21.0 μg/m3 (20) 10.8 μg/m3 (46) 61.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 60.0 ppb (68) N/A 22.0 μg/m3 (21) 3.6 μg/m3 (16) 68.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 16.0 μg/m3 (15) 5.0 μg/m3 (21) 71.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 61.0 ppb (71) N/A 19.0 μg/m3 (18) 8.4 μg/m3 (36) 71.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 59.0 ppb (65) N/A 17.0 μg/m3 (16) 6.4 μg/m3 (27) 65.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 8.0 μg/m3 (8) 2.8 μg/m3 (12) 55.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 15.0 μg/m3 (14) 2.6 μg/m3 (11) 50.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 11.0 μg/m3 (11) 4.1 μg/m3 (18) 50.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 9.0 μg/m3 (9) 4.8 μg/m3 (20) 46.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 8.0 μg/m3 (8) 2.9 μg/m3 (13) 39.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 19.0 μg/m3 (18) 2.6 μg/m3 (11) 27.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 16.0 μg/m3 (15) 0.2 μg/m3 (1) 19.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 14.0 μg/m3 (13) -0.5 μg/m3 (0) 15.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 10.0 μg/m3 (10) 3.6 μg/m3 (16) 23.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 6.9 μg/m3 (29) 33.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 8.0 μg/m3 (8) 6.7 μg/m3 (28) 33.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 11.0 μg/m3 (11) 5.7 μg/m3 (24) 34.0
 
July 24, 2021, 6 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) 5.7 μg/m3 (24) 31.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 12.0 μg/m3 (12) 6.2 μg/m3 (26) 35.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 29.0 μg/m3 (27) 10.6 μg/m3 (45) 45.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 30.0 μg/m3 (28) 12.7 μg/m3 (53) 53.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 50.0 ppb (47) N/A 38.0 μg/m3 (36) 8.6 μg/m3 (36) 47.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 38.0 μg/m3 (36) 11.5 μg/m3 (48) 58.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 38.0 μg/m3 (36) 15.9 μg/m3 (59) 59.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 58.0 ppb (61) N/A 45.0 μg/m3 (42) 9.6 μg/m3 (40) 61.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 57.0 ppb (58) N/A 43.0 μg/m3 (40) 10.3 μg/m3 (43) 58.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 48.0 μg/m3 (45) 12.2 μg/m3 (52) 52.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 45.0 μg/m3 (42) 13.5 μg/m3 (54) 54.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 44.0 μg/m3 (41) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.0 μg/m3 (38) 16.2 μg/m3 (60) 60.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 11.5 μg/m3 (48) 48.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 37.0 μg/m3 (35) 14.3 μg/m3 (56) 56.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 38.0 μg/m3 (36) 12.8 μg/m3 (53) 53.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 41.0 μg/m3 (38) 16.0 μg/m3 (60) 60.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 35.0 μg/m3 (33) 35.1 μg/m3 (100) 100.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 33.0 μg/m3 (31) 7.9 μg/m3 (33) 36.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 36.0 μg/m3 (34) 20.1 μg/m3 (68) 68.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 35.0 μg/m3 (33) 18.9 μg/m3 (66) 66.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 33.0 μg/m3 (31) 32.9 μg/m3 (95) 95.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 37.0 μg/m3 (35) 21.1 μg/m3 (70) 70.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 36.0 μg/m3 (34) 30.0 μg/m3 (89) 89.0