ID: 9698

AQSQID: 840460990009

Site Name: Sf-Usd

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

Updated: May 28, 2022, 2:25 p.m.

Location: Sioux Falls (W Nobel St), SD

Reporting: True, Located: True

Current AQI: 31.0

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
May 28, 2022, noon N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 20.0 μg/m3 (19) 0.4 μg/m3 (2) 31.0
 
May 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 28, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 15.0 μg/m3 (14) 7.2 μg/m3 (31) 31.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 13.3 μg/m3 (54) 54.0
 
May 28, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 18.0 μg/m3 (17) 13.3 μg/m3 (54) 54.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 30.0 μg/m3 (28) -0.9 μg/m3 (0) 36.0
 
May 28, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 30.0 μg/m3 (28) -0.9 μg/m3 (0) 36.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 72.0 μg/m3 (60) 11.3 μg/m3 (48) 60.0
 
May 28, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 72.0 μg/m3 (60) 11.3 μg/m3 (48) 60.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 33.0 μg/m3 (31) -1.0 μg/m3 (0) 38.0
 
May 28, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 33.0 μg/m3 (31) -1.0 μg/m3 (0) 38.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 29.0 μg/m3 (27) 0.9 μg/m3 (4) 40.0
 
May 28, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 29.0 μg/m3 (27) 0.9 μg/m3 (4) 40.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 25.0 μg/m3 (24) 4.8 μg/m3 (20) 43.0
 
May 28, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A 25.0 μg/m3 (24) 4.8 μg/m3 (20) 43.0
 
May 28, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 55.0 ppb (51) N/A 27.0 μg/m3 (25) 3.6 μg/m3 (16) 51.0
 
May 27, 2022, 7 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) 0.9 μg/m3 (4) 61.0
 
May 27, 2022, 7 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) 0.9 μg/m3 (4) 61.0
 
May 27, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 56.0 ppb (55) N/A 17.0 μg/m3 (16) 1.8 μg/m3 (8) 55.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 21.0 μg/m3 (20) 1.8 μg/m3 (8) 50.0
 
May 27, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 21.0 μg/m3 (20) 1.8 μg/m3 (8) 50.0
 
May 27, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 25.0 μg/m3 (24) 2.4 μg/m3 (10) 46.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 23.0 μg/m3 (22) 6.5 μg/m3 (28) 39.0
 
May 27, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 23.0 μg/m3 (22) 6.5 μg/m3 (28) 39.0
 
May 27, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 23.0 μg/m3 (22) 7.2 μg/m3 (31) 33.0
 
May 27, 2022, 5 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) 4.8 μg/m3 (20) 28.0
 
May 27, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 15.0 μg/m3 (14) 4.3 μg/m3 (18) 30.0
 
May 27, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 26.0 μg/m3 (25) -3.2 μg/m3 (0) 30.0
 
May 27, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 29.0 μg/m3 (27) -4.4 μg/m3 (0) 29.0
 
May 27, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 18.0 μg/m3 (17) 3.6 μg/m3 (16) 41.0
 
May 27, 2022, midnight N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 27.0 μg/m3 (25) 0.2 μg/m3 (1) 50.0
 
May 26, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 54.0 ppb (50) N/A 14.0 μg/m3 (13) 1.9 μg/m3 (8) 50.0
 
May 26, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 27.0 μg/m3 (25) 2.1 μg/m3 (9) 50.0
 
May 26, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 53.0 ppb (50) N/A 19.0 μg/m3 (18) 0.9 μg/m3 (4) 50.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 19.0 μg/m3 (18) 0.7 μg/m3 (3) 49.0
 
May 26, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 52.0 ppb (49) N/A 19.0 μg/m3 (18) 0.7 μg/m3 (3) 49.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 10.0 μg/m3 (10) 1.9 μg/m3 (8) 48.0
 
May 26, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 10.0 μg/m3 (10) 1.9 μg/m3 (8) 48.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 5.9 μg/m3 (25) 48.0
 
May 26, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 51.0 ppb (48) N/A 12.0 μg/m3 (12) 5.9 μg/m3 (25) 48.0
 
May 26, 2022, 5 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) 16.7 μg/m3 (61) 61.0
 
May 26, 2022, 5 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) 16.7 μg/m3 (61) 61.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 10.0 μg/m3 (10) 3.3 μg/m3 (14) 44.0
 
May 26, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 10.0 μg/m3 (10) 3.3 μg/m3 (14) 44.0
 
May 26, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 10.0 μg/m3 (10) 4.3 μg/m3 (18) 41.0
 
May 26, 2022, 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) 3.3 μg/m3 (14) 39.0
 
May 26, 2022, 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) 3.3 μg/m3 (14) 39.0
 
May 26, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 3.0 μg/m3 (3) -4.4 μg/m3 (0) 32.0
 
May 26, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 4.0 μg/m3 (4) 6.0 μg/m3 (25) 35.0
 
May 26, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 3.0 μg/m3 (3) -0.2 μg/m3 (0) 36.0
 
May 26, 2022, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 2.0 μg/m3 (2) 0.5 μg/m3 (3) 35.0
 
May 25, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 1.0 μg/m3 (1) -0.7 μg/m3 (0) 35.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 2.0 μg/m3 (2) -0.5 μg/m3 (0) 32.0
 
May 25, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 2.0 μg/m3 (2) -0.5 μg/m3 (0) 32.0
 
May 25, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 0.0 μg/m3 (0) 0.5 μg/m3 (3) 33.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 2.0 μg/m3 (2) 6.5 μg/m3 (28) 34.0
 
May 25, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 2.0 μg/m3 (2) 6.5 μg/m3 (28) 34.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 2.0 μg/m3 (2) 12.5 μg/m3 (52) 52.0
 
May 25, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 2.0 μg/m3 (2) 12.5 μg/m3 (52) 52.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 0.0 μg/m3 (0) 8.9 μg/m3 (38) 38.0
 
May 25, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 0.0 μg/m3 (0) 8.9 μg/m3 (38) 38.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 35.0 μg/m3 (33) 12.1 μg/m3 (51) 51.0
 
May 25, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 35.0 μg/m3 (33) 12.1 μg/m3 (51) 51.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 1.0 μg/m3 (1) 2.6 μg/m3 (11) 36.0
 
May 25, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 3.0 μg/m3 (3) 2.1 μg/m3 (9) 34.0
 
May 25, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 2.6 μg/m3 (11) 33.0
 
May 25, 2022, 5 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) 3.1 μg/m3 (13) 34.0
 
May 25, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 8.0 μg/m3 (8) 3.6 μg/m3 (16) 36.0
 
May 25, 2022, 1 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) 6.2 μg/m3 (26) 38.0
 
May 25, 2022, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 50.0 μg/m3 (47) 5.0 μg/m3 (21) 47.0
 
May 24, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 47.0 ppb (44) N/A 41.0 μg/m3 (38) -1.4 μg/m3 (0) 44.0
 
May 24, 2022, 8 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) N/A 46.0
 
May 24, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 39.0 μg/m3 (37) 16.3 μg/m3 (60) 60.0
 
May 24, 2022, 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) -2.2 μg/m3 (0) 46.0
 
May 24, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 28.0 μg/m3 (26) 5.5 μg/m3 (23) 45.0
 
May 24, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A 30.0 μg/m3 (28) 1.4 μg/m3 (6) 42.0
 
May 24, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A 41.0 μg/m3 (38) -1.9 μg/m3 (0) 39.0
 
May 24, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 50.0 μg/m3 (47) 16.0 μg/m3 (60) 60.0
 
May 24, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A 47.0 μg/m3 (44) 6.0 μg/m3 (25) 44.0
 
May 24, 2022, noon N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 133.0 μg/m3 (90) 6.5 μg/m3 (28) 90.0
 
May 24, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 115.0 μg/m3 (81) 18.5 μg/m3 (65) 81.0
 
May 24, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 103.0 μg/m3 (75) 18.5 μg/m3 (65) 75.0
 
May 24, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 102.0 μg/m3 (75) 5.8 μg/m3 (25) 75.0
 
May 24, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 108.0 μg/m3 (78) 18.8 μg/m3 (66) 78.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 107.0 μg/m3 (77) 1.7 μg/m3 (8) 77.0
 
May 24, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 107.0 μg/m3 (77) 1.7 μg/m3 (8) 77.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 103.0 μg/m3 (75) 0.4 μg/m3 (2) 75.0
 
May 24, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 103.0 μg/m3 (75) 0.4 μg/m3 (2) 75.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 99.0 μg/m3 (73) 1.4 μg/m3 (6) 73.0
 
May 24, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 99.0 μg/m3 (73) 1.4 μg/m3 (6) 73.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 100.0 μg/m3 (74) 15.3 μg/m3 (58) 74.0
 
May 24, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 100.0 μg/m3 (74) 15.3 μg/m3 (58) 74.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 77.0 μg/m3 (62) N/A 62.0
 
May 24, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 77.0 μg/m3 (62) 1.9 μg/m3 (8) 62.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 87.0 μg/m3 (67) 1.9 μg/m3 (8) 67.0
 
May 24, 2022, midnight N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 87.0 μg/m3 (67) 1.9 μg/m3 (8) 67.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 81.0 μg/m3 (64) 1.9 μg/m3 (8) 64.0
 
May 23, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 81.0 μg/m3 (64) 1.9 μg/m3 (8) 64.0
 
May 23, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 48.0 ppb (45) N/A 89.0 μg/m3 (68) 14.3 μg/m3 (56) 68.0
 
May 23, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 77.0 μg/m3 (62) 3.8 μg/m3 (16) 62.0
 
May 23, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 49.0 ppb (46) N/A 85.0 μg/m3 (66) 5.0 μg/m3 (21) 66.0
 
May 23, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 78.0 μg/m3 (63) -2.4 μg/m3 (0) 63.0
 
May 23, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 84.0 μg/m3 (66) -1.2 μg/m3 (0) 66.0
 
May 23, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A 56.0 μg/m3 (52) 4.8 μg/m3 (20) 52.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 55.0 μg/m3 (51) 1.4 μg/m3 (6) 51.0
 
May 23, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 55.0 μg/m3 (51) 1.4 μg/m3 (6) 51.0
 
May 23, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A 41.0 μg/m3 (38) -0.4 μg/m3 (0) 38.0
 
May 23, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 50.0 μg/m3 (47) 2.8 μg/m3 (12) 47.0
 
May 23, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 50.0 μg/m3 (47) 3.6 μg/m3 (16) 47.0
 
May 23, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A 21.0 μg/m3 (20) -3.0 μg/m3 (0) 31.0
 
May 23, 2022, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A 22.0 μg/m3 (21) -0.9 μg/m3 (0) 40.0
 
May 22, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A 22.0 μg/m3 (21) -0.9 μg/m3 (0) 41.0
 
May 22, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A 23.0 μg/m3 (22) 0.0 μg/m3 (0) 38.0
 
May 22, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A 23.0 μg/m3 (22) 2.4 μg/m3 (10) 38.0
 
May 22, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 23.0 μg/m3 (22) 0.0 μg/m3 (0) 35.0
 
May 22, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 20.0 μg/m3 (19) 0.2 μg/m3 (1) 35.0
 
May 22, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 35.0 ppb (33) N/A 7.0 μg/m3 (7) 3.1 μg/m3 (13) 33.0
 
May 22, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) -0.4 μg/m3 (0) 32.0
 
May 22, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 5.0 μg/m3 (5) -1.7 μg/m3 (0) 32.0
 
May 22, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 0.0 μg/m3 (0) 14.8 μg/m3 (57) 57.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 1.0 μg/m3 (1) 3.2 μg/m3 (14) 28.0
 
May 22, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 1.0 μg/m3 (1) 3.2 μg/m3 (14) 28.0
 
May 22, 2022, noon N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 6.0 μg/m3 (6) -0.9 μg/m3 (0) 24.0
 
May 22, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 3.0 μg/m3 (3) -2.9 μg/m3 (0) 15.0
 
May 22, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 3.0 μg/m3 (3) 1.0 μg/m3 (5) 13.0
 
May 22, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 6.0 μg/m3 (6) 1.9 μg/m3 (8) 13.0
 
May 22, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A 9.0 μg/m3 (9) -3.4 μg/m3 (0) 13.0
 
May 22, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A 10.0 μg/m3 (10) -1.4 μg/m3 (0) 13.0
 
May 22, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A 11.0 μg/m3 (11) 0.4 μg/m3 (2) 15.0
 
May 22, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A 52.0 μg/m3 (49) 3.9 μg/m3 (17) 49.0
 
May 22, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A 15.0 μg/m3 (14) 0.2 μg/m3 (1) 24.0
 
May 22, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 4.0 μg/m3 (4) -1.4 μg/m3 (0) 32.0
 
May 22, 2022, midnight N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 7.0 μg/m3 (7) N/A 36.0
 
May 21, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 10.0 μg/m3 (10) -4.9 μg/m3 (0) 37.0
 
May 21, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 4.0 μg/m3 (4) 0.9 μg/m3 (4) 37.0
 
May 21, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 5.0 μg/m3 (5) 0.9 μg/m3 (4) 36.0
 
May 21, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 3.0 μg/m3 (3) 1.6 μg/m3 (7) 36.0
 
May 21, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 3.0 μg/m3 (3) 2.4 μg/m3 (10) 35.0
 
May 21, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A 3.0 μg/m3 (3) 17.8 μg/m3 (63) 63.0
 
May 21, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A 3.0 μg/m3 (3) -0.7 μg/m3 (0) 36.0
 
May 21, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A 5.0 μg/m3 (5) 6.7 μg/m3 (28) 34.0
 
May 21, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A 7.0 μg/m3 (7) 13.3 μg/m3 (54) 54.0
 
May 21, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A 6.0 μg/m3 (6) -0.4 μg/m3 (0) 32.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 4.0 μg/m3 (4) -0.4 μg/m3 (0) 29.0
 
May 21, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A 4.0 μg/m3 (4) -0.4 μg/m3 (0) 29.0
 
May 21, 2022, noon N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A 2.0 μg/m3 (2) -0.4 μg/m3 (0) 25.0
 
May 21, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A -1.0 μg/m3 (0) 15.3 μg/m3 (58) 58.0
 
May 21, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A 2.0 μg/m3 (2) 3.9 μg/m3 (17) 18.0
 
May 21, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A 5.0 μg/m3 (5) 7.5 μg/m3 (32) 32.0
 
May 21, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 5.0 μg/m3 (5) 1.2 μg/m3 (5) 30.0
 
May 21, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 7.0 μg/m3 (7) 0.2 μg/m3 (1) 27.0
 
May 21, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 9.0 μg/m3 (9) 6.3 μg/m3 (27) 27.0
 
May 21, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A 8.0 μg/m3 (8) 13.8 μg/m3 (55) 55.0
 
May 21, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 12.0 μg/m3 (12) -4.4 μg/m3 (0) 28.0
 
May 20, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 11.0 μg/m3 (11) -4.6 μg/m3 (0) 28.0
 
May 20, 2022, 10 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) -1.7 μg/m3 (0) 30.0
 
May 20, 2022, 9 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
 
May 20, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A 16.0 μg/m3 (15) 3.1 μg/m3 (13) 30.0
 
May 20, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 10.0 μg/m3 (10) 1.4 μg/m3 (6) 28.0
 
May 20, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A 9.0 μg/m3 (9) 1.0 μg/m3 (5) 28.0
 
May 20, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 7.0 μg/m3 (7) 1.4 μg/m3 (6) 26.0
 
May 20, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A 8.0 μg/m3 (8) 2.1 μg/m3 (9) 26.0