ID: 1594

AQSQID: 051430005

Site Name: Sprngdle

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

Updated: May 21, 2022, 1:38 p.m.

Location: Springdale (S Old Missouri Rd), AR

Reporting: True, Located: True

Current AQI: 27.0

Springdale (S Old Missouri Rd) AR, US: 36.1797, -94.1167

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 16.1 μg/m3 (60) 60.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 16.1 μg/m3 (60) 60.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 16.1 μg/m3 (60) 60.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 16.1 μg/m3 (60) 60.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.7 μg/m3 (57) 57.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 14.7 μg/m3 (57) 57.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 16.8 μg/m3 (61) 61.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 16.8 μg/m3 (61) 61.0
 
May 12, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 16.3 μg/m3 (60) 60.0
 
May 12, 2022, noon N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 20.3 μg/m3 (69) 69.0
 
May 12, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 9.0 ppb (9) N/A N/A 11.2 μg/m3 (47) 47.0
 
May 12, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 8.0 ppb (8) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 12, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 12.8 μg/m3 (53) 53.0
 
May 12, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 14.2 μg/m3 (56) 56.0
 
May 12, 2022, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 13.8 μg/m3 (55) 55.0
 
May 11, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 10.1 μg/m3 (43) 43.0
 
May 11, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 9.7 μg/m3 (41) 41.0
 
May 11, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 11.8 μg/m3 (50) 50.0
 
May 11, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 12.7 μg/m3 (53) 53.0
 
May 11, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 13.6 μg/m3 (55) 55.0
 
May 11, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 14.2 μg/m3 (56) 56.0
 
May 11, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 14.4 μg/m3 (56) 56.0
 
May 11, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 15.6 μg/m3 (59) 59.0
 
May 11, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 19.0 μg/m3 (66) 66.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 19.0 μg/m3 (66) 66.0
 
May 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 15.5 μg/m3 (59) 59.0
 
May 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 15.5 μg/m3 (59) 59.0
 
May 11, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 15.7 μg/m3 (59) 59.0
 
May 11, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 15.6 μg/m3 (59) 59.0
 
May 11, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 14.8 μg/m3 (57) 57.0
 
May 11, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 15.6 μg/m3 (59) 59.0
 
May 11, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 18.4 μg/m3 (65) 65.0
 
May 11, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 17.9 μg/m3 (64) 64.0
 
May 11, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 18.8 μg/m3 (66) 66.0
 
May 11, 2022, midnight N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 20.9 μg/m3 (70) 70.0
 
May 10, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 18.8 μg/m3 (66) 66.0
 
May 10, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 20.8 μg/m3 (70) 70.0
 
May 10, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 26.6 μg/m3 (82) 82.0
 
May 10, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 27.4 μg/m3 (84) 84.0
 
May 10, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 25.1 μg/m3 (79) 79.0
 
May 10, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 25.5 μg/m3 (80) 80.0
 
May 10, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 24.2 μg/m3 (77) 77.0
 
May 10, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 22.1 μg/m3 (73) 73.0
 
May 10, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 19.9 μg/m3 (68) 68.0
 
May 10, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 21.0 μg/m3 (70) 70.0
 
May 10, 2022, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 20.9 μg/m3 (70) 70.0
 
May 10, 2022, noon N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 20.9 μg/m3 (70) 70.0
 
May 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 21.5 μg/m3 (71) 71.0
 
May 10, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 21.5 μg/m3 (71) 71.0
 
May 10, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 20.4 μg/m3 (69) 69.0
 
May 10, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 18.9 μg/m3 (66) 66.0
 
May 10, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 17.0 μg/m3 (62) 62.0
 
May 10, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 15.4 μg/m3 (58) 58.0
 
May 10, 2022, 6 a.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
 
May 10, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 27.0 μg/m3 (83) 83.0
 
May 10, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 33.0 ppb (31) N/A N/A 27.0 μg/m3 (83) 83.0
 
May 10, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 29.4 μg/m3 (88) 88.0
 
May 10, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 29.4 μg/m3 (88) 88.0
 
May 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 30.4 μg/m3 (90) 90.0
 
May 10, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 30.4 μg/m3 (90) 90.0
 
May 10, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 30.5 μg/m3 (90) 90.0
 
May 10, 2022, midnight N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 30.5 μg/m3 (90) 90.0
 
May 9, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 30.0 μg/m3 (89) 89.0
 
May 9, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 30.0 μg/m3 (89) 89.0
 
May 9, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 31.2 μg/m3 (92) 92.0
 
May 9, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 31.4 μg/m3 (92) 92.0
 
May 9, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 31.4 μg/m3 (92) 92.0
 
May 9, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 30.0 μg/m3 (89) 89.0
 
May 9, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 21.4 μg/m3 (71) 71.0
 
May 9, 2022, noon N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 22.1 μg/m3 (73) 73.0
 
May 9, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 23.7 μg/m3 (76) 76.0
 
May 9, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 23.7 μg/m3 (76) 76.0
 
May 9, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 23.7 μg/m3 (76) 76.0
 
May 9, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 24.8 μg/m3 (78) 78.0
 
May 9, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 26.8 μg/m3 (82) 82.0
 
May 9, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 18.7 μg/m3 (65) 65.0
 
May 9, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 18.7 μg/m3 (65) 65.0
 
May 9, 2022, midnight N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 20.3 μg/m3 (69) 69.0
 
May 8, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 19.3 μg/m3 (67) 67.0
 
May 8, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 18.9 μg/m3 (66) 66.0
 
May 8, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.6 μg/m3 (59) 59.0
 
May 8, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 36.0 ppb (34) N/A N/A 15.6 μg/m3 (59) 59.0
 
May 8, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 11.6 μg/m3 (49) 49.0
 
May 8, 2022, 2 p.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
 
May 8, 2022, noon 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
 
May 8, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
May 8, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.6 μg/m3 (24) 39.0
 
May 8, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.8 μg/m3 (16) 39.0
 
May 8, 2022, 8 a.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 (13) 41.0
 
May 8, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.3 μg/m3 (18) 38.0
 
May 8, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.3 μg/m3 (23) 35.0
 
May 8, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.3 μg/m3 (23) 35.0
 
May 8, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 30.0 ppb (28) N/A N/A 7.0 μg/m3 (30) 30.0
 
May 8, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 31.0 ppb (29) N/A N/A 8.3 μg/m3 (35) 35.0
 
May 8, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 32.0 ppb (30) N/A N/A 8.0 μg/m3 (34) 34.0
 
May 8, 2022, midnight N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
May 7, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.8 μg/m3 (20) 39.0
 
May 7, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.9 μg/m3 (21) 41.0
 
May 7, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.4 μg/m3 (23) 38.0
 
May 7, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.5 μg/m3 (15) 36.0
 
May 7, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 4.8 μg/m3 (20) 35.0
 
May 7, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
May 7, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 4.5 μg/m3 (19) 32.0
 
May 7, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
May 7, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 3.9 μg/m3 (17) 25.0
 
May 7, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 3.0 μg/m3 (13) 20.0
 
May 7, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 6.0 ppb (6) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 7, 2022, noon N/A N/A N/A N/A N/A N/A 2.0 ppb (2) N/A N/A 5.9 μg/m3 (25) 25.0
 
May 7, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 1.0 ppb (1) N/A N/A 3.2 μg/m3 (14) 14.0
 
May 7, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (25) 25.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 7, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 13.0 ppb (13) N/A N/A 7.2 μg/m3 (31) 31.0
 
May 6, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 2.9 μg/m3 (13) 25.0
 
May 6, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.0 μg/m3 (13) 21.0
 
May 6, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
May 6, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 0.0 μg/m3 (0) 24.0
 
May 6, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 20.0 ppb (19) N/A N/A 1.5 μg/m3 (7) 19.0
 
May 6, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.2 μg/m3 (10) 16.0
 
May 6, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 3.5 μg/m3 (15) 16.0
 
May 6, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 3.7 μg/m3 (16) 26.0
 
May 6, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.7 μg/m3 (12) 26.0
 
May 6, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 28.0 ppb (26) N/A N/A 2.7 μg/m3 (12) 26.0
 
May 6, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.0 μg/m3 (17) 21.0
 
May 6, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.4 μg/m3 (19) 19.0
 
May 6, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 19.0 ppb (18) N/A N/A 4.4 μg/m3 (19) 19.0
 
May 6, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 3.5 μg/m3 (15) 15.0
 
May 6, 2022, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
May 6, 2022, midnight N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 3.3 μg/m3 (14) 17.0
 
May 5, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
May 5, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.3 μg/m3 (14) 22.0
 
May 5, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 24.0 ppb (23) N/A N/A 1.3 μg/m3 (6) 23.0
 
May 5, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A 25.0 ppb (24) N/A N/A 2.8 μg/m3 (12) 24.0
 
May 5, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 10.3 μg/m3 (43) 43.0
 
May 5, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A 26.0 ppb (25) N/A N/A 10.3 μg/m3 (43) 43.0
 
May 5, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A 29.0 ppb (27) N/A N/A 4.0 μg/m3 (17) 27.0
 
May 5, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A -0.2 μg/m3 (0) 25.0
 
May 5, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A 27.0 ppb (25) N/A N/A 0.0 μg/m3 (0) 25.0
 
May 5, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.2 μg/m3 (10) 22.0
 
May 5, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 0.5 μg/m3 (3) 15.0
 
May 5, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 0.5 μg/m3 (3) 15.0
 
May 5, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 17.0 ppb (16) N/A N/A 2.9 μg/m3 (13) 16.0
 
May 5, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 3.1 μg/m3 (13) 14.0
 
May 5, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 3.1 μg/m3 (13) 14.0
 
May 5, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 5, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 5, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 5, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A 15.0 ppb (14) N/A N/A 4.3 μg/m3 (18) 18.0
 
May 5, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.8 μg/m3 (20) 20.0
 
May 5, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A 14.0 ppb (13) N/A N/A 4.8 μg/m3 (20) 20.0
 
May 4, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A 16.0 ppb (15) N/A N/A 1.6 μg/m3 (7) 15.0
 
May 4, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A 18.0 ppb (17) N/A N/A 0.5 μg/m3 (3) 17.0
 
May 4, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A 21.0 ppb (20) N/A N/A 6.5 μg/m3 (28) 28.0
 
May 4, 2022, noon N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
May 4, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 5.1 μg/m3 (22) 22.0
 
May 4, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
May 4, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 4.5 μg/m3 (19) 22.0
 
May 4, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.8 μg/m3 (16) 22.0
 
May 4, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 3.6 μg/m3 (16) 22.0
 
May 4, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A 23.0 ppb (22) N/A N/A 2.5 μg/m3 (11) 22.0
 
May 4, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.7 μg/m3 (16) 21.0
 
May 4, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
May 4, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 4.7 μg/m3 (20) 21.0
 
May 4, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A 22.0 ppb (21) N/A N/A 3.2 μg/m3 (14) 21.0