ID: 2111

AQSQID: 400710604

Site Name: Ponca City

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

Updated: July 28, 2021, 6:56 p.m.

Location: Ponca City (S 3rd St), OK

Reporting: True, Located: True

Current AQI: 54.0

Ponca City (S 3rd St) OK, US: 36.697189, -97.081278

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
July 28, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 34.0 μg/m3 (32) 13.4 μg/m3 (54) 54.0
 
July 28, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 38.0 μg/m3 (36) 13.5 μg/m3 (54) 54.0
 
July 28, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 41.0 μg/m3 (38) 13.6 μg/m3 (55) 55.0
 
July 28, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 33.0 μg/m3 (31) 12.1 μg/m3 (51) 51.0
 
July 28, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 26.0 μg/m3 (25) 10.3 μg/m3 (43) 43.0
 
July 28, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 9.9 μg/m3 (42) 42.0
 
July 28, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 10.0 μg/m3 (42) 42.0
 
July 28, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 10.6 μg/m3 (45) 45.0
 
July 28, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 9.7 μg/m3 (41) 41.0
 
July 28, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 10.8 μg/m3 (46) 46.0
 
July 28, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 12.6 μg/m3 (53) 53.0
 
July 28, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (28) 12.2 μg/m3 (52) 52.0
 
July 28, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 13.3 μg/m3 (54) 54.0
 
July 28, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 14.4 μg/m3 (56) 56.0
 
July 28, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 44.0 μg/m3 (41) 17.0 μg/m3 (62) 62.0
 
July 28, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 47.0 μg/m3 (44) 17.1 μg/m3 (62) 62.0
 
July 28, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (42) 16.4 μg/m3 (61) 61.0
 
July 28, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 15.6 μg/m3 (59) 59.0
 
July 27, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 15.1 μg/m3 (58) 58.0
 
July 27, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 14.6 μg/m3 (57) 57.0
 
July 27, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 14.8 μg/m3 (57) 57.0
 
July 27, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 15.5 μg/m3 (59) 59.0
 
July 27, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 15.7 μg/m3 (59) 59.0
 
July 27, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 41.0 μg/m3 (38) 16.3 μg/m3 (60) 60.0
 
July 27, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 41.0 μg/m3 (38) 16.4 μg/m3 (61) 61.0
 
July 27, 2021, 4 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 42.0 μg/m3 (39) 15.8 μg/m3 (59) 59.0
 
July 27, 2021, 3 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 35.0 μg/m3 (33) 13.3 μg/m3 (54) 54.0
 
July 27, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
July 27, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 8.4 μg/m3 (36) 36.0
 
July 27, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 7.8 μg/m3 (33) 33.0
 
July 27, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 7.6 μg/m3 (32) 32.0
 
July 27, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 7.6 μg/m3 (32) 32.0
 
July 27, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 7.3 μg/m3 (31) 31.0
 
July 27, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
July 27, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 7.1 μg/m3 (30) 30.0
 
July 27, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 7.3 μg/m3 (31) 31.0
 
July 27, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 8.7 μg/m3 (37) 37.0
 
July 27, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 10.5 μg/m3 (44) 44.0
 
July 27, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 10.1 μg/m3 (43) 43.0
 
July 27, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 9.7 μg/m3 (41) 41.0
 
July 27, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 9.1 μg/m3 (38) 38.0
 
July 27, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 8.8 μg/m3 (37) 37.0
 
July 26, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 20.0 μg/m3 (19) 8.6 μg/m3 (36) 36.0
 
July 26, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 23.0 μg/m3 (22) 9.3 μg/m3 (39) 39.0
 
July 26, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 10.9 μg/m3 (46) 46.0
 
July 26, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (55) 19.2 μg/m3 (66) 66.0
 
July 26, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 64.0 μg/m3 (56) 20.5 μg/m3 (69) 69.0
 
July 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) 18.2 μg/m3 (64) 64.0
 
July 26, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
July 26, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
July 26, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
July 26, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 μg/m3 (39) 16.6 μg/m3 (61) 61.0
 
July 26, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 15.2 μg/m3 (58) 58.0
 
July 26, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 14.3 μg/m3 (56) 56.0
 
July 26, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 13.0 μg/m3 (53) 53.0
 
July 26, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 11.9 μg/m3 (50) 50.0
 
July 26, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 13.5 μg/m3 (54) 54.0
 
July 26, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 10.9 μg/m3 (46) 46.0
 
July 26, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 8.8 μg/m3 (37) 37.0
 
July 26, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 8.5 μg/m3 (36) 36.0
 
July 26, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 8.4 μg/m3 (36) 36.0
 
July 26, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 7.7 μg/m3 (33) 33.0
 
July 26, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 9.2 μg/m3 (39) 39.0
 
July 26, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 9.2 μg/m3 (39) 39.0
 
July 26, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 9.6 μg/m3 (40) 40.0
 
July 26, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 10.6 μg/m3 (45) 45.0
 
July 25, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 25.0 μg/m3 (24) 11.1 μg/m3 (47) 47.0
 
July 25, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 10.8 μg/m3 (46) 46.0
 
July 25, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 13.6 μg/m3 (55) 55.0
 
July 25, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 77.0 μg/m3 (62) 27.7 μg/m3 (84) 84.0
 
July 25, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 72.0 μg/m3 (60) 26.9 μg/m3 (83) 83.0
 
July 25, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 77.0 μg/m3 (62) 28.2 μg/m3 (85) 85.0
 
July 25, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 95.0 μg/m3 (71) 32.3 μg/m3 (94) 94.0
 
July 25, 2021, 4 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A 92.0 μg/m3 (70) 32.5 μg/m3 (94) 94.0
 
July 25, 2021, 3 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 86.0 μg/m3 (67) 31.6 μg/m3 (93) 93.0
 
July 25, 2021, 2 p.m. N/A N/A N/A N/A N/A 10.0 ppb (15) N/A N/A 79.0 μg/m3 (63) 30.2 μg/m3 (90) 90.0
 
July 25, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 71.0 μg/m3 (59) 28.8 μg/m3 (87) 87.0
 
July 25, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 67.0 μg/m3 (57) 27.9 μg/m3 (85) 85.0
 
July 25, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 70.0 μg/m3 (59) 28.2 μg/m3 (85) 85.0
 
July 25, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 67.0 μg/m3 (57) 27.4 μg/m3 (84) 84.0
 
July 25, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 69.0 μg/m3 (58) 27.8 μg/m3 (85) 85.0
 
July 25, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 72.0 μg/m3 (60) 29.0 μg/m3 (87) 87.0
 
July 25, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 71.0 μg/m3 (59) 27.5 μg/m3 (84) 84.0
 
July 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 72.0 μg/m3 (60) 26.3 μg/m3 (81) 81.0
 
July 25, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 73.0 μg/m3 (60) 27.1 μg/m3 (83) 83.0
 
July 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 64.0 μg/m3 (56) 24.1 μg/m3 (77) 77.0
 
July 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 58.0 μg/m3 (53) 21.8 μg/m3 (72) 72.0
 
July 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 47.0 μg/m3 (44) 21.0 μg/m3 (70) 70.0
 
July 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (42) 18.8 μg/m3 (66) 66.0
 
July 25, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 64.0 μg/m3 (56) 23.3 μg/m3 (75) 75.0
 
July 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (55) 24.0 μg/m3 (77) 77.0
 
July 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 75.0 μg/m3 (61) 34.4 μg/m3 (98) 98.0
 
July 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 64.0 μg/m3 (56) 24.4 μg/m3 (77) 77.0
 
July 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 63.0 μg/m3 (55) 24.2 μg/m3 (77) 77.0
 
July 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 67.0 μg/m3 (57) 24.5 μg/m3 (78) 78.0
 
July 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 66.0 μg/m3 (57) 24.3 μg/m3 (77) 77.0
 
July 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 65.0 μg/m3 (56) 24.1 μg/m3 (77) 77.0
 
July 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 72.0 μg/m3 (60) 24.9 μg/m3 (78) 78.0
 
July 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 67.0 μg/m3 (57) 24.0 μg/m3 (77) 77.0
 
July 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 66.0 μg/m3 (57) 22.9 μg/m3 (74) 74.0
 
July 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A 48.0 μg/m3 (45) 19.2 μg/m3 (66) 66.0
 
July 24, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 17.3 μg/m3 (62) 62.0
 
July 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 35.0 μg/m3 (33) 16.1 μg/m3 (60) 60.0
 
July 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 34.0 μg/m3 (32) 15.4 μg/m3 (58) 58.0
 
July 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 30.0 μg/m3 (28) 14.1 μg/m3 (56) 56.0
 
July 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 13.1 μg/m3 (54) 54.0
 
July 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 30.0 μg/m3 (28) 12.4 μg/m3 (52) 52.0
 
July 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 29.0 μg/m3 (27) 12.3 μg/m3 (52) 52.0
 
July 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A 33.0 μg/m3 (31) 11.9 μg/m3 (50) 50.0
 
July 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A 38.0 μg/m3 (36) 12.3 μg/m3 (52) 52.0
 
July 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 35.0 μg/m3 (33) 11.6 μg/m3 (49) 49.0
 
July 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A 30.0 μg/m3 (28) 10.6 μg/m3 (45) 45.0
 
July 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A 53.0 μg/m3 (50) 12.3 μg/m3 (52) 52.0
 
July 24, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
July 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 10.5 μg/m3 (44) 44.0
 
July 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 24.0 μg/m3 (23) 11.2 μg/m3 (47) 47.0
 
July 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 26.0 μg/m3 (25) 12.3 μg/m3 (52) 52.0
 
July 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 28.0 μg/m3 (26) 13.6 μg/m3 (55) 55.0
 
July 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (29) 14.4 μg/m3 (56) 56.0
 
July 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 27.0 μg/m3 (25) 14.0 μg/m3 (55) 55.0
 
July 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 30.0 μg/m3 (28) 14.8 μg/m3 (57) 57.0
 
July 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 17.5 μg/m3 (63) 63.0
 
July 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 44.0 μg/m3 (41) 21.0 μg/m3 (70) 70.0
 
July 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A 42.0 μg/m3 (39) 24.2 μg/m3 (77) 77.0
 
July 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A 44.0 μg/m3 (41) 27.3 μg/m3 (83) 83.0
 
July 23, 2021, noon N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 46.0 μg/m3 (43) 31.0 μg/m3 (91) 91.0
 
July 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 47.0 μg/m3 (44) 34.1 μg/m3 (98) 98.0
 
July 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 49.0 μg/m3 (46) 35.6 μg/m3 (102) 102.0
 
July 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 49.0 μg/m3 (46) 36.0 μg/m3 (103) 103.0
 
July 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 36.6 μg/m3 (104) 104.0
 
July 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 53.0 μg/m3 (50) 35.3 μg/m3 (100) 100.0
 
July 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 53.0 μg/m3 (50) 34.6 μg/m3 (99) 99.0
 
July 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A 51.0 μg/m3 (48) 34.2 μg/m3 (98) 98.0
 
July 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 52.0 μg/m3 (49) 34.1 μg/m3 (98) 98.0
 
July 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 52.0 μg/m3 (49) 34.2 μg/m3 (98) 98.0
 
July 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 58.0 μg/m3 (53) 33.8 μg/m3 (97) 97.0
 
July 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 55.0 μg/m3 (51) 32.5 μg/m3 (94) 94.0
 
July 23, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (42) 31.9 μg/m3 (93) 93.0
 
July 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 47.0 μg/m3 (44) 32.5 μg/m3 (94) 94.0
 
July 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (45) 32.6 μg/m3 (95) 95.0
 
July 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 47.0 μg/m3 (44) 33.4 μg/m3 (96) 96.0
 
July 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 33.3 μg/m3 (96) 96.0
 
July 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 49.0 μg/m3 (46) 34.0 μg/m3 (98) 98.0
 
July 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 53.0 μg/m3 (50) 35.5 μg/m3 (101) 101.0
 
July 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (50) 36.2 μg/m3 (103) 103.0
 
July 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 56.0 μg/m3 (52) 37.0 μg/m3 (105) 105.0
 
July 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 67.0 μg/m3 (57) 37.1 μg/m3 (105) 105.0
 
July 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 62.0 μg/m3 (55) 36.8 μg/m3 (105) 105.0
 
July 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A 56.0 μg/m3 (52) 36.7 μg/m3 (104) 104.0
 
July 22, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (50) 38.2 μg/m3 (108) 108.0
 
July 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 53.0 μg/m3 (50) 39.0 μg/m3 (110) 110.0
 
July 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 38.4 μg/m3 (109) 109.0
 
July 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 54.0 μg/m3 (50) 40.6 μg/m3 (114) 114.0
 
July 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 56.0 μg/m3 (52) 42.4 μg/m3 (118) 118.0
 
July 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 55.0 μg/m3 (51) 42.5 μg/m3 (119) 119.0
 
July 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 57.0 μg/m3 (52) 43.5 μg/m3 (121) 121.0
 
July 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.0 μg/m3 (54) 44.8 μg/m3 (124) 124.0
 
July 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.0 μg/m3 (54) 42.6 μg/m3 (119) 119.0
 
July 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 61.0 μg/m3 (54) 42.5 μg/m3 (119) 119.0
 
July 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 56.0 μg/m3 (52) 40.8 μg/m3 (115) 115.0
 
July 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 56.0 μg/m3 (52) 40.3 μg/m3 (113) 113.0
 
July 22, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 57.0 μg/m3 (52) 40.8 μg/m3 (115) 115.0
 
July 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 53.0 μg/m3 (50) 40.8 μg/m3 (115) 115.0
 
July 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 40.0 μg/m3 (113) 113.0
 
July 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 50.0 μg/m3 (47) 40.0 μg/m3 (113) 113.0
 
July 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 39.9 μg/m3 (112) 112.0
 
July 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 51.0 μg/m3 (48) 40.5 μg/m3 (114) 114.0
 
July 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 50.0 μg/m3 (47) 40.6 μg/m3 (114) 114.0