ID: 2111

AQSQID: 400710604

Site Name: Ponca City

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

Updated: Jan. 21, 2021, 9:31 a.m.

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

Reporting: True, Located: True

Current AQI: 53.0

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
Jan. 21, 2021, 8 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) 12.6 μg/m3 (53) 53.0
 
Jan. 21, 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) 11.5 μg/m3 (48) 48.0
 
Jan. 21, 2021, 6 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) 10.7 μg/m3 (45) 45.0
 
Jan. 21, 2021, 5 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) 10.9 μg/m3 (46) 46.0
 
Jan. 21, 2021, 4 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) 12.0 μg/m3 (50) 50.0
 
Jan. 21, 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) 12.1 μg/m3 (51) 51.0
 
Jan. 21, 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) 10.4 μg/m3 (44) 44.0
 
Jan. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 31.0 μg/m3 (29) 13.7 μg/m3 (55) 55.0
 
Jan. 21, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 29.0 μg/m3 (27) 13.8 μg/m3 (55) 55.0
 
Jan. 20, 2021, 11 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) 13.6 μg/m3 (55) 55.0
 
Jan. 20, 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) 9.0 μg/m3 (38) 38.0
 
Jan. 20, 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) 7.7 μg/m3 (33) 36.0
 
Jan. 20, 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) 9.0 μg/m3 (38) 48.0
 
Jan. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 57.0 μg/m3 (52) 9.5 μg/m3 (40) 52.0
 
Jan. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 55.0 μg/m3 (51) 8.3 μg/m3 (35) 51.0
 
Jan. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 7.5 μg/m3 (32) 35.0
 
Jan. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 8.2 μg/m3 (35) 35.0
 
Jan. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (33) 9.9 μg/m3 (42) 42.0
 
Jan. 20, 2021, 2 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) 10.8 μg/m3 (46) 46.0
 
Jan. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 45.0 μg/m3 (42) 11.0 μg/m3 (46) 46.0
 
Jan. 20, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 10.6 μg/m3 (45) 45.0
 
Jan. 20, 2021, 11 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) 10.1 μg/m3 (43) 43.0
 
Jan. 20, 2021, 10 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) 9.5 μg/m3 (40) 40.0
 
Jan. 20, 2021, 9 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) 8.8 μg/m3 (37) 37.0
 
Jan. 20, 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) 7.8 μg/m3 (33) 33.0
 
Jan. 20, 2021, 7 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) 9.5 μg/m3 (40) 40.0
 
Jan. 20, 2021, 6 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) 8.5 μg/m3 (36) 36.0
 
Jan. 20, 2021, 5 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) 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 4 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) 8.0 μg/m3 (34) 34.0
 
Jan. 20, 2021, 3 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) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2021, 2 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) 7.1 μg/m3 (30) 30.0
 
Jan. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 50.0 μg/m3 (47) 17.4 μg/m3 (63) 63.0
 
Jan. 20, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (55) 19.3 μg/m3 (67) 67.0
 
Jan. 19, 2021, 11 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) 9.3 μg/m3 (39) 39.0
 
Jan. 19, 2021, 10 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) 5.4 μg/m3 (23) 27.0
 
Jan. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 5.1 μg/m3 (22) 22.0
 
Jan. 19, 2021, 8 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) 5.7 μg/m3 (24) 24.0
 
Jan. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 6.2 μg/m3 (26) 26.0
 
Jan. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 6.8 μg/m3 (29) 29.0
 
Jan. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 7.6 μg/m3 (32) 32.0
 
Jan. 19, 2021, 4 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) 7.9 μg/m3 (33) 33.0
 
Jan. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 6.8 μg/m3 (29) 29.0
 
Jan. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 6.3 μg/m3 (27) 27.0
 
Jan. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 6.5 μg/m3 (28) 28.0
 
Jan. 19, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 5.8 μg/m3 (25) 25.0
 
Jan. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 5.6 μg/m3 (24) 24.0
 
Jan. 19, 2021, 10 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) 6.3 μg/m3 (27) 27.0
 
Jan. 19, 2021, 9 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) 5.8 μg/m3 (25) 25.0
 
Jan. 19, 2021, 8 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) 5.6 μg/m3 (24) 24.0
 
Jan. 19, 2021, 7 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) 4.9 μg/m3 (21) 21.0
 
Jan. 19, 2021, 6 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) 5.9 μg/m3 (25) 25.0
 
Jan. 19, 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) 5.0 μg/m3 (21) 21.0
 
Jan. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 4.2 μg/m3 (18) 18.0
 
Jan. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 3.8 μg/m3 (16) 16.0
 
Jan. 19, 2021, 2 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) 6.1 μg/m3 (26) 26.0
 
Jan. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 10.1 μg/m3 (43) 43.0
 
Jan. 19, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 41.0 μg/m3 (38) 11.2 μg/m3 (47) 47.0
 
Jan. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 6.4 μg/m3 (27) 31.0
 
Jan. 18, 2021, 10 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) 4.9 μg/m3 (21) 21.0
 
Jan. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 4.8 μg/m3 (20) 20.0
 
Jan. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 21.0 μg/m3 (20) 4.2 μg/m3 (18) 20.0
 
Jan. 18, 2021, 7 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) 5.0 μg/m3 (21) 26.0
 
Jan. 18, 2021, 6 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) 5.4 μg/m3 (23) 34.0
 
Jan. 18, 2021, 5 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) 5.2 μg/m3 (22) 27.0
 
Jan. 18, 2021, 4 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) 5.2 μg/m3 (22) 25.0
 
Jan. 18, 2021, 3 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) 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2021, 2 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) 6.9 μg/m3 (29) 29.0
 
Jan. 18, 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) 6.0 μg/m3 (25) 25.0
 
Jan. 18, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 22.0 μg/m3 (21) 5.6 μg/m3 (24) 24.0
 
Jan. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
Jan. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
Jan. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
Jan. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 4.4 μg/m3 (19) 19.0
 
Jan. 18, 2021, 7 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) 5.7 μg/m3 (24) 24.0
 
Jan. 18, 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) 7.0 μg/m3 (30) 30.0
 
Jan. 18, 2021, 5 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) 6.2 μg/m3 (26) 26.0
 
Jan. 18, 2021, 4 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) 6.7 μg/m3 (28) 28.0
 
Jan. 18, 2021, 3 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) 4.9 μg/m3 (21) 21.0
 
Jan. 18, 2021, 2 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) 4.5 μg/m3 (19) 19.0
 
Jan. 18, 2021, 1 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) 4.7 μg/m3 (20) 21.0
 
Jan. 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
Jan. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 2.7 μg/m3 (12) 12.0
 
Jan. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) 1.5 μg/m3 (7) 7.0
 
Jan. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 6.0 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
Jan. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 7.0 μg/m3 (7) 1.5 μg/m3 (7) 7.0
 
Jan. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 1.5 μg/m3 (7) 8.0
 
Jan. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
Jan. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
Jan. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 1.8 μg/m3 (8) 9.0
 
Jan. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
Jan. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 2.6 μg/m3 (11) 11.0
 
Jan. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 8.0 μg/m3 (8) 2.5 μg/m3 (11) 11.0
 
Jan. 17, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 2.4 μg/m3 (10) 10.0
 
Jan. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 3.2 μg/m3 (14) 14.0
 
Jan. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) 4.2 μg/m3 (18) 18.0
 
Jan. 17, 2021, 9 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) 5.1 μg/m3 (22) 22.0
 
Jan. 17, 2021, 8 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) 6.7 μg/m3 (28) 28.0
 
Jan. 17, 2021, 7 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) 7.6 μg/m3 (32) 32.0
 
Jan. 17, 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) 9.2 μg/m3 (39) 39.0
 
Jan. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 33.0 μg/m3 (31) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2021, 4 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) 13.0 μg/m3 (53) 53.0
 
Jan. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 8.5 μg/m3 (36) 37.0
 
Jan. 17, 2021, 2 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) 8.9 μg/m3 (38) 38.0
 
Jan. 17, 2021, 1 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) 4.8 μg/m3 (20) 28.0
 
Jan. 17, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 26.0 μg/m3 (25) 4.6 μg/m3 (20) 25.0
 
Jan. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 19.0 μg/m3 (18) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 3.1 μg/m3 (13) 14.0
 
Jan. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 2.4 μg/m3 (10) 10.0
 
Jan. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 2.5 μg/m3 (11) 11.0
 
Jan. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 2.7 μg/m3 (12) 12.0
 
Jan. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 3.2 μg/m3 (14) 14.0
 
Jan. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 3.4 μg/m3 (15) 15.0
 
Jan. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 3.4 μg/m3 (15) 15.0
 
Jan. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 12.0 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
Jan. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
Jan. 16, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 3.5 μg/m3 (15) 15.0
 
Jan. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 4.2 μg/m3 (18) 18.0
 
Jan. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 4.6 μg/m3 (20) 20.0
 
Jan. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 10.0 μg/m3 (10) 4.4 μg/m3 (19) 19.0
 
Jan. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 5.8 μg/m3 (25) 25.0
 
Jan. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A 5.6 μg/m3 (24) 24.0
 
Jan. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 4.7 μg/m3 (20) 20.0
 
Jan. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
Jan. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 15.0 μg/m3 (14) 3.9 μg/m3 (17) 17.0
 
Jan. 16, 2021, 1 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) 4.5 μg/m3 (19) 24.0
 
Jan. 16, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Jan. 15, 2021, 11 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) 5.3 μg/m3 (23) 27.0
 
Jan. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 37.0 μg/m3 (35) 5.8 μg/m3 (25) 35.0
 
Jan. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (33) 5.3 μg/m3 (23) 33.0
 
Jan. 15, 2021, 8 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) 4.9 μg/m3 (21) 26.0
 
Jan. 15, 2021, 7 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) 5.5 μg/m3 (23) 37.0
 
Jan. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 34.0 μg/m3 (32) 5.0 μg/m3 (21) 32.0
 
Jan. 15, 2021, 5 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) 5.1 μg/m3 (22) 38.0
 
Jan. 15, 2021, 4 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) 5.1 μg/m3 (22) 36.0
 
Jan. 15, 2021, 3 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) 5.6 μg/m3 (24) 36.0
 
Jan. 15, 2021, 2 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) 6.1 μg/m3 (26) 38.0
 
Jan. 15, 2021, 1 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) 5.6 μg/m3 (24) 44.0
 
Jan. 15, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 39.0 μg/m3 (37) 4.5 μg/m3 (19) 37.0
 
Jan. 15, 2021, 11 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) 3.7 μg/m3 (16) 21.0
 
Jan. 15, 2021, 10 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) 3.3 μg/m3 (14) 18.0
 
Jan. 15, 2021, 9 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) 3.1 μg/m3 (13) 18.0
 
Jan. 15, 2021, 8 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) 3.2 μg/m3 (14) 19.0
 
Jan. 15, 2021, 7 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) 3.8 μg/m3 (16) 23.0
 
Jan. 15, 2021, 6 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) 3.8 μg/m3 (16) 22.0
 
Jan. 15, 2021, 5 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) 4.3 μg/m3 (18) 22.0
 
Jan. 15, 2021, 4 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) 3.7 μg/m3 (16) 24.0
 
Jan. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 35.0 μg/m3 (33) 4.7 μg/m3 (20) 33.0
 
Jan. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 48.0 μg/m3 (45) 5.8 μg/m3 (25) 45.0
 
Jan. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 50.0 μg/m3 (47) 5.5 μg/m3 (23) 47.0
 
Jan. 15, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 40.0 μg/m3 (38) 5.5 μg/m3 (23) 38.0
 
Jan. 14, 2021, 11 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) 4.8 μg/m3 (20) 29.0
 
Jan. 14, 2021, 10 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) 4.1 μg/m3 (18) 27.0
 
Jan. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 24.0 μg/m3 (23) 3.8 μg/m3 (16) 23.0
 
Jan. 14, 2021, 8 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) 4.4 μg/m3 (19) 26.0
 
Jan. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 43.0 μg/m3 (40) 5.5 μg/m3 (23) 40.0
 
Jan. 14, 2021, 6 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) 5.4 μg/m3 (23) 38.0
 
Jan. 14, 2021, 5 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) 7.1 μg/m3 (30) 52.0
 
Jan. 14, 2021, 4 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) 8.2 μg/m3 (35) 47.0
 
Jan. 14, 2021, 3 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) 7.5 μg/m3 (32) 38.0
 
Jan. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 46.0 μg/m3 (43) 7.6 μg/m3 (32) 43.0
 
Jan. 14, 2021, 1 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) 8.9 μg/m3 (38) 44.0
 
Jan. 14, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 50.0 μg/m3 (47) 8.3 μg/m3 (35) 47.0
 
Jan. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 36.0 μg/m3 (34) 9.3 μg/m3 (39) 39.0
 
Jan. 14, 2021, 10 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) 10.3 μg/m3 (43) 43.0
 
Jan. 14, 2021, 9 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) 10.7 μg/m3 (45) 45.0