ID: 2111

AQSQID: 400710604

Site Name: Ponca City

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

Updated: April 20, 2021, 9:43 a.m.

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

Reporting: True, Located: True

Current AQI: 33.0

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
April 20, 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) 7.7 μg/m3 (33) 33.0
 
April 20, 2021, 7 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) 7.8 μg/m3 (33) 33.0
 
April 20, 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) 10.1 μg/m3 (43) 43.0
 
April 20, 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) 11.2 μg/m3 (47) 47.0
 
April 20, 2021, 4 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) 10.4 μg/m3 (44) 44.0
 
April 20, 2021, 3 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) 9.0 μg/m3 (38) 38.0
 
April 20, 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) 15.3 μg/m3 (58) 58.0
 
April 20, 2021, 1 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) 24.2 μg/m3 (77) 77.0
 
April 20, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 55.0 μg/m3 (51) 36.9 μg/m3 (105) 105.0
 
April 19, 2021, 11 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) 16.0 μg/m3 (60) 60.0
 
April 19, 2021, 10 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) 9.5 μg/m3 (40) 40.0
 
April 19, 2021, 9 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) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
April 19, 2021, 6 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) 8.1 μg/m3 (34) 34.0
 
April 19, 2021, 5 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) 8.1 μg/m3 (34) 34.0
 
April 19, 2021, 4 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) 9.6 μg/m3 (40) 40.0
 
April 19, 2021, 3 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) 13.0 μg/m3 (53) 53.0
 
April 19, 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) 12.6 μg/m3 (53) 53.0
 
April 19, 2021, 1 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) 14.0 μg/m3 (55) 55.0
 
April 19, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 28.0 μg/m3 (26) 13.9 μg/m3 (55) 55.0
 
April 19, 2021, 11 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) 12.4 μg/m3 (52) 52.0
 
April 19, 2021, 10 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) 10.9 μg/m3 (46) 46.0
 
April 19, 2021, 9 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) 10.5 μg/m3 (44) 44.0
 
April 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) 10.1 μg/m3 (43) 43.0
 
April 19, 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) 10.4 μg/m3 (44) 44.0
 
April 19, 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) 10.3 μg/m3 (43) 43.0
 
April 19, 2021, 5 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) 10.9 μg/m3 (46) 46.0
 
April 19, 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) 12.1 μg/m3 (51) 51.0
 
April 19, 2021, 3 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) 13.8 μg/m3 (55) 55.0
 
April 19, 2021, 2 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) 9.2 μg/m3 (39) 39.0
 
April 19, 2021, 1 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) 5.9 μg/m3 (25) 25.0
 
April 19, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 5.6 μg/m3 (24) 24.0
 
April 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 7.9 μg/m3 (33) 33.0
 
April 18, 2021, 10 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) 6.2 μg/m3 (26) 26.0
 
April 18, 2021, 9 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) 4.5 μg/m3 (19) 19.0
 
April 18, 2021, 8 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) 4.3 μg/m3 (18) 18.0
 
April 18, 2021, 7 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) 4.2 μg/m3 (18) 18.0
 
April 18, 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) 4.4 μg/m3 (19) 19.0
 
April 18, 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) 5.0 μg/m3 (21) 21.0
 
April 18, 2021, 4 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) 4.8 μg/m3 (20) 20.0
 
April 18, 2021, 3 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) 4.6 μg/m3 (20) 20.0
 
April 18, 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) 4.4 μg/m3 (19) 19.0
 
April 18, 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) 5.4 μg/m3 (23) 23.0
 
April 18, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 11.0 μg/m3 (11) 7.0 μg/m3 (30) 30.0
 
April 18, 2021, 11 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) 7.3 μg/m3 (31) 31.0
 
April 18, 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) 8.0 μg/m3 (34) 34.0
 
April 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) 9.2 μg/m3 (39) 39.0
 
April 18, 2021, 8 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) 9.9 μg/m3 (42) 42.0
 
April 18, 2021, 7 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) 10.9 μg/m3 (46) 46.0
 
April 18, 2021, 6 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) 11.8 μg/m3 (50) 50.0
 
April 18, 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) 11.6 μg/m3 (49) 49.0
 
April 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) 12.5 μg/m3 (52) 52.0
 
April 18, 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) 12.2 μg/m3 (52) 52.0
 
April 18, 2021, 2 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) 12.7 μg/m3 (53) 53.0
 
April 18, 2021, 1 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) 12.1 μg/m3 (51) 51.0
 
April 18, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 10.5 μg/m3 (44) 44.0
 
April 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
April 17, 2021, 10 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) 6.9 μg/m3 (29) 29.0
 
April 17, 2021, 9 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) 6.4 μg/m3 (27) 27.0
 
April 17, 2021, 8 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) 7.4 μg/m3 (31) 31.0
 
April 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.4 μg/m3 (44) 44.0
 
April 17, 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) 12.7 μg/m3 (53) 53.0
 
April 17, 2021, 5 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) 13.1 μg/m3 (54) 54.0
 
April 17, 2021, 4 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) 12.3 μg/m3 (52) 52.0
 
April 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 18.0 μg/m3 (17) 10.7 μg/m3 (45) 45.0
 
April 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.5 μg/m3 (40) 40.0
 
April 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 10.2 μg/m3 (43) 43.0
 
April 17, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 16.0 μg/m3 (15) 12.8 μg/m3 (53) 53.0
 
April 17, 2021, 11 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) 16.1 μg/m3 (60) 60.0
 
April 17, 2021, 10 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) 15.4 μg/m3 (58) 58.0
 
April 17, 2021, 9 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) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 8 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) 11.0 μg/m3 (46) 46.0
 
April 17, 2021, 7 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) 12.9 μg/m3 (53) 53.0
 
April 17, 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) 13.9 μg/m3 (55) 55.0
 
April 17, 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) 14.6 μg/m3 (57) 57.0
 
April 17, 2021, 4 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) 17.5 μg/m3 (63) 63.0
 
April 17, 2021, 3 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) 14.6 μg/m3 (57) 57.0
 
April 17, 2021, 2 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) 9.6 μg/m3 (40) 40.0
 
April 17, 2021, 1 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) 7.7 μg/m3 (33) 33.0
 
April 17, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 9.0 μg/m3 (9) 5.6 μg/m3 (24) 24.0
 
April 16, 2021, 11 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) 4.9 μg/m3 (21) 21.0
 
April 16, 2021, 10 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) 5.5 μg/m3 (23) 23.0
 
April 16, 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) 3.7 μg/m3 (16) 16.0
 
April 16, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 3.0 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
April 16, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 4.0 μg/m3 (4) 2.7 μg/m3 (12) 12.0
 
April 16, 2021, 6 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) 4.7 μg/m3 (20) 20.0
 
April 16, 2021, 5 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) 7.6 μg/m3 (32) 32.0
 
April 16, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 13.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
April 16, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 14.0 μg/m3 (13) 9.7 μg/m3 (41) 41.0
 
April 16, 2021, 2 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) 10.2 μg/m3 (43) 43.0
 
April 16, 2021, 1 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) 10.7 μg/m3 (45) 45.0
 
April 16, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 17.0 μg/m3 (16) 11.5 μg/m3 (48) 48.0
 
April 16, 2021, 11 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) 11.9 μg/m3 (50) 50.0
 
April 16, 2021, 10 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) 10.5 μg/m3 (44) 44.0
 
April 16, 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) 13.0 μg/m3 (53) 53.0
 
April 16, 2021, 8 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) 19.7 μg/m3 (67) 67.0
 
April 16, 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) 16.7 μg/m3 (61) 61.0
 
April 16, 2021, 6 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) 22.2 μg/m3 (73) 73.0
 
April 16, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 46.0 μg/m3 (43) 29.8 μg/m3 (89) 89.0
 
April 16, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 42.0 μg/m3 (39) 26.8 μg/m3 (82) 82.0
 
April 16, 2021, 3 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) 39.9 μg/m3 (112) 112.0
 
April 16, 2021, 2 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) 36.7 μg/m3 (104) 104.0
 
April 16, 2021, 1 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) 36.0 μg/m3 (103) 103.0
 
April 16, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 60.0 μg/m3 (54) 34.2 μg/m3 (98) 98.0
 
April 15, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 52.0 μg/m3 (49) 21.8 μg/m3 (72) 72.0
 
April 15, 2021, 10 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) 24.2 μg/m3 (77) 77.0
 
April 15, 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) 15.2 μg/m3 (58) 58.0
 
April 15, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 11.3 μg/m3 (48) 48.0
 
April 15, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 11.3 μg/m3 (48) 48.0
 
April 15, 2021, 6 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 13.1 μg/m3 (54) 54.0
 
April 15, 2021, 5 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) 21.5 μg/m3 (71) 71.0
 
April 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) 16.1 μg/m3 (60) 60.0
 
April 15, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 32.0 μg/m3 (30) 14.8 μg/m3 (57) 57.0
 
April 15, 2021, 2 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) 15.8 μg/m3 (59) 59.0
 
April 15, 2021, 1 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) 17.0 μg/m3 (62) 62.0
 
April 15, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 18.1 μg/m3 (64) 64.0
 
April 15, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 43.0 μg/m3 (40) 22.0 μg/m3 (72) 72.0
 
April 15, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 62.0 μg/m3 (55) 38.1 μg/m3 (108) 108.0
 
April 15, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 99.0 μg/m3 (73) 69.4 μg/m3 (159) 159.0
 
April 15, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 104.0 μg/m3 (76) 71.5 μg/m3 (160) 160.0
 
April 15, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 81.0 μg/m3 (64) 52.7 μg/m3 (144) 144.0
 
April 15, 2021, 6 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) 33.4 μg/m3 (96) 96.0
 
April 15, 2021, 5 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) 27.2 μg/m3 (83) 83.0
 
April 15, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 38.0 μg/m3 (36) 22.1 μg/m3 (73) 73.0
 
April 15, 2021, 3 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) 29.6 μg/m3 (88) 88.0
 
April 15, 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) 32.2 μg/m3 (94) 94.0
 
April 15, 2021, 1 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) 28.0 μg/m3 (85) 85.0
 
April 15, 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) 29.7 μg/m3 (89) 89.0
 
April 14, 2021, 11 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) 24.0 μg/m3 (77) 77.0
 
April 14, 2021, 10 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) 24.1 μg/m3 (77) 77.0
 
April 14, 2021, 9 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) 16.2 μg/m3 (60) 60.0
 
April 14, 2021, 8 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) 20.6 μg/m3 (69) 69.0
 
April 14, 2021, 7 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) 31.9 μg/m3 (93) 93.0
 
April 14, 2021, 6 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) 29.0 μg/m3 (87) 87.0
 
April 14, 2021, 5 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) 27.9 μg/m3 (85) 85.0
 
April 14, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 60.0 μg/m3 (54) 35.0 μg/m3 (100) 100.0
 
April 14, 2021, 3 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 58.0 μg/m3 (53) 34.1 μg/m3 (98) 98.0
 
April 14, 2021, 2 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) 49.6 μg/m3 (136) 136.0
 
April 14, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 113.0 μg/m3 (80) 77.6 μg/m3 (163) 163.0
 
April 14, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 122.0 μg/m3 (85) 85.6 μg/m3 (167) 167.0
 
April 14, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 124.0 μg/m3 (86) 91.4 μg/m3 (170) 170.0
 
April 14, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 108.0 μg/m3 (78) 77.6 μg/m3 (163) 163.0
 
April 14, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 111.0 μg/m3 (79) 81.7 μg/m3 (165) 165.0
 
April 14, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 107.0 μg/m3 (77) 77.0 μg/m3 (163) 163.0
 
April 14, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 105.0 μg/m3 (76) 72.5 μg/m3 (160) 160.0
 
April 14, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 103.0 μg/m3 (75) 71.4 μg/m3 (160) 160.0
 
April 14, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 92.0 μg/m3 (70) 62.2 μg/m3 (155) 155.0
 
April 14, 2021, 4 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 101.0 μg/m3 (74) 73.1 μg/m3 (161) 161.0
 
April 14, 2021, 3 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 96.0 μg/m3 (72) 69.4 μg/m3 (159) 159.0
 
April 14, 2021, 2 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) 43.6 μg/m3 (121) 121.0
 
April 14, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 79.0 μg/m3 (63) 48.4 μg/m3 (133) 133.0
 
April 14, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 79.0 μg/m3 (63) 47.5 μg/m3 (131) 131.0
 
April 13, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 101.0 μg/m3 (74) N/A 74.0
 
April 13, 2021, 10 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) 21.1 μg/m3 (70) 70.0
 
April 13, 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) 15.8 μg/m3 (59) 59.0
 
April 13, 2021, 8 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) 19.2 μg/m3 (66) 66.0
 
April 13, 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) 16.0 μg/m3 (60) 60.0
 
April 13, 2021, 6 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) 6.4 μg/m3 (27) 27.0
 
April 13, 2021, 5 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) 6.7 μg/m3 (28) 28.0
 
April 13, 2021, 4 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) 7.0 μg/m3 (30) 30.0
 
April 13, 2021, 3 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) 6.6 μg/m3 (28) 28.0
 
April 13, 2021, 2 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) 10.1 μg/m3 (43) 43.0
 
April 13, 2021, 1 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 63.0 μg/m3 (55) N/A 55.0
 
April 13, 2021, noon N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 133.0 μg/m3 (90) 97.3 μg/m3 (173) 173.0
 
April 13, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 142.0 μg/m3 (95) 111.0 μg/m3 (180) 180.0
 
April 13, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 130.0 μg/m3 (89) 101.2 μg/m3 (175) 175.0
 
April 13, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 117.0 μg/m3 (82) 90.2 μg/m3 (169) 169.0
 
April 13, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A 107.0 μg/m3 (77) 85.0 μg/m3 (167) 167.0