ID: 2407

AQSQID: 060270029

Site Name: North Beach

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

Updated: Sept. 21, 2021, 4:06 p.m.

Location: Death Valley (92328), CA

Reporting: True, Located: True

Current AQI: 49.0

Death Valley (92328) CA, US: 36.542233, -117.990055

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) N/A 49.0
 
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Sept. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Sept. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A -3.0 μg/m3 (0) N/A 0.0
Sept. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Sept. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Sept. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) N/A 5.0
 
Sept. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Sept. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.0 μg/m3 (46) N/A 46.0
 
Sept. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) N/A 35.0
 
Sept. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Sept. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Sept. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.0 μg/m3 (37) N/A 37.0
 
Sept. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) N/A 31.0
 
Sept. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.0 μg/m3 (50) N/A 50.0
 
Sept. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) N/A 35.0
 
Sept. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Sept. 18, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) N/A 10.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) N/A 38.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) N/A 52.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.0 μg/m3 (63) N/A 63.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 115.0 μg/m3 (81) N/A 81.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 141.0 μg/m3 (94) N/A 94.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 164.0 μg/m3 (106) N/A 106.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 133.0 μg/m3 (90) N/A 90.0
 
Sept. 17, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 106.0 μg/m3 (77) N/A 77.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (67) N/A 67.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 85.0 μg/m3 (66) N/A 66.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) N/A 49.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) N/A 41.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) N/A 53.0
 
Sept. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (59) N/A 59.0
 
Sept. 17, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.0 μg/m3 (52) N/A 52.0
 
Sept. 17, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (59) N/A 59.0
 
Sept. 17, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 100.0 μg/m3 (74) N/A 74.0
 
Sept. 17, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 137.0 μg/m3 (92) N/A 92.0
 
Sept. 17, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 157.0 μg/m3 (102) N/A 102.0
 
Sept. 17, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 174.0 μg/m3 (111) N/A 111.0
 
Sept. 16, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 120.0 μg/m3 (84) N/A 84.0
 
Sept. 16, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 109.0 μg/m3 (78) N/A 78.0
 
Sept. 16, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.0 μg/m3 (58) N/A 58.0
 
Sept. 16, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.0 μg/m3 (62) N/A 62.0
 
Sept. 16, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) N/A 60.0
 
Sept. 16, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 65.0 μg/m3 (56) N/A 56.0
 
Sept. 16, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) N/A 53.0
 
Sept. 16, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 74.0 μg/m3 (61) N/A 61.0
 
Sept. 16, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 81.0 μg/m3 (64) N/A 64.0
 
Sept. 16, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 99.0 μg/m3 (73) N/A 73.0
 
Sept. 16, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 105.0 μg/m3 (76) N/A 76.0
 
Sept. 16, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 109.0 μg/m3 (78) N/A 78.0
 
Sept. 16, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 97.0 μg/m3 (72) N/A 72.0
 
Sept. 16, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 104.0 μg/m3 (76) N/A 76.0
 
Sept. 16, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 92.0 μg/m3 (70) N/A 70.0
 
Sept. 16, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 96.0 μg/m3 (72) N/A 72.0
 
Sept. 16, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 123.0 μg/m3 (85) N/A 85.0
 
Sept. 16, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 140.0 μg/m3 (94) N/A 94.0
 
Sept. 16, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 126.0 μg/m3 (87) N/A 87.0
 
Sept. 16, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.0 μg/m3 (59) N/A 59.0
 
Sept. 16, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 82.0 μg/m3 (65) N/A 65.0
 
Sept. 16, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 94.0 μg/m3 (71) N/A 71.0
 
Sept. 16, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) N/A 34.0
 
Sept. 16, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Sept. 15, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Sept. 15, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 15, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Sept. 15, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Sept. 15, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Sept. 15, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Sept. 15, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Sept. 15, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.0 μg/m3 (25) N/A 25.0
 
Sept. 15, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Sept. 15, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) N/A 45.0
 
Sept. 15, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 15, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) N/A 26.0
 
Sept. 15, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Sept. 15, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.0 μg/m3 (30) N/A 30.0
 
Sept. 15, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) N/A 33.0
 
Sept. 15, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 15, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Sept. 15, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 15, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 15, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 15, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Sept. 15, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 43.0 μg/m3 (40) N/A 40.0
 
Sept. 15, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Sept. 15, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Sept. 14, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) N/A 35.0
 
Sept. 14, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) N/A 20.0
 
Sept. 14, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Sept. 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) N/A 19.0
 
Sept. 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.0 μg/m3 (38) N/A 38.0
 
Sept. 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.0 μg/m3 (45) N/A 45.0
 
Sept. 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.0 μg/m3 (48) N/A 48.0
 
Sept. 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.0 μg/m3 (41) N/A 41.0
 
Sept. 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.0 μg/m3 (59) N/A 59.0
 
Sept. 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) N/A 53.0
 
Sept. 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) N/A 53.0
 
Sept. 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) N/A 52.0
 
Sept. 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.0 μg/m3 (57) N/A 57.0
 
Sept. 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 79.0 μg/m3 (63) N/A 63.0
 
Sept. 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 86.0 μg/m3 (67) N/A 67.0
 
Sept. 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 13, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Sept. 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) N/A 28.0
 
Sept. 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 35.0 μg/m3 (33) N/A 33.0
 
Sept. 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) N/A 29.0
 
Sept. 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) N/A 23.0
 
Sept. 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Sept. 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) N/A 24.0
 
Sept. 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) N/A 25.0
 
Sept. 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Sept. 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Sept. 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Sept. 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) N/A 12.0
 
Sept. 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Sept. 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) N/A 6.0
 
Sept. 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Sept. 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Sept. 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) N/A 4.0
 
Sept. 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0
 
Sept. 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Sept. 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) N/A 15.0
 
Sept. 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) N/A 13.0
 
Sept. 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Sept. 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Sept. 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) N/A 14.0
 
Sept. 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) N/A 13.0
 
Sept. 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Sept. 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) N/A 18.0
 
Sept. 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Sept. 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) N/A 21.0
 
Sept. 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) N/A 32.0
 
Sept. 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) N/A 27.0
 
Sept. 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) N/A 22.0
 
Sept. 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) N/A 17.0
 
Sept. 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) N/A 16.0
 
Sept. 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) N/A 11.0
 
Sept. 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) N/A 9.0
 
Sept. 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) N/A 7.0