ID: 162

AQSQID: 060510001

Site Name: Mammoth Lakes

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

Updated: March 7, 2021, 2:32 p.m.

Location: Mammoth Lakes (Mill City), CA

Reporting: True, Located: True

Current AQI: 25.0

Mammoth Lakes (Mill City) CA, US: 37.645718, -118.966515

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 5.9 μg/m3 (25) 25.0
 
March 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) 3.6 μg/m3 (16) 16.0
 
March 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 3.9 μg/m3 (17) 17.0
 
March 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 6.7 μg/m3 (28) 28.0
 
March 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.6 μg/m3 (22) 15.1 μg/m3 (58) 58.0
 
March 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.0 μg/m3 (35) 22.2 μg/m3 (73) 73.0
 
March 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.9 μg/m3 (51) 35.2 μg/m3 (100) 100.0
 
March 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.4 μg/m3 (61) 47.2 μg/m3 (130) 130.0
 
March 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.5 μg/m3 (48) 31.2 μg/m3 (92) 92.0
 
March 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.9 μg/m3 (33) 20.9 μg/m3 (70) 70.0
 
March 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 10.1 μg/m3 (43) 43.0
 
March 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 8.7 μg/m3 (37) 37.0
 
March 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 7.7 μg/m3 (33) 33.0
 
March 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
March 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 5.4 μg/m3 (23) 23.0
 
March 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 5.1 μg/m3 (22) 22.0
 
March 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 5.8 μg/m3 (25) 25.0
 
March 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 6.0 μg/m3 (25) 25.0
 
March 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.2 μg/m3 (18) 6.4 μg/m3 (27) 27.0
 
March 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 6.5 μg/m3 (28) 28.0
 
March 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 7.8 μg/m3 (33) 33.0
 
March 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.4 μg/m3 (22) 8.9 μg/m3 (38) 38.0
 
March 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (24) 8.7 μg/m3 (37) 37.0
 
March 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (32) 10.1 μg/m3 (43) 43.0
 
March 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 73.0 μg/m3 (60) 11.8 μg/m3 (50) 60.0
 
March 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 40.7 μg/m3 (38) 12.2 μg/m3 (52) 52.0
 
March 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.7 μg/m3 (36) 10.9 μg/m3 (46) 46.0
 
March 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.2 μg/m3 (23) 8.7 μg/m3 (37) 37.0
 
March 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.2 μg/m3 (28) 8.1 μg/m3 (34) 34.0
 
March 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.1 μg/m3 (39) 7.3 μg/m3 (31) 39.0
 
March 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (33) 7.3 μg/m3 (31) 33.0
 
March 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (26) 8.2 μg/m3 (35) 35.0
 
March 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.2 μg/m3 (21) 7.5 μg/m3 (32) 32.0
 
March 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
March 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 6.2 μg/m3 (26) 26.0
 
March 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 6.7 μg/m3 (28) 28.0
 
March 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
March 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 5.4 μg/m3 (23) 23.0
 
March 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
March 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 4.7 μg/m3 (20) 20.0
 
March 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
March 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 4.3 μg/m3 (18) 18.0
 
March 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 4.4 μg/m3 (19) 19.0
 
March 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 4.8 μg/m3 (20) 20.0
 
March 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 5.8 μg/m3 (25) 25.0
 
March 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.7 μg/m3 (45) 16.2 μg/m3 (60) 60.0
 
March 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.0 μg/m3 (54) 28.3 μg/m3 (86) 86.0
 
March 5, 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) 14.9 μg/m3 (57) 57.0
 
March 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 9.3 μg/m3 (39) 39.0
 
March 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.6 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
March 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.8 μg/m3 (25) 15.3 μg/m3 (58) 58.0
 
March 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.5 μg/m3 (28) 16.3 μg/m3 (60) 60.0
 
March 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.4 μg/m3 (32) 17.9 μg/m3 (64) 64.0
 
March 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 27.6 μg/m3 (84) 84.0
 
March 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 29.0 μg/m3 (87) 87.0
 
March 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.0 μg/m3 (49) 31.1 μg/m3 (91) 91.0
 
March 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 68.8 μg/m3 (58) 42.4 μg/m3 (118) 118.0
 
March 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 63.5 μg/m3 (56) 37.4 μg/m3 (106) 106.0
 
March 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (25) 12.5 μg/m3 (52) 52.0
 
March 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (24) 11.3 μg/m3 (48) 48.0
 
March 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.2 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
March 5, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 5.6 μg/m3 (24) 24.0
 
March 4, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
March 4, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
March 4, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 4.2 μg/m3 (18) 18.0
 
March 4, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
March 4, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (14) 4.4 μg/m3 (19) 19.0
 
March 4, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 4.9 μg/m3 (21) 21.0
 
March 4, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 5.1 μg/m3 (22) 22.0
 
March 4, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.7 μg/m3 (34) 11.8 μg/m3 (50) 50.0
 
March 4, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.3 μg/m3 (54) 28.7 μg/m3 (86) 86.0
 
March 4, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.0 μg/m3 (31) 17.7 μg/m3 (63) 63.0
 
March 4, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (28) 15.0 μg/m3 (58) 58.0
 
March 4, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 30.0 μg/m3 (28) 15.1 μg/m3 (58) 58.0
 
March 4, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 11.2 μg/m3 (47) 47.0
 
March 4, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 8.6 μg/m3 (36) 36.0
 
March 4, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 8.3 μg/m3 (35) 35.0
 
March 4, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 7.9 μg/m3 (33) 33.0
 
March 4, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.6 μg/m3 (19) 8.9 μg/m3 (38) 38.0
 
March 4, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.3 μg/m3 (30) 17.2 μg/m3 (62) 62.0
 
March 4, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.7 μg/m3 (35) 19.8 μg/m3 (68) 68.0
 
March 4, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.0 μg/m3 (26) 14.2 μg/m3 (56) 56.0
 
March 4, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (21) 8.4 μg/m3 (36) 36.0
 
March 4, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) 7.5 μg/m3 (32) 32.0
 
March 4, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) 5.7 μg/m3 (24) 24.0
 
March 4, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (19) 4.2 μg/m3 (18) 19.0
 
March 3, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 3.8 μg/m3 (16) 17.0
 
March 3, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (21) 4.4 μg/m3 (19) 21.0
 
March 3, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 3.9 μg/m3 (17) 17.0
 
March 3, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 3.9 μg/m3 (17) 18.0
 
March 3, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 3.8 μg/m3 (16) 19.0
 
March 3, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (16) 3.7 μg/m3 (16) 16.0
 
March 3, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) 5.7 μg/m3 (24) 24.0
 
March 3, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.4 μg/m3 (37) 11.7 μg/m3 (49) 49.0
 
March 3, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.4 μg/m3 (40) 18.0 μg/m3 (64) 64.0
 
March 3, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 9.8 μg/m3 (41) 41.0
 
March 3, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 5.8 μg/m3 (25) 25.0
 
March 3, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) 10.8 μg/m3 (46) 46.0
 
March 3, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 5.9 μg/m3 (25) 25.0
 
March 3, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) 6.9 μg/m3 (29) 29.0
 
March 3, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 8.4 μg/m3 (36) 36.0
 
March 3, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.8 μg/m3 (32) 19.0 μg/m3 (66) 66.0
 
March 3, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.7 μg/m3 (37) 22.9 μg/m3 (74) 74.0
 
March 3, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.4 μg/m3 (52) 33.3 μg/m3 (96) 96.0
 
March 3, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.5 μg/m3 (58) 41.6 μg/m3 (117) 117.0
 
March 3, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 83.0 μg/m3 (65) 51.4 μg/m3 (141) 141.0
 
March 3, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.5 μg/m3 (59) 42.3 μg/m3 (118) 118.0
 
March 3, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 71.3 μg/m3 (60) 38.8 μg/m3 (110) 110.0
 
March 3, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.7 μg/m3 (27) 12.0 μg/m3 (50) 50.0
 
March 3, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 3.7 μg/m3 (16) 16.0
 
March 2, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 3.5 μg/m3 (15) 15.0
 
March 2, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.7 μg/m3 (11) 3.6 μg/m3 (16) 16.0
 
March 2, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
March 2, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.8 μg/m3 (14) 4.6 μg/m3 (20) 20.0
 
March 2, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 4.2 μg/m3 (18) 18.0
 
March 2, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 4.3 μg/m3 (18) 18.0
 
March 2, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 3.8 μg/m3 (16) 16.0
 
March 2, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.3 μg/m3 (40) 14.5 μg/m3 (57) 57.0
 
March 2, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.6 μg/m3 (42) 22.6 μg/m3 (74) 74.0
 
March 2, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.8 μg/m3 (18) 10.7 μg/m3 (45) 45.0
 
March 2, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.1 μg/m3 (16) 10.1 μg/m3 (43) 43.0
 
March 2, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 8.0 μg/m3 (34) 34.0
 
March 2, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 7.5 μg/m3 (32) 32.0
 
March 2, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.4 μg/m3 (30) 18.5 μg/m3 (65) 65.0
 
March 2, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.6 μg/m3 (34) 22.0 μg/m3 (72) 72.0
 
March 2, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 50.3 μg/m3 (47) 32.3 μg/m3 (94) 94.0
 
March 2, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.0 μg/m3 (53) 39.5 μg/m3 (111) 111.0
 
March 2, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 84.4 μg/m3 (66) 55.3 μg/m3 (150) 150.0
 
March 2, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 78.5 μg/m3 (63) 49.9 μg/m3 (137) 137.0
 
March 2, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.7 μg/m3 (58) 42.5 μg/m3 (119) 119.0
 
March 2, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 58.0 μg/m3 (53) 30.6 μg/m3 (90) 90.0
 
March 2, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (25) 12.5 μg/m3 (52) 52.0
 
March 2, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.9 μg/m3 (34) 19.9 μg/m3 (68) 68.0
 
March 2, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) 12.9 μg/m3 (53) 53.0
 
March 1, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.3 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
March 1, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
March 1, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
March 1, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
March 1, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 3.1 μg/m3 (13) 13.0
 
March 1, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (10) 2.8 μg/m3 (12) 12.0
 
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 3.3 μg/m3 (14) 14.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.7 μg/m3 (33) 14.7 μg/m3 (57) 57.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (24) 11.8 μg/m3 (50) 50.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 6.2 μg/m3 (26) 26.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 12.4 μg/m3 (52) 52.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.6 μg/m3 (27) 17.4 μg/m3 (63) 63.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (31) 20.0 μg/m3 (68) 68.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.0 μg/m3 (34) 21.7 μg/m3 (72) 72.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.6 μg/m3 (51) 36.0 μg/m3 (103) 103.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 60.1 μg/m3 (54) 39.8 μg/m3 (112) 112.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 88.3 μg/m3 (68) 57.1 μg/m3 (152) 152.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 70.1 μg/m3 (59) 43.8 μg/m3 (122) 122.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 111.2 μg/m3 (79) 71.6 μg/m3 (160) 160.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 72.0 μg/m3 (60) 39.5 μg/m3 (111) 111.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.6 μg/m3 (33) 16.7 μg/m3 (61) 61.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 2.4 μg/m3 (10) 10.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 2.5 μg/m3 (11) 11.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 2.6 μg/m3 (11) 11.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) 2.2 μg/m3 (10) 10.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) 3.5 μg/m3 (15) 15.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 54.2 μg/m3 (51) 22.0 μg/m3 (72) 72.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.5 μg/m3 (38) 20.2 μg/m3 (69) 69.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 9.4 μg/m3 (40) 40.0