ID: 162

AQSQID: 060510001

Site Name: Mammoth Lakes

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

Updated: April 16, 2021, 12:43 p.m.

Location: Mammoth Lakes (Mill City), CA

Reporting: True, Located: True

Current AQI: 26.0

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 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 0.9 μg/m3 (4) 5.0
 
March 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) 0.8 μg/m3 (4) 4.0
 
March 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) 0.8 μg/m3 (4) 4.0
 
March 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
March 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
March 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) 4.1 μg/m3 (18) 18.0
 
March 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 2.2 μg/m3 (10) 10.0
 
March 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 3.3 μg/m3 (14) 14.0
 
March 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 8.3 μg/m3 (35) 35.0
 
March 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 7.8 μg/m3 (33) 33.0
 
March 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 6.1 μg/m3 (26) 26.0
 
March 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (22) 7.1 μg/m3 (30) 30.0
 
March 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.7 μg/m3 (22) 6.9 μg/m3 (29) 29.0
 
March 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
March 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 5.3 μg/m3 (23) 23.0
 
March 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 4.6 μg/m3 (20) 20.0
 
March 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) 4.8 μg/m3 (20) 20.0
 
March 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 4.7 μg/m3 (20) 20.0
 
March 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.8 μg/m3 (20) 20.0
 
March 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 4.6 μg/m3 (20) 20.0
 
March 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 4.8 μg/m3 (20) 20.0
 
March 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 4.7 μg/m3 (20) 20.0
 
March 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 4.8 μg/m3 (20) 20.0
 
March 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.3 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
March 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (18) 5.4 μg/m3 (23) 23.0
 
March 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 5.3 μg/m3 (23) 23.0
 
March 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
March 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
March 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.9 μg/m3 (17) 5.9 μg/m3 (25) 25.0
 
March 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 6.4 μg/m3 (27) 27.0
 
March 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 5.6 μg/m3 (24) 24.0
 
March 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) 8.6 μg/m3 (36) 36.0
 
March 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.1 μg/m3 (22) 9.0 μg/m3 (38) 38.0
 
March 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.8 μg/m3 (22) 7.2 μg/m3 (31) 31.0
 
March 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 23.9 μg/m3 (23) 6.5 μg/m3 (28) 28.0
 
March 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
March 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 4.6 μg/m3 (20) 20.0
 
March 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 4.4 μg/m3 (19) 19.0
 
March 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (21) 4.8 μg/m3 (20) 21.0
 
March 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.5 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
March 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (23) 4.4 μg/m3 (19) 23.0
 
March 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (32) 6.3 μg/m3 (27) 32.0
 
March 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.4 μg/m3 (28) 8.1 μg/m3 (34) 34.0
 
March 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 106.8 μg/m3 (77) 27.0 μg/m3 (83) 83.0
 
March 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 87.3 μg/m3 (67) 21.4 μg/m3 (71) 71.0
 
March 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.8 μg/m3 (29) 11.0 μg/m3 (46) 46.0
 
March 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 9.7 μg/m3 (41) 41.0
 
March 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) 5.6 μg/m3 (24) 24.0
 
March 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 5.8 μg/m3 (25) 25.0
 
March 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 3.9 μg/m3 (17) 17.0
 
March 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
March 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 3.9 μg/m3 (17) 17.0
 
March 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
March 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 4.0 μg/m3 (17) 17.0
 
March 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.6 μg/m3 (18) 3.7 μg/m3 (16) 18.0
 
March 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
March 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 3.5 μg/m3 (15) 15.0
 
March 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.0 μg/m3 (24) 3.8 μg/m3 (16) 24.0
 
March 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (20) 3.5 μg/m3 (15) 20.0
 
March 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 3.1 μg/m3 (13) 19.0
 
March 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 3.6 μg/m3 (16) 20.0
 
March 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 3.3 μg/m3 (14) 20.0
 
March 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 2.6 μg/m3 (11) 15.0
 
March 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 2.5 μg/m3 (11) 13.0
 
March 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 2.2 μg/m3 (10) 10.0
 
March 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) 2.1 μg/m3 (9) 9.0
 
March 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
March 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
March 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 1.6 μg/m3 (7) 8.0
 
March 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 0.9 μg/m3 (4) 6.0
 
March 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
March 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 1.3 μg/m3 (6) 11.0
 
March 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.7 μg/m3 (18) 5.5 μg/m3 (23) 23.0
 
March 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.4 μg/m3 (18) 6.3 μg/m3 (27) 27.0
 
March 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.8 μg/m3 (19) 6.4 μg/m3 (27) 27.0
 
March 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 6.9 μg/m3 (29) 29.0
 
March 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 7.3 μg/m3 (31) 31.0
 
March 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 8.4 μg/m3 (36) 36.0
 
March 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) 8.6 μg/m3 (36) 36.0
 
March 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.6 μg/m3 (21) 9.5 μg/m3 (40) 40.0
 
March 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 8.6 μg/m3 (36) 36.0
 
March 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 6.3 μg/m3 (27) 27.0
 
March 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.7 μg/m3 (21) 6.0 μg/m3 (25) 25.0
 
March 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) 4.7 μg/m3 (20) 20.0
 
March 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.0 μg/m3 (22) 4.7 μg/m3 (20) 22.0
 
March 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.8 μg/m3 (16) 4.4 μg/m3 (19) 19.0
 
March 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 4.7 μg/m3 (20) 20.0
 
March 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.5 μg/m3 (22) 4.7 μg/m3 (20) 22.0
 
March 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) 4.4 μg/m3 (19) 19.0
 
March 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 4.7 μg/m3 (20) 20.0
 
March 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 5.5 μg/m3 (23) 23.0
 
March 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (26) 7.6 μg/m3 (32) 32.0
 
March 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.5 μg/m3 (23) 7.5 μg/m3 (32) 32.0
 
March 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (22) 7.9 μg/m3 (33) 33.0
 
March 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (26) 10.3 μg/m3 (43) 43.0
 
March 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 12.1 μg/m3 (51) 51.0
 
March 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.1 μg/m3 (25) 9.8 μg/m3 (41) 41.0
 
March 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 7.6 μg/m3 (32) 32.0
 
March 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (21) 10.4 μg/m3 (44) 44.0
 
March 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (23) 10.8 μg/m3 (46) 46.0
 
March 22, 2021, 6 a.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 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 56.0 μg/m3 (52) 24.2 μg/m3 (77) 77.0
 
March 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 90.7 μg/m3 (69) 50.7 μg/m3 (139) 139.0
 
March 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 89.8 μg/m3 (69) 43.8 μg/m3 (122) 122.0
 
March 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 59.6 μg/m3 (54) 24.5 μg/m3 (78) 78.0
 
March 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 3.2 μg/m3 (14) 15.0
 
March 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 2.1 μg/m3 (9) 15.0
 
March 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 2.2 μg/m3 (10) 15.0
 
March 21, 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) 1.5 μg/m3 (7) 11.0
 
March 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 1.5 μg/m3 (7) 11.0
 
March 21, 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) 1.7 μg/m3 (8) 14.0
 
March 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 1.6 μg/m3 (7) 14.0
 
March 21, 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) 1.8 μg/m3 (8) 17.0
 
March 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 1.7 μg/m3 (8) 17.0
 
March 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 2.1 μg/m3 (9) 15.0
 
March 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 2.3 μg/m3 (10) 14.0
 
March 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) 2.3 μg/m3 (10) 16.0
 
March 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 1.2 μg/m3 (5) 7.0
 
March 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 0.9 μg/m3 (4) 6.0
 
March 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
March 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 3.4 μg/m3 (15) 15.0
 
March 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 4.3 μg/m3 (18) 18.0
 
March 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 3.8 μg/m3 (16) 16.0
 
March 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) 1.9 μg/m3 (8) 8.0
 
March 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.0 μg/m3 (11) 2.3 μg/m3 (10) 11.0
 
March 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.2 μg/m3 (32) 17.9 μg/m3 (64) 64.0
 
March 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 52.8 μg/m3 (49) 22.4 μg/m3 (73) 73.0
 
March 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 67.3 μg/m3 (58) 32.1 μg/m3 (94) 94.0
 
March 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 46.0 μg/m3 (43) 19.1 μg/m3 (66) 66.0
 
March 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.6 μg/m3 (33) 16.0 μg/m3 (60) 60.0
 
March 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 7.8 μg/m3 (33) 33.0
 
March 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.1 μg/m3 (17) 5.4 μg/m3 (23) 23.0
 
March 20, 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) 4.4 μg/m3 (19) 19.0
 
March 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 4.3 μg/m3 (18) 18.0
 
March 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) 4.7 μg/m3 (20) 20.0
 
March 20, 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) 5.9 μg/m3 (25) 25.0
 
March 20, 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) 6.1 μg/m3 (26) 26.0
 
March 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) 5.8 μg/m3 (25) 25.0
 
March 20, 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) 7.8 μg/m3 (33) 33.0
 
March 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.4 μg/m3 (19) 7.7 μg/m3 (33) 33.0
 
March 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 4.7 μg/m3 (20) 20.0
 
March 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.3 μg/m3 (14) 14.0
 
March 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 1.6 μg/m3 (7) 7.0
 
March 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (3) 1.5 μg/m3 (7) 7.0
 
March 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (3) 1.1 μg/m3 (5) 5.0
 
March 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 2.2 μg/m3 (10) 10.0
 
March 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
March 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 3.8 μg/m3 (16) 16.0
 
March 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (7) 3.9 μg/m3 (17) 17.0
 
March 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
March 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 6.3 μg/m3 (27) 27.0
 
March 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 10.2 μg/m3 (43) 43.0
 
March 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
March 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 6.4 μg/m3 (27) 27.0
 
March 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 4.8 μg/m3 (20) 20.0
 
March 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 3.7 μg/m3 (16) 16.0
 
March 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 3.5 μg/m3 (15) 15.0
 
March 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 2.3 μg/m3 (10) 10.0
 
March 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.2 μg/m3 (3) 1.7 μg/m3 (8) 8.0
 
March 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (4) 2.1 μg/m3 (9) 9.0
 
March 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
March 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 1.8 μg/m3 (8) 8.0
 
March 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (6) 3.1 μg/m3 (13) 13.0
 
March 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) 3.7 μg/m3 (16) 16.0
 
March 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 2.7 μg/m3 (12) 12.0
 
March 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 2.6 μg/m3 (11) 11.0
 
March 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (4) 1.8 μg/m3 (8) 8.0