ID: 2973

AQSQID: 060510005

Site Name: Lee Vining

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

Updated: Feb. 26, 2021, 8:31 a.m.

Location: Lee Vining (Mattly Ave), CA

Reporting: True, Located: True

Current AQI: 19.0

Lee Vining (Mattly Ave) CA, US: 37.962069, -119.120278

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.1 μg/m3 (19) 4.5 μg/m3 (19) 19.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 3.6 μg/m3 (16) 16.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 5.3 μg/m3 (23) 23.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 4.9 μg/m3 (21) 21.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.1 μg/m3 (18) 18.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.6 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.9 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.5 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.7 μg/m3 (24) 3.6 μg/m3 (16) 24.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 3.4 μg/m3 (15) 23.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.0 μg/m3 (27) 3.9 μg/m3 (17) 27.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (31) 4.4 μg/m3 (19) 31.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.8 μg/m3 (32) 4.5 μg/m3 (19) 32.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.2 μg/m3 (32) 4.5 μg/m3 (19) 32.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (32) 4.5 μg/m3 (19) 32.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.0 μg/m3 (29) 4.4 μg/m3 (19) 29.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.0 μg/m3 (32) 4.4 μg/m3 (19) 32.0
 
Feb. 25, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.6 μg/m3 (31) 4.5 μg/m3 (19) 31.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 41.4 μg/m3 (39) 5.0 μg/m3 (21) 39.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.3 μg/m3 (36) 4.7 μg/m3 (20) 36.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.7 μg/m3 (35) 4.4 μg/m3 (19) 35.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.7 μg/m3 (37) 5.0 μg/m3 (21) 37.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.2 μg/m3 (41) 4.8 μg/m3 (20) 41.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.6 μg/m3 (35) 6.6 μg/m3 (28) 35.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 3.3 μg/m3 (14) 15.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 1.9 μg/m3 (8) 13.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 1.2 μg/m3 (5) 11.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 2.0 μg/m3 (9) 19.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 2.1 μg/m3 (9) 16.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 2.7 μg/m3 (12) 14.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 17.4 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 2.8 μg/m3 (12) 14.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 2.6 μg/m3 (11) 11.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 2.5 μg/m3 (11) 11.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 2.8 μg/m3 (12) 12.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 3.2 μg/m3 (14) 14.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 3.5 μg/m3 (15) 15.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 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) 3.1 μg/m3 (13) 13.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 4.7 μg/m3 (20) 20.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) 2.9 μg/m3 (13) 13.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (10) 4.8 μg/m3 (20) 20.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) 2.9 μg/m3 (13) 13.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 8.3 μg/m3 (35) 35.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 4.6 μg/m3 (20) 20.0
 
Feb. 24, 2021, 3 a.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
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.0 μg/m3 (6) 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (6) 1.9 μg/m3 (8) 8.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (4) 1.4 μg/m3 (6) 6.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) 1.6 μg/m3 (7) 7.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 1.6 μg/m3 (7) 7.0
 
Feb. 23, 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) 1.1 μg/m3 (5) 5.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) 3.4 μg/m3 (15) 15.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 1.8 μg/m3 (8) 8.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 4.3 μg/m3 (18) 18.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) 1.6 μg/m3 (7) 7.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (4) 1.5 μg/m3 (7) 7.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) 2.5 μg/m3 (11) 11.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) 5.8 μg/m3 (25) 25.0
 
Feb. 23, 2021, 3 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
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.2 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) 2.4 μg/m3 (10) 12.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 0.6 μg/m3 (3) 4.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.3 μg/m3 (2) 2.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.1 μg/m3 (3) 0.7 μg/m3 (3) 3.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (2) 0.8 μg/m3 (4) 4.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 1.4 μg/m3 (6) 6.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (6) 1.7 μg/m3 (8) 8.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.5 μg/m3 (7) 7.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 2.4 μg/m3 (10) 10.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) 1.2 μg/m3 (5) 5.0
 
Feb. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.7 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 1.5 μg/m3 (7) 7.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) 1.1 μg/m3 (5) 5.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 1.3 μg/m3 (6) 6.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.3 μg/m3 (6) 6.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.8 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 4.7 μg/m3 (20) 20.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 1.2 μg/m3 (5) 5.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 1.3 μg/m3 (6) 6.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) 1.7 μg/m3 (8) 8.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) 2.1 μg/m3 (9) 9.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 1.7 μg/m3 (8) 8.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 0.9 μg/m3 (4) 4.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.4 μg/m3 (2) 0.8 μg/m3 (4) 4.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (2) 1.0 μg/m3 (5) 5.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.1 μg/m3 (5) 5.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 1.3 μg/m3 (6) 6.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.1 μg/m3 (2) 1.4 μg/m3 (6) 6.0
 
Feb. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (3) 1.4 μg/m3 (6) 6.0
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (3) 1.4 μg/m3 (6) 6.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.4 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Feb. 21, 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) 1.5 μg/m3 (7) 7.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) 1.5 μg/m3 (7) 8.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.8 μg/m3 (4) 4.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 2.8 μg/m3 (12) 12.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (3) 0.7 μg/m3 (3) 3.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.3 μg/m3 (4) 1.4 μg/m3 (6) 6.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.6 μg/m3 (4) 1.3 μg/m3 (6) 6.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 5.6 μg/m3 (24) 24.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) 1.5 μg/m3 (7) 7.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) 2.6 μg/m3 (11) 11.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 2.8 μg/m3 (12) 12.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.6 μg/m3 (3) 0.7 μg/m3 (3) 3.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (3) 1.2 μg/m3 (5) 5.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 2.3 μg/m3 (3) 0.3 μg/m3 (2) 3.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (1) 0.2 μg/m3 (1) 1.0
 
Feb. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.7 μg/m3 (1) 0.2 μg/m3 (1) 1.0
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.2 μg/m3 (1) 2.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.2 μg/m3 (2) 0.2 μg/m3 (1) 2.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 0.3 μg/m3 (2) 3.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (2) 0.2 μg/m3 (1) 2.0
 
Feb. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.8 μg/m3 (2) 0.2 μg/m3 (1) 2.0
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.5 μg/m3 (2) 0.3 μg/m3 (2) 2.0
 
Feb. 20, 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) 0.5 μg/m3 (3) 7.0
 
Feb. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 1.1 μg/m3 (5) 20.0
 
Feb. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) 1.9 μg/m3 (8) 9.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 2.1 μg/m3 (9) 9.0
 
Feb. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 2.1 μg/m3 (9) 9.0
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 1.8 μg/m3 (8) 9.0
 
Feb. 20, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.9 μg/m3 (3) 1.1 μg/m3 (5) 5.0
 
Feb. 20, 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) 1.1 μg/m3 (5) 5.0
 
Feb. 20, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.4 μg/m3 (4) 0.9 μg/m3 (4) 4.0
 
Feb. 20, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.5 μg/m3 (4) 1.5 μg/m3 (7) 7.0
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) 2.4 μg/m3 (10) 10.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 2.6 μg/m3 (11) 11.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) 2.5 μg/m3 (11) 11.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.8 μg/m3 (8) 8.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) 1.4 μg/m3 (6) 6.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.8 μg/m3 (3) 0.8 μg/m3 (4) 4.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.6 μg/m3 (2) 0.5 μg/m3 (3) 3.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.9 μg/m3 (2) 0.4 μg/m3 (2) 2.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.4 μg/m3 (3) 0.4 μg/m3 (2) 3.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 1.7 μg/m3 (2) 0.6 μg/m3 (3) 3.0
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (2) 0.8 μg/m3 (4) 4.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 2.2 μg/m3 (3) 0.9 μg/m3 (4) 4.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.0 μg/m3 (4) 1.3 μg/m3 (6) 6.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (12) 3.1 μg/m3 (13) 13.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.1 μg/m3 (6) 1.4 μg/m3 (6) 6.0
 
Feb. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) 1.4 μg/m3 (6) 6.0
 
Feb. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (4) 1.6 μg/m3 (7) 7.0
 
Feb. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) 1.6 μg/m3 (7) 7.0
 
Feb. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.2 μg/m3 (5) 1.9 μg/m3 (8) 8.0
 
Feb. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 3.7 μg/m3 (16) 16.0
 
Feb. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.1 μg/m3 (5) 1.5 μg/m3 (7) 7.0