ID: 1676

AQSQID: 040131030

Site Name: Ft Mcd Yuma Frank-Az

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

Updated: March 3, 2021, 11:32 p.m.

Location: Fort Mcdowell (Yuma Frank Rd), AZ

Reporting: True, Located: True

Current AQI: 106.0

Fort Mcdowell (Yuma Frank Rd) AZ, US: 33.6292, -111.676903

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 0.2 μg/m3 (1) N/A 1.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A -0.6 μg/m3 (0) N/A 0.0
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.9 μg/m3 (43) N/A 43.0
 
Feb. 24, 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) N/A 10.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) N/A 15.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (28) N/A 28.0
 
Feb. 24, 2021, 3 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
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) N/A 19.0
 
Feb. 24, 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) N/A 16.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) N/A 21.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) N/A 16.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) N/A 20.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) N/A 20.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.9 μg/m3 (25) N/A 25.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.9 μg/m3 (33) N/A 33.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.7 μg/m3 (32) N/A 32.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (22) N/A 22.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (37) N/A 37.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.8 μg/m3 (28) N/A 28.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.1 μg/m3 (29) N/A 29.0
 
Feb. 24, 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) N/A 15.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) N/A 15.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) N/A 13.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) N/A 17.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) N/A 12.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.0 μg/m3 (8) N/A 8.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.4 μg/m3 (10) N/A 10.0
 
Feb. 23, 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) N/A 20.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.2 μg/m3 (15) N/A 15.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.4 μg/m3 (12) N/A 12.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) N/A 12.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) N/A 10.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (11) N/A 11.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.1 μg/m3 (14) N/A 14.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) N/A 14.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.7 μg/m3 (26) N/A 26.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) N/A 20.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.2 μg/m3 (25) N/A 25.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.1 μg/m3 (36) N/A 36.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.1 μg/m3 (34) N/A 34.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.9 μg/m3 (21) N/A 21.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.8 μg/m3 (40) N/A 40.0
 
Feb. 23, 2021, 1 a.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
 
Feb. 23, 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
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) N/A 8.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) N/A 8.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) N/A 13.0
 
Feb. 22, 2021, 8 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
 
Feb. 22, 2021, 7 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
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) N/A 8.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) N/A 12.0
 
Feb. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) N/A 16.0
 
Feb. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) N/A 7.0
 
Feb. 22, 2021, 1 p.m. 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
 
Feb. 22, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) N/A 11.0
 
Feb. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) N/A 9.0
 
Feb. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) N/A 23.0
 
Feb. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) N/A 23.0
 
Feb. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (21) N/A 21.0
 
Feb. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.2 μg/m3 (20) N/A 20.0
 
Feb. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.0 μg/m3 (36) N/A 36.0
 
Feb. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 42.9 μg/m3 (40) N/A 40.0
 
Feb. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 75.1 μg/m3 (61) N/A 61.0
 
Feb. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.8 μg/m3 (24) N/A 24.0
 
Feb. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) N/A 26.0
 
Feb. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) N/A 9.0
 
Feb. 22, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.8 μg/m3 (15) N/A 15.0
 
Feb. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) N/A 14.0
 
Feb. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) N/A 17.0
 
Feb. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) N/A 8.0
 
Feb. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) N/A 17.0
 
Feb. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.8 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.9 μg/m3 (6) N/A 6.0
 
Feb. 21, 2021, 5 p.m. 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
 
Feb. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) N/A 13.0
 
Feb. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) N/A 11.0
 
Feb. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.9 μg/m3 (11) N/A 11.0
 
Feb. 21, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) N/A 9.0
 
Feb. 21, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) N/A 20.0
 
Feb. 21, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (24) N/A 24.0
 
Feb. 21, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) N/A 17.0
 
Feb. 21, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.3 μg/m3 (22) N/A 22.0
 
Feb. 21, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) N/A 21.0
 
Feb. 21, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 39.5 μg/m3 (37) N/A 37.0
 
Feb. 21, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 44.6 μg/m3 (42) N/A 42.0
 
Feb. 21, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 77.5 μg/m3 (63) N/A 63.0
 
Feb. 21, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 76.9 μg/m3 (62) N/A 62.0
 
Feb. 21, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 103.8 μg/m3 (76) N/A 76.0
 
Feb. 21, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 38.5 μg/m3 (36) N/A 36.0
 
Feb. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.3 μg/m3 (42) N/A 42.0
 
Feb. 20, 2021, 10 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
 
Feb. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) N/A 22.0
 
Feb. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (19) N/A 19.0
 
Feb. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) N/A 10.0
 
Feb. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) N/A 11.0
 
Feb. 20, 2021, 5 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
 
Feb. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) N/A 21.0
 
Feb. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) N/A 19.0
 
Feb. 20, 2021, 2 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
 
Feb. 20, 2021, 1 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
 
Feb. 20, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) N/A 15.0
 
Feb. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.7 μg/m3 (22) N/A 22.0
 
Feb. 20, 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
 
Feb. 20, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.5 μg/m3 (29) N/A 29.0
 
Feb. 20, 2021, 8 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
 
Feb. 20, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.9 μg/m3 (22) N/A 22.0
 
Feb. 20, 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) N/A 26.0
 
Feb. 20, 2021, 5 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
 
Feb. 20, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.3 μg/m3 (42) N/A 42.0
 
Feb. 20, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.6 μg/m3 (36) N/A 36.0
 
Feb. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (26) N/A 26.0
 
Feb. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) N/A 19.0
 
Feb. 20, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) N/A 8.0
 
Feb. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.6 μg/m3 (6) N/A 6.0
 
Feb. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (10) N/A 10.0
 
Feb. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.3 μg/m3 (6) N/A 6.0
 
Feb. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) N/A 7.0
 
Feb. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.2 μg/m3 (7) N/A 7.0
 
Feb. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.5 μg/m3 (8) N/A 8.0
 
Feb. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.6 μg/m3 (9) N/A 9.0
 
Feb. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) N/A 19.0
 
Feb. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) N/A 16.0
 
Feb. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) N/A 9.0
 
Feb. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.5 μg/m3 (9) N/A 9.0
 
Feb. 19, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) N/A 11.0
 
Feb. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.1 μg/m3 (11) N/A 11.0
 
Feb. 19, 2021, 10 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
 
Feb. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.2 μg/m3 (17) N/A 17.0
 
Feb. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) N/A 26.0
 
Feb. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) N/A 27.0
 
Feb. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (23) N/A 23.0
 
Feb. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (24) N/A 24.0
 
Feb. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.8 μg/m3 (20) N/A 20.0
 
Feb. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 38.3 μg/m3 (36) N/A 36.0
 
Feb. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.9 μg/m3 (24) N/A 24.0
 
Feb. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.3 μg/m3 (9) N/A 9.0
 
Feb. 19, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) N/A 6.0
 
Feb. 18, 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) N/A 7.0
 
Feb. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) N/A 6.0
 
Feb. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.7 μg/m3 (5) N/A 5.0
 
Feb. 18, 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
 
Feb. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.5 μg/m3 (14) N/A 14.0
 
Feb. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.6 μg/m3 (7) N/A 7.0
 
Feb. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.3 μg/m3 (16) N/A 16.0
 
Feb. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) N/A 19.0
 
Feb. 18, 2021, 3 p.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
 
Feb. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.3 μg/m3 (8) N/A 8.0
 
Feb. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.7 μg/m3 (8) N/A 8.0
 
Feb. 18, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) N/A 8.0
 
Feb. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.5 μg/m3 (7) N/A 7.0
 
Feb. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.9 μg/m3 (7) N/A 7.0
 
Feb. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) N/A 7.0
 
Feb. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) N/A 9.0
 
Feb. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) N/A 13.0
 
Feb. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) N/A 13.0
 
Feb. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.3 μg/m3 (12) N/A 12.0
 
Feb. 18, 2021, 4 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
 
Feb. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) N/A 10.0
 
Feb. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.6 μg/m3 (8) N/A 8.0
 
Feb. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) N/A 13.0
 
Feb. 18, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 120.5 μg/m3 (84) N/A 84.0
 
Feb. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.2 μg/m3 (10) N/A 10.0
 
Feb. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.6 μg/m3 (13) N/A 13.0