ID: 2244

AQSQID: 060270026

Site Name: Bill Stanley

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

Updated: April 13, 2021, 2:43 a.m.

Location: Death Valley (92328), CA

Reporting: True, Located: True

Current AQI: 22.0

Death Valley (92328) CA, US: 36.3619, -118.0108

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 30, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) N/A 7.0
 
March 30, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) N/A 7.0
 
March 29, 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
 
March 29, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) N/A 6.0
 
March 29, 2021, 9 p.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
 
March 29, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.9 μg/m3 (4) N/A 4.0
 
March 29, 2021, 7 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
 
March 29, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.8 μg/m3 (5) N/A 5.0
 
March 29, 2021, 5 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
 
March 29, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) N/A 11.0
 
March 29, 2021, 3 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
 
March 29, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 41.7 μg/m3 (39) N/A 39.0
 
March 29, 2021, 1 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
 
March 29, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) N/A 7.0
 
March 29, 2021, 11 a.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
 
March 29, 2021, 10 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
 
March 29, 2021, 9 a.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
 
March 29, 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
 
March 29, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.1 μg/m3 (10) N/A 10.0
 
March 29, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) N/A 11.0
 
March 29, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) N/A 9.0
 
March 29, 2021, 4 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
 
March 29, 2021, 3 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
 
March 29, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (12) N/A 12.0
 
March 29, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.5 μg/m3 (10) N/A 10.0
 
March 29, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) N/A 15.0
 
March 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) N/A 8.0
 
March 28, 2021, 10 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
 
March 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) N/A 8.0
 
March 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) N/A 7.0
 
March 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.3 μg/m3 (4) N/A 4.0
 
March 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) N/A 7.0
 
March 28, 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
 
March 28, 2021, 4 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
 
March 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) N/A 7.0
 
March 28, 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
 
March 28, 2021, 1 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
 
March 28, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) N/A 7.0
 
March 28, 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
 
March 28, 2021, 10 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
 
March 28, 2021, 9 a.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
 
March 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) N/A 6.0
 
March 28, 2021, 7 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
 
March 28, 2021, 6 a.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
 
March 28, 2021, 5 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
 
March 28, 2021, 4 a.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
 
March 28, 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
 
March 28, 2021, 2 a.m. 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
 
March 28, 2021, 1 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
 
March 28, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 6.2 μg/m3 (6) N/A 6.0
 
March 27, 2021, 11 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
 
March 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) N/A 9.0
 
March 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) N/A 7.0
 
March 27, 2021, 8 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
 
March 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) N/A 7.0
 
March 27, 2021, 6 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
 
March 27, 2021, 5 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
 
March 27, 2021, 4 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
 
March 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.3 μg/m3 (5) N/A 5.0
 
March 27, 2021, 2 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
 
March 27, 2021, 1 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
 
March 27, 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
 
March 27, 2021, 11 a.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
 
March 27, 2021, 10 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
 
March 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) N/A 7.0
 
March 27, 2021, 8 a.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
 
March 27, 2021, 7 a.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
 
March 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) N/A 7.0
 
March 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) N/A 7.0
 
March 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) N/A 8.0
 
March 27, 2021, 3 a.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
 
March 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.7 μg/m3 (15) N/A 15.0
 
March 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.2 μg/m3 (15) N/A 15.0
 
March 27, 2021, midnight 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
 
March 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) N/A 8.0
 
March 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.9 μg/m3 (8) N/A 8.0
 
March 26, 2021, 9 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
 
March 26, 2021, 8 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
 
March 26, 2021, 7 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
 
March 26, 2021, 6 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
 
March 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) N/A 7.0
 
March 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) N/A 8.0
 
March 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.5 μg/m3 (7) N/A 7.0
 
March 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) N/A 9.0
 
March 26, 2021, 1 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
 
March 26, 2021, noon 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
 
March 26, 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) N/A 5.0
 
March 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.5 μg/m3 (6) N/A 6.0
 
March 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.6 μg/m3 (8) N/A 8.0
 
March 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) N/A 12.0
 
March 26, 2021, 7 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
 
March 26, 2021, 6 a.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
 
March 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) N/A 13.0
 
March 26, 2021, 4 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
 
March 26, 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
 
March 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.3 μg/m3 (24) N/A 24.0
 
March 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) N/A 23.0
 
March 26, 2021, midnight 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
 
March 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) N/A 11.0
 
March 25, 2021, 10 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
 
March 25, 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) N/A 9.0
 
March 25, 2021, 8 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
 
March 25, 2021, 7 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
 
March 25, 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
 
March 25, 2021, 5 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
 
March 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) N/A 12.0
 
March 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.7 μg/m3 (16) N/A 16.0
 
March 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) N/A 14.0
 
March 25, 2021, 1 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
 
March 25, 2021, noon 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
 
March 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) N/A 8.0
 
March 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) N/A 7.0
 
March 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.4 μg/m3 (7) N/A 7.0
 
March 25, 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
 
March 25, 2021, 7 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
 
March 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.1 μg/m3 (9) N/A 9.0
 
March 25, 2021, 5 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
 
March 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.3 μg/m3 (11) N/A 11.0
 
March 25, 2021, 3 a.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
 
March 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.6 μg/m3 (5) N/A 5.0
 
March 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.9 μg/m3 (12) N/A 12.0
 
March 25, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (4) N/A 4.0
 
March 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 3.7 μg/m3 (4) N/A 4.0
 
March 24, 2021, 10 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
 
March 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) N/A 5.0
 
March 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) N/A 6.0
 
March 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.9 μg/m3 (9) N/A 9.0
 
March 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (5) N/A 5.0
 
March 24, 2021, 5 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
 
March 24, 2021, 4 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
 
March 24, 2021, 3 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
 
March 24, 2021, 2 p.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
 
March 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.8 μg/m3 (8) N/A 8.0
 
March 24, 2021, noon 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
 
March 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.2 μg/m3 (24) N/A 24.0
 
March 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (31) N/A 31.0
 
March 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.1 μg/m3 (48) N/A 48.0
 
March 24, 2021, 8 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
 
March 24, 2021, 7 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
 
March 24, 2021, 6 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
 
March 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) N/A 10.0
 
March 24, 2021, 4 a.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
 
March 24, 2021, 3 a.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
 
March 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.4 μg/m3 (14) N/A 14.0
 
March 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (19) N/A 19.0
 
March 24, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 55.2 μg/m3 (52) N/A 52.0
 
March 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 69.3 μg/m3 (59) N/A 59.0
 
March 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 47.9 μg/m3 (45) N/A 45.0
 
March 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 55.4 μg/m3 (52) N/A 52.0
 
March 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (30) N/A 30.0
 
March 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.1 μg/m3 (27) N/A 27.0
 
March 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 31.4 μg/m3 (30) N/A 30.0
 
March 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.5 μg/m3 (27) N/A 27.0
 
March 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) N/A 23.0
 
March 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 34.2 μg/m3 (32) N/A 32.0
 
March 23, 2021, 2 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
 
March 23, 2021, 1 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
 
March 23, 2021, noon 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
 
March 23, 2021, 11 a.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
 
March 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) N/A 9.0
 
March 23, 2021, 9 a.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
 
March 23, 2021, 8 a.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
 
March 23, 2021, 7 a.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
 
March 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) N/A 10.0
 
March 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) N/A 10.0
 
March 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) N/A 7.0
 
March 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) N/A 9.0
 
March 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.8 μg/m3 (7) N/A 7.0