ID: 9745

AQSQID: 124000102210

Site Name: Trail Columbia Gardens Airport

Added: July 24, 2021, 5:40 a.m.

Updated: Sept. 25, 2021, 8 a.m.

Location: Kootenay Boundary A (Hwy 22a), N/A

Reporting: True, Located: True

Current AQI: 3.0

Kootenay Boundary A (Hwy 22a) N/A, CA: 49.046405, -117.60711

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Sept. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 25, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Sept. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A N/A 10.0
 
Sept. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A N/A N/A 18.0
 
Sept. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A N/A 12.0
 
Sept. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A N/A N/A 23.0
 
Sept. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A 12.0 ppb (18) N/A N/A N/A N/A 18.0
 
Sept. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 24, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A N/A 10.0
 
Sept. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A 19.0 ppb (28) N/A N/A N/A N/A 28.0
 
Sept. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A N/A 12.0
 
Sept. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A N/A 10.0
 
Sept. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A 18.0 ppb (26) N/A N/A N/A N/A 26.0
 
Sept. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A 20.0 ppb (29) N/A N/A N/A N/A 29.0
 
Sept. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A 27.0 ppb (39) N/A N/A N/A N/A 39.0
 
Sept. 23, 2021, midnight N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A N/A 9.0
 
Sept. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A 8.0 ppb (12) N/A N/A N/A N/A 12.0
 
Sept. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A 24.0 ppb (35) N/A N/A N/A N/A 35.0
 
Sept. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A 21.0 ppb (30) N/A N/A N/A N/A 30.0
 
Sept. 22, 2021, 4 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A N/A 8.0
 
Sept. 22, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 7 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 5 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 22, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 22, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 21, 2021, 5 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 21, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 21, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 21, 2021, 2 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 21, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 21, 2021, midnight N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 10 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 9 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 8 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 20, 2021, 5 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 4 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 20, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 20, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 20, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 10 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 20, 2021, 2 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 20, 2021, 1 a.m. N/A N/A N/A N/A N/A 11.0 ppb (16) N/A N/A N/A N/A 16.0
 
Sept. 20, 2021, midnight N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A N/A 13.0
 
Sept. 19, 2021, 11 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 19, 2021, 10 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 19, 2021, 9 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Sept. 19, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 7 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 6 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 19, 2021, 4 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 3 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 2 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 11 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 9 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 8 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 19, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, 1 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 19, 2021, midnight N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 11 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 10 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 9 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 8 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 7 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 6 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 5 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 4 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 3 p.m. N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A N/A 8.0
 
Sept. 18, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 1 p.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Sept. 18, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 10 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 9 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Sept. 18, 2021, 8 a.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 18, 2021, 7 a.m. N/A N/A N/A N/A N/A 3.0 ppb (5) N/A N/A N/A N/A 5.0
 
Sept. 18, 2021, 6 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, 5 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 4 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 3 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 2 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 18, 2021, 1 a.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 18, 2021, midnight N/A N/A N/A N/A N/A 5.0 ppb (8) N/A N/A N/A N/A 8.0
 
Sept. 17, 2021, 11 p.m. N/A N/A N/A N/A N/A 6.0 ppb (9) N/A N/A N/A N/A 9.0
 
Sept. 17, 2021, 10 p.m. N/A N/A N/A N/A N/A 7.0 ppb (10) N/A N/A N/A N/A 10.0
 
Sept. 17, 2021, 9 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 17, 2021, 8 p.m. N/A N/A N/A N/A N/A 9.0 ppb (13) N/A N/A N/A N/A 13.0
 
Sept. 17, 2021, 7 p.m. N/A N/A N/A N/A N/A 16.0 ppb (23) N/A N/A N/A N/A 23.0
 
Sept. 17, 2021, 6 p.m. N/A N/A N/A N/A N/A 26.0 ppb (38) N/A N/A N/A N/A 38.0
 
Sept. 17, 2021, 5 p.m. N/A N/A N/A N/A N/A 74.0 ppb (99) N/A N/A N/A N/A 99.0
 
Sept. 17, 2021, 4 p.m. N/A N/A N/A N/A N/A 4.0 ppb (6) N/A N/A N/A N/A 6.0
 
Sept. 17, 2021, 3 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 17, 2021, 2 p.m. N/A N/A N/A N/A N/A 2.0 ppb (3) N/A N/A N/A N/A 3.0
 
Sept. 17, 2021, 1 p.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 17, 2021, 11 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 17, 2021, 10 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 17, 2021, 9 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 17, 2021, 8 a.m. N/A N/A N/A N/A N/A 1.0 ppb (2) N/A N/A N/A N/A 2.0
 
Sept. 17, 2021, 7 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0
Sept. 17, 2021, 6 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) N/A N/A N/A N/A 0.0