ID: 5

AQSQID: 000030701

Site Name: Aylesford Mountain

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

Updated: March 1, 2021, 6:33 p.m.

Location: Melvern Square (Ben Phinney Rd), CC

Reporting: True, Located: True

Current AQI: 41.0

Melvern Square (Ben Phinney Rd) CC, CA: 45.0061, -65.0

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
March 1, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
March 1, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
March 1, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
March 1, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
March 1, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
March 1, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 5.0 μg/m3 (21) 40.0
 
March 1, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
March 1, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
March 1, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
March 1, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
March 1, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
March 1, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
March 1, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 1, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 1, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
March 1, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
March 1, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
March 1, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
Feb. 28, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 6.0 μg/m3 (25) 39.0
 
Feb. 28, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
Feb. 28, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Feb. 28, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 5.0 μg/m3 (21) 43.0
 
Feb. 28, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (21) 21.0
 
Feb. 28, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Feb. 28, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
Feb. 28, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Feb. 28, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 5.0 μg/m3 (21) 42.0
 
Feb. 28, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
Feb. 28, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
Feb. 28, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 4.0 μg/m3 (17) 42.0
 
Feb. 28, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 28, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 28, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 28, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 28, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 28, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 4.0 μg/m3 (17) 43.0
 
Feb. 28, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 0.0 μg/m3 (0) 42.0
 
Feb. 28, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 46.0 ppb (43) N/A N/A 1.0 μg/m3 (5) 43.0
 
Feb. 28, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
Feb. 28, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 1.0 μg/m3 (5) 41.0
 
Feb. 28, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 1.0 μg/m3 (5) 39.0
 
Feb. 27, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 2.0 μg/m3 (9) 39.0
 
Feb. 27, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
Feb. 27, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 27, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Feb. 27, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Feb. 27, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Feb. 27, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Feb. 27, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 3.0 μg/m3 (13) 42.0
 
Feb. 27, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Feb. 27, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 27, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 27, 2021, noon N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 27, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 27, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 27, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 27, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 27, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Feb. 27, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
Feb. 27, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
Feb. 27, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 3.0 μg/m3 (13) 13.0
 
Feb. 27, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 27, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 27, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
Feb. 27, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
Feb. 26, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 26, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 26, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 26, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 26, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 26, 2021, noon N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 26, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 26, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 26, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 26, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 26, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 26, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 26, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 26, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 26, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 25, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 2.0 μg/m3 (9) 41.0
 
Feb. 25, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 25, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 25, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 25, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Feb. 25, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 25, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 25, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 3.0 μg/m3 (13) 37.0
 
Feb. 25, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 34.0 ppb (32) N/A N/A 3.0 μg/m3 (13) 32.0
 
Feb. 25, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Feb. 25, 2021, noon N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 9.0 μg/m3 (38) 42.0
 
Feb. 25, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 6.0 μg/m3 (25) 42.0
 
Feb. 25, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 25, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 25, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 25, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 4.0 μg/m3 (17) 37.0
 
Feb. 25, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Feb. 25, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Feb. 25, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 5.0 μg/m3 (21) 35.0
 
Feb. 25, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Feb. 25, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 6.0 μg/m3 (25) 37.0
 
Feb. 25, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 7.0 μg/m3 (30) 37.0
 
Feb. 25, 2021, midnight N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 7.0 μg/m3 (30) 38.0
 
Feb. 24, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.0 μg/m3 (30) 36.0
 
Feb. 24, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Feb. 24, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 5.0 μg/m3 (21) 36.0
 
Feb. 24, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 5.0 μg/m3 (21) 37.0
 
Feb. 24, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 6.0 μg/m3 (25) 38.0
 
Feb. 24, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 6.0 μg/m3 (25) 40.0
 
Feb. 24, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 7.0 μg/m3 (30) 41.0
 
Feb. 24, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 7.0 μg/m3 (30) 40.0
 
Feb. 24, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 8.0 μg/m3 (34) 40.0
 
Feb. 24, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 8.0 μg/m3 (34) 38.0
 
Feb. 24, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 7.0 μg/m3 (30) 36.0
 
Feb. 24, 2021, noon N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 6.0 μg/m3 (25) 35.0
 
Feb. 24, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
Feb. 24, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Feb. 24, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
Feb. 24, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Feb. 24, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Feb. 24, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 37.0 ppb (35) N/A N/A 2.0 μg/m3 (9) 35.0
 
Feb. 24, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 2.0 μg/m3 (9) 36.0
 
Feb. 24, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 4.0 μg/m3 (17) 38.0
 
Feb. 24, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 5.0 μg/m3 (21) 39.0
 
Feb. 24, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 5.0 μg/m3 (21) 41.0
 
Feb. 24, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 24, 2021, midnight N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 23, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 23, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 3.0 μg/m3 (13) 39.0
 
Feb. 23, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 3.0 μg/m3 (13) 38.0
 
Feb. 23, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Feb. 23, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Feb. 23, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Feb. 23, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 40.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Feb. 23, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Feb. 23, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A 38.0 ppb (36) N/A N/A 3.0 μg/m3 (13) 36.0
 
Feb. 23, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A 39.0 ppb (37) N/A N/A 2.0 μg/m3 (9) 37.0
 
Feb. 23, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 2.0 μg/m3 (9) 38.0
 
Feb. 23, 2021, noon N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
Feb. 23, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 23, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A 45.0 ppb (42) N/A N/A 2.0 μg/m3 (9) 42.0
 
Feb. 23, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 0.0 μg/m3 (0) 41.0
 
Feb. 23, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 0.0 μg/m3 (0) 40.0
 
Feb. 23, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 0.0 μg/m3 (0) 39.0
 
Feb. 23, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 1.0 μg/m3 (5) 40.0
 
Feb. 23, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 2.0 μg/m3 (9) 40.0
 
Feb. 23, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 23, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 23, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 23, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 23, 2021, midnight N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
Feb. 22, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A 41.0 ppb (38) N/A N/A 5.0 μg/m3 (21) 38.0
 
Feb. 22, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A 42.0 ppb (39) N/A N/A 4.0 μg/m3 (17) 39.0
 
Feb. 22, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 4.0 μg/m3 (17) 40.0
 
Feb. 22, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A 43.0 ppb (40) N/A N/A 3.0 μg/m3 (13) 40.0
 
Feb. 22, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0
 
Feb. 22, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 3.0 μg/m3 (13) 41.0
 
Feb. 22, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A 44.0 ppb (41) N/A N/A 4.0 μg/m3 (17) 41.0